Ngo-2022, umthamo wemveliso ye-ethylene yaseTshayina yafikelela kwi-49.33 yeetoni zezigidi, idlule i-United States, ibe ngumvelisi omkhulu we-ethylene ehlabathini, i-ethylene ithathwa njengesalathisi esibalulekileyo sokumisela inqanaba lemveliso yoshishino lweekhemikhali. Kulindeleke ukuba ngo-2025, umthamo wemveliso ye-ethylene yaseTshayina uya kudlula i-70 yezigidi zeetoni, eziya kuthi ngokwesiseko zihlangabezane nemfuno yasekhaya, okanye intsalela.

Imboni ye-ethylene iyona nto ingundoqo kwishishini le-petrochemical, kwaye iimveliso zayo zibalelwa ngaphezu kwe-75% yeemveliso zepetrochemical kwaye zithatha indawo ebalulekileyo kuqoqosho lwelizwe.

I-ethylene, i-propylene, i-butadiene, i-acetylene, i-benzene, i-toluene, i-xylene, i-ethylene oxide, i-ethylene glycol, njl. Ukongeza, ixabiso lemveliso ye-ethylene eveliswa ngamashishini amakhulu adibeneyo okucoca kunye neekhemikhali aphantsi. Xa kuthelekiswa nokucoca amashishini omlinganiselo ofanayo, ixabiso elongezelelweyo leemveliso zokucoca okudibeneyo kunye namashishini ekhemikhali anganyuswa ngama-25% kwaye ukusetyenziswa kwamandla kungancitshiswa malunga ne-15%.

I-Polycarbonate, i-separator ye-lithium yebhetri, i-photovoltaic EVA (i-ethylene - i-vinyl acetate copolymer) inokwenziwa kwi-ethylene, i-alpha olefin, i-POE (i-polyolefin elastomer), i-carbonate, i-DMC (i-dimethyl carbonate), i-ultra-high molecular weight polyethylene (UHMWPE) kunye nezinye izinto ezintsha. Ngokwezibalo, kukho iintlobo ezili-18 zeemveliso ze-ethylene ezisezantsi ezinxulumene namandla amatsha, imathiriyeli emitsha kunye namanye amashishini anomoya. Ngenxa yophuhliso olukhawulezayo lwamandla amatsha kunye namashishini amatsha afana nezithuthi zamandla amatsha, i-photovoltaic kunye ne-semiconductors, imfuno yezinto ezintsha zezinto eziphathekayo iyanda.

I-ethylene, njengondoqo weshishini lepetrochemical, inokuba kwintsalela, iphawula ishishini lepetrochemical elijongene nokuhlengahlengiswa kunye nokwahlula. Ayingomashishini akhuphisanayo kuphela aphelisa amashishini angasemva, amandla ahambele phambili aphelisa amandla angasemva, kodwa kunye nokuphela kunye nokuzalwa ngokutsha kwamashishini akhokelayo e-ethylene yecandelo lekhonkco leshishini elisezantsi.

Iinkampani eziyintloko zinokuhlenga-hlengisa

I-ethylene inokuba yi-surplus, inyanzelisa ukucocwa okudibeneyo kunye neeyunithi zeekhemikhali ukuba ziqhubele phambili ukongeza ikhonkco, ukwandisa ikhonkco kunye nokuqinisa ikhonkco ukuphucula ukukhuphisana kweyunithi. Ukuqala kwioli ekrwada, kuyimfuneko ukwakha inzuzo yezinto eziluhlaza zokudibanisa. Ngethuba nje kukho amathemba emarike okanye iimveliso ezinomthamo othile wemarike, kuya kutsalwa umgca, obuye ukhawuleze ukupheliswa kwabaphumeleleyo kunye nabalahlekileyo kulo lonke ishishini lemichiza. Imveliso kunye nepateni yeemveliso zeekhemikhali ezininzi kunye neemveliso ezintle zeekhemikhali ziya kuzisa utshintsho. Iindidi zemveliso kunye nezikali ziya kugxila ngakumbi nangakumbi, kwaye inani lamashishini liya kuhla kancinci.

Izixhobo zonxibelelwano, iiselfowuni, izixhobo ezinxitywayo kunye nezinye izixhobo zombane zabathengi, ubukrelekrele beemoto, imimandla yobuntlola besixhobo sasekhaya ikhula ngokukhawuleza, iqhuba ukukhula okukhawulezayo kwemfuno yemathiriyeli emitsha yemichiza. Ezi zixhobo zitsha zemichiza kunye ne-monomer ehamba phambili yamashishini anendlela yokukhula iya kuvela ngokukhawuleza, njengamandla amatsha ali-18 kunye neemveliso ezintsha zemathiriyeli ezantsi kwe-ethylene.

U-Fan Hongwei, usihlalo we-Hengli Petrochemicals, uthe indlela yokugcina iingenelo ezikhuphisanayo ezinamandla kunye nokucofa amanqaku amaninzi engeniso kwisakhelo somsebenzi wonke we-industrial chain chain yingxaki ekufuneka igxininiswe kuyo. Kufuneka sidlale ngokupheleleyo kwiingenelo zekhonkco leshishini elinyukayo, sandise kwaye senza nzulu ikhonkco loshishino malunga neemveliso ezisezantsi ukuze senze iinzuzo ezintsha ezikhuphisanayo, kwaye sizame ukukhuthaza ukwanda okuqhubekayo kweemveliso ezisezantsi ukuze kwakhiwe ikhonkco loshishino lweekhemikhali ezilungileyo.

