Binciken sarkar masana'antar PVC da yanayin kasuwa

Binciken sarkar masana'antar PVC da yanayin kasuwa
Polyvinyl chloride (PVC) yana ɗaya daga cikin resins na gaba ɗaya guda biyar.An kafa ta ta hanyar polymerization na vinyl chloride monomers kyauta.Amfanin PVC ya zama na uku a cikin resins guda biyar na gaba ɗaya.A matsayin daya daga cikin mahimman nau'ikan masana'antar sinadarai na gaba, an fara bincikar PVC a cikin wannan takarda.Abu na biyu, babban kwangila na PVC ya sami raguwa sosai tun watan Yuni, kuma ya shiga mataki na haɗin gwiwa.Bangaren bukatu har yanzu yana cikin yanayin raunin gaskiya.Lokacin mafi girma a watan Satumba ya wuce, kuma karuwar bukatar a watan Oktoba yana buƙatar tabbatarwa.Idan karuwar buƙatun a watan Oktoba ya haifar da raguwar ƙididdiga na ƙididdiga, kuma ana sa ran sake dawowa a cikin farashin calcium carbide a gefen farashi zai kawo goyon baya na kasa, ana sa ran za a tallafa wa PVC.An shigo da shi cikin ɗan ƙarami.Duk da haka, bangaren samar da PVC na yanzu yana da yawan sabon ƙarfin samarwa a cikin kwata na huɗu.Idan ɓangaren buƙata bai ga ingantaccen ci gaba ba, ƙila ƙila ƙila za a iya yin ƙima a babban matakin, kuma PVC za ta kula da aiki mai rauni.

01. PVC masana'antu sarkar - albarkatun kasa karshen

Da farko, taƙaitaccen gabatarwa ga polyvinyl chloride, polyvinyl chloride (Polyvinyl Chloride, PVC a takaice), ba mai guba ba ne, farin foda mara wari tare da kwanciyar hankali na sinadarai da kyawawan filastik.Dangane da hanyar samun vinyl chloride monomer, ana iya raba shi zuwa hanyar calcium carbide, hanyar ethylene da shigo da su (EDC, VCM) hanyar monomer (hanyar ethylene da hanyar monomer da aka shigo da ita galibi ana kiranta hanyar ethylene), a tsakanin wanda hanyar ethylene shine mafi rinjaye a duniya., Ƙasata ta dogara ne akan hanyar calcium carbide PVC, adadin PVC da aka samar ta hanyar calcium carbide yana da fiye da 70%.Me yasa kasarmu ta bambanta da hanyoyin samar da PVC na kasa da kasa?

Daga hanyar samar da tsari, calcium carbide (CaC2, calcium carbide ne mai muhimmanci na asali sinadaran albarkatun kasa, yafi amfani da su samar da acetylene gas. Ana kuma amfani da Organic kira, oxyacetylene waldi, da dai sauransu) a cikin calcium carbide hanya lissafin game da 70% na farashin samarwa, Ɗaya daga cikin manyan kayan albarkatun calcium carbide, orchid, an yi shi da gawayi.Kasar tana da sifofin arzikin kwal, karancin mai da iskar gas.Saboda haka, tsarin samar da PVC na gida ya dogara ne akan calcium carbide.Hakanan za'a iya gani daga yanayin farashin carbide na calcium da farashin PVC na gida cewa a matsayin babban kayan albarkatun PVC, alaƙar farashin tsakanin su biyu yana da yawa sosai.

A kasashen duniya, hanyar man fetur da iskar gas (hanyar ethylene) ana amfani da ita ne, don haka farashi da farashin kasuwa ba su daidaita ba.

Kodayake ƙasata tana da manufar hana zubar da ruwa akan PVC, masana'antun cikin gida suna iya amfani da hanyar ethylene don samar da PVC ta hanyar siyan ɗanyen mai, ethylene da VCM monomers.Daban-daban hanyoyin samar da PVC suna da tasirin tasiri daban-daban akan gefen farashi.Hakazalika, canje-canje a farashin danyen mai da ethylene a ƙarshen ƙarshen aikin ethylene zai shafi samar da shirye-shiryen masana'antun PVC na gida ta hanyar tsarin calcium carbide.

