Kev ntsuas qhov zoo ntawm cov khoom sib tov (sib tov) yog ua raws li qhov sib txawv ntawm lub cev:
A. Kev sib xyaw ua ke: Tshawb xyuas lub cev kom muaj nuj nqis ntawm qhov zoo ntawm cov khoom, thiab tau txais los ntawm qhov kev xav tau. Qhov sib tov sib xyaw yog txiav txim siab los ntawm hom kev tov khoom.
B. Lub kaum sab xis tuag: yog hais txog lub cev tshwm sim uas cov khoom siv tsis tuaj yeem koom nrog hauv kev sib xyaw hauv lub thawv sib xyaw. Qhov feem pua ntawm lub kaum sab xis tuag yog lub cev kom muaj nuj nqis los ntsuas qhov zoo ntawm cov khoom sib tov.
C. Lub sijhawm sib xyaw: lub cev kom muaj nuj nqis rau kev ntsuas qhov sib xyaw nrawm, uas yog hais txog lub sijhawm txij li pib sib xyaw ntawm cov khoom sib txawv mus rau lub sijhawm thaum sib tov mus txog qhov xav tau uniformity. Lub sijhawm sib tov yog txiav txim siab los ntawm hom thiab qauv ntawm lub tshuab tov khoom.
Lub hauv paus ntsiab lus ntawm kev tov khoom (sib tov) xaiv:
Thaum xaiv lub tov khoom, ua ntej ntawm tag nrho cov, nws yog ib qho tsim nyog yuav tsum nkag siab txog txoj hauj lwm ntawm kev sib xyaw ua haujlwm nyob rau hauv tag nrho cov txheej txheem ntau lawm, lub hom phiaj ntawm kev sib tov, qhov yuav tsum tau sib xyaw degree, lub cev muaj zog thiab kev ua haujlwm ntawm cov hmoov thiab granules, thiab lwm yam kev ua haujlwm.
Cov haujlwm no feem ntau suav nrog:
1. Kev ua haujlwm tsis tu ncua lossis tsis tu ncua
2. Seb cov khoom yog shear rhiab heev
3. Txawm hais tias nws yog corrosive lossis yuav tsum muaj cov khoom siv tshwj xeeb
4. Seb puas tso cai rau qhov txo qis ntawm cov particle loj
5. Thaum tshav kub kub tshem tawm lossis ntxiv
6. Ib puag ncig yuav tsum tau muaj
7. Kev tu thiab tu cov kev xav tau ntawm lub tshuab tov khoom, thiab lwm yam.
Nyob rau tib lub sijhawm, nws yog qhov yuav tsum tau xaiv cov khoom sib tov tsim nyog raws li cov yam ntxwv ntawm lub tshuab tov nws tus kheej.
Feem ntau, kev xaiv tuaj yeem ua raws li peb lub hauv paus ntsiab lus hauv qab no:
Xaiv raws li qhov yuav tsum tau ua ntawm cov txheej txheem sib tov.
Kev xaiv raws li qhov yuav tsum tau ua ntawm cov khoom sib tov.
Raws li cov txheej txheem sib xyaw cov nqi xaiv.
1. Kev xaiv raws li qhov xav tau ntawm cov txheej txheem sib xyaw:
Thaum xaiv ib lub tov khoom, nws tsis tshua muaj los txiav txim siab hom khoom sib tov nkaus xwb los ntawm qhov zoo ntawm cov khoom sib xyaw uas tau txais hauv cov kev sim ywj pheej. Feem ntau, qhov zoo ntawm qhov sib tov thiab kev sib raug zoo ntawm cov khoom sib txawv sib txawv rau cov txheej txheem raug txiav txim siab ua ke, thiab cov cuab yeej sib xyaw tsis sib xws raug tshem tawm ua ntej hauv kev xaiv thawj zaug. Cov kev sib raug zoo no feem ntau yog hais txog cov hauv qab no:
khoom purity
Hauv ntau cov txheej txheem kev lag luam, qhov purity ntawm cov khoom tseem ceeb dua, txhawm rau kom tsis txhob muaj kev sib kis ntawm kev ua haujlwm batch, cov khoom sib tov yuav tsum tau muab ntxuav kom huv si tom qab siv txhua zaus. Txhawm rau hloov mus rau qhov xwm txheej no, cov duab sab hauv ntawm lub tov khoom yuav tsum du, lub puab nto yuav tsum polished nrog high precision, thiab nws yuav tsum yooj yim los ntxuav. Txhawm rau kom tsis txhob muaj kev sib kis ntawm cov roj lubricating, cov bearings thiab cov ntsaws ruaj ruaj yuav tsum tsis txhob tuaj rau hauv kev sib cuag ncaj qha nrog lossis so ntawm qhov sib tov. Rotary nruas mixers-uas yog, hom ob lub khob sib tov sib xyaw, V- hom mixers, thiab lwm yam, tuaj yeem ua tau raws li cov kev xav tau saum toj no, muaj cov duab yooj yim, thiab sab hauv ntawm lub tshuab tov khoom tsis muaj kev sib cuag nrog qhov sib hloov.
