Natural gas wellhead dehydration unit
Natural gas wellhead dehydration unit
Unit configuration
(1) Lub cev qhuav dej yog skid mounted, thiab cov khoom siv hluav taws xob thiab cov cuab yeej siv rau ntawm txoj hlua khi yog tawg-pov thawj.
(2) Lub cev qhuav dej yog nruab rau hauv tsev.Tus neeg muag khoom yuav tsum tsim cov txheej txheem cuam tshuam raws li qhov kub thiab txias ib puag ncig hauv lub caij ntuj no kom ntseeg tau tias kev ua haujlwm ntawm lub cev qhuav dej hauv lub caij ntuj no.
(3) Tag nrho cov txheej txheem cov kav dej txuas nrog rau sab skid, thiab tag nrho cov kev ruaj ntseg valve vent pipes thiab blowdown kav txuas nrog rau sab skid los ntawm manifold.
(4) Nws yuav tsum muaj peev xwm ua haujlwm tau zoo raws li cov xwm txheej tau teev tseg hauv cov ntaub ntawv khoom siv.
(5) Tag nrho cov flanges yuav tsum tau txuas los ntawm tus tswv yuav tsum tau sib tw pob tw vuam flange nrog gasket, ntsia liaj qhov rooj thiab txiv ntseej.Tus qauv flange yog Hg / t20592-2009, lub flange txais RF lub ntsej muag, B series, thiab cov khoom siv yog 16Mn;Cov txheej txheem kauv qhov txhab gasket yog Hg / t20610-2009, qib siab yog tib yam li lub flange, lub gasket txais cov kauv lub qhov txhab gasket nrog lub nplhaib puab thiab lub nplhaib nruab nrab, lub nplhaib nruab nrab yog cov hlau, cov khoom siv hlau thiab sab hauv. lub nplhaib yog 0Cr18Ni9, lub ntim yog hloov tau graphite siv;lub stud yog tshwj xeeb-lub hom phiaj tag nrho xov stud (35CrMo), raws li Hg / t20613-2009;cov txiv ntoo yog hom II hex txiv ntoo (30CrMo), raws li GB / t6175.
(6) Cov txheej txheem tsim dua tshiab yog qhov sib npaug ntawm lub voj voog kaw nrog cov hluav taws xob sab nraud.
(7) Lub lim tau nruab rau ntawm qhov nkag nrog lub lim qhov tseeb ≤ 10 μ m, uas tuaj yeem tiv thaiv cov adsorbent los ntawm kev ntub dej thiab qias neeg los ntawm cov kua thiab ua kom lub neej ntev ntawm cov adsorbent;cov plua plav lim yog nruab rau ntawm qhov hluav taws xob nrog lub lim qhov tseeb ntawm 3 μ m, uas tuaj yeem tiv thaiv kev ua haujlwm ntawm cov compressors tom ntej.
(8) Cov txheej txheem tsim dua tshiab tau txais cov kev sib hloov compressor los tsav cov kev rov tsim dua tshiab, thiab cov txheej txheem tsim dua tshiab tau nruab nrog cov roj dej cais los ua kom rov tsim dua cov pa roj huv.
(9) Gas-dej separator muaj ob chav sib cais ntawm lub ntiajteb txawj nqus thiab pom, nrog rau kev sib cais zoo.Lub tank tso kua dej yog teem rau tom qab cov roj-dej cais nrog cov kua ntim ntim ntawm 0.05m3 kom ua tau raws li tag nrho cov pa tawm ntawm kev rov tsim dua tshiab.
(10) Kev tswj hwm qhov system: PLC tswj kev tswj hwm suav nrog kev tswj qhov kub thiab txias thiab kov lub vijtsam.Tom qab cov txheej txheem tswj tsis tau ua tiav, nws yuav raug tso tawm ntawm lub vijtsam LCD, thiab cov txheej txheem yuav cia li tswj cov kev ua haujlwm ntawm cov kiv cua, cua sov, cua txias thiab tiv thaiv kom khov thiab txuag hluav taws xob.Nruab nrog cov cuab yeej hauv zos thiab cov cuab yeej tswj hauv tsev, nrog rau cov cuab yeej tswj chaw taws teeb.Kev pib thiab nres ntawm kev rov tsim dua tshiab, kev siv lub tshuab hluav taws xob thiab lub tshuab hluav taws xob tuaj yeem paub txog hluav taws xob cuam tshuam thiab kev tswj hwm kev tswj hwm tus kheej, thiab kev tswj xyuas yog nyiam.Multi point kub sensor xyuas, muaj tseeb tso saib thiab tswj ntawm lub qhov hluav taws xob rhaub, regeneration gas qhov hluav taws xob thiab txias qhov hluav taws xob qhov hluav taws xob, tswj tsis tau input rau PLC central processor rau ua, thiab tswj qhov kev txiav txim ntawm regeneration system raws li qhov kev pab cuam, thiab nruab nrog tej thaj chaw deb kev sib txuas lus interface, RS485 interface, kev sib txuas lus raws tu qauv yog MODBUS-RTU.Rhaub overheat tiv thaiv hloov, zam lub rhaub kom qhuav kub, tiv thaiv hluav taws xob cua sov lub neej.
