Mzere wa gasi wa PIPE API wokutidwa ndi moto ndi wopanda msoko pang'ono
Chitoliro cha pulasitiki chamoto, Chokhala ndi chubu chachitsulo chowongoka kapena chosasunthika ngati chitoliro choyambira, khoma lakunja limakutidwa ndi zokutira za ufa wa thermosetting zomatira kwambiri, kukana mphamvu, kukana dzimbiri komanso kukana kwanyengo, ndipo khoma lamkati limakutidwa ndi zokutira za ufa wa thermoplastic kumamatira, kukana dzimbiri ndi ukhondo wa chakudya.
Kugwiritsa ntchito sandblasting mankhwala awiri pretreatment, preheating, ❖ kuyanika mkati, ❖ kuyanika akunja, kuchiritsa, positi mankhwala ndi njira zina, zopangidwa ndi madzi pulasitiki TACHIMATA gulu zitsulo chitoliro, ndi chikhalidwe zitsulo pulasitiki chitoliro, kanasonkhezereka chitoliro Mokweza mtundu wa mankhwala mtengo.Zogulitsa kudzera ku National Chemical Zomangamanga Poyesa Chiphaso cha akatswiri ozimitsa moto.
Mavuto a dzimbiri ndi makulitsidwe a mapaipi achitsulo wamba pokwirira ndi kunyamula madzi adathetsedwa pogwiritsa ntchito zokutira zapulasitiki pamapaipi achitsulo kapena mapaipi opaka malata.Chodabwitsa cha kutsekeka kwa chitoliro ndi kutsekeka kwa utsi kumachotsedwa, ndipo moyo wautumiki wa chitoliro umakhala wabwino.Moyo wautumiki wa chitoliro chazitsulo zokutira ndi zaka zoposa 50.Kupaka utoto wa pulasitiki chitsulo chubu anawonjezera lawi retardant ndi kusinthidwa epoxy utomoni ufa, kukana kutentha kwa ❖ kuyanika ndi wapamwamba, ndipo samawotcha kapena kufewetsa pakugwiritsa ntchito nthawi yayitali.TACHIMATA pulasitiki zitsulo chitoliro ali onse mphamvu mkulu wa chitoliro wamba zitsulo ndi katundu odana ndi dzimbiri mankhwala pulasitiki mafuta.Kuphatikizika kwa zinthuzo kumafika pa 0-5.0mpa.
Chitoliro cha Pulasitiki Chokutidwa ndi Moto, Chiyankhulo cha Pipeline
Kulumikizana kwa ulusi: DN15-DN100
Kulumikizana kwa Groove kwa: DN65-DN400;
Bimetal kuwotcherera kulumikizana kwa: DN100-DN800
Kulumikizana kwa flange ndikoyenera: koyenera pamtundu uliwonse;
Kulumikiza kuwotcherera ndikoyenera: koyenera m'mimba mwake;
Chitoliro cha Pulasitiki Chokutidwa ndi Moto, Kugwiritsa Ntchito Kutentha
0 ~ 110 madigiri kugwiritsa ntchito nthawi yayitali.
Chitoliro cha Pulasitiki Chokutidwa ndi Moto, Makulidwe Opaka
Pakati pa 100 microns ndi 500 microns, kawirikawiri 350 microns.
Chitoliro cha Pulasitiki Chokutidwa ndi Moto, Zomwe Zapangidwira
1. Thanzi lopanda poizoni, palibe makulitsidwe, palibe kuswana kwa tizilombo tating'onoting'ono, kuonetsetsa kuti madzi amadzimadzi ali abwino.
2. Kugonjetsedwa ndi dzimbiri za mankhwala, nthaka ndi zamoyo za m'madzi, cathodic stripping
3. Njira yokhazikitsira ndi yokhwima, yabwino komanso yachangu, ndipo kulumikizana ndi chitoliro chamalata ndi chimodzimodzi
4. Kukana kwa nyengo yabwino, koyenera kumadera ovuta monga chipululu, mchere ndi alkali
5. Khoma losalala la chitoliro, kuwongolera kutulutsa bwino, moyo wautali wautumiki
Chitoliro cha Pulasitiki Chopaka Moto, Njira Yodziwira
Kuwunika kowoneka
Yang'anani mowoneka bwino mawonekedwe a chitoliro chachitsulo chophimbidwa, ndipo zotsatira zoyesa ziyenera kutsatira zomwe 5.1.
