Tsev - Kev paub - Paub meej

Yuav kom txuag tau lub zog hauv lub khob rauv, cov ntsiab lus no yuav tsum ua tiav

1. Ua kom kub ntawm cov kua iav kom tsis txhob nce qhov kub ntawm qhov kub
Tom qab qhov kub ntawm cov kua iav yog nce, lub melting ceev yuav ceev, lub sij hawm melting yuav luv luv, thiab cov zis yuav nce, thiab cov chav tsev noj yuav txo tau. Txoj kev tshwj xeeb yog:
(1) Ua kom lub tshav kub ntawm qhov chaw nplaim taws mus rau lub khob kua.
① iav kua xaiv absorbs radiant zog, thiab lub zog nrog ib tug wavelength tsawg tshaj li 3 microns yog kis downward los ntawm cov kua nto. Cov pa roj carbon monoxide nyob rau hauv cov nplaim taws thiab cov phab ntsa sab hauv ntawm qhov chaw ci ci tuaj yeem tawm hluav taws xob hluav taws xob nrog lub wavelength tsawg dua 3 microns. Yog li ntawd, ua kom lub qhov dub ntawm cov nplaim taws thiab tswj kom muaj tus nqi siab dub ntawm lub qhov cub masonry tuaj yeem ua rau cov hluav taws kub kub ntawm qhov chaw nplaim taws ntawm cov kua iav. Tus nqi blackness muaj feem xyuam rau qhov roughness thiab kub ntawm masonry nto. Qhov dub qhov tseem ceeb ntawm av nplaum cib thiab silica cib ntawm qhov kub thiab txias yog 0.61-0.62 ntawm 10{{10}}0 degree , 0.{{ 7}}.53 ntawm 1200 degree , thiab 0.47-0.49 ntawm 1400 degree . Tus nqi blackness ntawm hluav taws xob fused refractory cib ntawm qhov kub thiab txias yog 0.4-0.5.
② Tshem tawm cov yeeb yaj kiab "cua txias" ze ntawm cov kua dej. Them mloog mus rau qhov siab ntawm lub phaj hauv qab ntawm lub cub tawg me me los ntawm cov kua theem thiab lub kaum sab xis ntawm cov nplaim taws tawm. Oxygen tshuab kuj tseem suav tau tias yog ib qho kev pab cuam melting, uas yog, tom qab tshuab pa oxygen ntawm qhov ceev ntawm 195-500 meters ib ob, qhov kub hloov pauv tuaj yeem ua kom ceev kom cov nplaim taws kub nyob ze ntawm cov kua theem li ntawm 100. degree.
(2) Txhim kho qhov kub thiab txias sib xws ntawm iav kua hauv lub tank kiln.
Lub tswv yim yog kom nce cov cua sov hloov ntawm cov nplaim taws mus rau cov kua ua kua los ntawm kev txo cov kua hluav taws kub. Thaum cov kua dej kub qis dua, nws kuj tseem txhim kho qhov sib xws ntawm cov iav kua kub hauv cov kev taw qhia ntawm lub pas dej tob. Cov kev ntsuas coj los ua kom tiav cov kev xav saum toj no yog:
① Ua npuas dej hauv qab ntawm lub pas dej. Kev saib xyuas yuav tsum tau them rau kev ua kom huv ntawm bubbling media thiab yaig ntawm bubbling cib.
② Ua kom lub pas dej tob. Nws tuaj yeem ua kom muaj zog convection nyob rau hauv txoj kab ntsug, txhim kho qhov kub thiab txias uniformity ntawm cov kua iav ntawm qhov tob ntawm lub pas dej, thiab kuj hloov mus rau kev txhim kho ntawm melting tus nqi.
③ Qhov hluav taws xob rwb thaiv tsev. Cov silica cib zoo yuav tsum tau siv, thiab cov txheej txheem rwb thaiv tsev nyob rau hauv kev sib cuag nrog silica cib yuav tsum siv silica insulating cib kom tsis txhob muaj kev sib cuag ntawm qhov kub thiab txias interfaces. Nyob rau tib lub sijhawm, nws yog ib qho tsim nyog los xyuas kom meej qhov nruj ntawm cov pob qij txha, thiab cov silica refractory av nkos yuav tsum tsis txhob muaj av nplaum lossis lwm yam impurities.
④ Hluav taws xob flux. Nrog kev pab ntawm electrodes, hluav taws xob hluav taws xob tau ncaj qha mus rau hauv cov roj rhuab iav tank rauv kom ntxiv qee cov cua sov uas yuav tsum tau ua rau melting, thiab txhim kho tus nqi melting thiab zoo ntawm iav kua.
