Mumapurojekiti ehwaro hwemapombi esimbi, mhando yemapombi esimbi ndiyo inosarudza zvakananga kugadzikana uye kugara kwenguva refu kwehwaro hwechivako. Kusarudza hwaro hwakavimbikaFekitori yeASTM A252ndiyo danho rekutanga rakakosha rekuona kuti chirongwa ichi chakachengeteka. Chinyorwa chino chichakubatsira kunzwisisa pfungwa huru dzeASTM A252 standard uye maitiro ekuongorora vatengesi vemhando yepamusoro.
Dudziro yeASTM A252 Standard
ASTM A252 imhando yakajairwa ye "mapaipi esimbi akasungirirwa uye asina musono" akagadzirwa neAmerican Society for Testing and Materials. Iyi chiyero inoshanda kune denderedzwamirwi yemapaipi esimbiine ukobvu hwemadziro hwezita, uye mashandisirwo ayo akakamurwa kuita mapoka maviri:
Zvikamu zvebheyaringi zvinogara zviripo: Mapaipi esimbi anoshanda sechimiro chinogara chiripo, achitakura zvakananga mitoro yechivako.
Goko rekudira kongiri: Pombi yesimbi inoshanda segoko, uye kongiri inodururwa mukati kuti iite murwi wakaumbwa panzvimbo.
Mutemo uyu unosanganisira magiredhi matatu esimba: Giredhi 1, Giredhi 2, uye Giredhi 3. Pakati pawo, A252 GREDI 1 Steel Pipe ine kugona kusveta zvakanaka uye inochengetedza mari, uye yakakodzera mapurojekiti ehwaro hwemapombi akareruka kusvika pakati nepakati.
Zvinhu zvakakosha zvekufunga nezvazvo pahukuru hwemapaipi esimbi
Kusarudzwa kweSaizi dzemapaipi eASTM A252zvinokanganisa zvakananga kushanda zvakanaka kwekuvaka uye kugona kwekutakura mutoro. Zvinhu zvikuru zvinosanganisira:
Dhayamita: Zvichienderana nemamiriro enzvimbo uye zvinodiwa nemutoro, inogona kugadziriswa kubva padhayamita diki kusvika padhayamita hombe kwazvo.
Kukura kwemadziro: Ukobvu hwemadziro hunoratidza simba rekudzvanya uye rekuchinjika.
Kureba kwepombi imwe chete: Kunoderedza majoini ekunamira panzvimbo uye kunowedzera kushanda zvakanaka kwekuvaka
Mapaipi emurwi akasungirirwa anopihwa neCangzhou Spiral Steel Pipe Group Co., Ltd. ane dhayamita inotangira pa219mm kusvika 3500mm, uye murwi wega wega unogona kusvika mamita makumi matatu nemashanu pakureba, zvichizadzisa zvinodiwa zvemurwi muinjiniya yekuvaka nheyo dzakadzika.
Maitiro ekuongorora fekitori yeASTM A252 yemhando yepamusoro
Pakusarudza fekitori yeASTM A252, zvinhu zvinotevera zvinokurudzirwa kufungwa nezvazvo:
Zvikwaniriso zvekugadzira uye kugona kwekugadzira
Cangzhou Spiral Steel Pipe Group yakavambwa muna 1993 uye ikambani inotungamira mukugadzira mapaipi esimbi anotenderera uye mapaipi ekuputira muChina. Fekitori iyi iri muCangzhou City, Hebei Province, ine nzvimbo inosvika 350,000 square metres, ine huwandu hwemamiriyoni mazana matanhatu nemakumi masere eyuan. Inogadzira matani mazana mana ezviuru emapaipi esimbi anotenderera gore rega rega uye ine huwandu hwegore hwe1.8 bhiriyoni yeyuan. Kugona kwayo kugadzira kwakagadzikana kunoita kuti maodha makuru asvike panguva yakakodzera.
2. Sisitimu Yekudzora Hunhu
Tevedzerai zvizere mwero weASTM A252. Shandisai kutonga kwakazara mukuita kwese kubva pakutenga simbi kusvika pakuongororwa kweweld kuti muve nechokwadi chekuti zvinhu zvepaipi zvine hunhu hwemakanika uye kururama kwezvikamu.
3. Kugona kudzivirira ngura
Mapurojekiti ehwaro hwemapombi anowanzo sangana nemamiriro ekunze ane hunyoro kana ngura. Basa rekuputira rinoitwa nefekitori rezvinhu zvepombi rinogona kupa mhinduro dzinodzivirira ngura dzakadai se epoxy ne PE, nokudaro zvichiwedzera hupenyu hwebasa.
4. Zvakanakira zvekutakura zvinhu
Cangzhou iri padyo neTianjin Port. Ichishandisa chiteshi chikuru kuchamhembe, inogona kuita kuti kutakurwa kwegungwa pamwe chete kubudirire, nokudaro ichideredza mari yekutakura kune dzimwe nyika.
Mhedziso
Pakusarudza fekitori yeASTM A252 yakavimbika, zvakakosha kuongorora zvizere mwero wayo wekugadzira, kufukidzwa kwezvinodiwa, kugona kwayo kugadzira uye kugona kwayo kutakura zvinhu. Neruzivo rwemakore anoda kusvika makumi matatu mukugadzira uye mukana wekushanda nemaindasitiri, Cangzhou Spiral Steel Pipe Group yakazvipira kupa mhinduro dzemhando yepamusoro dzemapombi esimbi emapurojekiti epasi rose epasi pemapombi.
Ndapota inzwa wakasununguka kutibata nesu kuti uwane mazano ekusarudza uye makotesheni akagadzirirwa saizi dzemapaipi eASTM A252.
Nguva yekutumira: Kurume-18-2026