Ishubhu lensimbi le-ASTM A178 elingena-mthungo liwuhlobo lwesimbi sekhabhoni esisezingeni eliphezulu eliklanyelwe ngqo ukusetshenziswa kuma-boiler, ama-superheater, ama-heat exchanger, nama-condenser asebenza emazingeni aphezulu okushisa nokucindezela. Likhiqizwa ngokuvumelana nezidingo eziqinile zesehlakalo se-ASTM A178 (elibuye libizwe nge-ASME SA178), lawa mashubhu aletha amandla emishini amangalisayo, ukumelana nokugqwala, nokunemba kobukhulu. Ukwakheka okungenamthungo kuqeda izindawo ezibuthakathaka ezihambisana nemithungo yokushisela, kuqinisekisa ubukhulu bodonga obufanayo namandla aphezulu okubamba ukucindezela. Lokhu kwenza ishubhu lensimbi le-ASTM A178 elingena-mthungo libe ukukhetha okungenakugwenywa ezikhungweni zokukhiqiza ugesi, izimboni zamakhemikhali, nemisebenzi yokuhluza uphethiloli lapho ukuphepha nokuthembeka kungukuthi akukwazi ukuxoxisana. E-Wuxi Hengzhihui Metal Materials Co., Ltd., sikhiqiza lawa mashubhu sisebenzisa izinto zokusetshenziswa ezisezingeni eliphezulu nezinqubo zokukhiqiza zobuchwepheshe obuphezulu, siqinisekisa ikhwalithi engaguquki kuyo yonke ubude esilulethayo.

Izinga le-ASTM A178 lihlanganisa amazinga amathathu ahlukene—Izinga A (ikhabhoni ephansi), Izinga C (ikhabhoni ephakathi), kanye nezinga D (ikhabhoni-manganese)—ngalinye lenzelwe izimo ezithile zokusebenza. Izinga A linikeza ukunwebeka okuhle kanye nokushisela okuhle, okwenza lifanelekele izinhlelo zokusebenza ezisezingeni lokushisa eliphakathi njengama-economizer nama-heat exchanger anengcindezi ephansi. Izinga C linikeza amandla okudonsa aphezulu kanye nokumelana nokukhasa okungcono, okulenza lifanelekele amashubhu e-superheater namabhange kazibhilidi anengcindezi ephezulu. Izinga D, ngamakhemikhali ayo e-carbon-manganese, linikeza amandla aphezulu kakhulu phakathi kwala mathathu futhi livame ukucaciselwa izingxenye ezibalulekile zeziteshi zamandla. Ishubhu ngalinye le-boiler elingenamthungo lihlolwa ngokuqinile ngokuhlola i-eddy current kanye nokuhlola i-hydrostatic ukuze kuqinisekiswe ubuqotho balo, kuqinisekiswa ukuthi alikho iphutha ngaphambi kokuthunyelwa. Imikhawulo yokwakheka kwamakhemikhali yezinga ngalinye ilawulwa ngokuqinile ukuze kugcinwe izakhiwo zemishini ezihambisanayo, njengoba kufingqiwe etafuleni elingezansi.

Ngaphezu kwechemistry, izakhiwo zomshini zamashubhu e-ASTM A178 ezingenamthungo ziqinisekisa ukuthi zingamelana nezimo ezinzima zezimboni zanamuhla zamandla nezinqubo. I-Grade A ikhombisa amandla okudonsa okungenani angu-47,200 psi namandla okuvumela angu-26,100 psi, nokunwebeka okungenani angu-35% kumamayela angu-2. I-Grade C iletha amandla okudonsa angu-60,200 psi namandla okuvumela angu-37,700 psi, kuyilapho i-Grade D ifinyelela amandla okudonsa angu-70,300 psi namandla okuvumela angu-40,600 psi. Lezi zakhiwo eziqinile, kuhlanganiswe nokufana okungokwemvelo kweshubhu elingenamthungo, zivumela onjiniyela ukuthi baklame izinhlelo ezinodonga oluncane ngaphandle kokudela imingcele yokuphepha. Noma ngabe udinga ishubhu lekhabhoni ephansi lomsebenzi olula wokushintshana ukushisa noma ishubhu lekhabhoni ephakathi lomsebenzi wokushisa okuphezulu kwe-superheater, umndeni we-ASTM A178 unikeza isixazululo esifakazelwe.

