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Pipe e thata ea PVC, lisebelisoa tsa liphaephe lihlahisoa tse ngata tsa PVC, molemong oa rona oa kholo e potlakileng, hape ke tšebeliso e kholo ka ho fetisisa ea liphaephe tse fapaneng tsa polasetiki.Ka mashano le ho khothaletsa li-tubing tsa PVC naheng ea rona lilemong tsa morao tjena, haholo-holo ts'ehetso ea maano a naha a amehang, tlhahiso le ts'ebeliso ea li-tubing tsa PVC li entse tsoelo-pele e kholo, tlhahiso ea PVC tubing e nkile karolo e fetang 50% ea kakaretso. tlhahiso ea li-tubing tsa polasetiki, tse sebelisoang haholo liindastering tse ngata, indasteri, kaho, temo, joalo-joalo.

1. Nts'etsopele ea pipe ea PVC

1.1 Melemo ea phala ea PVC

Ka kakaretso tlhahiso ea resin, tšebeliso ea resin ea PVC ke e tlaase ka ho fetisisa, litšenyehelo tsa tlhahiso le tsona ke tse tlaase ka ho fetisisa.Tšebeliso ea ethylene ka thane e le 'ngoe ea PVC Chaena ke lithane tse 0.5314, ha karolelano ea ethylene e sebelisoang 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.'Me tlhahiso ea PVC e nang le khase e tala ea chlorine, ke mokhoa oa bohlokoa oa ho leka-lekanya tlhahiso ea soda le ho e etsa ho hlahisa khase ea chlorine, soda ea caustic ke ntho ea bohlokoa haholo e tala e hlokahalang moruong oa naha.Ho phaella moo, ho ea ka pono ea lihlahisoa tsa polasetiki, PVC le mefuta e sa tšoaneng ea li-additives li lumellana hantle, ha ho etsoa liphaephe li ka kenngoa ho palo e kholo ea li-fillers tse theko e tlaase, 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 PVC le tlhahiso ka 'ngoe ea tšepe ea tšepe le 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, tšepe. tšebeliso ea matla ke makhetlo a 4,5 ho feta ea PVC, tšebeliso ea matla a aluminium ke makhetlo a 8.8 ho feta PVC.Tlhahiso ea tšebeliso ea matla a matla a PVC ke karolo ea boraro feela ea phala ea tšepe e lekanang bophara.Ka nako e ts'oanang, hobane lerako la phala ea PVC le boreleli, ha ho na hlahala ea kutu, ts'ebetso e phahameng ea phetisetso ea metsi, e sebelisoang bakeng sa tšelo ea mali 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 ha e ntse e sebelisoa, ho kenya habonolo, ha ho na tlhokomelo, le tšebeliso ea tšepe e le phala ea likhoerekhoere tsa sechaba, ha e ntse e sebelisoa ka lebaka la ho senyeha habonolo, hangata e tlameha ho etsoa. e koahetsoeng ka pente, litšenyehelo tse phahameng tsa tlhokomelo.Kaho e akaretsang le mesebetsi ea sechaba e nang le liphaephe tsa tšepe e hloka ho nkeloa sebaka ka lilemo tse ka bang 20, 'me karolo ea liphaephe tsa PVC tse sebetsitsoeng hantle, bophelo ba tšebeletso ea lilemo tse ka bang 50, joalo-joalo. 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 ho bola.

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 tšebeliso ea liphaephe tsa tšepe tse entsoeng ka tšepe;Litsenyehelo tsa phala ea terata ke 30-33% ka tlase ho feta ea tšepe ea tšepe.'Me karolo ea phala ea chlorinated polyvinyl chloride (PVC) metsing a chesang le a batang, 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.

1.2 Tlhahiso le tšebeliso ea lipeipi tsa PVC

Ho tloha ka bo-1980, NAHA EA RONA E ILE KA KATLEHELO HO HLAHALA MEFUTA E FAPANENG EA PVC phala EXTRUSION LINE EA HO FETA BA Sekete, e ileng ea HLAHALA JOALOKA DALIAN SHIDE, ZHEJIANG YONGGAO, Shanghai TOMCHEN LE TSE LING TSE KHŌLŌ PIPE PEPI.Hajoale, ho na le limela tse fetang 600 tsa UPVC (PVC e thata) le liphaephe tsa tlhahiso ea liphaephe naheng ea rona, tse nang le kakaretso ea tlhahiso ea lithane tse fetang limilione tse 1.1 / selemo, bahlahisi ba fetang 30 ba nang le lithane tse fetang 10,000 / selemo sa tlhahiso. , 'me bahlahisi ba fetang 60 ba nang le tekanyo ea lithane tse 0.5-10,000 / selemo, lisebelisoa tsa tlhahiso ea liphaephe tsa UPVC le lisebelisoa tsa liphaephe li phethahala ka hare ho naha.

