I, bita kasuwa
PVC(6402, 10.00, 0.16%) babban kwangila a watan Disamba 30 rufe a 6263 yuan/ton, wata daya up 312 yuan/ton (5.24%).
Idan aka yi la'akari da dukan watan Disamba, a farkon rabin watan, manyan kwangiloli sun nuna haɓakar haɓakawa da godiya ga ƙaddamar da manufofin annoba da kuma sassauta manufofin gidaje.A cikin rabin na biyu na wata, tare da sake haifar da cutar da kuma raguwar buƙatu a ƙarshen shekara, matakin samarwa da buƙatu ya kasa bayar da kyakkyawan ra'ayi, kuma kasuwa a hankali ya shiga haɓakar girgiza.Kusa da ƙarshen shekara, tasirin biki ya ƙara fitowa, yana nuna haɓakar gaba ɗaya.
II, tabo bincike
Tsarin samar da PVC yana da nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in) yana samar da tsarin samar da hanyar: hanyar ethylene, hanyar ethylene na ingancin PVC mai tsabta da uniform, farashin ya dan kadan fiye da hanyar PVC carbide.Isar da iri-iri na gaba na PVC a cikin ƙasarmu shine SG5 aji 1 wanda ya dace da daidaitattun ƙasa.Babu takamaiman hani kan ko samfurin isar da aka yi shi ne ta hanyar tsarin carbide na calcium ko tsarin vinyl.
Tun daga Disamba 30, 2022, farashin tabo da yaduwar PVC ana nunawa a ƙasa:
A wannan rana, matsakaicin farashin tabo na vinyl PVC a kasar Sin ya kai yuan 6,313 / ton, sama da yuan 165 idan aka kwatanta da karshen watan da ya gabata.
A wannan rana, matsakaicin farashin tabo na gida na calcium carbide PVC shine yuan / ton 6,138, idan aka kwatanta da ƙarshen watan da ya gabata, ya haura yuan 198/ton.
Bambancin farashi tsakanin hanyar ethylene da hanyar calcium carbide a wannan rana ya kasance yuan / ton 175, idan aka kwatanta da ƙarshen watan da ya gabata, sama da yuan / ton 33, bambancin farashin har yanzu yana kan ƙaramin matakin tarihi.
Tun daga ranar 30 ga Disamba, 2022, farashin tabo na gaba na PVC shine -66 yuan/ton, yuan 3 ƙasa da ranar da ta gabata, wanda yake a ƙaramin matakin tarihi.
III.Binciken samarwa
Na dogon lokaci, kasuwar PVC ta kasar Sin ta kasance tsarin ci gaba tare da nau'ikan layukan fasaha guda biyu, hanyar calcium carbide da hanyar ethylene, amma saboda halaye na albarkatun "wadataccen kwal, matalauta mai da ƙarancin iskar gas" a cikin ƙasarmu. Hanyar calcium carbide PVC ta zama babbar fasahar fasaha a wannan ƙasa tamu, amma a kasuwannin duniya, ana yin amfani da kayan aikin PVC na yau da kullun ta hanyar ethylene, kuma ana samar da ethylene ta hanyar fashewar makamashi kamar mai da gas.Don haka farashin PVC da farashin man fetur na duniya suna nuna alaƙa mai ƙarfi.
Hanyar tsari na vinyl PVC shine kamar haka: danyen mai - naphtha - ethylene - dichloroethane (EDC) - vinyl chloride (VCM) - polyvinyl chloride (PVC)
Calcium carbide tsari da ake amfani da ko'ina a kasar Sin chlor-alkali samar Enterprises don samar da PVC, da kuma fitarwa na PVC ta calcium carbide tsari lissafin kusan 80% na jimlar fitarwa a kasar Sin.
