Yeu cu an toan trong bo qun, s dng va vn chuyn LPGLiquefied petroleum gas cylinders Safely requiremants in storage, handling and transportation. 4. Quy nh chung: 4.1. Cac chai cha kh t hoa lng trc khi a vao s dng phi c c quan co thm quyn kim tra, cp git phep lu hanh theo quy nh hin hanh. 4.2. Nhng ngui lam vic tip xuc vi kh ot hoa lng ( lai xe, thu th, ngi ap ti, nhan vien bc xp, giao nhn), c hun luyn, sat hch va cp chng ch v chuyen mon, k thut an toan va phong chay cha chay lien quan ti kh ot hoa long. 5. Yeu cu an toan trong bo qun, xp d chai cha kh t lng 5.1. Yeu cu chung 5.1.1. Cac chai cha kh t hoa lng phi uc bo qun trong cac kho ngoai tri hoc trong nha theo thit ke c c quan thm quyn phe duyt. 5.1.2. Khong c tn cha chai kh t hoa lng trong cac toa nha, sieu th, rp chiu bong, cau lc b, khach sn, hi trng . 5.1.3. Cho phep bo qun chai rng ngoai tri. Khi bo qun chai rong trong nha phai thc hien cac yeu cau quy nh oi vi chai co kh ot hoa long tr khi: a) Chai hoan toan mi cha nap kh ot hoa long.

b) Chai a s dung nhng mi uc bao dung , sa chaphuc hoi. c) Chai mau dung e trng bay. 5.1.4 Ni bao quan chai cha kh ot hoa long phai am bao thong thoang, khong uc bao quan nhng ni thap hn mat bang xung quanh, trong ham cha, trong tang ngam.

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5.1.5. Moi ham ho, kenh ranh phai nam cach khu vc kho cha chai cha kh ot hoa long t nhat 2 m. Trng hp ngc lai, ham ho, cong ranh phai c ay kn. 5.1.6. Nen kho phai vng chac, bang phang, khong trn trt, ngang bang hoac cao hn mat bang xung quanh, lam bang vat lieu khong chay. 5.1.7. Khi bao quan chai cha kh ot hoa long phai am bao khoang cach an toan quy nh trong bang 1. Bang 1 Khoang cach an toan en cac cong trnh Khoang cach tnh bang metTong lng kh ot hoa long ton cha/ kg Khi khong co tng ngan chay Khi co tng ngan chay

T 15 en 400 Tren 400 en 1000 Tren 1000 en 4000 Tren 4000 en 6000 Tren 6000 en 12.000 Tren 12000 en 20000 Tren 20000 en 30000 Tren 30000 en 50000 Tren 50000 en 60000 Tren 60000 en 100000 Tren 100000 en 150000 Tren 150000 en 250000

1,0 3,0 4,0 5,0 6,0 7,0 8,0 9,0 10,0 11,0 12,0 15,0 20

0 1,0 1,0 1,5 2,0 2,5 3,0 3,5 4,0 4,5 5,0 6,0 7,0

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Tren 250000

5.1.8. Hang rao kho phai chac chan, co chieu cao nhat 1.8m va khong gay anh hng ti thong gio t nhien. 5.1.9 Kho phai co t nhat hai loi ra vao, ca m ra pha ngoai. 5.1.10. Trong khoang cach an toan khong c co co rac va vat lieu de chay. Phai thao bo bao goi ( boc ngoai vo chai hoac nem boc) khi khong can thiet. 5.1.11. Khong c hut thuoc va s dung cac nguon gay chay trong kho hoac trong khoang cach an toan. 5.1.12. Khong uc bao quan cac chat oxi hoa cung vi chai cha kh ot hoa long. 5.1.13. Phai treo bien bao cam la, cam hut thuoc, hng dan cha chay tai v tr de thay trc ca kho. 5.1.14. Xe co ong c ( tr xe nang va boc d hang) khong uc vao khu vc kho. Cac xe cua kho co the o trong khoang cach an toan, nhng phai cach kho t nhat 3 m. 5.1.15. Kho cha chai cha kh ot hoa long phai c trang b u phng tien va dung cu cha chay theo quy nh cua cac tieu chuan hien hanh. 5.1.16. Kho phai co nguon nc cha chay, oi vi cac kho cha t 25000 kg kh ot hoa long tr len nguon nc phai am bao cung cap 2300 lt nc/phut va lien tuc trong 60 phut 5.1.17. Thiet b ien chieu sang phai phu hp vi cac tieu chuan hien hanh co lien quan. Nguon ien cap cho cac thiet b ien trong kho phai c khong che bang thiet b ong ngat chung ( cau dao, aptomat) 5.1.18. Kho cha chai cha kh ot hoa long phai co he thong bao ve chong set. 5.2. Yeu cau oi vi kho ngoai tri. 5.2.1. Kho phai sach, thoang, tiep can de dang.

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5.2.2. oi vi cac kho cha t 1000 kg tr len phai co rao ngan cach e chia kho thanh tng lo nho. Rao phai co chieu cao t nhat 1.8 m 5.2.3. Kho cha chai rong phai cach :

a) Kho cha chai ay t nhat 3mb)Hang rao bao ve, nha hoac nguon gay chay co nh t nhat 1m c) Cac bnh cha oxi, vat lieu de chay, chat oc t nhat 2m 5.2.4.Neu kho s dung mai che va co tong lng kh ot hoa long ton cha toi a la 400kg th: a) Mai che phai: Lam bang ket cau chu la, tot nhat la vat lieu xong, nhe. Cao hn nh cua chong chai cao nhat cha ben trong t nhat 1m b) Cot chong phai chac chan, co gii han chu la t nhat 30 phut. c) Kho phai c trang b he thong phun nc cha chay co nh vi van toc phun 12,5 lt / m2/phut neu dien tch mai kho ln hn 10 m x 10 m 5.3. Yeu cau oi vi kho trong nha: 5.3.1. Kho phai la toa nha 01 tang. Tong lng kh ot hoa long cha khong uc qua 25000 kg. 5.3.2. Kho phai xay bang vat lieu co gii han chu la t nhat 60 phut. 5.3.3. Tam che va mai che trong kho c phep lam bang vat lieu thng nhng cot chong va tng ngan phai lam bang vat lieu co gii han chu la t nhat 30 phut. 5.3.4.Kho phai co lo thong hi bo tr tren tng va tren mai. Dien tch lo thong hi phai at t nhat 2,5% dien tch tng. 5.3.5. oi vi kho co tong lng kh ot hoa long ton cha nhieu nhat la 1000 kg cho phep bo tr trong tang 1 cua toa nha hai tang , khi o:

