Refractories Maka ọkụ iko

Akụrụngwa ọkụ bụ isi nke mmepụta iko, dị ka fusing njupụta, ụzọ di na nwunye, ọwa nri na njupụta njupụta, bụ ihe ndị na-emegharị emegharị.tọ ọrụ arụmọrụ na ndụ ọrụ nke akụrụngwa na àgwà nke iko na-adabere n'ụzọ dị ukwuu na ụdị na àgwà nke refractories eji.tọ na-aga n'ihu nke teknụzụ mmepụta ihe na-adabere na mmelite nke teknụzụ nrụpụta refractory na ịdị mma ruo n'ókè dị ukwuu. Ya mere, ọ dị mkpa iji ezi uche họrọ na imeit dị ezigbo mkpa iji refractories na imewe na kwa ụbọchị ọrụ nke iko thermal akụrụngwatnke abụọ bụ ọnọdụ ọrụ na usoro corrosion nke akụkụ dị iche iche nke akụrụngwa thermalfire ihe na-ezo aka inorganic nonmetallic ihe ma ọ bụ ngwaahịa na ọkụ na-eguzogide ọ bụghị ihe na-erughị 1500 ℃ (1580 ℃ na China na mbụ Soviet Union)it nwere ike ịbụ eke akụrụngwa, nwekwara ike ịbụ mmadụ mere ngwaahịa na ihe, refractories na mgbakwunye na a ụfọdụ n'ókè nke ọkụ na-eguzogide, ma mkpa ka nwere ike.

Isi oru arụmọrụ nke usoro:

① Iji mezuo ihe achọrọ nke ọrụ okpomọkụ dị elu, ọ gaghị adị nro ma gbazee na oke okpomọkụ;

② Ọ nwere ike iburu ibu nke ọkụ ọkụ na nrụgide na-arụ ọrụ, ma na-ebu ụfọdụ nrụgide na-adịghị mma na okpomọkụ dị elu.;

Enweghị mfu nke ike nhazi, nrụrụ na ọdịda;

③ Nkwụsi ike olu okpomọkụ dị elu enweghị ike iwepụta ndò ma ọ bụ mbelata nke ukwuu, nnukwu ọkụ masonry ma ọ bụ ịwụsa ahụ agaghị adalata n'ihi mmụba olu.emgbawa ma ọ bụ mgbawa dị adị;

④ The thermal ujo eguzogide adịghị agbaji n'okpuru ụfọdụ okpomọkụ mgbanwe na thermal ujo;

⑤ The mgbochi mbuso agha arụmọrụ nwere ike idi ogologo oge omume nke gas, mmiri mmiri na siri ike corrosive ọkara na-enweghị ngwa ngwa ozize, na ike idi corrosion.ombelata xidation na oke okpomọkụitnwere ike iguzogide ike nke okpomọkụ dị elu na ọkụ na-agba ọsọ na-agba ọsọ na anwụrụ ọkụ, mmebi nke metal mmiri mmiri na slag, yana nkwụsị nrụgide.impact egweri nke ọla na ihe ndị ọzọ;

② Ntụle thermal nke nguzogide okpomọkụ na akụrụngwa ihe nrụpụta na-ezo aka na mgbawa na nnwale nnwale nke ahụ brik kpatara mgbanwe okpomọkụ. Nhazi.

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Falling na-ezo aka n'eziokwu ahụ bụ na mgbaze nke refractories ga-esi n'ime brik tinyere pores ya na ọwa mgbawa, ma soro ya na-emekọ ihe iji mepụta otu ihe ahụ dị ka nke mbụ..

Mgbe okpomọkụ na-agbanwe nke ukwuu, oyi akwa metamorphic nwere usoro brik dị iche iche na ihe onwunwe ga-agbawa ma daa.

Ụlọ ọrụ iko ahụ bụ ihe pụrụ iche n'ihi na akụkụ ahụ mebiri emebi nke iko sọlfọ ahụ siri ike ga-anọgide na iko mmiri mmiri ma ọ bụrụ na ọ ga-agbaze kpamkpam..