Qhov qis -ceev convective mixing khoom nrog complex impeller ntaus ntawv tsis tsuas yog muaj teeb meem tu, tab sis kuj tag nrho cov convective mixing khoom muaj peev xwm ntawm kev sib cuag ntawm cov sib tov thiab lubrication nto, xws li kab rov tav mixers, conical mixers, thiab lwm yam. Tsis tas li ntawd, ntau mixers tsis haum rau kev ua ib puag ncig uas cov khoom specifications hloov ntau zaus.
Mixer Containment
Thaum xaiv cov khoom sib tov, ntxiv rau kev muab cov khoom siab tshaj -purity, ib puag ncig teeb meem xws li plua plav spillage thiab ib puag ncig muaj kuab paug yuav tsum raug txiav txim siab. Los ntawm kev noj qab haus huv, kev nyab xeeb thiab kev lag luam ntawm qhov pom, cov plua plav spillage yuav tsum raug txo kom tsawg, thiab tag nrho cov hmoov yuav tsum tau muab kaw rau hauv ib lub thawv kaw kom ua haujlwm. Txawm li cas los xij, thaum lub sijhawm pub mis thiab tso tawm, lub thawv kaw yuav tsum qhib. Lub sijhawm no, qee cov hmoov av zoo yuav dhau mus thiab tawg mus rau hauv cov huab cua ib puag ncig, thiab cov kev ntsuas sib raug zoo yuav tsum tau ua kom txo qis cov pa phem.
pulverization
Qee lub sij hawm, cov txheej txheem sib tov yuav tsum zam lossis txhawb qhov txo qhov me me, uas yog, cov nyhuv crushing ntawm lub tov khoom. Raws li ib txwm muaj, kev ua haujlwm "mob" ntawm lub tshuab tumbler thiab qis - ceev convection tov khoom yuav tsis ua kom pom tseeb pulverization; tab sis cov khoom siv sib xyaw nrog siab - nrawm impeller cuam tshuam cov khoom lossis cov khoom sib xyaw nrog cov nyhuv shearing muaj zog muaj zog pulverization. nyhuv. Yog li ntawd, yog hais tias lub crushing nyhuv ntawm lub tov khoom yuav tsum me me, kev siv siab - ceev impeller mixers thiab sib tov khoom nrog ib tug me me qhov sib txawv ntawm lub impeller thiab lub puab phab ntsa ntawm lub tov khoom yuav tsum tau zam.
kub nce teeb meem
Pulverizing mixers nrog lub zog loj loj tuaj yeem ua rau lub hom phiaj kub nce hauv qhov sib tov. Yog hais tias lub preheating ntawm cov sib tov nyob rau hauv lub tov khoom yuav ua rau decomposition, cov khoom no yuav tsum tsis txhob siv. Ntawm lawv, nyob rau hauv ib tug neeg mob, qhov kub nce los ntawm lub siab - ceev impeller tov khoom yuav siv tau los ua ib tug tej yam ntawm cov khoom sib tov mus rau lub melting point thiab xyuas kom meej lub cev sib txuas ntawm cov khoom sib tov.
hnav teeb meem
Rau cov khoom uas muaj kev sib tsoo muaj zog, qhov teeb meem hnav ntawm cov khoom sib tov yog qhov tseem ceeb tshaj qhov sib tsoo, thiab txawm tias kev sib cuag nrog cov hmoov tshauv ya ntawm cov khoom sib xyaw no tuaj yeem ua rau muaj kev puas tsuaj. Hauv qhov no, cov khoom siv sib xyaw ua ke yog qhov zoo vim tias cov khoom sib xyaw tsis tuaj yeem sib cuag nrog cov nplaum nplaum thiab cov phab ntsa nruas yooj yim tuaj yeem tiv thaiv nrog cov txheej txheej hnav resistant.