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a) Ca, tran va san kho phai bo tr tung ngoai cung. b) ca ra vao kho phai bo tr tung ngoai cung. a) Ca phai co chieu cao t nhat 2.5 m b) khong uc uc lo tren tung mat truc cua toa nha. Lo thong hi phai uc o tr tung ngoai va phai am bao yeu cau trong 5.3.6 c) Neu toa nha dung e , tung phan cach phai co gii han chu la t nhat 60 phut. d) phai trang b he thong bao chay t ong . 5.3.7. Cho phep bao quan chai cha kh ot hoa long trong buong nho vi ieu kien tong lng ton cha khong qua: a) 400 kg trong nha mot tang

b) 300 kg trong nha nhieu tang khong co ngi c) 70 kg trong nha co ngui . 53.8. Buong cha phai am bao thoang gio, co gii han chu la t nhat 30 phut. 5.3.9. Xung quanh ca ra vao buong cha cam e vat lieu de chay. Ca luon khoa khi khong s dung. 5.3.10. Buong cha phai co thiet b bao chay t ong. 5.4. Yeu cau oi vi kho tai ca hang kh ot hoa long. Kho cha chai cha kh ot hoa long tai cac ca hang kh ot hoa long phai tuan theo cac quy nh cua tieu chuan TCVN 6223:1996. 5.5. Yeu cau an toan trong xep d chai cha kh ot hoa long: Viec xep d cac chai cha kh ot hoa long trong kho phai am bao cac yeu cau dui ay: a) cac chai phai xep thang ng van pha tren, cam xep nguc va phai am bao khoang cach an toan theo quy nh trong bang 1. b) Van an toan phai xep quay ve mot pha. Van chai luon ong chac.

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c) Chieu rong nho nhat cua loi i gia cac chong chai khong xep tren palet la 1.5m d) Chieu cao ln nhat cua chong chai xep tren palet la 2.5m 5.6 Yeu cau an toan ve phong chay cha chay trong bao quan, xep d. 5.6.1. Khi chai cha kh ot hoa long bao quan trong kho b ro r phai: a) Loai tr nguon goc gay chay gan khu vc kho cha; b) Xac nh va anh dau cho ro r. Chuyen chai b ro r en cho thoang gio, xa cac nguon gay chay va cac chai cha kh ot hoa long khac; c) Thong bao tiep viec cam la va cam hut thuoc; d) Dung rao chan loi tiep can vao kho, treo bien bao cam va thong bao s co cho ngi cung cap hang e x ly; e) Khong uc dung ngon la tran e tm cho ro r. Ngi khong co trach nhiem khong uc thao bo hoac sa cha van chai. 5.6.2. Khi xay ra chay trong kho phai: a) Cho tat ca cac he thong bao ong trong kho hoat ong va bao cho lc lng cha chay.

b) Khi lc lung cha chay en phai thong bao chnh xac nico chay. V tr ton cha chai cha kh ot hoa long va cac vat lieu khac trong kho; c) Neu hi kh ot hoa long x qua van chai b bat chay phai lap tc ong van chai; d) Phun nc len cac van chai cha kh ot hoa long ang ton cha trong kho

e) Tien hanh cha chay. Ch nhng ngui a uc huanluyen cha chay hoac lc lng cha chay chuyen nghiep mi uc tien hanh cha chay.

f) Neu ngon la a c dap tat, nhng hi kh ot hoa longvan tiep tuc x ra th phai x ly theo quy nh trong 5.5.2

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g) Neu ngon la van tiep tuc sang cho khac.

chay lan sang cac

chai khac

phai s tan cac chai cha kh ot hoa long tai khu vc nay

h) Trung hp chay gan co kha nang gay nguy hiem chocac chai cha kh ot hoa long ang bao quan trong kho, cac chai phai uc tui nuc e lam mat hoac di chuyen i ni khac. 6. Yeu cau an toan trong van chuyen chai cha kh ot hoa long: 6.1. Yeu cau chung: 6.1.1. Trong qua trnh van chuyen chai cha kh ot hoa long phai co bien phap tranh lam h hong chai va cac bo phan cua chai. 6.1.2. Khi van chuyen, chai phai luon t the thang ng, van tren, mu van phai ong cho ti khi lap at cho ngui tieu dung . Cho phep xep lam nhieu chong vi ieu kien cach hai chong phai co van em. 6.1.3. Khi van chuyen chai rong 6.1.4. Viec nay. 6.1.5. Cho phep van chuyen chai rong t the nam ngang nhng phai tuan thu cac quy nh an toan khi van chuyen cac chai ay. 6.1.6. Trong qua trnh xep d, giao nhan chai cha kh ot hoa long khong uc keo le, vt va ap manh, lam o chai. 6.1.7. Tuyet oi khong uc chuyen ch cac chai cha kh ot hoa long tren cac phng tien giao thong cong cong cung vi gia suc, ngi va cac loai hang hoa khac. 6.1.8. Lai xe, nhan vien ap tai, giao nhan khong c hut thuoc khi ang lam nhiem vu. 6.1.9. Trc khi xep chai len xe, ngi co hang va ngui phu trach phng tien van chuyen phai cung kiem tra lai ieu a qua s dung en tram nap, phai thc hien cac bien phap an toan nh oi vi chai ay. van chuyen chai rong mi che tao hoac mi sa chuan cha khong phai tuan theo cac quy nh cua tieu

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kien an toan cua phng tien van chuyen. Ch c xep chai len phng tien van chuyen am bao an toan. 6.1.10. Khong c xep hang vt qua tai trong cua phng tien van chuyen. 6.2. Yeu cau an toan khi van chuyen bang ng bo: 6.2.1. Xe van chuyen chai cha kh ot hoa long phai la xe chuyen dung va c c quan co tham quyen kiem tra ve ky thuat an toan, phong chay cha chay va phai am bao cac yeu cau sau: a) Thanh xe phai chac chan. San va thanh xe pha lam bang go hoac lat go, khong co inh. Xe phai co bo phan giam xoc, buong lai c cach ly vi khoang ch hang; b) Xe phai co dau hieu quy nh chuyen ch chai cha kh ot hoa long

c) oi vi loai xe van chuyen tong lng kh ot hoa longtrong chai ln hn 150 kg phai co mai che hoac phu bat. 6.2.2. Cho phep ch chai cha kh ot hoa long tren xe thung nhng phai am bao:

a) Khoang ch hang phai co lo thong hi ca hai pha trcva sau hoac tai cac v tr a uc thiet ke phu hp. b) Tong dien tch cha hang. 6.2.3. Thng xuyen bao dng, kiem tra cac ieu kien lam viec cua xe ch chai cha kh ot hoa long. Xe phai uc trang b t nhat 01 bnh bot cha chay loai 2.5 kg at trong buong lai va hai chai loai 5- 9 kg bot kho ( hoac CO2 ) at thung ( thanh) xe. 6.2.4. oi vi chai co dung tch nc tren 100 lt ch uc xep mot chong chai theo chieu thang ng, van chai pha tren. Chai co dung tch nc en 100 lt cho phep xep t hai chong tr len nhng khong c cao hn thanh xe. 6.2.5. Cam o xe ni nang gat, gan nguon nhiet, ni co nhieu ngi va xe co qua lai. Trng hp xe tam o e len xuong lo thong hi phai at 2% dien tch khoang

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hang phai o xe ni an toan cho ngi va cho cac phng tien giao thong khac. 6.2.6. Viec van chuyen chai cha kh ot hoa long oi vi ca hang kh ot hoa long phai tuan theo cac quy nh trong TCVN 6223 1996. 6.3. Yeu cau an toan khi van chuyen bang ng sat. 6.3.1. Khi van chuyen chai cha kh ot hoa long bang ng sat phai thc hien ay u cac quy nh cua nganh ng sat va cac yeu cau sau: a) Tot nhat la van chuyen trong cac long at trong toa co mui e ch hang kho b) San va thanh xe phai lot go hoac cot ep; c) Toa ch hang phai co u ca thong gio va li bao ve bang thep.