I-ASTM A178 seamless steel tube ihluke kumashubhu a-welded ngenxa yesakhiwo sayo esifanayo, esisusa ubungozi bokwehluleka komthungo omude. Ishubhu ngalinye lidonswa ngokubanda noma liqedwe ngokushisa ukuze lilingane nobubanzi obungaphandle obunembile (kusukela ku-½ intshi kuya kwezintshi ezi-5) kanye nemininingwane yobukhulu bodonga, okuqinisekisa ukuhambisana nama-header ajwayelekile, izigubhu, namashidi amashubhu. Ukwakheka okungenamthungo kuphinde kuthuthukise ikhono leshubhu lokumelana nokushintshashintsha kokushisa, okuyinselele evamile emsebenzini wama-boiler nama-heat exchanger lapho izinguquko ezisheshayo zokushisa zingadala ingcindezi. Leli shubhu le-heat exchanger ligcina ukuzinza kwalo kobukhulu ngisho nangemva kokuphinda ligobe futhi lifakwe ama-flange, okwenza kube lula ukwakha kubenzi bemishini yokuqala kanye nabasebenzi bokulungisa. Ngaphezu kwalokho, insimbi ye-carbon steel eyisisekelo inikeza ukusebenza kahle kokushisa, ikhulisa ukusebenza kahle kokudlulisa ukushisa kuma-economizer, ama-condenser, nama-process cooler. Ngokukhetha ishubhu le-carbon steel elingenamthungo elikhiqizwe ngaphansi kwezilawuli eziqinile zekhwalithi, abaqhubi bezimboni banciphisa imvamisa yokushintshwa kwamashubhu kanye nesikhathi sokuma okungahleliwe.

Enye inzuzo enkulu ye-ASTM A178 seamless steel tube ukuhambisana kwayo nezinhlobonhlobo zemidiya ezisebenzayo, okuhlanganisa isitimu, amanzi, uwoyela, negesi. Ingaphakathi le-tube elihlanzekile linciphisa ukunqwabelana kwe-scale kanye nokungcola, kugcina ukusebenza kwe-thermal phakathi nezikhathi ezinde zokusebenza. Ngaphezu kwalokho, izinga lidinga ukuthi i-tube ngayinye ihlolwe nge-eddy current futhi ihlolwe nge-hydrostatic, okunikeza isiqinisekiso esiphindwe kabili sokuthi wonke amafidi e-tube alethwayo ahlangabezana namazinga aphezulu kakhulu obuqotho. E-Wuxi Hengzhihui, sihambisana nalezi zivivinyo eziyimpoqo nezinhlelo zethu zangaphakathi zokuhlola, okuhlanganisa ukuqinisekiswa kobukhulu nokuhlolwa okubonakalayo. Ukuzibophezela kwethu kwekhwalithi kubonakala kuma-Mill Test Certificates esiwahlinzeka ngayo ngayo yonke i-oda, ekunikeza ukulandeleka okugcwele kusukela ekuncibilikeni kuya kumkhiqizo ophelile. Ukuze uthole ulwazi oluningi mayelana namakhono ethu okukhiqiza nobubanzi bemikhiqizo, sicela uvakashele iwebhusayithi yethu.Imikhiqizo ikhasi.

Ukusetshenziswa okuyinhloko kwe-ASTM A178 seamless steel tube kumabhoyela amanzi namabhoyela omilio, lapho isebenza khona njengomzila wokukhiqiza umusi ngomfutho ophakeme. Lawa mashubhu nawo asetshenziswa kabanzi kuma-superheater ukuze akhuphule izinga lokushisa lomusi ogcwele, kuthuthukise ukusebenza kahle kwe-Rankine cycle power plants. Kuma-heat exchangers, ishubhu lakha indawo eyinhloko yokudlulisa ukushisa phakathi koketshezi olushisayo lwenqubo nezinto zokupholisa, futhi ukwakheka kwe-seamless carbon steel kumelana nengcindezi yangaphakathi nokugqwala kwangaphandle. Ama-condenser kuma-steam turbine cycles ancike kuma-ASTM A178 tubes ukuze aguqule umusi ophumayo ube amanzi okondla, okuyisinyathelo esibalulekile ekuphathweni kwamanzi okuvaliwe. Ngaphandle kokukhiqiza amandla, imboni yamakhemikhali isebenzisa lawa mashubhu kuma-reformer furnaces, ama-waste heat recovery units, nama-process heaters, lapho ukuthembeka ngaphansi kokusebenza okuqhubekayo kokushisa okuphezulu kubaluleke kakhulu. Izindawo zokuhluza uphethiloli nazo zicacisa i-ASTM A178 seamless steel tube yokusebenza kwe-hydrogen kanye nama-hydrocracker feed effluent exchangers, ngenxa yokumelana kwayo okufakazelwe nokuhlaselwa kwe-hydrogen uma ikhethwa kahle.

