Spiral Seamless Welded Pipe
Kubva kuma1930s, nekukurumidza kusimudzira kwemhando yepamusoro tambo inoenderera kugadzirwa uye kufambira mberi kwewelding uye yekuongorora tekinoroji, mhando yewelds yakaramba ichivandudzwa, uye akasiyana uye zvirevo zvemapombi esimbi akaiswa ari kuwedzera.Sona pombi yesimbi.Welded simbi pombi dzakakamurwa dzakatwasuka musono welded pombi uye spiral welded pombi maererano nechimiro welds.Kurongeka nenzira yekugadzira: process classification-arc welded pombi, kuramba welded pombi, (high frequency, low frequency) gasi welded pombi, choto chemoto welded.
Mapaipi madiki dhayamita akaiswa welded anosonerwa nemusono wakatwasuka, ukuwo hombe dhayamita dzakamonerwa pombi dzinowanzoita spiral weld.Maererano nechimiro chekuguma kwepombi yesimbi, yakakamurwa kuita denderedzwa yakashongedzwa pombi uye yakakosha-yakaumbwa (square, rectangular, etc.) welded pombi;maererano nezvinhu zvakasiyana-siyana uye mashandisirwo, inokamurwa kuita mvura yemugodhi Inotakura mapaipi esimbi akachekwa, mapaipi esimbi akakwenenzverwa kuti aenderere pasi-kumanikidzwa kwemvura, pombi dzemagetsi dzakashongedzwa nesimbi yebhandi conveyor rollers. , ronga nedhayamita rekunze * kukora kwemadziro kubva kudiki kusvika kuhombe.
Zvinowanzoshandiswa zvinhu welded pombi ndeiyi: Q235A, Q235C, Q235B, 16Mn, 20#, Q345, L245, L290, X42, X46, X60, X80, 0Cr13, 1Cr17, 00Cr19Nir18Nir1Cr18, etc.
Mapupu anoshandiswa papombi dzesimbi dzakashongedzwa mahwendefa esimbi kana simbi dzesimbi, dzakakamurwa kuita mapaipi akaiswa muchoto, mapombi emagetsi akaiswa (resistance welded) pombi uye otomatiki arc welded pombi nekuda kwemaitiro avo akasiyana emagetsi.Nekuda kwemhando dzayo dzakasiyana dzewelding, inogona kukamurwa kuita mhando mbiri: yakatwasuka musono welded pombi uye spiral welded pombi.Nekuda kwechimiro chayo chekupedzisira, chakakamurwa kuita denderedzwa welded pombi uye yakakosha-yakaita (square, flat, etc.) welded pombi.Welded pombi dzakakamurwa kuva anotevera marudzi nekuda kwezvakasiyana zvinhu uye mashandisiro:
GB/T3091-2008 (Welded steel pipes for low pressure fluid transportation): Inonyanya kushandiswa kutakura mvura, gasi, mhepo, oiri, kudziyisa mvura kana chipfunga uye zvimwe zvinowanzodzikira mvura inodzika uye zvimwe zvinangwa.Iyo inomiririra zvinhu ndeye: Q235A giredhi simbi.
GB/T14291-2006 (Welded Steel Pipe for Mining Fluid Transport): Inonyanya kushandiswa kune yakatwasuka musono welded simbi mapaipi emugodhi wemhepo, dhiraivha, uye shaft yekuburitsa gasi.Mumiririri wayo zvinhu Q235A, Grade B simbi.
GB/T12770-2002 (Stainless steel welded simbi pombi yemakanika chimiro): Inonyanya kushandiswa kumichina, mota, mabhasikoro, fenicha, kushongedza kwehotera neresitorendi uye zvimwe zvikamu zvemakanika uye zvikamu zvechimiro.Zvishandiso zvayo zvinomiririra 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, nezvimwe.
GB/T12771-1991 (Stainless steel welded simbi pombi yekufambisa mvura): Inonyanya kushandiswa kutakura low-pressure corrosive media.Zvishandiso zvinomiririra 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2, nezvimwe.
Uyezve, akakandwa Stainless simbi pombi nokuda kushongedzwa (GB/T 18705-2002), Stainless simbi welded nyere dzokuvaka ukomba (JG/T 3030-1995), uye welded simbi mapaipi kuti kupisa exchangers (YB4103-2000).