d) Toa ch hang phai c trang b u phng tien cha chayCO2, bnh bot cha chay loai 5 9 kg, bang hung dan x ly s co

e) Co dau hieu bao ch kh ot hoa long , bien cam laben ngoai toa. 6.3.2. au may hi nc, diezen va au may chay bang ien phai o cach khu bao quan, sang nap t nhat 7 m. 6.3.3. Chu phng tien phai co trach nhiem thong bao cho cac ga ma tau o biet chung loai hang ang van chuyen va lch trnh cua tau. 6.4. Yeu cau an toan khi van chuyen bang ng thuy 6.4.1. Phai thc hien cac yeu cau trong cac quy nh ve van chuyen hang hoa nguy hiem tai cang cua nganh hang hai. 6.4.2. Tot nhat la van chuyen chai cha kh ot trong cac long bao ve at tren boong tau. Cho phep van chuyen trong khoang va ham tau. Khi o ham tau va khoang cha chai cha kh ot hoa long phai c thong thoang bang he thong thong gio t nhien hoac cac chup hut gio c kh kieu Shaghi. Mieng hut gio phai at tai iem thap nhat cua

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khoang cha. Khong c van chuyen chai cha kh ot trong cac contain ong kn. 6.4.3. Phai co bien phap bao ve chong ma nang , nc bien cho cac chai xep tren boong. 6.4.4. Khi xep d bang c gii, cac chai cha kh ot hoa long phai c xep trong cac long, ro chuyen dung. Phng tien nang chuyen nen dung loai nang bang banh rang. 6.4.5. Tau, xa lan ch chai cha kh ot hoa long phai c trang b cac bnh bot cha chay. So lng bnh bot c quy nh phu thuoc vao khoi lng van chuyen va dien tch khoang cha. 6.4.6. Khoang cha chai cha kh ot hoa long phai c trang b he thong bao chay t ong va he thong phun ti nc . 6.4.7. Phng tien van chuyen phai co ay u cac dau hieu, bien bao an toan ( bien bao cam la, cam hut thuoc..)

Kh ot hoa long (LPG) Xe bon van chuyen Yeu cau an toan ve thiet ke, che tao va s dung Liquefied petroleum gas (LPG) Vehicles used in the transportation Safety requirements of design, manufacture and using 4. Yeu cau chung

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4.1. Xe bon banh van chuyen kh ot hoa long (LPG) khong c s dung vao muc ch bao quan LPG lau dai hoac bao quan co nh. 4.2. Khong c bm chuyen LPG t xe bon nay sang xe bon khac tr trng hp khan cap. 4.3. He thong thiet b chu ap lc tren xe phai co ho s ky thuat va phai c c quan co tham quyen kiem nh va cap phep. 4.4. Viec lap bon cha len xe phai tuan thu thiet ke c c quan co tham quyen phe duyet va hng dan cua ngi che tao xe bon; neu co s thay oi phai c phep bang van ban. 4.5. Nhng ngi tham gia van chuyen LPG bang xe bon phai c ao tao va cap chng ch ve chuyen mon va ky thuat an toan phu hp. 4.6. Ngi lai xe bon phai c huan luyen ve quy trnh ng pho trong trng hp khan cap bao gom cac kien thc ve san pham, kiem soat khu vc va lien he khi khan khan cap, x ly khi LPG ro r; cha chay va thoat hiem. 4.7. Nhng to chc tham gia van chuyen LPG phai co ke hoach va phng an x ly cac trng hp khan cap khi van chuyen LPG. 4.8. Khong c e xe bon ang ch hang o qua em hoac ni cong cong, le ng trong khoang thi gian tren 2 tieng tr trng hp xe bon b h hong hoac ch vao iem giao hang. 4.9. Xe bon phai o ni an toan co rao chan phu hp va phai cach xa nguon la t nhat 7m. Xe bon khong c o hoac van hanh trong nha xay kn 3 mat. 4.10. Khi o xe bon xe e ch giao hang, au xe bon phai hng ve ca thoat hiem gan nhat. 4.11. Khi cac xe bon ch LPG phai c bao tr thng xuyen. Cong tac bao dng, sa cha phai c ghi vao ho s ky thuat xe bon. 4.12. Trong khi bao dng nh ky, trong bon khong c cha LPG pha long va ap suat trong bon khong vt qua 2 at. 4.13. Khong c phep sa cha xe bon va he thong chu ap lc khi trong bon con LPG. Phai co bien phap xac nh nong o hi LPG trc khi tien hanh cac cong viec sa cha co dung en nguon nhiet hoac khi can xa moi chat trong he

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thong chu ap lc. Viec x ly va lam sach kh phai do can bo chuyen mon thc hien. 4.14. Bon cha va cac chi tiet cua he thong chu ap lc phai c kiem tra o an mon 5 nam mot lan. Tat ca nhng iem lien ket bon cha vi khung be phai c kiem tra 5 nam mot lan bang cac phng phap khong pha huy. oi vi xe bon mi, cac v tr nay phai c kiem tra sau 6 thang. 4.15. C 5 nam mot lan phai tien hanh: Kiem tra va thay the (neu can thiet) cac van an toan, van bon cha va cac chi tiet lap rap; Kiem tra lp phu bao ve, neu can thiet phai x ly, sa cha; Kiem tra tat ca cac chi tiet va iem lien ket cua bon cha bang phng phap khong pha huy; Kiem tra he thong ien; Kiem tra ben trong bon cha theo cac thong so lien ke. 4.16. Moi xe bon LPG phai c trang b t nhat hai bnh bot cha chay loai 9kg at ngoai xe va mot bnh bot hoac CO2 loai 2,5 kg at trong cabin xe. 5. Yeu cau oi vi thiet ke, che tao xe bon

5.1. Yeu cau chung 5.1.1. Xe bon ch LPG phai tuan thu cac quy nh ve van chuyen kh de chay. 5.1.2. Trong trng hp, e ap ng cac yeu cau oi vi phng tien van chuyen LPG ma o to phai che tao khac vi tieu chuan quy nh chung oi vi o to th phai c phep cua c quan co tham quyen phe duyet. 5.1.3. Bon cha, cac chi tiet rap noi, thiet b va khung gam phai thong mach e dong ien chay lien tuc. 5.1.4. Xe bon cha phai co mot day dan rieng e noi vi cac thiet b at co nh c noi at khi giao nhan hang. 5.2. Yeu cau oi vi thiet ke 5.2.1. ong c o to phai la loai kh nen kch no (ong c ot trong) va c lap au xe

