Raws li cov khoom siv tseem ceeb rau kev khaws cia thiab kev thauj mus los, chaw nres nkoj hoppersyog dav siv nyob rau hauv ntau yam lag luam xws li chaw nres nkoj, mines, cement, thiab tshuaj. Hauv kev ua haujlwm tiag tiag, cov khoom siv adhesion rau sab hauv phab ntsa ntawm lubhopperyog ib qho teeb meem loj heev. Nws tuaj yeem txo qis kev thauj mus los thiab nce kev siv hluav taws xob lossis ua rau muaj kev cuam tshuam, khoom siv puas tsuaj, thiab txawm tias muaj xwm txheej nyab xeeb. Lub smoothness ntawmchaw nres nkojhopper covsab hauv phab ntsa yog qhov tseem ceeb ntawm kev daws qhov teeb meem no, thiab nws qhov tseem ceeb hauv kev tiv thaiv cov khoom adhesion khiav los ntawm tag nrho cov txheej txheem ntawmdavhlau ya nyob twg hopperkev ua haujlwm.
Sab hauv phab ntsa ntawm lub hopperyog du kom tsis txhob muaj kev sib tsoo thiab txo adhesion
Cov ntaub ntawv nyiam ua raws lichaw nres nkoj hopperphab ntsa vim muaj kev sib txhuam thiab adhesion rog ntawm cov khoom thiab phab ntsa nto. Ib lub phab ntsa ntxhib ua rau suav tsis txheeb "protrusions thiab indentations," uas tuaj yeem ua rau cov khoom siv sib cuam tshuam thaum cov khoom sib cuag nrog phab ntsa. Tsis tas li ntawd, qhov ntxhib saum npoo ua rau thaj chaw sib cuag ntawm cov khoom siv thiab phab ntsa, txhim kho molecular adhesion, tshwj xeeb tshaj yog rau cov ntaub ntawv uas muaj dej noo, roj, los yog nplaum (xws li thee slurry, cement clinker, tshuaj hmoov, thiab lwm yam).
Txhim kho qhov smoothness ntawm sab hauv phab ntsa yuav tshem tawm cov microscopic irregularities ntawm phab ntsa. Ntawm qhov tod tes, nws txo qhov kev sib txhuam coefficient ntawm cov khoom thiab cov phab ntsa, yog li txo qhov ua tau ntawm cov tshuab adhesion. Ntawm qhov tod tes, nws txo qhov kev sib cuag zoo ntawm cov khoom siv thiab cov phab ntsa, ua rau lub zog tsis muaj zog ntawm kev sib txuas thiab yog li tshem tawm cov xwm txheej tseem ceeb rau cov khoom adhesion. Cov ntaub ntawv tswv yim qhia tias thaum lub roughness ntawm lubhopperSab hauv phab ntsa Ra Tsawg dua lossis sib npaug li 1.6 μm, piv rau cov phab ntsa ntxhib nrog Ra Ntau dua lossis sib npaug li 6.3 μm, cov khoom siv adhesion tuaj yeem txo tau ntau dua 60%, tshwj xeeb tshaj yog ua kom pom kev tiv thaiv ntau dua - adhesion los ntawm cov khoom nplaum.
Cov phab ntsa zoo nkauj tuaj yeem tiv thaiv kev thaiv thiab ua kom cov ntaub ntawv du.
Lub luag haujlwm tseem ceeb ntawm achaw nres nkoj hopper yog kom ua tiav cov ntaub ntawv hloov pauv sai thiab ruaj khov, thiab cov khoom siv adhesion ncaj qha cuam tshuam cov txheej txheem no. Raws li adhesion txheej thickens, lub ntim txaus ntawm lubhoppermaj mam txo qis, cov khoom ntog dhau los ua qhov nqaim dua, thiab qhov thaiv qhov kawg yuav tshwm sim ntawm qhov chaw tseem ceeb xws li lub hopper cone thiab tawm qhov hluav taws xob.
Ib lub phab ntsa du du muab ib tug du zawv zawg channel rau cov khoom, tso cai rau nws mus sai sai swb nyob rau hauv lub ntiajteb txawj nqus thiab tiv thaiv cov tsim ntawm adhesion txheej ntawm phab ntsa. Piv txwv li, hauvchaw nres nkoj thee hloov hoppers,cov phab ntsa du tuaj yeem tiv thaiv cov thee los ntawm kev sib txuas ua ke vim muaj dej noo, yog li tsim "arch blockages" uas ua kom muaj kev ua haujlwm txuas ntxiv ntawm kev thauj mus los thiab txo lub sijhawm poob los ntawm kev thaiv kev tu.
Txhim kho qhov smoothness ntawm phab ntsa sab hauv tuaj yeem txo cov khoom siv poob thiab kev siv zog.
