SS 304 isina musono uye 316 Stainless simbi Coiled Tube mutengesi muchina

Sezvo dzvinyiriro dzemusika dzinomanikidza vagadziri vepombi uye mapaipi kuti vawane nzira dzekuwedzera kubereka vachisangana nemhando dzakasimba, kusarudza nzira dzekutonga dzakanakisa uye masisitimu ekutsigira kwakakosha kupfuura nakare kose.Nepo vazhinji vanogadzira machubhu nepombi vachivimba nekuwongorora kwekupedzisira, muzviitiko zvakawanda vagadziri vanoedza kare mukugadzira maitiro kuti vaone kukanganisa kwezvinhu kana kugadzira.Izvi hazvingodzikisi tsvina chete, asiwo zvinoderedza mari inobatanidza nekuraswa kwezvinhu zvisina kukwana.Iyi nzira pakupedzisira inotungamira kune yakakwira purofiti.Nezvikonzero izvi, kuwedzera isiri-inoparadza yekuyedza (NDT) kuchirimwa inoita pfungwa yakanaka yehupfumi.

Zvinhu zvakawanda-mhando yemhando, dhayamita, ukobvu hwemadziro, kumhanya kwekugadzirisa, uye pombi welding kana nzira yekugadzira - sarudza yakanakisa bvunzo.Izvi zvinhu zvinokanganisawo kusarudzwa kwemaitiro enzira yekudzora inoshandiswa.
Eddy yazvino kuyedza (ET) inoshandiswa mumapombi akawanda epombi.Uyu muyedzo usingadhure unogona kushandiswa mumapaipi matete emadziro, kazhinji anosvika 0.250 inch kukora kwemadziro.Yakakodzera kune ese magineti uye asiri magineti zvinhu.
Sensors kana test coil inowira mumapoka maviri makuru: annular uye tangential.Circumferential coils inoongorora iyo yese yemuchinjikwa chikamu chepombi, nepo tangential coils inoongorora chete weld nzvimbo.
Kuputira spools kunoona hurema pachikamu chese chiri kuuya, kwete chete weld zone, uye kazhinji inoshanda zvakanyanya pakuongorora saizi iri pasi pe2 inches mudhayamita.Ivo zvakare vanoshivirira weld zone displacement.Chainyanya kukanganisa ndechekuti kupfuudza chidimbu chekudya nemuchigayo chinoda nhanho dzekuwedzera uye kutarisirwa kwakakosha kusati kwapfuura nemumipumburu yebvunzo.Zvakare, kana iyo test coil yakasimba kusvika kudhayamita, weld yakaipa inogona kukonzera kuti chubhu iparadzane, zvichikonzera kukanganisa ku test coil.
Tangential anotendeuka ongorora chikamu chidiki chedenderedzwa repombi.Mumashandisirwo makuru edhayamita, kushandisa matangential coils panzvimbo pemakoiri akamonyoroka kazhinji kunopa iri nani chiratidzo-kune-ruzha reshiyo (chiyero chesimba rechiratidzo chekuyedza maringe nechiratidzo chakamira kumashure).Tangential makoiri zvakare haadi tambo uye ari nyore kugadzirisa kubva mufekitori.Izvo zvakaderera ndezvekuti ivo vanongotarisa solder points.Inokodzera mapaipi makuru edhayamita, anogona zvakare kushandiswa kune madiki mapaipi kana iyo welding chinzvimbo ichidzorwa zvakanaka.
Macoils emhando ipi neipi anogona kuedzwa kuti awane kuzorora kwepakati.Kuongorora kukanganisa, inozivikanwawo sezero yekutarisa kana mutsauko wekutarisa, inoramba ichienzanisa weld kune zvikamu zviri padyo nesimbi yepasi uye inonzwa kune shanduko diki dzinokonzerwa ne discontinuities.Yakanakira kuona hurema hupfupi senge pinholes kana kushaikwa welds, inova ndiyo nzira yekutanga inoshandiswa mune yakawanda rolling mill application.
