Caag ku dahaadhay gudaha iyo dibadda dhuumaha isku dhafan
Dhuumaha caagga ah ee gudaha iyo dibaddaba ku dahaadhay tuubada isku dhafan ee gudaha iyo dibadda waa nooc ka mid ah tuubooyinka caagga ah ee isku dhafan ee ka samaysan lakabka 0.5 ~ 1.0mm polyetylen (PE), kobolymer ethylene-acrylic acid (EAA), epoxy ( EP) budada, polypropylene aan sun ahayn (PP) ama polyvinyl chloride (PVC) iyo waxyaabo kale oo dabiici ah oo ku milmay gidaarka gudaha ee tuubada.
Caaga ku dahaadhay gudaha iyo dibadda tuubo isku dhafan, Ma aha oo kaliya faa'iidooyinka birta birta xoogga sare, xidhiidh fudud, iska caabin biyaha, laakiin sidoo kale ka adkaan biibiile birta biyaha daxalka, wasakh, qolof iyo xoog tuubo caag ah ma aha sare, waxqabadka dab liidata iyo cilladaha kale, naqshadeynta nolosha ilaa 50 sano.Khasaaraha ugu weyni waa in rakibaadda aan la leexin, shaqo kulul iyo alxanka iyo jarista hawlgallada, jarista soosaarayaasha codsiga dusha sare leh oo aan sun ahayn heerkulka caadiga ah ee daahan.Tilmaamaha ugu muhiimsan waa φ 15 - φ 100.
Caag ku dahaadhay gudaha iyo dibadda tuubooyinka isku dhafan, moodooyinka ugu waaweyn waxaa loo qaybiyaa:GS - - X - SP - T - EP, GS - - SP - T - EP, GS - - D - SP - T - EP (PE)
Caag ku Dahaaran Gudaha iyo Dibadda Dhuumaha Isku-dhafka ah, Heerka
Dhuumaha birta oo tixraacaya heerka qaranka: GB/T3091-2001;Heerka warshadaha ee tuubada birta isku dhafan ee balaastigga ah: CJ/T120-2008;Heerka warshadaha ee tuubada birta isku dhafan ee caag ah: CJ/T136-2007;Dhaqdhaqaaqa kuleylka: 65 W / (mK);Isku xidhka fidinta tooska ah: 65 1/K;Tuubbooyinka isku dhafan ee birta-caag ah: GB/T 28897-2012;
Caaga ku Dahaaran Gudaha iyo Dibada Tubbooyinka Isku-dhafka ah, Faa'iidooyinka Alaabta
Awood farsamo oo sare leh, oo ku habboon jawi adag;
Daahan gudaha iyo dibadda ah ayaa ka hortagi kara oksaydheynta birta waxayna leedahay caabbinta daxalka kiimikada wanaagsan.
Dahaarka ayaa leh adhesion xoog leh, xoog isku xirnaanta sare iyo iska caabbinta saameyn wanaagsan.
Iskuxidhka qallafsanaanta hooseeya iyo isku-dhafka is-burburinta, iska caabin heer sare ah oo ku dheggan jirka shisheeye;
Anti gabowga, adeeg cimri dheer, gaar ahaan ku habboon gaarsiinta biyaha la aasay.
Caaga ku Dahaaran Gudaha iyo Dibadda Tubbooyinka Isku-dhafka ah, Hababka Baaritaanka
Kormeer muuqaal ah
Si muuqaal ah u baadh tayada muuqaalka tuubada birta ah ee dahaarka leh, natiijada imtixaankuna waa inay u hoggaansamaan qodobada 5.1.
Cabbirka dhumucda
Laba qaybood oo isdhaaf ah oo dhererkoodu kala duwan yahay ayaa laga soo qaaday labada daraf ee tuubada birta ah ee dahaarka leh.Qayb kasta oo iskutallaabta ah, dhumucda dahaarka ee afarta dhibcood ee si toos ah iskaga gudba wareegga waxa lagu cabbiraa cabbirka dhumucda korantada.Natiijooyinka imtixaanku waa inay waafaqsan yihiin qodobada 5.4.
