Cov khoom siv hluav taws kub ua cov khoom siv cua sov los hloov ib feem ntawm cov khoom siv cua sov ntawm cov neeg lub sijhawm txias, muaj lub zog, hluav taws xob kev lag luam thiab kev lag luam zoo nkauj thiab kev lag luam nuclear. Nws tuaj yeem siv tau ua cov khoom siv ywj pheej, xws li cua sov, lub tshuab xaws khoom, txias txias, thiab lwm yam .; Nws kuj tseem siv tau ua ib feem ntawm qee cov txheej txheem cov txheej txheem, xws li cov pa hluav taws xob hauv tshav kub hauv qee cov khoom siv tshuaj lom neeg.
Tshwj xeeb tshaj yog nyob rau hauv kev lag luam tshuaj lom neeg nrog kev siv hluav taws xob ntau, kev hloov pauv cua sov thiab hloov cov khoom siv siv tshuaj lom neeg siv khoom siv ntau.
Kev sib hloov cua sov los ntawm nws cov nuj nqi, ntawm ib sab tes, kom ntseeg tau tias cov txheej txheem kev lag luam ntawm qhov ntsuas kub, ntawm lwm tus siv hluav taws xob ntawm cov khoom siv tseem ceeb. Raws li nws cov qauv txheej txheem ntawm phaj kub hloov pauv, lub taub hau hluav taws xob hloov chaw kub thiab ua U-puab cov cua sov ua kom sov thiab lwm yam. Ntxiv nrog rau cov phaj kub ua kom sov, cov khoom seem yog rau lub plhaub thiab cov raj kub ua hluav taws xob.
Vim tias lub plhaub thiab cov raj cua sov hloov ib qho chaw nyob ib qho twg yog qhov zoo, muaj qhov zoo, tau ua cov kev siv cua sov ntau tshaj plaws ntawm cov cua sov.
Plhaub thiab cov raj cua kub sib pauv hauv cov cua sov ua kom sov thiab raj phaj sib txuas
Nyob rau hauv lub plhaub thiab lub raj cua kub Exchanger Tshav Kub Kub Kev Ua Pauv thiab Lub Raj Phaj Txiav Cov Khaub Ncaws Hnav thiab Lub Neej Kev Txom Nyem, yog cov kev pabcuam tshav kub lub neej yog qhov txuas kub.
Feem ntau ntawm cov cua sov sib pauv thiab tsis ua haujlwm nyob rau hauv cov cua sov ua kom muaj zog thiab kev sib txuas ntawm cov khoom siv hluav taws xob sib txuas tau zoo nyob rau hauv qhov tseem ceeb tshaj plaws tswj. Tam sim no cov kev ua kom sov ua kom muaj txheej txheem cua sov, cov raj cua cua sov
1. VUAM
Cov raj cua sov ua kom sov thiab cov raj phaj welded kev sib txuas, yog tam sim no kev tshuaj xyuas, yog qhov kev ntsuas hluav taws xob yooj yim, muaj cov raj sib txuas tau txuas nrog feem ntau dav siv txoj kev sib txuas. Hauv kev siv ntawm welded sib txuas, muaj kev sib txuas ntawm welded pob qij txha thiab tensile lub zog ntawm lub zog ntawm lub zog ua kom sov thiab raj phaj sib txuas sealing weld. Rau lub zog ntawm weld kev txwv kev txwv, tsuas yog rau kev co ntawm qhov me me thiab tsis muaj kev pom zoo corrosion sijhawm.
Welded kev twb kev txuas, qhov kev ncua deb ntawm cov raj cua sov tsis tuaj yeem muaj qee qhov deb, txhawm rau pab txo cov vuam kev ntxhov siab ntawm lwm tus. Qhov ntev ntawm cov cua sov ua kom nthuav tawm ntawm lub raj raj xa tawm ntawm lub raj raj yuav tsum ua kom tau raws li nws tau txais txiaj ntsig zoo. Nyob rau hauv lub vuam txoj kev, raws li cov khoom siv ntawm cov cua sov hloov thiab cov raj raj raj tuaj yeem welded los ntawm vuam pas vuam, kiv vuam, coo2 vuam thiab lwm txoj kev. Rau cov cua sov ua kom cov yeeb nkab thiab cov hlau raj phaj sib txuas ntawm cov kev ua kom sov, zoo li kev hloov pauv cua sov, thiab lwm yam yog tsim nyog siv Tige Vuam.
