Ezweni elihlala njalo lokuvela kokwakha kanye nezicelo zezimboni, isidingo sezinto eziqinile nezinokwethenjelwa zibaluleke kakhulu. Phakathi kwalezi zinto zokwenziwa, amapayipi ama-welded aphindwe kabili, ikakhulukazi lawo ahlangana namazinga we-ASTM A252, abe yitshe legumbi emikhakheni ehlukahlukene. Le bhulologi ihlola ukusetshenziswa kwamapayipi ama-welded kabili ekwakhiweni kwanamuhla nasembonini, egqamisa ukubaluleka kwawo kanye nezinzuzo zawo.
Ipayipi eliphindwe kabili, eyaziwa nangokuthi i-Dsaw (efakwe kabili i-Arc Welded) ipayipi, ingamelana nezingcindezi eziphakeme futhi ilungele izindawo ezahlukahlukene ezifunwayo. Izinga le-ASTM A252 elawula ukukhiqizwa kwalawa mapayipi athembelwe ngonjiniyela kanye nochwepheshe bezokwakha iminyaka eminingi. Izinga liqinisekisa ukuthi amapayipi ahlangabezana namazinga aqinile namazinga okusebenza, abenze elungele ukwakhiwa, uwoyela kanye negesi, nezinye izinhlelo zokusebenza ezisindayo zezimboni.
Enye yezicelo eziphambili zamapayipi anezinwele eziphindwe kabili ekwakhiweni kwamafreyimu wesakhiwo. Ngamandla nokuqina okudingekayo ukusekela imithwalo esindayo, la mapayipi ayingxenye ebalulekile ekwakhiweni kwamabhuloho, izakhiwo namanye amaphrojekthi wengqalasizinda. Amandla abo okubekezelela nezingcindezi eziphakeme futhi abenze basebenzele ukusetshenziswa ezinhlelweni zokusebenzisa izicelo, lapho beqhutshwa emhlabathini ukuze banikeze usizo lwesisekelo.
Embonini kawoyela negesi,Amapayipi we-DsawIdlala indima ebalulekile ekuthuthweni koketshezi kanye namagesi. Ukwakhiwa kwalo okunama-bugged kukwenza ukuthi kubekezelele izingcindezi eziphakeme ezihambisana nalezi zinto zokwakha, ukuqinisekisa ukuphepha okuphephile nokusebenzayo. Ngaphezu kwalokho, ukumelana nokugqwala kwepayipi le-Dsaw kwenza kube yisinqumo esihle sezindawo ezinokhahlo, ezinjengamapulatifomu okumba agudle umoya kanye nokuhlaziywa, lapho ukuvezwa kwezinto ezilimazayo kukhathazeka.
Ukukhiqiza amapayipi weWeldid Double kuyinqubo ebucayi edinga ukunemba nobungcweti. Ifektri yethu itholakala eCangzhou City, eSifundazweni saseHebei, futhi ibilokhu isenduneni yemboni selokhu yasungulwa ngo-1993. Ifektri ihlanganisa indawo engamamitha-skwele angama-650, futhi ifakwe ubuchwepheshe bezwe kanye nabasebenzi abangama-680. Lokhu kusenza sikwazi ukukhiqiza amapayipi wekhwalithi ephezulu ye-DSAW gesi ehlangabezana nezidingo eziqinile zokwakhiwa kwanamuhla kanye nezicelo zezimboni.
Ngokwengeziwe, ukuguquguquka kwamapayipi anama-welded afinyelela ngaphezu kwezicelo zawo zendabuko. Basebenza kakhulu kumaphrojekthi wamandla avuselelekayo, anjengamapulazi omoya kanye namapulazi elanga, lapho enza khona njengokokuxhaswa okuhlelekile kanye nemikhuba yokuhambisa amandla. Njengoba umhlaba uqhubekela phambili ngezixazululo zamandla esimeme, indima yamapayipi anamaphiko aphindwe kabili ekwenzeni lula lolu shintsho alunakweqiwa.
Ekuphetheni, ukusetshenziswa okuphindwe kabiliIpayipi elinqunyelweEkwakhiweni kwanamuhla nasembonini kukhulu futhi kuyahlukahluka. Bahlangana namazinga we-ASTM A252, baqinisekisa amazinga aphezulu okusebenza kanye nokusebenza ahlangatshezwayo, abenze ukuba babe nesinqumo esithembekile konjiniyela kanye nochwepheshe wokwakha. Njengoba imboni iqhubeka nokuvela futhi ibhekane nezinselelo ezintsha, ukubaluleka kwezinto ezithembekile ezifana nepayipi elishawe kabili lizokhula. Ukuzibophezela kwethu ekukhiqizeni amapayipi asezingeni eliphakeme we-DSAW gesi kusenze sahola emkhakheni, sikulungele ukufeza izimfuno zekusasa. Noma ngabe kusekwakhiweni, uwoyela kanye negesi noma i-energy yamandla evuselelekayo, ipayipi elisha kabili le-welded lizodlala indima enkulu ekubumbeni ingqalasizinda yesikhathi esizayo.
Isikhathi sePosi: Dec-27-2024