Ƙofofin bayanin martaba na kasar Sin na PVC da samar da tagogi sun shiga wani lokaci na wucin gadi
Kimanin rabin karni kenan da fitowar kofofi da tagogi na farko na PVC a duniya a cikin Tarayyar Jamus a cikin 1959. Irin wannan nau'in kayan roba na PVC a matsayin albarkatun ƙasa yana da kyawawan kaddarorin injina, juriya na yanayi (juriya na ultraviolet) da jinkirin harshen wuta., Hasken nauyi, tsawon rayuwa, samar da dacewa da shigarwa, ƙarancin kulawa, da ƙananan farashi, da dai sauransu, sun sami babban ci gaba a cikin ƙasashe masu tasowa.Ƙofar PVC ta gida da masana'antar taga sun sami ci gaba na shekaru 30.Daga lokacin gabatarwa da saurin ci gaba, yanzu ya shiga lokacin mika mulki.
A cikin shirin "Shekaru biyar na sha daya", a fili kasar Sin ta gabatar da manufar rage yawan makamashin da ake amfani da shi a fadin kasar da fiye da kashi 20%.Bisa bayanan binciken da sassan da abin ya shafa suka fitar, yawan makamashin da kasar Sin ke amfani da shi a halin yanzu ya kai kashi 40 cikin 100 na yawan makamashin da ake amfani da shi, wanda ke matsayi na farko a cikin dukkan nau'in makamashin da ake amfani da shi, wanda kashi 46 cikin 100 cikin 100 na yin hasarar kofa da tagogi.Don haka, aikin kiyaye makamashi ya zama wani muhimmin mataki na rage yawan amfani da makamashi, wanda ya jawo hankalin jama'a da yawa, haka kuma yana daya daga cikin abubuwan da ke jawo saurin bunkasuwar masana'antar roba da tagar cikin gida.Tare da goyon bayan manufar "tsarar da makamashi da rage watsi" na kasa, aikace-aikacen buƙatun kasuwannin cikin gida ya kai fiye da 4300kt a cikin 2007, ainihin abin da aka fitar ya kai kimanin 1/2 na ƙarfin samarwa (ciki har da 2000kt ƙananan samfurori), yawan fitarwa na fitarwa. ya kusan 100kt, kuma yawan amfani da resin PVC na shekara-shekara Game da 3500kt ko sama da haka, wanda ke lissafin sama da kashi 40% na jimlar bututun PVC na ƙasata.Ya zuwa karshen shekarar 2008, an samu layukan samar da bayanan martaba sama da 10,000 a kasar Sin, wadanda karfinsu ya kai 8,000kt, da kamfanoni sama da 10,000.A shekara ta 2008, kasuwar kofofi da tagogi na ƙasara a cikin sabbin gine-ginen da aka gina a birane da garuruwa ya kai fiye da kashi 50%.A sa'i daya kuma, al'amurran tsaro da kare muhalli na kofofi da tagogi na robobi su ma sun sami kulawar mutane a matsayin kiyaye makamashi.
Lokacin aikawa: Janairu-12-2021