Mapaipi Ogwira Ntchito - Spiral Welded Steel Pipes
Njira yopangiraozungulira welded zitsulo mapaipiZimaphatikizapo kugwiritsa ntchito luso lapadera kupanga tizitsulo tating'ono tozungulira mozungulira kenaka timazikulunga pamodzi kupanga chitoliro cholimba.Njirayi imapanga mapaipi omwe ali ndi mphamvu zapadera komanso kukhulupirika, zomwe zimawapangitsa kukhala abwino kwambiri kuti akwaniritse zofunikira za mipope ya zimbudzi.
| Nominal Outer Diameter | Kuchuluka kwa Khoma Mwadzina (mm) | ||||||||||||||
| mm | In | 6.0 | 7.0 | 8.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 16.0 | 18.0 | 20.0 | 22.0 |
| Kulemera Pa Utali Wa Unit (kg/m) | |||||||||||||||
| 219.1 | 8-5/8 | 31.53 | 36.61 | 41.65 | |||||||||||
| 273.1 | 10-3/4 | 39.52 | 45.94 | 52.30 | |||||||||||
| 323.9 | 12-3/4 | 47.04 | 54.71 | 62.32 | 69.89 | 77.41 | |||||||||
| (325) | 47.20 | 54.90 | 62.54 | 70.14 | 77.68 | ||||||||||
| 355.6 | 14 | 51.73 | 60.18 | 68.58 | 76.93 | 85.23 | |||||||||
| (377.0) | 54.89 | 63.87 | 72.80 | 81.67 | 90.50 | ||||||||||
| 406.4 | 16 | 59.25 | 68.95 | 78.60 | 88.20 | 97.76 | 107.26 | 116.72 | |||||||
| (426.0) | 62.14 | 72.33 | 82.46 | 92.55 | 102.59 | 112.58 | 122.51 | ||||||||
| 457 | 18 | 66.73 | 77.68 | 88.58 | 99.44 | 110.24 | 120.99 | 131.69 | |||||||
| (478.0) | 69.84 | 81.30 | 92.72 | 104.09 | 115.41 | 126.69 | 137.90 | ||||||||
| 508.0 | 20 | 74.28 | 86.49 | 98.65 | 110.75 | 122.81 | 134.82 | 146.79 | 158.69 | 170.56 | |||||
| (529.0) | 77.38 | 90.11 | 102.78 | 115.40 | 127.99 | 140.52 | 152.99 | 165.43 | 177.80 | ||||||
| 559.0 | 22 | 81.82 | 95.29 | 108.70 | 122.07 | 135.38 | 148.65 | 161.88 | 175.04 | 188.17 | |||||
| 610.0 | 24 | 89.37 | 104.10 | 118.77 | 133.39 | 147.97 | 162.48 | 176.97 | 191.40 | 205.78 | |||||
| (630.0) | 92.33 | 107.54 | 122.71 | 137.83 | 152.90 | 167.92 | 182.89 | 197.81 | 212.68 | ||||||
| 660.0 | 26 | 96.77 | 112.73 | 128.63 | 144.48 | 160.30 | 176.05 | 191.77 | 207.43 | 223.04 | |||||
| 711.0 | 28 | 104.32 | 121.53 | 138.70 | 155.81 | 172.88 | 189.89 | 206.86 | 223.78 | 240.65 | 257.47 | 274.24 | |||
| (720.0) | 105.65 | 123.09 | 140.47 | 157.81 | 175.10 | 192.34 | 209.52 | 226.66 | 243.75 | 260.80 | 277.79 | ||||
| 762.0 | 30 | 111.86 | 130.34 | 148.76 | 167.13 | 185.45 | 203.73 | 211.95 | 240.13 | 258.26 | 276.33 | 294.36 | |||
| 813.0 | 32 | 119.41 | 139.14 | 158.82 | 178.45 | 198.03 | 217.56 | 237.05 | 256.48 | 275.86 | 295.20 | 314.48 | |||
| (820.0) | 120.45 | 140.35 | 160.20 | 180.00 | 199.76 | 219.46 | 239.12 | 258.72 | 278.28 | 297.79 | 317.25 | ||||
| 864.0 | 34 | 147.94 | 168.88 | 189.77 | 210.61 | 231.40 | 252.14 | 272.83 | 293.47 | 314.06 | 334.61 | ||||
| 914.0 | 36 | 178.75 | 200.87 | 222.94 | 244.96 | 266.94 | 288.86 | 310.73 | 332.56 | 354.34 | |||||
| (920.0) | 179.93 | 202.20 | 224.42 | 246.59 | 286.70 | 290.78 | 312.79 | 334.78 | 356.68 | ||||||
