Mna, uphononongo lwemarike
I-PVC (6402, 10.00, 0.16%) ikhontrakthi ephambili ngoDisemba 30 ivalwe kwi-6263 yuan / ton, inyanga ukuya kwi-312 yuan / ton (5.24%).
Ukujonga emva kuyo yonke iDisemba, kwisiqingatha sokuqala senyanga, iikontraki eziphambili zibonise ukunyuka okunyukayo ngenxa yokunciphisa umgaqo-nkqubo we-epidemic kunye nokukhulula umgaqo-nkqubo wezindlu.Kwisiqingatha sesibini senyanga, kunye nempembelelo yobhubhani kunye nemfuno enqabileyo ekupheleni konyaka, umgangatho wokubonelela kunye nemfuno awuphumelelanga ukunika impendulo efanelekileyo, kwaye imarike ngokuthe ngcembe yangena ekuhlanganiseni ukothuka.Ngasekupheleni konyaka, isiphumo seholide savela ngakumbi, sibonisa indlela yokunyuka ngokubanzi.
II, uhlalutyo lwamabala
Inkqubo yokuvelisa i-PVC ineentlobo ezimbini: indlela ye-calcium carbide kunye ne-ethylene indlela, indlela ye-ethylene yomgangatho we-PVC ecocekileyo kunye neyunifomu, ixabiso liphezulu kancinane kunendlela ye-PVC ye-calcium carbide.Iindidi zokuziswa kwekamva lePVC kwilizwe lethu yi-SG5 yebanga loku-1 ehambelana nomgangatho wesizwe.Akukho zithintelo ezicacileyo malunga nokuba imveliso yokuhanjiswa yenziwe yinkqubo ye-calcium carbide okanye inkqubo ye-vinyl.
Ukusukela nge-30 kaDisemba 2022, ixabiso lendawo kunye nokusasazeka kwePVC kuboniswe ngezantsi:
Ngaloo mini, i-avareji yexabiso lendawo ye-vinyl PVC e-China yayiyi-6,313 yuan/ton, inyuke nge-165 yuan/toni xa kuthelekiswa nokuphela kwenyanga ephelileyo.
Kwangolo suku lunye, i-avareji yexabiso lendawo ye-calcium carbide yasekhaya ye-PVC yi-6,138 yuan/ton, xa kuthelekiswa nokuphela kwenyanga edlulileyo, inyuke nge-198 yuan/ton.
Umahluko wamaxabiso phakathi kwendlela ye-ethylene kunye nendlela ye-calcium carbide ngaloo mini yayiyi-175 yuan/toni, xa kuthelekiswa nokuphela kwenyanga edlulileyo, inyuke nge-33 yuan/toni, umahluko wexabiso usekwizinga eliphantsi lembali.
Ukusukela nge-30 kaDisemba, i-2022, ixabiso lexesha elizayo lePVC lisasazeka yi -66 yuan/ton, 3 yuan/toni ngaphantsi kunosuku oludlulileyo, olukwinqanaba eliphantsi kwimbali.
III.Uhlalutyo lokubonelela
Kwangexesha elide, imarike yaseTshayina yePVC ibe yipatheni yophuhliso ekhoyo kunye neentlobo ezimbini zemigca yeteknoloji, indlela ye-calcium carbide kunye nendlela ye-ethylene, kodwa ngenxa yeempawu "zamalahle atyebileyo, ioli ehluphekileyo kunye negesi encinci" kwilizwe lethu, Indlela ye-calcium carbide i-PVC iye yaba yiteknoloji ehamba phambili kwilizwe lethu, kodwa kwiimarike zamazwe ngamazwe, iimveliso ze-PVC eziqhelekileyo zenziwe ngendlela ye-ethylene, kwaye i-ethylene iveliswa ngokuqhekeka kwamandla njengeoli kunye negesi.Ke ixabiso lePVC kunye namaxabiso eoli kumazwe ngamazwe abonisa unxulumano olunamandla.
Indlela yenkqubo yeVinyl PVC yile ilandelayo: ioli ekrwada - i-naphtha - i-ethylene - i-dichloroethane (EDC) - i-vinyl chloride (VCM) - i-polyvinyl chloride (PVC)
Inkqubo ye-calcium carbide isetyenziswa ngokubanzi kumashishini okuvelisa i-chlor-alkali yaseTshayina ukuvelisa i-PVC, kunye nemveliso ye-PVC nge-calcium carbide inkqubo malunga ne-80% yemveliso epheleleyo e-China.
