Ukwakhiwa kwamapayipi

Ukufakwa kwamapayipha kwamapayipi, ukufakwa kwezinsimbi zeSocket, ukufakwa okunotshani, i-Sklbow, Coupling, Union, Weldolet, SOCOLET, I-zhengzhou Huitolet Pipeline Equipment Co, Ltd.

I-B2 eyakhiwe kufanele iyisisekelo segumbi lamahlaya aqinile, futhi ukwakheka kwe-hastelloy kusiza ukuba namandla adingekayo kanye namazinga aphansi okusiza ukubekezelela ingcindezi enkulu iminyaka ezayo.

I-ANSI B16.11 I-Hastelloy B2 plugs inokumelana kahle ne-oxidizing aqualizing a matealie media kufaka phakathi i-chlorine enamanzi nokuxubanisa kufaka i-oxidizing noma i-nitric acid.

Into ethokozisayo eyenza i-steel ¡®Stainless¡ss¡ i-chromium; Kodwa-ke, ukwengeza i-nickel enika insimbi engagqwali ukuba ibe yi-alloy eguquguqukayo.

Izithombe zokuthumela ze-316 i-socket yensimbi engenasici

Ngakho-ke, izinto zokwakha ezinokuqukethwe okuphansi kwekhabhoni ezinjengezinto eziphansi ze-ASTM A105 azinconywa ukuthi zisetshenziswe kulezo zinhlelo zokusebenza ezinesidingo sokuvulelwa njalo emazingeni okushisa angenhla kwaleli nani.

I-Annelung inqubo ethile yokwelashwa okushisa iguqula izakhiwo zensimbi. Ngenkathi kunezinhlobo eziningi ezahlukene zokwelashwa kokushisa, ukuvezwa okuthandwayo kuyathandwa ngoba kukhulisa ukuhlelwa futhi kunciphisa ubunzima.

Ngokuphelele futhi okungasebenzi kahle, insimbi engenacala yinto ¡° eluhlaza ± par ubuhle. Eqinisweni, emkhakheni wezokwakha, izinga layo langempela lokutakula lisondele ku-100%.

I-SS 316h yakhiwa iTee iyipayipi elifushane ngokuxhumeka okuguqukayo kuma-engeli angakwesokudla kuya kupayipi. Isetshenziselwa kakhulu ukuxhuma amapayipi amaningi kwipayipi elilodwa elinezitolo ezimbili. Imvamisa, aqukethe ukungena. I-SS 316 isiphambano isetshenziselwa ukuhlanganisa noma ukusabalalisa ukugeleza ngokuxhuma amapayipi ezindaweni zokujoyina nokugoqa ukugeleza kusuka kupayipi ngalinye.

Ezinye zazo ziyi-flange futhi zakha ama-fittings. Zingamapayipi amancane abubanzi. Le Carbon Steel Material Grade ye-ASTM A105 ilungele kahle izinhlelo zokucindezela ezidinga insizakalo emazingeni okushisa aphezulu.

I-Annelung iyinqubo yokwelashwa ekushiseni eguqula i-misftructure yento yokusebenzisa izakhiwo zayo zemishini noma zikagesi. Imvamisa, ku-Steel, kusetshenziselwa ukunciphisa ubulukhuni, ukukhulisa i-decticity futhi kusize ukuqeda izingcindezi zangaphakathi.

Inqubo yokushisa iyinqubo yokwelashwa ekushiseni okusetshenziselwa ukukhulisa i-actility futhi yehlise ubunzima bezinto ezibonakalayo. Lolu shintsho lobulukhuni kanye ne-fortility luwumphumela wokuncishiswa kwe-dislocation ekwakhekeni kwe-crystal kwezinto ezifakiwe. I-Anneling ivame ukwenziwa ngemuva kokuthola impahla eye yathuthukiswa noma inqubo yokusebenza ebandayo ukuvikela ukwehluleka kwayo kwe-brittle noma ukwenza kube lula ukuphatha kamuva.

Iningi lezinsimbi ezisekelwe kwinsimbi zisabela ngamanzi ukukhiqiza i-iron oxide ebomvu eyaziwa kangcono njengokugqwala. Ama-athomu omoya-mpilo emanzini adonsela insimbi yensimbi eyisisekelo ukwakha isakhiwo sokugqwala esinamandla ngaphandle kwamandla angempela.

Izinsizakalo Zokushisa Zokushisa zensimbi engenasici kanye nensimbi
Isixazululo se-Anneling (okubuye kwabizwa ngokuthi ukwelashwa kwesixazululo) kuyinqubo ejwayelekile yokuvuselela ukushisa kwemindeni eminingi yezensimbi. Ama-steres angenasici, ama-alloys e-aluminium, ama-superlosi asuselwa ku-nickel, ama-alloys e-titanium, kanye namanye ama-alloys asuselwa yi-copper konke kungadinga isixazululo sokuhlelisa.

