Tsis tshua muaj kub valve nrog lub caj dab ntev valve npog yog vim li cas rau qhov tsis tshua muaj kub valve xaiv nug kev txiav txim tseem ceeb xav tau kev saib xyuas

Tsis tshua muaj kub valve nrog lub caj dab ntev lub hau npog yog vim li cas rau qhov tsis tshua muaj kub valve xaiv qhov kev nug tseem ceeb uas xav tau kev saib xyuas Tsis tshua muaj kub li qub xws li kub kub thaum muaj xwm ceev txiav tawm valve, tsis tshua muaj kub txiav tawm valve, tsis tshua muaj kub kos valve, LNG tsis tshua muaj kub valve, NG * * tsis tshua muaj kub valve, thiab lwm yam., feem ntau yog siv rau hauv 300,000 tons ntawm ethylene, liquefied natural gas thiab lwm yam nroj tsuag tshuaj. Cov tso zis ua kua nruab nrab kub xws li ethylene, kua oxygen, kua hydrogen, liquefied natural gas, liquefied petroleum khoom, thiab lwm yam, tsis yog tsuas yog flammable thiab tawg, tab sis kuj gasification thaum cua sov. Thaum gasification, lub ntim nthuav ntau pua zaus. Yog vim li cas rau lub caj dab ntev cover rau qhov kub thiab txias li qub Haum rau nruab nrab kub ntawm -40 ℃ ~ -196 ℃ valve yog hu ua low temperature valve, thiab hom valve no feem ntau siv lub caj dab ntev valve cover. Lub valve uas tsis tshua muaj kub muaj xws li kub kub thaum muaj xwm ceev txiav-tawm valve, qis-kub txiav-off valve, low-temperature check valve, LNG low-temperature valve, NG low-temperature valve, thiab lwm yam., feem ntau yog siv nyob rau hauv 300,000 tons. ethylene, liquefied natural gas thiab lwm yam nroj tsuag tshuaj. Cov tso zis ua kua nruab nrab kub xws li ethylene, kua oxygen, kua hydrogen, liquefied natural gas, liquefied petroleum khoom, thiab lwm yam, tsis yog tsuas yog flammable thiab tawg, tab sis kuj gasification thaum cua sov. Thaum gasification, lub ntim nthuav dav ntau pua zaus Lub caj dab ntev npog tau teev tseg vim tias: (1) Lub caj dab ntev lub hau npog muaj lub luag haujlwm ntawm kev tiv thaiv qhov kub tsis tshua muaj valve ntim lub thawv, vim tias kev sib khi ntawm lub thawv ntim khoom yog ib qho tseem ceeb ntawm qhov qis kub valve. Yog tias lub thawv ntim khoom xau, nws yuav txo qhov ua kom txias thiab ua rau cov roj liquefied gasification. Thaum tsis tshua muaj kub, nrog rau qhov kub thiab txias, qhov elasticity ntawm cov ntim yuav maj mam ploj mus, thiab cov ntaub ntawv pov thawj poob qis. Vim tias cov xov xwm tawm, cov khoom ntim thiab lub valve qia yog khov, uas cuam tshuam rau kev ua haujlwm ntawm lub valve qia. Nyob rau tib lub sij hawm, lub pulp packing yog khawb vim lub zog ntawm lub valve qia nce thiab nqis, ua rau loj heev to. Yog li ntawd, nws yog ib qho tsim nyog los xyuas kom meej tias qhov kub ntawm lub hauv paus muab tub lim yog siab tshaj 8 ℃. (2) Lub caj dab ntev lub hau npog qauv yog yooj yim los qhwv cov khoom txias kom tiv thaiv kom tsis txhob muaj lub zog txias ntawm qhov kub thiab txias. (3) Lub caj dab ntev ntawm qhov ntsuas kub tsis tshua muaj qhov yooj yim hloov ceev ntawm lub ntsiab valve qhov chaw los ntawm kev tshem tawm lub valve. Txij li cov txheej txheem cov kav dej thiab cov