Cov kev sib txuas lus sib txuas ntxiv, vim muaj qhov sib txawv ntawm cov raj thiab cov raj raj rau cov pob qij txha thiab kev puas tsuaj, txhua yam uas yuav ua rau hluav taws kub ua tsis tau. Tam sim no, nyob rau hauv kev lag luam nuclear, kev sib tw siv cov raj kub vuam thiab cov raj xa pa tawm ntawm kev txhim kho kom huv thiab kev tawm tsam rau kev ntxhov siab corrosion muaj peev xwm. Nws cov kev ua kom muaj zog ua lub zog yog siab, tuaj yeem tiv thaiv kom sov thiab siab dua, thiab cov khoom siv tshuab ntawm cov pob qij nroj zoo dua; Cov pob qij txha tuaj yeem yog qhov tsis muaj kev puas tsuaj sab hauv, thiab qhov zoo ntawm Weld tuaj yeem tswj tau, uas txhim kho kev ntseeg tau ntawm Weld. Txawm li cas los xij, sab hauv VUAM TSHUAB sib dhos yog qhov nyuaj, high ua vuam technology, high ua rau vietchity, thiab tus nqi tsim khoom siab. Nrog rau cov cua sov ua kom sov siab dua, kev txhim kho siab thiab loj-ntsuas kev tsim kho yog siab dua thiab siab dua, kev siv tshuab vuam ntau dua.
2. Expansion
Kev nthuav dav yog ib txwm ua hluav taws xob ua pa thiab cov raj raj ua kom muaj cov khoom lag luam uas nthuav dav kom ua tiav kev sib raug zoo thiab tsis kam rub lub hom phiaj. Hauv kev tsim cov txheej txheem ntawm cov cua sov, nthuav dav yog qhov tsim nyog rau kev cai ua, tsis muaj kev hloov pauv ntau dhau, tsis muaj kev nyuaj siab ntxhov siab loj heev.
Tam sim no siv cov txheej txheem nthuav dav feem ntau muaj cov tshuab dov kev nthuav dav thiab nthuav dav. Neeg kho tshuab rolling expansion tsis yog niaj hnub, thaum lub raj thiab raj phaj tsis muaj peev xwm kho tau yooj yim heev; Kev siv lub hnab ua kua hydraulic ua haujlwm los ntawm kev ua haujlwm hauv computer, thiab tuaj yeem ua kom pom tseeb ntawm kev sib txuas ntawm kev sib txuas tau zoo dua li cov khoom siv tshuab tau zoo dua. Txawm li cas los xij, kev ua raws li kev ua tiav precision yuav nruj heev, kom ntseeg tau tias cov kev sib koom ua ntau kuj muaj qee qhov kev nyuaj, yog tias qhov kev nthuav dav tseem nyuaj dua.
3. Kev nthuav dav thiab vuam
Thaum qhov kub thiab lub siab yog siab, thiab hauv kev sib txuas cua sov, cov raj roj ua kom yooj yim heev, cov raj roj ua kom yooj yim los xyuas kom meej tias kev sib txuas lub zog thiab kev xav tau. Tam sim no dav siv yog qhov nthuav thiab vuam txoj kev. Kev nthuav dav thiab vuam cov qauv yuav ua tau zoo Dampen cov kev co kev puas tsuaj rau cov weld, txhim kho lub cev nqaij tawv ua rau muaj kev sib koom ua ke. Qhov no pab txhim kho lub neej pabcuam ntawm cov cua sov ua kom muaj zog, thiab muaj zog dua thiab sib khi dua qhov nthuav yooj yim lossis nthuav dav kev sib tw. Rau tej yam kub ua kom sov hluav taws xob feem ntau yog siv nyob rau hauv daim ntawv ntawm "kev nthuav tawm% lub zog ntxiv vuam"; Thaum siv cov mob hnyav ntawm cov cua sov ua kom muaj kev siv "lub zog nthuav tawm% sealing vuam" daim ntawv. Kev nthuav dav thiab vuam raws li kev nthuav dav thiab vuam hauv cov kev txiav txim siab tuaj yeem muab faib ua thawj zaug ntxiv ntawm ob hom kev nthuav dav ntawm ob hom.
