kopo

Liphaephe tse thata tsa PVC le lipeipi ke mokhoa oa ho hōla ka potlako lihlahisoa tse ngata tsa PVC naheng ea rona, hape ke mefuta e mengata ea tšebeliso ea liphaephe tsa polasetiki.Kamora ho phatlalatsoa le ho khothaletsoa ha pipe ea PVC naheng ea rona lilemong tsa morao tjena, haholo-holo tšehetso ea maano a naha a amehang, tlhahiso le tšebeliso ea phala ea PVC e entse tsoelo-pele e kholo.Tlhahiso ea phala ea PVC e ikarabella ho feta 50% ea kakaretso ea tlhahiso ea pipe ea polasetiki.E sebelisoa haholo liindastering tse ngata, tse kang indasteri, kaho, temo joalo-joalo.

Ntlafatso ea phala ea PVC

1. Melemo ea phala ea PVC

Ha ho etsoa resin ea bokahohleng, resin ea PVC e na le tšebeliso e tlase ea ethylene le litšenyehelo tse tlase tsa tlhahiso.Tšebeliso ea ethylene ka thane e le 'ngoe ea PVC tlhahiso ea malapeng ke lithane tse 0.5314,' me ka karolelano tšebeliso ea ethylene ka tone ea polyethylene ke lithane tse 1.042.Tšebeliso ea ethylene ka thane e le 'ngoe ea resin ea PVC Chaena e ka tlase ho 50% ho feta ea polyethylene.Khase e tala ea chlorine e sebelisoang tlhahisong ea PVC ke mokhoa oa bohlokoa oa ho leka-lekanya tlhahiso ea soda ea caustic ho hlahisa khase ea chlorine.Caustic soda ke thepa e tala ea bohlokoa haholo ea bohlokoa moruong oa naha.Ho phaella moo, ho ea ka pono ea lihlahisoa tsa polasetiki, PVC e na le tumellano e ntle le bathusi ba fapa-fapaneng, 'me palo e kholo ea li-fillers tse theko e tlaase e ka eketsoa ha ho etsoa liphaephe, e le hore litšenyehelo tsa tlhahiso li fokotsehe haholo.

Ha ho bapisoa le liphaephe tsa tšepe, tlhahiso ea phala ea PVC ka mithara ea li-cubic ea PVC le tlhahiso ka mithara ea li-cubic tsa tšepe le lipalo tsa aluminium, tšebeliso ea matla a tšepe ke 316KJ / m3, tšebeliso ea matla a aluminium ke 619KJ / m3, tšebeliso ea matla ea PVC ke 70KJ / m3, ke hore. , tšebeliso ea matla a tšepe ke linako tse 4,5 tsa PVC, tšebeliso ea matla a aluminium ke linako tse 8.8 tsa PVC.'Me tlhahiso ea tšebeliso ea matla a matla a PVC ke karolo ea boraro feela ea phala ea tšepe ea caliber e tšoanang.Ka nako e ts'oanang, ka lebaka la lerako le boreleli la phala ea PVC, ha ho na hlahala ea kutu, bokhoni bo phahameng ba ho fana ka metsi, bakeng sa infusion e ka boloka hoo e ka bang 20% ​​ea motlakase.

Pipe ea PVC e na le thepa e ntle ea mochini, 'me e na le khanyetso e ntle ea kutu, boima bo bobebe nakong ea ts'ebeliso, ts'ebetso e bonolo, ha e hloke tlhokomelo, le ts'ebeliso ea tšepe bakeng sa phala ea likhoerekhoere tsa sechaba, ha e ntse e sebelisoa ka lebaka la ho senyeha habonolo, hangata e tlameha ho apesoa ka pente, litšenyehelo tse phahameng tsa tlhokomelo.Kaho e akaretsang le mesebetsi ea sechaba ka liphaephe tsa tšepe tse ka bang lilemo tse 20 li hloka ho nkeloa sebaka, 'me karolo ea ts'ebetso e ntle ea liphaephe tsa PVC, bophelo ba ts'ebeletso ea nako e telele joalo ka lilemo tse 50.Ka hona, pipe ea PVC ke sehlahisoa se setle sa polasetiki se nang le litšenyehelo tse tlaase tsa tlhahiso, matla a phahameng le ho hanyetsa kutu.

