Imegharị ihe nke polyvinyl chloride

Polyvinyl chloride bụ otu n'ime plastik ise kachasị mkpa n'ụwa. N'ihi obere ọnụ ahịa mmepụta ya ma e jiri ya tụnyere polyethylene na ụfọdụ ọla, yana arụmọrụ nhazi ya dị mma na njirimara anụ ahụ na kemịkalụ nke ngwaahịa, ọ nwere ike igbo mkpa nke ịkwadebe ihe siri ike ruo nro, na-agbanwe agbanwe, eriri, mkpuchi na ihe ndị ọzọ, a na-ejikwa ya nke ukwuu n'ọtụtụ ngalaba dịka ụlọ ọrụ mmepụta ihe, ọrụ ugbo, na owuwu. Otu esi emegharị ma jiri polyvinyl chloride mkpofu eme ihe dị oke mkpa.
1. Mmeghari ohuru
Nke mbụ, enwere ike imegharị ihe ozugbo. Mmegharị ihe mkpofu kpọmkwem nke plastik mkpofu na-ezo aka na nhazi na ịkpụzi plastik mkpofu ozugbo site na nhicha, ịpịpịa, na ime ka plastik dị ọcha na-enweghị mkpa maka mgbanwe dị iche iche, ma ọ bụ nhazi na ịkpụzi ngwaahịa site na granulation. Na mgbakwunye, enwere ike ịgbanwe ma megharịa ya. Mgbanwe na imegharị ihe nke plastik ochie na-ezo aka na mgbanwe anụ ahụ na kemịkalụ nke plastik emegharịburu tupu nhazi na ịmepụta. Enwere ike kewaa mgbanwe ahụ n'ime mgbanwe anụ ahụ na mgbanwe kemịkalụ. Mmechi, ngwakọta eriri, na ịgwakọta ike bụ isi ụzọ isi gbanwee anụ ahụ nke PVC. Mgbanwe ndochi na-ezo aka na usoro mgbanwe nke ịgwakọta ihe ndozi ndochi ihe nwere modulus dị elu na polymers. Mgbanwe ndochi eriri na-ezo aka na usoro mgbanwe nke ịgbakwunye modulus dị elu na eriri eke ma ọ bụ nke arụrụ arụ dị elu n'ime polymer, si otú a na-eme ka akụrụngwa igwe nke ngwaahịa ahụ ka mma nke ukwuu. A na-enweta mgbanwe kemịkalụ nke PVC site na ịgbanwe nhazi nke PVC site na mmeghachi omume kemịkalụ ụfọdụ.
2. Iwepụ na iji hydrogen chloride eme ihe
PVC nwere ihe dị ka chlorine 59%. N'adịghị ka polima carbon ndị ọzọ, agbụ alaka nke PVC na-agbaji tupu agbụ isi ahụ n'oge mgbawa, na-emepụta nnukwu gas hydrogen chloride, nke ga-emebi akụrụngwa ahụ, mebie nsị Catalyst, ma metụta ịdị mma nke ngwaahịa mgbawa. Ya mere, a ga-eme ọgwụgwọ iwepụ hydrogen chloride n'oge mgbawa PVC.
3. Na-ere PVC ọkụ iji okpomọkụ na gas chlorine
Maka plastik mkpofu nwere PVC, a na-ejikarị ihe e ji emepụta okpomọkụ dị elu agwakọta ha na ihe mkpofu dị iche iche na-ere ọkụ ma na-emepụta mmanụ siri ike nke nwere nha nha nha nha. Nke a abụghị naanị na ọ na-eme ka nchekwa na mbugharị dị mfe, kamakwa ọ na-anọchi mmanụ ọkụ eji eme ihe na boilers na-ere ọkụ coal na ọkụ ụlọ ọrụ mmepụta ihe, ma na-ebelata chlorine iji melite arụmọrụ okpomọkụ.