Kuwotcherera kwa Spiral Submerged Arc Mu Kumanga Kwa Pipe Line: Kuonetsetsa Moyo Wautumiki Ndi Kudalirika

Kufotokozera Kwachidule:

Kumanga kwamasamba a mafuta ndi njira yofunikira komanso yovuta yomwe imafuna miyezo yapamwamba kwambiri yaukadaulo wowotcherera.Mwa njira zosiyanasiyana zowotcherera zomwe zimagwiritsidwa ntchito, kuwotcherera kwa spiral submerged arc (HSAW) ndi njira yoyamba chifukwa chakuchita bwino komanso kupambana pakuwonetsetsa moyo wautumiki komanso kudalirika kwa mapaipi amafuta.Mu blog iyi, tiwona kufunikira kwa HSAW pakuwotcherera mapaipi amafuta ndikuwunika ubwino wake ndi phindu lake lalikulu pakukumana ndi dziko lapansi.'s kukula zofunika zoyendera mafuta.

Titumizireni imelo

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Dziwani zambiri za HSAW:

Kuwotcherera kwa arc pansi pamadzindiukadaulo wapamwamba wowotcherera womwe umaphatikiza mfundo zowotcherera arc pansi pamadzi ndi kupanga machubu ozungulira.Zimaphatikizapo kugwiritsa ntchito njira yowotcherera yodzichitira kuti ipangitse kuwotcherera kozungulira kopitilira muyeso podyetsa waya wolimba wothira mu arc yokutidwa ndi flux.Njirayi imatsimikizira kuti welds wokhazikika komanso wapamwamba kwambiri, ndikuchotsa chiopsezo cha zolakwika zomwe zimachitika ndi njira zina zowotcherera.

mapulogalamu.

Mechanical Property

kalasi yachitsulo	mphamvu zochepa zokolola Mpa		Kulimba kwamakokedwe		Kutalikira pang'ono %	Mphamvu zochepa zomwe zimakhudzidwa J
kalasi yachitsulo	Makulidwe odziwika mm		Makulidwe odziwika mm		Makulidwe odziwika mm	pa kutentha kwa mayeso a
	＜16	＞16≤40	＜3	≥3≤40	≤40	-20 ℃	0 ℃	20 ℃
Chithunzi cha S235JRH	235	225	360-510	360-510	24	-	-	27
Chithunzi cha S275J0H	275	265	430-580	410-560	20	-	27	-
Chithunzi cha S275J2H	275	265	430-580	410-560	20	27	-	-
Chithunzi cha S355J0H	365	345	510-680	470-630	20	-	27	-
Chithunzi cha S355J2H						27	-	-
Chithunzi cha S355K2H						40	-	-

Kufunika kwa HSAW pakumanga mapaipi amafuta:

1. Mphamvu ndi Kukhalitsa: Chimodzi mwa makhalidwe oyambirira a HSAW ndi kuthekera kwake kupanga zolumikizira zolimba, zolimba kwambiri.Kuwotcherera kopitilira muyeso komwe kumapangidwa ndiukadaulowu kumakulitsa kukhulupirika kwamapangidwe ndipo ndikofunikira kupirira kupsinjika kwakukulu, kutentha kwambiri komanso zinthu zachilengedwe zomwe.paipi yamafuta mizerenkhope pa moyo wawo wautumiki.

2. Moyo wautali ndi kudalirika kolimba: Mizere ya mapaipi amafuta ikuyembekezeka kugwira ntchito mosalakwitsa kwa zaka zambiri, kutumiza mafuta popanda kutayikira kapena kulephera.HSAW imagwira ntchito yofunikira kwambiri pakukwaniritsa moyo wautali wautumiki powonetsetsa ngakhale kufalitsa kutentha kwa welding, kuchepetsa kupsinjika, ndikuletsa kuyambitsa ndi kufalitsa ming'alu - zonse zomwe zimapangitsa kuti chitoliro chikhale chodalirika.

3. Kumanga bwino: HSAW imatha kuwotcherera magawo aatali a mapaipi mosalekeza, motero imakhala yothandiza kwambiri pakumanga mapaipi.Njirayi imachepetsa nthawi yowotcherera, imawonjezera zokolola, imachepetsa kwambiri ndalama zomanga, ndipo imathandizira kuti ntchitoyo ithe panthawi yake.

