Chemical lalata na tace jakar ne mafi yawa: lalata na acid dew point da lalata na sulfuric acid aerosol. Yanayin kwal saboda canje-canje na kasuwar kwal, nau'in kwal ya canza, sulfur na kwal ya karu sosai, daga asalin shiga jakar tacewa ta hayaki SO₂: 800 ~ 3000mg / Nm³, ya karu zuwa: 800 ~ 4500mg / Nm³, kuma akwai wani ɓangare na lokacin shiga jakar tacewa ta hayaki SO₂ a kusan 4000mg / m³ a cikin yanayin aiki, hayaki ya fi girma a cikin SO₂, hayaki ya fi girma a cikin dew point, mai cire ƙura yana da abubuwan da ke faruwa a lokacin amfani, tare da lalacewar gas mai acid a kan jakar tacewa, jakar tacewa _ mai sauƙin rasa ƙarfi. Amsa da tasirin lalata na sinadarai, kayan tacewa masu alaƙa da aka yi amfani da su a tashar wutar lantarki, PTFE ya fi PPS da P84.
2. Oxidation abubuwa
wutar lantarkiBoiler ƙura remover Cloth jakaTara jakar da aka zaɓa tace kayan ne PPS fiber + PTFE substrate, fuska layer ne PPS fiber. PPS tace alkali juriya, acid juriya aiki ne mafi kyau, amma rauni antioxidant aiki ne mafi rauni. Don tabbatar da PPS tace aiki rayuwa ba kasa da 3000h, _ ya kamata a yi amfani da shi a cikin yanayin da hayaki gas zafin jiki ba fiye da 150 ℃, oxygen abun ciki ba fiye da 8%, da NO₂ ba fiye da 15mg / m³.
PTFE fiber, P84 fiber oxidation juriya ne mafi kyau fiye da PPS fiber.
3. Hydrolysis abubuwa
Hydrolysis shine aikin lalacewa da mahada ke taka ta hanyar amsawar ruwa. PPS, PTFE ba hydrolysis, P84 sauki hydrolysis. A cikin tacewa jakar aikace-aikace, wasu wutar lantarki tashar da aka yi amfani da shi ne don haɗa ƙananan adadin P84 fiber haɗuwa allura a cikin PPS tacewa kayan gargajiya, zai iya inganta tacewa jakar daidaito. Amma matsalar hydrolysis mai sauƙi don ƙonawa da zafi ya fi girma, yana buƙatar la'akari da abubuwan da ke faruwa a hankali. PPS, PTFE ba zai yi hydrolysis a kan batun hydrolysis.
4. zafin jiki factor
Kayan tacewa da aka yi da kayan albarkatun kasa daban-daban suna da damar jure zafin jiki na dogon lokaci daban-daban. Wasu tsohuwar wutar lantarki tashi taba zafin jiki ne mafi girma, bazara zafin jiki a kusa da 170 ℃, a dogon lokaci high zafin jiki gudu, da tace jakar kawai amfani da 14000h, kasa da shekaru biyu _ gano yawan karya jakar, gyara dalilin da ya sa _ ne taba tashi zafin jiki ne too high, lalata tace jakar.
PPS, P84, PTFE uku tace kayan aiki, PPS ainihin dogon lokaci jure zafin jiki ne kasa da 160 ℃, P84, PTFE dogon lokaci jure zafin jiki kusan 200 ℃. Don wannan, a lokacin da zaɓar tace jakar _ yi la'akari da tasirin da boiler hayaki zafin jiki a kan tace kayan.
5. zafi shrinkage factor na tacewa kayan
Tun da wutar lantarki tashar boiler dust remover kaya jakar tacewa aka yi mafi yawa da sinadarai fiber, a cikin zafin jiki yanayin tacewa kayan zai faru zafi raguwa, don haka tacewa kayan samar da zafi shafi magani, zafi shafi tsari ne mai mahimmanci. Wasu wutar lantarki tashar boiler jakar irin dust remover tufafi jakar, daga gwajin rahoton ya gano cewa tace jakar da jakar cage lalacewa da juna haifar da tace jakar bayyana da yawa daga ciki zuwa waje karya rami da kuma da yawa vertical reinforcement shugabanci karya, hukunci da kuma zafi shrinkage rate da dangantaka. Don wannan, lokacin samar da kayan tacewa, ana buƙatar ƙimar zafi na kayan tacewa a ƙarƙashin 200 ℃ <1%, ƙimar zafi na kayan tacewa ba za a iya watsi da su ba.