NAHONG EA RONA, PVC PIPE E HLAHILE PELE HO FETA PE PIPE LE PP PIPE, mefuta e mengata, ts'ebetso e ntle haholo, e sebelisoang haholo, e nka boemo ba bohlokoa 'marakeng.Qetellong ea 1999, ho ne ho e-na le melapo ea tlhahiso ea liphaephe tsa polasetiki tse fetang 2000 Chaena, tseo har'a tsona lisebelisoa tse tsoang linaheng tse ling li neng li nka karolo ea 15%.Ka 1999, matla a tlhahiso ea mefuta eohle ea liphaephe tsa polasetiki naheng ea rona a feta lithane tse limilione tse 1.65 ka selemo, tlhahiso ea 'nete ea lithane tse ka bang milione e le' ngoe, 'me liphaephe tsa UPVC li ne li 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, le keketseho e potlakileng ea lebelo.LILEMONG TSE FETILENG, LITLHAHISO TSA MEHAHO EA Amerika LI HLALA LI NKA 60% EA LINTHO TSOHLE tsa lihlahisoa tsa tsona, Europe Bophirimela 62%, Japane 50%, karolo ea rona e ka tlase ho 30%, kamore e ntseng e phahama.Ka lihlahisoa tsa thepa ea kaho, le phala le profil haholo-holo, ho kenyeletsoa phala ea metsi ea moaho, phala ea nosetso ea temo, phala ea khase, phala ea oli e tala, jj.

Tlhahiso le tšebeliso ea lipeipi tsa UPVC naheng ea Chaena li qalile ho ntlafala ka potlako nakong ea Moralo oa Lilemo tse Borobong oa Lilemo tse Hlano, o ruileng molemo haholo ke tšehetso e matla ea mmuso le kutloisiso ea sechaba ea liphaephe tsa UPVC.

Hona joale, ts'ebeliso ea pipe ea polasetiki e entsoe 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 meahong e meng ea litoropong, mme likhoebo tse ngata tsa lipeipi tsa UPVC li fumane melemo e metle lilemong tsa morao tjena.

Nakong ea Moralo oa LELEMO LA LESHOME LE HLANO, LIPEIPE TSA UPVC LE PE PLASTIC LI NE LI SEBELISA HAHOLO HO THUSOA le ho sebelisoa ha lipeipi tsa polasetiki, 'me lipeipi tse ling tse ncha tsa polasetiki li ile tsa ntlafatsoa ka matla.Ka 2005, mererong e mecha ea kaho, kaho bocha le katoloso ea naha, 50% ea lipeipi tsa drainage tsa moaho li sebelisa lipeipi tsa polasetiki, 20% ea lipeipi tsa drainage tsa litoropo li sebelisa lipeipi tsa polasetiki, 60% ea phepelo ea metsi ea moaho, phepelo ea metsi a chesang le lipeipi tse futhumatsang. sebelisa lipeipi tsa polasetiki, lipeipi tsa phepelo ea metsi litoropong (Dn400 ka tlase) 50% li sebelisa liphaephe tsa polasetiki, 60% ea lipeipi tsa phepelo ea metsi metseng li sebelisa lipeipi tsa polasetiki, 50% ea lipeipi tsa khase ea litoropong (liphaephe tse mahareng le tse tlase) li sebelisa liphaephe tsa polasetiki, le 80% ea ho haha ​​terata khoele sehlahla sebelisa lipeipi tsa polasetiki.Ho hakanngoa hore tlhoko ea li-tubing tsa polasetiki ka 2005 e feta lithane tse limilione tse peli, tseo boholo ba tsona e leng li-tubing tsa PVC.

Naheng e tsoetseng pele, tšebeliso ea liphaephe tsa PVC ka kakaretso e nka 70-80% ea 'maraka oa liphaephe tsa polasetiki, ha phala ea PVC naheng ea rona e nka karolo ea 50% feela ea palo eohle ea phala ea polasetiki, monyetla oa nts'etsopele ea phala ea PVC naheng ea rona. e kholo haholo.Karolo ea tšebeliso ea liphaephe tsa PVC linaheng tse tsoetseng pele ke: lipeipi tsa phepelo ea metsi li etsa 33%, lipeipi tsa metsi a theohang li etsa 22.3%, lipeipi tsa likhoerekhoere li etsa 15.7%, lipeipi tsa nosetso li etsa 5.2%, lipeipi tsa khase li etsa 0.8%, liphaephe tse ling. e etsa karolo ea 22.7%.Karo-karolelano ea tšebeliso ea liphaephe le pipe e ka bang 1: 8.

