Usoro nkwadebe nke refractory castable

Usoro nkwadebe nke ihe nkedo refractory, mgbakwunye nke eriri ígwè na nkedo nke na-ejikọta ciment nwere ike imeziwanye ihe ụfọdụ nke ihe nkedo ahụ: ọ nwere ike imeziwanye ike siri ike nke ihe nkedo ahụ, nkwụsi ike nke ígwè ọrụ, nkwụsị ọkụ ọkụ, nkwụsị mgbawa, na nkwụsị nke spalling. . Ọ nwekwara ike igbochi nkwụsịtụ mgbe ọ gwọchara, ihicha na ọgwụgwọ okpomọkụ, si otú a na-agbatị ndụ ọrụ nke castable.

eriri igwe eji eme ka ihe nkedo refractory siri ike nwere dayameta nke 0.4-0.5mm na ogologo 25mm. Ọnụ ọgụgụ nke eriri ígwè agbakwunyere na nkedo bụ 1-4% (ibu). Ọ bụrụ na eriri ígwè dị ogologo ma ọ bụ ihe mgbakwunye dị ukwuu, eriri ígwè agaghị adị mfe ịgbasa n’oge nkedo, a gaghị enwekwa mmetụta nkwado kachasị mma; ọ bụrụ na eriri ígwè dị mkpụmkpụ ma ọ bụ ihe mgbakwunye dị ntakịrị, a gaghị enweta mmetụta nkwado ahụ. Ya mere, ogologo na mgbakwunye nke eriri ígwè kwesịrị ekwesị kwesịrị ekwesị.

Enwere ike ịgwakọta eriri nchara na ngwakọta akọrọ, wee tinye mmiri ma kpalie nke ọma. Otú ọ dị, n’ozuzu, a na-ebu ụzọ gwakọta ngwakọta ahụ na mmiri, mgbe ahụ, a na-efesa eriri ígwè n’ime ihe nkedo ahụ, wee kpalie ya. Ọ bụghị nanị na nke a na-eme ka ngwakọta ahụ kpalie n’otu n’otu, ma na-echekwa 1/3 nke oge ngwakọta ma e jiri ya tụnyere ngwakọta nke eriri ígwè na ihe akọrọ.

Iji mee ka eriri ígwè ahụ gbasasịa n’otu n’otu na nkedo, a ga-agbasasị eriri igwe ahụ n’otu aka ahụ site na ịma jijiji ma ọ bụ sieve tupu etinye ya na nkedo. Mgbe ịwụsa ma gbakwunye eriri ígwè, a ga-ebelata ọrụ ahụ, ma ọ dịghị mmiri ọzọ a ga-agbakwunye maka mgbakwunye, ma ọ bụghị ya, ike ikpeazụ nke ihe nkedo ahụ agaghị adị mma. N’oge a na-akpụzi, enwere ike iji vibrator na-ama jijiji n’èzí, ma ọ bụ mkpanaka na-ama jijiji na-eme ka ọ maa jijiji n’ime ngwaahịa ahụ, a pụkwara inweta ngwaahịa ndị siri ike. Enweghị ike iji ngwá ọrụ osisi mechaa elu mgbe emechara ya, n’ihi na eriri ígwè ga-abanye n’ime ngwá ọrụ ahụ ma mebie elu ngwaahịa ahụ. Ngwọta na ihicha nke ihe nkedo a na-eme ka eriri igwe siri ike bụ otu ihe nkedo nkịtị.