Longitudinal welded pombi ine yakapfava kugadzirwa maitiro, yakakwirira kugadzirwa kunyatsoshanda, yakaderera mutengo uye kukurumidza kusimudzira.Kusimba kwepombi dzakaiswa welded dzinowanzokwirira kupfuura dzepombi dzakaiswa seam dzakarukwa.A nhete isina chinhu inogona kushandiswa kugadzira pombi dzakakandwa dzine madhayamita epombi hombe, uye billet rine hupamhi hwakafanana rinogona kushandiswawo kugadzira pombi dzakasungwa dzine madhayamita epombi akasiyana.Asi kana ichienzaniswa neiyo yakatwasuka seam pombi yehurefu hwakafanana, kureba kweweld kunowedzerwa ne30-100%, uye kukurumidza kwekugadzira kwakaderera.
Mapaipi mahombe ane dhayamita kana makobvu akaiswa simbi anowanzo gadzirwa zvakananga kubva kusimbi, nepo mapaipi madiki akasungwa uye matete-madziro akaiswa pombi anongoda chete kubatanidza zvakananga kuburikidza nesimbi.Zvino mushure mekupenya kuri nyore, kudhirowa kwakanaka.
Wedzero: Iyo pombi yakasungwa yakasungwa nesimbi ye strip, saka haina kukwirira sepombi isina musono.
Welded pipe process
Raw material kusunungura-leveling-kuguma kucheka uye welding-looper-forming-welding-yemukati nekunze weld bead kubviswa-pre-correction-induction heat treatment-size uye kutwasanudza-eddy ikozvino kuyedza-kucheka-mvura kudzvinyirirwa-kunhonga-yekupedzisira kuongorora. (Kunyatsotarisa) -kurongedza-kutakura.
Inorongwa nechinangwa
Yakakamurwa kuita general welded pombi, galvanized welded pombi, oxygen-inofuridza welded pombi, waya casing, metric welded pombi, roller pombi, yakadzika tsime pombi pombi, mota pombi, transformer pombi, yemagetsi welded yakatetepa-yakavezwa pombi, yemagetsi welded yakakosha- pombi yakaita sepipe, chikafuri chepombi uye mutobvu wakaiswa welded .
General welded pipe:General welded pipe inoshandiswa kutakura low-pressure fluid.Yakagadzirwa neQ195A, Q215A, Q235A simbi.Inogonawo kugadzirwa neimwe simbi yakapfava iyo iri nyore kupinza.Mapombi esimbi anofanirwa kuisirwa dzvinyiriro yemvura, kukotama, kupepeta uye zvimwe zviedzo, uye pane zvimwe zvinodiwa pamhando yepamusoro.Kazhinji kureba kwekutakura ndeye 4-10m, uye iyo yakatarwa-kureba (kana kaviri-kureba) kuendesa kunowanzo kudiwa.Izvo zvinotsanangurwa zve welded pombi zvinoratidzwa nemazita dhayamita (mm kana inches).Iyo yezita dhayamita ye welded pombi yakasiyana neiyo chaiyo.Zvinoenderana nehupamhi hwemadziro akatsanangurwa, mapaipi akasungwa anowanikwa mune akajairwa simbi pombi uye akakora simbi pombi.Mapaipi esimbi akakamurwa kuita mhando mbiri neshinda uye pasina shinda zvinoenderana neiyo tube end form.
Galvanized steel pipe:Kuti uvandudze kushorwa kwepombi yesimbi, iyo yakawanda simbi pombi (dema pombi) inoputika.Mapaipi esimbi ane galvanized akakamurwa kuva marudzi maviri: hot-dip galvanizing uye electro-galvanizing.Iyo inopisa-dip galvanizing layer yakakora uye mutengo we electro-galvanizing wakaderera.
Oxygen-inofuridza welded pombi:Inoshandiswa sepombi yekugadzira simbi inofuridza okisijeni, kazhinji mapaipi esimbi madiki-diameter anoshandiswa, ane zvirevo zvisere kubva pa3/8 inch kusvika 2 inch.Yakagadzirwa ne08, 10, 15, 20 kana Q195-Q235 simbi bhandi.Kuitira kudzivirira ngura, mamwe anovhenekerwa.
Wire casing:Yakajairika kabhoni simbi yemagetsi welded simbi pombi, inoshandiswa mukongiri uye akasiyana magadzirirwo emagetsi mapurojekiti ekugovera, iyo inowanzo shandiswa zita dhayamita inobva 13-76mm.Rusvingo rwesimbi sleeve itete, uye yakawanda yacho inoshandiswa mushure mekuputira kana galvanizing, uye inotonhora bend test inodiwa.
