Bushewa, dumama da kula da simintin kiln siminti

Taurare ko busasshen simintin har yanzu yana da ragowar ruwa na zahiri da na sinadarai, sannan a dumama shi zuwa 300 ℃ don yin tururi da bushewa, kuma duk ruwan za a sauke. Saboda ƙaƙƙarfan tsari yana da ƙaƙƙarfan tsari, ƙimar dumama ya kamata ya kasance a hankali don guje wa saurin zafi. Damuwar da ke haifar da saurin ƙanƙara mai tsayi da danshi yana haifar da lalacewar simintin.

Tsarin bushewa da dumama tsarin kiln wani lokacin ba zai iya biyan buƙatun busassun na’urar busassun preheater da calciner (na’urar sanyaya grate, hood da babban bututun iska sun haɗu da bushewa da tsarin dumama na tsarin kiln, kuma ba a jera su daban ba), sabili da haka. Tsarin dumama dumama tsarin kiln da aka ambata a ƙasa ya kamata a haɗa shi tare da buƙatun wannan sashe. Idan yawan zafin jiki na tsarin kiln ya kai 600 ° C (batun yanayin zafi na iskar gas a wutsiya na kiln), preheater na farko bai cika buƙatun bushewa ba, kuma lokacin adana zafi na tsarin kiln a 600 ° C ya kamata. a tsawaita.

Lokacin warkarwa na batch na ƙarshe na simintin gyare-gyare bai wuce sa’o’i 24 ba a zafin jiki na kusan 25 ° C (don ƙananan simintin siminti, ya kamata a tsawaita lokacin warkewa zuwa 48h kamar yadda ya dace). Bayan simintin ya sami wani ƙarfi, cire tsari da goyan baya. Ana iya yin burodi bayan bushewa 24h. Idan zafin magani ya yi ƙasa da ƙasa, ana buƙatar tsawaita lokacin warkewa.

Ɗauki yawan zafin jiki na iskar gas a wutsiyar kiln a matsayin ma’auni, kuma yi amfani da ƙimar dumama na 15 ° C/h har sai ya kai 200 ° C, kuma ajiye shi na 12 hours.

Ƙara yawan zafin jiki zuwa 400 ° C a yanayin zafi na 25 ° C / h, kuma kiyaye zafin jiki ba kasa da 6h ba.

Ƙara zafin jiki zuwa 600 ° C kuma kiyaye zafin jiki ba kasa da 6h ba. Sharuɗɗa guda biyu masu zuwa sune isassun sharuɗɗa don yin burodin calciner da tsarin preheater:

Lokacin da zazzabi na refractory castable a cikin zub da rami na cyclone preheater kusa da murfin silicon ya kai 100 ℃, da bushewa lokaci ba zai zama kasa da 24h.

A ƙofar magudanar ruwa na matakin farko na cyclone preheater, an yi amfani da yanki mai tsabta don tuntuɓar iskar hayaƙi, kuma ba a ga wani danshi a gilashin ba. Lokacin adana zafi shine awa 6.