Ntụgharị ihe
echiche:
Klas nke inorganic ihe na-abụghị ọla na refractoriness na-erughị 1580C.Refractoriness na-ezo aka na okpomọkụ Celsius nke ihe nlele cone refractory na-eguzogide omume nke okpomọkụ dị elu na-enweghị nro na agbaze n'okpuru ọnọdụ nke enweghị ibu.Otú ọ dị, nanị nkọwa nke refractoriness enweghị ike ịkọwa n'ụzọ zuru ezu refractory ihe, na 1580 Celsius C abụghị ihe zuru oke.A kọwapụtara ya ugbu a dị ka ihe niile nke anụ ahụ na kemịkalụ ha na-ekwe ka e jiri ya mee ihe na ọnọdụ okpomọkụ dị elu ka a na-akpọ ihe refractory.A na-eji ihe ndị na-emegharị emegharị eme ihe na metallurgy, ụlọ ọrụ kemịkalụ, mmanụ ala, nrụpụta igwe, silicate, ike na mpaghara mmepụta ihe ndị ọzọ.Ha bụ ndị kasị ukwuu na ụlọ ọrụ metallurgical, na-aza 50% ruo 60% nke mkpokọta mmepụta.
mmetụta:
A na-eji ihe ndị na-emegharị ihe na mpaghara dị iche iche nke akụ na ụba mba dị ka ígwè, ọla ndị na-abụghị ferrous, iko, ciment, ceramics, petrochemicals, machinery, boilers, light ụlọ ọrụ, ọkụ eletrik, ụlọ ọrụ agha, wdg, na ihe ndị dị mkpa bụ isi ihe. hụ na arụ ọrụ mmepụta na mmepe teknụzụ nke ụlọ ọrụ ndị dị n'elu.Ọ na-arụ ọrụ dị mkpa na nke a na-apụghị dochie anya na mmepe nke mmepụta mmepụta ihe na-ekpo ọkụ.
Ebe ọ bụ na 2001, site na mmepe ngwa ngwa nke ụlọ ọrụ okpomọkụ dị elu dị ka ígwè na ígwè, ọla ndị na-abụghị ndị na-emepụta ihe, petrochemicals na ihe owuwu ụlọ, ụlọ ọrụ refractory nọgidere na-enwe ọganihu dị mma ma ghọọ onye na-emepụta ihe na onye na-ebupụ ihe ndị na-emepụta ihe na ụlọ ọrụ. uwa.N'afọ 2011, mmepụta refractory China ruru ihe dị ka 65% nke mkpokọta ụwa, na mmepụta ya na olu ahịa ya bụ nke mbụ n'ụwa.
Mmepe nke ụlọ ọrụ refractory nwere njikọ chiri anya na njide akụ ịnweta ụlọ.Bauxite, magnesite na graphite bụ ihe atọ bụ isi mgbagha.China bụ otu n'ime mba atọ na-ebupụ bauxite n'ụwa, nnukwu ebe nchekwa magnesite n'ụwa, na nnukwu onye na-ebupụ graphite.Akụrụngwa bara ụba akwadowo ihe mgbagha nke China maka afọ iri nke mmepe ngwa ngwa.
Site na oge "atụmatụ afọ ise nke iri na abụọ", China na-eme ngwa ngwa iwepụ ikike mmepụta ihe ochie na nke dị elu.Ụlọ ọrụ ahụ ga-elekwasị anya na mmepe na nkwalite nke ọkụ ọkụ ọhụrụ na-azọpụta ike, mmepe nke teknụzụ nchekwa ike zuru oke, njikwa ike, njikwa ikuku nke "ihe mkpofu atọ" na iji ihe onwunwe nke "mkpọfu atọ" imegharị ihe, wdg. Ntugharị ihe onwunwe na ijigharị ihe ndị na-emegharị ihe mgbe ejiri ya mee ihe, belata ihe mkpofu siri ike, meziwanye ojiji nke akụrụngwa, ma kwalite n'ụzọ zuru ezu ichekwa ike na mbelata ikuku.
