Calcium silicate (microporous calcium silicate) rufi kayan da aka yi da silicon dioxide foda abu (quartz sand foda, diatomaceous ƙasa, da dai sauransu), calcium oxide (kuma da amfani ga gilashin fiber weft, da dai sauransu) a matsayin babban albarkatun kasa, sa'an nan kuma ƙara. ruwa , Auxiliaries, gyare-gyare, autoclave hardening, bushewa da sauran matakai.Babban kayan silicate na calcium sune ƙasa diatomaceous da lemun tsami daga Shen.A ƙarƙashin matsanancin zafin jiki da matsanancin matsin lamba, halayen hydrothermal yana faruwa, wanda ya bambanta da albarkatun ƙasa da aka yi amfani da su azaman ƙarfafa fibers da kayan taimako na coagulation, rabo ko yanayin tsarin samarwa, da samfuran da suka haifar da sinadarai da kaddarorin jiki na silicate na alli suma. daban.
Calcium silicate da aka yi amfani da shi a cikin kayan rufewa yana da sifofin crystal guda biyu daban-daban.Kamfanin Owence Coming Glass Fiber Corporation ne ya fara kirkiro Calcium silicate a Amurka a wajajen 1940.Gwaji, samfurin sunan kaylo (kaylo), ana amfani da shi a masana'antu da rufin gini.Tun daga wannan lokacin, Birtaniya, Japan, da tsohuwar Tarayyar Soviet sun gudanar da bincike da samarwa.Daga cikin su, Japan ta ci gaba da sauri, kuma yawan samfurin ya ragu daga 350kg / m3 zuwa 220kg / m3.Don samfuran nau'ikan kayan kwalliya na Tobel waɗanda ke ƙasa da 650 ℃, Japan ta samar da samfuran haske mai ɗorewa tare da yawan 100-130kg / m3.A cikin samfuran da aka yi amfani da su a cikin masana'antar masana'anta ta thermal a Japan, calcium silicate yana da kusan kashi 70%.Amurka ta samar da silicate mai ƙarfi mai ƙarfi tare da ƙarfin sassauƙan> 8MPa, wanda ake amfani da shi azaman gasket don dakatar da bututun mai.
A farkon 1970s, ƙasata ta samar kuma ta yi amfani da samfuran tobermorite irin na calcium acid thermal insulation kayayyakin da ke ƙasa da 650 ° C, kuma ta yi amfani da asbestos a matsayin fiber mai ƙarfafawa, galibi ana ƙera su ta hanyar jefawa, tare da yawan 500-1000kg/m.30 Bayan shekarun 1980, an sake fitar da shi.Hanyar ita ce tsarin gyare-gyaren matsawa, wanda ke inganta ingancin ciki da kuma bayyanar da samfurin kuma yana rage yawa zuwa ƙasa da 250kg / m3.An fara samar da samfuran da ba asbestos calcium silicate thermal insulation kayayyakin a cikin shekara 1, kuma ya fara fitar da wani ɓangare na shi.
Tun daga shekarun 1970 zuwa yanzu ana amfani da kayan silicate na siliki.Dangane da gyare-gyare, ya samo asali daga simintin gyare-gyare zuwa gyare-gyaren matsawa;dangane da kayan abu, ya haɓaka daga asbestos calcium silicate zuwa asbestos-free calcium silicate;dangane da aiki, an haɓaka shi daga silicic acid na gabaɗaya.Calcium ya haɓaka zuwa silicate na siliki mai haske mai ƙarfi da silicate mai ƙarfi mai ƙarfi.A halin yanzu, yana da madaidaicin kayan rufewa na thermal a tsakanin kayan wuya.
Bayan binciken kimiyya, an sami nasarar samar da kayan aikin musamman da ke jure zafin jiki da kuma mannen zafin jiki don samfuran silicate thermal insulation, kuma an yi amfani da su sosai, wanda ke magance matsalar cewa samfuran silicate na calcium ba za a iya shafa su da kayan ƙasa na yau da kullun ba.
Halayen kayan kariya na silicate na calcium
Samfuran suna da haske da sassauƙa, ƙaƙƙarfan lalata, ƙarancin ƙarancin zafin jiki, babban zafin sabis da ingantaccen inganci.
Rubutun sauti, mara ƙonewa, mai jure wuta, mara lahani, kuma baya fitar da iskar gas mai guba lokacin amfani da shi a yanayin zafi.
Yana da juriya na zafi da kwanciyar hankali na thermal, kuma yana da dorewa.
Kyakkyawan juriya na ruwa, jiƙa na dogon lokaci ba zai lalace ba.
Siffar samfurin yana da kyau, kuma ana iya sawa, tsarawa, hakowa, dunƙule, fenti, da sanya shi.Yana da ceton aiki kuma ya dace.
Bayanin da ke sama yana da alaƙa da kayan siliki na siliki na calcium wanda Kamfanin Fiber Cement Board ya gabatar.
Lokacin aikawa: Dec-02-2021
