Uma ungena ukufunuka i-material enkulu elibhizinisiwe yendawo yakho yokulima nesiHVAV, ngakho lo mpumlo SCH 40 igalama esitenjisiwe yi-nqanawa lomphathiso. Leli mpumlo uhlaba kakhulu ukubonisa isingabo esikhulu, kunye nokuphumelela ukungabhedekisele ngokushesha kunye nokuhlelwa. Ngoko ke ngasemva sonke abasebenzisi, amaphathi kunye nezinhlelwano zazisenzela lokhu phakathi komhlaba. Ukuze kube lutho oluningiwe, kodwa kukholeka ukuba benziwe imigomo.
I-steel pipe ye-SCH 40 yophuhliso lusayiswe ngaphandle ngezinc layer imetal. Lomphathisi wokuqala uqondiswa ngokuba uphinda ukuvimba isayizi esiqendu kwaye ususa umoya. Ngoko ke, phambi kokufika, ilayithi lezinc elupheleleyo kwisekhelo lushayiswe ukukhangelela ukuba akuxoxwa ngokuthi ubuchwephesha. Ukubuchazeka kumane kunene kusebenzi lokusekela kwaye kuyahlukanisa ukusetshenziswa kwisekhelo esibizwa ngokuthi strong steel ngokuhlukeka ukusetshenziswa ngokulandelana nezinto ezintsha zezilayithi. Lokhu kulandelayo ngokuba ukuziphatha kwenye into yokugcina.
Ezikhona okanye ukuba uthi ngumthwalo omkhulu, isitokhweni esikhulu sokugcina amagumbi, nokuncedisi lwesicwangciso elincane, iSCH 40 galvanized metal water pipe sithetha ukubuya kwindawo lokusebenza yonke into yokusebenzela amaphipha ngenxa yakho nokulayisha kokuphucula kunye nekuvamiswa. Ingxenye yayo iyiphakamisile kulandelule kwaye ngemva kokuthi izinto zasemva zezintathu okanye imigomo engapheleleyo ezinomsindo azokuthatha. Lo moya wasebenzi ukuze usebenze amanzi amahhuku okanye umoya wakhiwo ngendlela elungileyo emizuzweni. Yiwesilinda ukusetyenziswa ngaso kwiindlela eziningi, okungabangako ukuthi yayingakanani ukusetshenziswa.
Izindlela ezilimi zesi-40 ezinzalekileyo kwiingqanawa zakwamagcebo yasetyenziswa ngokuphakamisayo kunye nokugcina okukhangelwe. Yintlango engaphakathi kanye neengxoxo ezincedwayo ezazibonisa ukuthi ayizobheka ngendlela engeziyo. Lokunye kuvela ukuthi kusetshenziswa ngokubanzi kumasebenzi, amafakthi kunye neezindawo zokugcina — amahloko apha ungene ukuba uhlala phakathi kwabesifunde sikaqobo. Izindlela zihlabelewe ngesintsi esiyazi ukuthi ziziphathelise kakhulu kuhluke nezinye izindlela ezimbili zomgcebo. Kungaba lokunye ukuthi zizohluleka kakhulu ukufika kusenzo kunye nokuba zizozibuyela kakhulu.
Umgca wokugcina wezincwadi ezithandwayo kuzo kwiqhelenkosi lokubulisa, uzokususa ukusuka nokuhlala kakhulu kwamanzi. Kungaphezulu lokuncane ngaphandle kokuba kuhluke amaxesha akho asebenza ngezinto ezininzi njengemagaba, uhlola kunye nezinto zokugcina. Uma izincwadi zingasetyenziswa ngakwesibini, izindlela zakho zizobuya zikhona ngokushesha kunye nokuthi zizoshintsha okanye izigqiki zazo zizoshintshwa ukuthi zonke izinto zizobuya zisebenza ngokukhanya. Lolu hlobo lokungena kuphela isebenzisa ukuthi asikhwalele umthetho wakho, ukusetshenziswa kakhulu ngexesha eliphambili. Ngaphambi kokufika, umgca wokugcina wezincwadi ezithandwayo kukho kuhluke kunye nokuba kudlule, ngakumbi ungathanda ukuthi ayiqabene okanye ayisetyenziswa ngapha ukuthi azofunyanwa ngaphandle komthetho wakho.
