Tlhaloso e chesang ea PVC: Ho tsoa ho phaello ea histori, khetho (2)

2. Phaello le ho qala-ho nka PVC e le mohlala

Palo e ka tlase e khetha bokamoso ba PVC le ts'ebetso ea phaello ho tloha 2016 ho fihlela joale.Har'a bona, phaello e khethile moemeli oa Shandong ho tsoa -of -Shandong ka ntle ho majoe a majoe le phaello e kopantsoeng.Ka lebaka la melemo ea mehloli ea mashala, litšenyehelo li tlase ho feta tsa East China.Ho bonolo ho emela phaello e fokolang ea indasteri.Hona joale, matla a motlakase a malapeng a ka bang 80%, ethylene ea Mothehi e nka karolo ea 20%, 'me matla a tlhahiso ea chlorine a ka bang 70%.Kaha phaello ea lik'hamphani tse kopantsoeng tsa chlorine -alkali e phahame haholo ho feta ea phaello ea k'hamphani, Chaena Bochabela e sebelisoa ho sebelisa East China ho ea linaheng tse ling.Phaello ea khoebo ea PVC ea majoe a motlakase ke boemo bo tlaase ka ho fetisisa indastering.Ka mohlala, k'hamphani ea PVC e na le phaello, joale indasteri e na le phaello ka kakaretso.Haeba likhoebo tse kopaneng tsa PVC tsa East China li na le tahlehelo ea phaello, tlhahiso e tloaelehileng ea likhoebo e ka ameha.

Ho tloha 2016 ho ea ho 2023, ha phaello ea lik'hamphani tsa motlakase ka ntle ho East China e fihla hoo e ka bang 1,000, e ne e tsamaisana le 'maraka o hlophisitsoeng, joalo ka November 2016, September 2017 le October 2021. thehoa, ha e le hantle e tsamaea le botlaaseng ba sethaleng, joalo ka January 2016, January 2022, le November 2022. Ho latela mohlala oa nako ea selemo ea indasteri, PVC e na le tlhokomelo e 'meli habeli ka selemo nakong ea selemo le hoetla, ka ho latellana ho tloha ka April le June le July-September.Mekhahlelo e meraro ea holimo e haufi le nako ea tlhokomelo.Ho se leka-lekane ha phepelo le tlhokahalo ho tlisitse ho phahama ha litheko.Ha phaello ea likhoebo e eketseha, indasteri e ile ea phahama kapele kamoo ho ka khonehang.Ka mor'a hore phepelo e eketsehe 'me ho tsosolosoa ha database ho fokotsehile,' maraka o ile oa qala.Ha tahlehelo ea ho kopanya chlorine -alkali, indasteri e fokotsehile ka mohato.Le hoja ho se na tlhahlobo e tloaelehileng mothating ona, e boemong bo tlaase ka nako e le 'ngoe.Ka mantsoe a mang, kaho ea phaello ke ho nka mofuta oa "V".Ha tahlehelo, mohaho o "inverted", 'me phaello e amana hantle

Hobane ketane ea indasteri ea PVC e kopantsoe haholo, lisebelisoa tse ling li tlameha ho nahanoa ka botlalo ha ho buisanoa ka phaello ea PVC.Har'a bona, tšusumetso e kholo ke lihlahisoa tse holimo le alkali ea lihlahisoa tse tsamaeang le tsona.Hona joale, bokhoni ba tlhahiso ea Corporal Method bo batla bo le boholo, kahoo litšenyehelo tsa lejoe la motlakase le PVC li amana haholoanyane.Ka kakaretso, litheko tsa PVC li nyolohile ka theko ea majoe a motlakase.2021 ke selemo se batlang se ikhethile.E angoa ke tšebeliso ea matla ka bobeli.Phepelo e fokolang ea majoe a motlakase e thata, 'me theko ea majoe a motlakase e nyolohile.Bakeng sa lik'hamphani tsa PVC tsa motlakase tse ikemetseng, cheseho ea ho qala e batla e phahame.Nakong ena, phaello e fumanoa haholo ke fektheri ea elektronike (fektheri ea majoe ea motlakase e ikemetseng e ka tlatsetsa phaello ea PVC ka phaello ea lejoe la motlakase), kahoo ho ka bonoa hore ho ka bonoa hore e ka bonoa. hore e ka bonoa Le hoja theko ea PVC e ile ea tsoela pele ho senya theko e phahameng ka 2021, phaello ea lik'hamphani tsa PVC tsa lik'hamphani tsa PVC hangata e lahleheloa ke chelete.Karolo ena ea khoebo e fokolitse tlhahiso kapa tlhokomelo.Ho phaella moo Nako eona eo ea nako e tšoanang e tlaase.

Plastiki Kantle Pvc Sheets 

Theko ea alkali alkali e boetse e na le tšusumetso e kholo boitšoarong ba kaho ea lik'hamphani tsa PVC.Ka kakaretso, 1 ton PVC e tsamaisana le lithane tse 0.7-0.8 tsa alkalinity.Phaello lipakeng tsa bona e amme e mong.Ho oa, k'hamphani ea PVC e se e qalile ho hlahisa tahlehelo, empa ka nako ena mosebetsi oa indasteri ha oa ameha haholo.Ho fihlela ka July, theko ea alkaline pyrine e oele, e baka tahlehelo ea phaello ea k'hamphani e kopanetsoeng ea chlorine le alkali.Mmaraka oa PVC o tla khutla hape.Ka Pulungoana 2022, alkali ea alkali e fokotsehile hanyane, mme phaello e felletseng ea chlorine -alkali e ne e lahleheloa ke chelete.Ka March, theko ea alkaline e halikiloeng e ile ea fokotseha haholo, 'me tahlehelo ea chlorine -alkali e kopantsoe e ile ea eketseha haholo.Ha nako ea tlhokomelo e se e tla kena, ho ka hlokomeloa hore nako ea ho qala ha selemo sena ke pejana ho lilemo tse fetileng.

Ka kakaretso, bakeng sa lik'hamphani tsa lik'hemik'hale, ho ea holimo ho tla fetoloa ho latela phaello ea nako ea sebele, 'me phepelo e fokolang le litlhoko li tla fetoloa ka ho ama phepelo.Ka nako e ts'oanang, tlhahlobo ea phaello e tlameha ho kopanngoa le ts'ebetso ea indasteri.Ho nka PVC e le mohlala, e tlameha ho aroloa ka ho kopanya le ho se kopane.Ho phaella moo, hoa hlokahala ho kopanya phaello ea lejoe le alkali.Ntle le moo, khoebo ea pokello ea motlakase e fumane phaello e itseng joalo ka karolo e kaholimo ea indasteri, 'me litahlehelo tsa likhoebo tse kopaneng li kenelletse indastering.Ka nako e ts'oanang, e boetse e hloka ho nahanoa hammoho le lintlha tse ling.