Pipe ea boiler

Pipe ea boilerke peipi ea tšepe e se nang sero e entsoeng ka ho khetheha bakeng sa-mocheso o holimo{1}}litšebeletso tse phahameng- tsa khatello ea maikutlo. Pipe ea boiler e tsejoang hape ka hore ke Chrome{3}}Moly Pipe (Chromium{4}}Molybdenum Alloy Steel Pipe) hangata e sebelisoa.Cr–Mo low{0}}alloy steele etselitsoe-mocheso/holimo{1}litšebeletso tse phahameng- tsa khatello, moo matla a thellang le ho hanyetsa oxidation li laolang ho tšepahala ha bophelo. Ha e le hantle, theko ea "boiler pipe" e tsamaellana le-mohlala (mohlala, P11/P22/P91), hobane moralo oa alloy + ho hloekisa mocheso o lekanyetsa tšebetso ea nako e telele{10}ka tlas'a mosebetsi oa mouoane le mokelikeli o chesang .

Ka ho kenya chromium (Cr) le molybdenum (Mo) ho tšepe, liphaephe tsena li fana ka matla a ikhethang-mocheso o phahameng, ho hanyetsa ho thella, ho hanyetsa oxidation, le ho hanyetsa ho bola. Li sebelisoa haholo lisebelisoa tsa bohlokoa tse sebetsanang le mouoane, maro a chesang le mecha ea litaba e senyang, joalo ka liboiler tsa semela sa motlakase, lihitara tsa petrochemical, li-heaters tsa mocheso le liphaephe tsa khatello.
Ka lilemo tsa boiphihlelo ba phepelo ea merero ea lefats'e, Octal Pipe e etsa le ho fana ka liphaephe tsa boiler ka tumellano e felletseng le litekanyetso tsa ASTM, ASME, DIN, EN. Mephato e akaretsa P1–P92 le P122, e netefatsa litharollo bakeng sa ntho e 'ngoe le e 'ngoe ho tloha ho liboiler tse tloaelehileng ho isa ho tse tsoetseng pele-ka li-supercritical units.

• ASTM A335 / ASME SA335: Ferritic alloy steel lipeipi tse seamless bakeng sa litšebeletso tse phahameng- tsa mocheso
• ASTM A213 / ASME SA213: Lipeipi tsa tšepe tse se nang seamless bakeng sa lisebelisoa tsa boiler le li-superheater
• DIN EN 10216-2: Li-tubes tsa tšepe tse se nang moeli bakeng sa merero ea khatello

Mephato e Tlwaelehileng le Dikopo:

• P1, P2– Limaraka tse tlase- tsa alloy bakeng sa tšebeletso ea mocheso o mahareng
• P11, P12, P22- E sebelisoa haholo lithapong tsa matla le tsa petrochemical-mocheso o phahameng oa mocheso
• P5, P9, P21- Khanyetso e matlafalitsoeng ea kutu bakeng sa tikoloho e hlokang lik'hemik'hale
• P91, P92, P122- Limaraka tse ntlafetseng- tsa tšebetso bakeng sa-li-boilers tsa maemo a holimo tse nang le bophelo bo bolelele le matla a holimo

Litlhaloso tsa Pipe ea Boiler (Boholo, Kemiso, Qetello le Liteko)

Litokomaneng tsa morero,"boiler tube steel grade"hangata e bua kaASTM A213tube limaraka, ha a ntse a"boiler pipe"hangata litšupisoASTM A335liphaephe tsa maemo. A213 e koahela seamless alloy boiler/superheater/heat-lithapo tsa phapanyetsano, 'me A335 e koahela seamless ferritic alloy-peipi ea tšepe bakeng sa-tšebeletso ea mocheso o phahameng-malapa a lintho tse amanang, empa e hlalosoa ka tsela e fapaneng ho li-BOM le liphutheloana tsa tlhahlobo.

Ho qoba pherekano ea maemo nakong ea ho reka le ho lokolloa ha thepa, sebelisa melao ena e sebetsang:

Molao 1 - Hlophisa lebitso la kereiti ho mofuta oa ntho:ngolaT{{0}mephatobakeng sa lintho tsa A213 tube leP-mephatobakeng sa lisebelisoa tsa liphaephe tsa A335. Sena se thibela "lisebelisoa tse nepahetseng, setifikeiti se fosahetseng" ho lahloa nakong ea tlhahlobo ea EPC.