I-Kang Hui New Material, i-subsidiary ye-Hengli Petrochemical, inokuvelisa i-micron ye-silicon ye-12 ikhutshwe ifilimu yokukhusela ibhetri ye-lithium kwi-intanethi, i-Hengli Petrochemical inokuvelisa ubunzima beemveliso ze-5DFDY, kunye ne-MLCC yayo yokukhupha i-akhawunti yefilimu engaphezulu kwe-65% yemveliso yasekhaya.

Ukuthatha ukusulungekiswa kunye nokuhlanganiswa kweekhemikhali njengeqonga lokwandisa ngokuthe tye kwaye ngokuthe nkqo, sandisa kwaye somele iindawo ze-niche kwaye senze uphuhliso oludibeneyo lweendawo ze-niche. Nje ukuba inkampani ingene emarikeni, inokungena kumashishini aphambili. Amashishini aphambili ali-18 anamandla amatsha kunye neemveliso ezintsha zemathiriyeli ezantsi kwe-ethylene anokujongana notshintsho lobunini kwaye ayishiye imarike.

Enyanisweni, ekuqaleni kwe-2017, i-Shenghong Petrochemicals yasungula iitoni ze-300,000 / ngonyaka we-EVA usebenzisa izibonelelo ze-chain chain chain, ukuphela kwe-2024 kuya kubeka ngokuthe ngcembe kwimveliso eyongezelelweyo ye-750,000 yeetoni ze-EVA, eziza kufakwa kwimveliso kwi-2025, ngelo xesha, i-Shenghong ye-EVA isiseko esikhulu kunazo zonke emhlabeni iya kuba yi-petrochemicals ye-EVA.

China yoxinaniso imichiza ekhoyo, inani leepaki kunye namashishini kumaphondo ezinkulu imichiza kwakhona ngokuthe ngcembe kunciphisa, Shandong ngaphezu 80 iipaki imichiza nkqu ngokuthe ngcembe ukunciphisa ukuya kwisiqingatha, Zibo, Dongying kunye nezinye iindawo amashishini imichiza concentrated ziya kupheliswa isiqingatha. Kwinkampani, awulunganga, kodwa abo bakhuphisana nabo bomelele kakhulu.

Kuya kuba nzima ngakumbi "ukunciphisa ioli kunye nokwandisa i-chemistry

"Ukunciphisa i-oyile kunye nokunyuka kweekhemikhali" kuye kwaba yinguqu yokuguqulwa kwe-oyile yasekhaya kunye neshishini lemichiza. Isicwangciso sangoku senguqu yeendawo zokucoca ikakhulu sivelisa imathiriyeli ekrwada esisiseko ye-organic efana ne-ethylene, propylene, butadiene, benzene, toluene kunye nexylene. Ukususela kwindlela yophuhliso lwangoku, i-ethylene kunye nepropylene isenayo indawo yokuphuhliswa, ngelixa i-ethylene ingaba yi-surplus, kwaye kuya kuba nzima ngakumbi "ukunciphisa ioli kunye nokunyusa imichiza".

Okokuqala, kunzima ukukhetha iiprojekthi kunye neemveliso. Okokuqala, imfuno yemarike kunye nomthamo wemarike kuya kuba nzima ukukhetha iimveliso ezinobuchwephesha obuvuthiweyo. Okwesibini, kukho imfuno yemarike kunye nomthamo wemarike, ezinye iimveliso zixhomekeke ngokupheleleyo kwiimveliso ezithunyelwa kwamanye amazwe, aziyinkosi iteknoloji yemveliso, ezifana nezixhobo eziphezulu ze-synthetic resin, i-rubber ephezulu, i-high-end synthetic fibers kunye ne-monomers, i-carbon fiber, iiplastiki zobunjineli, iikhemikhali ze-elektroniki ezicocekileyo, njl. utyalo-mali kuphando nophuhliso.

Ishishini lilonke ukunciphisa ioyile kunye nokunyusa imichiza, kwaye ekugqibeleni kukhokelela kumthamo ogqithisileyo weemveliso zemichiza. Kwiminyaka yakutshanje, iprojekthi yokusulungekiswa kunye nokuhlanganiswa kweekhemikhali ngokusisiseko ijolise "ukunciphisa ioli kunye nokwandisa i-chemistry", kwaye amashishini akhoyo okucoca kunye neekhemikhali nawo athatha "ukunciphisa ioli kunye nokwandisa i-chemistry" njengesikhokelo sokuguqulwa nokuphucula. Kwiminyaka emibini ukuya kwemithathu edlulileyo, umthamo omtsha wemichiza waseTshayina uphantse wagqitha kwisixa seminyaka elishumi edlulileyo. Lonke ishishini lokusulungekisa “kukunciphisa ioyile nokwandisa ikhemistri.” Emva kwencopho yokwakhiwa komthamo wemichiza, lonke ishishini linokuba nentsalela ngezigaba okanye ngaphezulu.Izinto ezininzi zemichiza emitsha kunye neemveliso zemichiza ezintle zineemarike ezincinci, kwaye logama nje kukho impumelelo kubugcisa, kuya kubakho ukungxama, okukhokelela kumandla kunye nelahleko yenzuzo, kwaye nakwimfazwe yamaxabiso amancinci.