Kiln rooj tog

Laub phaj (corundum mullite, corundum spinel), seesyite, corundum spinel), Corundum Mullite, Corundum Silicon Carbide)

Cov khoom no yog tiv taus qhov kub thiab txias, muaj qhov zoo thermal stability, thiab yog ib qho zoo tshaj plaws-kub cov khoom lag luam rau kev tua ntau yam khoom raw khoom siv. Cov khoom no tseem tuaj yeem siv rau hauv ntau cov ceramic lub cerams, uas tuaj yeem txo cov khoom lag luam tawm, slag thiab lwm yam tsis meej.

Muaj ntau txoj kev pwm rau Kiln rooj tog, tsuas yog suav nrog cov khoom moulding,}}}}}}}} tuj, thiab 1200- nyhav ib toos hydraulic xovxwm; Extrusion molding yog tsuas yog siv rau moulding ntawm puag ncig tubular pillar pricks; Yas av nkos moulding yog tsuas yog siv rau ntau hom saggers; Grouting moulding yog tsuas yog siv rau kev yoog raws ntau yam hnyav-dej txi dej mais tog.

 

Cov qauv ntawm kiln rooj tog hauv cov qauv tsim yog txhawm rau txo, nyias, thiab sib xyaw. Piv txwv li, nyob rau hauv cov cuab yeej kiln rau kev tua cov khoom noj khoom haus, cov pob txha caj dab, thiab cov nplais nyoos, thiab cov ntaub qhwv ntsej muag zoo li qub, thiab cov ntaub qhwv ntsej muag

Ntau hom ntawm Kiln cov cuab yeej muaj cov khoom siv sib txawv thiab kev loj hlob ntawm cov khoom siv refractory, uas tau piav qhia hauv qab no.

3.1.1 artificially synthesized violaiite thiab mullite Kiln rooj tog

(1) Violaugaite-Mullite Kiln rooj tog

Cov violaite thiab mullite nyob rau hauv cov violaus-mullite Kiln rooj tog yog thawj lub suab hluavtaws ua ntej, thiab tom qab ntawd tov nrog ib qho kev faib tawm loj. Cov txheej txheem ntau lawm hauv Nyij Pooj yog: thawj synthesize zoo nkauj violaiite thiab mullite sib xyaw, thiab tom qab ntawd sib tov, duab thiab hlawv lawv raws li ib qho kev faib ua feem. Cov txheej txheem ntau lawm hauv Tebchaws Europe thiab Tebchaws Asmeskas yog: cov phau ntawv sau ua ke, thiab cov phau ntawv yog bluestone, uas yog tov, pwm thiab hlawv raws li qee qhov kev faib ua feem. Cov txheej txheem tom kawg yog lub zog ntau dua. Cov hluav taws kub yog nqa tawm hauv qhov tshwj xeeb lub qhov cub lossis shuttle kiln, nrog lub cev hluav taws kub ntawm {}} deg kwm ntawm {}} teev.

Cov yam ntxwv ntawm Violause-Mullite Kiln rooj tog yog lub zog siab, uas muaj peev xwm daws tau qhov teeb meem ntawm lub neej, deformation thiab slag ntog thaum siv cov rooj tog natn.

(2) mullite kiln rooj tog

Synthetic Mullite muaj ob hom: sintered hom thiab fused hom. Cov neeg Sillimanite, Andalusite, thiab Kyanite kuj tau siv los ua cov ntaub ntawv raw lossis ncaj qha ua cov qoob loo.

Cov txheej txheem ntau lawm ntawm Mullite Kiln rooj tog:

①rw Khoom Siv thiab Kev Ua

Cov ntaub ntawv nyoos siv hauv Mullite Kiln rooj tog yog txhua yam khoom siv hluavtaws hluavtaws. Cov khoom siv raw yog qhov zoo heev thiab cov cai tau ua tsis muaj nruj. Feem ntau, muaj tshwj xeeb cov khoom siv raw ua tshwj xeeb los muab ntau cov khoom siv granular uas xav tau los ntawm lub Hoobkas Sagim. Lawv qhov kev ua tau zoo tau mus txog qhov xav tau kev xav tau. Yog li ntawd, kev ua haujlwm ntawm lub sagger ua tau ruaj khov thaum lub sij hawm hluav taws xob thiab siv cov txheej txheem.