'Marakeng oa kaho, ho na le mefuta e' meli ea liphaephe tsa PVC tse sebelisoang: e 'ngoe ke pipe e thibelang khatello, e' ngoe ke pipe e se nang khatello.Pipe ea tšepe e entsoeng ka tšepe le peipi ea koporo e neng e atisa ho sebelisoa nakong e fetileng e le thepa ea mohaho e hanyetsanang le khatello ha e senyehe feela ka botebo, empa hape e hloka tlhokomelo le ho nchafatsoa khafetsa, ka litšenyehelo tse phahameng.Meaho ea kantle ho naha e se e sebelisoa haholo phala ea metsi a khatello, phala ea phepelo ea metsi a chesang hangata e sebelisa phala ea PVC.Pipe e nyane ea PVC (phala ea UPVC, phala ea CPVC) e na le melemo ea litšenyehelo tse tlase, ho hanyetsa kutu, 'me ha ho hlokahale hore e hlokomeloe khafetsa le ho nkeloa sebaka.Le phaephe e kholo ea khatello ea PVC (bophara ka 100-900mm) sebakeng sa phala ea tšepe e entsoeng ka tšepe, e ntlafatsa phala e nyenyane ea seretse, metsi a tsamaiso ea metsi, ho hanyetsa kutu, boima bo tlaase.Ho boloka motlakase, boleng bo botle ba metsi.'Me PVC core layer layer foam pressure phala e sa lefelloeng e le phala ea metsi a ka hare le phala ea metsi a pula, e ka rarolla bothata ba lerata la phala ea metsi a ka tlung.Pipe ea likhoerekhoere ea lisebelisoa e entsoe ka phala e sa hatelloang ea PVC, e thibelang kutu ebile e sa senyehe ke hydrogen sulfide, e na le bophelo bo bolelele ba ts'ebeletso, boima bo bobebe, litšenyehelo tse tlase tsa ho kenya, ho hokela habonolo le ho tiisa, 'me ha ho bonolo ho senya.Ntle le moo, kaho ea phala ea likhoele le phala e ka tlas'a lefatše ke 'maraka o mong oa liphaephe tsa PVC, hajoale mefuta e fapaneng e sebelisoang Chaena ke phala e atolositsoeng ka kotloloho, 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 rona e haelloa ke lisebelisoa, hajoale, boholo ba masimo a rona a ntse a sebelisa nosetso ea likanale, litšila tsa metsi li tebile haholo.’Me ka lebaka la khaello ea metsi, masimo a mangata a temo ha a nosetsoe hantle, ’me chai ea lijalo e tlaase.'Me ho sebelisa pipe ea PVC bakeng sa nosetso ho ka boloka metsi a ka bang 50%.Tšebeliso ea temo ea tsamaiso ea nosetso ea PVC e tsitsitseng kapa e tsitsitseng, ha e boloke metsi feela, empa hape e ka ntlafatsa tlhahiso, kutu ea lisebelisoa le melemo e meng, ho boloka litšenyehelo tsa ho nosetsa le ho fafatsa haholo.Hona joale, naha ea rona ha e e-s'o e-s'o be seterekeng se feletseng sa ho nosetsa phala ea 'nete, boholo ba naha bo ntse bo haelloa ke kutloisiso ea motheo ea nosetso ea liphaephe, ka hona, eketsa phatlalatso le ho phahamisa nosetso ea phala ea PVC libakeng tsa mahaeng, bokhoni ba eona bo boholo haholo. .