Inkqubo yokuvelisa i-calcium carbide i-polyvinyl chloride yile: Ilahle - i-calcium carbide - i-acetylene - i-vinyl chloride (i-VCM) - i-polyvinyl chloride (i-PVC) indlela yokunciphisa umbane yindlela eqhelekileyo yokuveliswa kwemveliso ye-calcium carbide okwangoku, le ndlela ithatha i-coke (2798) , 29.50, 1.07%) kunye ne-lime njengezinto eziluhlaza, ngokomlinganiselo omiselweyo wokuxutywa kwisithando somlilo se-calcium carbide, i-calcium carbide iveliswa ngokufudumeza kombane ukuya kuma-2000-2200 degrees.Njengoko le ndlela idinga ukusebenzisa umthamo omkhulu wamandla ombane, iindleko zombane zithatha umlinganiselo ophezulu weendleko ezipheleleyo kwiinkampani zokuvelisa i-polyvinyl chloride usebenzisa indlela ye-calcium carbide.
Ukudibanisa, ixabiso lexesha elizayo le-PVC lichaphazelekayo ngamalahle ashisayo (0, -921.00, -100.00%) (ixabiso lombane), ixabiso le-coke kunye ne-calcium carbide ngexesha elifanayo, libonisa ukuhambelana okuphezulu.
Ngomhla we-03 kaJanuwari 2023, ixabiso lexesha elizayo lamalahle lamandla aseTshayina li-921 yuan/toni, xa kuthelekiswa nosuku oludlulileyo, akukho tshintsho;Ixabiso lokuhanjiswa kweCoke yi-2,610 yuan/toni, xa kuthelekiswa nosuku oludlulileyo, phantsi kwe-95 yuan/ton.
Ukusukela nge-30 kaDisemba, 2022, umndilili wexabiso le-calcium carbide kwiifektri ze-calcium carbide eziqhelekileyo kuMntla-ntshona we-China yi-3,910 yuan/toni, engenalo utshintsho xa kuthelekiswa nosuku oludlulileyo.Ixabiso lendawo ye-calcium carbide kwilizwe yi-4,101 yuan / ton, xa kuthelekiswa nosuku oludlulileyo, akukho tshintsho.
Xa amashishini e-chlor-alkali evelisa i-chlorine elulwelo, afumana ne-caustic soda, imveliso ehambelana nayo.Kwiminyaka yakutshanje, ixabiso le-soda ye-caustic kunye ne-chlorine yolwelo yenza i-seesaw effect, oko kukuthi, xa ixabiso le-soda ye-caustic liphezulu, ixabiso le-chlorine yolwelo liphantsi, kwaye ngokuphambene noko, eyenza inzuzo ye-chlor-alkali. amashishini agcina kwinqanaba elifanelekileyo.I-klorini yolwelo kunzima ukuyigcina kwaye ithuthwe kwimigama emide, ngoko ke abavelisi badla ngokudibanisa i-PVC kwaye basebenzise isitokhwe seklorin engamanzi.
Umzantsi we-caustic soda ikakhulu ubandakanya i-alumina, ukwenza iphepha, ukuprinta kunye nokudaya kunye namashishini amachiza.Ukufudumala komsinga we-caustic soda kuya kuqhuba ukwanda kwemveliso yesoda ye-caustic yamashishini e-chlor-alkali, kunye nemveliso edibeneyo ye-chlorine engamanzi iya kwenziwa ibe yi-PVC, ngaloo ndlela inyusa ngokuqhubekayo unikezelo lwemarike ye-PVC, eya kuthi icinezele ixabiso lemarike. PVC ukuya kumlinganiselo othile.Ngokubanzi, amaxabiso ePVC akholisa ukuhlala ephezulu xa amaxabiso e-caustic soda ephantsi.
Ukusukela nge-30 kaDisemba 2022, ixabiso lendawo ye-ionic membrane caustic soda yi-1,344 yuan/toni, xa kuthelekiswa nosuku oludlulileyo, akukho tshintsho, kwaye ixabiso langoku likwindawo ephezulu yembali.
Okwangoku, imfuno ephambili ye-caustic soda e-China ivela kwikhonkco yokuvelisa i-alumina, ngoko ke ixabiso le-caustic soda kunye nexabiso le-alumina libonisa ukuhambelana okuphezulu.
I-aluminiyam ye-electrolytic yasekhaya isetyenziswa ngokubanzi kwimizi-mveliso yezindlu, iimoto kunye namashishini ombane.Ukubuyiswa kwala mashishini asezantsi kuya kwandisa imfuno yeemveliso ze-aluminium, eziya kuhanjiswa ukuya phezulu, ukunyuka kwexabiso le-caustic soda kunye nokuchaphazela ngokungathanga ngqo kwixabiso lexesha elizayo le-PVC.
Ukusukela nge-30 kaDisemba 2022, ixabiso lendawo ye-alumina yasekhaya yi-2,965 yuan/toni, akukho tshintsho xa kuthelekiswa nosuku oludlulileyo, kwaye ixabiso langoku likumyinge wembali.
Ixesha lokuposa: Jan-13-2023