Munzvimbo dzinogara dzichigara dzekuvaka uye maindasitiri, kudiwa kwezvinhu zvakasimba uye zvakavimbika. Pakati pezvinhu izvi, mapake emapaketi akapetwa, kunyanya ayo anosangana neASTM A202 zviyero, ave iva dombo reminda dzakasiyana siyana. Iyi blog inoongorora mafomu ezvipfeko zvakapetwa kaviri mukuvaka uye maindasitiri, zvichiratidza kukosha kwavo nezvakanakira zvadzo.
Maviri akapfeka pombi, zvakare inozivikanwa seDSAW (yakapetwa kaviri Arc welded) pombi, inogona kutsungirira dzakakwirira dzvinyiriro uye dzakakodzera kune dzakasiyana siyana nharaunda dzinosiyana. Iyo ASTM A252 Standard inotonga kugadzirwa kweiyi mapaipi aunovimbwa neveinjiniya uye nyanzvi dzekuvaka kwemakore mazhinji. Iyo standard inovimbisa kuti mapepa akasangana nemhando dzakasimba uye maitiro ekuita, achivabatsira kuvaka, mafuta uye gasi, uye zvimwe zvinorema maindasitiri.
Chimwe chezvakanyanya zvekushandisa mapepa akapetwa kaviri ari mukuvakwa kwemafiramu akaomarara. Nesimba uye kusimba kunodiwa kutsigira mitoro inorema, mapepa aya chinhu chakakosha mukuvakwa kwemabhiriji, zvivakwa, uye zvimwe zvirongwa zvezvipfuyo. Kugona kwavo kumira zvakadzama kunorwadza kunoita kuti vakwanise kushandisa mukuratidzira masisimendi ekushandisa, uko kwavanodzingwa muvhu kuti vape rutsigiro rwaro.
Mumafuta negesi yegesi,DSAW PIPESinotora chinzvimbo chakakosha mukufambisa kwemvura uye magasi. Kuvaka kwayo kwakarongeka kunogonesa kutsungirira kumanikidzwa kwepamusoro kwakabatana nezvinhu izvi, kunoita kuti uwedzere kutakurwa uye kushanda. Pamusoro pezvo, kupokana kweCorrosance yeDSAW PEPE kunoita sarudzo yakanaka yenzvimbo dzine njodzi, dzakadai sechidhiraivha dzinochema uye dziratidzo dzekunatswa, iko kuratidzwa kwezvinhu zvinokanganisa.
Kugadzira mapepa akapetwa kaviri pane yakaoma maitiro ayo anoda kunyatsojeka uye hunyanzvi. Fekitori yedu iri muCangzhou Guta, rave riri province yeindasitiridzo kubvira pakamiswa kweRMB 680 miriyoni, uye yakashongedzwa neye-ye-iyo-iyo-iyo-iyo-yemibatanidzwa vashandi uye mazana matanhatu emari. Izvi zvinoita kuti tikwanise kuburitsa yakakwirira-mhando DSAW gasi mapipi ayo anosangana nezvinodiwa zvekuvaka zvazvino zvekuvaka uye maindasitiri ekushandisa.
Pamusoro pezvo, kudzikisira kwepapa kwakapetwa kaviri kunotambanudzira kupfuura zvetsika zvetsika. Ivo vari kuwedzera kushandiswa mumapurojekiti ekuvandudza, senge mhepo nemapurazi emhepo, idzo dzavanoita seyakagadzirwa nerutsigiro rwese uye yekuendesa simba. Sezvo nyika inofamba yakananga kumhinduro dzakasarudzika, iro basa rakapetwa kaviri mukufambisa shanduko iyi isingakwanisi kuve yakachengetedzwa.
Mukupedzisa, izvo zvinoshandiswa kaviriYakatemwa PombiMukuvaka nguva yemazuva ano uye indasitiri yakakura uye yakasiyana-siyana. Vanosangana neASTM A252 zviyero, ichivimbisa huwandu hwepamusoro uye hwekuita zviyero zvinosangana, zvichivaita sarudzo yakavimbika yeinjiniya uye nyanzvi dzekuvaka. Sezvo indasitiri inoramba ichishanduka uye inosangana nematambudziko matsva, kukosha kwezvakawanda zvekushandisa zvakadai zvakapetwa kaviri pombi inongokura chete. Kuzvipira kwedu kubereka yakakwirira-mhando DSAw gasi mapepa akatiita mutungamiri mumunda, akagadzirira kusangana nezvinodiwa nezveramangwana. Kunyangwe mukuvaka, mafuta negesi kana gasi kana nzvimbo dzekuvandudza mapipi, pombi dzakapetwa kaviri dzichatamba yakakosha mukuumba mashandisiro emangwana reramangwana.
Kutumira Nguva: Dec-27-2020