Cov hmoov ntub dej sib xyaw
Rau kev sib xyaw ntawm cov hmoov ntub dej, cov khoom siv sib xyaw convection uas tsis cia siab rau lub ntuj ncig tuaj yeem siv tau, uas yog, yuam convection tov khoom. Yog hais tias cov av noo yog nce nyob rau hauv lub teb nruas tov khoom, kom tsis txhob agglomeration thiab agglomeration ntawm ib tug loj npaum li cas ntawm cov ntaub ntawv, ib tug stirring impeller yuav muab ntsia tau rau hauv lub tov khoom.
kev ua haujlwm tas mus li
Thaum lub sij hawm sib xyaw ua haujlwm tas mus li, cov kev qhia tshwj xeeb ntawm kev sib tov yuav tsis hloov ntau zaus, thiab kev ua haujlwm ntawm lub tshuab tov khoom tsis tseem ceeb heev. Qhov tseem ceeb yog lub sijhawm ua haujlwm, nrog kev them nqi txuas ntxiv thiab tso tawm haujlwm.
Tsis tas li ntawd, cov qauv tsim ntawm cov cuab yeej sib txuas txuas ntxiv kuj tseem txawv ntawm cov khoom sib xyaw ua ke. Cov kev tshwm sim tseem ceeb yog: nyob rau hauv rooj plaub ntawm xaiv ntau hom kev tswj kev pub noj, cov khoom sib txuas txuas ntxiv qee zaum xav tias yuav muaj ntau qhov rov qab sib xyaw kom tshwm sim hauv lub tov khoom.
2. Kev xaiv raws li qhov yuav tsum tau ua ntawm cov khoom sib tov:
Qhov sib tov zoo ntawm qhov sib tov thiab qhov ua tau zoo ntawm cov khoom sib tov sib xyaw ua ke. Tsuas yog nrog kev sib xyaw kom zoo ntawm cov khoom sib tov tuaj yeem ua tiav ntawm cov khoom sib xyaw ua tiav. Ib qho qauv tsim nyog rau kev sib piv cov khoom sib xyaw ua haujlwm yog qhov zoo ntawm qhov sib npaug sib npaug. Lub sijhawm xav tau rau cov khoom sib txawv sib txawv kom ncav cuag qhov sib npaug ntawm qhov sib npaug sib txawv, thiab cov qauv sib xyaw tuaj yeem siv los ntsuas nws cov txiaj ntsig los ntawm kev sib piv cov kev ua tau zoo ntawm txhua qhov sib tov.
Cov khoom sib xyaw nrog diffusion sib xyaw lossis shear sib xyaw ua cov txheej txheem sib xyaw tseem ceeb feem ntau muaj kev faib tawm, thaum cov khoom sib xyaw nrog cov sib xyaw ua ke raws li lub ntsiab sib xyaw ua ke yog tsawg dua. Lub tshuab tov khoom uas tso siab rau kev sib hloov los yog nplawm, xws li lub plhaub tig los yog ntsug stirring tov khoom, tuaj yeem tsim tau qee qhov kev faib tawm, tab sis lub tov khoom nrog lub duav impeller xws li ribbon -mounted mixer tuaj yeem txo qhov kev faib tawm.
Tsis tas li ntawd, qhov℃ntawm kev faib tawm kuj nyob ntawm cov yam ntxwv ntawm cov khoom. Thaum cov khoom siv ntxiv zoo dhau lawm los yog ntub dej ua rau lub fluidity tsis zoo, qhov zoo ntawm cov khoom sib xyaw ua los ntawm cov khoom sib xyaw nrog cov qauv sib txawv yuav tsis txawv ntau. Lub sijhawm no, kev xaiv cov qauv yuav tsuas yog txiav txim siab raws li tus nqi thiab cov txheej txheem yuav tsum tau ua. Txawm li cas los xij, yog tias cov khoom muaj fluidity zoo thiab kev ntsuam xyuas dav, nws yuav tsum tau xaiv nyob rau hauv ib qho kev tov khoom uas tsis muaj qhov tshwm sim ntawm kev sib tw kom tau txais cov txiaj ntsig zoo sib xyaw.
Thaum xaiv ib qho khoom tov rau cov hmoov viscous, qhov sib tov yuav tsum tau txiav txim siab, uas yog qhov tseem ceeb tshaj qhov zoo ntawm cov khoom sib npaug. Nws tseem yuav tsum tau muab sau tseg tias qhov sib tov ceev ntawm tib lub tov khoom nyob rau hauv ntau cov lus qhia yuav txawv. Piv txwv li, qhov sib tov ceev ntawm lub nruas sib tov yog ceev ceev nyob rau hauv lub radial kev taw qhia, thaum lub sib tov ceev nyob rau hauv lub axial kev taw qhia kuj qeeb. Txawm li cas los xij, rau kev sib xyaw nrog cov khoom ntws zoo, qhov sib xyaw ua ke muaj me ntsis ua nrog kev pub noj thawj zaug vim qhov muaj zog txav ntawm ib qho me me.
