Filastik mai rufi ciki da waje da bututu mai hade
Filastik mai rufi ciki da waje hada bututu, ciki da waje mai rufi filastik kumshin bututu wani nau'in bututun filastik na ƙarfe ne wanda ya ƙunshi Layer na 0.5 ~ 1.0mm polyethylene (PE) guduro, ethylene-acrylic acid copolymer (EAA), epoxy ( EP) foda, polypropylene ba mai guba (PP) ko polyvinyl chloride mai guba (PVC) da sauran kwayoyin halitta da aka narkar da su a cikin bangon ciki na bututu.
Filastik mai rufi ciki da waje hada bututu, Yana ba kawai yana da abũbuwan amfãni daga high ƙarfi karfe bututu, sauki dangane, ruwa tasiri juriya, amma kuma shawo kan karfe bututu ruwa lalata, gurbatawa, scaling da filastik bututu ƙarfi ba high, matalauta wuta yi. da sauran kasawa, tsara rayuwa har zuwa shekaru 50.Babban hasara shi ne cewa shigarwa ba za a lankwasa, zafi aiki da waldi da yankan ayyuka, yankan surface aikace-aikace masana'antun sanye take da wadanda ba mai guba al'ada zazzabi curing m shafi.Babban ƙayyadaddun bayanai shine φ 15 - φ 100.
Filastik mai rufi ciki da waje da bututu mai hade, Manyan samfuran sun kasu zuwa:GS - - X - SP - T - EP, GS - - SP - T - EP, GS - - D - SP - T - EP (PE)
Rufaffen Filastik Ciki Da Waje Bututu Haɗaɗɗen, Madaidaici
Bututun ƙarfe tare da ma'auni na ƙasa: GB/T3091-2001;Matsayin masana'antu na bututun ƙarfe mai haɗaɗɗun filastik: CJ/T120-2008;Matsayin masana'antu na bututun ƙarfe mai haɗaɗɗiyar filastik: CJ/T136-2007;Ƙarfafawar thermal: 65 W / (mK);Ƙididdigar fadada layin layi: 65 1/K;Ƙarfe-roba mai haɗawa bututu: GB/T 28897-2012;
Rufaffen Filastik Ciki da Waje Bututu Haɗaɗɗen, Fa'idodin Samfur
Tare da ƙarfin injiniya mai ƙarfi, dace da yanayi mai zafi;
Rubutun ciki da na waje na iya hana iskar oxygenation na ƙarfe kuma yana da kyakkyawan juriya na lalata sinadarai.
Rufin yana da mannewa mai ƙarfi, ƙarfin haɗin gwiwa mai ƙarfi da juriya mai kyau.
Low roughness coefficient da gogayya coefficient, m juriya ga kasashen waje manne;
Anti tsufa, tsawon rayuwar sabis, musamman dacewa da isar da ruwa da aka binne.
Rufaffen Filastik Ciki da Waje Bututun Haɗaɗɗen, Hanyoyin Bincike
Dubawa na gani
Duban gani da gani ingancin bututun ƙarfe mai rufi, kuma sakamakon gwajin zai bi ka'idodin 5.1.
Auna kauri
Ana ɗaukar sassan giciye guda biyu na tsayi daban-daban daga duka ƙarshen bututun ƙarfe mai rufi.A kowane sashe na giciye, kauri mai rufi a kowane maki huɗu kai tsaye da ke tsaka da kewaye ana auna shi tare da ma'aunin kauri na lantarki.Sakamakon gwajin zai dace da tanadi na 5.4.
Gwajin Pinhole
Tsawon samfurin sashin bututu yana da kusan 1000 mm.Ana duba rufin bututun ƙarfe ta hanyar gano ɓarna mai walƙiya a ƙarƙashin ƙayyadadden ƙarfin gwaji.Kauri kauri bai wuce 0.4mm, ƙarfin gwajin shine 1500 V, kauri mai rufi ya fi 0.4mm, ƙarfin gwajin shine 2000 V. Duba ko an haifar da tartsatsin lantarki kuma sakamakon gwajin yakamata ya dace da 5.5.