Tsarin samar da calcium carbide polyvinyl chloride shine: Coal - calcium carbide - acetylene - vinyl chloride (VCM) - polyvinyl chloride (PVC) Hanyar rage wutar lantarki shine babban hanyar masana'antu na samar da calcium carbide a halin yanzu, wannan hanyar tana ɗaukar coke (2798). , 29.50, 1.07%) da lemun tsami a matsayin albarkatun kasa, bisa ga ƙayyadaddun rabo na gauraye a cikin rufaffiyar alli carbide tanderun, Calcium carbide ana samar da wutar lantarki zuwa digiri 2000-2200.Kamar yadda wannan hanyar ke buƙatar cinye adadin kuzarin lantarki mai yawa, farashin wutar lantarki yana da babban kaso na jimlar farashin kamfanonin samar da polyvinyl chloride ta amfani da hanyar calcium carbide.
Don taƙaitawa, farashin gaba na PVC yana shafar wutar lantarki ta thermal (0, -921.00, -100.00%) (farashin wutar lantarki), farashin coke da calcium carbide a lokaci guda, yana nuna babban haɗin gwiwa.
Ya zuwa ranar 03 ga Janairu, 2023, farashin makamashin kwal na kasar Sin ya kai yuan/ton 921, idan aka kwatanta da ranar da ta gabata, babu wani canji;Farashin isar da Coke shine yuan 2,610/ton, idan aka kwatanta da ranar da ta gabata, ya ragu da yuan 95/ton.
Ya zuwa ranar 30 ga Disamba, 2022, matsakaicin farashin tabo na calcium carbide a masana'antar calcium carbide na yau da kullun a arewa maso yammacin kasar Sin ya kai yuan 3,910/ton, wanda ba shi da wani canji idan aka kwatanta da ranar da ta gabata.Farashin tabo na calcium carbide a cikin kasar shine yuan 4,101 / ton, idan aka kwatanta da ranar da ta gabata, babu wani canji.
Lokacin da kamfanonin chlor-alkali ke samar da chlorine mai ruwa, suna kuma samun soda caustic, samfuri mai alaƙa.A cikin 'yan shekarun nan, farashin caustic soda da ruwa chlorine suna haifar da tasirin gani, wato, lokacin da farashin caustic soda yayi tsada, farashin chlorine na ruwa yana da ƙasa kaɗan, kuma akasin haka, wanda ke haifar da ribar chlor-alkali. kamfanoni suna kula da matakin da ya dace.Liquid chlorine yana da wuyar adanawa da jigilar kaya zuwa nisa mai nisa, don haka masana'antun sukan haɗa PVC kuma suna amfani da hannun jarin ruwa mai yawa.
Ƙarƙashin soda na caustic ya ƙunshi alumina, yin takarda, bugu da rini da masana'antun sinadarai.Dumamar da ke ƙasa na caustic soda zai haifar da haɓakar samar da soda na chlor-alkali masana'antu, kuma samfurin ruwan chlorine mai alaƙa za a sanya shi cikin PVC, don haka ƙara haɓaka kasuwar PVC, wanda zai matsa farashin kasuwa. PVC zuwa wani iyaka.Gabaɗaya, farashin PVC yakan kasance mai girma lokacin da farashin soda ya yi ƙasa.
Ya zuwa ranar 30 ga Disamba, 2022, farashin tabo na ionic membrane caustic soda ya kai yuan 1,344 / ton, idan aka kwatanta da ranar da ta gabata, babu wani canji, kuma farashin yanzu yana kan babban matsayi na tarihi.
A halin yanzu, babban bukatar soda caustic a kasar Sin ya fito ne daga hanyar samar da alumina, don haka farashin caustic soda da farashin alumina suna nuna babban haɗin gwiwa.
Aluminum na cikin gida ana amfani da shi sosai a cikin gidaje, motoci da masana'antar wutar lantarki.Sake dawo da waɗannan masana'antu na ƙasa zai ƙara buƙatar samfuran aluminum, wanda za a watsa zuwa sama, yana tura farashin caustic soda kuma a kaikaice yana shafar yanayin farashin makomar PVC.
Ya zuwa ranar 30 ga Disamba, 2022, farashin tabo na alumina na gida shine yuan 2,965 / ton, babu wani canji idan aka kwatanta da ranar da ta gabata, kuma farashin yanzu yana kan matsakaicin matsayi na tarihi.
Lokacin aikawa: Janairu-13-2023