2. Pem hauv ntej clarification, sib sib zog nqus txheej cov ntaub ntawv extraction, thiab tswj cov kua ntws nyob rau hauv ib tug channel ncaj qha tam sim no kev taw qhia
Qhov no yog ua raws li kev txhim kho qhov kub thiab txias ntawm cov kua iav hauv thaj chaw kom pom tseeb, txo qis reflux, thiab xaiv cov iav ua kua zoo rau hauv qhov ntws. Qhov no tuaj yeem txhim kho kev tsim khoom thiab zoo ntawm cov kua iav thiab txo qhov poob ntawm reflux iav kua. Yuav kom ua tiav cov kev ntsuas saum toj no, nws yog ib qho tsim nyog yuav tsum tau txais ib lub qhov cub uas tsis muaj qhov dav kom txo qhov tob ntawm lub qhov dej hauv qab ntawm lub clarifier, thiab kom tsis txhob poob dej thaum yaj cov khoom siv xim tsaus.
3. Txhim kho homogenization
Homogenization yog txheej txheem tseem ceeb uas cuam tshuam rau cov khoom zoo. Tam sim no, cov txheej txheem homogenization yog qhov tseem ceeb nyob rau hauv lub xeev ntawm "congenital deficiency thiab tau txais tsis txaus". Nws yog ib qho nyuaj rau tuav lub uniformity ntawm cov sib tov tom qab nkag mus rau hauv lub kiln, uas ua rau ib tug tsis sib xws muaj pes tsawg leeg. Lub thermal permeability ntawm cov iav kua thiab cov cua kub dissipation ntawm lub kiln nyob ib ncig ntawm nws ua rau tsis sib xws kub. Pom tau tias, kev cia siab ib leeg ntawm ntuj diffusion rau homogenization tsis tuaj yeem txaus siab. Txog qhov kawg no, kev ntsuas yuav tsum tau coj los tswj kev sib npaug. Tam sim no, cov kev ntsuas zoo muaj xws li: lub pas dej tsis muaj bubbling, sib xyaw hauv cov khoom siv, tso tawm cov khoom siv ua haujlwm lossis cov khoom siv hauv qab, thiab hluav taws xob cua sov ntawm cov khoom siv. Thaum siv cov kev ntsuas sib tov, nws yog ib qho tsim nyog yuav tsum tau them sai sai rau txoj haujlwm ntawm qhov sib tov, qhov tob tob ntawm lub stirrer, thiab cov txheej txheem sib tov, txwv tsis pub cov nyhuv xav tau yuav tsis ua tiav.
Cov khoom ntawm cov agitator yog ib qho teeb meem ceev uas yuav tsum tau daws. Cov kua dej ntws tuaj yeem tsis tsuas yog txhim kho sab nraud thiab txhim kho qhov sib txawv ntawm qhov kub thiab txias, tab sis kuj rub tawm cov av thiab crusts ntawm cov kua nto. Qhov loj ntawm lub tshuab tov khoom yuav tsum tsim nyog, tsis txhob ua rau kub poob ntau dhau, thiab cov paug tawm tuaj yeem ua rau tsis tu ncua lossis sib cuam tshuam. Hluav taws xob cua sov tuaj yeem txhim kho qhov ntsuas kub sib txawv hauv qhov sib sib zog nqus ntawm cov channel pas dej ua ke, tab sis qhov kub thiab txias ntawm cov kab rov tav ntawm cov channel tsis tas yuav txhim kho. Kev txiav txim siab ntawm cov duab electrode, qhov tsis kam ntawm iav kua ntawm cov hluav taws xob substrates, thiab cov txheej txheem ntawm kev hloov kho electrode, kev teeb tsa, thiab kev saib xyuas yog cov teeb meem uas yuav tsum tau muab sau tseg thaum siv cua sov. Thaum txais yuav tsum ntsuas homogenization, nws tseem tsim nyog los ua lub luag haujlwm ntawm ntuj diffusion. Yog li ntawd, qhov luaj li cas ntawm qhov chaw ua hauj lwm thiab qhov ntev ntawm txoj kev pub yuav tsum tau ua tib zoo xav hauv qhov tsim.
