Qeb khoom

Cov khoom uas kub

Xov xwm

Zus Tau Tej Cov Tshuab Los Ntawm Cov Yeeb Nkab PVC
May 23, 2018

Kev kho mob PVC thiab cov yas PVC ntau txheej txheem yog txawv me ntsis, vim hais tias cov khoom muag mos muag ntxiv rau feem ntau cov yas rau yas, yog li kneading plasticizing yog ib qho PVC tube qhov sib txuas ntawm qhov tseem ceeb. Nyob rau hauv lub qhov muag dub PVC kneading, thiaj li ua kom cov tawv nqaij ua kom zoo zoo, ua kom cov pob txha caj npab zoo sib xws, yuav tsum tau saib xyuas cov khoom noj. Thaum muab ib qhov nyiaj ntawm cov ntxhuav (xws li CaCO3), muab cov khoom thiab cov yas yas yuav tsum tov ua ntej. Yog hais tias lub pob zeb thiab cov tub luam thawj zaug muab sib xyaw, thiab tom qab ntawd ntxiv ib tug neeg yas rau yas, vim tias feem ntau cov qauv ntawm cov ciaj ciam feem ntau yog ntau tshaj lax dua li ntawm cov ntawv pov thawj, thaum ob qho tib si, plawg plawg thawj infiltration filler particles, tab sis tsis tag nrho ntawm cov tawv nqaij. Kneading kev siv ntawm "z" hom kneading tshuab, tsho sov cua sov, vapor siab txog 0.24 ~ 0.39mpa. Kneading 50 ~ 60min. Tom qab kneading los feem ntau ntxeev, los tiv thaiv cov tawv hauv zos overheating thiab decomposition. Cov khoom siv ua khob noom cookie yog extruded tom qab granulation thiab ces xa mus rau extrude lub yeeb nkab. Lub qhov dej sov so yuav muaj qis dua li extrusion PVC yeeb nkab kub.

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