M, nyocha ahịa
PVC (6402, 10.00, 0.16%) isi nkwekọrịta na December 30 mechiri na 6263 yuan / ton, otu ọnwa elu 312 yuan / ton (5.24%).
N'ileghachi anya azụ na Disemba dum, na ọkara mbụ nke ọnwa, nkwekọrịta ndị bụ isi gosipụtara ọganihu elu n'ihi nkwụsị nke iwu ọrịa na-adịghị mma na ịtọpụ iwu ụlọ ahịa.N'ọkara nke abụọ nke ọnwa, na-enweghachi mmetụta nke ọrịa na-adịghị ala ala na njedebe nke afọ, ọkwa ọkọnọ na ọchịchọ adịghị enye nzaghachi dị mma, ahịa ahụ wee jiri nwayọọ nwayọọ banye n'ịgbasi ike.N'ihe dị nso na njedebe nke afọ, mmetụta ezumike ahụ pụtakwara n'ihu, na-egosi usoro elu elu.
II, nyocha ntụpọ
Usoro mmepụta PVC nwere ụdị abụọ: usoro calcium carbide na usoro ethylene, usoro ethylene nke àgwà PVC dị ọcha na otu, ọnụahịa dị elu karịa usoro PVC carbide calcium.Ụdị nnyefe dị iche iche nke ọdịnihu PVC na mba anyị bụ SG5 ọkwa 1 kwekọrọ n'ụkpụrụ mba.Enweghị mmachi doro anya ma ọ bụ usoro calcium carbide mere ngwaahịa nnyefe ma ọ bụ usoro vinyl.
Dịka nke Disemba 30, 2022, ọnụahịa ntụpọ na mgbasa nke PVC ka egosiri n'okpuru:
N'ụbọchị ahụ, nkezi ọnụahịa nke vinyl PVC na China bụ 6,313 yuan / ton, elu 165 yuan / ton ma e jiri ya tụnyere njedebe nke ọnwa gara aga.
N'otu ụbọchị ahụ, nkezi ntụpọ ọnụahịa nke calcium carbide PVC ụlọ bụ 6,138 yuan / ton, ma e jiri ya tụnyere njedebe nke ọnwa gara aga, elu 198 yuan / ton.
Ọnụ ego dị iche n'etiti usoro ethylene na usoro calcium carbide n'ụbọchị ahụ bụ 175 yuan / ton, ma e jiri ya tụnyere njedebe nke ọnwa gara aga, elu 33 yuan / ton, ọdịiche ọnụahịa ka dị na ọkwa dị ala.
Dị ka nke Disemba 30, 2022, ọnụahịa ntụpọ PVC n'ọdịnihu na-agbasa bụ -66 yuan / ton, yuan / ton dị ala karịa ụbọchị gara aga, nke dị na ọkwa dị ala na akụkọ ntolite.
III.Ntụle ọkọnọ
Ruo ogologo oge, ahịa PVC nke China bụ usoro mmepe nke jikọtara ya na ahịrị teknụzụ abụọ, usoro calcium carbide na usoro ethylene, mana n'ihi njirimara nke "coal bara ụba, mmanụ dara ogbenye na obere gas" akụ na mba anyị. Usoro calcium carbide PVC aghọwo nkà na ụzụ na-eduga na mba anyị, ma n'ahịa mba ụwa, a na-emepụta ngwaahịa PVC bụ isi site na usoro ethylene, a na-emepụta ethylene site na mgbawa ike dị ka mmanụ na gas.Ya mere, ọnụahịa nke PVC na ọnụ ahịa mmanụ mba ụwa na-egosi njikọ siri ike.
Ụzọ usoro nke vinyl PVC dị ka ndị a: mmanụ crude - naphtha - ethylene - dichloroethane (EDC) - vinyl chloride (VCM) - polyvinyl chloride (PVC)
A na-eji usoro calcium carbide mee ihe na ụlọ ọrụ mmepụta ihe chlor-alkali nke China na-emepụta PVC, na mmepụta nke PVC site na calcium carbide usoro ihe dị ka 80% nke ngụkọta mmepụta na China.
Usoro mmepụta nke calcium carbide polyvinyl chloride bụ: Coal - calcium carbide - acetylene - vinyl chloride (VCM) - polyvinyl chloride (PVC) usoro mbelata eletrik bụ isi usoro mmepụta mmepụta nke calcium carbide ugbu a, usoro a na-ewe coke (2798). , 29.50, 1.07%) na wayo dị ka akụrụngwa, dị ka a ofu ruru nke agwakọta n'ime mechiri emechi calcium carbide ọkụ, Calcium carbide na-emepụta site electric kpo oku na 2000-2200 degrees.Dị ka usoro a chọrọ iri nnukwu ọkụ eletrik, ọnụ ahịa ọkụ eletrik na-akwụ ụgwọ maka ọnụ ahịa dị elu maka ụlọ ọrụ mmepụta polyvinyl chloride na-eji usoro calcium carbide.
