Kana mapaipi emvura ari pasi pevhu akakundikana, chinhu chimwe chete chinowanzova ngura. Kwemakumi emakore, mainjiniya nevatungamiriri vemapurojekiti vakarwa hondo iyi nependi inochekwa, inobviswa madziro, uye inogadziriswa isingagari kwenguva refu.
Asi pane imwe nzira yakangwara ikozvino.
IyoPombi yePolypropylene Yakanamirwa kubva kuCangzhou Spiral Steel Pipes Group Co., Ltd. iri kuchinja mutambo wemasisitimu emvura ari pasi pevhu. Pane kungopenda pachigadziko chekudzivirira, pombi iyi inouya nejira repolypropylene rinobatana nesimbi. Funga nezvayo sechidziviriro chakavakirwa mukati icho zvinhu zvinoparadza zvisingakwanise kupinda nepakati.
Saka zvinomisa sei ngura?
Zviri nyore. Rutivi rwepolypropylene runoita kuti pave nechipingamupinyi chakakwana pakati pesimbi nechero chiri kuyerera nepakati—kana kutenderedza—pombi. Mvura, makemikari, ivhu acids… hapana chimwe chazvo chinobata simbi. Panguva iyi, pombi yesimbi pachayo yakagadzirwa uchishandisa tekinoroji yepamusoro ye spiral submerged arc welding, zvinoreva kuti nzvimbo dzisina kusimba shoma uye hupenyu hurefu hwebasa.
Vanhu vekuCangzhou Spiral Steel Pipes Group vanoziva chimwe chinhu kana zviviri nezvekugadzira mapaipi anogara kwenguva refu. Vakavambwa muna 1993, vava mumwe wevagadziri vanotungamira muChina munzvimbo iyi. Chigayo chavo muCangzhou City chinofukidza nzvimbo yakakura ye350,000 square metres, nevashandi 680 vachiita kuti zvinhu zvifambe zvakanaka. Gore rega rega, vanoburitsa matani 400,000 emapombi esimbi anotenderera—izvo zvinosvika mabhiriyoni 1.8 eYuan mumutengo wezvinobuda.
Izvi zvinorevei kwauri? Zvinoreva kuti ichi hachisi chigadzirwa chekuedza kubva kukambani itsva. Mapaipi aya akaedzwa mumunda, anogadzirwa akawanda, uye akavakwa kuti ashande nemapurojekiti chaiwo epasi pevhu.
Kune masisitimu emvura ari pasi pevhu, kutadza kushanda zvakanaka hakusi sarudzo. Kana pombi iyoyo yapinda muvhu, kuichera zvakare kunodhura mari yakawanda. Pombi yakagadzirwa nepolypropylene inokupa mukana wekuiisa kamwe chete wokanganwa nezvayo kwemakumi emakore.
Uye kutaura chokwadi? Ndirwo rudzi rwerugare rwepfungwa rwakaoma kutara mutengo.
Nguva yekutumira: Chivabvu-23-2026