(1) Thawj qhov nthuav dav tom qab lubricating ntawm cov roj lubricating siv yuav nkag mus rau hauv kev sib tsoo, porosity, thiab lwm yam. Cov kev nkag mus rau hauv qhov sib txawv ntawm cov roj yog qhov nyuaj rau tshem kom ntxuav, yog li thawj zaug nthuav dav tom qab kev nthuav dav. Kev siv cov tshuaj txhuam ntxiv tsis yog cov zog-resistant, tab sis tuaj yeem tshem tawm cov kev sib txawv ntawm lub raj thiab lub raj tso tawm cov pas dej ntawm lub raj ntawm lub raj.
Txawm li cas los xij, kev siv phau ntawv qhia lossis kho tshuab tswj tau cov txheej txheem nthuav dav ua ke, thiab kev sib zog ua kom tiav kom ua tiav cov tseev kom muaj expansion. Nyob rau hauv vuam, vim hais tias muaj kev cuam tshuam ntawm cov hlau kub molten, cov gap roj yog qhov kub thiab kub sai sai thiab kev kub siab hauv kev nthuav dav ntawm kev ua kom muaj kev puas tsuaj.
(2) Thawj Weld thiab tom qab ntawd nthuav tawm thawj peb tus txheej txheem Weld thiab tom qab ntawd cov teeb meem tseem ceeb yog los tswj qhov tseeb ntawm lub raj thiab raj phaj qhov thiab nws txoj kev sib koom tes. Thaum qhov sib txawv ntawm lub raj thiab lub raj phaj phaj yog me me rau qee tus nqi, kev nthuav dav yuav tsis puas tsuaj rau kev sib koom ua ke welded. Tab sis lub peev xwm ntawm weld qhib shear quab yuam yog tus tsis zoo, yog tias kev tswj hwm vuam, nws yuav ua rau muaj kev tsis txaus siab lossis nthuav dav ntawm welded sib koom ua ke puas tsuaj.
Nyob rau hauv kev tsim khoom lag luam, muaj qhov sib txawv loj ntawm cov cheeb tsam uas muaj lub tshuab ua cua sov thiab cov raj phaj sib hloov ntawm lub qhov sib txawv ntawm cov kev taw qhia tsis zoo. When the weld is completed expansion, the tube centerline must coincide with the centerline of the tube plate hole to ensure the quality of the joint, if the gap is large, due to the rigidity of the tube, excessive expansion deformation will produce damage to the welded joints, or even cause the weld joints to be desoldered.
4. Quav qis ntxiv nthuav kev sib koom ua ke
Gluing thiab nthuav cov txheej txheem los pab daws cov cua sov ua kom zoo dua qub, nws yog qhov tseem ceeb kom ua rau cov kev ua haujlwm kom yog ntawm kev xaiv tus neeg sawv cev. Nyob rau hauv cov txheej txheem ntawm kev siv cov txheej txheem yuav tsum tau ua ke nrog tus qauv thiab kev kho kom sov, nrog rau kev kho kom sov, thiab lwm yam kev tsim kho yog tswj tau nruj me ntsis. Cov txheej txheem no yooj yim, yooj yim siv, txhim khu kev qha, nyob rau hauv kev siv ntawm cov lag luam tau raug lees paub, muaj tus nqi ntawm kev nce qib.
Tag
(1) Hauv lub plhaub thiab cov raj cua kub Exchanger Tshav Kub Kub Exchanger txoj kev ua kom haum rau kom ntseeg tau tias kev sib txuas lub zog thiab kev xav tau.
(2) Kev nthuav dav thiab vuam txoj kev muaj zog los ua kom muaj zog thiab sib txuas ntawm cov cua sov ua kom muaj zog thiab cov raj mis ua haujlwm ntawm cov cua sov.
(3) tus qauv ntawm gluing thiab nthuav tawm pab daws cov teeb meem ntawm kev nqus dej sov thiab cov txheej txheem raj yooj yim, yooj yim thiab txhim khu kev qha.
(4) Raws li tag nrho cov kev nkag mus rau vuam vuam, lub qhov hluav taws xob vuam ua kom zoo dua qub thiab kev ua kom muaj zog ntawm cov khoom siv welded; Sab hauv zoo ntawm welded pob qij txha tuaj yeem tswj tau, uas txhim kho kev ntseeg tau ntawm welded pob qij txha, thiab nws yog qhov tsim nyog rau cov khoom lag luam high-end-end-end-end-end-end-end-end.
