Mene ne tubali mai banƙyama castables ga sharar incinerators?

Sharar gida incinerators sun kasu kashi: na birni m sharar incinerator, intermittent incinerator, grate-type mafarki incinerator, datti pyrolysis gasification incinerator, fluidized gado incinerator, Rotary kiln-type masana’antu sharar incinerator, grate-type incinerator makera.

To

Saboda akwai nau’ikan datti da yawa waɗanda ba za a iya rarraba su gaba ɗaya ba, ƙimar caloric na datti shima ya bambanta. Don tabbatar da cewa incinerator na datti yana kula da aiki mai kyau a karkashin dogon lokaci mai zafi mai zafi, yana da muhimmanci a yi la’akari da zaɓin kayan da aka lalata daga bangarori da yawa. Musamman tubalin siliki carbide. Castables galibi tushen yumbu ne, manyan robobi na alumina, tushen yumbu, da simintin siliki na tushen siliki. Saboda yawan lalacewa na incinerators na sharar gida, amfani da simintin gyaran kafa yana ci gaba da bunkasa. Amfani da simintin carbide castables da phosphates haɗe tare da manyan simintin alumina yana ƙaruwa sannu a hankali saboda waɗannan simintin biyu suna da juriya mai kyau.

Tushen zaɓi na kayan refractory: daban-daban incinerators na datti suna da yanayi daban-daban na aiki, kuma yanayin amfani daban-daban na ciki yana buƙatar kaddarorin daban-daban na kayan refractory. Sabili da haka, ya kamata a zaɓi kayan haɓakawa tare da kaddarorin daban-daban bisa ga yanayin aikin su da zafin amfani. The aiki zafin jiki na datti incinerator ne 1200 ℃-1400 ℃. Gas yana da matukar lalacewa ga kayan da aka lalata yayin ƙonawa, kuma ƙasan tanderu, masu tallatawa, da bangon gefe suna sawa sosai kuma suna tasiri. Sabili da haka, za a ci gaba da sabunta zaɓin labulen mai inganci.

Zabi kayan da za su iya jurewa bisa ga yanayin aiki. A cikin sashin shigarwa na incinerator na sharar gida, tun da shigarwa da faɗuwar sharar gida dole ne su kasance cikin hulɗa da kayan aiki, kuma yawan zafin jiki na tashar shigarwar sau da yawa yana canzawa, ana buƙatar refractory don samun juriya mai kyau da juriya na thermal. Don kwanciyar hankali, ana iya amfani da tubalin yumbu.

A cikin ɗakin bushewa da ɗakin konewa na incinerator, sharar da tanderun da aka rufe suna hulɗa kai tsaye a yanayin zafi. A gefe guda, slag zai manne da rufin tanderun, kuma a gefe guda, ƙazanta za su mamaye rufin tanderun. A lokaci guda, shigar da sharar gida ba makawa zai haifar da canjin yanayin zafi. Sabili da haka, ana buƙatar kayan da za su iya jurewa ba kawai lalacewa ba, juriya, da wuyar riko, amma har da juriya na alkali da oxidation. Gabaɗaya, ana amfani da tubalin yumbu, tubalin alumina, tubalin SiC, simintin ƙarfe da robobi.

Zaɓi kayan haɓakawa bisa ga zafin jiki na amfani, daban-daban incinerators na datti, sassa daban-daban na amfani, da yanayin yanayin amfani daban-daban: yawan zafin jiki na rufin, bangon gefe, da masu ƙonewa na ɗakin konewa shine 1000-1400, da refractoriness na 1750-1790 za a iya zaba. Hakanan ana iya amfani da tubalin alumina da tubalin yumbu, robobi tare da refractoriness na 1750-1790.

Abubuwan buƙatun don kayan da za su sake dawowa dole ne su sami maki masu zuwa:

1. Yi amfani da samfurori masu ƙarfi da ƙarfi don tsayayya da lalacewa da iska mai ƙarfi;

2. Dole ne ya sami juriya na acid da kwanciyar hankali don tsayayya da lalata acid;

3. Thermal shock shima wani muhimmin al’amari ne wanda ba za a iya watsi da shi ba;

Na hudu, dole ne ya zama yashewar CO don hana kayan da aka rufe daga fashe;

Na biyar, zaɓin kayan haɓakawa, bisa ga yanayi daban-daban, zaɓi kayan haɓaka haske waɗanda suka fi dacewa da kowane sashi.