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16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 1/26
TI LIU SCH ng k | ng nhp
Gii thiu v DoKo.VnQuy nh
Tm kimTi liu mi
Hng dn Lin hdoc bao
Copyright 2014 DoKo.VN Website ang th nghim Ch xin cp php MXH ca b Thng Tin v Truyn Thng
KhoainintHTHNGKHNN,THULC Binson:ThS.NguynPhco
Chng2 CCPHNTCAHTHNGKHNN2.1Khingunkhnn.Trongcngnghip,tytheoquymsnxut,ngitathngxydngmtvitrmkhnnphcvsnxutviccmcchkhcnhau.Yucutithiu,khnncngphicxlsbmbocctiuchun: p sutnnh Kh v Khng lnbibnCctiuchunnymichpngccyucuchungv cdngtrongcccngvicnhlmschmitrng,snphm,bmhi
mththngkhnnlmvicbnvng,lintcvtincy,ngunkhnncnphictngcngnnhvpsut,phundubitrnchoccphntiukhin,ccuchphnh tcccyucutrn,mttrmngunkhnncnctrangbmtlotccphntnitipnhautthitblckhngkhuvonkhnntiuchuncungcpchohtiuth,thngbaogmccthitbcmtbngkhiuthhintrnsnhtrnhnh2.1 2.1.1Mynnkh
Hnh2.1Khiuccphntcbncamtkhingunkhnn
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 2/26
Viclachnmynnkhdatheoyucuvpsutlmviccaccccuchphnh(Xilanh,ngc,gichtvclachntheoyucucngngh)vccyucukhcnhkchthc,trnglng,mcgytingncamynnkh.1.MynnkiuPiston (Hnh2.2):Mtcp:psutxpx600kPa=6barHaicp:psutxpx1500kPa=15bar.Cththitkn4cp,P=250bar
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 3/26
KhoainintHTHNGKHNN,THULC Binson:ThS.NguynPhcoLulngxpx10m 3 /min.Lmvictheo nguynlthayithtch. Pistonixungshtkhngkhvoquavanht.nhnhtrnhpistoniln,vanhtbngli,vanycmnnkhngkhvobnhtchp.Mivngquaysgmmtkhtvmtknn.
Lulngcamynnkhtnhchomtcpcpdngtheocngthc:Q=v.n=[m 3 /vng].[vng/pht]=[m 3 /pht]hay[m 3 /min]trong,v:thtchhnhtrnhcabunght(tnhchomtchutrnhhaymtvngquay)n:svngquaymipht. nngcaohiusutnn,mynnnhiucp,khnnclmmttrckhivocpnntiptheo.
2.Mynnkiucnhgt (Hnh2.3):Mtcp: psutxpx400kPa=4barHaicp:psutxpx800kPa=8barLmvictheo nguynlthayithtch LulngthtchQ vtlthunvi:ngknhstator,scnhvrngcnhgt,lchtmvtcquayrotor.
3.Mynnkhkiutrcvt (Hnh2.4):Lmvictheo nguynlthayithtch psutln,xpx10barLulngtlthunvitcquay,chiuditrcvt.
4.Mynnkhkiulytm (Hnh2.5):(Mynnkiuhngknh)lmvictheo nguynlngnng psutkhln,xpx1000kPa=10barLulngtlvitcquay,scnhvdin tchcnh.5.Mynnkhkiuhngtrc (Hnh2.6):
Lmvictheo nguynlngnng
psutxpx600kPa=6bar
Lulngcngtlvitcquay,ng
knhbunght,scnhvdintchcnh
Refrigerationpistoncompressor
singlestage
Hnh2.2
Slidingvanecompressor(Rotarycompressor)
Hnh2.3
Screwcompressor
Hnh2.4
Hnh2.5
Hnh2.6
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 4/26
Radialflowcompressor
Axialcompressor
Hnh2.6
KhoainintHTHNGKHNN,THULC Binson:ThS.NguynPhco2.1.2ThitbxlkhnnCcgiaionxlkhnn: Lcth:lmmtsbtchchtbn,bitiptcvobnhngngttchhinc.Sykh:ngdngqutrnhvtlhocqutrnhhohc.Lctinh:Dngblcvcmbodng
1.Sykhbngqutrnhhahc (hnh2.7)
Hnh2.7khnncaquatngchtlmkh(vdmuiNaCl),tiy,hi
ncchatrongkhngkhsctraoivichtlmkhvnglithnhchtlngchyxungbungchancngngvcthorangoi.Phngphpnycchiphvnhnhcao,thngxuynphithayth,bsungchtlmkh,tuynhinlptngin,khngyucungunnnglngtbnngoi.