Nyob rau tib lub sijhawm, thaum ntsuas qhov kev ua tau zoo ntawm cov khoom sib tov, cov yam ntxwv ntawm kev ua haujlwm uas lub tov khoom yuav tsum yog tag nrho tsis tuaj yeem tsis quav ntsej. Qhov no yog vim qhov kev ua haujlwm khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob. , thiab cov xwm txheej no yuav txhawb nqa kev faib tawm, nws muaj peev xwm ua tau tias qhov qub siab - zoo sib xyaw hauv cov khoom sib tov yuav raug rhuav tshem los ntawm cov txheej txheem tawm.
Peb, raws li cov txheej txheem sib xyaw nqi xaiv:
Yog tias muaj ob lossis ntau lub tshuab tov khoom uas tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm cov txheej txheem thiab xyuas kom zoo ntawm cov khoom sib tov, qhov kev xaiv ntawm cov khoom sib tov yuav nyob ntawm seb tus nqi ntawm kev sib tov ua haujlwm. Hauv qhov no, nws yog ib qho tseem ceeb uas yuav tsum ua kom tiav thiab raug kwv yees tus nqi ntawm kev sib tov. Feem ntau, kev sib xyaw hmoov yog ib feem me me ntawm tag nrho cov nqi tsim khoom, thiab kev sib xyaw ua cov txheej txheem kim tsuas yog thaum lub sijhawm tsim khoom ntev vim yog tawm - ntawm - cov khoom tshwj xeeb.
Yog li ntawd, xaiv cov khoom sib xyaw uas ob qho tib si ua tau raws li cov kev qhia tshwj xeeb ntawm kev sib xyaw thiab ua haujlwm zoo nrog cov txheej txheem tag nrho yog qhov tseem ceeb tshaj li kev txuag me me hauv cov nqi khiav lag luam.
Tus nqi ntawm cov txheej txheem sib tov tuaj yeem decomposed rau hauv peb qhov chaw: A, kev nqis peev peev; B, kev siv zog; C, nyiaj ua haujlwm.
Rau batch mixing txheej txheem ntawm cov hmoov thiab granular cov ntaub ntawv, qhov sib txawv ntawm chav tsev ua hauj lwm nqi ntawm kev siv ib tug convection tov khoom thiab ib tug nruas tov khoom yog heev me me. Hauv kev txiav txim siab tag nrho cov nqi ntawm cov txheej txheem sib tov, feem ntau, cov nqi ua haujlwm yog qhov tseem ceeb, thiab kev ntsuas uas tuaj yeem txo cov ntsiab lus ntawm kev ua haujlwm tuaj yeem txo cov nqi khiav haujlwm.
Ib qho ntawm cov kev ntsuas los txo cov ntsiab lus ntawm kev ua haujlwm yog txo qis kev khiav hauj lwm zaus ntawm lub voj voog sib tov, uas yog, kom tsim nyog nce lub peev xwm ntawm cov txheej txheem qis, uas yog, kom tsim nyog nce lub peev xwm ntawm lub tshuab tov khoom. Txawm li cas los xij, kev txuag nyiaj ua haujlwm yuav ua rau tus nqi qis dua, yog li lub sijhawm mus ncig yuav tsum tau ua kom zoo dua. Tsim nyog tshaj - muaj peev xwm tsim tau, xws li rau cov nqi sib tov qis dua.
Qhov kev ntsuas thib ob los txo cov ntsiab lus ntawm kev ua haujlwm yog siv kev sib xyaw ua haujlwm tas mus li. Hauv qhov no, kev siv zog ua haujlwm tsawg, thiab lub luag haujlwm tseem ceeb ntawm cov khoom sib tov yog ua raws li lub nkoj tsis sib xws kom du tawm qhov hloov pauv ntawm cov khoom noj khoom noj. Thiab kev sib xyaw ua haujlwm tas mus li yuav tsis nce tus nqi qis thaum txo tus nqi zog. Nws yuav tsum tau hais tias, txawm li cas los xij, thaum lub hom phiaj tseem ceeb ntawm kev tswj cov dej ntws ntawm cov khoom siv los ntawm cov khoom siv rau cov khoom siv, tus nqi ntawm cov khoom siv ntxiv yuav nce.