Muedzo wechipiri, iyo nzira yakakwana, inowana zvakaipira verbosity.Iyi yakapfava fomu yeET inoda kuti mushandisi aenzanise nemagetsi sisitimu pazvinhu zvakanaka.Pamusoro pekuona zvakakomba zvinoramba zvichichinja, inoonawo shanduko mukukora kwemadziro.
Kushandisa nzira mbiri idzi dzeET hakufanirwe kunyanya kunetsa.Ivo vanogona kushandiswa panguva imwe chete neiyo bvunzo coil kana chiridzwa chakashongedzerwa kuita kudaro.
Pakupedzisira, nzvimbo yemuviri yemuyedzi yakakosha.Zvivakwa zvakaita seambient tembiricha uye mill vibrations izvo zvinofambiswa kune chubhu zvinogona kukanganisa kuiswa.Kuisa bvunzo coil padivi pekamuri yewelding inopa opareta ruzivo rwekukurumidza nezve welding process.Nekudaro, masensa anodzivirira kupisa kana kuwedzera kutonhora kunogona kudikanwa.Kuisa test coil pedyo nekuguma kweguyo kunobvumira kuonekwa kwehurema hunokonzerwa nekukura kana kuumbwa;zvisinei, mikana yenhema dzenhema dzakakwirira nokuti sensor iri pedyo ne-cut-off system munzvimbo ino, iyo inowanzoona kudengenyeka pakuona kana kucheka.
Ultrasonic bvunzo (UT) inoshandisa pulses yemagetsi emagetsi uye inoashandura kuita yakakwirira frequency inonzwika simba.Aya masaisai anonzwika anofambiswa kune izvo zviri mukuedzwa kuburikidza nepakati senge mvura kana chigayo chinotonhodza.Ruzha rwunonanga, kutariswa kwetransducer kunotarisisa kana sisitimu iri kutsvaga kuremara kana kuyera ukobvu hwemadziro.Seti yematransducer inogadzira iyo contours yewelding zone.Iyo ultrasonic nzira haina kuganhurirwa nehupamhi hwemadziro epombi.
Kuti ushandise iyo UT maitiro seyeyero chishandiso, mushandisi anofanirwa kutungamira iyo transducer kuti ienderane kune pombi.Masaisai eruzha anopinda kunze kwedhayamita yepombi, obvondoka kubva mukati medhayamita, uye odzokera kune transducer.Sitimu inoyera nguva yekufambisa — nguva inotora masaisai eruzha kufamba kubva padhayamita rekunze kuenda mukati medhayamita — uye inoshandura nguva iyoyo kuita chiyero chakakora.Zvichienderana nemamiriro echigayo, iyi kuseta inobvumira kuyerwa kwemadziro kuyerwa kuve kwakaringana kusvika ± 0.001 mukati.
Kuti uone kukanganisa kwezvinhu, mushandisi anotungamira sensor pane oblique angle.Mafungu eruzha anopinda kubva kunze kwedhayamita, achifamba kuenda kudhayamita yemukati, anoratidzwa achidzokera kudhayamita yekunze, uye nokudaro anofamba achitevedza madziro.Kusaenzana kweweld kunokonzera kuratidzwa kwemasaisai eruzha;inodzorera nenzira imwechete kune inoshandura, iyo inoshandura zvakare musimba remagetsi uye inogadzira chiratidziro chechiratidzo chinoratidza nzvimbo yechikanganiso.Chiratidzo chacho chinopfuurawo nepamagedhi akaremara ayo anotanga alarm kuti azivise mushandisi, kana kutanga pendi system inotaridza nzvimbo yechirema.
UT masisitimu anogona kushandisa imwe chete transducer (kana akawanda single element transducers) kana akaganhurwa akatevedzana evashanduri.
Traditional UTs anoshandisa imwe kana anopfuura single element sensors.Huwandu hwemaprobes hunoenderana nehurefu hunotarisirwa hurema, kumhanya kwemutsara uye zvimwe zvinodiwa zvekuedza.