Gwajin mannewa
Za a gudanar da gwajin adhesion bisa ga 7.4.2 na CJ/T 120-2008, kuma sakamakon gwajin zai dace da 5.6.
Lankwasawa gwajin
Lanƙwasa gwajin ga mai rufi karfe bututu DN≤50mm.Tsawon samfurin sashin bututu shine (1200 ± 100) mm.
A zafin jiki na (20± 5) ℃, 8 sau na maras muhimmanci diamita na karfe bututu a matsayin radius na curvature, lankwasawa Angle na 30O, lankwasawa a kan bututu lankwasa ko mutu.Lokacin lankwasawa gwajin, babu wani filler a cikin bututu, kuma weld yana a gefen babban lanƙwasawa.
Bayan gwajin, yanke samfurin daga tsakiyar baka mai lankwasa don duba rufin ciki, kuma sakamakon gwajin ya kamata ya dace da tanadi na 5.7.
Gwajin lallashi
DN> The 50 mm mai rufi bututu karfe za a matsa.Tsawon samfurin sashin bututu shine (50± 10) mm.
An sanya samfurin a tsakanin faranti biyu a zafin jiki na (20± 5) ℃, kuma a hankali an matsa shi akan injin gwajin matsa lamba har sai nisa tsakanin faranti biyu ya kasance kashi hudu cikin biyar na diamita na waje na samfurin.Ƙunƙarar ɗinkin bututun ƙarfe mai rufi ya kasance daidai da alkiblar aikace-aikacen lodi.Bayan gwajin, za a bincika murfin ciki kuma sakamakon gwajin zai dace da 5.8.
Gwajin tasiri
An yanke samfurin kimanin 100 mm a tsayi daga kowane matsayi na bututun ƙarfe mai rufi, kuma an gudanar da gwajin tasiri bisa ga tanadi a cikin Table 2 a zafin jiki na (20 ± 5) ℃ don lura da lalacewar ciki na ciki. .A lokacin gwajin, weld ɗin zai kasance a cikin kishiyar tasirin tasirin tasirin, kuma sakamakon gwajin zai bi ka'idodin 5.9.
Tebur 2 Yanayin gwajin tasiri
Diamita mara kyau DN
Mm nauyin guduma, tsayin faɗuwar kg, mm
15-251.0300
32 ~ 502.1500
80 ~ 3006.31000
Na'urar gwajin tasiri
Gwajin Vacuum
Tsawon samfurin sashin bututu shine (500 ± 50) mm.Yi amfani da matakan da suka dace don toshe mashigai da fitarwa na bututu, kuma a hankali ƙara mummunan matsa lamba daga mashigar zuwa 660 mm hg, kiyaye shi don 1 min.Bayan gwajin, duba murfin ciki, kuma sakamakon gwajin ya kamata ya bi ka'idodin 5.10.
Gwajin zafin jiki mai girma
Tsawon samfurin sashin bututu ya kasance (100 ± 10) mm.An sanya samfurin a cikin incubator kuma yayi zafi zuwa (300± 5) ℃ na 1 h.Sa'an nan kuma an cire shi kuma an sanyaya shi ta dabi'a zuwa yanayin zafi na al'ada.Bayan gwajin, fitar da samfurin kuma duba rufin ciki (an ba da izinin bayyanar duhu da duhu), kuma sakamakon gwajin ya kamata ya bi 5.11.
Gwajin ƙarancin zafin jiki
Samfurin sashin bututu ya kasance na (100±10) mm cikin girman da tsayi.An sanya samfurin a cikin ɗakin cryogenic, sanyaya zuwa (-30 ± 2) ℃ kuma an ajiye shi a yawan zafin jiki na 1 h.Sannan an cire shi kuma a sanya shi a zazzabi na (20± 5) ℃ na (4-7) h.A ƙarshen lokacin gwajin, za a fitar da samfurin don bincika rufin ciki, kuma za a yi gwajin adhesion bisa ga tanadi na 6.4, kuma sakamakon gwajin zai dace da tanadi na 5.12.
