Lub tshuab ziab khaub ncaws qhuav yog ib qho tseem ceeb ntawm EPS (Expanded Polystyrene) batch pre-expander tshuab. Lub tshuab ua ntej expander yog tsim los nthuav cov hlaws raw polystyrene siv chav, ua rau lub teeb yuag thiab ntau yam EPS ua npuas ncauj khoom. Lub tshuab ziab khaub ncaws kom qhuav ua lub luag haujlwm tseem ceeb hauv kev tshem tawm cov dej noo los ntawm cov hlaws nthuav dav thiab xyuas kom lawv tau npaj txaus rau kev ua haujlwm ntxiv lossis cov duab molding.
Nov yog cov lus piav qhia ntxaws ntxaws ntawm lub tshuab ziab khaub ncaws ua haujlwm ntawm lub tshuab EPS batch pre-expander:
Pre-expansion: Nyob rau hauv lub tshuab ua ntej expander, raw polystyrene hlaws dai yog tov nrog chav nyob rau hauv kev tswj qhov kub thiab txias. Cov txheej txheem no ua rau cov hlaws nthuav dav, nce lawv ntim thiab tsim cov qauv ua npuas ncauj. Nyob rau theem no, cov hlaws nthuav dav muaj cov dej seem seem ntawm cov chav, uas yuav tsum tau muab tshem tawm ua ntej molding lossis ua ntxiv.
Fluidization: Lub tshuab ziab khaub ncaws ua kom qhuav muaj lub tshuab ziab khaub ncaws uas nthuav tawm cov hlaws dai. Lub chamber muaj ib lub phaj perforated los yog tshuaj ntsuam nyob rau hauv qab, thiab ib tug huab cua faib system hauv qab nws. Raws li huab cua kub raug yuam los ntawm cov perforations, nws tsim ib qho kev nce siab ntawm huab cua uas ua rau cov hlaws dai rau hauv lub xeev zoo li kua. Qhov no yog hu ua fluidization.
Cov txheej txheem kom qhuav: Cov cua kub txav los ntawm lub txaj fluidized zoo hloov cua sov mus rau cov hlaws nthuav dav, ua rau cov seem uas muaj dej ntws tawm. Vim qhov kev txav mus tas li ntawm cov hlaws dai hauv lub txaj fluidized, cov txheej txheem ziab yog zoo ib yam thiab meej. Qhov kub thiab cua ntws hauv lub tshuab ziab khaub ncaws tuaj yeem hloov kho kom tswj tau qhov ziab kom qhuav thiab ua kom pom kev ziab kom zoo rau EPS hlaws dai.
Hauv cov ntsiab lus, lub tshuab ziab khaub ncaws ua kom qhuav ua lub luag haujlwm tseem ceeb hauv EPS batch pre-expander tshuab los ntawm kev tshem tawm cov dej noo los ntawm nthuav cov hlaws polystyrene. Lub kaw lus ua kom zoo ib yam kom qhuav, tswj cov khoom zoo, thiab pab txo qhov cuam tshuam ib puag ncig, ua rau nws yog ib feem tseem ceeb ntawm tag nrho cov txheej txheem EPS.