4. Kuchepetsa kukonzanso ndi kukonzanso: Popereka ma welds apamwamba kwambiri, opanda chilema, HSAW imachepetsa kufunikira kwa kukonzanso kwamtsogolo kapena kutsika kokhudzana ndi kukonza.Mapaipi amafuta omangidwa pogwiritsa ntchito njirayi sakonda kutayikira kapena kulephera, kuwongolera chitetezo ndikuwonjezera magwiridwe antchito.

5. Zopindulitsa zachilengedwe: HSAW imaonetsetsa kuti ma welds olondola apangidwa ndipamwamba kwambiri.Izi zimachepetsa kuwonongeka kwa mapaipi komanso kutayikira kwamafuta, kuteteza chilengedwe ku ngozi zomwe zingachitike chifukwa cha kulephera kwa mapaipi.

Chemical Composition

Chitsulo kalasi		Mtundu wa de-oxidation a	% ndi misa, pazipita
Dzina lachitsulo	Nambala yachitsulo	C	C	Si	Mn	P	S	Nb
Chithunzi cha S235JRH	1.0039	FF	0,17	-	1,40	0,040	0,040	0.009
Chithunzi cha S275J0H	1.0149	FF	0,20	-	1,50	0,035	0,035	0,009
Chithunzi cha S275J2H	1.0138	FF	0,20	-	1,50	0,030	0,030	-
Chithunzi cha S355J0H	1.0547	FF	0,22	0,55	1,60	0,035	0,035	0,009
Chithunzi cha S355J2H	1.0576	FF	0,22	0,55	1,60	0,030	0,030	-
Chithunzi cha S355K2H	1.0512	FF	0,22	0,55	1,60	0,030	0,030	-
a.Njira ya deoxidation imayikidwa motere: FF: Chitsulo chopha kwathunthu chokhala ndi zinthu zomangira za nayitrogeni mu kuchuluka kokwanira kumanga nayitrogeni yomwe ilipo (mwachitsanzo min. 0,020 % okwana Al kapena 0,015 % sungunuka Al). b.Kuchuluka kwa nayitrogeni sikugwira ntchito ngati mankhwala akuwonetsa kuchuluka kwa Al zomwe zili 0,020 % ndi chiŵerengero chochepa cha Al/N cha 2:1, kapena ngati zinthu zina zokwanira za N-binding zilipo.Zinthu zomangiriza za N zidzalembedwa mu Inspection Document.

Pomaliza:

Kupanga mapaipi amafuta kumafuna miyezo yapamwamba kwambiri yowotcherera kuti zitsimikizire moyo wautali, kudalirika komanso chitetezo.Spiral submerged arc welding (HSAW) ndiye ukadaulo wotsimikiziridwa wosankha pagawoli chifukwa cha kuthekera kwake kupanga ma welds amphamvu, olimba komanso opanda chilema.Pokhala ndi maubwino ambiri kuphatikiza kukhazikika kwamapangidwe, kumanga bwino, kuchepetsa kukonza komanso kupindula kwa chilengedwe, HSAW imagwira ntchito yofunika kwambiri pakukwaniritsa zosowa zapadziko lonse lapansi zoyendera mafuta.Pamene makampani amafuta akuchulukirachulukira, kugwiritsa ntchito njira zamakono zowotcherera monga HSAW ndikofunikira kuti pakhale kukhulupirika ndi kudalirika kwa mapaipi amafuta padziko lonse lapansi.

Powombetsa mkota

Cangzhou Spiral Steel Pipe Group Co., Ltd. imanyadira kupereka mapaipi apamwamba ozungulira amitundu yosiyanasiyana.Timayang'ana kwambiri kupanga mwatsatanetsatane, ukadaulo wapamwamba wowotcherera ndi zida zabwino kuti tipatse makasitomala mayankho odalirika, odalirika pazosowa zawo zamapaipi.Tikhulupirireni kuti tikwaniritse zofunikira zanu zonse ndikudziwonera nokha kudalirika ndi kulimba kwa mapaipi athu ozungulira.

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