Tijaabada Pinhole
Dhererka muunada qaybta tuubada waa qiyaastii 1000 mm.Dahaarka tuubada birta waxaa lagu fiiriyaa sheeyaha dillaacay ee hoos yimaada tamarta tijaabada ee la cayimay.Dhumucda dahaarka waa in ka yar 0.4mm, danab imtixaanku waa 1500 V, dhumucdiisuna waxay ka badan tahay 0.4mm, iyo danab imtixaanku waa 2000 V. Hubi in dhimbi koronto la dhaliyo iyo natiijada imtixaanka waa in ay waafaqsan 5.5.
Tijaabada adhesion
Tijaabada adhesion-ka waa in la sameeyaa si waafaqsan 7.4.2 ee CJ/T 120-2008, natiijaduna waa inay waafaqsan tahay 5.6.
Imtixaanka foorarsiga
Laabi tijaabada tuubada birta dahaarka leh DN≤50mm.Dhererka saamiga qaybta tuubada waa (1200 ± 100) mm.
Heerkulka (20 ± 5) ℃, 8 jeer dhexroorka magacaaban ee birta birta ah sida radius of curvature, foorarsiga xagasha 30O, foorarsiga ku dhejinta tuubada ama dhinta.Markaad foorarsato tijaabada, ma jiro wax buuxinaya oo ku jira tuubada, alxanka ayaa ku yaal dhinaca dusha sare ee foorarsiga.
Imtixaanka ka dib, ka jar muunada badhtamaha qaansada qaloocan si aad u hubiso dahaarka gudaha, natiijooyinka imtixaankuna waa inay raacaan qodobada 5.7.
Tijaabada fidsan
DN> Tuubada birta ah ee dahaarka leh ee 50mm waa in la cadaadiyo.Dhererka muunada qaybta tuubooyinka waa (50 ± 10) mm.
Muunadda waxa la dhex dhigay laba taariko oo heerkulkeedu yahay (20±5) ℃, waxaana si tartiib tartiib ah loogu riixay mishiinka tijaabada cadaadiska ilaa masaafada u dhaxaysa labada taarikada ay tahay afar-meelood afar meel dhexroorka muunada.Tolmada alxanka ah ee tuubada birta dahaarka leh waxay ahayd mid toosan dhanka jihada codsiga.Baaritaanka ka dib, dahaarka gudaha waa in la hubiyaa natiijada imtixaankuna waa in ay u hoggaansamaan 5.8.
Tijaabada saamaynta
Muunad ku saabsan dhererka 100 mm ayaa laga gooyay meel kasta oo ka mid ah tuubada birta ah ee dahaarka leh, tijaabada saameynta waxaa la sameeyay iyadoo loo eegayo qodobbada Shaxda 2 ee heerkulka (20 ± 5) ℃ si loo ilaaliyo dhaawaca dahaarka gudaha. .Inta lagu jiro imtixaanka, alxanka waa in uu ahaado jihada ka soo horjeeda dusha saamaynta, iyo natiijada imtixaanku waa in ay u hoggaansamaan qodobada 5.9.
Shaxda 2 Xaaladaha tijaabada saamaynta
Dhexroorka magacaaban ee DN
Mm culeeska dubbe, kg hoos u dhaca dhererka, mm
15-251.0300
32 ~ 502.1500
80 ~ 3006.31000
Qalabka tijaabada saamaynta
Baaritaanka faakuumka
Dhererka muunada qaybta tuubada waa (500± 50) mm.Isticmaal tallaabooyinka ku habboon si aad u xannibto meesha laga soo galo iyo tuubada, oo si tartiib tartiib ah u kordhi cadaadiska taban ee gudaha ilaa 660 mm hg, ku hay 1 daqiiqo.Imtixaanka ka dib, hubi dahaarka gudaha, iyo natiijada imtixaanku waa in ay u hoggaansamaan qodobada 5.10.
Tijaabada heerkulka sare
Dhererka muunada qaybta tuubada waxay ahayd (100± 10) mm.Muunada waxaa la dhex geliyey kubatarka oo lagu kululeeyey (300±5) 1 saac.Kadibna waa la saaray oo si dabiici ah loo qaboojiyey heerkul caadi ah.Baaritaanka ka dib, soo saar muunada oo hubi dahaarka gudaha (muuqaalka madow iyo madow waa la ogol yahay), natiijaduna waa inay raacdaa 5.11.
