Nrog rau txoj kev loj hlob ntawm kev lag luam pipeline, cov ntaub ntawv tshiab tau maj mam teev nyob rau hauv kev ua lag luam. Raws li cov khoom lag luam muaj txiaj ntsig hauv kev lag luam thermal rwb thaiv tsev, polyurethane ncaj qha faus thermal rwb thaiv tsev yeeb nkab muaj cov yam ntxwv zoo thermal rwb thaiv tsev thiab kev ua haujlwm zoo. Nws yog dav siv los ntawm tib neeg thiab kuj tau lees paub los ntawm cov neeg siv. Yam twg ntawm polyurethane thermal rwb thaiv tsev yeeb nkab yog siv los ua cov yeeb nkab faus ncaj qha? Nws yog ib qho tsim nyog yuav tau ua txoj haujlwm zoo ntawm kev nyab xeeb thaum tsim kho, thiab kev ceev faj thaum tsim kho kuj tseem ceeb heev. Hauv qab no, kuv yog polyurethane ncaj qha faus thermal rwb thaiv tsev yeeb nkab.

Thaum pib kev tsim kho ntawm cov yeeb nkab polyurethane ncaj qha-faus rwb thaiv tsev, qhov flatness ntawm qhov zawj thiab qhov qhuav ntawm qhov zawj yuav tsum tau kuaj xyuas ua ntej, thiab 200mm tuab zoo xuab zeb yuav tsum tau muab los ua lub cushion tib lub sijhawm, thiab ob kawg ntawm polyurethane ncaj-faus rwb thaiv tsev yeeb nkab yuav tsum tau siv. Shrouded nyob rau hauv nplua xuab zeb. Qhov no yog rau kev yooj yim ntawm kev tsim kho thiab kev nyab xeeb ntawm polyurethane rwb thaiv tsev kav.

Feem ntau tom qab cov yeeb nkab polyurethane raug teeb tsa, qhov ntsuas dej siab yuav tsum tau ua. Tom qab dhau qhov kev ntsuam xyuas dej siab, qhov kev kho mob cuam tshuam tuaj yeem ua tiav. Thaum lub sij hawm ntawm lub interface foaming kev kho mob, lub qhov ncauj ntxuav ntawm lub interface steel yeeb nkab yuav tsum tau guaranteed. Qhov no yog los nqa qhov siab. Kev nyab xeeb ntawm polyurethane rwb thaiv tsev kav.

Tom qab ntawd, thaum lub polyurethane rwb thaiv tsev yeeb nkab nkag mus rau hauv lub tsev los yog lub trench, nws yuav tsum tau ntxiv los ntawm cov phab ntsa casing los xyuas kom meej kev ruaj ntseg ntawm cov kav dej. Yog lawm, kev teeb tsa ntawm polyurethane rwb thaiv tsev yeeb nkab yog yooj yim, tab sis qee qhov kev ceev faj yog tus yuam sij rau kev txhim kho kev nyab xeeb ntawm cov kav dej, yog li koj yuav tsum tau them sai sai rau qhov kev ua haujlwm zoo no thaum txhim kho polyurethane rwb thaiv tsev yeeb nkab.