Molao oa 2 - Sebelisa litšupiso tse fapaneng{1}}e le tataiso feela, eseng tse ling:merero e atisang ho bonaP11 ↔ T11leP22 ↔ T22joalo ka lelapa le ts'oanang la ts'ebeletso (pipe vs tube), empa PO e ntse e tlameha ho bitsa mokhoa o nepahetseng le foromo ea sehlahisoa.

Molao oa 3 - Se ke oa kopanya litlhoko tsa seamless tube vs seamless pipe:Lintho tsa li-tube tsa A213 hangata li tlamelloa ho melao ea ho etsa heater/boiler le ho tiisa litlhokahalo tsa ID, athe lisebelisoa tsa liphaephe tsa A335 hangata li shebana le moeli oa khatello le ho latela melao ea liphaephe.

Molao oa 4 - Khetho ea kereiti e batla e le nako e telele-ea matla a mocheso a phahameng-:phahameng-limaraka tse hloahloa joalo kaP91/P92hangata li hlalosoa ha moralo o hloka matla a betere a nako e telele-ka mocheso o phahameng, eseng feela "kotulo e phahameng." Netefatsa boemo bo nepahetseng le boemo ba kalafo ea mocheso bo hlokoang ke khoutu/spec.

Molao oa 5 - Qotsa sephutheloana sa tlhahlobo/mocheso, eseng feela boemo:bakeng sa liphutheloana tsa thepa ea phala ea boiler, hangata bareki ba hloka ho hlaka hoboemo ba phekolo ea mochesoleBoemo ba NDT(ho ea ka morero oa ITP) hobane sena se ama ka kotloloho kamohelo -ka litšebeletso tsa mocheso o phahameng.

Molao 6 - Haeba lenane la lisebelisoa le re "tube," o se ke oa nkela "pipe" (le ka tsela e fapaneng):le haeba litekanyo li shebahala li tšoana, tsela e tloaelehileng / ea setifikeiti e fapane 'me e ka baka ho se lumellane ha ho amoheloa.

Keletso ea ho reka:Ha u romela li-RFQ, kenyelletsa mantsoe a hlahang lethathamong la lisebelisoa (mohlala, "ASTM A213 T22 boiler tube" kapa "ASTM A335 P22 boiler pipe"), ebe u eketsa OD×WT, bolelele, le litokomane tse hlokahalang-ena ke tsela e potlakileng ea ho qoba setifikeiti se sa lumellaneng ha ho lokolloa thepa.