②Molding thiab kom qhuav

Moulding Adinned Semi-qhuav txoj kev thiab ntub dej Moulding. Cov av nkos cov khoom siv rau cov ntub moulding yog ntau cov particle qib cov khoom xyaw. High-zog yas av nplaum yog xaiv los ua phau ntawv, thiab cov ntsiab lus noo noo yog tswj hwm ntawm qhov chaw qis thiab ntom ntawm cov khoom lag luam. Txhawm rau kom ntseeg tau cov kev qhia tshwj xeeb thiab cov tsos ntawm lub sagital, tus qauv tsim thiab ua qhov tseeb ntawm cov pwm yog nruj heev. Yog tias cov dej noo cov ntsiab lus ntawm cov khoom tiav yog siab dua 5%, nws yuav tsum tau qhuav. Lub tshuab ziab khaub ncaws ua kom muaj qhov sib txawv tshuab ziab raws li cov tuab tuab, qhov loj me thiab cov duab ntawm cov khoom. Qhov siab tshaj plaws ziab yog 70 degree.

Tua hluav taws

Lub cev hluav taws kub ntawm lub cev ntsuab yog feem ntau txog 50 qib siab dua li siv kub. Siv roj ntau dua thiab roj siv roj. Qhov kub tshaj plaws qhov sib txawv hauv lub Kiln tsis pub tshaj 5 degree kom ntseeg tau tias qhov ruaj khov ntawm cov khoom thaum siv.

Matht

Tom qab cov khoom siv tua hluav taws tau raug soj ntsuam, txheej txheej ntawm alumina slurry muaj txog 70% yog txau ntawm sab hauv cov khoom lag luam (feem ntau 240 zaug).

Mullite super refractory cov khoom siv tau raug rho tawm haujlwm ntawm qhov kub thiab txias nrog kev coj dawb huv uas yog cov khoom siv rawite. Cov khoom siv no muaj kev ua kom siab dua thiab siab kub lub zog. Qhov ntsuas kub ntawm cov nplaim taws tiv tauj nto tuaj yeem ncav cuag 1750 degree, thiab nws tau zoo tagnrho muaj siab-kub ntim ruaj khov. Nws yog tsim nyog rau cov cuab yeej kiln xws li cov khoom cub thiab cov ncej ntawm cov kub kub hauv paus.

(3) Cordierite Kiln rooj tog

Cordnierite Kiln rooj tog khoom lag luam yog siv rau kev tsim cov ceramics txhua hnub thiab kev ua haujlwm huv si ceramics, nrog kev ua haujlwm kub hauv qab 1300 degree. Muaj ntau cov txheej txheem ntau lawm:

As Semi-Qhuav Nias

Hom no feem ntau yog siv rau kev tsim cov laug cam. Raws li qhov loj me ntawm cov khoom lag luam, ib nrab-qhuav nias tuaj yeem ua tau siv siv presses ntawm cov tonnages sib txawv. Lub tonnage ntawm cov presses yog: 250 tons, 500 tons, thiab ntau tshaj ntawm 2000 tons. Cov dej noo cov ntsiab lus ntawm cov tsim dawb yog 5%. Tom qab ziab rau cov ntsiab lus ya raws ntawm<1%, it is put into the kiln for firing. Various shed boards are installed vertically on the kiln car and fired in a tunnel kiln. Natural gas is used as fuel and the firing is automatically controlled. The maximum firing temperature is 1380℃ and the firing cycle is 93 hours.

② Extrusion Moulding

Mas siv rau kev tsim cov ntau yam tubular tug ncej. Ua ntej, sib tov cov khoom xyaw thiab ntxiv dej, tom qab ntawd knead cov av nkos nyob rau hauv lub tshuab nqus tsev kneading tshuab, thiab txiav nws mus rau hauv av nkos ntu kom muab rau lub raj extruder. Cov dej noo cov ntsiab lus ntawm cov av av yog 16-20% thaum lub raj yog extruded. Lub tiaj tus extrusion txoj kev yog saws, thiab cov voos kev sib tw hlau yog siv rau kev txhawb nqa. Lub raj ntev yog 600-700 mm, thiab lub raj diameter yog tswj los ntawm extruder lub taub hau.

Lub raj raug rho tawm yog txiav rau hauv cov raj luv ntawm ntau qhov ntau thiab tsawg los ntawm pob zeb diamond cutter.

