Refractory khoom yog ib txwm ntxhia raws. Thaum lub sij hawm siv lub tsev los yog industrial refractory cov ntaub ntawv, raws li zoo raws li nyob rau hauv lub sij hawm ntev ua hauj lwm, tsis muaj kev hloov nyob rau hauv lawv cov qauv. Nws yog vim li no tias "refractory" feem ntau siv nyob rau hauv ntau yam kev ua ub no, muaj kev ntseeg siab tias tus tsim yuav tig tawm kom ntseeg tau thiab ruaj khov.
Cov Khoom Ntawm Cov Khoom Siv Hluav Taws Xob
Cov ntaub ntawv nthuav tawm yog siv hauv lub neej txhua hnub hauv ntau qhov chaw. Cov khoom siv refractory yog siv nyob rau hauv ntau yam txheej txheem metallurgical. Cov no suav nrog melting, annealing, roasting, evaporation thiab distillation. Tsis tas li, tsis txhob hnov qab tias cov ntaub ntawv nthuav tawm khaws lawv cov khoom qub txawm tias thaum ua tiav ntawm qhov kub thiab txias.
Refractories uas yav tas los siv rau hauv kev tsim khoom thiab xav tau rov ua dua yog hu ua seem. Cov ntaub ntawv zoo li no feem ntau siv dua tshiab los tsim cov khoom tshiab. Nws yog cov khoom siv refractory uas txawv ntawm lwm tus hauv nws qhov muaj zog ntxiv ntawm qhov kub thiab txias, nrog rau cov tshuaj lom neeg.inertia. Nyob rau hauv cov nqe lus ntawm muaj pes tsawg leeg, cov ntaub ntawv qhia yog ceramic blends ntawm refractory oxide, silicate, carbide, nitride, thiab boride.
Kev faib cov refractories los ntawm cov duab thiab qhov loj
Cov khoom siv hluav taws xob tuaj yeem raug cais raws li cov duab hauv qab no thiab qhov ntau thiab tsawg:
- Ntau qhov loj me wedge refractories.
- Cov ntaub ntawv ncaj qha hauv cov qauv me thiab loj.
- Simple.
- Tshwj xeeb nyuaj.
- Cov khoom thaiv loj uas hnyav tshaj 60 kilograms.
- Tshwj xeeb refractories rau chav kuaj lossis siv kev lag luam. Qhov no suav nrog cov raj, cov crucibles.
Kev faib cov refractories raws li txoj kev tsim
Nws muaj peev xwm paub qhov txawv ntawm cov khoom tseem ceeb ntawm cov khoom siv refractory raws li txoj kev tsim:
- cov ntaub ntawv kub.
- Thermoplastic pressed.
- Nqus fused refractories los ntawm yaj, uas tau los ntawm hluav taws xob melting.
- Semi-dry tsim cov ntaub ntawv tau los ntawm hmoov.
- Plastically molded refractorys uas yog tsim los nrog ib tug tshwj xeeb loj nyob rau hauv ib lub xeev yas. Rau cov hom phiaj no, tshwj xeeb tshuab molding thiab tom qab repressing yog siv.
- Cast refractories, uas yog tau los ntawm casting los ntawm cov kua nplaum, nrog rau ua npuas ncauj.
- Sawn refractories ua los ntawm ntuj pob zeb los yog ua ntej ua blocks.
Yuav siv dab tsi rau cov khoom sivqhov cub?
Kiln refractory khoom yog qhov kev xaiv zoo uas tuaj yeem siv rau hauv kev tsim kho. Tag nrho cov no tau dhau los ua tau vim muaj qhov tshwj xeeb ntawm cov tshuaj lom neeg, lub cev thiab cov khoom siv kho tshuab. Cov khoom uas tau nthuav tawm tuaj yeem tiv taus qhov kub thiab txias, thiab qhov tseem ceeb tshaj, txawm tias muaj hluav taws kub, nws yuav tsis yaj lossis hloov nws cov duab.
Rau kev tsim kho ntawm lub cub tawg, koj tuaj yeem siv cov ntaub ntawv refractory ntawm qhov ua tau zoo tshaj plaws. Raws li lawv cov khoom, lawv muaj tsawg porosity. Lub tshuab tsim tshwj xeeb yog siv thaum lub sijhawm tsim khoom, yog li cov khoom siv refractory rau lub cub tawg tuaj yeem tiv taus qhov kub thiab txias.
