Tuam Tshoj Me Me thiab Nruab Nrab Loj Huab Cua Sib Nqus Chav Dej Muaj Dej Oxygen Plant Ua Kua Nitrogen Cog,
Tuam Tshoj Liquid Air Separation Plant,Cov Khoom Siv Ua Kua Dej Oxygen Nitrogen,
Kev pom zoo
1.Main parameters ntawm lub cuab yeej
1.1 Tsim tej yam kev mob
Raw khoom npe: natural gas
Raw khoom siab: 0.02mpag (gauge siab)
Raw khoom kub: ambient kub
Raw khoom muaj pes tsawg leeg (Provisional)
| Mole Frac | |
| H2S | 20 PPM |
| N2 | 1.795 ib |
| CO2 | 0.562 ib |
| CH4 | 92.887 ib |
| C2H6 | 3.705 ib |
| C3H8 | 0.679 ib |
1.2 Cov kev cai rau cov khoom siv hydrogen
Muaj peev xwm ntau lawm: 235nm3 / h (500kg / D)
Hydrogen purity: H2 ≥ 99.9%
Natural gas noj: 110m3 / h (LHV ntau dua 8500Kcal / m3)
Hydrogen tso zis siab: ≥1.6Mpa
Qhov hluav taws xob kub: ≤ 40 ℃
1.3 Kev ua tau zoo lav
l Lub sijhawm nruab nrab ntawm qhov tsis ua haujlwm ntawm cov khoom siv fais fab 8000 teev
l Kev ua haujlwm yooj yim: 30 ~ 110%
l Tus tsim lub neej ntawm cov cuab yeej zoo li qub yog 15 xyoo
1.4 General layout
Luas 26 m x 10 m = 260 m2
2. Chav ua haujlwm
2.1 txheej txheem thev naus laus zis
Natural gas compression thiab conversion
Cov roj ntuj sab nraum lub roj teeb txwv yog thawj zaug nias rau 1.6Mpa los ntawm lub compressor, ces rhuab mus txog 380 ℃ los ntawm feed gas preheater nyob rau hauv lub convection seem ntawm lub chav transformer, thiab nkag mus rau lub desulfurizer kom tshem tawm cov sulfur nyob rau hauv lub pub roj hauv qab no. 0,1ppm ua. Lub desulfurized pub roj thiab cov txheej txheem chav (3.0mpaa) Kho cov roj sib xyaw ua ntej raws li tus nqi tsis siv neeg ntawm H2O / ∑ C = 3 ~ 4, ntxiv preheat rau ntau tshaj 510 ℃, thiab sib npaug nkag mus rau cov yeeb nkab hloov pauv los ntawm cov roj sib sau ua ke. lub ntsiab yeeb nkab thiab lub taub hau pigtail. Nyob rau hauv cov txheej txheem catalyst, methane reacts nrog chav los tsim CO thiab H2. Lub tshav kub xav tau rau kev hloov pauv methane yog muab los ntawm cov roj sib tov uas kub hnyiab hauv qab lub qhov cub. Qhov kub ntawm cov roj hloov pauv tawm ntawm qhov hloov pauv yog 850 ℃, thiab qhov kub siab hloov mus rau qhov kub siab. Cov roj siv tshuaj nkag mus rau hauv lub raj sab ntawm cov khib nyiab kub boiler los tsim 3.0mpaa saturated chav. Qhov kub ntawm cov roj hloov pauv los ntawm cov khib nyiab kub boiler poob mus rau 300 ℃, thiab tom qab ntawd cov roj hloov pauv nkag mus rau hauv boiler pub dej preheater, hloov cov roj dej txias thiab hloov cov roj dej cais tawm hauv lem kom cais cov condensate los ntawm cov txheej txheem condensate, thiab txheej txheem roj raug xa mus rau PSA.
Cov nkev li roj yog tov nrog lub siab viav vias adsorption desorption gas, thiab tom qab ntawd cov roj ntim rau hauv cov roj preheater tau hloov kho raws li qhov kub ntawm cov pa roj ntawm qhov hluav taws xob hloov kho. Tom qab kev hloov pauv, cov roj roj nkag mus rau sab saum toj burner rau combustion los muab cua sov rau cov hloov kho.
