EN
ERW Karfe bututu don ɓarkewar birni
Madaidaicin bututun ƙarfe na kabu don ɓarkewar birni bututun ƙarfe ne na musamman da ake amfani da shi wajen aikin haƙowa a cikin kogunan birane, tashoshin jiragen ruwa, hanyoyin ruwa da sauran ruwaye. Ana amfani da su musamman don jigilar laka, laka da sauran tarkace masu gauraya.
Madaidaicin bututun ƙarfe na kabu don ɓarkewar birni bututun ƙarfe ne na musamman da ake amfani da shi wajen aikin haƙowa a cikin kogunan birane, tashoshin jiragen ruwa, hanyoyin ruwa da sauran ruwaye. Ana amfani da su musamman don jigilar laka, laka da sauran tarkace masu gauraya.
Anan akwai wasu mahimman bayanai game da bututun ƙarfe na madaidaiciyar kabu don bushewar birane:
Tsarin masana'antu: Madaidaicin bututun ƙarfe na kabu don ɓarkewar birni galibi ana samar da su ta amfani da fasahar walda mai zurfi, wanda zai iya tabbatar da daidaito da yawa na weld.
Filayen aikace-aikacen: Ana amfani da su sosai wajen hako rairayin bakin teku, koguna, da magudanan ruwa, ayyukan kiyaye muhalli na birane, da gine-gine da share fage na ramukan bututun ruwa daban-daban.
Fasalolin fasaha: Madaidaicin bututun karfe na kabu suna da kyaun tauri da filastik, babban diamita na bututu, bangon bututu mai kauri, juriya mai ƙarfi, ƙarancin zafin jiki, da juriya na lalata. Sun dace da jigilar laka mai ɗauke da tsayayyen barbashi a cikin ayyukan bushewa.
Daidaita kayan aiki: Ana yawan amfani da bututun ƙarfe madaidaiciya madaidaiciya tare da kayan aikin inji kamar magudanar ruwa. Akwai nau'ikan dredgers guda biyu: inji da na'ura mai aiki da karfin ruwa. Daga cikin su, ma'adinan ruwa na ruwa suna zubar da laka da ruwa mai ƙarfi ko amfani da reamers da rake kan laka don yanke laka. , sa'an nan kuma amfani da famfo na laka don tsotse laka ta cikin bututun ƙarfe mai zurfafawa.
Ka'idoji: Samar da bututun ƙarfe na madaidaiciya ya kamata ya bi ka'idodin ƙasa masu dacewa, kamar GB/T 13793-2016 "Madaidaicin bututun ƙarfe mai walƙiya na lantarki".
Bukatar kasuwa: Tare da haɓaka haɓakar birane da haɓaka buƙatun kariyar muhalli, buƙatar madaidaiciyar bututun ƙarfe a cikin ayyukan bushewar birane na ci gaba da haɓaka.
Na Tattalin Arziki: Ana amfani da bututun ƙarfe madaidaiciya madaidaiciya a cikin ayyukan ɓarkewar birni saboda farashi mai araha.
Bukatun inganci: Bututun ƙarfe da aka bushe suna buƙatar saduwa da wasu ƙa'idodi masu inganci, gami da kaddarorin injin bututu, daidaiton girman da ingancin walda.
A takaice dai, madaidaiciyar bututun karfe na kabu don rarrabuwar kawuna na taka muhimmiyar rawa a cikin ayyukan rarrabuwar kawuna saboda kyakkyawan aikinsu da tattalin arzikinsu.
| MALAMI | marufi | BS1387 | ASTM A53 | ||||||||||
| INCH | DN | MM | manyan | KYAUTATA | OD | W,T (MM) | WT (MM) 实做 | OD | WT (MM) | ||||
| KA'IDA | HAKIKA | inji mai kwakwalwa | MM | A | HAKIKA | B | HAKIKA | MM | SCH40 | HAKIKA | |||
| 1 / 2 " | 15 | 20 | 21.3 | 217 | 169 | 21.3 | 2.00 | 1.80 | 2.60 | 2.50 | 21.3 | 2.77 | 2.50 |
| 3 / 4 " | 20 | 25 | 26.9 | 169 | 127 | 26.9 | 2.30 | 2.20 | 2.60 | 2.50 | 26.7 | 2.87 | 2.75 |
| 1 " | 25 | 32 | 33.4 | 127 | 91 | 33.7 | 2.60 | 2.50 | 3.20 | 3.00 | 33.4 | 3.38 | 3.00 |
| 11 / 4 " | 32 | 40 | 42.4 | 91 | 61 | 42.4 | 2.60 | 2.50 | 3.20 | 3.00 | 42.2 | 3.56 | 3.25 |
| 11 / 2 " | 40 | 47 | 48.3 | 91 | 61 | 48.3 | 2.90 | 2.75 | 3.20 | 3.00 | 48.3 | 3.68 | 3.25 |
| 2 " | 50 | 58 | 60.3 | 61 | 37 | 60.3 | 2.90 | 2.75 | 3.60 | 3.50 | 60.3 | 3.91 | 3.50 |
| 2 1/2 ” | 65 | 73 | 76.1 | 37 | 19 | 76.1 | 3.20 | 3.00 | 3.60 | 3.50 | 73 | 5.16 | 4.75 |
| 3 " | 80 | 87 | 88.9 | 37 | 19 | 88.9 | 3.20 | 3.00 | 4.00 | 3.75 | 88.9 | 5.49 | 5.00 |
| 4 " | 100 | 113 | 114.3 | 19 | 19 | 114.3 | 3.60 | 3.50 | 4.50 | 4.25 | 114.3 | 6.02 | 5.50 |
| 5 " | 125 | 140 | 19 | 10 | 139.7 | - | - | 5.00 | 4.75 | 141.3 | 6.55 | 6.00 | |
| 6 " | 150 | 165 | 19 | 7 | 165 | - | - | 5.00 | 4.75 | 168.3 | 7.11 | 6.50 | |
| 8 " | 200 | 219 | 7 | 5 | 219.1 | - | - | - | - | 219.3 | 8.18 | 7.50 | |
| 10 " | 250 | 273 | 5 | 3 | 273 | - | - | - | - | 273 | 9.27 | 8.50 | |
| 12 " | 300 | 325 | 3 | 3 | 325 | - | - | - | - | 323.9 | 10.31 | 9.50 | |
