Bututun Tsarin Sashe Mai Fassara Don Layin Gas Na Ƙarƙashin Ƙasa
Karkace nutsewar bakabututusana amfani da su sosai wajen gina layukan iskar gas na ƙarƙashin ƙasa saboda tsarin keɓancewarsu.Ana samar da bututun ta hanyar samar da muryoyin karfe mai zafi zuwa siffa mai karkace sannan a yi musu walda ta hanyar yin walda a karkashin ruwa.Wannan yana samar da bututun baka mai ƙarfi mai ƙarfi mai ƙarfi tare da kauri iri ɗaya da ingantacciyar girma, yana mai da su manufa don jigilar iskar gas ta ƙasa.
Tebur 2 Babban Halayen Jiki da Sinadarai Na Bututun Karfe (GB/T3091-2008, GB/T9711-2011 da API Spec 5L) | ||||||||||||||
Daidaitawa | Karfe daraja | Abubuwan Sinadari (%) | Dukiyar Tensile | Charpy(V notch) Gwajin Tasiri | ||||||||||
c | Mn | p | s | Si | Sauran | Ƙarfin Haɓaka (Mpa) | Ƙarfin Tensile (Mpa) | (L0=5.65 √ S0)min Rawan Tsayi (%)) | ||||||
max | max | max | max | max | min | max | min | max | D ≤ 168.33mm | D = 168.3 mm | ||||
GB/T3091-2008 | Q215A | ≤ 0.15 | 0.25 | 1.20 | 0.045 | 0.050 | 0.35 | Ƙara Nb\VTi daidai da GB/T1591-94 | 215 |
| 335 |
| 15 | > 31 |
|
Q215B | ≤ 0.15 | 0.25-0.55 | 0.045 | 0.045 | 0.035 | 215 | 335 | 15 | > 31 | |||||
Q235A | ≤ 0.22 | 0.30 | 0.65 | 0.045 | 0.050 | 0.035 | 235 | 375 | 15 | >26 | |||||
Q235B | ≤ 0.20 | 0.30 ≤ 1.80 | 0.045 | 0.045 | 0.035 | 235 | 375 | 15 | >26 | |||||
Q295A | 0.16 | 0.80-1.50 | 0.045 | 0.045 | 0.55 | 295 | 390 | 13 | >23 | |||||
Q295B | 0.16 | 0.80-1.50 | 0.045 | 0.040 | 0.55 | 295 | 390 | 13 | >23 | |||||
Q345A | 0.20 | 1.00-1.60 | 0.045 | 0.045 | 0.55 | 345 | 510 | 13 | >21 | |||||
Q345B | 0.20 | 1.00-1.60 | 0.045 | 0.040 | 0.55 | 345 | 510 | 13 | >21 | |||||
GB/T9711-2011 (PSL1) | L175 | 0.21 | 0.60 | 0.030 | 0.030 |
| Ƙara ɗaya daga cikin abubuwan Nb\VTi ko kowane haɗin su | 175 |
| 310 |
| 27 | Za'a iya zaɓi ɗaya ko biyu daga cikin ma'aunin tauri na tasirin ƙarfin tasiri da yanki mai sausaya.Don L555, duba ma'auni. | |
L210 | 0.22 | 0.90 | 0.030 | 0.030 | 210 | 335 | 25 | |||||||
L245 | 0.26 | 1.20 | 0.030 | 0.030 | 245 | 415 | 21 | |||||||
L290 | 0.26 | 1.30 | 0.030 | 0.030 | 290 | 415 | 21 | |||||||
L320 | 0.26 | 1.40 | 0.030 | 0.030 | 320 | 435 | 20 | |||||||
L360 | 0.26 | 1.40 | 0.030 | 0.030 | 360 | 460 | 19 | |||||||
L390 | 0.26 | 1.40 | 0.030 | 0.030 | 390 | 390 | 18 | |||||||
L415 | 0.26 | 1.40 | 0.030 | 0.030 | 415 | 520 | 17 | |||||||
L450 | 0.26 | 1.45 | 0.030 | 0.030 | 450 | 535 | 17 | |||||||
L485 | 0.26 | 1.65 | 0.030 | 0.030 | 485 | 570 | 16 | |||||||
API 5L (PSL 1) | A25 | 0.21 | 0.60 | 0.030 | 0.030 |
| Don sa B karfe, Nb + V ≤ 0.03%; don karfe ≥ sa B, zaɓin ƙara Nb ko V ko haɗin su, da Nb + V + Ti ≤ 0.15% | 172 |
| 310 |
| (L0 = 50.8mm) da za a lissafta bisa ga dabara mai zuwa: e = 1944 · A0 .2 / U0 .0 A: Yankin samfurin a mm2 U: Ƙarfin ƙayyadadden ƙayyadaddun ƙarfi a cikin Mpa | Babu ko ɗaya ko duka na tasirin tasirin da yankin yanki da ake buƙata azaman ma'aunin ƙarfi. | |