2.Blcvsykhngdngqutrnhvtl (Hnh2.8)Nguynlhotng:khnntmynnkhquabphntraoinhit.Ti
ydngkhnnvoangnngsclmlnhnhtraoinhitvidngkhiracsykhvlmlnh.Nhvy,tikhuny:khnnvoclmmt,khnniracsim.Mtphnhinctrongkhnnvocngngtrixungbnhngng.
Saukhiclmlnhsb,dngkhnntiptcivobtraoinhitvichtlmlnhtrongthitblmlnh.Tiy,dngkhnnclmlnhnnhithasng(khong+2 0C),ccgitsngngngttiptcrixungbnhngngthhai.
Hnh2.7Thitbsykhbngqutrnhhahc
Hnh2.8Thitbsykhbngqutrnhvtl
Download 4 /20 BnhlunBoco
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 5/26
Gp
hasng(khong+2 C),ccgitsngngngttiptcrixungbnhngngthhai.Thitbngdngcngnghnylmvicchcchn,chiphvnhnhthp.3. Biuhophcv ( AIRSERVICEEQUIPMENTS)Biuhaphcvclptnitipvingunkhnnthngthng,
nhmcungcpngunkhnnchtlngcaovbsungchcnngcungcpdubitrnvboqunccphntcahthngkhnn,hnhdngbnngoivkhiutrnscamtbiuhaphcvnhtrnhnh2.9,gm:
BlchincVaniuchnhpsutnghchthBtraduboqun
[n qung co]
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 6/26
KhoainintHTHNGKHNN,THULC Binson:ThS.NguynPhco
+Blckhnn(CompressedairFilter)(Hnh2.10)Nguynllc:Khnntochuynngxoyvquacphntlcc
kchthclt5 mn70mtutheoyucu.Hincbphntlcngnli,rixungcclcvcxrangoi.
+Vaniuchnhpsutccaxtrn(Pressureregulatingvalvewithreliefport)(Hnh2.11)Chcnng:duytrpsutlmvicurakhngitrongphmvirng,
khngphthucvosdaongpsutmngcungcpkhnnuvovmctiuthkhnnura.iukincnlpsutlivoP 1 lunphicaohnpsutlmvicP 2 cnchoccuchphnh.
Nguynllmvic:KhipsutvoP 1nnh,psutraP 2 bngvipsutt,vaniuchnh
psuttrngthichokhnniquavanchnh(7)hngtP 1 nP 2 .GisP 2 tngln,vddotitrngcaxilanh,m(3)cavanx(6)bycongkhinkhnnquavanxrangoiquakhehp(1)lmgimP 2 ,ngthilxo(4)ymngvanchnhkhngchopsutdingcvphangunP 1
(1).Khethotkhrangoi (2).LxotpsutP 2(3). mcavanx (4).Lxongvanchnh(5). Vt tpsuturaP 2(6). Van xtrn(7). Van chnh
Hnh2.10Blchinc
Hnh2.9Biuhaphcvvkhiutrns
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 7/26
Hnh2.11.Biuchnhpsut
KhoainintHTHNGKHNN,THULC Binson:ThS.NguynPhco+BtraduboqunKhnnclcschbibnvhinc,tuynhincungcpchohthngiukhinkhnn,dngkhnncnphicchcnngvnchuynmtlngducnhtthpboqun,bitrnccbphnbngkimloi,ccchititgymastnhmchngmimn,chngr,kt.tciu,ngitathngdngmtthitbtradulmvictheonguyntccbncamtngVenturi,nguynllmvic:
Hnh2.12mtnguynlcutocabtradu,khilungkhnncpsutchyquakhehp,nitmingngVenturi,psuttrongngttxungmcchnkhngkhinchodutccchtlnmingngvrixungbungduriblungkhnnctccaophnchiathnhnhnghtnhnhsngmcuntheodngkhnnbitrn,boqunccphntcahthng.2.1.3Phnphikhnn Hnh2.13mtmththngphnphikhnn.Hthngngdnthngctdctheohngcungcpkhnn,vidct12%.ngknhcangdnclachnphthucvoyucuvtnthtpsuttrnngdntnhtngunnnitiuth,theotiuchunkhngvtqu0,1bar. Cslachn: Lulngcnthit dingdn Tnthtpsutchophp p sutvnhnh Simcnkimtralulngtrnngdn
Hnh2.12Btraduboqun
Hnh2.13Mththngphnphikhnn
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 8/26
2.2Ccccuchphnh (workingelements)Tngqut:
Ccccuchphnhcchcnngbininnglngctchlytrongkhnnthnhngnng.Cthcungcpccchuynng:Chuynngthng:
+Xilanhtcdngn(SingleactingCylinder)+Xilanhtcdngkp(Doubleactingcylinders)
Chuynngquay: +ngckhnn(AirMotors)+Xilanhquay(RotaryCylinders)
Gicht
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 9/26
KhoainintHTHNGKHNN,THULC Binson:ThS.NguynPhco1.Xilanhtcdngn:*Nguyntchotng:(Hnh2.14)
KhnnchcsdngsinhcngmtphacaPiston(nhplmvic).
Pistonlivbnglcbtlicalxohaycalctbnngoi(nhpliv). Xilanhcmtcngcpngun,mtlthotkh. iukhinhotngcaxilanhnbngvan3/2*Nguynlcuto:Cc dng: Xilanh kiupistonvvkhiutrns(Hnh2.15) Xilanh kiumng
2.Xilanhtcdngkp*Nguyntchotng:(Hnh2.16)
KhnncsdngsinhcnghaiphacaPiston. Xilanhchaicacpngun. iukhinhotngcaxilanhkpbngvan4/2,5/2hoc5/3.*Nguynlcuto:
Ccdng: Xilanhkpccnpistonmtpha:DodintchcahaimtPistonkhcnhaunnlctcdngtrncnPistoncngkhcnhau(lcylnhnlcko).Haidngxilanhkpccnpistonmtphathnggp:
+Xilanhkpkhngcmgimchn(Hnh2.17) + Xilanhkpcmgimchniuchnhc(Hnh2.18)
Hnh2.14HotngcaXilanhn
Hnh2.15
Hnh2.16
Hnh2.17Xilanhkpkhngcmgimchn
Hnh2.18
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 10/26
Hnh2.18
KhoainintHTHNGKHNN,THULC Binson:ThS.NguynPhcoXilanhkpccnpistonhaipha(gilxilanhngb)(hnh2.19),vdintchhaimtpistonbngnhaunnlctcdngsinhracngbngnhau.3.Xilanhquay iukhinbngvan4/25/2hay5/3 CnPistoncthanhrngtruynngtibnhrngquay,gcquay0360 o ,mmenkhong0,5Nmn20Nmpsutvnhnh6bar,tuthucngknhcaPiston(hnh2.20).Kiutruynngxoay(Hnh2.21):iukhinbngvan4/25/2hay5/3.
Gcxoay0270 o Mmen:khong0,5Nmn20Nmpsutvnhnh6barvphthucvokchthccacnhgt.4.ngckhnn:ngccthquaytrnlintccthochiuquay,iukhinbngvan4/25/2hay5/3Hnh2.22lnguynlcutocamtngckiucnhgt.5.Gicht:Mtvnglmbngcaosucthtreomtvtbngschtkhnn.
