Kev Sib Tham Txog Cov Khoom Siv Khoom Siv Khoom Siv Hauv Cov Khoom Siv Sand Regeneration

Kev Sib Tham Txog Cov Khoom Siv Siv Hluav Taws Xob Resin Sand Regeneration Technology
Hauv kev cob qhia niaj hnub casting, lub tuam tsev molding npaj cov xuab zeb pwm los ntawm kev sib xyaw cov neeg ua haujlwm nrog cov xuab zeb, thiab tom qab ntawd nchuav cov khoom siv hlau. Txawm li cas los xij, thaum cov hlau kub molten txias thiab cov castings raug tshem tawm, cov xuab zeb pwm uas zoo kawg nkaus zoo li lawv dheev crumble thiab ua pawg ntawm cov xuab zeb pov tseg (cov xuab zeb qub). Kev lig kev cai, cov xuab zeb qub no tau raug kho raws li kev lag luam khoom pov tseg ntawm tus nqi qis lossis tseem muaj pov tseg. Qhov no tsis yog tsuas yog ua rau cov khoom siv khib nyiab loj thiab cov nqi siab, tab sis kuj ua rau muaj teeb meem loj rau ib puag ncig.
Qhov tshwm sim ntawm resin xuab zeb regeneration tshuab yog precisely los daws qhov teeb meem no. Nws lub hom phiaj tseem ceeb yog siv cov txheej txheem ntawm lub cev lossis cov khoom siv tshuaj lom neeg los tshem tawm cov yeeb yaj kiab ua tsis tiav, plua plav thiab impurities npog cov xuab zeb nplej, rov ua kom lub cev thiab tshuaj lom neeg ntawm cov xuab zeb nplej kom ze rau cov xuab zeb tshiab, thiab yog li rov- qhia lawv mus rau hauv cov kab ntau lawm molding. Qhov no tsis yog tsuas yog kev tsim kho thev naus laus zis xwb, tab sis kuj tseem muaj kev hloov pauv loj ntawm lub tswv yim tsim khoom.
I. Lub hauv paus ntawm resin xuab zeb regeneration: Tshem tawm "inert membrane"
Cov xuab zeb hais lawv tus kheej (feem ntau quartz xuab zeb) muaj qhov kub thiab txias tsis kam thiab tshuaj lom neeg ruaj khov. Lub hauv paus ua rau lawv qhov kev ua tau zoo degradation yog qhov nyuaj, ntxeem tau inert resin zaj duab xis uas npog lub npoo ntawm cov xuab zeb hais nyob rau hauv rov ua cua sov thiab ua haujlwm txhua yam. Cov yeeb yaj kiab no txo ​​cov kev sib raug zoo ntawm cov xuab zeb tshiab thiab qub, ua rau cov xuab zeb poob qis thiab qhov nce ntawm qhov tsis zoo ntawm casting porosity. Yog li ntawd, lub luag haujlwm tseem ceeb ntawm cov khoom siv rov tsim dua tshiab yog kom ua tau zoo thiab kev lag luam tshem tawm cov yeeb yaj kiab no.
II. Mainstream Regeneration Equipment Technology Routes and Comparisons
Tam sim no, raws li cov txheej txheem sib txawv ntawm kev tshem tawm inert daim nyias nyias, resin xuab zeb regeneration feem ntau muab faib ua pawg hauv qab no:
Mechanical Friction Regeneration method
Lub hauv paus ntsiab lus: Los ntawm txoj kev siab -ceev rotating impeller, cov xuab zeb qub yog pov rau ntawm lub phaj tawv tawv. Los yog, los ntawm kev sib tsoo hnyav thiab kev sib txhuam ntawm cov xuab zeb thiab nruab nrab ntawm cov xuab zeb thiab cov khoom siv, lub inert daim nyias nyias yog tawg thiab tev tawm vim lub zog siv tshuab.
Cov khoom siv tseem ceeb:
Lub tshuab muaj zog sib txhuam rov tsim dua tshiab: Nws yog nruab nrog lub siab -rotor ceev thiab cov kab ruaj khov. Cov xuab zeb qub tau nrawm nrawm thiab sib tsoo hauv cov chav nqaim, uas ua rau muaj kev ua haujlwm zoo dua qub.
Centrifugal Impact Regeneration Tshuab: Siv lub zog centrifugal kom tshem tawm cov xuab zeb sai sai thiab ua rau lawv cuam tshuam rau kev hnav- lub nplhaib tiv thaiv lub hom phiaj.