I-Solution Heat Treatment and Anneling yizindlela ezivamile zokwelashwa kokushisa kwezinsimbi ezingezona ezi-Ferrous. Endabeni yami yokugcina, ngabheka inqubo yokwelashwa kokushisa kwezinsimbi ezinamandla njengensimbi. Namuhla uzofunda ngezinqubo ezilandelayo zokwelashwa kokushisa, kufaka phakathi nokwelashwa kokushisa kwesisombululo kanye nokungena. Uzofunda futhi ngokuqina kwethala, i-nitriding, ebandayo, ukusebenza kwabandayo, ukuhumusha.

Ukwelashwa Isixazululo kuyindlela evame ukwelashwa ukushisa okuvame kakhulu ngemuva kwenqubo yokuphonsa insimbi engagqwali. Isigaba se-carbide ngokuphelele noma sincibilike ngokuphelele ngemuva kokuthi insimbi engakhi ye-auntenitic ifudunyezwa cishe ngo-1100 ¡Ãc.

Ukwenza isakhiwo nokwakhiwa kwemigqa ye-stainless yensimbi ye-castings, okubaluleke kakhulu ezintweni zokusetshenziswa, ngoba izinga lokushisa nokupholisa akufani, okuphumela ekuhambeni okungahambisani. Ngamazinga okushisa aphezulu, umsebenzi we-athomu uqinisa futhi isigaba se- #ò siyancibilika, futhi nokwakheka kwalo kwamakhemikhali kuvame ukuba umfaniswano. Isakhiwo sesigaba esisodwa esifanayo siyatholakala ngemuva kokuphola ngokushesha.

Ukubuyisa ukumelana nokugqwayiza okungokwemvelo kokusakazwa kwensimbi engenasici. Ukumelana nokugqwala kwensimbi engenasici kuncipha ngemuva kokuphonswa kwezimali. Ukumelana nokugqwala kokuncishiswa kwensimbi engenasici kutholakale ku-statemus enhle ngemuva kokwelashwa kwesisombululo.

I-Solution Aveling Treatment iyadingeka ukuthintana kwangaphambilini okulondoloziwe \ ukuqina kwezulu Isigaba esisodwa i-MicroSCRUCURE EDEDELWE NGESIKHATHI SOKUXHUMANISA ISIVIVINYO siyadingeka ngaphambi kokuqina kweminyaka yobudala, okuthi kuphela okusunguliwe okwenziwe ngesikhathi sokuqina kweminyaka. Ukwakheka, usayizi, kanye nenani lalezo zinqunu ezakhiwe ngesikhathi sokuguga kuzonquma ubulukhuni bomkhiqizo wokugcina, amandla, kanye nezakhiwo zemishini ngemuva kokuguga. Kubalulekile ukuthi isakhiwo sibe nesixazululo esifanelekile ngaphambi kokuguga ukuze sihlangabezane nazo zonke lezi zidingo.

Insimbi engenasici 316 iyi-molybdenum auntenitic alloy emelana kakhulu nezindawo eziphikisayo ne-chloride. Imvamisa, leli banga lensimbi engenasici lisetshenziselwa ama-malifolds okukhipha ngaphandle, ama-exchanger wokushisa, izinjini ze-jet kanye nezinye izinhlelo eziningi.

I-Incons 718 iyi-alloy esuselwa ku-nickel esuselwa ku-nickel eyenzelwe amandla aphezulu okuvuthwa, amandla ashukumisayo kanye nezindawo zokuqhekeka ezivuka emazingeni okushisa aze afike ku-1300ºF (705ºC). Le alloy inokuzenzisa okuhle kakhulu.

I-NAS625 (NCF625, UNS N06625) iyi-nickel-chromium-molybdenum alloy nge-niobium eyengeziwe. I-matrix ilukhuni enikezwe yi-molybdenum kanye ne-niobium imiphumela emandleni aphezulu. I-alloy imelana nezindawo eziningi ezinzima zokugqwala. Iphinde inikeze ukumelana namazinga okushisa aphezulu. Iphinde ikhombise ukuvikeleka okumangazayo ekugqwaneni nase-oxidation. Amandla awo okubekezelela ukucindezela okuphezulu kanye namazinga okushisa ahlukahlukene, ngaphakathi nangaphandle kwamanzi, kanye nokukwazi ukumelana nokuwohloka kwezindawo zenza kube yindlela efanelekile yezicelo zenuzi nezasolwandle.