Metric welded pombi:Iyo dhizaini inoshandiswa senge isina musono pombi pombi, uye iyo yakasungwa simbi pombi inoratidzwa nekunze dhayamita * madziro ukobvu mm, uchishandisa yakajairwa kabhoni simbi, yakakwira-mhando kabhoni simbi kana general simba yakaderera alloy simbi yekupisa tambo, inotonhora strip welding, kana kupisa. strip welding Zvino inogadzirwa nenzira inotonhora yekufona.Metric welded pombi dzakakamurwa kuita simba rakawanda uye dzakatetepa-madziro, uye dzinowanzo shandiswa sezvikamu zvimiro, senge mashaft ekufambisa kana zvinwiwa zvinotakura.Mapaipi ane madziro akatetepa anoshandiswa kugadzira fenicha, marambi, nezvimwe, uye simba uye kubhenda bvunzo yepombi yesimbi inofanirwa kuve nechokwadi.
Roller tube:Electric welded simbi pombi ye roller yebhandi conveyor, kazhinji yakagadzirwa neQ215, Q235A, B simbi uye makumi maviri simbi, ine dhayamita ye63.5-219.0mm.Pane zvimwe zvinodikanwa kuti chubhu inokotama, magumo kumeso kuve perpendicular kune yepakati mutsara, uye ellipality.Kazhinji, kudzvinyirirwa kwemvura uye kuyedzwa kwekubata kumeso kunoitwa.
Transformer chubhu:Inoshandiswa kugadzira transformer radiator machubhu uye zvimwe zvinopisa kupisa.Yakagadzirwa neyakajairwa kabhoni simbi uye inoda flatten, flaring, bending, uye hydraulic bvunzo.Mapaipi esimbi anounzwa mune yakatemwa-kureba kana kaviri-kureba, uye pane zvimwe zvinodiwa pakukotama kwepombi yesimbi.
Mapaipi akasarudzika:mapaipi akaenzana, mapaipi ane rectangular, pombi dzakaita sengowani, magonhi esimbi erabha uye mahwindo akasungwa neakajairwa kabhoni chimiro simbi uye 16Mn simbi mitsetse, inonyanya kushandiswa kune zvekurima michina zvikamu, mahwindo esimbi nemagonhi, nezvimwe.
Welded thin-walled pombi:anonyanya kushandiswa kugadzira fenicha, matoyi, marambi, nezvimwewo. Mumakore achangopfuura, machubhu ane madziro matete akagadzirwa nesimbi isina tsvina anoshandiswa zvakanyanya, senge fenicha yepamusoro, yekushongedza, uye fenzi.
Spiral welded pipe:Iyo inogadzirwa nekukungurutsa yakaderera-kabhoni kabhoni structural simbi kana yakaderera-alloy structural simbi tambo muchubhu isina chinhu pane imwe spiral angle (inonzi forming angle), uyezve welding chubhu musono pamwechete.Inogona kugadzirwa neyakamanikana Strip simbi inobereka hombe dhayamita simbi mapaipi.Spiral welded pombi dzinonyanya kushandiswa kuoiri uye echisikigo magasi mapaipi, uye iwo mataurirwo anoratidzwa nekunze dhayamita * madziro ukobvu.Spiral welded pombi dzinogona kusungirirwa kune rimwe divi uye kumativi ese.Iyo welded pombi ichave yakavimbiswa kusangana nezvinodiwa maererano ne hydraulic test, tensile simba uye kutonhora kukotama kuita kweweld.