Cov txheej txheem tsim khoom pib los ntawm kev tau txais cov hmoov uas muaj qee qhov sib faib me me. Cov khoom tshwj xeeb no tuaj yeem muab cov ntim me me thaum lub sijhawm ua haujlwm.
Qhov zoo thiab daim ntawv thov ntawm fireproof drywall
Cov ntaub ntawv cov ntaub ntawv cov ntaub ntawv yog siv feem ntau rau kev tsim kho. Niaj hnub no, refractory drywall yog qhov xav tau zoo, uas yog ob daim ntawv ntawm cov duab los qhia thiab gypsum muab tub lim. Thaum cov khoom tsim tawm, ib qho txaus ntom thiab ua kom muaj kev siv duab los qhia ntxiv cov duab los qhia siv, uas suav nrog ntau cov khaubncaws sab nraud povtseg.
Tsis tas li, tsis txhob hnov qab txog qee yam thev naus laus zis rau kev tsim cov gypsum core uas muaj cua sov. Fireproof Drywall Sheettuaj yeem siv rau ntau qhov chaw muaj kev lag luam, qhov twg muaj cov yam ntxwv tsis ruaj khov ntawm cov av noo, thiab qhov ntsuas kub siab kuj tau sau tseg. Cov ntaub ntawv refractory thiab hluav taws kub resistant drywall hom muaj ntau yam zoo:
- Txhim kho hluav taws kub.
- Kev ua haujlwm zoo tshaj plaws, tshwj xeeb tshaj yog thaum siv phab ntsa ntub dej ua ke nrog lwm cov khoom siv hauv tsev tshwj xeeb.
- Tus nqi qis, kev teeb tsa yooj yim nrog rau kev siv yooj yim.
- Qhov ntev me me ntawm cov hluav taws kub-resistant boards, uas haum raws li qhov ntev ntawm cov qauv ntawv. Nws yog cov muaj peev xwm no uas tso cai rau, yog tias tsim nyog, muab tso rau hauv ib chav.
- qhov ntsuas tsawg kawg ntawm qib acidity.
Cov ntaub ntawv phab ntsa refractory yog dab tsi?
Cov khoom siv hluav taws xob rau cov phab ntsa tau nthuav tawm hauv ntau hom. Refractory pob zeb, uas yog cov khoom siv zoo heev thiab nyab xeeb, yog qhov xav tau tshwj xeeb. Nws muaj peev xwm tiv taus qhov kub thiab txias.
Cov khoom no muaj tag nrho cov porosity ntawm 45 feem pua lossis ntau dua. Nyob rau tib lub sijhawm, nws lub hom phiaj tseem ceeb yog siv los ua thermal rwb thaiv tsev. Cement yog cov khoom zoo uas tsis zoo li refractory uas zoo li tawv tom qab sib tov hmoov thiab kua. Ntau zuj zus, tib neeg tab tom yuav cov khoom sib xyaw hauv tsev xwb.
Tsis ntev los no, lwm yam khoom siv refractory rau phab ntsa tau tshwm sim ntawm kev tsim kho kev lag luam,Piv txwv li, pob zeb loj, txheej txheej, pob zeb sib xyaw thiab ntau lwm yam.
Cov khoom siv refractory ua li cas?
Cov txheej txheem tsim khoom ntawm cov khoom siv hluav taws xob pib nrog kev ua tib zoo npaj cov khoom siv raw uas tsim nyog. Cov neeg ua haujlwm tsim khoom manually xaiv txhua yam ntawm impurities. Cov kauj ruam tom ntej yog sib tsoo, sieving, thiab npaj cov sib tov. Hauv qhov no, nws yog ib qho tsim nyog yuav tsum ua raws li kev noj tshuaj nruj ntawm txhua yam khoom.
Qhov tseem ceeb tshaj plaws ntawm cov txheej txheem tsim khoom yog shaping, ziab, tua, thiab xaiv. Txawm li cas los xij, kev tsim cov khoom siv refractory yuav tsum pib nrog kev xaiv cov khoom zoo raw khoom. Nws yuav tsum tau enriched thiab crushed. Nws yuav tsum tau muab sau tseg tias raw cov ntaub ntawv muaj ob hom - ntuj thiab dag, uas yog xaiv raws li compatibility ntawm tshuaj thiab mineralogical compositions. Kev saib xyuas tshwj xeeb yog them rau cov qauv ntawm cov khoom siv raw rau kev tsim khoom ntxiv.
