Hauv cov txheej txheem kev lag luam khoom siv. Lub phaj kub exchanger yog ib qho khoom siv uas yuav tsum tau muaj kev nyab xeeb siab. Thaum lub gasket puas lawm. Sab nraud dripping yog pom. Kub exchangers. Thaum tshav kub kub exchangers, tshav kub exchangers, thiab lwm yam yuav pib qhia me me drips. Nyob rau hauv cov txheej txheem cov khoom siv nrog kev kub siab shocks. Cov xau loj tuaj yeem tshwm sim los ntawm kev puas tsuaj gasket.
Txawm nyob rau hauv phaj kub exchangers. Teeb meem tuaj yeem tshwm sim nyob rau hauv ib xyoos. Lawv yuav tsum tau kho. Tshwj xeeb tshaj yog nws cov ntsaws ruaj ruaj. Nws yog ib qho tseem ceeb kom pom tias nws tau los xoob. Nyob rau hauv tsab xov xwm no peb yuav piav qhia txog cov kev txiav txim siab thaum tuav lub phaj kub exchanger.
Lub phaj kub exchanger yog ib qho tseem ceeb ntawm cov khoom siv hluav taws xob sib pauv hauv cov txheej txheem kev lag luam. Lub elastomeric gasket, uas ntsaws nruab nrab ntawm tus neeg phaj fins, yog ib feem ntawm hnav. Nws kuj yog ib qho kev tivthaiv uas cuam tshuam rau kev puas tsuaj nyob rau hauv tej yam ntuj tso. Nws lub neej kev pabcuam muaj kev cuam tshuam tseem ceeb ntawm kev pabcuam lub neej ntawm lub phaj kub exchanger. Yog tias cov ntsaws ruaj ruaj harden thermally. Lawv poob lawv elasticity. Qhov no tuaj yeem ua rau lub tshav kub exchanger tsis ua haujlwm zoo.
Cov hauv qab no muaj kev cuam tshuam tseem ceeb rau kev ua haujlwm lub neej ntawm elastic gasket.
■ Hom kev khiav hauj lwm ntawm lub tshav kub exchanger (nruam los yog tsis tu ncua)
■ Cov corrosiveness ntawm qhov nruab nrab siv rau cov cua kub dissipation thiab cov tshuaj ntxuav siv
■ Qhov siab tshaj plaws ua haujlwm kub
■ Ua haujlwm siab tshaj plaws
■ Kev ntxhov siab siab ntawm lub elastomeric gasket vim muaj kev kub ntxhov ntau dhau thiab tsis sib xws
■ Ntuj laus
Lub softening ntawm elastic gasket yog siab thiab kub nyob ntawm seb. Thaum lub gasket poob nws elasticity. Lub tshav kub exchanger yuav drip. Hauv qee cov khoom. Yuav kom daws tau qhov teeb meem ntawm dripping los ntawm kev laus ntawm lub gasket. Nws raug tso cai los kho qhov kev sib khi ntawm cov khoom siv hluav taws xob. Qhov no txhais tau hais tias cov bolts ntawm cov phaj sib xyaw ua ke kub hloov pauv tau nruj dua. Kho lub siab ntawm lub elastic gasket ntawm tus neeg kub exchangers. daws teeb meem dripping. Nyob rau lub npe ntawm lub tshav kub exchangers nrog rau qhov no muaj nuj nqi. Qhov siab tshaj plaws thiab yam tsawg kawg nkaus tso cai kev ntxhov siab feem ntau yog muab rau ntawm lub npe ntawm cov khoom siv hluav taws xob nrog cov haujlwm no. Rau cov khoom siv hluav taws xob tshiab. Qhov tsawg kawg nkaus tso cai kev ntxhov siab yuav tsum tau siv los tiv thaiv kev sib txuas. Nyob ntawm seb muaj pes tsawg lub tshav kub exchanger phaj nyob rau hauv txhua pab pawg neeg. Lub zog nruj ntawm lub tshav kub exchanger tuaj yeem hloov kho ib lossis ntau zaus. Txhua zaus koj nruj. Cov txiv ntseej tuaj yeem ntsia tau rau hauv 3 hli thiab qhov kev ntxhov siab ntawm qhov hloov kho yuav tsum tau saib xyuas thoob plaws hauv cov txheej txheem nruj. Tsis tas li ntawd. Tsuas yog cov khoom siv hluav taws xob uas tsis muaj kev ua haujlwm siab tau tso cai. Kho lub zog nruj ntawm chav tsev kub. Tiv thaiv kom tsis txhob ntog.