Ibanga F22 iyinsimbi ephansi ye-alloy equkethe i-chromium engu-2.25%. I-alloy isetshenziswa kabanzi kuzicelo ze-wailt tatch Wellhead for izixhumi, ama-hanger kanye nama-valve ama-block. Amazinga hardness aze afike ku-22 HRC amukelwe kuNace Mr0175. Ibanga livame ukusetshenziswa njengensimbi eyisisekelo yezakhi ze-clad.
Uma kuhlinzekwa i-ASTM A182 esimweni esijwayelekile nesithukuthele, ubuncane bokucindezela okungu-0.2% buyi-22 ye-ASTM A182 alloy insimbi eno-2.25% Chromium. Imvamisa isetshenziswa njengezinsimbi ezisezingeni eliphansi lezento, i-F22 isetshenziswa futhi kuzicelo ze-oyela patch Wellhead yemikhiqizo efana nama-hanger, izixhumi nama-valve, phakathi kwabanye.

Insimbi engenasici i-alloy yensimbi engamelana nokugqwala nokugqwala. Inama-chromium okungenani ayi-11% futhi ingaqukatha izinto ezifana nekhabhoni, ezinye izinsimbi nezinsimbi ukuthola ezinye izakhiwo ezifiselekayo. Ukuphikiswa kwensimbi engagqwali emiphumeleni yokugqwala kusuka ku-chromium, okwakha ifilimu nje engavikela lokho nokuzipholisa ekubeni khona komoya-mpilo
I-nickel ibaluleke kangangokuba amamaki aqukethe ama-nickel akha ama-75% wokukhiqizwa kwensimbi engagqwali. Ukwaziwa kakhulu kwalokhu kunguhlobo lwe-304, olune-8% nickel kanye nohlobo lwe-316, olune-11%.
Insimbi engenasici futhi ayithathi hlangothi imvelo futhi i-inert, futhi isikhathi eside siqinisekisa ukuthi ihlangabezana nezidingo zokwakhiwa okuzinzile. Ngaphezu kwalokho, akusho ukuthi amakhompiyutha entela angaguqula ukwakheka kwawo lapho exhumana nezinto ezinjengamanzi.
Insimbi engenasici kumele ibe okungenani i-10,5% chromium. Kuya ngebanga, kungaqukatha amazinga aphezulu aphezulu we-chromium, kanye nezithako ezengeziwe zokuqalisa njenge-molybdenum, nickel, titanium, i-aluminium, ithusi, i-nitrogen, phosphous noma i-pelenium.
Ngokungeziwe kulezi zinzuzo zemvelo, insimbi engenasici ibuye ibe yinhlobo ebukeka kahle, inhlanzeko ngokweqile, okulula ukuyigcina, ihlala isikhathi eside, inikeza kakhulu izici ezahlukahlukene. Ngenxa yalokhu, insimbi engagqwali ingatholakala ezintweni eziningi zansuku zonke. Idlala indima evelele embonini yezimboni eziningi, kufaka phakathi amandla, ezokuhamba, ukwakha, ucwaningo, umuthi, ukudla nezinto zokudla.

Sine-yokusungula ebanzi ye-nickel alloy akhishelwa ukufakwa kwakhiwa, amasokhethi we-weld kanye nama-threaded ukufakwa kuzo zonke izinhlobo, osayizi, amashejuli kanye nezingcindezi. I-HT Peepe ibheka ukukhiqizwa kwe-nickel alloy ukufakwa okufunwayo okufunwa kakhulu kwizicelo eziningi ekusebenzeni kweminyaka yobuvila, ukucubungula amakhemikhali, nasezimakethe zika-oyela kanye negesi.

Lokhu kuyatholakala ngezinhlobo ezahlukahlukene namamaki anjenge-monel 400 ebonwe ngocingo olunezinwele, i-ancolloy 800 efakwe ngokulinganayo, ama-annolloy ama-600 ahlanganisiwe, ama-hastelloy C276 ahlanganisiwe, ama-hasteloy C276 anciphisiwe ukufakwa, njll.

Ama-SS 316 ukufakwa kwamapayipi kwepayipi asetshenziselwa ukugoba ukuhamba nokuxhuma amapayipi amabili komunye nomunye ngama-engeli ahlukene. Kufanele zenzelwe ngendlela yokuthi abadali i-cavitation nokulahleka kwengcindezi ngokweqile.

Ukwenza kungenye yezindlela ezindala ezisetshenziselwa ukwakha izingxenye zensimbi, kuthuthukisa izakhiwo zazo zemishini njengokukhathala, ukumelana nomthelela kanye nokugqwala.

I-ASTM A105 I-Carbon Carbon ingakhiwa emazingeni okushisa alona angu-2200 kuya ku-1700 F alandelwa ngokucimana nokuguga noma okujwayelekile.

I-SS 304 eyakhiwe tee inikeza izakhiwo ezingcono zokuxhuma amapayipi ezimoyeni. I-tee iqukethe i-inlet kanye nezitolo ezimbili ezibekwe kuma-engeli angakwesokudla komunye nomunye. I-SS 304 eyakhiwe isiphambano isetshenziswa lapho amapayipi amane ahlangana khona. Bahlukanisa inqubo noma bahlanganise inqubo.