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5.2.2. Cong tac ngat khan cap ong c xe phai lap pha sau cabin hoac mot v tr khac ben ngoai e thuan tien cho viec ieu khien, cong tac nay phai co bien bao ro rang. 5.2.3. Mieng ong nap kh phai at v tr cao va phai nh v sao cho khi kh thoat ra khong lot vao ong c. 5.2.4. Ong xa cua ong c phai at v tr hoac c che chan e phong kh LPG hoac nhien lieu ro r phut vao cac bo phan b ot nong. 5.2.5. He thong ien phai c bao ve e giam ti mc thap nhat nhng h hong c hoc va phat chay do ien. 5.2.6. ien ap danh nh dung trong xe khong c ln hn 24 V mot chieu. 5.2.7. Day ien phai am bao ung tiet dien, cach ien tot, loi day phai lam bang ong tr noi ac quy co the dung loi nhom. 5.2.8. Ap quy phai c bao ve khong e LPG phut vao va phai co vach ngan (nap che) e tranh chap cc ac quy. 5.2.9. Cong tac ac quy tong phai la loai chong no. Cong tac tong c s dung e cat mach ien (tr mach ien e ong c hoat ong) phai lap cang gan ac quy cang tot. 5.2.10. Cac mach ien an toan hoac cac mach ien chu la phai lay trc cong tac tong cua ac quy tong. 5.2.11. V tr lap cong tac tong phai am bao kha nang lai xe ong ngat mot cach de dang ma khong can phai ri ghe. 5.2.12. Trong cabin xe bon khong c trang b bo lay la bang ien va o cam ien. ai, ien thoai... phai c au co nh vao mach ien co the cat c nh cong tac tong. 5.2.13. Khung be xe bon phai am bao cac loai van, ng ong va cac thiet b khac c nh v tot va khong b h hong khi qua quet. 5.2.14. Doc ben s xe bon phai co gian chan bao ve e phong nhng h hong khi va quet. 5.2.15. Pha sau xe bon phai co c cau chong cac vat lot vao gam xe va co ba xoc e bao ve xe va cac thiet b phu lap at pha sau xe bon. C cau ba xoc phai lap cach bo phan nho ra nhat cua bon t nhat 1000mm. 5.2.16. o cao trong tam cua xe bon (gom ca bon cha va cac thiet b cong vi trong tai) khong c ln hn 95% khoang cach gia 2 mep ngoai cua 2 lop xe ngoai cung lap tren truc sau xe.

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5.2.17. Tat ca cac ghe ngoi tren cabin xe bon phai co day an ai an toan. Kieu day, khoa cua day ai an toan phai do nha che tao khing be xe phe duyet va lap at. 5.2.18. Vo cabin phai che tao bang vat lieu chu la, chu va ap va co gii han chu la t nhat 15 phut. 5.2.19. Knh lap pha sau cabin phai la loai knh co o ben cao, day t nhat 6mm va khong the thao m c. 5.2.20. Khoang cach gia cabin va phan nho cua bon cha khong c nho hn 100mm

6.

Yeu cau oi vi thiet ke, che tao bon cha

6.1. Dung tch cha ln nhat cua bon c quy nh bi tong trong tai cua xe va kha nang chat tai tren cau xe va theo yeu cau lng vi an toan toi thieu cua loai san pham c van chuyen. 6.2. Lng LPG nap vao bon cha khong c vt qua 90% dung tch bon cha khi moi chat ben trong bon co nhiet o bang

nhiet o ln nhat khi van chuyen. 6.3. Lng LPG nap vao bon c xac nh theo khoi lng hoactheo the tch nh can khoi lng hoac ong ho bao mc va c tnh toan theo phu luc A. 6.4. Chieu rong cua bon cha sau khi lap thiet b i kem khong c vt qua chieu rong cua khung be. 6.5. Bon cha phai c thiet ke, che tao, lap at va th nghiem theo TCVN 6153 6155: 1996. 6.6. Vat liet lam bon cha phai co kha nang chu tac ong cua nhiet o thap nhat do moi chat hoac do moi trng xung quanh tao nen trong ieu kien hoat ong bnh thng. Khi nhng nhiet o tren khong ro rang hoac bien ong th lay nhiet o thiet ke mc thap nhat la am 200C. 6.7. Ket cau bon phai co mot hoac nhieu vach ngan khi lng nap lng nap ln hn 10.000 lt. Dung tch moi khoang khong c vt qua 7500 lt. 6.8. Ket cau cua vach ngan khong c han che s tieu thoat cua chat long, s lien thong cua cac khoang hi ke ca trong trng hp xe b lat nghieng hoac lat ngc va co lo ngi chui hnh ovan kch thc khong nho hn 400mm x 300mm hoac lo tron ng knh khong nho hn 400mm. 6.9. Can han che ti mc thap nhat cac moi ghep ren. Khong c s dung moi ghep ren oi vi cac ong co ng knh trong danh ngha ln hn 50mm.

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6.10. Tat ca cac bon cha co dung tch ln hn 5000 lt phai co mot lo ngi chui hnh o van co kch thc khong nho hn 400 mm x 300 mm hoac lo tron ng knh khong nho hn 400 mm bo tr au sau cua bon. oi vi bon nho hn th phai co lo kiem ta. 6.11. Ap suat thiet ke cua bon khong nho hn 17 kG/cm2 cong them cac hieu ng do tai trong ong gay nen. 6.12. Ap suat thiet ke cua bon cha va tai trong thiet ke at len cac phan bat noi bon cha c cong them mot ai lng gay nen bi tai trong ong nh sau: Theo hng chuyen ong: 2 x khoi lng tai trong co ch Theo hng vuong goc len tren vi chuyen ong: 1 x khoi lng co tai trong co ch Theo hng vuong goc xuong di : 2 x khoi lng tai trong co ch. 6.13. Neu bon cha co kha nang phai lam viec ieu kien chan khong th bon cha phai c thiet ke e chu chan khong tuyet oi (750 mmHg). 7. Yeu cau oi vi cac ng au noi

7.1. Phai giam ti mc thap nhat so lng cac ng au noi ac biet pha long. 7.2. Phu thuoc vao kch thc au noi ong, he thong ngat s cap bao gom nhng bo phan sau: Mot van chan chu la hoac Mot van tran lap ben trong ket hp vi van chan chu la hoac mot van mot chieu lap ben trong ket hp vi mot van chu la hoac Mot van an toan ben trong. 7.3. Nhng ong cut (ong noi) co ng knh ln hn 3mm pha long va ln hn 8mm pha hi c lap van an toan hoac van mot chieu cung vi mot van cau chu la lap ngay ben canh hoac mot van an toan ben trong ieu khien t xa. 7.4. Nhng ng noi co ng knh nho hn phai c lap van cau chu la nh he thong ngat s cap. Cac thiet b co lap jicl co ng knh nho hn 1,4mm e noi vi bon cha c phep s dung thiet b ngat kieu van xa cua ong ho bao mc chat long co nh. 7.5. Kieu loai, thong so ky thuat cua he thong ngat s cap c quy nh trong bang 1

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Bang 1 Loai he thong ngat Kch c ng noi / Pha L Long < 32 mm > 32 mm Hi < 32 mm > 32 mm Chu thch: ieu kien nap long. L ng noi ket thuc pha long. V ng noi xa pha hi, v du au noi ong. A Van mot chieu lap ben trong va mot van cau chu la lap ben ngoai cang gan van mot chieu cang tot. A A C B A B C B A A C B ng vong qua bm Xa qua ay/ xa ong

Nap long

Cap long

Hoi hn

V

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B van an toan ben trong ieu khien t xa hoat ong theo nguyen lu c kh, thuy lc hoac kh ket hp vi mot thiet b ong cat theo nguyen ly nhiet, v du cau chay, tac ong nhiet ong khong ln hn 1200C. Van co the lap them thiet b cat dong tran. e chnh cua van phai duy tr c v tr hoat ong c ke ca khi xay ra s co. C van tran lap ben trong (trong o co ng vong can ap co ng knh khong ln hn 1,4mm) cung vi van not cau chu la lap ben ngoai cang gan van tran cang tot.