Qhov zoo: Cov cuab yeej siv peev nyiaj tsawg, qhov system yooj yim, kev siv hluav taws xob tsawg, thiab nws yog qhov tsim nyog rau me me thiab nruab nrab- qhov loj foundries nrog rau kev sib koom ua ke ntawm av nplaum xuab zeb thiab sodium silicate xuab zeb.
Kev txwv: Kev tshem tawm tus nqi ntawm cov resin membrane (feem ntau nyob ib ncig ntawm 10-15%) yog qhov qis, qhov txo qis hauv qhov hnyav ntawm qhov hluav taws xob (LOI) ntawm cov xuab zeb regenerated yog txwv, thiab cov hmoov zoo tsim tawm yog loj, yuav tsum muaj kev sib koom ua ke ntawm kev tshem tawm plua plav.
2. Thermal regeneration
Lub hauv paus ntsiab lus: Hauv cov pa oxygen- qhov chaw nplua nuj ntawm qhov kub siab (kwv yees li 800 degree), cov yeeb yaj kiab hauv cov xuab zeb qub raug hlawv tag thiab oxidized rau hauv cov pa roj carbon monoxide (xws li CO2, H2O, thiab lwm yam) thiab tom qab ntawd tshem tawm, tawm hauv cov xuab zeb huv si.
Cov cuab yeej tseem ceeb: Cov khoom siv hluav taws xob rov ua dua tshiab, feem ntau yog nyob rau hauv daim ntawv ntawm lub txaj fluidized los yog rotary kiln, nruab nrog cov khoom siv hluav taws xob zoo, cov khoom siv hluav taws xob sib pauv thiab cov khoom siv roj purification.
Qhov zoo: Cov nyhuv regeneration yog qhov zoo tshaj plaws. Qhov zoo ntawm cov xuab zeb regenerated yog ze tshaj ntawm cov xuab zeb tshiab (qhov poob ntawm qhov hluav taws xob tuaj yeem txo qis qis dua 0.2%). Tus nqi rov siv dua yog siab (txog 90-95%), thiab nws tuaj yeem tshem tawm tag nrho cov pa phem.
Kev txwv: Cov cuab yeej xav tau kev nqis peev loj, muaj kev siv hluav taws xob tsis tshua muaj zog, yog qhov nyuaj heev, muaj kev ua haujlwm siab thiab tu cov nqi, thiab yuav tsim cov roj khib nyiab uas yuav tsum tau ua. Nws tsuas yog siv tau rau cov loj- nplai, siab- ntim, thiab siab- zoo casting tuam txhab (xws li tsheb cav thaiv thiab lub tog raj kheej taub hau).
3. Thermal-Mechanical Combined Recycling Method
Txoj Cai: Nws muab cov txiaj ntsig zoo ntawm ob txoj hauv kev. Ua ntej, cov zaj duab xis resin yog ua nkig thiab decomposed los ntawm qis - qhov kub thiab txias (300-500 degree), thiab tom qab ntawd cov yeeb yaj kiab uas twb muaj lawm raug tshem tawm tag nrho los ntawm kev sib txhuam.
Cov txheej txheem cov cuab yeej tseem ceeb: Cov xuab zeb qub → Preheating device → Mechanical regeneration machine → Cooling and sorting.
Qhov zoo: Nws ua tiav cov txiaj ntsig zoo dua qub dua li cov qauv siv tshuab ntshiab ntawm qhov kub qis dua li cov txheej txheem thermal ntshiab. Kev siv hluav taws xob thiab kev nqis peev poob ntawm ob. Tam sim no nws yog qhov kev xaiv tseem ceeb nrog cov nqi zoo dua thiab kev tshuav nyiaj li cas, thiab tau txais txiaj ntsig los ntawm nruab nrab - qhov loj thiab loj dua cov tuam txhab tsim khoom.
4. Qhuav rov tsim dua tshiab thiab ntub dej rov tsim dua tshiab
Cov txheej txheem qhuav: Qhov no yog hais txog cov txheej txheem thev naus laus zis thiab thermal, feem ntau yog ua cov xuab zeb qub qub. Tam sim no nws yog lub ntsiab lus tseem ceeb.
Txoj kev ntub dej: Cov impurities raug tshem tawm los ntawm txoj kev xws li hydrocyclone thiab txhuam. Nws cov nyhuv regeneration zoo heev, tab sis nws tsim ib tug loj npaum li cas ntawm cov dej khib nyiab uas yuav tsum tau kho. Lub kaw lus yog qhov loj me thiab tsis tshua muaj siv rau resin xuab zeb regeneration niaj hnub no vim muaj kev tiv thaiv ib puag ncig siab heev.
