Matsayin cikin gida da yanayin ci gaban masana'antar PVC ta China

PVC ɗaya ce daga cikin kayan resin guda biyar na duniya, waɗanda ke da kyawawan halaye kamar juriyar acid da alkali, juriyar lalacewa, juriyar harshen wuta, da kuma kariya daga wuta. A halin yanzu, ta zama ta biyu mafi girma a cikin samfuran filastik a duniya bayan polyethylene.
1. Ƙarfin samar da kayayyaki na cikin gida da kuma fitar da kayayyaki na PVC
Tsarin samar da PVC ya ƙunshi hanyoyi guda biyu: hanyar calcium carbide da hanyar ethylene, babban bambanci shine hanyar shirya vinyl chloride monomer.
Daga mahangar samarwa a cikin 'yan shekarun nan, samar da PVC ya nuna karuwar ci gaba kowace shekara, kuma karfin samar da kayayyaki na masana'antu gaba daya ya shiga wani mataki na ci gaba mai ma'ana. Bukatar kasuwa ta dawo a hankali, kuma samarwa ta karu a hankali. A cewar bayanai daga China Chloroalkali Network, jimillar yawan aiki na masana'antar PVC ta China ya kasance sama da kashi 50% a cikin 'yan shekarun nan.
2. Tsarin Ci gaban Masana'antar PVC
(1) Ƙarfafa gina na'urorin haɗin kai na masana'antu
Tun daga shekarar 2007, ƙasar ta tsara wasu dokoki da ke ba da cikakkun ƙa'idodi don ci gaban masana'antar PVC. A lokaci guda, tana ƙarfafa gina kayan aiki masu tallafawa ga kamfanonin samar da sinadarin calcium carbide da chloral alkali, tare da ƙarfafa gina na'urorin haɗakar masana'antu. A ƙarƙashin jagorancin manufofin ƙasa na yanzu, kafa na'urorin haɗakar masana'antu ya zama wani yanayi na musamman a yankunan tsakiya da yammacin ƙasar Sin, waɗanda ke da wadataccen albarkatun kwal, ma'adanai na gishiri, da kuma albarkatun dutse. A ƙarƙashin rawar da na'urori masu haɗaka suka taka, ta hanyar dogaro da fa'idodin albarkatu masu yawa da fa'idodin daidaitawa, ana iya sarrafa farashin samarwa yadda ya kamata kuma ana iya sake yin amfani da samfuran da aka samar daban-daban, Inganta gasa a kasuwa da ikon rayuwa na kamfanin.
(2) Tsarin samarwa iri-iri
A cikin ci gaban da ake samu a yanzu a kamfanonin PVC na cikin gida, yawan mayar da hankali kan rarraba hanyoyin samar da kayan aiki yana ƙaruwa koyaushe, wanda hakan ke sa buƙatunsu na matakin fasaha ya ƙaru. Yanayin rarraba hanyoyin aiki ba zai iya tsayawa ba. Tare da ci gaba da haɓaka hanyoyin samar da PVC na cikin gida, kamfanoni suna buƙatar amfani da wasu sabbin hanyoyin samarwa a hankali yayin da suke riƙe da ainihin tsarin calcium carbide. A lokaci guda, fasahar polymerization ta PVC za ta inganta sosai, musamman dangane da ƙarfin samar da na'urorin polymerization. Bugu da ƙari, yana da mahimmanci a gabatar da fasahohin samar da kayayyaki na ƙasashen waje masu ci gaba da kuma haɓaka su a hankali don inganta ingancin tattalin arzikin masana'antar.