Iji chịkọta ọnụ, ọnụahịa ọdịnihu nke PVC na-emetụta ọkụ ọkụ (0, -921.00, -100.00%) (ọnụahịa eletriki), ọnụ ahịa coke na calcium carbide n'otu oge, na-egosi njikọ dị elu.
Ka ọ na-erule Jenụwarị 03, 2023, ọnụahịa ọkụ ọkụ China bụ yuan / ton 921, ma e jiri ya tụnyere ụbọchị gara aga, enweghị mgbanwe;Ọnụ ahịa mbufe Coke bụ 2,610 yuan / ton, ma e jiri ya tụnyere ụbọchị gara aga, gbadara yuan / ton 95.
N'ime Disemba 30, 2022, nkezi ọnụahịa calcium carbide na ụlọ ọrụ calcium carbide bụ isi na Northwest China bụ 3,910 yuan/ton, nke enweghị mgbanwe ma e jiri ya tụnyere ụbọchị gara aga.Ọnụ ego ntụpọ calcium carbide na mba ahụ bụ 4,101 yuan / ton, ma e jiri ya tụnyere ụbọchị gara aga, ọ dịghị mgbanwe ọ bụla.
Mgbe ụlọ ọrụ chlor-alkali na-emepụta chlorine mmiri mmiri, ha na-enwetakwa soda caustic, ngwaahịa jikọtara ya.N'ime afọ ndị na-adịbeghị anya, ọnụahịa nke soda caustic na mmiri mmiri chlorine na-emepụta mmetụta seesaw, ya bụ, mgbe ọnụ ahịa caustic soda dị elu, ọnụ ahịa chlorine mmiri mmiri dị ntakịrị, na nke ọzọ, nke na-eme ka uru nke chlor-alkali. ụlọ ọrụ na-edobe n'ogo ezi uche dị na ya.Mmiri chlorine siri ike ịchekwa ma bufee ya n'ebe dị anya, ya mere ndị na-emepụta na-emepụta PVC ma na-eji oke mmiri chlorine ebuka.
Ihe mgbada nke soda caustic gụnyere alumina, ime akwụkwọ, ibipụta na ịcha akwa na ụlọ ọrụ kemịkalụ.Ọkụ na-ekpo ọkụ nke soda caustic ga-eme ka mmụba nke mmepụta soda nke ụlọ ọrụ chlor-alkali, na ngwaahịa chlorine mmiri mmiri ga-eme ka ọ bụrụ PVC, si otú a na-abawanye ụba ahịa nke PVC, nke ga-akụda ọnụahịa ahịa nke ahịa. PVC ruo n'ókè ụfọdụ.N'ozuzu, ọnụ ahịa PVC na-adịkarị elu mgbe ọnụ ahịa soda caustic dị ala.
N'ihe dị ka Disemba 30, 2022, ọnụahịa ntụpọ nke ionic membrane caustic soda bụ 1,344 yuan / ton, ma e jiri ya tụnyere ụbọchị gara aga, ọ nweghị mgbanwe ọ bụla, ọnụahịa ugbu a dị n'ọnọdụ dị elu nke akụkọ ihe mere eme.
Ka ọ dị ugbu a, isi ihe na-achọ caustic soda na China sitere na njikọ mmepụta alumina, ya mere ọnụahịa nke soda caustic na ọnụahịa nke alumina na-egosi njikọ dị elu.
A na-eji aluminum electrolytic eme ihe n'ọtụtụ ebe n'ime ụlọ, ụgbọala na ụlọ ọrụ ọkụ eletrik.Mweghachi nke ụlọ ọrụ ndị a dị n'okpuru ala ga-eme ka ọchịchọ nke ngwaahịa aluminom, nke a ga-ebufe na elu, na-ebuli ọnụ ahịa soda caustic ma na-emetụta ọnụahịa ọnụahịa nke ọdịnihu PVC.
Dị ka nke December 30, 2022, ọnụ ahịa ntụpọ nke alumina ụlọ bụ 2,965 yuan / ton, ọ dịghị mgbanwe ma e jiri ya tụnyere ụbọchị gara aga, na ọnụahịa ugbu a dị na ọkwa nke akụkọ ihe mere eme.
Oge nzipu: Jan-13-2023