III. Core Supporting Equipment ntawm Regeneration System
Ib tug ua tiav regeneration system yog ntau tshaj li ib lub ntsiab chav tsev; Nws yog zoo li ib tug sophisticated "sand kho tsev kho mob":
Ua ntej- chav kho mob: Sib nqus sib nqus (rau tshem cov taum hlau), crusher (rau crushing loj xuab zeb blocks), tshuaj ntsuam tshuab (rau tshem cov pob txha thiab lwm yam impurities).
Rov qab lub ntsiab chav tsev: Cov tshuab kev sib txhuam tau hais los saum no, kho cua sov rauv, thiab lwm yam.
Post{0}}chaw ua haujlwm:
Huab cua- cais plua plav tshem tawm qhov system: Lub hauv paus ntawm cov tub ntxhais, nws tau zoo cais cov hmoov nplej zoo (plua plav) los ntawm cov xuab zeb los ntawm huab cua ntws, uas yog tus yuam sij kom ntseeg tau qhov zoo ntawm cov xuab zeb siv dua.
Cov txheej txheem cua txias: tshwj xeeb tshaj yog rau cov txheej txheem thermal lossis thermal-txoj kev siv tshuab, cov xuab zeb kub yuav tsum tau txias rau hauv chav tsev kub (feem ntau <40 degree) ua ntej nws tuaj yeem rov siv dua.
Sand cia thiab conveying system: Ua kom muaj kev cia thiab tsis siv neeg faib ntawm cov xuab zeb rov ua dua.
IV. Kev Sib Tham Txog Kev Sib Tham thiab Kev Pom Zoo yav tom ntej
Resin xuab zeb regeneration tsis yog ib txoj kev ntawm "tig pov tseg rau hauv cov khoom muaj nqis"; nws yog ib tug complex system engineering uas yuav tsum tau ua tib zoo xav.
Kev sib cav txog kev xaiv thev naus laus zis: Cov tuam txhab lag luam yuav tsum pom qhov zoo tshaj qhov sib npaug ntawm "cov kev xav tau ntawm cov xuab zeb zoo", "ib- lub peev xwm peev", "ntev- cov nqi khiav lag luam" thiab "kev tswj hwm ib puag ncig". Tsis muaj kev siv tshuab zoo tshaj plaws; tsuas muaj cov tshuab tsim nyog tshaj plaws.
Kev txiav txim siab nyiaj txiag: Lub sij hawm them nyiaj rov qab ntawm cov txheej txheem rov ua dua feem ntau suav nrog kev suav nyiaj khaws cia hauv cov nqi siv xuab zeb tshiab, cov nqi pov tseg cov xuab zeb pov tseg, nrog rau cov txiaj ntsig ntau ntxiv ntawm cov xuab zeb uas ua los ntawm cov xuab zeb ruaj khov.
Kev txawj ntse thiab kev ua kom zoo: Cov cuab yeej siv rov ua dua yav tom ntej yuav muab qhov tseem ceeb dua rau kev saib xyuas online (xws li qhov tiag - tshawb pom qhov txo qis, qhov loj me, thiab cov ntsiab lus noo noo) thiab kev tswj ntse, ua tiav qhov kev ua kom zoo dua qub ntawm cov txheej txheem rov ua dua tshiab thiab kev sib koom ua ke nrog tag nrho cov txheej txheem casting MES kom paub txog tag nrho{1} thiab cov khoom zoo.
Kev tiv thaiv ib puag ncig kaw lub voj: Kev sau tau zoo dua thiab kev kho mob tsis zoo ntawm cov plua plav thiab cov pa hluav taws xob tsim tawm thaum lub sijhawm rov ua dua tshiab yuav yog tus qauv tsim nyog rau cov khoom siv. Muaj tseeb tiag ua tiav cov txheej txheem ntsuab ncig ntawm "xuab zeb mus rau xuab zeb".
Xaus
Resin xuab zeb regeneration khoom yog ib qho tseem ceeb "lub raum" rau txoj kev loj hlob ntawm kev lag luam casting. Los ntawm kev ua kom huv thiab rov siv dua kev lag luam los ntawm - cov khoom, nws hloov cov qauv kev tsim tawm ib txwm ua rau cov qauv kev lag luam ncig.