| Tsanangudzo | Kunze dhayamita | National mwero madziro ukobvu | Welding Management Theory Weight Table | ||
| 4Minuti | 15 | 1/2Inch | 21.25 | 2.75 | 1.26 |
| 6Minuti | 20 | 3/4Inch | 26.75 | 2.75 | 1.63 |
| 1Inch | 25 | 1Inch | 33.3 | 3.25 | 2.42 |
| 1.2Inch | 32 | 11/4Inch | 42.25 | 3.25 | 3.13 |
| 1.5Inch | 40 | 11/2Inch | 48 | 3.5 | 3.84 |
| 2Inch | 50 | 2Inch | 60 | 3.5 | 4.88 |
| 2.5Inch | 70 | 21/2Inch | 75.5 | 3.75 | 6.64 |
| 3Inch | 80 | 3Inch | 88.5 | 4.0 | 8.34 |
| 4Inch | 100 | 4Inch | 114 | 4.0 | 10.85 |
| 5Inch | 125 | 5v | 140 | 4.5 | 15.04 |
| 6Inji | 150 | 6Inji | 165 | 4.5 | 17.81 |
| 8Inch | 200 | 8Inch | 219 | 6 | 31.52 |
| Tsanangudzo | Kukora kwemadziro | Yoshige | National standard water pressure value | Ministry standard water pressure value | Tsanangudzo | Kukora kwemadziro | Yoshige | National standard water pressure value | Ministry standard water pressure value |
| 219 | 6 | 32.02 | 9.7 | 7.7 | 720 | 6 | 106.15 | 3 | 2.3 |
| 7 | 37.1 | 11.3 | 9 | 7 | 123.59 | 3.5 | 2.7 | ||
| 8 | 42.13 | 12.9 | 10.3 | 8 | 140.97 | 4 | 3.1 | ||
| 273 | 6 | 40.01 | 7.7 | 6.2 | 9 | 158.31 | 4.5 | 3.5 | |
| 7 | 46.42 | 9 | 7.2 | 10 | 175.6 | 5 | 3.9 | ||
| 8 | 52.78 | 10.3 | 8.3 | 12 | 210.02 | 6 | 4.7 | ||
| 325 | 6 | 47.7 | 6.5 | 5.2 | 820 | 7 | 140.85 | 3.1 | 2.4 |
| 7 | 55.4 | 7.6 | 6.1 | 8 | 160.7 | 3.5 | 2.7 | ||
| 8 | 63.04 | 8.7 | 6.9 | 9 | 180.5 | 4 | 3.1 | ||
| 377 | 6 | 55.4 | 5.7 | 4.5 | 10 | 200.26 | 4.4 | 3.4 | |
| 7 | 64.37 | 6.7 | 5.2 | 11 | 219.96 | 4.8 | 3.8 | ||
| 8 | 73.3 | 7.6 | 6 | 12 | 239.62 | 5.3 | 4.1 | ||
| 9 | 82.18 | 8.6 | 6.8 | 920 | 8 | 180.43 | 3.1 | 2.5 | |
| 10 | 91.01 | - | 7.5 | 9 | 202.7 | 3.5 | 2.8 | ||
| 426 | 6 | 62.25 | 5.1 | 4 | 10 | 224.92 | 3.9 | 3.1 | |
| 7 | 72.83 | 5.9 | 4.6 | 11 | 247.22 | 4.3 | 3.4 | ||
| 8 | 82.97 | 6.8 | 5.3 | 12 | 269.21 | 4.7 | 3.7 | ||
| 9 | 93.05 | 7.6 | 6 | 1020 | 8 | 200.16 | 2.8 | 2.2 | |
| 10 | 103.09 | 8.5 | 6.7 | 9 | 224.89 | 3.2 | 2.5 | ||
| 478 | 6 | 70.34 | 4.5 | 3.5 | 10 | 249.58 | 3.5 | 2.8 | |
| 7 | 81.81 | 5.3 | 4.1 | 11 | 274.22 | 3.9 | 3 | ||
| 8 | 93.23 | 6 | 4.7 | 12 | 298.81 | 4.2 | 3.3 | ||
| 9 | 104.6 | 6.8 | 5.3 | 1220 | 8 | 239.62 | - | 1.8 | |
| 10 | 115.92 | 7.5 | 5.9 | 10 | 298.9 | 3 | 2.3 | ||
| 529 | 6 | 77.89 | 4.1 | 3.2 | 11 | 328.47 | 3.2 | 2.5 | |
| 7 | 90.61 | 4.8 | 3.7 | 12 | 357.99 | 3.5 | 2.8 | ||
| 8 | 103.29 | 5.4 | 4.3 | 13 | 387.46 | 3.8 | 3 | ||
| 9 | 115.92 | 6.1 | 4.8 | 1420 | 10 | 348.23 | 2.8 | 2 | |
| 10 | 128.49 | 6.8 | 5.3 | 14 | 417.18 | 3.2 | 2.4 | ||
| 630 | 6 | 92.83 | 3.4 | 2.6 | 1620 | 12 | 476.37 | 2.9 | 2.1 |
| 7 | 108.05 | 4 | 3.1 | 14 | 554.99 | 3.2 | 2.4 | ||
| 8 | 123.22 | 4.6 | 3.6 | 1820 | 14 | 627.04 | 3.3 | 2.2 | |
| 9 | 138.33 | 5.1 | 4 | 2020 | 14 | 693.09 | - | 2 | |
| 10 | 153.4 | 5.7 | 4.5 | 2220 | 14 | 762.15 | - | 1.8 |
Ongorora: chiyero chehushumiri chinoreva SY/T5037-2000 yakajairwa.