Ka kakaretso, mabapi le likhoerekhoere, metsi a litšila le liphaephe tsa moea, liphaephe tsa PVC li boloka hoo e ka bang 16-37% ea litšenyehelo tsa ho kenya le ho sebetsa ho feta liphaephe tsa tšepe.Litsenyehelo tsa ho etsa tube ea conductor ke 30-33% tlase ho feta ho sebelisa sleeve ea conductor ea tšepe.Ketso ea phala ea chlorinated polyvinyl chloride (PVC) metsing a batang le a chesang, ha e bapisoa le tšebeliso ea boholo bo tšoanang ba phala ea koporo e boloka chelete ea 23-44%.Ka hona, ka lebaka la melemo ea phala ea PVC, linaha li nts'etsapele le ho khothaletsa phala ea PVC ka mafolofolo.

2. Ho hlahisa le ho sebelisoa ha pipe ea PVC

Ho tloha ka nako ea 80, naha ea rona e hlahisitse mefuta e fapaneng ea tlhahiso ea liphaephe tsa PVC extrusion tse likete.Hajoale, naha ea rona ea UPVC (PVC e thata) le limela tsa tlhahiso ea liphaephe li na le tse fetang 600, kakaretso ea tlhahiso ea lithane tse limilione tse 1.1 / selemo ka holimo, ho na le bahlahisi ba fetang 30 ba nang le tekanyo ea tlhahiso ea lithane tse 10,000 / selemo, ho na le bahlahisi ba fetang 60 ba nang le boholo ba lithane tse 0.5-10,000 / selemo, thepa ea tlhahiso ea liphaephe tsa UPVC le lisebelisoa tsa liphaephe li etsoa ka hare ho naha.

NAHONG EA RONA, PVC PIPE E HLAHILE KA HO FETISISA ho feta peipi ea PE le PP PIPE, ho na le mefuta e mengata, ts'ebetso e ntle haholo, ts'ebeliso e pharalletseng, e maemong a bohlokoa 'marakeng.Qetellong ea 1999, ho ne ho e-na le melapo e fetang 2000 ea tlhahiso ea liphaephe tsa polasetiki Chaena, eo lisebelisoa tse tsoang linaheng tse ling li neng li nka karolo ea 15%.Bokhoni ba tlhahiso ea liphaephe tse fapaneng tsa polasetiki naheng ea rona ka 1999 e ne e le lithane tse fetang limilione tse 1.65 / selemo, tlhahiso ea 'nete ea lithane tse ka bang 1,000,000, tseo liphaephe tsa UPVC li neng li ikarabella ho feta 50%.

Ho theosa le lilemo, lefats'eng la kopo ea 'maraka oa PVC,' maraka oa thepa ea kaho ke o moholo ka ho fetisisa, 'me o lebelo ka ho fetisisa le ntseng le eketseha.Lilemong tsa morao tjena, lihlahisoa tsa thepa ea mohaho oa Amerika li ikarabella bakeng sa 60% ea lihlahisoa tsa eona kaofela, 62% Europe Bophirimela, 50% Japane, empa ka tlase ho 30% naheng ea rona, e nang le sebaka se seholo sa ho phahama.Ka lihlahisoa tsa thepa ea kaho, 'me haholo-holo ho liphaephe le profile, ho kenyelletsa ho haha ​​​​peipi ea metsi ho ea holimo le tlaase, phala ea nosetso ea temo, phala ea khase, peipi ea oli e tala joalo-joalo.

Tlhahiso le tshebediso ya phaephe ya UPVC naheng ya rona e qala ho fumana ntshetsopele e potlakileng nakong ya Moralo wa Dilemo tse Mehlano tsa Borobong, e leng molemo haholoholo ho tswa ho tshehetso e matla ya mmuso le kutlwisiso ya setjhaba mabapi le thepa ya dipeipi tsa UPVC.

Hajoale, ts'ebeliso ea tube ea polasetiki naheng ea rona e tsoetse pele haholo eseng feela ka bongata empa hape le ka mefuta le litlhaloso.Mohlala, phala ea UPVC e fihlile ho feta 90% ts'ebelisong ea drainage metseng e meng, mme boholo ba likhoebo tsa lipeipi tsa UPVC li na le melemo e metle haholo lilemong tsa morao tjena.