Na iko, ihe mejupụtara nke iko na-emetụta naanị ntakịrị ntakịrị, nke na-adịghị emerụ otu iko, ma ọ bụghị na iko pụrụ iche..

Xu: Ọ bụrụ na enweghị ike ịgbaze ya kpamkpam, a ga-emepụta usoro ntụpọ iko dị ka nkume, nodules na egosipụta, na-ebute ngwaahịa mkpofu. Akụkụ nke ọzọ.

Ka ọ dị ugbu a, ndụ ọrụ nke nnukwu iko na-ese n'elu mmiri nke China eruola afọ 50.

Ihe karịrị afọ 8, mana a ka nwere nnukwu ọdịiche ma e jiri ya tụnyere mba ndị nwere ụlọ ọrụ iko mepere emepe. Ya mere, àgwà nke refractory bụ isi ihe na-egosi àgwà nke iko.

Ihe ndị bụ isi nke mmepe mmepụta ihe

Njirimara nke refractories maka iko ọkụ

Refractories bụ otu usoro mgbagwoju anya nke multiphase na multicomponent, bụ nke mejupụtara kemịkalụ dị iche iche dị iche iche na mineral nwere usoro dị iche iche.

Plastid. Njirimara nke refractories nwere njikọ chiri anya na ihe mejupụtara kemịkalụ ha, ihe mejupụtara ya, njikọta morphology na nkesa, yana njirimara nke akụkụ ọ bụla.

chemical mejupụtara

Ngwakọta kemịkalụ nke refractories bụ otu n'ime ihe ndị bụ isi nke na-ekpebi njirimara nke refractories. Enwere ike kewaa kemịkalụ kemịkalụ nke refractories n'ime akụkụ abụọ dị ka ihe mejupụtara ya si dị na ọrụ: isi ihe na-eme ka ọ bụrụ nnukwu ego zuru oke ma na-arụ ọrụ siri ike. ọrụ na arụmọrụ ya, na obere akụkụ nke na-enye obere ego ka a na-akpọ akụkụ nke abụọ. Akụkụ nke abụọ na-agụnye akụkụ adịghị ọcha na-esonyere akụrụngwa na ihe mgbakwunye agbakwunyere nke ọma iji nweta otu ebumnuche.

(1) Isi akụrụngwa bụ isi akụrụngwa bụ ngwakọta nke matrix oge ọkụ na refractories, nke na-abụkarị otu ma ọ bụ ọtụtụ ụdị nke nnukwu agbaze mgbaze oxides ma ọ bụ ndị na-abụghị oxides nke mejupụtara mineral mejupụtara. Ọrụ ya na ọnụ ọgụgụ ya na-ekpebi kpọmkwem njirimara nke ihe ọkụ ọkụ oge. Enwere ike kewaa ihe ọkụ ọkụ oge n'ime acid, alkaline na nnọpụiche dịka ihe onwunwe ha si dị.

(2) Akụkụ na-adịghị ọcha na-ezo aka na ihe nkwụghachi azụ nke a na-ebute ma ọ bụ gwakọta ya na usoro mmepụta n'ihi iji ihe ndị na-emepụta ihe na-emepụta ihe.

N'ikwu okwu n'ozuzu, Ko, Nao, FeO na FeO bụ ihe ọkụ oge

Ihe adịghị emerụ ahụ dị na ngwaahịa ahụ. Na mgbakwunye, acid oxide (ro2) na acid oxide na isi ihe pyrotechnic (RO bụ isi akụrụngwa) na-abawanye.

A na-ewere oxides na ihe pyrotechnic dị ka ihe ndị na-emerụ ahụ, nke nwere ngwọta siri ike na okpomọkụ dị elu. Mmetụta adịghị anya

Naanị nguzobe okpomọkụ nke mmiri mmiri eutectic na-ebelata na ọnụ ọgụgụ nke mmiri mmiri na-abawanye, na mmụba nke okpomọkụ, ọnụ ọgụgụ mmiri mmiri na-ebelata.

