Mhando dzeFlanges
Flange marudzi
Sezvakatsanangurwa kare, anonyanya kushandiswa flange marudzi ASME B16.5 ndeiyi: Welding Neck, Slip On, Socket Weld, Lap Joint, Threaded uye Blind flange. Pazasi iwe unowana tsananguro pfupi uye tsananguro yemhando yega yega, yakapedzwa nemufananidzo wakadzama.
Mhando dzakawanda dzeflange
Welding Neck flange
Welding Neck Flanges zviri nyore kuziva pane refu tapered hub, iyo inoenda zvishoma nezvishoma kusvika kumadziro ukobvu kubva papombi kana yakakodzera.
Iyo yakareba tapered hub inopa kusimbiswa kwakakosha kwekushandisa mune akati wandei maapplication anosanganisira yakanyanya kudzvanywa, sub-zero uye / kana yakakwirira tembiricha. Shanduko yakatsetseka kubva pahukobvu hweflange kuenda kune pombi kana kukodzera kwemadziro ukobvu kunoitwa ne taper kunobatsira zvakanyanya, pasi pemamiriro ekudzokorora kukotama, zvichikonzerwa nekuwedzera kwemutsara kana mamwe masimba akasiyana.
Aya maflange anofinhwa kuti aenderane nedhayamita yemukati yepombi yekusangana kana kufita saka hapazove nekurambidzwa kwekuyerera kwechigadzirwa. Izvi zvinodzivirira kubvongodza pajoinhi uye zvinoderedza kukukurwa. Ivo zvakare vanopa yakanakisa kushushikana kugovera kuburikidza ne tapered hub uye inonyorerwa radiographed kuti ione kukanganisa.
Iyi flange mhando ichave yakakwenenzverwa kune pombi kana kupfekedza nekupinda kamwe chete kwakazara, V weld (Buttweld).
Details of Welding Neck flange
1. Weld Neck flange2. Butt Weld
3. Pipe kana Fitting
Slip On flange
Iyo yakaverengerwa simba kubva kuSlip On flange pasi pekumanikidzwa kwemukati ndeyekurongeka kwezvikamu zviviri kubva muzvitatu izvo zveWelding Neck flanges, uye hupenyu hwavo pasi pekuneta hunenge chikamu chimwe muzvitatu cheiyo yekupedzisira.
Kubatana nepombi kunoitwa ne 2 fillet welds, pamwe nekunze zvakare mukati meflange.
Iyo X chiyero pamufananidzo, ingangoita:
Kukobvu kwemadziro kwepombi + 3 mm.
Iyi nzvimbo inofanirwa, kuti irege kukuvadza chiso cheflange, panguva yekugadzira welding.
Chisina kunaka cheflange ndechekuti, iyo musimboti nguva dzose kutanga pombi inofanira kunge yakasungwa uye ipapo kungokodzera. Musanganiswa weflange negokora kana flange uye tee hazvigoneke, nekuti mafittings ane mazita haana magumo akatwasuka, iwo anotsvedza akazara muSlip On flange.
Details of Slip On flange
1. Slip On flange2. Yakazadzwa weld panze
3. Yakazadzwa weld mukati4. Pipe
Socket Weld flange
Socket Weld flanges yakatanga kugadzirwa kuti ishandiswe pane diki-saizi yakakwirira yekumanikidza pombi. Simba ravo rakamira rakaenzana neSlip On flanges, asi kuneta kwavo simba 50% yakakura kudarika kaviri-welded Slip On flanges.
Kubatana nepombi kunoitwa ne 1 fillet weld, kunze kweflange. Asi musati matuta, nzvimbo inofanira kugadzirwa pakati peflange kana kufita uye pombi.
ASME B31.1 1998 127.3 Kugadzirira kweWelding (E) Socket Weld Assembly anoti:
Pakuungana kwejoinhi isati yasota, pombi kana chubhu ichapinzwa musoketi kusvika pakadzika dzika uye yozobviswa inenge 1/16 ″ (1.6 mm) kure nekusangana pakati pemagumo epombi nebendekete resoketi.
Chinangwa chekudzikisa pasi muSocket Weld kazhinji ndechekuderedza kushushikana kwakasara pamudzi we weld iyo inogona kuitika panguva yekuomeswa kwesimbi weld. Mufananidzo wacho unokuratidza chiyero cheX chegeji rekuwedzera.