Khiu
Hnh2.22
Khiu
Hnh2.21
Khiu
Xilanhquay
Hnh2.20
Hnh2.19
Khiutrns
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 11/26
vtbngschtkhnn. Khickhnnthit2sang3,minght1stochnkhngchogicht.Hnh2.23mtmtbvanvgichtvimchkhnnngdng.
ngckhnnkiucnhgt
Mchkhnndnggicht
Hnh2.23
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 12/26
KhoainintHTHNGKHNN,THULC Binson:ThS.NguynPhco2.3Ccvaniukhinochiu (Directionalcontrolvalve) thngdng2.3.1Quyckhiuccvaniukhinochiu trnshthngkhnn.1.Quycbiudincccngvo/ra,ccvtrchuyntrngthi:
Trong,khiucccngvo/racbiudinbngcccons,quyc: s1lcngngun(P) S2vs4lcccngcpkhnnnccuchphnh S3hoc3v5lcccngxkhtrctiprangoimitrng(ch
:khicngimtingn,ngitalpvocccngxccnggimthanh)
2.Quycbiudinccdngtcngiukhinvan:
3.Mtskhiuycavanochiu(hnh2.24)
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 13/26
Hnh2.24
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 14/26
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 15/26
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 16/26
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 17/26
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 18/26
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 19/26
KhoainintHTHNGKHNN,THULC Binson:ThS.NguynPhco
2.5.2VanlogicOR(ShuttleValveORfunction) (Hnh2.46).Cccim:ura2sctnhiurakhimttronghailivo1hoc1(3)ctnhiu.
KhngccctnhiuvothkhngctnhiuraNucngmtthiimcchaitnhiuvonhngpsutkhcnhau,tnhiuraltnhiucpsutlnhn
Tronghthngkhnn,vanORcsdngvinhiuchcnngcbit,vdnh:
VivanOR,cththitkkhnngiukhinnhiuvtrthaotckhcnhau,vinhiutcngiukhinkhcnhau.Trongiukhintunt,cccngORthamgiatrongccmodulenhp.
Hnh2.47lsmchhthngkhnnngdngvanORtronggiiphpcthiukhinxilanh1Ahaikhnng:bngntn(1S1)hocbngPan(1S2).
2.5.3CcbnhthikhnnCutocamtbnhthigm:Mtvantitlumtchiu,mtbnhchakhnnvmtvan3/2iukhinbngkhnn.
Hnh2.47VdngdngvanOR
VdngdngvanAND
1 1
2
2
1 3
2
1
2
1 3
1A
1V2
1V1
1S1 1S2
Hnh2.45
Hnh2.46
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 20/26
Hnh2.48trnhbynguynlcuto,pngthigian,khiubiudintrnsvkiudngbnngoicamtbnhthikiuDELAYON
KhoainintHTHNGKHNN,THULC Binson:ThS.NguynPhco
Nguynllmvicnhsau:Tithiimt=0,mttnhiukhnncpsutkhngictvoca(12)khitobnhthi.Khnnquakhehpcatitlumtchiunpvobnhtrchcha(compressedairrecervoir),iuchnhmclulngnychnhliuchnhthigiantrtcnthit.Khipsuttrongbnhtrchchattigitrcnchochuyntrngthicavan3/2,vansmcungcptnhiura(signaloutput)tica(2).Trngthinysbxakhixtnhiuca12,qutrnhxadinragnnhtcthi:khnntrongbnhchaxnhanhquaca12(khngquatitlu)psutgimnhanh,lxophchicavan3/2tcngkhavan.Tngt,khithayicutrccabnhthiquavicitrngthibanuca
van3/2,cthccRlethigianDELAYONnhtrnhbytrnhnh2.49:
TiptheocbnhthiDELAYOFF,ngitaichiuvantitlumtchiu.pngthigianvkhiutrnsnhhnh2.50.
Kiudng
Hnh2.48
Hnh2.49
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 21/26
Hnh2.51trnhbymtvdngdngDELAYON(1V1).Cnpistoncaxilanh1Acnphilulivtrcuicngmtthigian(vd5s)sautngrtv.TnhiukhitochoTimerccungcptcngtchnhtrnhS2xcnhvtrcuicngcapiston.Vanochiu1V2lvanxungnntnhiuiukhindoTimercungcptntichonkhicnpistonrtkhiS2(cnghalvan1V2hontonchuynsangtrngthinnhmi)
Hnh2.50pngbnhthiDELAYOFF
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 22/26
KhoainintHTHNGKHNN,THULC Binson:ThS.NguynPhco 2.5.4Vantuntpsut (Pressuresequencevalve)Van tuntpsutcngdngtronghthngmtnhiuvpsutcgimstcnhucuchoiukhinccbctiptheo.Vd,trongthitbgiacngchitit:psutdnhchovickpchtchititcngiacngcnphictheodibngmtvantuntpsut,khithamn,vannycungcpmttnhiuiukhinchoccuchphnhtiptheohotng(vdxilanhdntinkhoan).