7.6. Cac au noi ben trong bon co ng knh ln hn 1,4mm, tr cac au noi cua cac van an toan hoac cac lo c ay nap bat chat bang bu long hoac nut bang bu long (vt) phai co mot hoac nhieu van chan s cap. 7.7. Tat ca cac au noi cua bon cha pha long co ng knh trong ln hn 3mm va ln hn 8mm pha hi nhng khong c e cap bang 1 th phai lap mot van tran hoac mot van mot chieu phu hp ben trong va mot van cau chu la at ben ngoai cang gan van tran (van mot chieu) cang tot. 7.8. Cac van cau chu la c che tao bang thep va phai ap ng cac ch tieu ky thuat theo quy nh th c cong nhan. 7.9. ng phan nhanh, ng vong qua bm phai co ng knh trong nho hn 32mm.

7.10. Tren ng noi gia ng xa qua ay va ng phannhan cua bm phai lap van kieu B. 7.11. Toc o ong cua van tran khong c ln hn toc o dong chay xuat hien khi h hong ng ong hoac ong mem lap ngay pha sau van tran hoac ln hn 150% toc o dong chay danh ngha. 7.12. Van an toan ben trong ieu khien t xa phai c lap vi t nhat hai iem kch hoat mot au va mot cuoi bon. oi vi loai xe dai th pha au cuoi bon phai co them mot iem kch hoat e co kha nang lam cho van an toan nay co the ong t ca hai ben phai va ben trai.

7.13. He thong cac c cau kch hoat phai co cau chay co nhieto nong chay khong qua 120oC e ong van an toan ben trong ieu khien t xa trong trng hp xay ra chay hoac chay gan xe.

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7.14. Thiet b ong cat phai c ch dan ro rang chc nangva phng phap tac ong cua no. 7.15. Cac chi tiet noi ong xa khan cap co ng knh khong ln hn 50mm c lap ay bon hoac lap vi ng long phu hp nh tren ng vong cua bm. 7.16. Nhng chi tiet noi co ng knh trong bang hoac nho hn 32mm co the lap mot van tran ben trong va mot van cau chu la. 7.17. Nhng au noi ong co ng knh ben trong ln hn 32mm phai lap van an toan ben trong kch hoat t xa. 7.18. Tat ca cac chi tiet noi bon cha, he thong van, ng ong phai co v tr lap phu hp e bao ve chung tranh hng h hong do va ap. 7.19. Giam xoc cua xe bon phai chu c lc tac ong cua xe ay tai nhan vi hai lan gia toc trong trng. 7.20. Tat ca cac van va o ga i kem c che tao theo tieu chuan a c tha nhan e phuc vu cho LPG trong pham vi nhiet o va ap lc quy nh. 7.21. Vat lieu lien ket, lam kn ren va em phai phu hp vi muc ch s dung cho LPG ieu kien quy nh. 7.22. Van chan cua ng ong lay long phai c lap ngay tren au vao cua ong va khp noi ong. 7.23. Van chan ieu khien bang tay cua chi tiet noi xa khan cap va cac chi tiet noi khac khong s dung thng xuyen phai c bt kn bang nut hoac mat bch. 7.24. Cac van chan phai am bao ong chan hoan toan ieu kien ap suat va nhiet o a quy nh. Cac van chan phai c che tao bang vat lieu phu hp. 7.25. Voi bon cha cac thiet b, thiet b rap noi co jicl ieu khien co ng knh nho hn 1,4mm th phai lap mot thiet b ong chan phu hp. 7.26. Cac au noi trong he thong phai c tieu chuan hoa. Cac au noi cua pha long va pha hi phai co kch thc khac nhau. au noi cua he thong san pham co tao mui va san pham khong tao mui phai co kch thc khac nhau. 7.27. Cac au noi t bt kn phai la cac au noi c chap thuan va co hai na tng thch vi nhau va c bao quan co nh rieng biet nham tranh s dung tuy tien au noi chuyen tiep.

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7.28. Cac au noi phai co ket cau am bao giam ap suat ben trong trc khi thao ri. 8. Yeu cau oi vi dung cu kiem tra o lng va c cau ao toan

8.1. Moi bon cha phai co mot ap ke thch hp noi trc tiepvi khoang hi va c bao ve bang mot jicl ng knh 1,4mm hoac ong xi phong. Gia ap ke va bon cha phai lap mot van chan. 8.2. Cac bon cha phai lap ong ho ch bao dung lng thch hp dung cho cong nghiep. 8.3. Moi mot bon phai lap mot hoac hai ong ho bao mc chat long toi a. 8.4. Cho phep lap ong ho bao mc vi co nh co mieng xa dung e xa LPG ra ngoai khong kh neu co ng knh ln nhat cua jicl tai chi tiet noi vi bon cha khong ln hn 1,4 mm va vt xa luon b ham. 8.5. Ket cau au noi e lap ong ho phai am bao kha nang thay em ma khong phai ngng hoat ong cua bon. 8.6. Tat ca cac bon cha phai co nhiet ke e o nhiet o cua LPG long. Nhiet ke phai at tai v tr am bao kha nang oc ch so nhiet o khi ng di at va o c gia tr nhiet o trung bnh cua LPG. 8.7. Cac bon cha phai co mot hoac nhieu van an toan ao suat. Van an toan phai c noi trc tiep vi khoang hi, cac van an toan lap chm trong bon. 8.8. Ap suat tac ong cua van khong c ln hn ap suat thiet ke cua bon cha. Lu lng xa cua van phai am bao kha nang bao ve bon cha trong trng hp bon b la bao trum. 8.9. Van an toan dung cho bon cha phai la van lo xo c thiet ke, che tao ac biet e phu hp vi hoat ong van chuyen cua bon cha.