Nakong ea Moralo oa Leshome oa Lilemo tse Hlano, khothatso le tšebeliso ea lipeipi tsa polasetiki haholo-holo e ne e le lipeipi tsa polasetiki tsa UPVC le PE, ’me lipeipi tse ling tse ncha tsa polasetiki li ile tsa ntlafatsoa ka matla.Ka 2005, mererong e ncha ea kaho, kaho bocha le katoloso naheng ka bophara, 50% ea lipeipi tsa drainage tsa kaho li tla sebelisa lipeipi tsa polasetiki, 20% ea lipeipi tsa drainage tsa litoropo li tla amohela lipeipi tsa polasetiki, 60% ea phepelo ea metsi a moaho, phepelo ea metsi a chesang le lipeipi tse futhumatsang li tla sebelisoa. amohela lipeipi tsa polasetiki, 50% ea lipeipi tsa phepelo ea metsi litoropong (Dn400 kapa ka tlase) li tla amohela liphaephe tsa polasetiki, 60% ea lipeipi tsa phepelo ea metsi metseng li tla amohela lipeipi tsa polasetiki, lipeipi tsa khase ea Urban (peipi e mahareng le e tlase ea khatello) 50% e sebelisa phala ea polasetiki, kaho terata threading sleeve 80% sebelisa phala ea polasetiki.Ho lebeletsoe hore tlhokahalo ea liphaephe tsa polasetiki ka 2005 e tla ba lithane tse fetang limilione tse 2, tseo boholo ba tsona e leng liphaephe tsa PVC.

Linaheng tse tsoetseng pele, tšebeliso ea phala ea PVC ka kakaretso e ikarabella bakeng sa 70-80% ea 'maraka oa liphaephe tsa polasetiki, empa phala ea Sechaena ea PVC e nka feela karolo ea 50% ea palo eohle ea phala ea polasetiki, monyetla oa nts'etsopele ea phala ea PVC naheng ea rona ke e kgolo haholo.Karolo ea tšebeliso ea liphaephe tsa PVC linaheng tse tsoetseng pele ke tse latelang: lipeipi tsa phepelo ea metsi li etsa 33%, lipeipi tsa likhoerekhoere li etsa 22.3%, lipeipi tsa likhoerekhoere li etsa 15.7%, lipeipi tsa nosetso li etsa 5.2%, phala ea khase e etsa 0.8%, tse ling. liphaephe li etsa 22.7%.Har'a bona, karo-karolelano ea tšebeliso ea lisebelisoa tsa liphaephe le pipe e ka bang 1: 8.

'Marakeng oa kaho, ho na le mefuta e' meli ea phaephe ea PVC e sebelisoang: e 'ngoe ke phala e thibelang khatello, e' ngoe ke phala e se nang khatello.Pipe ea tšepe e entsoeng ka tšepe le phala ea koporo e neng e sebelisoa nakong e fetileng e le thepa ea mohaho e hanyetsanang le khatello, eseng feela ho senya ho tebileng, empa hape e hloka tlhokomelo le ho nkeloa sebaka khafetsa, litšenyehelo tse phahameng.Meaho ea kantle ho naha e se e sebelisoa haholo liphaephe tsa metsi a khatello, phala ea phepelo ea metsi a chesang hangata e sebelisa phala ea PVC.Pipe ea PVC e nyenyane (phala ea UPVC, pipe ea CPVC) e na le melemo ea theko e tlaase, ho hanyetsa kutu, 'me ha e hloke tlhokomelo le ho nkeloa sebaka khafetsa.Le bophara bo boholo ba phala ea khatello ea PVC (bophara ka 100-900mm) sebakeng sa phala ea tšepe e entsoeng ka tšepe, e ntlafatsa phala e nyane ea seretse, sistimi ea phepelo ea metsi e na le mokelikeli o motle, ho hanyetsa kutu, boima bo tlase.Ho boloka motlakase, boleng bo botle ba metsi.PVC core layer foam e sa hatelletsoeng phala e le phala ea likhoerekhoere tse ka hare le phala ea metsi a pula, e ka rarolla bothata ba lerata la phala ea likhoerekhoere tsa ka tlung.Phaephe ea likhoerekhoere ea sechaba e amohela phala e sa hatelletsoeng ea PVC, ho hanyetsa kutu, eseng ka khoholeho ea hydrogen sulfide, bophelo bo bolelele ba tšebeletso, boima bo bobebe, litšenyehelo tse tlaase tsa ho kenya, ho bonolo ho hokahanya le ho tiisa, ha ho bonolo ho senya.