02. Sarkar masana'antar PVC - amfani da ƙasa

Dangane da buƙatu, samfuran PVC na ƙasa za a iya raba su zuwa nau'ikan iri biyu: samfura masu ƙarfi da samfuran taushi.Kayayyakin ƙaƙƙarfan sun haɗa da kayan aikin bututu, ƙofofi da tagogi, tarkace da sauran zanen gado.Daga cikin su, bututu da bayanan martaba sune mafi mahimmancin buƙatu na ƙasa, suna lissafin fiye da 50%.A matsayin mafi mahimmanci a ƙasa, buƙatar bututu yana girma cikin sauri.Manyan gidaje da gine-ginen odar kasuwanci sun yi girma, kuma yawan amfani da albarkatun PVC ya karu sosai.Kayayyakin laushi sun haɗa da kayan rufe ƙasa, fina-finai, kayan kebul, fata na wucin gadi, takalma da kayan kwalliya, da sauransu.Dangane da bukatar tasha, dukiya ta zama yanki mafi mahimmanci na tattalin arzikin kasa wanda ke shafar PVC, wanda ya kai kusan kashi 50%, sannan abubuwan more rayuwa, kayayyaki masu ɗorewa, kayan da za a iya zubar da su da kuma noma.

03. Kasuwa Outlook

Daga ra'ayi na sarkar masana'antu, a gefen albarkatun kasa, farashin wutar lantarki na yanzu da kuma carbon blue suna cikin matakan da suka dace, kuma suna raguwa a cikin hunturu.Idan lokacin sanyi ya sake dawowa, farashin gawayi mai zafi da kuma carbon shudi na iya tashi a wani babban matakin, wanda zai fitar da farashin calcium carbide zuwa sama.A halin yanzu, farashin calcium carbide yana karkata daga farashin zafin wuta da carbon carbon, musamman saboda farashin PVC na calcium carbide yana da rauni.A halin yanzu, masana'antun calcium carbide sun haɓaka asarar su a hankali a ƙarƙashin matsin farashi.Ƙarfin ciniki na masana'antun kera na calcium carbide yana da iyaka, amma a cikin yanayin faɗaɗa asarar kamfanoni, yuwuwar jigilar kayan masana'antar calcium carbide a farashi mai yawa yana ƙaruwa.Wannan kuma yana ba da tallafin kuɗi na ƙasa don farashin PVC.

A cikin kwata na hudu, ana sa ran farfadowar samar da kayayyaki zai yi karfi.A cikin kwata na hudu, za a sami sabbin karfin samar da PVC miliyan 1.5, wanda miliyan 1.2 ke da tabbas.Za a saki ton 400,000 na sabon ƙarfin samarwa;Bugu da kari, Jintai yana da tan 300,000 na lokacin samarwa har yanzu ba a tabbatar da shi ba, gabaɗaya, matsin lamba akan samar da PVC a cikin kwata na huɗu yana da girma.

Gaskiya mai rauni a kan buƙatun buƙatu da ƙima mai girma na zamani shine manyan dalilan rashin ƙarfi na PVC.Sa ido ga yanayin kasuwa, lokacin kololuwar buƙatun zinare na gargajiya na PVC ya wuce.Duk da cewa bukatar a watan Satumba ta inganta, amma har yanzu ya yi kasa fiye da yadda ake tsammani.Bukatar na fuskantar gwaji a watan Oktoba.Idan buƙatun ya inganta kuma ana goyan bayan farashin ƙasa, PVC na iya ɗan sake dawowa kaɗan.Duk da haka, haɗe tare da babban haɓakar haɓakawa a cikin kwata na huɗu da kuma babban matsin lamba, ana sa ran cewa PVC za ta ci gaba da aiki mai rauni.