8.10. Ket cau van phai co chup bao ve e ngan nc va buitch tu lai mieng xa cua van. 8.11. Mieng xa cua van phai hng sao cho moi chat xa phut ra khong tac ong vao than bon cha. 8.12. Tren vo bon phai khoet lo bo tr van an toan e bao ve van khi co s co va ap hoac lat xe. Van an toan phai uc

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lap sao cho khong co phan nao cua van nho ra ngoai vo chnh cua bon. 8.13. Cac ong ho va van an toan phai c kiem nh va kep ch theo cac tieu chuan hien hanh. 9. Yeu cau oi vi bm va may nen 9.1. Bm dung cho xe bon phai c dan ong bang cac ong c thuy lc hoac bang bo phan trch t hop so truc xe. Khong c phep dung ong c ien cung nh ong c ot trong e dan ong bm. 9.2. Cho phep trang b cho xe bon may nen ac chung dung cho LPG. 9.3. Ap suat au ay cua may nen khong c ln hn ap suat thiet ke cua bon cha hoac he thong chu ap lc. 9.4. Cac bo phan chuyen ong cua may nen phai c bao ve bang cac bao che phu hp. 9.5. Vat lieu che tao bm va may nen phai phu hp vi LPG trong ieu kien lam viec lau dai. Khong c phep dung gang. 9.6. Bm va may nen phai co he thong ieu khien toc o vong quanh va phai co c cau khong che vt toc. 9.7. Tren au ay cua bm va may nen phai co ong hoi LPG tr ve bon khi ong van cap. Ong hoi phai co kch thc phu hp va phai lap van mot chieu. 9.8. Van mot chieu lap tren ng hoi LPG phai c ieu chnh sao cho no co the m c khi ng phan nhanh chung hoat ong va am bao o chenh lech ap suat trong bo nh ap cua hai van u e ong lung a at. 10. Yeu cau oi vi ng ong 10.1 ng ong chu ap lc tren xe phai c thiet ke va che tao, lap at theo cac quy nh trong TCVN 6153 6156 : 1996 10.2. Viec bo tr ng ong phai cho phep co the nap them bang chnh bm tren xe. 10.3. So lng moi noi ong phai han che ti mc t nhat. Cac moi noi ong phai c thc hien bang phng phap han ng phan nhanh chung khi lu

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hoac bang mat bch. Ch c dung moi ghep ren cho cac ong co ung knh trong danh ngha ln nhat la 50 mm; cho moi noi thiet b o lng tai au vao va ra cua bm 10.4. Cac ng ong hoac ong mem co LPG tch tu phai c lap bo phan gian n nhiet e ngan nga hien tng ap suat tang cao. 10.5. Tat ca cac ong mem phai phu hp cho muc ch s dung vi propan. 10.6. ong mem trong cuon ong phai la ong lien khong phu hp e giam lng LPG ro r khi ong b hong. 10.7. Tat ca cac ong mem dung e dan LPG phai co van chan ieu khien bang tay lap au vao ong. 10.8. Cac oan ong chung phai c bat gi chac chan tren than xe bang cac c cau c kh e tranh va cham vao cac chi tiet bat noi va he thong chu ap lc khi xe ang van hanh. 11. Ghi nhan: 11.1. Tat ca cac au noi cua bon phai c ghi nhan e ch chc nang. 11.2. Xe bon phai co s o he thong ng ong. 11.3. Cac bon sau khi che tao phai c sn mau trang, tren o ke ch ghi ro ten hang hoa cha ben trong bon vi o cao ch khong nho hn 80 mm. Ch c ke doc hai ben sn xe hoac pha sau xe. 11.4 .Tren cabin xe va tren thanh bon cha phai ke so ien thoai lien he khan cap khi xay ra s co. o cao ch so khong c nho hn 40 mm. 11.5. Tat ca xe bon ch loai san pham khong c tao mui phai co dau hieu e nhan biet loai hang nay ch tren xe. 12 .Yeu cau khi giao nhan hang 12.1 .Nhng ngi tham gia viec giao nhan LPG phai thc hien nhng yeu cau sau : c noi. au vao cuoc ong phai co mot van tran co kch thc

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S dung ay u cac phng tien bao ve ca nhan nh quan ao dai, giay ung va gang tay. Trng hp co LPG ro r th phai dung them knh bao ve mat hoac mat na phong oc. Khong c hut thuoc trong xe hoac xung quanh xe hoac trong vong ban knh 15m tnh t ni o xe. 12.2. Moi xe phai trang b t nhat 3 bien hieu cam la va tranh xa. Khi xe o nhng bien hieu nay phai at cach xa xe t nhat 15m nhng v tr thuan tien, de nhn, 12.3. Cac bnh cha chay phai c at nhng v tr de nhn, de lay trc khi giao nhan hang. 12.4. Xe phai o hng ve pha co ng thoat thch hp, cai phanh, ngat cong tac, cat ac qui va chen lop trc khi thc hien cac thao tac giao,nhan, nap 12.5. Day noi at cua xe phai c noi at trc bat ky hoat ong nao khac. 12.6. Ngi lai xe hoac nhan vien thc hien giao nhan hang khong c i ra ngoai trong suot thi gian xa hang. 12.7. Nhng ngi khong co nhiem vu khong c ra vao khu vc giao hang khi ang giao hang. 12.8 .Trc khi giao nhan hang, nhan vien giao nhan phai bao cho nhan vien ieu khien thiet b ni tiep nhan va kiem tra tnh trang cac phng tien. Ch c phep giao nhan hang khi cac phng tien trong tnh trang tot va an toan. 12.9 . Neu co nhng s co khi giao hang th phai ghi chep va thong bao cho ngi co trach nhiem e co bien phap x ly.

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TCVN 6484 : 1999 Phu luc A ( qui nh ) Lng LPG nap vao bon A.1 Nap theo khoi lng A.1.1 Lng kh ot hoa long nap vao bon khong c vt qua khoi lng tnh theo cong thc sau : W = 0,90. V. gi Trong o : V la dung tch cua bon nhiet o nh mc ( kg/lit). gi la t trong cua LPG long tai nhiet o nh mc ( kg/lit). A.2 Khi nap theo the tch, lng LPG nap co the tnh theo : ong ho bao mc vi nh hoac nap theo the tch ti mc qua so vi ong ho bao mc vico nh. A.2.2 Khi xac nh theo ong ho bao mc vi nh ta co : V = 0,90. V. gi/gm Trong o : V la dung tch cua bon cha, (lt) Vi la the tch chat long tai mc ong ho bao mc vi co nh, (lt); gi la t trong tng oi cua LPG tai nhiet o nh mc ; gm la t trong tng oi tai nhiet o nap toi thieu. Nhiet o nap la : 30oC oi vi bon cha > 5000 lt 38oC oi vi bon cha 5000 lt A.2.3 Nap theo the tch ti mc qu1a so vi ong ho bao mc vi co nh Neu so o chnh xac the tch, ty trong va nhiet o san pham xac nh c thng xuyen, lien tuc tai thi iem nap hang, th lng nap an toan c xac nh theo cong thc

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neu ieu A.2.1 tren c s can c vao ty trong tng oi cua hang nap tai nhiet o nap (gm) va ty trong tng oi tai nhiet o nh mc (gi). Ga tr gi cua mot t nhap hang la co nh cho en mot t nhap hang khac. Ty trong tng oi cua chat long tai nhiet o nap co the xac nh da tren gia tr nhiet o hang nap len xe.

Kh ot hoa long (LPG) Nap kh vao chai co dung tch nc en 150 lt yeu cau an toan Liquefied petrolium (LPG) The filling in transportable containers of up to 150 liter water capacity safery requirements

5.1 Yeu cau chung 5.1.1 Chai cha c nap tai nhng tram nap at trong nha hoac ngoai tri. 5.1.2 Cam khong c bo tr tram nap kh ot hoa long tang ham, di mat at hoac tren cac tang pha tren cua nha nhieu tang. 5.1.3 Tram nap phai am bao thong thoang. Trng hp tram nap xay kn va khong am bao thong gio t nhien th phai tien hanh thong gio cng bc va phai co ong ho o lng kh e kiem tra nong o kh trong khong kh. 5.1.4 5.1.5 Cac kho bao quan cua tram nap phai co thiet b San tram nap phai bang phang, bang hoac cao hn kiem tra nong o propan e phat hien kp thi s ro r . mat bang xung quanh. Trng hp san c nang cao bang san oto th khoang trong ben di phai c lap kn. Neu e trong th phai co bien phap thong thoang. Khong c phep cat gi, bao quan bat c vat g cung nh cac chat de chay trong khoang trong nay.