Hnh2.52biudinnguynlcuto,hotngvkhiutrnscamtvantuntpsut.Nguyn l hotng:psutcngimstctvoca12,khipsutvtqugitrtno(phthucvoyucucngngh,nhhnpsutcangun),van3/2smakhnnracalmvic2.Van3/2sngtrlikhipsutca12nhhngitrt.
Hnh2.51
Vdngdngvantuntpsut
Hnhdngbnngoi
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 23/26
Hnh2.52mtvantuntpsut
KhoainintHTHNGKHNN,THULC Binson:ThS.NguynPhco2.6Ccphntatnhiu (InputElements)1.KhinimchungTrongcchthngiukhintngnichung,hthngkhnnniring,ccphntatnhiucchialmhainhm:
Nhmccphntgiaotipngihthng.+Tronghthngiukhinhontonbngkhnn,ngitathngsdngccphnt(gichunglphnttcngbngtay):dngccntn,nmxoay,Pedalviccvan3/2hoc5/2+Tronghthngiukhinbnginkhnn,ccphntdngntn,cngtcvicctipiminthngmhaythngng.
Nhmccphntgiaotiptronghthng,gmccphntthchinnhimvgimsttrngthicahthng,nhcccngtchnhtrnh,cccmbin,cameravcungcpcctnhiucnthitchoqutrnhiukhin,chothitbhinth,cnhbo2.Nhmphntkhnngiaotipngihthng Hnh2.53mtnguynlcuto,hotngvkhiucamtntn(Pushbutton)thngngsdngvanochiu3/2
3. Nhmphntgiaotiptronghthng
*)Cccngtchnhtrnhhaycngtcgiihn(limitswitch)tcngbngckh(Machanicallyactuated).
Hnh2.54mtnguynlcutovhotngcamtcngtchnhtrnhkhnntcdngbngckh,sdngvan3/2thngm
2
1 3
Khiu
Hnh2.53Ntnthngng
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 24/26
Theoyucucngnghiukhinhthngbngkhnn,ngitathngsdnghailoicngtchnhtrnh,phnbittheochiutcng:cngtchnhtrnhtcngchaichiuvcngtchnhtrnhchtcngmtchiuhocttrisangphihoctphisangtri.Hnh2.55mtcccngtchnhtrnhvngdng
Hnh2.54
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 25/26
KhoainintHTHNGKHNN,THULC Binson:ThS.NguynPhco
Chng3 CNGNGHIUKHINBNGKHNN3.1.PhngphpmtbitoniukhinTrong lnhvcthitkhthngiukhinnichungvtronglnhvcthitkhthngkhnn,thylcniringmtbitoniukhinlvicxcnhritngiukhin,nhimviukhin,ccthngscniukhin,cciukinrngbuc mtbitoniukhin,ngitathngdngnhngthutng,nhngkhiu,quycthhindidngskhi,biu,luthutton,lutintrnhTrongkthutiukhinhthngkhnn,thylc,vicmtbitoniukhinthnghaydngBiuhnhtrnhbc,SchcnnghayLutintrnh.
Tytheoyucumtbitoniukhin,ngitacthsdngccdngbiusau: Biuchuynng (Motiondiagram),trnhnh3.1biudinscngnghmtkhuvnchuynsnphmvbiuchuynngcaccuchphnh.Biunychmangthngtinvhnhtrnhbccaccxilanh.
Hnh2.55
Cngtchnhtrnhhaichiu
Cngtchnhtrnhmtchiu
Hnh3.1Mtbiuchuynng
16/12/2014 Giotrnhkhnn
http://www.doko.vn/tailieu/giaotrinhkhinen215079 26/26