• Matla a Mocheso a Khethehileng{0}Ka lebaka la Cr-Mo alloy reinforcement, Boiler Pipes e khona ho boloka matla a tsitsitseng le ho tiea ka likhato tse 600 ho ea holimo, ho thibela ho senyeha ha mocheso. Sena se netefatsa ts'ebetso ea nako e telele-, e bolokehileng, le e tsitsitseng tlas'a-tšebeletso e phahameng ea mouoane le metsi a chesang.
• Creep Resistance & Bophelo bo Atolositsoeng ba TšebeletsoPlastic deformation (creep) tlas'a-mocheso o phahameng oa nako e telele-maemo a khatello e phahameng ke mokhoa o tloaelehileng oa ho hloleha. Chrome-Lipeipi tsa Moly, tse nang le likarolo tse kaonefalitsoeng tsa Cr{{4}Mo le kalafo ea mocheso, li sebetsa hantle haholo, 'me li thusa lihora tse likete tse mashome tsa ts'ebeletso e tsoelang pele ntle le ho hloka botsitso. Sena se fokotsa litšenyehelo tse sa reroang tsa ho koala le tsa tlhokomelo.
• Chromium (Cr) ea Superior Oxidation & Corrosion Resistancee theha lera le letenya la oxide e sireletsang, e fokotsang oxidation ka mouoane le khase e chesang; Molybdenum (Mo) e matlafatsa khanyetso khahlanong le sebabole- le chlorine{1}e nang le mecha ea litaba. Sena se lumella liphaephe hore li finyelle bophelo bo bolelele ba tšebeletso libakeng tse thata tse kang li-boilers tsa motlakase, li-heaters tsa ho hloekisa, le li-reactor tsa lik'hemik'hale.
• Molemo ka ho Fetisisa Weldability & Fabrication Compatibleka automated welding, -site welding, le mekhoa e mengata ea ho tlatsa, e tiisang hore manonyeletso a tiile a bile a se na bothata{1}} Ka boqhetseke bo botle (ho kobeha, ho itšeha, ho beveling), liphaephe tsena li khona ho ikamahanya le maemo a rarahaneng a sistimi le lisebelisoa tse tloahelehileng{3}}.
• Phapang e Pharalletseng ea Kereiti & Maemo a Machabeng Ho Tsoa ho P1/P2litharollo tsa moruo tsa P91/P92 tse tsoetseng pele tsa nako e telele{2}} likhetho tsa bophelo, limaraka li ka khethoa ho latela mocheso, khatello, le mofuta o mahareng, ho leka-lekanya ts'ebetso le litšenyehelo. E netefalitsoe ka botlalo ho ASTM, ASME, EN, DIN, lihlahisoa tsena li amoheloa habonolo mererong ea lefats'e.
• Optimized Lifecycle CostLeha matsete a pele a le holimo ho feta carbon steel, Chrome-Moly Boiler Pipes e fana ka bophelo bo bolelele ba ts'ebeletso, linako tse fokolang tsa ho lokisoa, le ts'ebetso e ntlafetseng ea lisebelisoa, e leng se fellang ka kakaretso ea litšenyehelo tse tlase haholo tsa botho (TCO). Li loketse liindasteri tsa ho fehla motlakase, ho hloekisoa, le matla moo nako le ts'epahalo li leng bohlokoa haholo.

Ts'ebetso e ntlafetseng ea Chrome-Moly Boiler Pipes e tsoa ho moralo oa alloy.

• Chromium (Cr)e fana ka oxidation le corrosion resistance
• Molybdenum (Mo)e kaonefatsa-matla a thempereichara e phahameng le ho se khone ho thella
• Khabone (C), Manganese (Mn), le Silicon (Si)li laoloa ka thata
• Latisa lintlha(V, Nb, N, joalo-joalo) ho limaraka tse holimo (P91, P92) li matlafatsa ho tiea le matla a nako e telele-

Lintlha tse qaqileng tsa sebopeho sa lik'hemik'hale li fumaneha tafoleng e ka tlase.

Ts'ebetso ea mochini e bohlokoa haholo-mochesong o phahameng le{1}tikolohong ea khatello e phahameng.

• Matla a tšepee etsa bonnete ba hore liphaephe li hana ho robeha tlas'a khatello ea maikutlo ka mocheso o phahameng
• Hlahisa Matlae fana ka meeli e lekaneng ea tšireletso tlas'a khatello e tsitsitseng
• Ts'ebetso e phahameng-limaraka tse kang P91/P92 li fana ka matla le mamello e phahameng haholo ho feta P11/P22 e tloaelehileng, ho eketsa linako tsa tlhahlobo le ho ntlafatsa phumaneho ea sistimi.

Sheba tafole e ka tlase bakeng sa lintlha tse qaqileng tsa thepa ea mochini.

Ho kenngoa ha pipe ea boiler hangata ho kenyeletsoa-taolo ea tahlehelo le tšireletso ea basebetsi, empa e ka boela ea hlahisa kotsi e kholo ea ho tšepahala haeba mongobo o lumelloa ho kena le ho lula o qabeletsoe. Limeleng tse ngata,boiler pipe boxinge bua kaho roala litebele / ho koala phala e nang le insulation hammoho le jekete ea tšepe (ho koaela)ho sireletsa tsamaiso ea insulation nakong ea ts'ebetso le tlhokomelo. Lintlha tsa "etsa-kapa{2}}break" ha se feela botenya ba ho kenya letsoho-ketaolo ea ho kenella ha metsi + drainage/ho kenya moea, hobane mongobo o koaletsoeng o ka khannacorrosion under insulation (CUI)karolong e ka ntle ea peipi, hangata e sa lemohuoe ho fihlela e tima.

