I-piping ye-UPVC yezimboni iqinisekisa ukusebenza isikhathi eside, okungathathi isikhathi sokunakekelwa kwephrojekthi eyinhloko yezezimali yaseShayina.
Ngonyaka ka-2005, uphawu lwe-Yandang lwakhethwa ukuze lwakhe inethiwekhi ebalulekile yokujikeleza kwamanzi kanye nezokukhipha amanzi eZheneng Yueqing Power Plant, okuyisisekelo esikhulu samandla esiqhutshwa yiZhejiang Energy Group (Zheneng). Le phrojekthi yafuna ukuqina okukhulu kohlelo olusebenza ngaphansi komthwalo oqhubekayo, unyaka wonke.
Inselelo
Izinhlelo zamanzi ezijikelezayo ezitshalweni zamandla zibandakanya ukugeleza okukhulu kanye nokuchayeka njalo emanzini angahlanzekile. Amapayipi ensimbi endabuko abhekana nokugqwala okukhulu nokwakheka kwe-scale, okuholela ekwehleni kokusebenza kanye nezindleko eziphakeme zokugcinwa. Iphrojekthi ibidinga isixazululo esinokuqina okukhulu, izakhiwo ezivimbela i-scale, kanye neminyaka eminingi yokuphila okuhleliwe.
Isixazululo se-Yandang
I-Yandang yethule Amapayipi Nezixhumi ze-UPVC Zekilasi Lezimboni, enikeza izinzuzo ezicacile phezu kwezinto ezivamile:
• Ukuqina Okukhulu Komzimba — Ukubekezelela imithwalo yangaphandle kanye nomfutho wangaphakathi ngaphandle kokuhlanekezela.
• Ukumelana Nokugqwala Amanzi Nokwakheka kwe-Scale — Ukuqinisekisa izindonga zangaphakathi ezibushelelezi ezivimbela ukwakheka kwe-biofilm ne-scale.
• Ukufakwa Okulula — Okulula futhi okulula ukuxhuma, kunciphisa kakhulu isikhathi sokwakha nezindleko.
Uhlelo luhlanganisa izicelo ezibalulekile ezifaka ukugeleza kwamanzi okupholisa, ukuhlinzekwa kwamanzi ezinhlelo zesitshalo, kanye nokukhishwa kwamanzi emvula.
Imiphumela Nomthelela
Kusukela ekuqaliseni eminyakeni engama-20 edlule, uhlelo lwepiping lwe-Yandang luhlinzeke ukusebenza okuhle, ngaphandle kwezinkinga, ngokuhlinzeka ngezidingo zokunakekelwa ezincane. Le phrojekthi ibonakala njengemkhawulo wezokwakha amandla okushisa, amanzi, kanye namandla enuzi, iqinisekisa ukuthi amapayipi e-Yandang aphelele aklanyelwe izicelo zokusebenza ezinzima kakhulu.