Tijaabada heerkulka hooseeya
Tubta qaybta muunadu waxay ahayd (100±10) mm cabir ahaan iyo dherer ahaanba.Muunada waxaa la geliyey qolka cryogenic, la qaboojiyey ilaa (-30±2) ℃ waxaana lagu hayaa heerkul joogto ah 1 saac.Kadibna waa la saaray oo la dhigay heerkul ah (20± 5) ℃ (4-7) h.Marka ay dhamaato muddada tijaabada, muunada waa in la soo saaraa si loo hubiyo dahaadhka gudaha, tijaabada adhesion waa in lagu sameeyaa sida ku cad qodobka 6.4, natiijada imtixaankuna waa inay waafaqsan tahay qodobbada 5.12.
Baaritaanka wareegga cadaadiska
Dhererka muunada qaybta tuubada waxay ahayd (500± 50) mm.Tallaabooyin ku habboon ayaa loo adeegsaday in lagu xannibo meesha laga soo galo iyo meesha laga soo galo tuubada, tuubkuna wuxuu ku xirnaa nidaamka bixinta biyaha.Biyaha ayaa la buuxiyey si ay hawada uga saaraan, ka dibna 3000 beddelka tijaabooyinka hydrostatic laga bilaabo (0.4 ± 0.1) MPa ilaa MPa ayaa la sameeyay, muddada imtixaan kastaa kama badnayn 2 s.Imtixaanka ka dib, dahaarka gudaha waa in la hubiyaa oo tijaabada adhesion waa in lagu sameeyaa si waafaqsan qodobada 6.4, natiijada imtixaankuna waa inay waafaqsan tahay qodobada 5.13.
Imtixaanka wareegga heerkulka
Dhererka muunada qaybta tuubada waxay ahayd (500± 50) mm.Tusaalooyinka waxaa la dhigay 24 saac heerkul kasta sida soo socota:
(50± 2) ℃;
(-10± 2) ℃;
(50± 2) ℃;
(-10± 2) ℃;
(50± 2) ℃;
(-10±2) ℃.
Baaritaanka ka dib, muunada waxaa la geliyay deegaan leh heerkul ah (20±5) 24 saac.Dahaarka gudaha waa la hubiyay iyo tijaabada adhesion waxaa la fuliyay si waafaqsan xeerarka 6.4.Natiijooyinka imtixaanku waa in ay waafaqsan yihiin qodobbada 5.14.
Tijaabada gabowga diiran ee biyaha
Cabbirka iyo dhererka muunada qaybta tuubada waa ilaa 100 mm.Qaybaha bannaanka ah ee labada daraf ee qaybta tuubada waa in lagu daaweeyaa ka-hortagga.Qaybta tuubada waa in lagu qooyay biyo nadiif ah (70± 2) ℃ 30 maalmood.
Tilmaamid
| Shayga | Caag ku dahaadhay gudaha iyo dibadda dhuumaha isku dhafan |
| Qalab | SPHC, Q195,Q215,Q235,Q345,SAE1010,SAE1020, API Standard material, ASTM A53 A,B |
| OD | 10-1219 (1/8''-48'') |
| WT | 0.7-13 |
| Dhererka | 2m-12m ama sida ku cad shuruudaha macaamiisha |
| Dulqaadashada Dhumucda | + 5% - |
| Dusha sare | saliidaysan/ rinji |
| dhamaadka tuubada | Dhammaadka cad/xariif ah/xadhka leh isku xidhka iyo daboolka |
| Calaamadayn | Sida ku cad shuruudaha macmiilka |
| Sdandard | ASTM/BS EN/DIN/GB |
| Shahaado | ISO,BV,API |
| ODM/OEM | la heli karo |
| Heerarka | ASTM A53,BS1387-1985,GB/T3091-2001,GB/T13793-92,GB/T6728-2002 |
| Qalabka | Q195,Q215,Q235,Q345 |
| Farsamada | alxanka |
| Isticmaalka | Farsamada & soo saarista, Qaab dhismeedka birta, Dhisidda maraakiibta, Isku-xidhka, Gaadhiga gaadhiga |
Qayb ka mid ah Qalabka
| Darajo | 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 |
| Shaxda cabbirrada tuubooyinka HDPE | |||||||||
| Dia | leexasho | 0.4Mpa | 0.5Mpa | 0.6Mpa | 0.8Mpa | 1.0Mpa | 1.25Mpa | 1.6MPa | 2.0Mpa |
| Dhumucda | Dhumucda | Dhumucda | Dhumucda | Dhumucda | Dhumucda | Dhumucda | Dhumucda | ||
| 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 | |
Bandhiga Alaabta
