Ka ho hlahisoa ha Morero oa Lilemo tse Hlano oa Leshome le Metso e 'Meli, ts'ebetso ea ho aha litoropo naheng ea heso e tla potlaka selemo le selemo. Keketseho e 'ngoe le e 'ngoe ea ho aha litoropo ka 1% e tla hloka tšebeliso ea metsi a li-cubic metres tse libilione tse 3.2. Ka hona, tlhahiso ea liphaephe tsa polasetiki e ntse e lebelletsoe ho boloka sekhahla se tloaelehileng sa selemo sa 15%. Sekhahla sa kholo e kopaneng sa hoo e ka bang %.

Liphaephe tsa polasetiki tsa Chaena li fetohile sehlopha sa bohlokoa sa lihlahisoa tsa polasetiki. Lisebelisoa tsa kaho tsa lik'hemik'hale ke mofuta oa bone oa thepa e ncha ea kaho e hlahang mehleng ea kajeno kamora tšepe, lehong le samente. Liphaephe tsa polasetiki, liprofaele tsa polasetiki, mamati le lifensetere ke mefuta e 'meli e meholo ea thepa ea kaho ea lik'hemik'hale e sebelisoang khafetsa. Ho tloha ka 1994, mmuso oa Chaena o hlophisitsoe hammoho ke Lefapha la Kaho, Lefapha la mehleng la Indasteri ea Lik'hemik'hale, Lekhotla la mehleng la Indasteri ea Mabone ea Naha ea Chaena, Ofisi ea Naha ea Lisebelisoa tsa Kaho, le Mokhatlo oa mehleng oa China Petrochemical ho hlophisa hammoho "Sehlopha se Etellang Pele sa Khokahano ea Lisebelisoa tsa Kaho tsa Naha" ho theha le ho phatlalatsa boiteko bo amehang. Nts'etsopele ea lisebelisoa tsa kaho tsa lik'hemik'hale lipheo, merero, maano, maemo, jj. Lilemong tse 'maloa feela, liphaephe tsa polasetiki tsa Chaena, liprofaele, mamati le lifensetere li fihletse nts'etsopele e potlakileng. Bokgoni ba naha ba tlhahiso ya diphaephe tsa polasetiki ka 1994 e ne e le ditone tse 240,000, mme tlhahiso e ne e le 150,000. Ka 2000, bokgoni e ne e le ditone tse dimilione tse 1.64, mme tlhahiso e ne e le ditone tse milione (tseo tlhahiso ya diphaephe tsa PVC-U e neng e le ditone tse ka bang 500,000), mohala wa tlhahiso ya diphaephe o fihlile ho tse fetang 2,000, mme sekala se seholo sa tlhahiso ya diphaephe tse thata tsa polyvinyl chloride se feta ditone tse 10,000. Ho na le dikgwebo tse fetang 30 naheng ka bophara.

Marangrang a diphaephe tsa setso ke haholo-holo diphaephe tsa tshepe, diphaephe tsa tshepe e entsweng ka tshepe, diphaephe tsa samente le diphaephe tsa letsopa. Disebediswa tsa diphaephe tsa setso ka kakaretso di na le dibopeho tsa tshebediso e phahameng ya matla le tshilafatso ya tikoloho. Ka nako e ts'oanang, marangrang a diphaephe le ona a na le mefokolo e latelang: ① Bophelo bo bokgutshwane ba tshebeletso, ka kakaretso ke dilemo tse 5-10; ②Khanyetso e fokolang ya dikhemikhale le kganyetso ya mafome; ③Tshebetso e fokolang ya hydraulic; ④Ditjeo tse hodimo tsa kaho, nako e telele; ⑤Botshepehi bo fokolang ba diphaephe, ho bonolo ho dutla, jj. Ho tloha bohareng ba lekgolo la bo20 la dilemo, dinaha ho pota lefatshe, haholoholo dinaha tse tswetseng pele, di ntse di ntshetsa pele thepa e ikgethang bakeng sa diphaephe tsa polasetiki le ho sebedisa diphaephe tsa polasetiki.