A na-emewanye ọsọ ọsọ na-abawanye, nke na-emetụta oke ọrụ okpomọkụ nke ngwaahịa refractory. Ya mere, ọ dị mkpa ijikwa ihe na-adịghị ọcha dịka o kwere mee

Dịka ọmụmaatụ, akụkụ bụ isi nke brik silica bụ SiO, ihe ndị na-emerụ ahụ gụnyere Ao, na alkali metal oxides. American Standard

A choro na mkpokọta ọdịnaya nke adịghị ọcha na ọkwa pụrụ iche nke silicon breaker bụ ihe na-erughị 0.5%, yana ọdịnaya nke Ao na British ọkọlọtọ silicon breaker bụ 0.3%

Enwere ụdị abụọ mmetụta mgbanwe nke adịghị ọcha na refractories nwere ọdịnaya nke a1o na-erughị 0.6%

(1)N'ihi mmeghachi omume kemịkalụ, a na-emepụta usoro mmiri na-agbaze dị ala;(2)Usoro mmiri mmiri kpụrụ n'otu ọnọdụ okpomọkụ abụghị obere agbazelarge ukwu.

(3) Iji mee ka arụ ọrụ anụ ahụ dịkwuo mma, mmepụta mmepụta na ịrụ ọrụ nke refractory, mgbakwunye nke ihe mejupụtara kemịkalụ na mmepụta ma ọ bụ iji refractory..

A na-akpọ ntakịrị ihe mgbakwunye nke nwere ike ịgbakwunye iji melite arụmọrụ nke ngwaahịa a. Usoro onunu ogwu nke ihe mgbakwunye na-adịgasị iche na njirimara na ọrụ ha, ọ dịkwa obere.

Ọ bụ ihe dị ka puku kwuru puku iri ruo pasentị ole na ole nke mkpokọta ihe mejupụtara pyrotechnic. Enwere ike kewaa ihe mgbakwunye n'ụdị ndị a dịka ebumnuche na ọrụ ha siri dị:

(1)Oge ihe ọkụ na-ekpokọta ihe na-ejikọta klaasị: ihe nkedo, nke a makwaara dị ka onye na-emepụta ciment ma ọ bụ onye na-eguzo ọtọ;(2)gbanwee ntọala na klaasị ọnụego ike siri ike: gụnyere onye na-eme ngwa ngwa, onye nnọchi polar na ihe ndị ọzọ;(3)gbanwee akụrụngwa rheological: gụnyere onye na-ebelata mmiri, plasticizer, onye na-ahụ maka gelling na onye na-egbu egbu, wdg;(4)Gbanwee n'ime nzukọ klaasị Ọdịdị: gụnyere onye na-afụ ụfụfụ, defoamer, onye na-eme mkpọtụ, onye na-ere ọkụ, wdg;(5)na-emezi klas ịdịte aka: gụnyere ihe mgbochi, ihe nchekwa, onye na-egbochi ọzịza, wdg Cryoprotectants, wdg; Melite arụmọrụ, gụnyere enyemaka sintering, mineralizer, onye na-ehicha ngwa ngwa, stabilizer, wdg. Nguzogide hydration;Antioxidant, onye na-egbochi mbelata, wdg..

Enwere ọtụtụ ihe mgbakwunye, nke bụ isi ihe nyocha na ụlọ ọrụ ihe ọkụ

Obere: 2. O doro anya na ọ nwere ike ịgbanwe ụfọdụ ọrụ ma ọ bụ njirimara nke ngwaahịa refractory; 3. Ọ nweghị mmetụta siri ike na isi ihe nke ngwaahịa, dị ka mmepụta brik silica.

Mgbakwunye nke mmiri ara ehi lime na ígwè bụ mineralizer iji kwado nhazi nke quartz; Cao agbakwunyere na ngwaahịa bụ ihe nkwụsi ike iji mee ka ngwaahịa ahụ kwụsie ike.

Nsonaazụ na-egosi na cubic ZrO 2 guzobere na okpomọkụ dị elu kwụsiri ike na obere okpomọkụ: MgO na ihe mgbakwunye ndị ọzọ na ịdị ọcha dị elu Al 2O ceramics bụ ihe enyemaka na-enyere aka.high density sinter nwere ike nweta na obere okpomọkụ.


Oge nzipu: Mee-13-2021
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