Kuyeza makulidwe
Zigawo ziwiri zopingasa za utali wosiyana zimatengedwa kuchokera kumalekezero onse a chitoliro chachitsulo chophimbidwa.Mugawo lililonse lamtanda, makulidwe okutira pa mfundo zinayi zilizonse zomwe zimadutsana mozungulira mozungulira amayezedwa ndi ma electromagnetic makulidwe amagetsi.Zotsatira za mayeso zigwirizana ndi zomwe zili mu 5.4.
Pinhole test
Kutalika kwa gawo la chitoliro ndi pafupifupi 1000 mm.Chophimba cha chubu chachitsulo chimawunikidwa ndi chowunikira chowunikira pansi pa voteji yoyesedwa.Makulidwe a zokutira ndi ochepera 0.4mm, voteji yoyeserera ndi 1500 V, makulidwe a zokutira ndi opitilira 0.4mm, ndipo voteji yoyeserera ndi 2000 V. Yang'anani ngati spark yamagetsi imapangidwa ndipo zotsatira zoyesa ziyenera kugwirizana ndi 5.5.
Kuyesa kumamatira
Kuyesa kumamatira kudzachitika molingana ndi 7.4.2 ya CJ/T 120-2008, ndipo zotsatira zoyeserera zizigwirizana ndi 5.6.
Mayeso opindika
Mayeso opindika a chitoliro chachitsulo chokuta DN≤50mm.Kutalika kwa gawo la chitoliro ndi (1200±100) mm.
Pa kutentha kwa (20 ± 5) ℃, 8 nthawi awiri mwadzina wa chitoliro zitsulo monga utali wozungulira wa kupindika, kupinda ngodya 30O, kupinda bender chitoliro kapena kufa.Pamene kuyesa kuyesa, palibe chodzaza mu chubu, ndipo weld ili pambali ya malo opindika.
Pambuyo poyesa, dulani chitsanzocho kuchokera pakati pa arc yokhota kuti muyang'ane zokutira zamkati, ndipo zotsatira zoyesa ziyenera kutsata zomwe zili 5.7.
Mayeso osalala
DN> The 50 mm TACHIMATA zitsulo chubu ayenera wothinikizidwa.Kutalika kwa gawo la chitoliro ndi (50±10) mm.
Pa kutentha kwa (20 ± 5) ℃, chitsanzocho chinayikidwa pakati pa mbale ziwiri ndikukanikizidwa pang'onopang'ono pamakina oyesa kuthamanga mpaka mtunda wapakati pa mbale ziwirizo unali gawo limodzi mwa magawo asanu a awiri akunja a chitsanzocho.The welded msoko wa yokutidwa zitsulo chitoliro anali perpendicular malangizo katundu ntchito.Pambuyo pakuyezetsa, zokutira zamkati zimayang'aniridwa ndipo zotsatira zake zimagwirizana ndi 5.8.
Kuyesa kwamphamvu
Chitsanzo cha 100 mm m'litali chinadulidwa ku malo aliwonse a chitoliro chachitsulo chophimbidwa, ndipo kuyesa kwake kunachitika malinga ndi zomwe zili mu Table 2 pa kutentha kwa (20 ± 5) ℃ kuona kuwonongeka kwa ℃ ℃. .Pakuyesa, kuwotcherera kudzakhala kosiyana ndi momwe zimachitikira, ndipo zotsatira zoyeserera zimagwirizana ndi zomwe 5.9.
Table 2 Impact test mikhalidwe
DN
Mm nyundo kulemera, kg kugwa kutalika, mm
15-251.0300
32 ~ 502.1500
80 ~ 3006.31000
Zida zoyezera mphamvu
Mayeso a vacuum
Kutalika kwa gawo la chitoliro ndi (500±50) mm.Gwiritsani ntchito njira zoyenera kuti mutseke polowera ndi kutuluka kwa chitoliro, ndipo pang'onopang'ono muwonjezere kupanikizika koipa kuchokera ku 660 mm hg, sungani 1 min.Pambuyo pa mayeso, yang'anani chophimba chamkati, ndipo zotsatira za mayeso ziyenera kutsata zomwe zili mu 5.10.