Gwajin zagayowar matsi
Tsawon samfurin sashin bututu ya kasance (500± 50) mm.An yi amfani da matakan da suka dace don toshe hanyar shiga da fitarwa na bututu, kuma an haɗa bututun tare da tsarin samar da ruwa.An cika ruwa don cire iska, sannan 3000 a madadin gwaje-gwaje na hydrostatic daga (0.4 ± 0.1) MPa zuwa MPa an gudanar da su, kuma lokacin kowane gwajin bai wuce 2 s ba.Bayan gwajin, za a bincika murfin ciki kuma za a yi gwajin adhesion bisa ga tanadi na 6.4, kuma sakamakon gwajin zai dace da tanadi na 5.13.
Gwajin zagayowar yanayin zafi
Tsawon samfurin sashin bututu ya kasance (500± 50) mm.An sanya samfuran na sa'o'i 24 a kowane zafin jiki a cikin tsari mai zuwa:
(50± 2) ℃;
(-10± 2) ℃;
(50± 2) ℃;
(-10± 2) ℃;
(50± 2) ℃;
(-10± 2) ℃.
Bayan gwajin, an sanya samfurin a cikin yanayi mai zafin jiki na (20± 5) ℃ na sa'o'i 24.An duba murfin ciki kuma an yi gwajin adhesion bisa ga tanadi na 6.4.Sakamakon gwajin ya kamata ya dace da tanadi na 5.14.
Gwajin tsufa na ruwa mai dumi
Girman da tsayin samfurin sashin bututu yana da kusan 100 mm.Abubuwan da aka fallasa a duka ƙarshen ɓangaren bututu ya kamata a bi da su tare da anticorrosion.Ya kamata a jiƙa sashin bututu a cikin ruwa mai narkewa a (70± 2) ℃ na kwanaki 30.
Ƙayyadaddun bayanai
| Abu | Filastik mai rufi ciki da waje da bututu mai hade |
| Kayan abu | SPHC, Q195,Q215,Q235,Q345,SAE1010,SAE1020, API Standard abu, ASTM A53 A,B |
| OD | 10-1219 (1/8'-48') |
| WT | 0.7-13 |
| Tsawon | 2m-12m ko kamar yadda ta abokan ciniki' bukata |
| Hakuri mai kauri | + 5% - |
| Surface | mai / fenti |
| Ƙarshen bututu | Ƙarshen Ƙarshen Ƙarshen Ƙarshe / Zare tare da haɗawa da hula |
| Alama | Kamar yadda ta abokin ciniki ta bukata |
| Sdandard | ASTM/BS EN/DIN/GB |
| Takaddun shaida | ISO, BV, API |
| ODM/OEM | samuwa |
| Matsayi | ASTM A53,BS1387-1985,GB/T3091-2001,GB/T13793-92,GB/T6728-2002 |
| Kayayyaki | Q195,Q215,Q235,Q345 |
| Dabaru | Welded |
| Amfani | Mechanical & ƙera, Tsarin Karfe, Ginin Jirgin Ruwa, Gada, Mota Chassis |
Ƙungiya Na Material
| Daraja | C | Mn | Si | S | P | UTS (MPa) | YS (MPa) | EI(%) |
