Umgca wegesi we-APIPE API ongenamlilo ogqunywe ngumlilo awunamthungo kancinane
Umbhobho weplastiki ogqunywe ngumlilo, Ngetyhubhu yentsimbi ethe tye okanye engenamthungo njengombhobho wesiseko, udonga lwangaphandle lugqunywe nge-thermosetting powder coating kunye nokunamathela okuphezulu, ukuchasana kwempembelelo, ukuxhathisa ukubola kunye nokumelana nemozulu, kwaye udonga lwangaphakathi lugqunywe nge-thermoplastic powder coating ephezulu. ukunamathela, ukumelana nokubola kunye nococeko lokutya.
Ukusebenzisa isantiblasting imichiza kabini pretreatment, preheating, ukutyabeka yangaphakathi, ukutyabeka yangaphandle, ukunyanga, unyango post kunye nezinye iinkqubo, ezenziwe ngonikezelo lwamanzi iplastiki egqutywe umbhobho yentsimbi edityanisiweyo, yintsimbi yemveli umbhobho yeplastiki, umbhobho amagalvanized umbhobho uphuculo uhlobo iimveliso iindleko-olusebenzayo.Iimveliso ngokusebenzisa iziko lesizwe lovavanyo lwezixhobo zemichiza yokwakha isiqinisekiso somlilo.
Iingxaki ze-corrosion kunye ne-scaling ye-mibhobho yentsimbi eqhelekileyo kwinkqubo yokungcwaba kunye nokuthutha amanzi yasombululwa ngokufaka i-plastic coating kwimibhobho yentsimbi okanye i-galvanized pipes.Isiganeko sokuvaleka kombhobho kunye nokuvalwa kwe-spray kupheliswa, kwaye ubomi benkonzo yombhobho buphuculwe.Ubomi benkonzo yombhobho wetsimbi odibeneyo ungaphezulu kweminyaka engama-50.Umgubo wetyhubhu yentsimbi yeplastiki yongeza i-flame retardant kunye ne-epoxy resin powder eguquliweyo, ukuxhathisa ubushushu bokutya kuphezulu, kwaye akutshisi okanye kuthambe ekusebenziseni ixesha elide.Umbhobho wentsimbi yeplastiki egqunyiweyo unazo zombini amandla aphezulu ombhobho wentsimbi oqhelekileyo kunye neepropathi zokuchasa ukudumba kweemveliso zeplastiki zegrisi.Ukusebenza koxinzelelo lwemveliso kufikelela kwi-0-5.0mpa.
Umbhobho wePlastiki oCatyiswe nguMlilo, ujongano lwePipeline
Uqhagamshelo lomsonto we: DN15-DN100
Uxhulumaniso lweGroove: DN65-DN400;
Uqhagamshelo lwe-bimetal welding ye: DN100-DN800
Uxhulumaniso lweFlange lufanelekile: lufanelekile nayiphi na i-caliber;
Uxhumo lwe-welding lufanelekile: lufanelekile nayiphi na i-diameter;
Umbhobho wePlastiki oFakelwe ngumlilo, Ukusetyenziswa kobushushu
0 ~ 110 degrees ukusetyenziswa kwexesha elide.
Umbhobho wePlastiki ogqunywe nguMlilo, ukutyeba kwePlastiki
Phakathi kwe-100 microns kunye ne-500 microns, ngokuqhelekileyo i-350 microns.
Umbhobho wePlastiki ofakwe nguMlilo, Iimpawu zeMveliso
1. Impilo engeyiyo ityhefu, akukho kukhula, akukho kuzaliswa kwee-microorganisms, qinisekisa umgangatho wolwelo.
2. Ukumelana nokubola kweekhemikhali, umhlaba kunye nezilwanyana zaseLwandle, i-cathodic stripping
3. Inkqubo yokufakela ikhulile, ilungele kwaye ikhawuleza, kwaye ukudibanisa kunye nombhobho oqhelekileyo we-galvanized kuyafana
4. Ukumelana nemozulu elungileyo, ifanelekile kwindawo enzima njengentlango, ityuwa kunye nealkali
5. Udonga lombhobho ogudileyo, phucula ukusebenza kakuhle kokuhanjiswa, ubomi benkonzo ende
Umbhobho wePlastiki ofakwe nguMlilo, iNdlela yokuFumana
Ukuhlolwa okubonakalayo
Ukuhlola ngokubonakalayo umgangatho wokubonakala kombhobho wensimbi ogqunyiweyo, kwaye iziphumo zovavanyo ziya kuhambelana nemimiselo ye-5.1.