Ntle le moo, phala ea terata ea kaho le phala ea ka tlas'a lefatše ke 'maraka o mong oa liphaephe tsa PVC, mefuta ea hajoale ea lapeng ke phala e otlolohileng ea katoloso, phala e habeli ea lebota le melumo e le 'ngoe ea lebota.

Pipe ea temo ke sebaka se seng se pharaletseng sa ts'ebeliso ea PVC.Naha ea habo rona ke ea naha e hlokang mehloli ea metsi, hajoale, boholo ba masimo a naha ea rona a ntse a sebelisa nosetso ea mobu, le litšila tsa metsi li tebile haholo.Ka lebaka la khaello ea metsi, mobu o mongata o lemehang ha o nosetsoe hantle le chai ea lijalo e tlase.'Me ka ho nosetsa lipeipi tsa PVC, ho ka boloka metsi a ka bang 50%.Tšebeliso ea PVC e tsitsitseng kapa e tsitsitseng ea ho nosetsa mokhoa oa ho lema, eseng feela ho boloka metsi, empa hape ho ntlafatsa chai, ho senyeha ha lisebelisoa le melemo e meng, ho boloka litšenyehelo tsa ho nosetsa le ho fafatsa haholo.Hona joale, ha ho na setereke se feletseng sa nosetso ea liphaephe tse tiileng naheng ea rona, libaka tse ngata tsa naha li ntse li haelloa ke kutloisiso ea motheo ea nosetso ea liphaephe, ka hona, eketsa phatlalatso le ts'ebetso ea nosetso ea liphaephe tsa PVC libakeng tsa mahaeng, bokhoni ba eona bo boholo haholo. .

3. Liphaephe tse ling tsa PVC tse sebelisoang hangata Chaena

UPVC tube: Tšebeliso e kholo ka ho fetisisa ea UPVC tube ke indasteri ea kaho.Hona joale, e sebelisoa haholo tsamaisong ea lipeipi tsa metsi a lipompo le lipeipi tsa metsi tsa bolulo liprofinseng tsohle le litoropong ho pholletsa le naha, 'me haholo-holo e sebelisoa indastering ea kaho e le liphaephe tsa ho ntša metsi, lipeipi tsa pula le liphaephe tse kenyang likhoele.Tube ea UPVC e na le khanyetso ea kutu ea lik'hemik'hale, e itimang 'me e thibela lelakabe, ho hanyetsa boemo bo botle, lerako le ka hare le boreleli, ts'ebetso e ntle ea motlakase, empa boima ba li-tube tsa UPVC bo tlase, coefficient ea katoloso ea mela e kholo, mocheso o moqotetsane.Ha ho bapisoa le phala ea tšepe e entsoeng ka tšepe, tlhahiso le tšebeliso ea phala ea UPVC e ka boloka 55-68% ea matla, 'me ha e bapisoa le phala e entsoeng ka masenke, tlhahiso le tšebeliso ea phala ea metsi ea UPVC e ka boloka 62-75% ea matla,' me theko ka 'ngoe bolelele ba yuniti ea litlhaloso tse tšoanang ke halofo feela ea phala e entsoeng ka masenke, 'me litšenyehelo tsa ho kenya li tlase ho 70% ho feta phala e entsoeng ka masenke.Ho sebelisa lithane tse 1 tsa phala ea phepelo ea metsi ea UPVC ho ka nka sebaka sa lithane tse 12 tsa phala ea tšepe e entsoeng ka tšepe.Tone e le 'ngoe ea melumo ea UPVC e ka boloka lithane tse 25 tsa tšepe.

