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Nhm M phng Cng ngh Ho hc v Du kh Trng i hc Bch khoa H Ni
Crude Oil Characterization
HYSYS Oil-1
Ni dung
Phng php chuyn t mi trng m phng ny
sang mi trng m phng khc
La chn h nhit ng v cu t trong du th
c trng du th trong HYSYS
Thm dng
Lin kt cc tin ch khc
2 Oil-1
Mc tiu
Thit lp H nhit ng
S dng cc c tnh ca du th trong HYSYS
Nhp thm dng
Tnh ton cn bng pha
Lin kt cc tin ch khc
Thay i Workbook theo yu cu
3 Oil-1
Xy dng m phng
Chn PR EOS
i tn mc nh Basic 1 thnh Refinery
Nhp cc cu t:
Cc cu t nh (Light Ends): Methane, Ethane, Propane, i-Butane, H2O
Cc cu t gi nh ca du th: Oil Environment
La chn n v tnh: SI
4 Oil-1
Oil Characterization
3 bc thc hin:
1. Thit lp cc tnh cht ca du th theo ASTM
2. Thit lp cc cu t gi nh
3. To lp du th trong lu trnh chnh
5 Oil-1
Oil Characterization
1. Thit lp cc tnh cht ca du th theo ASTM: TBP
ASTM D86 (chng ct Engler)
ASTM D1160 Distillation
ASTM D86_D1160
ASTM D2887 (chng ct m phng bng GC)
..
2. Light Ends: cc cu t nm di im si ca du th (t C1 n-C5) Ignore: coi phn nh nh 1 cu t gi nh
Auto Calculate
Input Composition: thng s dng, tnh ton chnh xc hn c
6 Oil-1
Oil Characterization
3. Bulk Properties MW
Mass Density 250 2000 kg/m3
Watson Factor K (UOP)
Bulk Viscositys cho hai nhit 37.78oC v 98.89oC (100oF v 210oF)
4. Physical Property Curves MW Curve
Density Curve
Viscosity Curve
7 Oil-1
Adding Assay Data
Vo Oil Environment
Trn Assay tab chn Add hin th Input Data tab
Trong Name, t tn l Crude
T Data Type chn TBP
Trong Basic LiquidVolume Boiling Temperature bm phm Edite: s dng La Grande Extrapolation Methode
Trong Light Ends, chn Input Composition
8 Oil-1
Adding Assay Data
Assay
%
Temperature oC
Assay
%
Temperature oC
0 -10 50 327
4 32 60 393
9 74 70 474
14 116 76 521
20 154 80 546
30 224 85 566
40 273
9 Oil-1
Adding Assay Data
Light Ends Compositions
Input Data
Methane 0.0065
Ethane 0.0225
Propane 0.3200
i-Buthane 0.2400
H2O 0.0000
10
Liquid Volume Percent Basic nhp Light Ends
Oil-1
Adding Assay Data
Chn phm Bulk nhp cc thng tin Bulk
Standard Density Nhp 29oAPI cho du th
Khi nhp y cc gi tr bm Calculate:
S hin th thng bo Assay Was Calculated
Hin th th trong tab Working Curves
Vic tnh ton hn hp s da vo th ny
ng ca s, tr v giao din Oil Characterization
11
Assay: Crude
12 Oil-1
Pseudo Component
Blend tab trong Oil Characterization view c hai chc nng: Cutting Oil into Pseudo Component
Blend two or more assay into one set of Pseudo Component
Cut Ranges: c 3 la chn: Auto Cut: Hysys t ct thnh cc on
User Points: ngi s dng t s cu t gi nh yu cu
User Ranger: ngi s dng t khong nhit v s phn ct trong mi khong
13 Oil-1
Pseudo Component
Cutting the Assay: khi mt assay c tnh ton, c th ct thnh mt s cu t gi nh ring bit Vo Cut/Blend tab trn Oil Characterization, chn phm Add thit lp new Blend
Trong Name, i tn mc nh Blend-1 thnh Crude
T danh sch Available Assays Crude Add, assay Crude thm vo Oil Flow Information tab, t ng tnh
Nu khng s dng Auto Cut, chn User Ranges: 20 cuts cho Cut Point temperature 425oC (800oF)
5 cuts cho 620oC (1150oF)
Bm phm Submit
Vo Distribution Plot tab xem phn b thnh phn
14 Oil-1
Cutting the Assay
15 Oil-1
Cut Distribution Plot - Crude
16 Oil-1
TBP Distilation Plot - Crude
17 Oil-1
Property Plot - Crude
18 Oil-1
Installing the Oil
Trong Oil Characterization, chn tab Install Oil
Hn hp Crude s xut hin
Trong ct Stream Name, nhp tn Raw Crude
19 Oil-1
Installing the Oil
20 Oil-1
Kt qu tnh ton
Hai gi tr Boiling Points thp nht ca cc cu t
gi nh bng bao nhiu?
Boiling Points ca i-Butane v i-Pentane bng bao
nhiu?
Nh vy s c i-Butane v i-Pentane trong mu s
dng TBP khng?
C cn thit phi phn tch i-C5 trong phn nh?
21 Oil-1
Xy dng PFD
Adding Streams
t tn dng Water
Nhp gi tr Liquid Volume Flow 33 m3/h
Composition 100% H2O
22 Oil-1
Tnh ton cn bng pha
Nhp hai trong 3 tham s:
T
P
Phn mol hi
HYSYS s tnh ton tham s cn li
C th tnh:
im sng
im bt
Thnh phn lng hi cn bng
23 Oil-1
Cu hi
Tnh cn bng pha cho dng Raw Crude:
P = 525 kPa (76 psi)
T = 200oC (392oF)
Phn mol hi bng bao nhiu?
Tnh nhit im sng P = 525 kPa ca dng
Raw Crude
Tnh nhit im bt P = 525 kPa ca dng
Raw Crude
24 Oil-1
Lin kt cc tin ch Utilities l cng c tin ch trong HYSYS
Khi c thit lp, Utility l mt phn ca Flowsheet, t ng tnh ton khi cc tham s, cc iu kin thay i
Cch thit lp: M Property view ca dng
Chn Utilities page trong Attachments tab
Bm Create vo Available Utilities, chn Mass Density trong danh sch Utility,
Chn phm Liquid, v chn Thermal Conductivity
Chn phm Vapour v chn Viscosity
Bm phm Calculate
25 Oil-1
Lin kt cc tin ch
Nu cha hin th Variable Mass Density trong Utility
thao tc nh sau:
Utilities bm phm Creat chn Property table
Add Utility
Design tab Dep.Prop. Add trong danh
sch Variable chn Mass Density OK. Calculate
Chuyn sang Performent tab Plot View Plot
xem th
26 Oil-1
Lin kt cc tin ch
27 Oil-1
Cold Property 1
28 Oil-1
Cold Property 1
True VP: bubble point at 100oF, not meassured
experimentally
Reid VP: meassured at 100oF, generally reported
as psia
Flash Point: meassure of light materials in the
stream
Pour Point: meassure of the waxiness of the
cloud point is a similar test
29 Oil-1
Cold Property 1
30 Oil-1
Cold Property 2
31 Oil-1
Cold Property 2
32 Oil-1