li qub nyob rau hauv qhov txias ntawm cov khoom siv feem ntau tau nruab rau hauv 'lub thawv txias', lub caj dab ntev valve npog tuaj yeem txuas ntxiv los ntawm 'lub thawv txias' phab ntsa. Txhawm rau hloov lub VALVE MAIN tivthaiv, tsuas yog tshem tawm los ntawm lub valve npog, tsis tas yuav tshem lub cev. Lub valve lub cev thiab cov raj xa dej yog welded rau hauv ib qho, kom deb li deb tau los txo qhov xau ntawm lub thawv txias, kom ntseeg tau tias kev sib khi ntawm lub valve. Tsawg kub valve xaiv qhov kev nug tseem ceeb yuav tsum tau ua tib zoo saib Tsis tshua muaj kub valve hais txog lub valve uas tuaj yeem siv rau hauv qhov kub thiab txias. Feem ntau, lub valve uas nws ua haujlwm kub qis dua -40 ℃ yog hu ua qis kub valve. Tsawg kub valve yog ib qho tseem ceeb ntawm cov cuab yeej tseem ceeb hauv kev lag luam petrochemical, kev sib cais huab cua, roj thiab lwm yam lag luam. Nws qhov kev ua tau zoo txiav txim siab seb nws puas tuaj yeem tsim muaj kev nyab xeeb, kev lag luam thiab ruaj khov. Nrog rau txoj kev loj hlob ntawm cov cuab yeej siv niaj hnub no, kev siv lub valve tsis muaj qhov kub thiab txias ntau dua, qhov kev thov kuj tseem muaj ntau thiab ntau dua. Rau qhov kub siab tshaj -50 ℃, feem ntau tsis txhob siv lub caj dab ntev, rau qhov kub hauv qab -50 ℃ pob valve, caj dab ntev T raws li tus tsim thiab xam ntawm Yijie valve tuam txhab. Tsis tshua muaj kub pob valve yog tsuas yog siv rau cov zis ntawm cov kua uas tsis muaj kub tshaj tawm xws li ethylene, kua oxygen, kua hydrogen, liquefied natural gas, liquefied roj av khoom, thiab lwm yam., tsis tsuas yog flammable thiab tawg, tab sis kuj nyob rau hauv cua kub rau gasification, gasification. , ntim expansion ntau pua zaus. Cov khoom ntawm liquefied natural gas valve yog ib qho tseem ceeb heev, cov khoom tsis tsim nyog, yuav ua rau lub plhaub thiab sealing nto to los yog to; Cov khoom siv dav dav, lub zog thiab cov hlau tsis tuaj yeem ua tau raws li qhov xav tau ntawm kev siv lossis txawm tias tawg. Ua rau liquefied natural gas nruab nrab to. Yog li ntawd, nyob rau hauv tus txheej txheem ntawm kev tsim, tsim thiab tsim liquefied natural gas li qub, cov khoom yog thawj thiab tseem ceeb qhov teeb meem. Lub valve lub cev thiab npog txais yuav: LCB (-46 ℃), LC3 (-101 ℃), CF8 (304) (-196 ℃). Tsawg kub valve yuav tsum tau siv lub caj dab ntev valve npog qauv, nws lub hnub yog los txo cov sab nraud tuaj cua sov hauv lub cuab yeej; Xyuas kom meej tias qhov kub ntawm lub thawv ntim yog siab dua 0 ℃, kom cov ntim tuaj yeem ua haujlwm ib txwm; Tiv thaiv kom tsis txhob khov los yog khov ntawm qia thiab sab sauv ntawm lub kaus mom ntawm lub thawv ntim khoom vim tias lub thawv ntim khoom tau dhau los. Kev tsim ntawm lub caj dab ntev lub hau npog feem ntau yog tsim ntawm lub caj dab ntev L, L hais txog qhov kev ncua deb ntawm hauv qab ntawm lub thawv ntim khoom mus rau saum npoo ntawm lub rooj sib khi, nws muaj feem xyuam rau cov thermal conductivity ntawm cov khoom, lub thermal conductivity cheeb tsam thiab qhov chaw tshav kub dissipation