Iko kusakanganiswa kweiyi flange ndiko iko gap, iro rinofanira kuitwa. Nezvigadzirwa zvinoparadza, uye kunyanya mumapombi esimbi isina tsvina, mutswe pakati pepombi neflange unogona kupa matambudziko ekuora. Mune mamwe maitiro iyi flange haibvumirwe zvakare. Ini handisi nyanzvi munyaya iyi, asi paInternet, iwe unowana ruzivo rwakawanda pamusoro pemafomu ekuora.
Zvakare kune iyi flange inoverengera, iyo musimboti nguva dzose pekutanga pombi inofanirwa kusungirirwa uyezve kungokodzera.
Tsanangudzo yeSocket Weld Flange
1. Socket Weld flange2. Yakazadzwa weld3. Pipe
X= Kuwedzera gap
Lap Joint flange
Lap Joint Flanges ane ese akaenzana zviyero sechero imwe flange ine mazita pane ino peji asi haina huso hwakasimudzwa, vakashandisa pamwe chete ne "Lap Joint Stub End".
Aya maflange akada kufanana neSlip On flange kunze kweradius pamharadzano yechiso cheflange uye bore kugarisa chikamu chakachinjika cheStub End.
Kukwanisa kwavo kubata-kumanikidza kudiki, kana kuripo, kuri nani pane iyo yeSlip On flanges uye hupenyu hwekuneta kwegungano inongova chikamu chimwe chete chegumi cheWelding Neck flanges.
Dzinogona kushandiswa pane zvese zvinomanikidza uye dzinowanikwa muhukuru hwakazara. Aya maflange anotsvedza pamusoro pepombi, uye haana kusungirirwa kana kusungirirwa pairi. Bolting pressure inoendeswa kune gasket nekumanikidzwa kweflange kuseri kwepombi lap (Stub End).
Lap Joint flanges ine mamwe mabhenefiti akakosha:
- Rusununguko rwekutenderera uchitenderedza pombi runofambisira mutsetse weanopikisa maburi ebhaudhi.
- Kusasangana nemvura mupombi kazhinji kunobvumira kushandiswa kwekabhoni simbi flange isingadhure ine pombi isingadziviriri.
- Mune masisitimu anokoromora kana kuora nekukurumidza, maflange anogona kuchengetwa kuti ashandiswe zvakare.
Details of Lap Joint Flange
1. Lap Joint flange2. Stub End
3. Butt weld4. Pipe kana Fitting
Stub End
A Stub End inogara ichishandiswa neLap Joint flange, senge inotsigira flange.
Iyi flange yekubatanidza inoiswa, mune yakaderera-kudzvanya uye isiri yakakosha maapplication, uye inzira yakachipa yeflanging.
Mune simbi isina tsvina yepombi system, semuenzaniso, kabhoni simbi flange inogona kuiswa, nekuti ivo havana kusangana nechigadzirwa mupombi.
Stub Ends inowanikwa munenge ese pombi madhayamita. Dimensions uye dimensional tolerances zvinotsanangurwa muASME B.16.9 mwero. Chiedza-huremu chinodzivirira Stub Ends (fittings) inotsanangurwa muMSS SP43.
Lap Joint Flange ine Stub End
Threaded flange
Threaded Flanges anoshandiswa kune akakosha mamiriro ane mukana wavo mukuru wekuti anogona kusungirirwa pombi pasina welding. Dzimwe nguva chisimbiso weld inoshandiswa zvakare pamwe chete neiyo threaded yekubatanidza.
Kunyangwe zvichiri kuwanikwa muhukuru hwakawanda uye kudzvanywa ratings, screwed fittings nhasi anoshandiswa zvakangoita mudiki pombi saizi.
A threaded flange kana kukodzera haina kukodzera pombi system ine mutete rusvingo ukobvu, nekuti kucheka tambo papombi hazvigoneke. Saka, kukobvu kwemadziro kunofanirwa kusarudzwa…chii chakakora?
ASME B31.3 Piping Guide anoti:
Kana pombi yesimbi yakarukwa uye inoshandiswa kuita sevhisi inodarika 250 psi kana sevhisi yemvura inopfuura 100 psi ine tembiricha yemvura inodarika 220° F, pombi yacho ichave isina musono uye ine ukobvu hunenge hwakaenzana nehurongwa makumi masere eASME B36.10.