Yas Yas Mud Nias

Mas tsim ntau hom saggers, uas tau nias thiab tsim los ntawm 70- tuj xovxwm. Cov dej noo cov ntsiab lus ntawm cov av nkos yog 16%.

④ Grouting moulding

Cov khoom me me tau myas los ntawm grouting, thiab cov khoom loj yog molded los ntawm plaster pwm nrog cov hlau nplaum nrog sab nraud. Thaum ziab, cov plaster pwm thiab cov nrum ua ke tau thawb mus rau hauv chav ziab ua ke, kev sib tsoo tom qab ziab, thiab raug rho tawm haujlwm hauv kev txiav txim siab.

Los ntawm txhais tes molding

Nws yog tsuas yog siv los tsim cov khoom sib xws rau kev tua cov khoom noj kom huv si ceramics. Siv cov av nplaum yas cob kom ua rau hauv qab ntawm lub tais ua ntej, thiab tom qab ntawd ntxiv ib sab los tsim kev txhawb nqa Sagger.

Siv Cordierite raws li kiln rooj tog muaj tus nqi qis thiab lub neej pabcuam ntawm 100 txog 1000 zaug.

3.1.2 silicon carbide Kiln rooj tog

Silicon carbide lub rooj tog yog ua los ntawm silicon carbide ua cov khoom siv raw thiab ntau yam kev tua hluav taws kub. Cov ntau yam suav nrog cov khoom sib sib zog sib xyaw ua si silicon, nitride-bonded silicon carbide, microcrystalline mullite thiab corundum-bonded silicon carbide. Cov hauv qab no qhia txog kev tsim cov chaw txawv teb chaws silicate-bonded silicon carbide thiab nitride-uas birmide-bonded carbon rooj tog, silicon thiab recrystallized silicon carbide.

(1) cov txheej txheem ntau lawm

Cov txheej txheem ntau lawm ntawm Silicon Carbide Kiln rooj tog yog raws li hauv qab no:

Kev sib xyaw (siv cov tshuab ceev) → Moulding (Loj-tonnage Kiln) → TUJ, thiab {} → tuj tsis siv neeg hydraulic presses rau siab moulding;

Kom qhuav: cov ntsiab lus noo noo tom qab ziab yog tsawg dua 1%;

Kev tua hluav taws: Qhov chaw lim thiab cov Kiln tswb yog siv rau kev tua, thiab hluav taws kub yog 1400 degree.

Silicon nitride sib xyaw ua ke nrog silicon carractory cov ntaub ntawv yog kev sib xyaw ua ke ntawm coarse, nruab nrab, thiab zoo silicon carbide nrog zoo silicon nitride. Tom qab cov rooj tog zaum ntawm lub cev raug rho tawm haujlwm, nws yog cua sov kho kom tshem cov roj carbon ntau thiab nce cov kev pabcuam lub neej ntawm cov rooj tog zaum ntuj.

(2) lub cev thiab tshuaj lom neeg

Cov tshuaj lom neeg muaj pes tsawg leeg ntawm lub txee, ncej thiab sagger ntawm silicon carbide lub rooj tog yog raws li nram no:}}. 2%, fe 203 0. 2%.

Lub ntsiab kev siv tshuaj tseem ceeb ntawm silicon nitride sib xyaw ua ke nrog silicon carbide lub rooj tog yog raws li nram no: si2on}} si3n {}}}%.

(3) siv

Nyob rau hauv lub qhov cub thiab cov tshuaj tua kab mob kom tua hluav taws

3.1.3 TSHIAB COMPOSITE KILN rooj tog

Tus tshiab composite kiln rooj tog mas suav nrog Cleanierite-Aluminium Titanate thiab Aluminium npuaj mullite.

Aluminium Titanate muaj qhov siab tshaj plaws melting taw tes ntawm cov khoom nthuav dav uas twb muaj lawm thiab tuaj yeem siv tau ntawm qhov kub ntau tshaj 1600 degree. Nws tuaj yeem muab tso nrog Cordierite, Mullite, thiab lwm yam thiab feem ntau yog siv hauv siab thermal kev poob siab kuj muaj sij hawm.

Kev Siv Lub Cev thiab Tshuaj Ntawm Kiln Rooj Tog Zaum Cov Khoom

Cim npe nrov: Kiln rooj tog, Tuam Tshoj Kiln rooj tog tuam txhab, chaw muag khoom, Hoobkas