(11) PLC tswj txee yog teem rau hauv chav faib hluav taws xob hauv chaw nres tsheb, thiab PLC tswj txee yuav tsum tau nruab nrog lub tshuab cua sov kom ntseeg tau tias qhov kev ua haujlwm zoo ntawm qhov kub tsis tshua muaj nyob rau lub caij ntuj no.
(12) Kev tiv thaiv kev nyab xeeb muaj nuj nqi: lub rhaub dej kub thiab lub qhov hluav taws xob tau muab nrog kev tiv thaiv kub;lub cev muaj zog yog muab nrog kev tiv thaiv thermal thiab kev tiv thaiv luv luv, thiab cov khoom siv hluav taws xob tau muab kev tiv thaiv luv luv thiab tiv thaiv kom tsis txhob tawg.
(13) Lub cev muaj zog txais cov nplaim hluav taws xob asynchronous lub cev muaj zog, qhov tawg-pov thawj qib tsis tsawg dua Exd Ⅱ BT4, qib kev tiv thaiv ntawm cov khoom siv hluav taws xob tsis tsawg dua IP54, thiab qib kev tiv thaiv ntawm qhov ntsuas tsis tsawg dua IP55.
(14) Cua txias: tube fin heat exchanger
Tus qauv configuration
(1) Tom qab lub adsorption ntauwd yog qhwv nrog cov khoom siv thermal rwb thaiv tsev, nws yog qhwv nrog txhuas hniav phaj, uas muaj corrosion kuj zoo thiab zoo nkauj tsos.
(2) Lub tshuab hluav taws xob cua sov yog ntawm ib hom, ua los ntawm stainless hlau 1Cr18Ni9Ti.Lub zog cua sov ntawm qhov chaw ntawm lub tshuab hluav taws xob cua sov mus txog 2.0w / cm 2.
(3) Dew point analyzer sampling chaw nres nkoj yog teem rau ntawm qhov hluav taws xob ntawm lub cev qhuav dej.Nruab nrog online dew point meter.
(4) Lub adsorption ntauwd tau nruab nrog lub ntsuas ntsuas hauv zos thiab ntsuas ntsuas kub kom pom qhov ua haujlwm siab thiab qhov kub ntawm lub adsorption ntauwd;cov txheej txheem tsim dua tshiab yog nruab nrog lub ntsuas kub, ntsuas qhov ntsuas siab thiab ntsuas qhov ntsuas kub kom deb ntawm qhov hluav taws xob qhov hluav taws xob ntawm lub tshuab hluav taws xob rov ua dua tshiab, cov cua txias thiab cov roj hluav taws xob ntawm cov adsorption ntauwd mus rau chav tswj;Lub txee tswj tau nruab nrog PLC tswj cov cuab yeej.
(5) Tag nrho cov khoom siv hluav taws xob ntawm lub cuab yeej yog tsim los ntawm kev tawg.Qhov chaw tawg-pov thawj ntawm qhov chaw tsis tsawg dua Exd Ⅱ BT4, qib kev tiv thaiv yog IP54, thiab qib tiv thaiv ntawm qhov chaw tsis tsawg dua IP65.
(6) Tag nrho cov nozzles sab nraud yog txuas nrog rau txoj hlua khi.
(7) Lub adsorption ntauwd yog nruab nrog tshwj xeeb chaw thau khoom thiab tshem tawm qhov chaw nres nkoj rau molecular sieve, uas yooj yim thiab ceev rau kev hloov pauv molecular sieve.
(8) Muaj kev ruaj ntseg valve nyob rau hauv lub regeneration system.
(9) Cov khoom siv xws li adsorption ntauwd, regeneration gas heater, inlet separation filter blowdown, regeneration gas water separator, liquid collecting tank blowdown and their connected pipelines will be insulated.Thaum lub ambient kub qis dua 5 ℃, lub tshuab cua tshuab tuaj yeem pib rau kev txuag hluav taws xob thiab taug qab.
Anti corrosion thiab kub preservation kho
(1) Party B yuav tsum yog lub luag hauj lwm rau cov tshuaj tsuag primer thiab ua kom tiav cov xim ntawm txhua qhov chaw tshwj tsis yog cov khoom siv hlau stainless thiab cov qauv txheem.
(2) Party B yuav tsum yog lub luag haujlwm rau kev yuav khoom thiab qhwv cov ntaub ntawv rwb thaiv tsev thiab cov ntawv txhuas rau cov khoom siv adsorption, hluav taws xob rhaub thiab kav dej.
Cov neeg siv khoom xav tau muab cov ntaub ntawv
Cua inlet siab, cua inlet flow, cua inlet dej dew point thiab roj qhov hluav taws xob dej dew point (nyob rau hauv cov ntaub ntawv ntawm unconventional natural gas, ntxiv rau, cua inlet kub thiab roj muaj pes tsawg leeg yuav tsum tau muab. , shale gas, biogas, roj, thiab lwm yam).
