Nekuparurwa kweChirongwa cheGumi neMakore cheMakore mashanu, hurongwa hwekuvandudza maguta munyika yangu huchawedzera gore negore. Kuwedzera kwe1% kwega kwega mumaguta kunoda 3.2 bhiriyoni cubic metres yekushandiswa kwemvura yemumaguta. Naizvozvo, kubuda kwepombi dzepurasitiki kuchiri kutarisirwa kuchengetedza avhareji yegore negore ye15%. Compound kukura mwero ingangoita %.

Mapaipi epurasitiki eChina akagadzira chikamu chakakosha chezvigadzirwa zvepurasitiki. Zvivako zvemakemikari rudzi rwechina rwezvivakwa zvitsva zviri kubuda mazuva ano mushure mesimbi, huni, uye simende. Mapaipi epurasitiki, mapepa epurasitiki, magonhi nemahwindo ndiwo marudzi maviri makuru ezvigadzirwa zvekuvaka makemikari anoshandiswa kakawanda. Kubva 1994, hurumende yeChina yakarongwa pamwe chete neBazi reKuvaka, yaimbova Ministry of Chemical Industry, yaimbova China National Light Industry Council, National Building Materials Bureau, uye yaimbova China Petrochemical Corporation kuti varonge pamwe chete “National Chemical Industry. Building Materials Coordination Leading Group” kuumba uye kushambadza kwakakodzera kuedza. Kuvandudzwa kwezvinangwa zvekuvaka makemikari, zvirongwa, mitemo, zviyero, nezvimwe. Mumakore mashomanana chete, mapaipi epurasitiki eChina, mapepa, magonhi uye mahwindo akawana kubudirira nokukurumidza. Nyika yekugadzirwa kwepombi epurasitiki muna 1994 yaive 240,000 matani, uye yakabuda yaive 150,000 Muna 2000, huwandu hwaive 1.64 miriyoni matani, uye yakabuda yaive miriyoni matani (apo kubuda kwePVC-U mapaipi angangoita 500,000 matani) , iyo pombi yekugadzira mutsara yasvika kupfuura 2,000, uye yakakura-yakakura chiyero chekugadzira yakaoma polyvinyl chloride pombi inodarika 10,000 matani. Kune anopfuura makumi matatu emabhizinesi munyika yose.

Traditional pombi network kunyanya simbi pombi, cast iron pombi, simende pombi uye ivhu pombi. Zvechinyakare pombi zvinhu zvinowanzove nehunhu hwekushandisa simba rakawanda uye kusvibiswa kwezvakatipoteredza. Panguva imwecheteyo, iyo pombi network inewo zvinotevera zvinokanganisa: ① Hupenyu hupfupi hwebasa, kazhinji makore 5-10; ②Kusagadzikana kwemakemikari kuramba uye kusagadzikana nekuora; ③Kushaikwa kwehydraulic performance; ④Mutengo wekuvaka wakakwira, nguva refu; ⑤Kusatendeseka kwepombi, kudonhedza nyore, nezvimwewo Kubva pakati pezana remakore rechi20, nyika dzepasi rose, kunyanya nyika dzakabudirira, dzanga dzichigadzira zvinhu zvakakosha zvepombi dzepurasitiki uye kushandisa pombi dzepurasitiki.

Mumakore gumi apfuura, pombi dzepurasitiki dzakagadzirwa nokukurumidza. Mapombi epurasitiki ari kuramba achizivikanwa nekuda kwekuchengetedza kwezvakatipoteredza uye kuchengetedzeka muhupenyu hwezuva nezuva uye maindasitiri maapplication, uye anoita basa rakakosha uye risingadzokerike. Kunyanya muindasitiri yekuvaka, mapaipi epurasitiki haangogone kutsiva simbi, huni, uye zvechinyakare zvekuvakisa muhuwandu hwakawanda, asi zvakare zvine zvakanakira zvekuchengetedza simba, kuchengetedza zvinhu, kuchengetedza ecological, kuvandudzwa kwenzvimbo yekugara, kuvandudzwa kwebasa rekuvaka. uye kunaka, kuderedzwa kwehuremu hwekuvaka, uye kupera kuri nyore. , Inoshandiswa zvakanyanya mukuvaka mvura yekugezera uye yekugezera, mvura yemudhorobha uye yekugezera, mapaipi egasi nemimwe minda; chiyero chekukura kwepombi dzepurasitiki chinenge 4 nguva yeavhareji yekukura kwepombi, iyo yakakwirira kwazvo kupfuura yekukura kwehupfumi hwenyika dzakasiyana-siyana. Kutsiva pombi dzesimbi dzakakandwa uye pombi dzesimbi dzakabatikana nepombi dzegirinhi dzakasvibirira dzakatenderedza dzave maitiro ebudiriro muzana ramakore idzva. Mapaipi epurasitiki akabudirira kugadzirwa uye anoshandiswa zvakanyanya munyika dzakabudirira, kunyanya muEurope; kusimukira munyika yangu kwave kunonoka, asi mumakore achangopfuura, nekusimudzirwa kwesimba rakakwana renyika yangu uye kuvandudzwa kwemararamiro evanhu, pombi dzepurasitiki dzakafambira mberi nekukurumidza. kukura kwe.

Mhando uye kushandiswa kwepombi dzepurasitiki dzakagadzirwa nekukurumidza mumakore mashoma apfuura. Parizvino, mapaipi epurasitiki enyika yangu akagadzira indasitiri yezvivakwa zvekuvaka ine huwandu hwakakwana uye hukuru hwekugadzira. Mhando huru dzepombi dzepurasitiki ndeidzi: UPVC mapaipi,CPVC mapaipi, uye PE mapaipi. , PAP pombi, PE-X pombi, PP-B pombi,PP-R pombi, PB pombi, ABS pombi,simbi-plastiki inoumba pombi, girazi faibha yakasimbiswa pombi, etc. Inoshandiswa zvakanyanya mupombi dzemvura uye pombi dzemvura dzekuvaka, pombi dzemvura dzemumaguta dzakavigwa, pombi dzemvura, pombi dzegesi, pombi dzemvura uye dzemvura dzekumaruwa, pombi dzekudiridza, uye pombi dzemaindasitiri. kutakurwa kwemakemikari emvura, nezvimwewo, kusangana nezvinodiwa zvezvikamu zvakasiyana zvehupfumi hwenyika. Zvido zvakasiyana zvepombi. Isu tinofanirwa kugadzira uye kugadzira imwe mhando yepombi yepurasitiki zvinoenderana nehunhu uye kushandiswa kwepombi dzakasiyana.