site logo

Rarraba na rufi refractories

Rarraba na rufi refractories

Idan aka rarraba bisa ga yawan zafin jiki na amfani, za a iya raba kayan haɓakar zafi zuwa nau’ikan 3:

① Ƙananan kayan rufin zafi, ƙasa da 600 ℃;

②Matsakaicin kayan rufewa na zafin jiki, 600 ~ 1200 ℃;

③Maɗaukakin rufin zafin jiki, sama da 1200 ℃.

Daga ra’ayi na girma yawa, yawan nauyin nauyin kayan da aka yi da zafi mai zafi ba gaba ɗaya ba ya fi 1.3g / cm3, kuma yawancin yawan nauyin da aka yi amfani da shi na kayan zafi mai zafi shine 0.6 ~ 1.0g / cm3, idan girma mai yawa shine 0.3 ~ 0.4 g / cm3 ko ƙasa, ana kiran shi kayan rufewa mai nauyi mai nauyi.

图片 2 (1)

Hakanan za’a iya raba kayan da ake sanyawa insulating zuwa:

① Foda da granular zafi-insulating kayan sun hada da foda- hatsi girma kayan da kai tsaye amfani da refractory foda ko granular kayan kamar yadda cika rufi yadudduka ba tare da bonding wakili, da foda-hatsi girma haske-nauyi amorphous zafi-insulating refractory kayan dauke da bonding wakili. The powdery granular thermal insulation kayan ya dace don amfani da sauƙin ginawa. Ana iya kiransa daɗaɗɗen insulation na thermal mai tasiri don kilns masu zafi da kayan aiki ta hanyar cikawa da yin a kan shafin.

②Kyawawan kayan da ke rufe zafi suna nufin kayan da ke hana zafi tare da wani nau’i mai siffa tare da tsari mara kyau. A cikin su, samfuran da aka yi da bulo sun fi yawa, don haka gabaɗaya ana kiran su tubalin da ke hana zafi mai nauyi. Tubalin rufin nauyi mai nauyi yana da yanayin aiki mai tsayi, kuma yana da sauƙin amfani, jigilar kaya da adanawa.

③ Fibrous kayan da ke hana zafin zafi kamar auduga ne da kayan hana zafi. Abubuwan fibrous suna da sauƙin ƙirƙirar sifofin porous. Saboda haka, fibrous thermal insulation kayan suna halin haske mai nauyi, kyakkyawan aikin haɓakar thermal, elasticity, da kyakkyawar ɗaukar sauti da juriya.

④ Haɗaɗɗen kayan kwalliyar thermal sun fi mayar da hankali ga kayan haɓakar thermal da aka yi da kayan fiber da sauran kayan, irin su ginshiƙan ƙirar thermal, kayan kwalliyar thermal da sauran kayan kwalliyar thermal.

图片 4 (1)

An kasu yanayin da matsayin rarraba zuwa rukuni uku masu zuwa:

①Kayan insulation a cikin abin da lokacin gas shine ci gaba da ci gaba kuma lokaci mai ƙarfi shine lokacin tarwatsawa;

② Abubuwan da aka lalata a cikin abin da ƙaƙƙarfan lokaci shine ci gaba da ci gaba kuma lokacin gas shine lokacin tarwatsawa;

③Insulation kayan a cikin abin da duka gas lokaci da m lokaci ne ci gaba matakai. Wannan hanyar rarrabawa ya fi dacewa don yin nazari da nazarin tasirin tsarin ƙungiya akan aikin kayan haɓakar thermal.