Munyika yekugadzirwa kwepombi yesimbi, kunzwisisa maindasitiri maratidziro uye zviyero kwakakosha pakuona kwemhando uye kuita. Imwe chiyero chakadaro ndeyeASTM A139, iyo inotsanangura zvinodikanwa zvemagetsi fusion (arc) welded simbi pombi ye-high-pressure service. Iyi blog inotora kunyura kwakadzama mukati makiyi akataurwa eASTM A139 uye oongorora mashandisiro ayo, kunyanya mumamiriro eS235 J0 spiral simbi pombi inogadzirwa nemugadziri anotungamira muCangzhou, Hebei Province.
Mamiriro makuru eASTM A139
ASTM A139inovhara akati wandei akakosha ekugadzira simbi pombi, kusanganisira kuumbwa kwezvinhu, michina zvivakwa, uye nzira dzekuyedza. Iyo standard inotarisa pane zvinotevera zvinongedzo:
1. Material Composition: ASTM A139 inotsanangura kemikari yesimbi inoshandiswa kugadzira mapaipi. Izvi zvinosanganisira miganho inotenderwa yezvinhu zvakaita sekabhoni, manganese, phosphorus, uye sarufa kuti ive nechokwadi chekuti mapaipi ane simba rinodiwa uye kusimba.
2. Mechanical Properties: Iyi mwero inodonongodza zvinodiwa zvemuchina, kusanganisira simba regoho, kusimba kwesimba, uye kurebesa. Izvi zvimiro zvakakosha kuti ive nechokwadi chekuti pombi inokwanisa kumirisana ne-high-pressure application pasina kukundikana.
3. Welding zvinodiwa: Sezvo ASTM A139 inobata mapaipi emagetsi, inosanganisira zvakatemwa zvewelding process, kusanganisira mhando yeweld, weld quality, uye nzira dzekuongorora kuona kuti welds inosangana nezvinodiwa.
4. Nzira dzekuyedza: Iyo chiyero zvakare inodonongodza nzira dzekuyedza dzinofanirwa kushandiswa kuratidza kunaka uye kushanda kwepombi. Izvi zvinosanganisira nzira dzisiri dzekuparadza dzekuyedza kuona chero hurema mune welds kana pombi zvinhu.
Kushandiswa kweASTM A139 Steel Pipe
Mashandisirwo eASTM A139 simbi mapaipi akafara uye akasiyana, kunyanya mumaindasitiri anoda yakakwirira-kumanikidza pombi masisitimu. Aya mapaipi anonyanya kushandiswa ku:
Indasitiri yeOiri neGasi: Mapombi eASTM A139 akanakira kutakura mafuta negasi nekugona kwavo kumirisana nekumanikidza kwakanyanya uye nehutsinye hwemamiriro ekunze.
- Water Supply Systems: Kusimba uye kusimba kwepombi idzi dzinoita kuti dzive dzakakodzera kushandiswa mukugovera mvura nekugovera masisitimu, kuve nechokwadi chekuyerera kwemvura yakavimbika.
-Kemikari Kugadziriswa: Muzvidyarwa zvemakemikari, mapaipi ari pasi pezvinhu zvinoparadza uye ASTM A139 pombi inopa inodiwa kuramba uye kuvimbika.
Zvakanakira zveS235 J0spiral simbi pombi
Chimwe chezvakanakisa zvigadzirwa zvakagadzirwa nekambani yedu muCangzhou iS235 J0 spiral simbi pombi. Ichi chigadzirwa chinonyanya kucherechedzwa nekuda kwekuchinjika kwayo mudhayamita uye kukora kwemadziro kutsanangurwa. Iko kuchinjika kwekugadzira kunoita kuti igadzire mapombi akakwira-giredhi gobvu-akatarisana nezvinodiwa zvakasiyana zvemaindasitiri akasiyana.
Yakavambwa muna 1993, mushure memakore ekukurumidza kusimudzira, kambani zvino inobata nzvimbo inosvika 350,000 square metres, ine midziyo yakazara RMB 680 miriyoni, uye ine 680 vashandi vakazvipira, vakazvipira kugadzira emhando yepamusoro mapaipi esimbi anoenderana nezviyero zvepasi rose seASTM A139.
mukupedzisa
Kunzwisisa ASTM A139 uye mataurirwo ayo kwakakosha kune chero munhu anobatanidzwa mukugadzira simbi pombi. Iyi chiyero haingovimbisi kunaka uye kushanda kwepombi, asi zvakare inovhura huwandu hwakasiyana hwemashandisirwo mumaindasitiri akasiyana siyana. Nezvigadzirwa zvakaita seS235 J0 spiral simbi pombi, kambani yedu inoramba ichitungamira mukupa vatengi mhinduro dzinochinjika, dzemhando yepamusoro. Kunyangwe iwe uri muindasitiri yemafuta uye gasi, kupihwa kwemvura kana kugadzirwa kwemakemikari, mapaipi edu esimbi anozadzisa zvaunoda uye kupfuura zvaunotarisira.
Nguva yekutumira: Jan-15-2025