Lilemong tse leshome tse fetileng, liphaephe tsa polasetiki li ntlafalitsoe ka potlako. Liphaephe tsa polasetiki li ntse li tuma haholo ka lebaka la tšireletso ea tsona ea tikoloho le polokeho bophelong ba letsatsi le letsatsi le lits'ebetsong tsa indasteri, 'me li bapala karolo ea bohlokoa le e ke keng ea nkeloa sebaka. Haholo-holo indastering ea kaho, liphaephe tsa polasetiki ha li khone feela ho nkela tšepe, lehong le thepa ea kaho ea setso sebaka ka bongata, empa hape li na le melemo ea ho boloka matla, ho boloka thepa, tšireletso ea tikoloho, ntlafatso ea tikoloho ea bolulo, ntlafatso ea ts'ebetso ea moaho le boleng, phokotso ea boima ba moaho, le ho phethoa habonolo. , E sebelisoa haholo ho aha phepelo ea metsi le drainage, phepelo ea metsi le drainage ea litoropo, liphaephe tsa khase le masimo a mang; sekhahla sa kholo ea liphaephe tsa polasetiki se ka ba makhetlo a 4 ho feta sekhahla sa kholo se tloaelehileng sa liphaephe, e leng se phahameng haholo ho feta sekhahla sa kholo ea moruo oa naha oa linaha tse fapaneng. Ho nkela liphaephe tsa tšepe e lahliloeng le liphaephe tsa tšepe tse entsoeng ka galvanized ka liphaephe tsa polasetiki tse tala tse amohelang tikoloho sebaka e se e le mokhoa oa nts'etsopele lekholong le lecha la lilemo. Liphaephe tsa polasetiki li ntlafalitsoe ka katleho 'me li sebelisoa haholo linaheng tse tsoetseng pele, haholo-holo Europe; ntshetsopele naheng ea heso e ntse e lieha, empa lilemong tsa morao tjena, ka ntlafatso ea matla a naha a naha ea heso a felletseng le ntlafatso ea maemo a bophelo a batho, liphaephe tsa polasetiki li hatetse pele ka potlako. nts'etsopele ea.

Mefuta le ts'ebeliso ea lipeipi tsa polasetiki li ntlafetse ka potlako lilemong tse 'maloa tse fetileng. Hona joale, lipeipi tsa polasetiki tsa naha ea heso li fetohile indasteri ea thepa ea kaho e nang le mefuta e fapaneng e felletseng le bokhoni bo boholo ba tlhahiso. Mefuta e meholo ea lipeipi tsa polasetiki ke: lipeipi tsa UPVC,Liphaephe tsa CPVC, le liphaephe tsa PE. , Phaephe ea PAP, Phaephe ea PE-X, Phaephe ea PP-B,Phaephe ea PP-R, Phaephe ea PB, Phaephe ea ABS,phala e kopantsoeng ea tšepe-polasetiki, phaephe e matlafalitsoeng ka faeba ya khalase, jj. E sebediswa haholo diphaepheng tsa phepelo ya metsi le diphaepheng tsa drainage bakeng sa kaho, diphaepheng tsa phepelo ya metsi tse patilweng metseng, diphaepheng tsa drainage, diphaephe tsa kgase, diphaepheng tsa phepelo ya metsi le drainage bakeng sa dibaka tsa mahaeng, diphaephe tsa nosetso, le dipalangwang tsa dikgwerekgwere tsa diindasteri le tsa mokelikeli wa dikhemikhale, jj., ho fihlela ditlhoko tsa mafapha a fapaneng a moruo wa naha. Ditlhoko tse fapaneng tsa diphaephe. ​​Re lokela ho ntshetsa pele le ho hlahisa mofuta o itseng wa phaephe ya polasetiki ho ya ka dibopeho le tshebediso ya diphaephe tse fapaneng.