| 965.0 | 38 | 188.81 | 212.19 | 235.52 | 258.80 | 282.03 | 305.21 | 328.34 | 351.43 | 374.46 | |||||
| 1016.0 | 40 | 198.87 | 223.51 | 248.09 | 272.63 | 297.12 | 321.56 | 345.95 | 370.29 | 394.58 | 443.02 | ||||
| (1020.0) | 199.66 | 224.39 | 249.08 | 273.72 | 298.31 | 322.84 | 347.33 | 371.77 | 396.16 | 444.77 | |||||
| 1067.0 | 42 | 208.93 | 234.83 | 260.67 | 286.47 | 312.21 | 337.91 | 363.56 | 389.16 | 414.71 | 465.66 | ||||
| 118.0 | 44 | 218.99 | 246.15 | 273.25 | 300.30 | 327.31 | 354.26 | 381.17 | 408.02 | 343.83 | 488.30 | ||||
| 1168.0 | 46 | 228.86 | 257.24 | 285.58 | 313.87 | 342.10 | 370.29 | 398.43 | 426.52 | 454.56 | 510.49 | ||||
| 1219.0 | 48 | 238.92 | 268.56 | 298.16 | 327.70 | 357.20 | 386.64 | 416.04 | 445.39 | 474.68 | 553.13 | ||||
| (1220.0) | 239.12 | 268.78 | 198.40 | 327.97 | 357.49 | 386.96 | 146.38 | 445.76 | 475.08 | 533.58 | |||||
| 1321.0 | 52 | 291.20 | 323.31 | 327.97 | 387.38 | 449.34 | 451.26 | 483.12 | 514.93 | 578.41 | |||||
| (1420.0) | 347.72 | 355.37 | 416.66 | 451.08 | 485.41 | 519.74 | 553.96 | 622.32 | 690.52 | ||||||
| 1422.0 | 56 | 348.22 | 382.23 | 417.27 | 451.72 | 486.13 | 520.48 | 554.97 | 623.25 | 691.51 | 759.58 | ||||
| 1524.0 | 60 | 373.38 | 410.44 | 447.46 | 484.43 | 521.34 | 558.21 | 595.03 | 688.52 | 741.82 | 814.91 | ||||
| (1620.0) | 397.03 | 436.48 | 457.84 | 515.20 | 554.46 | 593.73 | 623.87 | 711.11 | 789.12 | 867.00 | |||||
| 1626.0 | 64 | 398.53 | 438.11 | 477.64 | 517.13 | 556.56 | 595.95 | 635.28 | 713.80 | 792.13 | 870.26 | ||||
| 1727.0 | 68 | 423.44 | 465.51 | 507.53 | 549.51 | 591.43 | 633.31 | 675.13 | 758.64 | 841.94 | 925.05 | ||||
| (1820.0) | 446.37 | 492.74 | 535.06 | 579.32 | 623.50 | 667.71 | 711.79 | 799.92 | 887.81 | 975.51 | |||||
| 1829.0 | 72 | 493.18 | 626.65 | 671.04 | 714.20 | 803.92 | 890.77 | 980.39 | |||||||
| 1930.0 | 76 | 661.52 | 708.40 | 755.23 | 848.75 | 942.07 | 1035.19 | ||||||||
| (2020.0) | 692.60 | 741.69 | 790.75 | 888.70 | 986.41 | 1084.02 | |||||||||
| 2032.0 | 80 | 696.74 | 746.13 | 795.48 | 894.03 | 992.38 | 1090.53 | ||||||||
| (2220.0) | 761.65 | 815.68 | 869.66 | 977.50 | 1085.80 | 1192.53 | |||||||||
| (2420.0) | 948.58 | 1066.26 | 1183.75 | 1301.04 | |||||||||||
| (2540.0) | 100 | 995.93 | 1119.53 | 1242.94 | 1366.15 | ||||||||||
| (2845.0) | 112 | 1116.28 | 1254.93 | 1393.37 | 1531.63 | ||||||||||
Mmodzi mwa ubwino waukulu wa ozungulira welded zitsulo chitoliro ndi luso kupirira misinkhu mkulu wa kuthamanga mkati ndi kunja.Izi zimawapangitsa kukhala abwino potumiza zimbudzi ndi madzi otayira, popeza mapaipi amatha kupanikizika nthawi zonse ndikuyenda.Kuonjezera apo, mkati mosalala mkati mwa mipopeyi imapangitsa kuti madzi asamayende bwino, kuchepetsa chiopsezo cha blockages ndi zotchinga mkati.dongosolo la pipeni.