Core layer foam tube: Core layer foam tube ke mofuta o mocha oa li-tube tse nang le likarolo tse ka hare le tsa ka ntle tse hlahisoang ke ts'ebetso ea co-extrusion ea mekhahlelo e meraro, e ts'oanang le e tloaelehileng ea UPVC.Bohareng ke lera le tlaase la foam le lekanyelitsoeng le lekanyelitsoeng la 0.7-0.9.Ho tiea ha eona ka annular ke makhetlo a 8 ho feta a tube e tloaelehileng ea UPVC, 'me e na le botsitso bo botle le ho thibela mocheso ha mocheso o fetoha.E loketseng haholoanyane bakeng sa sistimi ea drainage ea meaho e phahameng.

Ha ho bapisoa le tube e tiileng ea lebota, foam core layer tube e ka boloka ho feta 25% ea lisebelisoa tse tala, 'me matla a ka hare a lebota a ntlafatsoa haholo.Ka leboteng le ka hare la lera la foam silencer tube e nang le mela e mengata ea convex helical, metsi hammoho le lebota le ka hare la phallo e sa khaotseng ea spiral, e etsang karoloana ea moea bohareng ba phala ea drain, e le hore khatello e kene. phala e fokotsehile ka 10%, matla a kakaretso a eketseha ka makhetlo a 10, phallo e eketseha ka makhetlo a 6, lerata le tlaase ho 30-40db ho feta pipe e tloaelehileng ea UPVC.

PVC radial reinforced pipe: Ho hlahisoa ha phala ena ho sebelisoa mochini o khethehileng oa hlobo le mochini oa ho latela, ke mofuta oa phala e boima e matlafalitsoeng ea khalase ea lijo-thollo.E khetholloa ka ho matlafatsa radial leboteng le ka ntle la phala, e ka ntlafatsang haholo ho satalla le ho hatella matla a lesale la phala.E loketse ka ho khetheha bakeng sa drainage ho boenjiniere ba masepala.

Metsu e nang le mabota a mabeli: metsu e nang le mabota a mabeli e etsoa ka ho ntša liphaephe tse peli tse concentric ka nako e le 'ngoe ebe ho tšeloa tšupu e ka ntle ea melumo holim'a tšupu ea koporo e nang le lebota le ka hare le boreleli.Ka lerako le ka hare le boreleli le lerako le ka ntle, boima bo bobebe le matla a phahameng, ha li bapisoa le li-tubes tse tloaelehileng tsa UPVC li ka boloka 40-60% ea lisebelisoa tse tala, tse sebelisoang haholo bakeng sa phala ea puisano, phala ea ho qeta kaho le phala ea metsi ea temo.

Nako ea PVC ka phala e matlafalitsoeng: ka likarolo tse peli tse ka hare le tse ka ntle tsa polasetiki ea extrusion ea polasetiki, e nang le fiber ea maiketsetso, e bonolo, e ka kobeha.Pipe e pepeneneng ea PVC e na le khanyetso e ntle ea asiti, ho hanyetsa alkali, ho hanyetsa oli, ho hanyetsa botsofali, ho ka nka sebaka sa phala ea rabara, 'me theko e theko e tlaase.E sebelisoa haholo ho naetrojene, oksijene, carbon monoxide le likhase tse ling le metsi, ho hlapolla alkali, oli le lipalangoang tse ling tsa metsi, le tsona li ka sebelisoa joalo ka heater ea metsi, sprayer, conduit cooker.

Pipe ea CPVC: Pipe ea CPVC ke mofuta oa phala ea polasetiki e nang le khanyetso e ntle ea mocheso, e sebetsoang ke chlorine polyvinyl chloride e nang le chlorine e fetang 66%.Mocheso o hanyetsanang le mocheso oa pipe ea CPVC o phahame ho feta 30 ℃ ho feta oa phala ea UPVC, 'me botsitso ba mahlakoreng boa ntlafatsoa,' me tekanyo ea ho atolosa moeli e fokotsehile.CPVC tube e na le matla a ho hanyetsa mocheso, ho hanyetsa botsofali, k'hemik'hale ea ho senya lik'hemik'hale, ha ho na deformation ka metsing a belang, e ka sebelisetsoang metsi a chesang, mokelikeli o thibelang kutu le lipalangoang tsa khase.