Kutshanje, i-polyvinyl chloride (PVC), into ebambe isikhundla esibalulekileyo kushishino lweekhemikhali, iphinde yaba yinto ephambili kushishino. Iindlela zophuhliso kwimveliso yayo, ukusetyenziswa kwayo, kunye nokuguquguquka kwemarike ziye zatsala ingqalelo ebanzi. Ngokweengxelo ezifanelekileyo kushishino, kwicala lemveliso, njengomnye wabavelisi abakhulu be-polyvinyl chloride kwihlabathi liphela, iTshayina ibone amashishini amaninzi amakhulu eekhemikhali eqhubeka nokwandisa utyalo-mali lwawo kwaye ephucula ubuchwepheshe bawo kwimigca yemveliso ye-polyvinyl chloride kutshanje. I-Zhong'an, eJinan, eShandong Chemical Group ibhengeze ekuqaleni kwale nyanga ukuba igqibe ngempumelelo iprojekthi yokuguqula ngobuchule kwindawo yayo yokusebenzela yemveliso ye-polyvinyl chloride. Ngokwazisa iinkqubo zolawulo oluzenzekelayo oluphambili kunye nezixhobo zemveliso eziphezulu, ayiphuculanga kuphela ukusebenza kakuhle kwemveliso, kunye nokunyuka kwemveliso yonyaka okulindelekileyo kwe-30%, kodwa ikwanciphise ukusetyenziswa kwamandla kunye nokukhutshwa kokungcola, ifezekisa impumelelo entsha kwimveliso eluhlaza. Eli nyathelo likwabonisa uphando olusebenzayo lwamashishini kushishino lwangoku ukwandisa amandla emveliso kunye nokwenza ngcono iinkqubo zemveliso, ijolise ekubeni sendaweni efanelekileyo kukhuphiswano lwemarike oluya lukhula ngamandla. Kwintsimi yesicelo, i-polyvinyl chloride, exhomekeke kwiimpawu zayo ezintle zomzimba nezekhemikhali, iyaqhubeka nokwandisa ummandla wayo wemarike. Ishishini lokwakha lihlala liyindawo enkulu yokusetyenziswa kwe-polyvinyl chloride, kwaye isetyenziswa kakhulu kwiintlobo ezahlukeneyo zemibhobho, iiprofayili, kunye nezixhobo zokuhombisa izakhiwo. Ngokuqhubeka okuqhubekayo kokwakhiwa kweziseko zophuhliso zesizwe kunye nokubuyiselwa kancinci kancinci kwimarike yezindlu, imfuno yeemveliso ze-polyvinyl chloride ibonisa umkhwa wokukhula okuzinzileyo. Umzekelo, kwiprojekthi yokwakha oololiwe basezidolophini enkulu yakutshanje e-[City Name], inani elikhulu leemibhobho ze-polyvinyl chloride ezinamandla aphezulu kunye nokulwa nokuguga zisetyenzisiwe kwiinkqubo zokuhambisa amanzi kunye nokukhupha amanzi, kwaye ukuqina kwazo okuhle kunye nomlinganiselo weendleko-ukusebenza kwaqatshelwa kakhulu kwicala leprojekthi. Ukongeza, i-polyvinyl chloride ikwavela kwiindawo ezikhulayo ezifana nezonyango neze-elektroniki. Kwishishini lezonyango, i-polyvinyl chloride enyangwa ngokukodwa yezonyango isetyenziswa kakhulu ukwenza izixhobo zonyango ezilahlwayo ezifana neengxowa zokufaka, iingxowa zegazi, kunye nee-catheters zonyango. Ngenxa yokuba inokucaca okuhle, ukuguquguquka, kunye nokuhambelana kwezinto eziphilayo, ibonelela ngokulula kwimisebenzi yezonyango kwaye iqinisekisa ukhuseleko lwezigulane. Kwicandelo le-elektroniki, i-polyvinyl chloride, njengesixhobo sokukhusela iingcingo kunye neentambo, exhomekeke ekusebenzeni kwayo okuhle kokugquma umbane kunye nokumelana nokugqwala kweekhemikhali, iqinisekisa ngokufanelekileyo ukusebenza okuzinzileyo kwezixhobo ze-elektroniki, ukuhlangabezana neemfuno zoshishino lwanamhlanje lwe-elektroniki lwezixhobo ezisebenza kakuhle. Nangona kunjalo, uphuhliso lweshishini le-polyvinyl chloride aluhambi kakuhle. Ngokuchasene neemfuno ezingqongqo zokhuseleko lokusingqongileyo, iingxaki zokukhupha ukungcola ezifana ne-vinyl chloride monomer enokuveliswa ngexesha lenkqubo yokuvelisa i-polyvinyl chloride ziphantsi kweliso elingqongqo. Ukuhlangabezana nalo mceli mngeni, imibutho yezoshishino iququzelela ngokukhutheleyo amashishini ukuba enze imisebenzi yokutshintshiselana ngetekhnoloji yokukhusela okusingqongileyo kunye nemisebenzi yoqeqesho, ikhuthaze amashishini ukuba amkele ubuchwepheshe obuphambili bokuvelisa obucocekileyo, njengeendlela ze-gas-phase catalytic oxidation, ukuphatha nzulu igesi emdaka ukuqinisekisa ukuba ukukhutshwa kuhlangabezana nemigangatho. Kwangaxeshanye, eminye imimandla ikwazise imigaqo-nkqubo efanelekileyo yenkxaso yemizi-mveliso, inikezela ngenkxaso-mali kunye nokukhetha irhafu kumashishini enza uphuculo lokhuseleko lokusingqongileyo, ekhokela ishishini ukuba liguqukele kuphuhliso oluluhlaza noluzinzileyo. Ngokwemarike, ixabiso le-polyvinyl chloride liye latshintsha ukuya kwinqanaba elithile kutshanje. Ichatshazelwe zizinto ezahlukeneyo ezifana nokuguquguquka kwamaxabiso eoyile ekrwada yamazwe ngamazwe, iimeko zobonelelo lwezinto eziluhlaza, kunye notshintsho kwimfuno ephantsi, ixabiso lexesha elizayo le-polyvinyl chloride liye lafumana inkqubo yokunyuka kokuqala, emva koko lehla, laza lazinza kwinyanga ephelileyo. Abahlalutyi beshishini bathi nangona kukho ukungaqiniseki kwindlela yamaxabiso akhoyo ngoku, ekuhambeni kwexesha, ngokubuyela koqoqosho lwehlabathi kunye nokwanda okuqhubekayo kwamasimi ezicelo asakhulayo, amathuba emarike ye-polyvinyl chloride asebanzi, kwaye kulindeleke ukuba ixabiso lihlale lizinzile ngaphakathi koluhlu olufanelekileyo kwaye libonise indlela yokunyuka ephakathi kunyaka olandelayo. Ngokubanzi, xa kujongwe amathuba kunye nemingeni, ishishini le-polyvinyl chloride lizama ukufezekisa uphuhliso lwalo oluphezulu ngeendlela ezahlukeneyo ezifana nokuvelisa ubuchwepheshe, ukwandiswa kwesicelo, kunye nokuphuculwa kokhuseleko lokusingqongileyo. Indlela yalo yophuhliso lwexesha elizayo ngokuqinisekileyo iya kuba nefuthe elikhulu kwishishini leekhemikhali kunye namashishini anxulumene nalo.
Ixesha leposi: Novemba-06-2024