Cov dej desalted yog preheated los ntawm cov dej desalted preheater thiab boiler pub dej preheater thiab nkag mus rau hauv cov khoom los ntawm cov khoom siv ntawm flue gas khib nyiab boiler thiab hloov cov roj khib nyiab boiler.
Txhawm rau ua kom lub boiler pub dej ua tau raws li qhov yuav tsum tau ua, ib qho me me ntawm cov tshuaj phosphate thiab deoxidizer yuav tsum tau ntxiv los txhim kho qhov scaling thiab corrosion ntawm boiler dej. Lub nruas yuav tsum tsis tu ncua tso tawm ib feem ntawm boiler dej los tswj tag nrho cov yaj yaj ntawm boiler dej hauv lub nruas.
l Siab viav vias adsorption
PSA muaj tsib lub adsorption yees. Ib tus pej thuam adsorption yog nyob rau hauv lub xeev adsorption txhua lub sijhawm. Cov khoom xws li methane, carbon dioxide thiab carbon monoxide nyob rau hauv cov roj hloov pauv nyob rau saum npoo ntawm cov adsorbent. Hydrogen yog sau los ntawm sab saum toj ntawm lub adsorption ntauwd uas tsis yog-adsorption Cheebtsam thiab xa tawm ntawm ciam teb. Lub adsorbent saturated los ntawm impurity Cheebtsam yog desorbed los ntawm lub adsorbent los ntawm lub regeneration kauj ruam. Tom qab tau sau, nws raug xa mus rau tus neeg hloov kho ua roj. Cov kauj ruam rov ua dua tshiab ntawm lub adsorption ntauwd yog tsim los ntawm 12 cov kauj ruam: thawj qhov kev poob qis, qhov thib ob qhov kev poob qis, qhov kev poob qis thib peb, kev tso tawm rau pem hauv ntej, rov qab tawm, dej ntws tawm, qhov thib peb zoo li sawv, qhov thib ob zoo li sawv, thawj zaug sawv thiab zaum kawg. Tom qab kev tsim kho dua tshiab, tus pej thuam adsorption rov muaj peev xwm kho cov roj hloov pauv thiab tsim cov hydrogen. Lub tsib adsorption yees hloov mus ua cov kauj ruam saum toj no kom paub meej tias kev kho mob tas mus li. Lub hom phiaj ntawm kev hloov roj thiab tsis tu ncua ua hydrogen tib lub sijhawm.
2.2 Cov khoom siv tseem ceeb
| Serial tooj | Khoom npe | Main specifications | Cov ntaub ntawv tseem ceeb | Unit hnyav ton | kom muaj nuj nqis | lus hais |
| Kuv | Natural gas steam conversion seem | |||||
| 1 | Reformer | 1set ib | ||||
| thermal load | Qhov hluav taws xob hluav taws xob: 0.6mW | |||||
| Convection seem: 0.4mw | ||||||
| Lub qhov cub | Thaum tshav kub kub load: 1.5mw/set | cov khoom sib xyaw | 1 | |||
| High kub hloov pauv raj | HP-Nb | |||||
| Upper pigtail | 304 SWB | 1set ib | ||||
| Qab pigtail | Incoloy | 1set ib | ||||
| Convection seem tshav kub exchanger | ||||||
| Preheating ntawm mix raw khoom | 304 SWB | 1 pab | ||||
| Pub roj preheating | 15 CrMo | 1 pab | ||||
| Lub tshuab hluav taws xob boiler | 15 CrMo | 1 pab | ||||
| Manifold | Incoloy | 1 pab | ||||
| 2 | chimney | DN300 H = 7000 | 20# | 1 | ||
| Tsim kub: 300 ℃ | ||||||
| Tsim siab: ambient siab | ||||||
| 3 | Desulfurization ntauwd | Φ400 H 2000 | 15 CrMo | 1 | ||
| Tsim kub: 400 ℃ | ||||||
| Tsim siab: 2.0MPa | ||||||