Iyo phased array ultrasonic analyzer inoshandisa akati wandei transducer zvinhu mune imwe imba.Iyo yekudzora sisitimu yemagetsi inotungamira masaisai eruzha kuti atarise nzvimbo yeweld pasina kushandura chinzvimbo chetransducer.Iyo sisitimu inogona kuita zviitiko zvakaita sekuona kukanganisa, kuyerwa kwemadziro kuyerwa, uye yekutevera shanduko mukutsvaira kwemoto wenzvimbo dzakasungwa.Aya maitiro ekuyedza uye kuyerwa anogona kuitwa zvakanyanya panguva imwe chete.Izvo zvakakosha kuti uzive kuti iyo yakakamurwa array nzira inogona kushivirira kumwe kunyungudika kwewelding nekuti iyo array inogona kuvhara nzvimbo yakakura kupfuura yechinyakare yakatarwa chinzvimbo sensors.
Iyo yechitatu isingaparadze nzira yekuyedza, Magnetic Flux Leakage (MFL), inoshandiswa kuyedza hombe-diameter, gobvu-madziro uye magineti pombi.Inonyatsokodzera kushandiswa kwemafuta uye gasi.
MFL inoshandisa yakasimba DC magineti inopfuura nepapombi kana pombi madziro.Iyo magineti simba remagineti rinosvika kuzara kwakazara, kana nzvimbo iyo chero kuwedzera kwesimba remagineti hakukonzeri kuwedzera kwakakosha kwemagineti flux density.Kana magineti flux ichidhumhana nekuremara muchinhu, kukanganisa kunokonzeresa kwemagnetic flux kunogona kuita kuti ibhururuke kana kubhuroka kubva pamusoro.
Mafuro emhepo akadaro anogona kuwonekwa uchishandisa waya nyore probe ine magnetic field.Sezvimwe nemamwe magineti ekunzwa maapplication, sisitimu inoda kufamba kwehukama pakati pezvinhu zviri kuedzwa uye probe.Kufamba uku kunowanikwa nekutenderedza magineti uye probe musangano kutenderedza denderedzwa repombi kana pombi.Kuti uwedzere kumhanya kwekugadzirisa mukuisa kwakadaro, mamwe ma sensors (zvakare, array) kana akati wandei arrays anoshandiswa.
Iyo inotenderera MFL block inogona kuona kureba kana kuchinjika kuremara.Musiyano uri mukumisikidzwa kweiyo magnetization chimiro uye dhizaini yeprobe.Muzviitiko zvese izvi, iyo sefa yechiratidzo inobata maitiro ekuona kukanganisa uye kusiyanisa pakati peID neOD nzvimbo.
MFL yakafanana neET uye vanopindirana.ET ndeyezvigadzirwa zvine kukora kwemadziro zvisingasviki 0.250 ″ uye MFL ndeyezvigadzirwa zvine madziro makubvu makuru kupfuura izvozvo.
Imwe yemabhenefiti eMFL pamusoro peUT kugona kwayo kuona zvisina kunaka kukanganisa.Semuenzaniso, hurema hwehelical hunogona kuonekwa nyore nyore uchishandisa MFL.Kukanganisa mune ino oblique yekumisikidza, kunyangwe ichionekwa neUT, inoda marongero akananga kune yakarongwa kona.
Unoda kuziva zvakawanda nezvenyaya iyi?Vagadziri uye Manufacturers Association (FMA) vane rumwe ruzivo.Vanyori Phil Meinzinger naWilliam Hoffmann vanopa zuva rakazara reruzivo nemirairo pamisimboti, sarudzo dzemidziyo, kuseta, uye kushandiswa kwemaitiro aya.Musangano wakaitwa munaNovember 10 padzimbahwe reFMA muElgin, Illinois (pedyo neChicago).Kunyoresa kwakavhurika kune chaiwo uye mu-munhu kupinda.Kuti udzidze zvakawanda.
Tube & Pipe Journal yakatangwa muna 1990 seyekutanga magazini yakatsaurirwa kuindasitiri yesimbi pombi.Kusvika nanhasi, ichiri iyo yega indasitiri-yakatarisana nekuburitswa muNorth America uye yave yakavimbika sosi yeruzivo kune nyanzvi dzemachubhu.
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