Abantu abaninzi abaqhelananga ne-polyethylene ene-chlorine, kwaye njengoko igama libonisa, abaninzi abantu kufuneka bakwazi ukubona kuphela ukuba yimathiriyeli yeekhemikhali. Inenkqubo ebizwa ngokuba yi-extrusion molding, esabaluleke kakhulu kwinkqubo yemveliso. Ke namhlanje, yintoni esifanele sinikele ingqalelo kuyo ngexesha lenkqubo yokubumba i-extrusion yale mveliso? I-Chlorinated polyvinyl chloride
1. Kwifomula yezinto eziluhlaza zokwenza imibhobho, ingqwalasela kufuneka ihlawulwe ekukhethweni kwe-stabilizers kunye nezinye izixhobo zokuncedisa, kugxininise kakhulu ekuphuculeni ukunyibilika kwamanzi kunye nokuphucula ukuzinza kwe-thermal yezinto eziphathekayo. Ukuba kuyimfuneko, imathiriyeli yefomula inokuxutywa kuqala, kwaye iisampulu ezincinci zinokuthathwa ukuze zivavanywe. Ukuba akukho nto icacileyo yokuguqulwa kwebala okanye ukubola kwi-230 ℃ ibhokisi yokubonelela ngeeyure ezi-2, ibonisa ukuba ukukhethwa kwezinto ezincedisayo kunengqiqo ngakumbi.
2. Ubushushu benkqubo yokubumba i-extrusion ye-chlorinated polyvinyl chloride imathiriyeli iphezulu kancinane kunemibhobho ye-PVC. Kodwa kufuneka kuqatshelwe ukuba ukuguquguquka kokulawula ubushushu akunakudlula ± 5 ℃.
3. Ngethuba lokuveliswa kwemibhobho ye-CPVC, ukuba kukho ukuphuma kombane, ukungasebenzi kakuhle kwezixhobo, iimpawu zokuchithwa kwezinto ezinyibilikayo, okanye umsi ophuma emlonyeni we-mold, ukunikezelwa kwezixhobo kumbhobho womatshini kufuneka kumiswe ngokukhawuleza. I-resin ye-PVC kufuneka isetyenziswe ukususa izinto ezinyibilikayo ze-CPVC kwi-barrel yomatshini kunye nokungunda, kwaye emva koko umatshini kufuneka umiswe ukulungisa ingxaki.
4. Ngaphambi kokuba i-resin ifakwe kwimveliso, kufuneka yomiswe kwaye iphathwe kwi-80 ℃ ibhokisi yokubonelela ngeeyure ezingama-2-4. Ukuba kuyimfuneko, izinto ezixutywe ngesantya esiphezulu kufuneka zihluzwe ngesihluzo se-mesh engama-40 kube kanye, emva koko zifakwe kwi-extruder hopper ukwenzela ukuveliswa.
5. Igesi yeHCl ekhutshwe ngexesha lokubola kwe-CPVC inyibilika iyingozi kwimpilo yabantu, kwaye ingqwalasela kufuneka ihlawulwe kwi-ventilation kwi-workshop yokuvelisa.
6. I-extrusion machine barrel, screw, kunye nezinto ezityhidiweyo ezijikelezayo kwi-mold mold esetyenziselwa ukuvelisa i-CPVC resin kufuneka iqhube unyango oluchasene ne-corrosion ukwandisa ubomi benkonzo yezixhobo zokusebenza.
Kweyona nkqubo yokuvelisa, inkqubo yokubumba i-extrusion ye-chlorinated polyvinyl chloride isenzima kakhulu. Ngokuqinisekileyo, kubalulekile ukukhetha imveliso efanelekileyo xa uyisebenzisa kwiimeko ezithile, kwaye kufuneka siqwalasele ngononophelo umthamo wemveliso ukuququzelela ukusetyenziswa okusebenzayo.
Ixesha lokuposa: Nov-16-2023