coefficient, lub tshav kub dissipation cheeb tsam thiab lwm yam, lub xam yog ntau nyuaj, feem ntau tau los ntawm txoj kev sim. Cov xwm txheej ua haujlwm ntawm qhov qis-kub valve yog hnyav. Feem ntau ntawm cov xov xwm ua hauj lwm yog inflammable, explosive thiab permeable tshuaj. Qhov kub ua haujlwm qis tuaj yeem ncav cuag -269 ℃ thiab qhov siab tshaj plaws ua haujlwm siab tuaj yeem ncav cuag 10MPa. Yog li ntawd, kev tsim, tsim khoom thiab tshuaj xyuas ntawm qhov ntsuas kub tsis tshua muaj qhov sib txawv ntawm universal li qub. Ntau tus neeg, tsuas yog muab cov khoom siv valve uas tsis tshua muaj kub hlau yog ncaj qha suav hais tias yog cryogenic li qub, qhov tseeb, nws tsuas yog cov khoom siv cryogenic ntawm cov khoom tiav tiav, vim tias nws tsis tau tom qab kev kho cryogenic ntawm qhov kub thiab txias. cryogenic kev kho mob yog qhov nods eyeball cwj mem ntawm cryogenic li qub, cryogenic li qub nyob rau hauv cryogenic kho yog qhov tseem ceeb, thiaj li yuav xyuas kom meej tias tag nrho cov tsis tau raws li qhov yuav tsum tau, tshwj xeeb tshaj yog cov expansion coefficient, yuav tsis ua rau ntau yam valve daig nyob rau hauv kev siv. . Qee zaum hauv kev xav txog tus nqi ntawm qhov teeb meem, kuj yuav tsum xav txog qhov zoo ntawm lub valve. Tsawg kub valve yog lub valve tshwj xeeb. Tam sim no domestic feem ntau cryogenic li qub tsis yog tiag tiag tom qab kev kho mob cryogenic ntawm qhov kub thiab txias, tus nqi yuav kim, ntawm no kuv tuaj yeem muab rau koj ua haujlwm ntxhib, yog tias koj cov khoom siv cryogenic raug nqi siab, cov khoom siv cryogenic kim, thiab cov kua nitrogen cryogenic. Ntxiv nrog rau cov khoom tsim nyog thiab yog qhov chaw cia khoom tsis zoo, thiab siv lub valve hauv kev ua cov kua nitrogen ntau heev, Thiab cov kua nitrogen tsis pheej yig. Lub valve uas tsis tshua muaj kub uas tsim los ntawm qhov tshwj xeeb tsis tshua muaj kub kev kho mob, ntxhib machining qhov chaw nyob rau hauv lub txias nruab nrab rau ob peb teev (2-8 teev), tso tawm qhov kev ntxhov siab, xyuas kom meej qhov kub thiab txias ntawm cov khoom, xyuas kom meej qhov loj me me. tiv thaiv lub valve nyob rau hauv qhov kub tsis txias, vim qhov kub thiab txias hloov los ntawm deformation tshwm sim los ntawm qhov to ntawm qhov kub thiab txias valve. Qhov ntsuas kub qis qis xaiv qhov kev nug tseem ceeb uas xav tau kev saib xyuas: Txhawm rau ua kom lub valve zoo dua raws li cov neeg siv khoom xav tau, yog tias koj xav tau lub valve cryogenic, thov muab cov kev txwv tshwj xeeb uas koj paub 1. Lub npe ntawm qhov nruab nrab kub tsawg; 2. Qhov ntsuas kub ntawm qhov nruab nrab kub tsawg; 3. Koj yuav tsum tau kho qhov ntev ntawm lub caj dab ntev ntawm lub valve uas tsis tshua muaj kub, uas tsis yog muab raws li tus qauv ntawm lub valve; 4. Cov khoom ntawm qhov kub tsis tshua muaj siab (tuaj yeem ua raws li cov neeg siv khoom xav tau); 5. Tsawg kub valve siab; 6. Tsawg kub valve foob (mos foob lossis tawv foob); 7. Kev sib txuas hom (flange txuas lossis vuam); 8. Tsav hom (phau ntawv, pneumatic, hluav taws xob).