A | 0.22 | 0.90 | 0.030 | 0.030 |
| 207 | 331 | |||||||
B | 0.26 | 1.20 | 0.030 | 0.030 |
| 241 | 414 | |||||||
X42 | 0.26 | 1.30 | 0.030 | 0.030 |
| 290 | 414 | |||||||
X46 | 0.26 | 1.40 | 0.030 | 0.030 |
| 317 | 434 | |||||||
X52 | 0.26 | 1.40 | 0.030 | 0.030 |
| 359 | 455 | |||||||
X56 | 0.26 | 1.40 | 0.030 | 0.030 |
| 386 | 490 | |||||||
X60 | 0.26 | 1.40 | 0.030 | 0.030 |
| 414 | 517 | |||||||
X65 | 0.26 | 1.45 | 0.030 | 0.030 |
| 448 | 531 | |||||||
X70 | 0.26 | 1.65 | 0.030 | 0.030 |
| 483 | 565 |
Ɗaya daga cikin manyan fa'idodin bututun tsari mai fa'ida shine kyakkyawan juriyar lalata su.Lokacin da aka binne a karkashin kasa, bututun iskar gas suna fuskantar danshi, sinadarai na kasa da sauran abubuwa masu lalata.An kera bututun da ke nutsewa a cikin karkace na musamman don jure wa waɗannan munanan yanayi na ƙarƙashin ƙasa, da tabbatar da dawwama da amincin bututun iskar gas.
Baya ga juriya na lalata,bututun tsari mai zurfi-sashebayar da ƙarfi da kwanciyar hankali, yana sa su dace da shigarwar ƙasa.Tsarin karkace na waɗannan bututu yana ba da kyakkyawan ƙarfin ɗaukar nauyi, yana ba su damar jure nauyin ƙasa da sauran sojojin waje ba tare da lalata tsarin tsarin su ba.Wannan yana da mahimmanci musamman a wuraren da ke da ƙalubalen ilimin ƙasa, inda bututun dole ne su iya jure motsi ƙasa da daidaitawa.
Bugu da ƙari, bututun tsarin sashe maras tushe an san su don iyawa da ingancinsu.Sun zo cikin nau'i-nau'i masu girma da kauri kuma ana iya keɓance su don biyan takamaiman buƙatun ayyukan bututun iskar gas na ƙasa.Wannan kuma yana rage buƙatar ƙarin kayan aiki da walda, yana haifar da shigarwa cikin sauri da rage farashin gabaɗaya.Halin ƙananan nauyin waɗannan bututu kuma yana sa sufuri da sarrafawa ya fi dacewa, yana ƙara ba da gudummawa ga tanadin farashi.
Lokacin da yazo ga aminci da inganci nalayukan iskar gas na karkashin kasa, Zaɓin kayan abu yana da mahimmanci.Bututun tsarin sassa mara tushe, musamman karkatattun bututun baka, suna haɗa ƙarfi, karko, juriya na lalata da ƙimar farashi, yana mai da su manufa don watsa iskar gas ta ƙasa.Ta hanyar saka hannun jari a cikin manyan bututun da aka tsara musamman don wuraren karkashin kasa, kamfanonin iskar gas za su iya tabbatar da dogaro da dorewar ababen more rayuwa yayin da suke rage farashin kulawa da gyarawa a cikin dogon lokaci.
A taƙaice, bututun gine-ginen ƙetaren ɓangarorin suna taka muhimmiyar rawa wajen gina layukan iskar gas na ƙasa.Mafi girman juriya na lalata, ƙarfi mafi girma da ƙimar farashi sun sa ya zama zaɓi na farko don ayyukan jigilar iskar gas.Ta hanyar zabar kayan da suka dace don wuraren karkashin kasa, kamfanonin iskar gas za su iya kiyaye aminci da amincin ababen more rayuwa, a ƙarshe suna taimakawa wajen isar da iskar gas ɗin da kyau ga masu amfani.