4. Cov khoom siv ruaj khov
Qhov ruaj khov ntawm cov duab, qhov loj me, thiab qhov kub thiab txias ntawm cov khoom noj yog qhov yuav tsum tau ua ua ntej kom ntseeg tau tias molding zoo thiab cov zis. Lub degree ntawm kev sib cais ntawm txoj kev pub thiab kev ua hauj lwm, nrog rau cov seem, qhov loj, thermal rwb thaiv tsev, cua sov thiab cua txias tshuab ntawm txoj kev pub, yog lub ntsiab yam tseem ceeb uas cuam tshuam rau stability ntawm cov khoom noj. Kev sib cais tag nrho ntawm txoj kev pub noj thiab cov chaw ua haujlwm tso cai rau txoj kev pub noj kom muaj kev ywj pheej ua haujlwm yam tsis muaj kev cuam tshuam.
Lub eeb zoo li tus ntoo khaub lig seem nyob hauv qab ntawm cov khoom siv channel tuaj yeem txo qhov kub ntawm qhov sib txawv. Kev ua kom tob tob hauv cov dej phwj tuaj yeem ua kom lub taub hau zoo li qub thiab ua kom qhov kub thiab txias ntawm cov khoom tee dej. Qhov ntev thiab dav ntawm cov khoom siv yuav tsum tau txiav txim siab raws li tus nqi ntawm cov khoom ntws thiab cov zis. Txoj kev pub noj ntev dua yog qhov zoo rau kev tswj qhov kub thiab txias thiab tuaj yeem hloov kho rau cov kev hloov pauv hauv cov dej ntws hla ntau yam. Thaum tshav kub kub dissipation muaj peev xwm ntawm cov khoom siv channel yog loj, tshwj xeeb tshaj yog nyob rau hauv cov khoom phiab. Yog li ntawd, nws yog ib qho tsim nyog los ntxiv dag zog rau thermal rwb thaiv tsev. Lub tshuab cua sov thiab cua txias yuav tsum muaj peev xwm hloov tau yooj yim thiab ntseeg tau kho qhov kub thiab txias ntawm cov iav kua thiab tswj qhov kub sib xws. Lub tshuab cua txias plays lub luag haujlwm hloov kho ntxhib, thiab lub tshuab cua sov ua lub luag haujlwm zoo. Ib qho kev sib txuas ua ke nrog ntau lub nozzle roj cua sov thiab hluav taws xob cua sov yog qhov zoo tagnrho.
5. Txo cov cua sov uas tsis xav tau
Txo cov cua sov tsis xav tau muaj ob yam:
(1) Txo cov cua sov uas siv tsis tau, xws li cov cua kub dissipation ntawm lub qhov cub, qhov hluav taws kub ntawm lub qhov ncauj, thiab cov cua kub uas ntws los ntawm cov pa tawm ntawm lub qhov ncauj thiab cov pob qij txha. Cov kev ntsuas tau suav nrog:
① Qhov hluav taws xob rwb thaiv tsev. Txhawm rau txhim kho cov thermal rwb thaiv tsev tsis tu ncua. Txoj kev txhim kho ntawm qhov cub hluav taws xob rwb thaiv tsev yog tsim cov txheej txheem ntau txheej thermal rwb thaiv tsev, txais cov khoom siv thermal rwb thaiv tsev, tsim cov khoom siv thermal rwb thaiv tsev ntau, thiab tsim cov ntaub ntawv sib khi sib txuam nrog ntau cov ntaub ntawv refractory.
② Kev sib khi ntawm qhov ncauj thiab cib sib koom ua ke. Kev ceev faj yuav tsum tau them rau qhov chaw noj mov, qhov ntsuas qhov kub thiab txias, qhov hluav taws kub, thiab lwm yam. Yog tias muaj kev tso cai, yuav tsum tau xaiv cov khoom ntim puv puv, thiab cov raj corundum embedded yuav tsum tau siv los ntsuas qhov kub thiab txias. Kev lag luam TV yuav tsum tau siv los soj ntsuam cov nplaim taws thiab tshuaj lom neeg.
③ Lub qhov cub loj. Qhov loj dua qhov cub nplai, qhov qis dua qhov cua sov dissipation rau ib chav tsev tso zis.
(2) Txo cov cua sov ntawm cov cua sov dua. Lub hom phiaj tseem ceeb yog txo cov cua sov uas siv los ntawm kev rov ua cua sov ntawm reflux iav kua, uas feem ntau suav txog ib feem kaum ntawm cov cua sov uas siv los ntawm iav melting. Cov kev ntsuas tau suav nrog kev teeb tsa lub qhov cub, ua rau lub qhov dej ntws tawm, tsim nyog txo qhov siab ntawm lub qhov dej ntws, thiab txo qhov kub ntawm lub khob kua nkag mus rau hauv lub qhov dej ntws.
