Halayen microporous calcium silicate board

Matsakaicin adadin silicate na alli yana da kusan 100-2000kg/m3.Samfuran masu nauyi sun dace da amfani azaman rufi ko kayan cikawa;samfurori tare da matsakaicin yawa (400-1000kg / m3) ana amfani da su a matsayin kayan bango da kayan rufewa;samfurori tare da nauyin 1000kg / m3 da sama suna amfani da su a matsayin kayan bango, Amfani da kayan ƙasa ko kayan rufewa.Ƙarfafawar thermal ya dogara da yawa na samfurin, kuma yana ƙaruwa tare da haɓakar yanayin zafi.Calcium silicate abu yana da kyakkyawan juriya na zafi da kwanciyar hankali na thermal, da kyakkyawan juriya na wuta.Abu ne da ba zai iya konewa ba (GB 8624-1997) kuma ba zai samar da iskar gas mai guba ko hayaki ba har ma a yanayin zafi.A cikin ayyukan gine-gine, ana amfani da silicate na alli a ko'ina azaman abin rufe fuska don katako tsarin ƙarfe, ginshiƙai da ganuwar.Calcium silicate refractory allon za a iya amfani da matsayin bango surface, dakatar rufi da ciki da kuma na waje kayan ado a talakawa gidaje, masana'antu da sauran gine-gine da kuma karkashin kasa gine-gine da wuta-hujja bukatun.

Microporous alli silicate wani irin thermal rufi sanya daga siliceous kayan, alli kayan, inorganic fiber ƙarfafa kayan da kuma babban adadin ruwa bayan hadawa, dumama, gelation, gyare-gyaren, autoclave curing, bushewa da sauran matakai.Abubuwan da ke rufewa, babban ɓangaren sa shine hydrated silicic acid da calcium.Dangane da samfuran hydration daban-daban na samfurin, yawanci ana iya raba shi zuwa nau'in tobe mullite da nau'in xonotlite.Saboda nau'o'in albarkatun kasa daban-daban, haɗakar ma'auni da yanayin sarrafawa da aka yi amfani da su, kayan jiki da na sinadarai na calcium silicate hydrate da aka samar su ma sun bambanta.
Akwai nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan kristal guda biyu da ake amfani da su azaman kayan rufewa.Daya shine nau'in torbe mulite, babban bangarensa shine 5Ca0.6Si02.5H2 0, zafi-resistant zafin jiki ne 650 ℃;ɗayan shine nau'in xonotlite, babban sashinsa shine 6Ca0.6Si02.H20, mai jure zafi Zazzabi na iya kaiwa 1000°C.

Microporous alli silicate rufi abu yana da abũbuwan amfãni daga haske girma yawa, high ƙarfi, low thermal watsin, high amfani zafin jiki, da kuma kyau wuta juriya.Yana da wani nau'i na toshe kayan rufin zafi tare da mafi kyawun aiki.Yana daya daga cikin kayan da aka fi amfani da su a masana'antu a kasashen waje, kuma ana samar da kayayyaki masu yawa da kuma amfani da su a kasar Sin.

Silica kayan abu ne da silicon dioxide a matsayin babban bangaren, wanda zai iya amsa tare da alli hydroxide a karkashin wasu yanayi don samar da wani ciminti, yafi hada da calcium silicate hydrate;kayan calcium kayan aiki ne tare da calcium oxide a matsayin babban sashi.Bayan hydration, zai iya amsawa da silica don samar da siminti, galibi hydrated calcium silicate.A cikin kera microporous calcium silicate insulation kayan, da siliceous albarkatun kasa kullum amfani da diatomaceous ƙasa, sosai m ma'adini foda za a iya amfani da, da kuma bentonite kuma za a iya amfani da;kayan albarkatun calcium gabaɗaya suna amfani da lemun tsami da lemun tsami wanda aka narkar da su ta hanyar dunƙule foda ko lemun tsami, sharar masana'antu irin su calcium carbide slag, da sauransu kuma ana iya amfani da su;Ana amfani da zaruruwan asbestos gabaɗaya azaman ƙarfafa zaruruwa.A cikin 'yan shekarun nan, an yi amfani da wasu filaye irin su alkali-resistant gilashin fibers da kwayoyin sulfuric acid fibers (irin su filaye na takarda) don ƙarfafawa;Babban abubuwan da ake amfani da su a cikin tsari sune ruwa: gilashi, soda ash, aluminum sulfate da sauransu.

Matsakaicin albarkatun albarkatun don samar da silicate na alli shine gabaɗaya: CaO/Si02=O.8-1.O, abubuwan ƙarfafa zaruruwa suna lissafin 3% -15% na jimlar adadin silica da kayan alli, abubuwan ƙari suna lissafin 5%-lo y6, da ruwa 550%-850%.Lokacin samar da kayan tobe mullite-type microporous calcium silicate insulation abu tare da zafin jiki mai jure zafi na 650 ℃, tururin da ake amfani da shi gabaɗaya shine o.8~1.1MPa, dakin riƙon shine 10h.Lokacin samar da xonotlite-type microporous calcium silicate kayayyakin tare da zafi-resistant zafin jiki na 1000 ° C, albarkatun kasa da mafi girma tsarki ya kamata a zaba don yin CaO / Si02 = 1.O, tururin matsa lamba ya kai 1.5MPa, kuma lokacin riƙewa ya kai fiye da 20h, sa'an nan kuma za a iya kafa lu'ulu'u na nau'in xonotlite-type calcium silicate hydrate.

Halayen allon silicate na Calcium da kewayon aikace-aikace
Microporous calcium silicate thermal rufi abu yafi yana da wadannan halaye: da amfani zafin jiki ne high, da kuma amfani da zazzabi iya isa 650 ° C (I type) ko 1000 ° C (nau'in II) bi da bi;② Abubuwan da ake amfani da su na asali ne duka Abu ne na inorganic wanda ba ya konewa, kuma yana cikin kayan Ajin da ba sa ƙonewa (GB 8624-1997).Ba zai haifar da iskar gas mai guba ba ko da lokacin da wuta ta faru, wanda ke da matukar amfani ga lafiyar wuta;③ Low thermal conductivity da kuma mai kyau rufi sakamako ④ Low girma yawa, high ƙarfi, sauki aiwatar, za a iya sawed da yanke, dace da on-site yi;⑤ Kyakkyawan juriya na ruwa, babu lalacewa da lalacewa a cikin ruwan zafi;⑥ Ba sauƙin tsufa, tsawon rayuwar sabis;⑦ Jiƙa shi a Lokacin da yake cikin ruwa, sakamakon ruwan da aka samo shi ne tsaka tsaki ko raunin alkaline, don haka ba zai lalata kayan aiki ko bututu ba;⑧A albarkatun ƙasa suna da sauƙin samu kuma farashin yana da arha.
Saboda microporous calcium silicate abu yana da abubuwan da aka ambata a sama, musamman ma fitaccen zafinsa, juriya, rashin konewa, kuma babu sakin gas mai guba, an yi amfani da shi sosai wajen gina ayyukan kare wuta.A halin yanzu, an yi amfani da shi sosai a masana'antu daban-daban kamar ƙarfe, masana'antar sinadarai, wutar lantarki, ginin jiragen ruwa, gine-gine, da dai sauransu. Ana amfani da shi azaman kayan kariya na zafi akan na'urori daban-daban, bututu da na'urorin haɗi, kuma yana da kariya ta wuta. aiki.


Lokacin aikawa: Dec-02-2021