Munyika iri kuramba ichichinja-chinja yekuvaka uye mashandisirwo emaindasitiri, kudiwa kwezvinhu zvakasimba uye zvakavimbika ndiko kunonyanya kukosha. Pakati pezvinhu izvi, mapaipi akasungirirwa kaviri, kunyanya ayo anosangana nezvinodiwa zveASTM A252, ave musimboti muminda yakasiyana-siyana. Blog rino rinoongorora mashandisirwo emapaipi akasungirirwa kaviri mukuvaka kwemazuva ano uye maindasitiri, richiratidza kukosha kwawo uye zvakanakira.
Pombi yakasungirirwa kaviri, inozivikanwawo seDSAW (double submided arc welded) pipe, inogona kutsungirira kumanikidzwa kwakanyanya uye yakakodzera munzvimbo dzakasiyana-siyana dzinoda simba. ASTM A252 standard inodzora kugadzirwa kwepombi idzi yave ichivimbwa nemainjiniya nenyanzvi dzekuvaka kwemakore mazhinji. Standard iyi inoita kuti pombi dzisvike pamhando yepamusoro uye mashandiro adzo, zvichiita kuti dzive dzakakodzera kuvaka, mafuta negesi, uye mamwe maindasitiri makuru.
Chimwe chezvinhu zvikuru zvinoshandiswa nemapombi akasungirirwa kaviri ndechekugadzira mafuremu ekuvaka. Nesimba uye kugara kwenguva refu zvinodiwa kuti zvitsigire mitoro inorema, mapaipi aya akakosha pakuvaka mabhiriji, zvivakwa, uye mamwe mapurojekiti ezvivakwa. Kugona kwawo kutsungirira kumanikidzwa kwakanyanya kunoitawo kuti akwanise kushandiswa mukuisa makomba, uko anorovererwa muvhu kuti atsigire hwaro.
Muindasitiri yemafuta negesi,Mapaipi eDSAWine basa rakakosha mukutakurwa kwemvura nemagasi. Kuvakwa kwayo kwakasimba kunoita kuti ikwanise kutsungirira kumanikidzwa kwakanyanya kunokonzerwa nezvinhu izvi, zvichiita kuti kutakurwa kwakachengeteka uye kunoshanda. Pamusoro pezvo, kuramba ngura kwepombi yeDSAW kunoita kuti ive sarudzo yakanaka kune nzvimbo dzakaoma, dzakadai semapuratifomu ekuchera matombo ari kunze kwenyika nenzvimbo dzekuchenesera, uko kusangana nezvinhu zvinoparadza kuri dambudziko.
Kugadzira mapaipi akasungirirwa kaviri inzira inonetsa inoda kunyatsorongeka uye hunyanzvi. Fekitori yedu iri muCangzhou City, Hebei Province, uye yave iri pamberi muindasitiri iyi kubvira payakavambwa muna 1993. Fekitori iyi ine nzvimbo inosvika 350,000 square metres, ine pfuma inosvika RMB 680 miriyoni, uye ine tekinoroji yemazuva ano uye vashandi vane hunyanzvi 680. Izvi zvinotigonesa kugadzira mapaipi egasi eDSAW emhando yepamusoro anosangana nezvinodiwa zvekuvaka kwemazuva ano uye maindasitiri.
Pamusoro pezvo, kushandiswa kwemapombi ane tambo mbiri (double welded pombi) kunopfuura kushandiswa kwawo kwekare. Ari kushandiswa zvakanyanya mumapurojekiti esimba rinogona kushandiswazve, akadai semapurazi emhepo nemagetsi ezuva, uko anoshanda senzira dzekutsigira chivakwa uye nzira dzekutumira simba. Sezvo nyika iri kufambira mberi kune mhinduro dzesimba rinogara kwenguva refu, basa remapombi ane tambo mbiri mukubatsira shanduko iyi harigone kutaurwa zvakanyanya.
Mukupedzisa, mashandisirwo eDoubleWelded PipeMukuvaka kwemazuva ano uye maindasitiri makuru uye akasiyana-siyana. Anosangana nezvinodiwa zveASTM A252, zvichiita kuti zvive zvemhando yepamusoro uye zvinodiwa pakushanda, zvichiita kuti ive sarudzo yakavimbika kune mainjiniya nenyanzvi dzekuvaka. Sezvo indasitiri ichiramba ichichinja uye ichitarisana nematambudziko matsva, kukosha kwezvinhu zvinovimbika zvakaita seDouble Welded Pipe kuchakura chete. Kuzvipira kwedu kugadzira mapaipi egasi eDSAW emhando yepamusoro kwakatiita vatungamiriri mumunda uyu, takagadzirira kusangana nezvinodiwa mune ramangwana. Ingave muzvikamu zvekuvaka, mafuta negasi kana simba rinogona kushandiswazve, Double Welded Pipe ichaita basa guru mukuumba zvivakwa zveramangwana.
Nguva yekutumira: Zvita-27-2024