Ezinye izinhlelo ezibalulekile zihlanganisa ama-air preheaters, amanethiwekhi okushisisa ezindawo, namakhoyili ezimboni lapho ishubhu kumele limelane nomoya omisa kanye nemithwalo eshintshanayo yokushisa. Ukusebenza ngobunhlobonhlobo kwaleli shubhu le-boiler elingena-mthungo kufinyelela nakubakhi bemishini yokuqala abakha ama-boiler apakishiwe, ama-heat exchanger amodula, nezingxenye zokusebenza ezihambisa ngama-skid. Ngenxa yokuthi i-astm A178 standard yaziwa emhlabeni wonke, onjiniyela bangakwazi ukucacisa lawa mashubhu ngokuqiniseka kumaphrojekthi eNyakatho Melika, eMpumalanga Ephakathi, eNingizimu-mpumalanga ye-Asia, naseYurophu. E-Wuxi Hengzhihui Metal Materials Co., Ltd., sihlinzeka ngamashubhu e-ASTM A178 kumakhasimende kuzo zonke lezi zifunda, silungisa izindlela zethu zokuthutha ukuze sihambisane nezinhlelo zamaphrojekthi nezidingo zendawo zokulawula. Noma ngabe isicelo sakho siyisikhungo samandla esisha noma ukulungiswa kwesikhungo sokucwenga, ithimba lethu lingakwazi ukuphakamisa izinga nosayizi ofanele izimo zakho zokusebenza. Funda kabanzi ngefilosofi yethu yenkampani nobungcweti bethu kwiwebhusayithi yethu.Mayelana Nathi ikhasi.

I-Wuxi Hengzhihui Metal Materials Co., Ltd. yakhe idumela eliqinile embonini yamashubhu ensimbi ngokuhlanganisa ubuchwepheshe obuthuthukile bokukhiqiza nezinhlelo eziqinile zokuphatha ikhwalithi. Sinikezwe izitifiketi ezihlanganisa i-ISO 9001, i-API, ne-PED, ezilawula konke kusukela ekutholeni izinto zokusetshenziswa kuya ekuhlolweni kokugcina nasekubhalweni kwemibhalo. Wonke amashubhu ensimbi e-ASTM A178 angenamthungo esiwakhiqizayo ayalandeleka emuva emthonjeni wawo wokuqala wokushisa, futhi sigcina amarekhodi aphelele emiphumela yokuhlolwa kwemishini, ukuhlaziywa kwamakhemikhali, kanye nemibiko yokuhlolwa okungonakalisayo. Ithimba lethu langaphakathi lokulawula ikhwalithi lenza ukuhlolwa okwengeziwe ngaphezu kwezidingo ezijwayelekile, okuhlanganisa ukukalwa kobukhulu bodonga nge-ultrasonic kanye nokutholwa kokukhubazeka ebusweni. Lokhu kuzinikela ekhwalithini kusenze saba ngumthengisi okhethwayo wamaphrojekthi amakhulu okukhiqiza ugesi nezimboni zamakhemikhali ezidinga izinto ezingenaphutha. Ukuze uthole umbono ogcwele weziqu zethu, sicela uvakashele i-Isitifiketi ikhasi.

Ngaphezu kwekhwalithi, izinzuzo zethu zokuncintisana zihlanganisa izinketho eziguquguqukayo zosayizi, ukulethwa ngesikhathi, kanye nesevisi yamakhasimende ephendulayo. Sinikeza ububanzi obungaphandle kusukela ku-½ intshi kuya kumainti amahlanu, ubukhulu bodonga obuhlelwe ngokwezidingo zakho zokucindezela, kanye nobude obujwayelekile bamafidi angu-20 noma angu-40, kanye nobude obungokwezifiso ukuze kuncishiswe udoti nokusebenza kokufaka. Ukupakishwa kwethu kuqinisekisa ukuthi amashubhu afika esesimweni esihle kakhulu: ibhondi ngalinye lifakwe izivalo ezivikelayo, lisongwe ngento engangeni manzi, futhi liqiniswe ngensimbi ukuze liphephe ngesikhathi sokuthutha. Futhi sinikeza ukuthutha okusheshayo ngezidingo eziphuthumayo zephrojekthi, sisebenzisa inethiwekhi yethu esunguliwe yokuthutha ukuze sihlangabezane nemikhawulo yezikhathi. Ngasohlangothini lwezohwebo, amanani ethu ahlala encintisana ngoba silungisa uchungechunge lwethu lokuhlinzeka futhi sigcina ukukhiqiza okuphumelelayo. Kuhlangene nokusekelwa kwezobuchwepheshe onjiniyela bethu abakunikeza ngesikhathi sokukhetha, i-Wuxi Hengzhihui iletha inani elidlula kakhulu umkhiqizo ngokwawo. Ukuze uxoxe ngezidingo zakho ezithile, sicelaxhumana nathi ngekhasi lethu lasekhaya noma thumela isicelo sokucaphuna amanani.