Kev sib txuas ntawm cov khoom siv tsis tsuas yog cuam tshuam rau kev ua haujlwm ntawm kev ua haujlwm tab sis kuj ua rau kom poob thiab kev siv zog ntawm cov khoom siv. Ntawm qhov tod tes, cov khoom sib txuas rau ntawm phab ntsa yuav ua rau tsis tu ncua ntawm cov phab ntsa sab hauvhopper,Feem ntau thaum cov khoom muaj cov khoom nyuaj, cov txheej txheem sib txuas yuav rub thiab cuam tshuam nrog cov phab ntsa, ua kom cov phab ntsa puas, thiab ua rau lub neej ua haujlwm luv.hopper; Ntawm qhov tod tes, txhawm rau kov yeej qhov kev tawm tsam los ntawm kev sib txuas ntawm cov khoom siv, cov khoom siv tsav tsheb muaj feem xyuam rau kev tsav lub hopper (xws li cov cuab yeej vibration thiab ntsia hlau conveyor) yuav tsum tau siv hluav taws xob ntau dua, ua kom lub zog noj.
Txhim kho qhov smoothness ntawm cov phab ntsa sab hauv tuaj yeem txo qhov poob ntawm ob qho tib si. Ua ntej, nws txo qis kev sib txhuam thiab hnav ntawm cov khoom siv thiab cov phab ntsa, txuas ntxiv lub voj voog txij nkawm thiab kev pabcuam lub neej.hopper, thiab txo tus nqi ntawm cov khoom siv hloov thiab kho. Qhov thib ob yog los txo qhov tsis kam ntawm cov khoom ntog thiab cov khoom thauj ntawm cov khoom siv thauj khoom, yog li txo qis kev siv zog. Noj qhov chaw nres nkoj loj - nplaiore hloov hopperRaws li qhov piv txwv, tom qab cov phab ntsa sab hauv yog polished, lub zog noj txhua hli tuaj yeem raug txo los ntawm kwv yees li 15%, thiab tus nqi tu txhua xyoohoppertuaj yeem txo qis dua 30%.
Lub puab phab ntsa du ua kom cov khoom zoo thiab kev nyab xeeb ntawm kev ua haujlwm.
Rau qee qhov kev lag luam uas xav tau siab rau cov khoom siv zoo (xws li zaub mov, tshuaj, thiab tshuaj zoo), cov ntaub ntawv sib txuas rau sab hauv phab ntsa.hopperyuav deteriorate thiab agglomerate vim lub sij hawm ntev - cia. Hauv hnyav-cov haujlwm ua haujlwm xws li cov chaw nres nkoj thiab cov mines, yog tias cov khoom sib txuas rau sab hauv phab ntsa ntawmhopper tsis tau ntxuav rau lub sijhawm ntev, qhov hnyav hnyav tuaj yeem tshaj qhov hopper tus kabmob txwv, ua rau muaj kev nyab xeeb xws lihopperdeformation, tawg, thiab txawm poob.
Cov phab ntsa du du txo cov khoom seem thiab kev sib txuas, txo qhov kev pheej hmoo ntawm cov khoom tsis zoo thiab kev sib kis. Tsis tas li ntawd, txo cov khoom sib txuas kuj tseem tuaj yeem txo qhov zaus ntawm kev ntxuav ntawm phau ntawv, tshwj xeeb tshaj yog rau qhov lojcov hoppers los yog siab - kub thiab tshuaj lom cov khoom ciacov hoppers, uas tuaj yeem zam qhov kev pheej hmoo ntawm kev nyab xeeb xws li siab - qhov siab ntog, lom, thiab siab - kub kub thaum nkag mus rau hauvhopperrau kev ntxuav, thiab txhim kho kev nyab xeeb ntawm kev ua haujlwm tag nrho.
Cov phab ntsa hauv du tuaj yeem hloov kho rau cov khoom sib txawv, yog li txhim kho cov versatility ntawm thehopper.
Cov yam ntxwv ntawm cov khoom siv sib txawv ntawm kev lag luam txawv txawv; Qee cov ntaub ntawv qhuav thiab xoob, thaum lwm tus yog moist thiab nkig, thiab qee qhov muaj corrosive Cheebtsam. Thaum cov phab ntsa sab hauv ntxhib cuam tshuam nrog cov ntaub ntawv ntawm cov yam ntxwv sib txawv, qhov kev tiv thaiv - cov txiaj ntsig kev sib txuas yog qhov sib txawv, thiab nws feem ntau xav tau kev hloov kho rau cov ntaub ntawv tshwj xeeb.
Cov phab ntsa sab hauv du muaj kev sib tw ntau dua, txawm tias nws yog cov ntaub ntawv qhuav los yog khov, lossis nrog chav - kub lossis siab - cov ntaub ntawv kub, nws tuaj yeem ua tiav qhov zoo dua los tiv thaiv- kev sib txuas los ntawm kev txo kev sib txhuam thiab adsorption. Txhim kho qhov smoothness ntawm sab hauv phab ntsa tuaj yeem pab kom tsis txhob muaj teeb meem ntawm cov khoom seem los ntawm cov khoom siv hloov, txo lub sij hawm ntxuav, txhim kho cov kev ua haujlwm zoo thiab kev hloov pauv ntawm cov khoom siv.hopper, thiab tshem tawm qhov kev xav tau ntawm kev hloov pauv tsis tu ncua ntawm covhopper.
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