Kuphatikiza apo, mipope yachitsulo yozungulira yozungulira imakhala ndi kukana kwambiri kwa dzimbiri ndi zinthu zina zachilengedwe.Izi ndizofunikira makamaka pazimbudzi pomwe mapaipi amakumana ndi zinthu zowononga komanso zaukali.Kulimba kwa mapaipiwa kumatsimikizira moyo wautali wautumiki, kuchepetsa kufunika kosinthidwa pafupipafupi ndi kukonzanso, ndipo pamapeto pake kumabweretsa kupulumutsa ndalama kwa ogwira ntchito zonyansa.
Kuphatikiza pa kulimba ndi kukana, chitoliro chachitsulo chozungulira chimakhala chosunthika kwambiri ndipo chikhoza kusinthidwa kuti chikwaniritse zofunikira za polojekiti.Amapezeka mumitundu yosiyanasiyana ndi makulidwe, kulola kusinthasintha ndi kuyika.Kaya ndi pulojekiti yaying'ono yokonzanso kapena kukulitsa njira zonyansa, mapaipiwa amatha kusinthidwa kuti akwaniritse zosowa zapadera za pulogalamuyo.
Kuyika bwino kwa chitoliro cha spiral welded kumathandizanso kuwongolera bwino kwa makina anu opopera otayira.Ndi mapangidwe awo opepuka komanso kuwongolera kosavuta, mapaipiwa amatha kukhazikitsidwa mwachangu komanso mosatekeseka, kuchepetsa nthawi yomanga komanso ndalama zogwirira ntchito.Izi ndizothandiza makamaka m'matauni momwe malo ndi nthawi ndizofunikira kwambiri.
Kuphatikiza apo, zowotcherera zosalala komanso zofananira zamapaipi opangidwa ndi spiral welded zimawonetsetsa kuti zisatayike, zimateteza kutayika kwa zimbudzi zamtengo wapatali ndi madzi onyansa, komanso kuchepetsa chiwopsezo cha kuipitsidwa kwa chilengedwe.Kudalirika kumeneku n'kofunika kwambiri kuti pakhale kukhulupirika kwa kayendedwe ka zonyansa ndikuwonetsetsa kuyenda kwamadzimadzi kotetezeka komanso koyenera.
Monga kupita patsogolo kwaukadaulo ndi zida zikupitilira kuyendetsa luso pantchito yomanga, chitoliro chachitsulo chowotchedwa spiral chimakhalabe gawo lofunikira pakukulitsa ndi kukonza makina opopera a ngalande.Kuchita kwawo kotsimikizika, kulimba komanso kusinthasintha kumawapangitsa kukhala chisankho chofunikira kwambiri kwa mainjiniya ndi opanga omwe ali ndi udindo wopanga zomangamanga zokhazikika komanso zolimba.
Mwachidule, kugwiritsa ntchito mapaipi achitsulo ozungulira ozungulira kumathandiza kupanga mapaipi amphamvu komanso ogwira mtima.Mphamvu zawo zapadera, kulimba kwawo komanso kukana dzimbiri, kuphatikiza kusinthasintha kwawo komanso kusavuta kuziyika, zimawapangitsa kukhala abwino potumiza zimbudzi ndi madzi onyansa.Pamene kufunikira kwa zomangamanga zodalirika komanso zokhazikika zamadzi otayirira zikupitilira kukula, chitoliro chachitsulo chowotchedwa spiral chidzapitiriza kugwira ntchito yofunika kwambiri pokwaniritsa zofunika izi.