6. Siv cov cua sov uas muaj
(1) Cov roj yuav tsum tau hlawv tag nrho kom tso tawm tag nrho cov cua sov. Yog li ntawd, thaum hlawv roj, nws yog ib qhov tsim nyog los xaiv cov roj nozzle uas muaj cov nyhuv atomization zoo, txais yuav cov kev ntsuas kom muaj zog atomization, thiab tsim ib lub cub tawg me me thiab qhov siab ntawm lub mis uas phim lub nozzle. Thaum hlawv roj, nws yog ib qho tsim nyog los txiav txim siab qhov tsim nyog qhov sib piv ntawm huab cua thiab roj, thiab nyob ib puag ncig cov pa nrog cua.
(2) Txhawm rau txhim kho kev sib pauv hluav taws xob thiab ua kom huab cua ua kom sov siab tshaj plaws, nws yog ib qho tsim nyog yuav tsum tau ua kom cov cua sov saum npoo ntawm daim phiaj cib, txais yuav cov kab sib chaws siab dua, txais yuav cov phiajcim tshiab thiab lawv txoj kev npaj, xws li ntoo khaub lig zoo li tus thiab cylindrical cib, thiab muab lawv tso rau hauv ib lub pob tawb los yog hom chimney. Nws tseem yog ib qho tsim nyog los kawm txog cov khoom ntawm lub checker cib thiab qhov sib xws ntawm airflow faib nyob rau hauv lub checker lub cev.
(3) Kev siv hluav taws xob hluav taws xob pov tseg. Lub tshav kub nqa los ntawm cov roj flue tawm los ntawm lub tshav kub cia chamber yuav tsum rov qab tau ntau li ntau tau raws li qhov kev tso cai. Cov khib nyiab kub boilers thiab cov kav dej kub tuaj yeem ntsia tau rau hauv lub tshuab hluav taws xob kom rov qab cua sov. Tsis tas li ntawd, nws yuav tsum tau kawm yuav ua li cas siv cov hluav taws xob seem ntawm cov roj hluav taws xob kom sov lossis txawm tias sinter lub batch.
7. Hloov qhov ntau npaum thiab spheroidizing ntawm batch
(1) Ntxiv me me ntawm fusion pab cov khoom xyaw, xws li lithium mica hmoov, rau hauv kev sib xyaw ua ke tuaj yeem txo cov iav melting kub, ua kom cov iav melting, thiab ua kom cov paug tawm ntau.
(2) Spheroidization ntawm batch. Nws raug nquahu kom siv cov spheroidization qhuav rau batch chaw kho mob, thiab cov batch raug nias rau hauv cov khoom me me yam tsis muaj binder. Nws tuaj yeem tshem tawm cov plua plav sab hauv thiab sab nraud ntawm qhov cub, ua kom cov txheej txheem ua kom muaj zog, thiab ua kom qhov chaw sib cuag ntawm cov batch thiab kua iav. Qhov no tuaj yeem ua kom luv lub sijhawm melting thiab txuas ntxiv lub neej ntawm lub cub tawg, thiab chav siv cua sov kuj yuav raug txo.
8. Siv cov ntaub ntawv zoo refractory thiab tsim nyog sib piv
Ntau yam khoom zoo thiab ruaj khov refractory yuav tsum tau siv, xws li cov ntaub ntawv capacitive refractory, los yog zirconium, chromium, corundum, spinel, thiab alkaline refractory cov ntaub ntawv, raws li zoo raws li high-density, high-lub zog refractory cov ntaub ntawv, thiab tsim nyog txuam yuav tsum tau. muab los xyuas kom meej synchronous loj hlob ntawm tag nrho cov kev pab cuam lub neej ntawm lub kiln. Qhov zoo ntawm cov khoom siv hluav taws xob hauv tsev yog qhov tseem ceeb rau cov khoom siv hluav taws xob, iav zoo, kev siv roj, thiab lub neej ntawm lub cub tawg. Kev siv cov khoom zoo refractory yuav tsum tau nthuav dav. Nyob rau lub sijhawm ntev, nws tsim nyog siv ntau dua rau cov khoom siv refractory. Kev txuag hluav taws xob hauv cov qhov cub iav muaj ntau yam, thiab yuav tsum muaj kev koom tes thiab kev sib koom tes los ntawm ntau lub tog kom ua tiav cov txiaj ntsig zoo.

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