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5.1.6

Khi nap chai ngoai tri, khu vc nap va ton cha phai

co hang rao bao quanh vi 2 ca ra vao. o cao hang rao toi thieu la 2m. 5.1.7 Ca va cong ra vao cua khu vc tram nap, ton cha 5.1.8 Hang rao phai bo tr sao cho am bao khoang cach an toan va vung an toan ien. 5.1.9 Cac ong xa, ong thong khong c hng trc tiep hoac xa gan he thong cong thoat chung dung cho cac muc ch khac. 5.1.10 Kh thai nc t tram nap ra he thong thai chung phai s dung thiet b chuyen dung e ngan khong cho hi thoat vao he thong thai. 5.1.11 Thiet b ien va thiet b chieu sang phai phu hp vi vung phan loai ien phu luc A. 5.1.11.1 Vung nguy hiem c phan loai nh sau : a/ Vung 0 : la vung xuat hien lien tuc hon hp kh khong kh co the chay c hoac xuat hien theo chu ky vi nong o trong gii han thap hn hoac cao hn gii han co kha nang chay c. b/ Vung 1 : la vung khong kh nguy hiem co the xuat hien trong ieu kien hoat ong bnh thng. c/ Vung 2 : la vung khong kh nguy hiem ch co the xuat hien ieu kien khong bnh thng. 5.1.11.2 Cac thiet b ien c chia thanh nhieu loai va c s dung trang cac vung nguy hiem nh sau : Vung 0 : ch cac may moc va mach ien c cap dau an toan. Vung 1 : Cac may moc va mach ien c cap dau an toan. Cac thiet b chu la. Cac thiet b an toan tang cng. phai m c ca hai pha khong co c cau t khoa.

Vung 2 :

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5.1.12

Cac thiet b khong chay hoac han che thong gio, cac thiet b cong nghiep c la chon ac biet. Tat ca cac loai thiet b s dung vung o hoac vung 1. Phai co bien phap loai tr tat ca cac nguon gay

chay trong khu vc bo tr thiet b nap va phai trang b cac phng tien cha chay theo yeu cau cua cac c quan co tham quyen. 5.2 Yeu cau oi vi thiet b nap, he thong ong dan va thiet b phu : 5.2.1 Tat ca cac thiet b lien quan ti viec nap kh ot hoa long phai phu hp vi cac yeu cau qui nh trong cac tieu chuan hien hanh. 5.2.2 Thiet b nap phai co cac thiet b kiem tra o lng e 5.2.3 Tren tng nhanh nap phai lap van ong ngat ngay pha trc thiet b c nap. kiem soat qua trnh nap noi chung va mc nap noi rieng.

5.2.4

Trong he thong nap phai lap at he thong ong ngat

s co tren ng cap long. Kch thc c cau ong s co phai am bao 150% lu lng nap toi a. 5.2.5 Can dung trong he thong nap kh ot hoa long vao chai phai c bao dng va kiem nh nh ky theo cac qui nh cua c quan quan ly o lng nha nc. 6. Nap kh ot hoa long vao chai cha : 6.1 Qui trnh nap kh ot hoa long vao chai gom cac bc chnh sau : Kiem tra va loai bo nhng chai, van va nhng bo phan Nap kh ot hoa long vao chai. Kiem tra mc nap, loai bo hoac ieu chnh nhng chai cau. Kiem tra s ro r cua chai cha, van va cac au noi e loai bo hoac khac phuc. khong am bao chat lng.

nap khong bao am yeu

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-

Bt kn van chai cha dung e phan phoi hoac thng mai bang nut bao hiem.

6.2. Kiem tra chai cha trc khi nap phai c kiem tra anh gia theo tieu chuan TCVN 6290 1997 va phai loai ra trong nhng trng hp sau : 6.2.1 Tat ca cac chai cha trc khi nap phai c kiem tra anh gia theo tieu chuan TCVN 6290 : 1997 va phai loai ra trong nhng trng hp sau : - co hien tng h hong c hoc; - co hien tng an mon; - co nhng khuyet tat do che tao; - tnh trang chan e, vanh chan bao ve khong am bao; - thong tin ghi tren chai khong ung hoac khong ro; - qua thi han kham nghiem; - tnh trang, kieu nut bt va be mat au noi e nap khong phu hp; - chai b hong do hoa hoan; - cac chai a b loai ra trong qua trnh nap e kiem tra anh gia lai hoac e sa cha. 6.2.2 Cac chai b loai bo co the sa cha c, c sa cha lai, thay the van va cac au noi va kiem tra lai trc khi nap. Ni thc hien thao tac sa cha hoac kiem tra phai c phep cua c quan co tham quyen. 6.2.3 Nhng chai cha khong co kha nang sa cha phai pha huy e am bao cac chai nay vnh vien khong c s dung lai. 6.2.4 Nhng chai cha c anh gia la phu hp se c nap theo khoi lng hoac the tch. Khi nap theo khoi lng phai ghi khoi lng b va khoi lng chai co kh. Khi nap theo the tch, phai co ong ho bao mc long. Khong c phep nap qua mc qui nh (khoi lng, the tch) e am bao an toan. 6.3 Kiem tra va x ly chai cha sau khi nap 6.3.1 Nhng chai cha sau khi nap phai c kiem tra ve :

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- lng nap (theo khoi lng, the tch); - o kn. 6.3.2 Cac chai nap qua ay khong c phep a vao s dung neu khong co bien phap xa bt khi ra khoi chai cho en khi at mc nap theo quy nh( khoi lng the tch). 6.3.3. Khong c phep xa khi trc tiep ra ngoai khong kh ma phai xa vao he thong kn e thu hoi kh.6.3.4. oi vi nhng chai dung e lu thong b nap qua mc quy nh khong c phep x ly bang cach san sang chai khac. 6.3.5. oi vi nhng chai dung rieng cho ngi nap, neu nap qua ay th cho phep x ly bang cach san nap lng kh d cho chai khac. Khi o phai thc hien ung cac quy nh cho viec sang nap cho chai cha. 6.3.6. Tat ca cac chai cha nap qua sau khi a x ly phai c kiem tra lai mc nap. 6.3.7. Cac chai cha nap thieu phai c nap bo sung . Cam khong c s dung bien phap sang chai e nap bo sung. 6.3.8. Cac chai sau khi nap phai c kiem tra o ro r kh. Chai c coi la co bieu hien ro r khi co lng ton hao kh t 2,5 g/gi tr len. 6.3.9. Cac v tr can xac nh hien tng ro r la: - Than chai cha - Van hoac la cac au noi ( thng la ren) vi chai. - e van chnh va tat ca cac moi bt kn khac tren van chai va cac au noi ( thng la van an toan va truc van). - Tat ca cac nut bt kn phu - Ty van khi van trang thai m 6.3.10. Tat ca cac chai cha b ro r eu b loai bo e sa cha nhng chi tiet, bo phan b hong. Cam s dung cac chai b ro r cho bat c muc ch g. 6.3.11. Cac chai b ro r phai c cach ly vao cho an toan tranh xa cac cho lam viec khac. Hien tng h hong tng phan cua chai dung e phan phoi va thng mai phai c thong bao e giam nguy c s co do s dung. 7. San kh ot hoa long :