Ngaphezu kweshubhu lensimbi engenamthungo ye-ASTM A178, i-Wuxi Hengzhihui inikeza uhlu olubanzi lwamashubhu ensimbi yekhabhoni asetshenziselwa ukusebenza emazingeni okushisa aphezulu. I-ASTM A179 seamless tube yakhelwe ama-heat exchanger nama-condenser asebenza emazingeni okushisa aphansi, inikeza ukunwebeka okuhle kanye nokulinganisa okunembile kobukhulu. I-ASTM A192 seamless tube inikeza inketho enamandla amakhulu kuma-boiler asebenza ngomfutho ophezulu, ikakhulukazi lapho kudingeka khona izindonga eziwugqinsi. Kumasevisi e-superheater ne-reheater anokumelana nokukhula okuphezulu, i-ASTM A210 seamless tube (Amabanga A-1 no-C) iyisinqumo esithandwayo phakathi konjiniyela bezikhungo zamandla. Ngokugcina zonke lezi zincazelo endaweni eyodwa, sisiza amakhasimende ethu ukuthi ahlanganise ukuthenga kwawo futhi anciphise izikhathi zokulinda. Ungabuka uhlu olugcwele ku-Imikhiqizo ikhasi, lapho umkhiqizo ngamunye ubhalwe khona ngezinga lawo, ibanga, kanye nokusetshenziswa okujwayelekile.

Uku-oda i-ASTM A178 seamless steel tube efanele e-Wuxi Hengzhihui kuyinqubo eqondile. Sincoma ukuthi ucacise igreyidi (A, C, noma D), ububanzi bangaphandle, ubukhulu bodonga, nobude obudingekayo lapho ubuza okokuqala. Onjiniyela bethu bezokuthengisa bazoqinisekisa ukukhethwa kwezinto ezisetshenziswayo ngokuya ngezinga lokushisa nokucindezela kwakho ukuze kuqinisekiswe ukuthobela amakhodi. Uma i-oda selibekiwe, sihlela ukukhiqiza futhi sinikeze usuku lokulethwa oluqinisekisiwe, kanye nezibuyekezo eziqhubekayo zesimo. Wonke umthwalo ufaka phakathi imibiko yokuhlola yezimboni eqinisekisiwe, izinhlu zokupakisha, nama-invoyisi okuhweba njengoba kudingeka. Kumakhasimende anezidingo eziqhubekayo zamashubhu, sinikeza izivumelwano zama-oda ezibanzi ezivala amanani entengo futhi ziqinisekisa ukutholakala kokukhishwa okuhleliwe. Noma ngabe udinga inani elincane lokulungisa noma ivolumu enkulu yephrojekthi entsha, ithimba lethu likulungele ukukusekela ngezeluleko zobuchwepheshe nemigomo yokuncintisana. Hlala unolwazi ngemikhuba yemboni nentuthuko emisha yemikhiqizo ngokuvakashela iwebhusayithi yethu.Izindaba ikhasi njalo.

Wuxi Hengzhihui Metal Materials Co., Ltd. ungumlingani wakho othembekile wamashubhu ensimbi angenamthungo e-ASTM A178 asezingeni eliphezulu kanye nemikhiqizo ehlobene yamashubhu ensimbi yekhabhoni. Siyakumema ukuthi uxhumane nathi ngefomu lethu lokuxhumana eliku-inthanethi, i-imeyili, noma ucingo ukuze sixoxe ngemininingwane yephrojekthi yakho futhi sithole isilinganiso esisheshayo. Ithimba lethu lonjiniyela bezinsimbi kanye nochwepheshe bokuhlinzekwa kwempahla lizinikele ekukusizeni ukukhetha impahla yamashubhu efanele kakhulu ye-boiler yakho, i-heat exchanger, noma i-pressure vessel. Siyamukela futhi imibuzo ngosayizi okhethekile, ukupakishwa okukhethekile, kanye nezidingo zokuhlola zenkampani yangaphandle. Ngomlando oqinile wokulethwa ngesikhathi nokwaneliseka kwamakhasimende, siqinisekile ngekhono lethu lokusekela ibhizinisi lakho. Copyright © Wuxi Hengzhihui Metal Materials Co., Ltd. Wonke amalungelo agodliwe. Sicela ubuyekeze inqubomgomo yethu yobumfihlo ukuze uthole ulwazi mayelana nendlela esiphatha ngayo idatha yakho. Sibheke phambili ekwakheni ubudlelwano obuhlala njalo nawe.