Refractory cib rau sauna siv
Thaum lub sijhawm npaj tsim kho, nws yuav tsum ua tib zoo xaiv cov ntaub ntawv refractory rau da dej. Nyob rau hauv tsis muaj cov ntaub ntawv lawv yuav tsum nthuav thaum lub sij hawm muaj zog cua sov, raws li zoo raws li deform. Ua piv txwv, peb tuaj yeem hais qhov tseeb tias cov hlau thaum lub sij hawm tso rau hauv qhov cub tsuas yog siv rau hauv qhov chaw nruj me ntsis. Qhov ntawd yog, qhov uas nws lub peev xwm nthuav dav yuav tsis cuam tshuam lub zog ntawm tag nrho cov qauv.
Thaum kev tsim kho, txhua tus yuav tsum nco ntsoov tias cov av nplaum liab zoo tib yam yuav tsis tuaj yeem tiv taussiab kub. Lawv yuav yaj thiab thaum kawg crumble. Tias yog vim li cas txhua qhov chaw uas muaj ntau dua lossis tsawg dua rau qhov kub thiab txias yuav tsum tau lined tshwj xeeb nrog cov cib refractory.
Ntau tus neeg tau paub txog cov khoom tshwj xeeb ntawm cov khoom siv refractory uas tuaj yeem tiv taus qhov kub tshaj plaws. Refractory cib muaj xim daj-xuab zeb thiab cov qauv granular. Nyob rau hauv kev ua lag luam, nws yog nthuav nyob rau hauv ib lub duab plaub thiab wedge-puab daim ntawv. Qhov ntawd yog, lawv paub qhov txawv ntawm qhov kawg thiab tav cib.
Cov cib nthuav tawm tsuas yog muab tso rau ntawm lub mortar, uas yog sib xyaw ntawm fireclay thiab refractory av nplaum. Tag nrho cov seams, uas muaj mortar, kuj tuaj yeem tiv taus qhov kub thiab txias (txog 1700 degrees Celsius). Nyob rau tib lub sijhawm, lawv yuav tsis tawg thiab poob rau deformation.
Kev faib cov ntaub ntawv refractory los ntawm porosity
Cov khoom muaj nws tus kheej porosity, yog li txhua yam tau raug muab faib tshwj xeeb:
- Kev ceev tshwj xeeb suav nrog qhib porosity txog 3 feem pua.
- Tus nqi siab - txog li 10 feem pua.
- Cov ntaub ntawv ntom ntom tau qhib porosity txog 16 feem pua.
Tom ntej no koj tuaj yeem hais meej:
- Compacted.
- Cov khoom hnyav nruab nrab.
- Low ceev.
- Cov khoom muaj porosity siab.
- khoom siv ultraporous.
Production Features
txheej txheemmolding ntawm cov ntaub ntawv nthuav tawm yog nqa tawm siv txoj kev ntawm semi-qhuav lossis kub nias. Rau kev ua haujlwm, yas molding, casting, vibrocasting, thiab sawing tuaj yeem siv tau. Blocks lossis pob zeb tau npaj ua ntej rau kev ua haujlwm.
Nyob rau hauv cov txheej txheem ntawm kev ua lub teeb yuag cov ntaub ntawv refractory, manufacturers siv roj txhaj, burnout additives thiab ntau lwm txoj kev. Cov ntaub ntawv tsis zoo yog feem ntau hardened los ntawm kev qhia cov ntxhia los yog organic binder. Nws yog ib qho ua tau kom ib leeg tawm ntawm qhov kev kho cua sov - cov no yog cov khoom raug rho tawm haujlwm thiab tsis raug rho tawm haujlwm. Nws yuav tsum raug sau tseg tias tag nrho cov kev kho cua sov ntawm cov khoom tsis raug rho tawm yuav tsum tsis pub tshaj 600 degrees Celsius. Yog tias xav tau kev tua hluav taws ntxiv, ces nws yuav tsum tau muab cov cua sov ntawm chav tsev thermal uas siv cov khoom siv no.
Rau cov khoom siv hluav taws xob raug rho tawm haujlwm, tag nrho cov txheej txheem kub yuav tsum siab tshaj 600 degrees Celsius. Tsuas yog nyob rau hauv txoj kev no tuaj yeem ua tiav tag nrho cov khoom tsim nyog lub cev thiab tshuaj lom neeg.