1.3 liphaephe tsa PVC tse sebelisoang hangata Chaena

UPVC tube: Tšebeliso e kholo ka ho fetisisa ea UPVC tube ke indasteri ea kaho.Hajoale, e sebelisoa haholo tsamaisong ea lipeipi tsa metsi le phaephe ea metsi ea bolulo liprofinseng tse fapaneng le litoropong ho pholletsa le naha.Haholo-holo e sebelisoa e le phala ea drainage, peipi ea pula le phaephe ea likhoele indastering ea kaho.UPV tube e na le lik'hemik'hale tse hanyetsanang le ho bola ha lik'hemik'hale, ho itima ka boeona le ho thibela lelakabe, ho hanyetsa hantle ho bōptjoa, lerako le ka hare le boreleli, ts'ebetso e ntle ea motlakase, empa boima ba tube ea UPVC bo tlase, coefficient ea ho atolosa linear e kholo, tšebeliso ea mocheso o moqotetsane.Nts'etsopele ea phala ea UPVC e na le melemo e hlakileng.Tlhahiso le ts'ebeliso ea phala ea UPVC e boloka matla a 55-68% ho feta phala ea tšepe e entsoeng ka tšepe, tlhahiso le tšebeliso ea phala ea phepelo ea metsi ea UPVC e boloka matla a 62-75% ho feta phala e entsoeng ka masenke, 'me theko ea bolelele ba yuniti ea litlhaloso tse tšoanang ke 1 feela. /2 ea peipi e entsoeng ka masenke, 'me litšenyehelo tsa ho kenya li tlase ka 70% ho feta peipi 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 foam tube: Core layer foam pipe ke lera tse tharo, kakaretso ea ts'ebetso ea extrusion tlhahiso ea ka hare le ka ntle ho tse peli tse ka hare li tšoana le phala e tloaelehileng ea UPVC, bohareng ke 0.7 0.9 e fokolang e fokolang ea foam e ncha. mofuta oa phala, selikalikoe ho ea ho se thata ke linako tse 8 tsa phala e tloaelehileng ea UPVC, 'me mocheso o fetoha ha maoto a e-na le botsitso bo botle, e ntle ea mocheso oa mocheso, haholo-holo foam core layer e ka ba e khaolitse phetiso ea lerata, E loketseng haholoanyane bakeng sa phallo e phahameng. ho haha ​​tsamaiso ea drainage.

Ha ho bapisoa le tube e tiileng ea lebota, tube e nang le foamed core layer e ka boloka thepa e tala e fetang 25%, 'me matla a ka hare a lebota a ntlafatsoa haholo.'Me leboteng le ka hare le nang le mela e mengata ea convex spiral ka har'a phala ea mantlha ea foam silking, metsi a phallang ka har'a lebota le ka hare la phala ka bolokolohi le ka mokhoa o tsoelang pele ka sebōpeho sa spiral, ho etsa kholomo ea moea bohareng ba phala ea drain, kahoo. hore khatello ea liphaephe e fokotsehile ka 10%, matla a kakaretso a eketseha ka makhetlo a 10, phallo e eketseha ka makhetlo a 6, lerata le tlase ho 30-40dB ho feta phala e tloaelehileng ea UPVC ea drain.

PVC RADIAL REINFORCED pipe: HLAHISO ea phala ena e nka hlobo e khethehileng 'me e etsa sesebelisoa sa ho latela, e leng mofuta oa phala e boima e kholo ea likhopo tsa khalase ea lijo-thollo.Lerako le ka ntle LA phala le na le matlafatso ea radial, e ka ntlafatsang haholo ho satalla le ho hatella matla a lesale la phala, haholo-holo e loketseng bakeng sa drainage ea boenjiniere ba masepala.

Mekhabiso e habeli ea lebota: Mekotla e habeli ea lebota e entsoe ka ho ntša li-tubes tse peli tse bohareng ka nako e le 'ngoe, ebe ho chesetsoa 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 phala e tloaelehileng ea UPVC e ka boloka 40-60% ea lisebelisoa tse tala, tse sebelisoang haholo e le phala ea puisano ea mohala, phala ea mohaho le phala ea drainage ea temo.

PVC PERMEable matlafatsoa phala: ka hare le ka ntle le dikarolo tse peli tsa polasetiki extrusion molding 'me o entsoe ka faeba maiketsetso sandwiched bohareng, bonolo fetoha le maemo, kobehang.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 bakeng sa naetrojene, oksijene, carbon monoxide le likhase tse ling le metsi, ho hlapolla alkali, oli le lipalangoang tse ling tsa mokelikeli, le tsona li ka sebelisoa e le futhumatsang metsi, sprayer, khase cooker conduit.

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 oa mocheso oa tube ea CPVC o phahame ho feta 30 ℃ ho feta oa UPVC tube, 'me botsitso ba dimensional boa ntlafatsoa,' me coefficient ea ho atolosa moeli oa fokotseha.Thepa ea CPVC e na le ho hanyetsa mocheso o babatsehang, ho hanyetsa botsofali le k'hemik'hale ea ho senya lik'hemik'hale, 'me ha e senyehe metsing a belang.E ka sebelisoa bakeng sa ho tsamaisa metsi a chesang, lino tse sa jeng le likhase.Domestic Yunnan Dian-huai Science and Technology Development Co., LTD e hlahisa liphaephe tsa CPVC.