Tattaunawa akan zabi na flange gasket (IV)

Aikace-aikacen takardar rubber na asbestos a cikin masana'antar rufe bawul yana da fa'idodi masu zuwa:

Ƙananan farashi: Idan aka kwatanta da sauran kayan aikin hatimi mai girma, farashin takardar roba na asbestos ya fi araha.

Juriya na sinadarai: takardar roba ta asbestos tana da kyakkyawan juriya na lalata ga wasu matsakaici tare da ingantattun kaddarorin sinadarai, wanda zai iya biyan bukatun yanayin aiki na gaba ɗaya.

石棉橡胶板

Sauƙaƙan kulawa: Saboda takardar rubber na asbestos yana da sauƙin sarrafawa da maye gurbin, ya fi dacewa don kiyaye bawul.

Babbar matsalar takardar roba ta asbestos ita ce, duk da cewa an saka kayan gasket da roba da wasu filaye, amma har yanzu ya kasa cika qananan kurajen da ke haxawa gaba xaya, kuma akwai alamar shiga. Don haka, a cikin matsakaicin ƙazamin ƙazanta, ko da matsi da zafin jiki ba su da yawa, ba za a iya amfani da su ba. Lokacin da aka yi amfani da shi a wasu kafofin watsa labaru masu zafi mai zafi, yawanci a cikin lokacin amfani da shi, saboda carbonization na roba da filler, ƙarfin yana raguwa, kayan ya zama sako-sako, kuma akwai shigar a cikin dubawa da kuma cikin gasket, kuma akwai coking da hayaki. Bugu da ƙari, takardar rubber na asbestos yana da sauƙi a ɗaure zuwa saman flange sealing a babban zafin jiki, wanda ke kawo matsala mai yawa ga maye gurbin gasket.

橡胶板4A cikin yanayin zafi, matsa lamba na gasket a cikin kafofin watsa labaru daban-daban ya dogara da ƙarfin riƙewa na kayan gasket. Akwai ruwan kristal da ruwa mai yaduwa a cikin kayan fiber na asbestos. A 110 ℃, 2/3 na adsorbed ruwa tsakanin zaruruwa da aka precipitated, da tensile ƙarfi na zaruruwa an rage da game da 10%. A 368 ℃, duk adsorbed ruwa precipitates fita, da tensile ƙarfi na fiber da aka rage da game da 20%. Sama da 500 ℃, ruwan crystalline ya fara hazo, kuma ƙarfin yana ƙasa.

Asbestos roba takardar ƙunshi chloride ions da sulfide, sauki samar da lalata galvanic Kwayoyin tare da karfe flanges bayan ruwa sha, musamman sulfur abun ciki na mai-resistant asbestos roba takardar ne sau da yawa fiye da na talakawa asbestos roba takardar, don haka ba dace. don amfani a kafofin watsa labarai marasa mai. Gaskets za su kumbura a cikin mai da kafofin watsa labarai masu ƙarfi, amma a cikin wani takamaiman kewayon, babu wani tasiri a kan aikin rufewa.

Duk da haka, yana da mahimmanci a lura cewa an gano asbestos a matsayin abu mai haɗari, kuma amfani da zanen roba na asbestos na iya haifar da haɗari ga lafiya da muhalli.


Lokacin aikawa: Satumba-01-2023