Rau phaj kub exchangers qhov twg qhov kev ntxhov siab hloov ntau yam tsis muab rau hauv lub npe phaj. Cov txiaj ntsig kev ntxhov siab feem ntau yog muab rau hauv cov duab kos. Thaum nruj xws li phaj kub exchangers. Lub torque nruj yuav tsum nyob rau hauv tsis muaj cov ntaub ntawv tsawg tshaj li tus nqi teev nyob rau hauv daim duab. Qhov no yog vim nws muaj feem xyuam rau qhov zoo ntawm kev sib dhos ntawm cov phaj kub exchanger. Lub deformation ntawm lub rooj sib txoos yog cuam tshuam. Thaum lub zawm torque tau mus txog qhov xav tau tus nqi. Tom qab ntawd lub elastic gasket tuaj yeem hloov pauv tau. Rau phaj kub exchangers siv nyob rau hauv cov chaw tsim khoom tseem ceeb thiab hauv xov xwm corrosive. Nws raug pom zoo kom muaj cov khoom seem ntawm cov ntsaws ruaj ruaj. Nyob rau hauv lub warehouse kub ntawm 18 degrees. Nyob rau hauv pob tshab ntim. Cov ntsaws ruaj ruaj ntawm lub phaj kub exchanger tuaj yeem khaws cia txog li 3 xyoos.
Txhim kho cov ntsaws ruaj ruaj
Hauv paus ntsiab lus. Kev kho cov ntsaws ruaj ruaj yog muab faib ua ob pawg: kho cov nplaum thiab tsis nplaum. Cov duab ntawm lub gasket yuav tsum ua raws li cov duab ntawm lub phaj kub exchanger foob. Nws yuav tsum raug sau tseg tias txoj kev kho cov nplaum nplaum tsis muaj kev cuam tshuam rau kev sib khi ua haujlwm.
Tsis-adhesive sealing
▪ Kev sib dhos: muab lub foob rau hauv qhov chaw
▪ Muab tso rau hauv: lub foob raug muab tso rau hauv qhov chaw sib khi
▪ Nias: nyob rau hauv lub sealing zawj. Muaj grooves ntawm kev txo qis ntu ntu. kom tso cai rau lub foob kom raug
Bonded seals
Nyob ntawm lub hom phiaj ntawm lub gasket thiab lub foob zoo yuav tsum tau. Nyob ntawm seb lub hom phiaj ntawm lub gasket thiab qhov zoo ntawm lub foob yuav tsum tau siv, ib qho kev sib xyaw ntawm cov sealants thiab tsis sib xyaw sealants los ntawm cov tuam txhab sib txawv tuaj yeem siv. Ua ntej kev sib raug zoo. Cov nplaum nplaum thiab gasket residues yuav tsum tau muab tshem tawm kom huv si los ntawm qhov chaw sib txuas uas siv cov kwj deg. Rau kev sib xyaw sealant sib txuas. Cov nplaum nplaum seem thiab gasket yuav tsum tau muab tshem tawm los ntawm hluav taws. Thaum sib txuas ntau ntau. Lub pas dej ua kua nitrogen yuav tsum tau npaj kom khov cov ntsaws ruaj ruaj. Npaj lub qhov cub cua sov kom qhuav lub phaj kub exchanger nrog gasket. Cov cua kub yuav tsum yog 160 degree. Yog muaj. Tshuaj ntxuav lub phaj kub exchanger yuav tsum tau nqa tawm. Qhov no ua kom ntseeg tau tias lub gasket raug tshem tawm tag nrho los ntawm cov khoom sib txuas ntawm lub phaj kub exchanger.
Kev txhim kho kom raug ntawm lub gasket tuaj yeem pom los ntawm kev saib los ntawm lub beehive ntawm lub phaj kub exchanger.
Qhov sib koom ua ke ntawm cov phaj kub hloov pauv yuav tsum tau muab ntxuav nrog tshuaj ntxuav (xws li nrog acetone). Ib yam li ntawd. Cov softeners thiab anti-adhesive coatings bonded rau lub gasket yuav tsum tau muab tshem tawm nrog ib tug tshuaj ntxuav. Cov nplaum yog siv rau nruab nrab ntawm txhua qhov sib txuas. Nyob ntawm qhov dav ntawm lub gasket. Qhov dav ntawm cov nplaum yog kwv yees li qhov dav ntawm qhov sib tw. Tom qab ntawd cov nplaum yog kis tusyees hla tag nrho cov khoom sib txuas nrog txhuam. Tag nrho qhov chaw sib txuas yog siv tag nrho. Nyob ntawm seb hom nplaum. Cia ib lub sijhawm rau huab cua kom qhuav. Tom qab ntawd lub gasket muab tso rau. Muab cov phaj kub exchangers rau ntawm ib leeg. Tighten nrog ib tug tensioning ntsia hlau. Xwb, ib qho hnyav tuaj yeem muab tso rau ntawm pawg sib hloov hluav taws xob sib txuas. Nyob ntawm seb hom kev sib txuas ntawm tus neeg sawv cev. Lub sij hawm hardening yog kwv yees li 8-20 teev. Rau blended adhesives. Lub hardening yog nqa tawm los ntawm cov ntsia hlau tensioning thiab cua sov nyob rau hauv lub cub tawg.