| 4 | Conversion gas pov tseg boiler | Φ200 / Φ400 H ~ 3000 | 15 CrMo | 1 | ||
| Tsim kub: 900 ℃ / 300 ℃ | ||||||
| Tsim siab: 2.0MPa | ||||||
| Thaum tshav kub kub load: 0.3mw | ||||||
| Kub sab: kub hloov pauv roj | ||||||
| Lub caij ntuj sov: boiler dej | ||||||
| 5 | Boiler feed twj tso kua mis | Q = 1m3/h | 1 Cr13 | 2 | 1+1 | |
| Tsim kub: 80 ℃ | ||||||
| Inlet siab: 0.01Mpa | ||||||
| Qhov hluav taws xob siab: 3.0MPa | ||||||
| Lub cev muaj zog tawg: 5.5kw | ||||||
| 6 | Boiler pub dej preheater | Q = 0.15 MW | 304 SS/20 R | 1 | Plaub hau | |
| Tsim kub: 300 ℃ | ||||||
| Tsim siab: 2.0MPa | ||||||
| Kub sab: conversion gas | ||||||
| Lub caij ntuj sov: dej desalted | ||||||
| 7 | Reforming gas dej txias | Q = 0.15 MW | 304 SS/20 R | 1 | ||
| Tsim kub: 180 ℃ | ||||||
| Tsim siab: 2.0MPa | ||||||
| Kub sab: conversion gas | ||||||
| Lub caij ntuj sov: circulating dej txias | ||||||
| 8 | Reforming gas dej separator | Φ300 HN 1300 | 16 MnR | 1 | ||
| Tsim kub: 80 ℃ | ||||||
| Tsim siab: 2.0MPa | ||||||
| Qauv Zauv: 304SS | ||||||
| 9 | Dosing System | phosphate | q235 ua | 1set ib | ||
| Deoxidizer | ||||||
| 10 | Desalination tank | Φ1200H ~ 1200 | q235 ua | 1 | ||
| Tsim kub: 80 ℃ | ||||||
| Tsim siab: ambient siab | ||||||
| 11 | Natural gas compressor | Tso zis ntau: 220m3 / h | ||||
| Suction siab: 0.02mpag | ||||||
| Tso zis siab: 1.7mpag | ||||||
| Roj tsis muaj roj lubrication | ||||||
| Explosion pov thawj lub cev muaj zog | ||||||
| Lub cev muaj zog: 30KW | ||||||
| 12 | Natural gas buffer tank | Φ300 HN 1000 | 16 MnR | 1 | ||
| Tsim kub: 80 ℃ | ||||||
| Tsim siab: 0.6MPa | ||||||
| II | PSA part | |||||
| 1 | Adsorption ntauwd | DN700 H = 4000 | 16 MnR | 5 | ||
| Tsim kub: 80 ℃ | ||||||
| Tsim siab: 2.0MPa | ||||||
| 2 | Desorption gas tsis tank | DN2200 H = 10000 | 20 R | 1 | ||
| Tsim kub: 80 ℃ | ||||||
| Tsim siab: 0.2MPa |
2.3 Lub rooj noj mov tseem ceeb
| tus lej xaj | Kev siv hluav taws xob thiab kev tsim khoom lag luamCov khoom lag luam | Specifications | Tuam txhab | siv | lus hais |
| 1 | hluav taws xob | 220V / 380V 50Hz | KW | 40 | Pumps, twj, compressors |
| 2 | Desalted dej | Siab: 0.2 ~ 0.3MPa | kg/h | 800 | |
| Conductivity: | |||||
| SiO2: | |||||
| Residual chlorine: | |||||
| Na +: | |||||
| 3 | Instrument cua | 0.4 ~ 0.6 Mpa | m3/h | 100 | |
| Qhuav thiab tsis muaj roj | |||||
| Dew point qis dua -5 ℃ | |||||
| 4 | Circulating dej txias | Dej pub dej kub: 32 ℃ | t / h | 30 | ΔT = 10 ℃ |
| Rov qab dej kub: 42 ℃ | |||||
| Kev pub dej siab: 0.3 ~ 0.4MPa | |||||
| Coefficient: 0.0004m2k/w | Tsim tus nqi | ||||
| PH tus nqi: 7.5 ~ 8.5 | |||||
| CL-: |
Tuam Tshoj Me Me thiab Nruab Nrab Loj Huab Cua Sib Nqus Chav Dej Muaj Dej Oxygen Plant Ua Kua Nitrogen Cog,
Tuam Tshoj Liquid Air Separation Plant,Cov Khoom Siv Ua Kua Dej Oxygen Nitrogen,
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