Polyvinyl chloride yana ɗaya daga cikin manyan robobi guda biyar na gaba ɗaya a duniya. Saboda ƙananan samar da farashin idan aka kwatanta da polyethylene da wasu karafa, da kyakkyawan aiki na aiki da kayan aiki na jiki da kuma sinadaran samfurori, zai iya saduwa da bukatun da ake bukata na shirya wuya ga taushi, na roba, fiber, shafi da sauran kaddarorin, kuma ana amfani dashi sosai. a fannoni daban-daban kamar masana'antu, noma, da gine-gine. Yadda ake sake sarrafa da kuma amfani da sharar polyvinyl chloride yana da matukar muhimmanci.
1.farfadowa
Da fari dai, ana iya yin sabuntawa kai tsaye. Farfaɗowar robobin sharar kai tsaye yana nufin sarrafawa kai tsaye da gyare-gyaren robobin datti ta hanyar tsaftacewa, murƙushewa, da gyare-gyare ba tare da buƙatar gyare-gyare daban-daban ba, ko sarrafawa da gyare-gyaren samfurori ta hanyar granulation. Bugu da ƙari, ana iya gyara shi kuma a sake haɓaka shi. Gyarawa da sabunta tsofaffin robobi na nufin gyare-gyaren jiki da sinadarai na robobin da aka sake yin fa'ida kafin sarrafawa da samarwa. Ana iya raba gyare-gyare zuwa gyaran jiki da gyaran sinadarai. Cikowa, fiber composite, da haɗakar da ƙarfi sune manyan hanyoyin gyaran jiki na PVC. Cika gyare-gyare yana nufin hanyar gyare-gyare na haɗe-haɗe iri-iri tare da mafi girma modules a cikin polymers. gyare-gyaren gyare-gyaren haɗin fiber yana nufin hanyar gyare-gyare na ƙara haɓaka mai girma da ƙarfin ƙarfi na halitta ko filaye na wucin gadi a cikin polymer, don haka inganta kayan inji na samfurin. Ana samun gyare-gyaren sinadarai na PVC ta hanyar canza tsarin PVC ta wasu halayen sinadaran.
2.Cire da amfani da hydrogen chloride
PVC ya ƙunshi kusan 59% chlorine. Ba kamar sauran nau'ikan polymers na carbon sarkar ba, sarkar PVC tana karyewa kafin babban sarkar yayin tsagewa, tana samar da iskar gas mai yawa na hydrogen chloride, wanda zai lalata kayan aiki, yana lalata gubar Catalyst, kuma yana shafar ingancin samfuran fata. Saboda haka, ya kamata a yi maganin cirewar hydrogen chloride yayin fashewar PVC.
3.Burning PVC don amfani da zafi da chlorine gas
Domin sharar robobi dauke da PVC, da halayyar high zafi tsara gaba ɗaya amfani da su gauraye su da daban-daban combustible sharar gida da kuma samar da m mai tare da uniform barbashi size. Wannan ba kawai yana sauƙaƙe ajiya da sufuri ba, har ma yana maye gurbin man da ake amfani da shi a cikin tukunyar jirgi mai kona kwal da masana'antu, da kuma narkar da chlorine don inganta yanayin zafi.
Lokacin aikawa: Yuli-21-2023