Kuyeza kutentha kwakukulu
Kutalika kwa chigawo cha chitoliro cha chitsanzo chinali (100±10) mm.Chitsanzocho chinayikidwa mu chofungatira ndikutenthedwa mpaka (300±5) ℃ kwa 1 h.Kenako anachotsedwa ndi utakhazikika mwachibadwa kutentha yachibadwa.Pambuyo pa mayeso, tulutsani chitsanzocho ndikuyang'ana chophimba chamkati (mawonekedwe akuda ndi akuda amaloledwa), ndipo zotsatira zoyesa ziyenera kutsata 5.11.
Kuyeza kutentha kochepa
Chitsanzo cha gawo la chitoliro chinali (100±10) mm kukula ndi kutalika.Chitsanzocho chinayikidwa m'chipinda cha cryogenic, chokhazikika mpaka (-30 ± 2) ℃ ndikusungidwa pa kutentha kosatha kwa 1 h.Kenako idachotsedwa ndikuyikidwa pa kutentha kwa (20±5) ℃ kwa (4-7) h.Kumapeto kwa nthawi yoyesera, chitsanzocho chidzatengedwa kuti chiyang'ane zokutira zamkati, ndipo kuyesa kwa adhesion kudzachitidwa molingana ndi zomwe zili 6.4, ndipo zotsatira zake zidzagwirizana ndi zomwe zili 5.12.
Pressure cycle test
Kutalika kwa gawo la chitoliro cha chitsanzo chinali (500±50) mm.Njira zoyenerera zinagwiritsidwa ntchito kuti zitseke polowera ndi kutuluka kwa chitoliro, ndipo chitolirocho chinalumikizidwa ndi dongosolo loperekera madzi.Madzi anadzazidwa kuti achotse mpweya, ndiyeno 3000 alternating hydrostatic tests from (0.4±0.1) MPa to MPa inachitika, ndipo nthawi ya mayeso aliwonse sanali oposa 2 s.Pambuyo pa kuyesedwa, chophimba chamkati chidzayang'aniridwa ndipo kuyesa kwa adhesion kudzachitidwa molingana ndi zomwe zili 6.4, ndipo zotsatira za mayesero zidzagwirizana ndi zomwe 5.13.
Kuyesa kwanyengo ya kutentha
Kutalika kwa gawo la chitoliro cha chitsanzo chinali (500±50) mm.Zitsanzozo zinayikidwa kwa 24 h pa kutentha kulikonse motere:
(50±2) ℃;
(-10±2) ℃;
(50±2) ℃;
(-10±2) ℃;
(50±2) ℃;
(-10±2) ℃.
Pambuyo pa mayeso, chitsanzocho chinayikidwa pamalo otentha (20 ± 5) ℃ kwa 24 h.Chophimba chamkati chinafufuzidwa ndipo kuyesa kumamatira kunachitika molingana ndi zomwe 6.4.Zotsatira za mayeso ziyenera kugwirizana ndi zomwe zili pa 5.14.
Mayeso okalamba amadzi ofunda
Kukula ndi kutalika kwa gawo la chitoliro lachitsanzo ndi pafupifupi 100 mm.Ziwalo zowonekera pamapeto onse a chitoliro ziyenera kuthandizidwa ndi anticorrosion.Gawo la chitoliro liyenera kuviikidwa m'madzi osungunuka pa (70±2) ℃ kwa masiku 30.
Kufotokozera
| Moto wokutira pulasitiki chitoliro | |||||
| OD (mm) | WT (mm) | OD (mm) | WT (mm) | OD (mm) | WT (mm) |
| 219 | 4-8 | 558.8 | 4-12 | 914.4 | 8-16 |
| 273 | 4-8 | 609.6 | 4-12 | 965.2 | 8-16 |
| 325 | 4-8 | 630 | 4-12 | 1020 | 8-16 |
| 377 | 4-8 | 711.2 | 4-13 | 1220 | 8-16 |
| 406 | 4-12 | 720 | 8-13 | 1420 | 8-20 |
| 426 | 4-12 | 762 | 8-14 | 1620 | 8-20 |
| 478 | 4-12 | 812.8 | 8-14 | 1820 | 8-20 |
| 508 | 4-12 | 863 | 8-14 | 2020 | 8-20 |
Zowonetsera Zamalonda