Amụma “Refractory Industry Development Policy” na-akọwapụta na otu oriri nke ihe na-eme ka ihe na-agbagharị agbagharị na ụlọ ọrụ igwe China dị ihe dị ka kilogram 25 kwa ton nke ígwè, ọ ga-adaba n'okpuru kilogram 15 site na 2020. Na 2020, ngwaahịa refractory China ga-adị ogologo ndụ. , ike na-arụ ọrụ nke ọma, enweghị mmetọ, na arụ ọrụ.Ngwaahịa ga-egbo mkpa nke mmepe akụ na ụba mba dị ka metallurgy, ihe ụlọ, kemịkalụ, na ụlọ ọrụ na-apụta, ma ga-abawanye ọdịnaya teknụzụ nke ngwaahịa mbupụ.
Ihe ndị na-atụgharị anya nwere ọtụtụ ụdị na ojiji dị iche iche.Ọ dị mkpa iji nkà mmụta sayensị na-ekewa ihe ndị na-agbagha agbagha iji kwado nyocha sayensị, nhọrọ ezi uche na njikwa.Enwere ọtụtụ ụzọ nhazi ọkwa maka ihe mgbagha, gụnyere nhazi njirimara kemịkalụ, nhazi ihe mejupụtara kemịkalụ, nhazi usoro mmepụta, na nhazi morphology ihe.
Nhazi:
1. Dị ka larịị nke refractoriness:
Nkịtị refractory ihe: 1580 ℃ ~ 1770 ℃, elu refractory ihe: 1770 ℃ ~ 2000 ℃, pụrụ iche ọkwa refractory ihe:> 2000℃
2. Enwere ike kewaa ihe ndị na-atụgharị anya na:
Ngwaahịa agbanyụla ọkụ, ngwaahịa anaghị agba ọkụ, ihe mgbagharị na-enweghị ụdị
3. Nkewa site na njirimara kemịkalụ ihe onwunwe:
Acid refractory, na-anọpụ iche refractory, alkaline refractory
4. Nhazi dị ka chemical ịnweta mejupụtara
Usoro nkewa nke a nwere ike ịkọwapụta ihe mejupụtara ya na njirimara dị iche iche nke refractory.Ọ bụ usoro nhazi nke a na-ahụkarị na mmepụta, ojiji na nyocha sayensị, ma nwee uru ngwa ngwa siri ike.
Silica (silica), aluminom silicate, corundum, magnesia, magnesia calcium, aluminum magnesia, magnesia silicon, carbon mejupụtara refractories, zirconium refractories, pụrụ iche refractories.
6. Nhazi nke ihe ngbanwe na-enweghị ọdịdị (nkewa dị ka usoro eji eme ihe).
Ihe nkedo, ihe mkpuchi na-efesa, ihe raming, plastik, ihe eji ejide, ihe ntule, ihe ntọcha, ihe na-ama jijiji, ihe nkedo na-asọpụta onwe ya, ihe na-emegharị emegharị.
Ntugharị nọpụrụ iche na-abụkarị nke alumina, chromium oxide ma ọ bụ carbon.Ngwaahịa corundum nwere ihe karịrị 95% alumina bụ ihe na-eme ka ọ dị elu nke nwere ọtụtụ ihe eji eme ihe.
Chiping Wanyu Industry and Trade Co., Ltd., guzosie ike na 2010, ọkachamara na mmepụta nke eyi na-eguzogide ọgwụ na refractory ngwaahịa: ọcha corundum ngalaba ájá, ezi ntụ ntụ, granular ájá usoro ngwaahịa.
Usoro nkọwapụta na-eguzogide ọgwụ: 8-5#, 5-3#, 3-1#, 3-6#, 1-0#, 100-0#, 200-0#, 325-0#
Nkọwa ájá granular: 20#, 24#, 36#, 40#, 46#, 54#, 60#, 80#, 100#, 150#, 180#, 200#, 220#, 240#,
Oge nzipu: Dec-30-2021