Munguva pfupi yapfuura, polyvinyl chloride (PVC), chinhu chine chinzvimbo chakakosha muindasitiri yemakemikari, chave chinhu chinonyanya kukosheswa muindasitiri iyi. Mafambiro ebudiriro mukugadzirwa kwayo, mashandisirwo ayo, uye mafambiro emusika akwezva vanhu vakawanda. Sekureva kwemishumo yeindasitiri, kudivi rekugadzira, seimwe yemakambani makuru ekugadzira polyvinyl chloride pasi rose, China yakaona makambani makuru emakemikari achiramba achiwedzera mari yavo uye kuvandudza matekinoroji avo pamitsetse yekugadzira polyvinyl chloride munguva pfupi yapfuura. Zhong'an, Jinan, Shandong Chemical Group yakazivisa kutanga kwemwedzi uno kuti yakapedza chirongwa chekushandura kwakangwara cheworkshop yayo yekugadzira polyvinyl chloride. Nekuunza masisitimu epamusoro ekutonga otomatiki uye michina yekugadzira inoshanda zvakanyanya, haina kungovandudza zvakanyanya kushanda kwekugadzira, nekuwedzera kwe30% pagore, asiwo yakaderedza kushandiswa kwesimba uye kusvibiswa kwemhepo, ichiwana budiriro itsva mukugadzirwa kwegirini. Chiyero ichi chinoratidzawo kutsvaga kwemakambani ari muindasitiri iripo kuwedzera kugona kwekugadzira uye kugadzirisa maitiro ekugadzira, nechinangwa chekutora chinzvimbo chakanaka mumakwikwi ari kuwedzera emusika. Munzvimbo yekushandisa, polyvinyl chloride, ichivimba nehunyanzvi hwayo hwepanyama nemakemikari, iri kuramba ichiwedzera nzvimbo yayo yemusika. Indasitiri yekuvaka ichiri nzvimbo huru yekushandisa polyvinyl chloride, uye inoshandiswa zvakanyanya mumhando dzakasiyana dzemapaipi, maprofile, uye zvinhu zvekushongedza zvekuvaka. Nekufambira mberi kuri kuita kuvaka kwezvivakwa zvenyika uye kudzoka zvishoma nezvishoma kwemusika wezvivakwa, kudiwa kwezvigadzirwa zvepolyvinyl chloride kunoratidza kukura kwakasimba. Semuenzaniso, muchirongwa chekuvaka njanji dzemaguta chazvino mu [City Name], huwandu hwakawanda hwemapaipi epolyvinyl chloride ane simba rakawanda uye anodzivirira kukwegura akashandiswa kumasisitimu emvura nekubvisa mvura, uye huwandu hwawo hwakanaka hwekugara kwenguva refu uye mutengo-kushanda hwakazivikanwa zvikuru nedivi reprojekiti. Pamusoro pezvo, polyvinyl chloride iri kubudawo muminda iri kubuda senge yekurapa neyemagetsi. Muindasitiri yekurapa, polyvinyl chloride yemhando yepamusoro yekurapa inoshandiswa zvakanyanya kugadzira zvishandiso zvekurapa zvinoraswa senge mabhegi einfusion, mabhegi eropa, uye macatheter ekurapa. Nekuti ine kujeka kwakanaka, kuchinjika, uye kubatana kwezvinhu zvipenyu, inoita kuti zvive nyore kumabasa ekurapa uye inovimbisa kuchengetedzeka kwevarwere. Mubasa remagetsi, polyvinyl chloride, sechinhu chinodzivirira waya netambo, ichivimba nekushanda kwayo kwakanaka kwekudzivirira magetsi uye kuramba ngura kwemakemikari, zvinobudirira zvinoita kuti zvishandiso zvemagetsi zvishande zvakanaka, zvichizadzisa zvinodiwa neindasitiri yemazuva ano yemagetsi yezvinhu zvinoshanda zvakanyanya. Zvisinei, kuvandudzwa kweindasitiri yepolyvinyl chloride hakusi nyore. Zvichienderana nezvinodiwa zvakanyanya zvekuchengetedza nharaunda, matambudziko ekubuda kwezvinosvibisa senge vinyl chloride monomer inogona kugadzirwa panguva yekugadzira polyvinyl chloride ari pasi pekutarisirwa kwakasimba. Kuti vagadzirise dambudziko iri, masangano eindasitiri anoronga mabhizinesi kuti aite mabasa ekuchinjana tekinoroji yekudzivirira nharaunda uye kudzidzisa, kukurudzira mabhizinesi kuti atore matekinoroji ekugadzira akachena, akadai segasi-phase catalytic oxidation methods, kuti ashandise gasi rakasviba zvakanyanya kuti ave nechokwadi chekuti utsi hunosangana nezvinodiwa. Panguva imwe chete, mamwe matunhu akaunzawo marongero akakodzera ekutsigira maindasitiri, achipa rubatsiro rwemari uye sarudzo dzemitero kumabhizinesi anoita kusimudzira kuchengetedzwa kwenharaunda, achitungamira indasitiri kuti ishanduke kuenda kubudiriro yakasvibira uye inoenderera mberi. Panyaya yemusika, mutengo wepolyvinyl chloride wakachinja-chinja kusvika pamwero wakati munguva pfupi yapfuura. Zvichikanganiswa nezvinhu zvakasiyana-siyana zvakaita sekuchinja-chinja kwemitengo yemafuta asina kucheneswa pasi rose, mamiriro ekuwanikwa kwezvinhu zvakagadziriswa, uye shanduko mukudiwa kuri kuderera, mutengo wemangwana wepolyvinyl chloride wakatanga kukwira, wozodzikira, wozogadzikana mumwedzi wapfuura. Vaongorori vemaindasitiri vanoti kunyangwe paine kusava nechokwadi mumitengo iripo, nekufamba kwenguva, nekudzoreredza hupfumi hwenyika uye kuwedzera kuri kuramba kuchiita minda yekushandiswa, tarisiro yemusika wepolyvinyl chloride ichiri yakakura, uye zvinotarisirwa kuti mutengo wacho ungangoramba wakadzikama mukati mehuwandu hwakaringana uye uratidze kukwira kuri pakati nepakati mukati megore rinouya. Kazhinji, pasinei nemikana nematambudziko, indasitiri yepolyvinyl chloride iri kuedza kuwana budiriro yayo yepamusoro kuburikidza nematanho akasiyana-siyana akadai sekuvandudza tekinoroji, kuwedzera mashandisirwo, uye kuvandudzwa kwekuchengetedzwa kwezvakatipoteredza. Mafambiro ayo ekuvandudza mune ramangwana pasina mubvunzo achava nemhedzisiro yakakura paindasitiri yemakemikari nemaindasitiri ane chekuita nayo ari kuderera.
Nguva yekutumira: Mbudzi-06-2024