Ho etsa hore karolo ena e sebetse haholoanyane, lintlha tsa bohlokoa tse atisang ho hlalosoa mererong ea 'nete ke tsena:

• Hlalosa morero oa ho kenya letsoho le enfelopo ea mocheso:botenya le thepa li khethoa ho tsoa ho mocheso le mocheso-liphehelo tsa tahlehelo, empa hape le hore na mohala oa bonaho palama baesekele(qala/ emisa) e pompang mongobo ka manonyeletso.
• Hlalosa mokhoa oa ho roala jekete, eseng feela "insulation":lintho tse bonahalang (aluminium/stainless/galvanized), botenya, le hore na seam/overlaps li etsoa joang; liphatlalatso tse mpe li fetoha libaka tsa ho kena ha metsi.
• Lintlha tsa taolo ea ho kenella ha metsi (tse fetotsoeng haholo):hloka li-seams tse tiisitsoeng tsa longitudinal, likhutlo tse koetsoeng moo ho loketseng, le melao e hlakileng mabapi le ho kenella (litšehetso, lipompo tsa lisebelisoa, masakaneng).
• Filosofi ea ho hula / moea:hlalosa hore na metsi a ka tsoa hokae-lisele- tse tlaase, likoti tse lla, kapa likheo tsa ho ntša metsi{2}hobane "mokhoa o tiisitsoeng hantle" bophelong hangata e baleraba la metsika mora tshenyo.
• Libaka tsa bohlokoa ho hoeletsa ka ho hlaka:liphaephe le li-clamp, litsoe/mahlaseli, libaka tse tlase, le libaka tsa ho emisa{{0}tsena ke libaka tsa CUI khafetsa hobane li boloka mongobo 'me li tsepamisa mohopolo.
• Tlhokomeliso ea sehlopha sa mocheso oa kotsi oa CUI:mela e sebetsang maemong a tloaelehileng a kotsi a CUI (hangata a futhumetse hoo a ka lulang a le metsi empa a sa chese ka ho lekaneng hore a ome kapele) hangata a hloka khalemelo e matla ea ho apara baki le phihlello e reriloeng ea tlhahlobo.
• Ho hlahloba{0}matebele a bonolo:hlokadikarolo tse tlosehangkapa ho hlahloba lifensetere tse libakeng tse kotsi- tse phahameng e le hore mong'a ntlo a ka netefatsa boemo ba kantle ntle le ho tima ka botlalo{1}nakong le nako ha ho tima.
• Ho lokisoa ha bokaholimo le ho roala ka tlas'a insulation:haeba morero o sebelisa ho roala ka tlas'a insulation, bolela mofuta oa ho roala le motheo oa ho itokisetsa holimo; insulation ha e nke sebaka sa tšireletso ea kutu.
• Temana ea 'nete ea tlhokomelo:kenyeletsa mokhoa oa ho amohela mokhoa oa ho lokisa tšenyo ea baki, hobane makhopho a majabajaba/meokho a tloaelehile 'me e ba batho ba qalang ho lutla ha nako e telele ha e sa lokisoe kapele.

• Lihlooho tsa mocheso o phahameng oa boiler/HRSG{0}} le likhokahano tsa marang-rang:

Lihlekehlekeng tsa HRSG le liboiler, likhokahano tsa lihlooho le li-spool li sebetsa ka mocheso o phahameng o tsitsitseng, hammoho le ho thothomela le likhahla tsa mocheso. Mosebetsi oa tšimo hangata o kenyelletsa lifensetere tse tiisitsoeng mooho lekana{0}ho nepahala le ho laola mokhoa oa ho cheseletsaetsa qeto ea hore na kemiso e tšoarella. OD/WT e tsitsitseng le boemo bo nepahetseng ba mocheso{1}}ke litaolo tsa bohlokoa tsa ho reka.

• Superheater / reheater liphaephe tse haufi le sebōpi (ts'ebetso e khanyang ea libaka):

Liphaephe tse haufi le sebōpi li na le mocheso o phahameng oa tšepe, oxidation scaling, le mocheso o sa lekaneng. 'Nete ea sebaka sa mosebetsi ke hore li-insulation le jacketing hangata lia tlosoa ebe li khutlisetsoa nakong ea tlhokomelo, kahoo ho laolaoxidation ea kantle le kotsi ea CUIke karolo ea potoloho ea bophelo, eseng feela khetho ea pele ea thepa.