| Q235B | 0.12-0.20 | 0.30-0.70 | 0.30 | 0.045 | 0.045 | 375-500 | 235 | 26 |
| Q345B | 0.12-0.20 | 1.20-1.60 | 0.20-0.55 | ≤0.045 | ≤0.045 | 510-600 | 345 | 22 |
| 20#(GB) | 0.17-0.23 | 0.38-0.65 | 0.17-0.37 | ≤0.030 | ≤0.030 | 410-550 | ≥245 | ≥20 |
| HDPE PIPE JESUS | |||||||||
| Dia | karkata | 0.4Mpa | 0.5Mpa | 0.6Mpa | 0.8Mpa | 1.0Mpa | 1.25Mpa | 1.6MPa | 2.0Mpa |
| Kauri | Kauri | Kauri | Kauri | Kauri | Kauri | Kauri | Kauri | ||
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm |
| 16 | 0.3 | 2.3 | |||||||
| 20 | 0.3 | 2.3 | 2.3 | ||||||
| 25 | 0.3 | 2.3 | 2.3 | 3 | |||||
| 32 | 0.3 | 2.3 | 2.4 | 3 | 3.6 | ||||
| 40 | 0.4 | 2.3 | 2.4 | 3 | 3.7 | 4.5 | |||
| 50 | 0.4 | 2.3 | 2.4 | 3 | 3.7 | 4.6 | 5.6 | ||
| 63 | 0.4 | 2.5 | 3 | 3.8 | 4.7 | 5.8 | 7.1 | ||
| 75 | 0.5 | 2.9 | 3.6 | 4.5 | 5.6 | 6.8 | 8.4 | ||
| 90 | 0.6 | 3.5 | 4.3 | 5.4 | 6.7 | 8.2 | 10.1 | ||
| 110 | 0.7 | 4.2 | 5.3 | 6.6 | 8.1 | 10 | 12.3 | ||
| 125 | 0.8 | 4.8 | 6 | 7.4 | 9.2 | 11.4 | 14 | ||
| 140 | 0.9 | 5.4 | 6.7 | 8.3 | 10.3 | 12.7 | 15.7 | ||
| 160 | 1 | 6.2 | 7.7 | 9.5 | 11.8 | 14.6 | 17.9 | ||
| 180 | 1.1 | 6.9 | 8.6 | 10.7 | 13.3 | 16.4 | 20.1 | ||
| 200 | 1.2 | 7.7 | 9.6 | 11.9 | 14.7 | 18.2 | 22.4 | ||
| 225 | 1.4 | 8.6 | 10.8 | 13.4 | 16.6 | 16.6 | 25.2 | ||
| 250 | 1.5 | 9.6 | 11.9 | 14.8 | 18.4 | 22.7 | 27.9 | ||
| 280 | 1.7 | 10.7 | 13.4 | 16.6 | 20.6 | 25.4 | 31.3 | ||
| 315 | 1.9 | 7.7 | 9.7 | 12.1 | 15 | 18.7 | 23.2 | 28.6 | 35.2 |
| 355 | 2.2 | 8.7 | 10.9 | 13.6 | 16.9 | 21.1 | 26.1 | 32.2 | 39.7 |
| 400 | 2.4 | 9.8 | 12.3 | 15.3 | 19.1 | 23.7 | 29.4 | 36.3 | 44.7 |
| 450 | 2.7 | 11 | 13.8 | 17.2 | 21.5 | 26.7 | 33.1 | 40.9 | 50.3 |
| 500 | 3 | 12.3 | 15.3 | 19.1 | 23.9 | 29.7 | 36.8 | 45.4 | 55.8 |
| 560 | 3.4 | 13.7 | 17.2 | 21.4 | 26.7 | 33.2 | 41.2 | 50.8 | 62.5 |
| 630 | 3.8 | 15.4 | 19.3 | 24.1 | 30 | 37.4 | 46.3 | 57.2 | 70.3 |
| 710 | 6.4 | 17.4 | 21.8 | 27.2 | 33.9 | 42.1 | 52.2 | 64.5 | 79.3 |
| 800 | 7.2 | 19.6 | 24.5 | 30.6 | 38.1 | 47.4 | 58.8 | 72.6 | 89.3 |
| 900 | 8.1 | 22 | 27.6 | 34.4 | 42.9 | 53.3 | 66.2 | 81.7 | |
| 1000 | 9 | 24.5 | 30.6 | 38.2 | 47.7 | 59.3 | 72.5 | 90.2 | |
Nuni samfurin
