Cov phaj ntws dej Nws muaj kev ua haujlwm zoo heev rau kev ntws dej, tiv taus kev xeb, tiv taus siab thiab kev tiv thaiv ib puag ncig. Nws feem ntau siv rau hauv kev tsim kho vaj tse, kev tiv thaiv dej hauv qab nthab, kev ntsuab ntawm lub ru tsev, kev ntws dej ntawm txoj kev loj thiab txoj kev tsheb ciav hlau thiab lwm yam.
1. Kev xaiv cov khoom siv raw
Cov khoom siv tseem ceeb ntawm cov dej ntws yog cov polyethylene siab (HDPE), Polypropylene (PP) sib npaug cov yas muaj zog siab. Cov ntaub ntawv no muaj kev tiv thaiv corrosion zoo heev, tiv taus huab cua thiab tiv taus siab, thiab tuaj yeem ua tau raws li qhov xav tau ntawm kev siv hauv ntau qhov chaw sib txawv. Thaum xaiv cov ntaub ntawv raw, nws yog qhov tsim nyog los tswj hwm qhov zoo ntawm cov ntaub ntawv raw thiab xyuas kom meej tias cov ntaub ntawv ua tau raws li cov qauv tsim khoom, yog li kom ntseeg tau tias qhov kev ua tau zoo kawg ntawm cov dej ntws.
2. Cov txheej txheem ntau lawm
Cov txheej txheem tsim cov dej ntws feem ntau suav nrog cov kauj ruam xws li batching, stirring, extrusion, calendering (lossis pwm tsim), txias, txiav, tshuaj xyuas thiab ntim khoom.
1, Cov Khoom Xyaw: Raws li qhov xav tau ntau lawm, cov khoom siv raw xws li polymer, reinforcing fiber thiab filler raug sib xyaw raws li qee qhov sib piv. Hauv cov kauj ruam no, qhov sib piv ntawm cov khoom siv raw yuav tsum tau tswj hwm kom ntseeg tau tias qhov ua tau zoo thiab zoo ntawm cov dej ntws.
2. Kev Sib Tov: Muab cov khoom siv raw sib xyaw rau hauv lub tshuab sib tov thiab sib tov kom huv si kom cov khoom sib xyaw sib npaug. Thaum lub sijhawm sib tov, yuav tsum tau them sai sai rau qhov ceev thiab lub sijhawm sib tov kom ntseeg tau tias cov khoom siv raw sib xyaw tag nrho.
3. Kev rho tawm: Cov khoom sib xyaw yog rho tawm los ntawm lub tshuab rho tawm kom ua ib daim duab ntawm lub phaj ntws dej embryo. Thaum lub sijhawm rho tawm, qhov ceev thiab qhov kub ntawm kev rho tawm yuav tsum tau tswj kom ntseeg tau tias lub cev embryo zoo thiab zoo li cas.
4, Calendering (lossis pwm pwm): Lub cev embryo extruded yog calendered los ntawm calender lossis molded los ntawm lub pwm kom nws muaj qee qhov tuab thiab tiaj tus. Cov txheej txheem no yuav tsum tau tswj hwm lub siab calendering, kub thiab tsim pwm kom ntseeg tau tias lub cev embryo compactness thiab qhov loj me raug.
5, Kev Txias: Txias lub cev menyuam yaus uas tau calendered (lossis molded) kom nws ua tiav qee qhov tawv thiab ruaj khov. Thaum lub sijhawm txias, yuav tsum tau them sai sai rau qhov ceev thiab kub ntawm qhov txias kom tsis txhob muaj kev hloov pauv lossis tawg ntawm lub cev menyuam yaus.
6, Kev Txiav: Txiav lub cev txias raws li qhov loj me kom ua tiav cov khoom tiav ntawm lub rooj tsavxwm dej. Thaum lub sijhawm txiav, yuav tsum xyuas kom meej tias qhov tseeb thiab qhov ceev ntawm lub rooj tsavxwm dej loj thiab zoo.
7, Kev Tshuaj Xyuas thiab Ntim Khoom: Ua qhov kev tshuaj xyuas zoo ntawm lub rooj tsavxwm txiav, suav nrog qhov zoo li cas, qhov tseeb ntawm qhov ntev, cov khoom siv lub cev, thiab lwm yam. Tom qab dhau qhov kev tshuaj xyuas, nws yuav raug ntim dua, feem ntau qhwv hauv zaj duab xis yas, thiab cim thiab ntim khoom kom raug.
3. Kev tswj xyuas zoo thiab kev loj hlob yav tom ntej
Thaum lub sijhawm tsim cov dej ntws, kev tswj xyuas zoo yog qhov tseem ceeb kom ntseeg tau tias cov khoom ua haujlwm tau zoo. Cov khoom siv raw yuav tsum tau kuaj xyuas thiab tshuaj xyuas nruj me ntsis, thiab cov txheej txheem tsim khoom yuav tsum tau tswj hwm nruj me ntsis kom ntseeg tau tias txhua kauj ruam raug ua raws li kev ua haujlwm tau teev tseg. Tsis tas li ntawd, ua qhov kev tshuaj xyuas zoo ntawm cov khoom tiav lawm kom ntseeg tau tias nws ua tau raws li cov qauv thiab cov kev cai.
Lub sijhawm tshaj tawm: Lub Ib Hlis-18-2025