• Liphaephe tse futhumatsang tse chesitsoeng ka mochini oa ho hloekisoa le loops ea phetisetso ea oli e chesang:

Litsamaiso tsena li sebetsa ka mocheso o phahameng ka nako e telele, 'me mocheso o fetela nakong ea phetoho le ho senyeha ha ts'ebetso. Mathata a tloaelehileng a sebaka sa mosebetsi a kenyelletsa ho fola/ho lekana{1}khatello ea maikutlo ho tsoa ho khōlo ea mocheso le ho senyeha ho isang ho kutu e ka ntle. Lisebelisoa tsa lipeipi tsa alloy boiler li sebelisoa ho boloka matla mocheso le ho fokotsa litokiso tse sa reroang.

• {{0}lipeipi tsa khatello e phahameng le seseteme e hoketsoeng ea khatello (liteishene tsa li-valve / maqhama a li-reactor-ins):

Ha u le{0}khatello e phahameng, liphaephe tse pota-potileng li-reactors, li-compressor, le li-valve li bona lintho tse ngata tse tsoang ho litšepe, ho thothomela, le ho kena khafetsa ho lokisoa. Ho reka thepa hangata ho hatisabopaki bo ngotsoeng ba teko, traceability, le weldability controls hobane rekoto efe kapa efe e sieo e ka liehisa ts'ebetso.

Ikopanye hona joale

LBH

 

 

P: Litlhaloso tsa lipeipi tsa boiler ke life?

A:Litlhaloso tsa pipe ea boiler li lokela ho hlalosoa e leOD × botenya ba lebota × bolelele × kereiti × maemo a busang, hammoho le mofuta oa ho qetela (BE/PE/T&C) le sebaka se hlokahalang sa tokollo (phekolo ea mocheso/NDT/hydrotest haeba ho hlokahala). Mefuta e tloaelehileng ea phepelo leqepheng lenaOD 10.3-1422 limilimithara, WT Ka tlase ho kapa e lekana le 150 mm, le6 m / 12 m / 20FT / 40FT (ho fihla ho 18 m).

P: Boitsebiso ba pipe ea boiler ke eng?

A:Lisebelisoa tsa pipe ea boiler hangata liChrome-Moly (Cr-Mo) ferritic alloy seamless steelbakeng sa ts'ebeletso-mocheso/holimo{1}}khatello e phahameng, moomatla a creep le oxidation resistancekhanna botšepehi ba potoloho ea bophelo; limaraka tse tloaelehileng li kenyeletsaASTM A335 P1–P92 (le P122)ho itshetlehile ka mosebetsi.

P: Kereiti ea lisebelisoa tsa boiler / boemo ba tšepe ea boiler - e fapane joang le phaephe ea boiler?

A:"Boiler tube steel grade" hangata e bua kaMephato ya ASTM A213 T-(tubing), ha liphaephe tsa boiler hangata liMephato ya ASTM A335 P-(pipe); e ka ba malapa a alloy a tšoanang (mohlala,P11↔T11, P22↔T22) empa e tlameha ho ts'oana le mofuta oa ntho ea BOM ho qoba ho se lumellane ha setifikeiti ha e lokolloa.

P: Pipe ea metsi e lutlang ka ntle - sesosa se atileng haholo ke sefe le hore na se ka thibeloa joang?

A:"Ho lutla ka ntle" mehalang e chesang hangata ho amahanngoa lecorrosion under insulation (CUI)e bakoang ke ho kenella ha metsi le mongobo o koaletsoeng ka tlas'a insulation / boxing; thibelo e totobatsa lintlha tsa jacketing bakeng sataolo ya metsi + drainage/ventingle ho boloka phihlello ea tlhahlobo libakeng tse tšehetsang/libakeng tse tlase ho e-na le ho nka ho koala sekheo e le mohopolo o ka morao.

Setifikeiti

 

Setifikeiti sa CE

Setifikeiti sa ISO 9001

Setifikeiti sa API Q1

Setifikeiti sa ABS

Setifikeiti sa AP-5L

Setifikeiti sa API-5CT

 

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