Details of Threaded flange
1. Threaded flange2. Thread3. Pipe kana Fitting
Blind flange
Blind Flanges inogadzirwa isina bore uye inoshandiswa kuvhara migumo yepombi, mavharuvhu uye kuvhurika kwemidziyo yekumanikidza.
Kubva pakuona kwekumanikidzwa kwemukati uye kurodha mabhaudhi, mapofu mapofu, kunyanya muhukuru hukuru, ndiwo anonyanya kusimbiswa marudzi eflange.
Nekudaro, mazhinji eaya madhindindi ari kubhenda marudzi padyo nepakati, uye sezvo pasina mwero mukati medhayamita, maflange aya akakodzera kukwirisa tembiricha yekushandisa.
Details of Blind flange
1. Blind flange2. Stud Bolt3. Gasket4. Zvimwe flange
Chirevo (s) cheMunyori…
Nzira yakapusa yekugadzira 1/16 ″ Gap…
- Wakamboona Socket Weld contraction ring?
Iyo mhete yakakamurwa inogadzirwa uye yakagadzirirwa kupa pre-yakayerwa 1/16 ″ shoma gap ye socket welds. Yakagadzirwa kubva kusimbi isina simbi yakasimbiswa, uye inodzivisa ngura kubva kumakemikari, zvinhu zvine radioactive nemvura. Kana yangopinzwa mufitting mhete inova chikamu chechigarire chejoini. Haizoiti zhowe zhowe kana kudedera kunyange pasi pekumanikidzwa kwakanyanya.
Imwe nzira ndeyekuisa mumvura-inonyungudika bhodhi. Ita zvindori zvine buri punch nekunze uye mukati dhayamita yepombi. Isai mhete muflange kana kufita uye mushure mekuita hydrotesting hapasisina mhete.
Kune ese ari maviri mhinduro, bvunza mutengi wako mvumo.
Vabate panzvimbo yavo...
- Kana iyo Lap Joint flanged yekubatanidza inofanirwa kuparadzaniswa, semuenzaniso kutsiva gasket, hazvigoneke nguva dzose kuita izvozvo nenzira yakajairwa. Nzira yakajairika ndeye kushandiswa kweflange yekuparadzira kana crowbar iyo yakasundira kubva pamaflange maviri.
By Lap Joint flanges izvo hazvigoneke, nekuti izvi zvinotsvedza kumashure pamusoro pepombi, nepo Stub Ends inogara pamwe chete. Kuti udzivise izvozvo, kazhinji pane 3 nzvimbo, single millimeters kuseri kweflange, paStub End, zvimedu zvipfupi simbi yakatsetseka, ichave yakasungwa.
Iko hakuna mutemo wakajairwa wekuti Lap Joint flange inofanira kunge yakabatirira panzvimbo yayo, uye saka inogona kutsauka pane yakatarwa nevatengi.
Waizviziva here…?
- Pamadiki madiki, huwandu hwemadziro akarasika panguva yekurukisa hunenge hwakaenzana ne55% yepakutanga pombi wall.
Butt welds vs Fillet welds
- Mune masisitimu ane kudzvinyirira kwakanyanya uye tembiricha, isu tinofanirwa kudzivirira kushandiswa kwemafillet welds. Butt welds, mumasisitimu akadaro anofanira kushandiswa. Kusimba kwebutt weld ndiko kusimba kweiyo base material. Simba re fillet welds rine chekuita nekusimba kwebutt weld, inenge chikamu chimwe muzvitatu.
Pakumanikidza kwepamusoro uye tembiricha, kuwedzera uye kuputika kwakakonzera kukurumidza kutsemuka kwakakomba mumafillet welds uye nekudaro kushandiswa kwebutt welds kwakakosha.
Kune maconduit kumakina akakosha semapombi, macompressor uye turbines, ayo anoratidzwa kune vibration (pamwe nekuwedzera uye kuderera), isu tinofanirwa kudzivirira kushandiswa kwemafillet welds kana tambo dzekubatanidza.
Fillet welds ine yakanyanya kunzwisiswa kune makatsemuka nekuda kwekunetsekana, nepo butt welds inoratidzirwa nekutsinhana kwekutsinhana kwekunetsana.
Saka, pamamiriro ezvinhu akaoma, isu tinofanirwa kushandisa maflange akabatanidzwa nebutt welding senge weld mutsipa uye mhete yemhando yekubatanidza, uye tidzivise kushandisa maflange akabatanidzwa nefillet welds seSlip On kana Socket Weld.
Nguva yekutumira: Jun-05-2020