Uguqulo lwezilungile ezimbili eziphakeme zezisele elizweni yethemba ngokusho ukuthi siyazi isenziwano esisodwa kusendaweni sokudibanisa. Umphathi wethu wesikhashana siphumelela ukuhlola lokusebenza ngezinto ezithunyelwe, njengamazwelo, iziphumo zeqhutyandaba nokuphuma kwesikhatsi esifundekayo ngesikhatsi sesixhasa. Ngokuhlukaniswa kanye nokulandelana ngemvula, sizothola amaxwebhu ekugcinwayo kunye neziqiniso ezibonakalayo kuzo zihlola ngaso kwiqhutyandaba lokusebenza, uzokusenzela ukuthi abanini abathumele amaxwebhu angaze angaphumelele ukuthi akukho ungenzi lokuthi.
Shandong Changshengda Steel Co Ltd inani le 12 amashiye ngaphandle kwezicwangciso zokuthumela nokulima. Ukuhlanganiswa okukhedise kwezindlela ezifanayo yokuthumela imibhalo iyiphakamise yilethi elithathu lwezintlobo lokuthumela, eziphumuleleyo iindawo eziyi-150, ucinge ukuthi abafundi bazame ukuphucula amagodi nokugcinwa kwezinye izwe. Ukubuya ngenqanawe nezidingo zezilimi eziningi ziyahlelisa ukuba ungene ukufaka izincazelo ezincane zethu kwiindawo ezizenzakalo, uzokusure kaNdabuko ukuthi babalulekile baze bathumele isch 40 galvanized steel pipe emali engaphezulu.
Shandong Changshengda Steel Co., Ltd. yindlela elishona ngezinye izinto ezifanekiso ne-sch 40 galvanized steel pipe. Zizama ngokubheka okuhlukekhayo, ukulayisha ngokugcino, ukuhluyiswa ngokugcino, ukufaka amabala, ukuqinisekiswa kwe-galvanizing, kunye nokuhlola kwalendlela. Ngaphakathi lokhu luchungechwe ngokusetyenziswa kwesistimu sokuhlola esebenzisa 90001. Ukuphawula kwake kwezinyanga zonke inguquko lestele yezintuthuko ezihlanu zingavumelekileyo zikwenza ukuba amandla akwandlele kumaxwebhu ezi-1 million tons steel ukuvumela ukuya kwindlela yokuhlola kwezintuthuko zakhe kunye nokufakelwa kokungafaneleleyo kwezintuthuko ezintathu zingene zikhulu kuzo kuzo ngonyaka oluhluke. Yindlela engamthethisiweyo oyaziya ukusetyenziswa kwezicatshontolo ezindaleko kunye nokuhlola kwalendlela kunye nezi zinto ezazithunyelwe ngu-makhweni.
I-Shandong Changshengda Steel Co., Ltd. ifumanekiso eChina ngaphandle kokuthi yibenketho besele kakhulu lokusebenza olwandle lwamabheka. Yintoni sch 40 galvanized steel pipe ngezikhundla ezidingekiweyo. Leli nyusithi yakho yalayishwa kwi-2011 kunye nokubuyelelwa njenge-"National 863 Program Project Execution Unit". Ngonyaka yawo lento yamaninzi amashumi asihlanu, phakathi kwaloo mntu wokuqala wesithathu amashumi amahlanu abaninzi babenzi ngokulula kunye nokusebenzela. Iphakamishi yokusebenza iyiphawuli le-200000 i-ameti ya-sikwele kunye nokuthi yindlela yesilondolozi somsebenzi osifundekiweyo esisodwa sijongiwe ngokuxhasa kunye nokuthatha umlando wezinto ezilandelayo kunye nokuthintela kunye nokugcina izinto ziyinhloko.