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7.1. San la qua trnh truyen mot lng kh ot hoa long t chai nay sang chai khac khong dung bm ma ch da vao s chenh lech ap suat. Qua trnh nay ch cho phep trong cac trng hp sau: e lay mau. Xa san pham trong trng hp khan cap; Cho cac chai b ro hoac nap qua ay. 7.2. Viec sang chai phai thc hien bang cac au noi va ong dan mem dung cho kh ot hoa long va thc hien tai khu vc quy nh di s giam sat cua ngi co chuey6n mon. 7.3. Khoang cach an toan t iem sang kh ot hoa long ti cac v tr va cong trnh lien quan phai am bao cac quy nh trong bang 1. 7.4. Viec san chai ch c thc hien t mot chai nay sang mot chai khac. 7.5.Ong mem dung e sang chai la loai ong chuyen dung cho kh ot hoa long chu ap sut cao va khong uc dai qua 3 m, ng knh khong ln hn 10mm. 7.6. Khi san chai phai san bt c at thang ng. Chai c san sang phai c at sao cho ong ho bao mc ga long va/ hoac van an toan phai tiep xuc vi kh ot hoa long the kh . 7.7. Nhan vien thc hien viec san chai phai c trang b b ay u phng tien bao ve ca nhan.

Bang 1:

Khoang cach an toan cho viec san chai cha Khoang phan cach 2 10

Khoang cach an toan ti Ca m trong toa nha Nguon gay chay

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Toa nha hoac bat ky loai vat lieu bat la nao c bao quan tren mat at hoac tren khu vc n v ben canh ng giao thong, ng truc iem pha che nhien lieu bat ky 8. Mc nap an toan ln nhat:

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3 3

8.1. Kh ot hoa long co the c nap vao chai theo khoi lng hoac the tch. Vec nap theo the tch ch c ap dung cho cac chai co ong ho bao mc long. 8.2. Khi nap theo khoi lng viec xac nh lng nap ln nhat phai can c vao hai yeu to la khoi lng cua the tch kh ot hoa long c phep nap vao chai nhiet o chuan va sai so khoi lng trong qua trnh nap gay ra. e am bao hai ch tieu nay, khong oc phep nap qua ay ma phai e lai khong di 5% dung tch chai tai nhiet o chuan a quy nh cua san pham. 8.3. Khoi lng nap an toan ln nhat cua chai cha phai c xac nh theo phng phap A hoac B cua phu luc hoac bang mot phng phap tng ng c cong nhan. 8.4. Khi nap theo the tch , lng kh ot hoa long nap vao phai e lai khong di 5% the tch chai tai nhiet o chuan a quy nh cua san pham. 8.5. Khi xac nh mc nap an toan ln nhat phai tnh en nhiet o toi thieu cua san pham trong ieu kien ton tr san pham va nhiet o toi thieu trong khi nap. 9. Sai so nap 9.1. Khi nap theo phng phap khoi lng, sai so nap trong moi trng hp khong c vt qua sai so cho phep cua nha che tao thiet b nap. 9.2. Sai so nap oi vi kh ot hoa long dung cho thng mai trong moi trng hp phai tuan thu cac quy nh cua c quan co tham quyen ve o lng.

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9.3. Khi nap theo phng phap the ch, sai so c tnh toan tren c s: Kha nang, trnh o cua ngi nap. Sai so cua ong ho o mc kh hoa long co nh tren chai; Hoat ong cua thiet b nap ( toc o dong chay, ap suat ).

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Phu luc B ( Quy nh) Xac nh khoi lng hoac the tch nap ln nhat cho chai cha kh hoa long B.1. The tch kh ot hoa long ln nhat trong chai cha nhiet o chuan a nh va sai so khoi lng c s dung e xac nh the tch (khoi lng) nap an toan. B.2 . Sai so khoi lng b c lam tron so theo bang B.1 di ay: Bang B.1 Tr so lam tron khoi lng Khoi lng LPG trong chai (kg) Nho hn 10 T 10 en 20 Tren 20 Tr so lam tron xuong (kg) 0,05 0,.10 0,20

B.3. Sai so nap thong dung c neu trong bang B.2 Bang B.2 Sai so nap tieu bieu Khoi lng LPG trong chai (kg) 6 kg propan 7 kg butan 11 kg propan 13 kg butan 45 kg propan B.4. Tnh toan khoi lng nap Khoi lng kh ot hoa long ln nhat co the nap vao chai uc tnh toan theo mot trong hai phng phap di ay: B.4.1. Phng phap A ( Phng phap he so nap): Qf = V x D Trong o : Qf = khoi lng nap ln nhat an toan kg V dung tch nc cua chai ( lt) D He so nap toi a cho phep trong bang B.3. ( khong th nguyen) + 0,4 / - 0 + 0,2 / - 0 Tr so lam tron (kg) + 0,1 / -0

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Bang B.3 He so nap cho phep ln nhat cua chai cha LPG Ty trong tai 150 C (kg/lt) 0,473 en 0,480 He so nap ln nhat 0,38

B.4.2. Phng phap B ( Tnh dung lng) Qf = 0,90 x V x Gi - (W + FT) Trong o : Qf = Khoi lng nap an toan ln nhat V ding tch cua chai ( lt) Gi ty trong cua san pham ( LPG) tai nhiet o chuan a nh ( kg/lt) W sai so khoi lng b cua chai cha (kg) FT Sai so nap (kg) Chu y cac phng phap nay ch ap dung khi chai cha khong cach nhiet. B.5. Xac nh the tch nap an toan ln nhat B.5.1. Khi xac nh the tch nap an toan ln nhat phai xac nh c ac tnh san pham; nhiet o chuan a nh cua san pha m; nhiet o nho nhat ma san pham co the ha ti; sai so nap. B.5.2. The tch nap an toan ln nhat c xac nh theo phng phap A va B B.5.2.1. Phng phap A ( dung lng tnh toan) Vf = 0,09 x V x Gi / Gl (FT) Trong o : Vf - The tch nap an toan ln nhat ( lt); V - Dung tch cua chai cha ( lt) Gi - ty trong cua san pham tai nhiet o nh mc ( kg/lt); Gl - ty trong cua san pham tap nhiet o nap thap nhat co the ha ti( kg/lt) FT - sai so nap ( lt) B.5.2.2. Phng phap B ( phep o dau la ASTM/API)

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Mot phng phap c chon s dung ty trong san pham giong nh viec s dung bang he so ieu chnh the tch chat long trong cong thc tren ( phng phap A). V du: Bang phep o dau la ASTM/API cho chat long gom hydro cacbon long pham vi ty trong 0,500 0 ,653 kg/lt 15 0C

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