Umlinganiselo wokutyeba
Amacandelo amabini anqamlezayo obude obuhlukeneyo athathwe kwiiphelo zombini zombhobho wensimbi odibeneyo.Kwicandelo ngalinye lomnqamlezo, ukutyeba kokugquma kuzo naziphi na iingongoma ezine ezinqumlana ngokuthe ngqo kwisangqa kulinganiswa ngegeyiji yobukhulu be-electromagnetic.Iziphumo zovavanyo ziya kuhambelana nezibonelelo ze-5.4.
Uvavanyo lwePinhole
Ubude bomzekelo wecandelo lombhobho malunga ne-1000 mm.Ukugquma kwetyhubhu yensimbi ihlolwe ngumtshini we-spark ukuvuza phantsi kombane wovavanyo oluchaziweyo.Ubunzima bokugquma bungaphantsi kwe-0.4mm, i-voltage yokuvavanya yi-1500 V, ubukhulu be-coating bungaphezulu kwe-0.4mm, kwaye umbane wokuvavanya ngu-2000 V. Khangela ukuba i-spark yombane yenziwe kwaye umphumo wokuvavanya kufuneka uhambelane ne-5.5.
Uvavanyo lokubambelela
Uvavanyo lokubambelela luya kwenziwa ngokwe-7.4.2 ye-CJ/T 120-2008, kwaye iziphumo zovavanyo ziya kuhambelana ne-5.6.
Ukugoba uvavanyo
Ukugoba uvavanyo lombhobho wentsimbi oqatywe i-DN≤50mm.Ubude bomzekelo wecandelo lombhobho (1200±100) mm.
Kwiqondo lobushushu (20±5) ℃, amaxesha 8 ubukhulu ngokwegama lombhobho wentsimbi njengoko radius of ukugoba, ukugoba Angle of 30O, ukugoba kwi bender umbhobho okanye fa.Xa uvavanyo lokugoba, akukho sigcwalisi kwi-tube, kwaye i-weld ibekwe kwicala lendawo ephambili yokugoba.
Emva kovavanyo, nqumla i-specimen phakathi kwe-arc egobileyo ukujonga i-coating yangaphakathi, kwaye iziphumo zovavanyo kufuneka zihambelane nemimiselo ye-5.7.
Uvavanyo lokucaba
DN> Ityhubhu yentsimbi eyi-50 mm iyakucinezelwa.Ubude bomzekelo wecandelo lombhobho (50±10) mm.
Kwiqondo lobushushu le-(20±5) ℃, isampuli yafakwa phakathi kwamacwecwe amabini kwaye yaxinzelelwa ngokuthe ngcembe kumatshini wovavanyo loxinzelelo de umgama phakathi kwamacwecwe amabini ube sisine-esihlanu sobubanzi obungaphandle bomfanekiso.I-welded seam yombhobho wensimbi edibeneyo yayiyi-perpendicular ukuya kwindlela yokusetyenziswa komthwalo.Emva kovavanyo, i-coating yangaphakathi iya kujongwa kwaye iziphumo zovavanyo ziya kuhambelana ne-5.8.
Uvavanyo lwempembelelo
Isampulu emalunga ne-100 mm ubude yasikwa kuyo nayiphi na indawo yombhobho wentsimbi egqunyiweyo, kwaye uvavanyo lwempembelelo lwenziwa ngokuhambelana nezibonelelo kwiThebhile 2 kwiqondo lobushushu (20±5) ℃ ukujonga umonakalo wengubo yangaphakathi. .Ngethuba lovavanyo, i-weld iya kuba kwicala elichasene nempembelelo yempembelelo, kwaye umphumo wokuvavanya uya kuhambelana nemimiselo ye-5.9.
Uluhlu 2 Iimeko zovavanyo lweempembelelo
Idayamitha yesiqhelo DN
Mm ubunzima behamile, ikhilo ewayo ukuphakama, mm
15-251.0300
32 ~ 502.1500
80 ~ 3006.31000
Izixhobo zovavanyo lwempembelelo
Uvavanyo lwevacuum
Ubude bomzekelo wecandelo lombhobho (500±50) mm.Sebenzisa amanyathelo afanelekileyo ukuvimba ukungena kunye nokuphuma kombhobho, kwaye ngokukhawuleza ukwandise uxinzelelo olubi ukusuka kwi-inlet ukuya kwi-660 mm hg, yigcine i-1 min.Emva kovavanyo, khangela iingubo zangaphakathi, kwaye iziphumo zovavanyo kufuneka zihambelane nemimiselo ye-5.10.
Uvavanyo lobushushu obuphezulu
Ubude bomzekelo wecandelo lombhobho (100±10) mm.Lo mzekelo wafakwa kwi-incubator wafudunyezwa ukuya ku-(300±5) ℃ iyure enye.Emva koko yasuswa kwaye ipholile ngokwemvelo kwiqondo lokushisa eliqhelekileyo.Emva kovavanyo, khupha i-specimen kwaye ukhangele i-coating yangaphakathi (ukubonakala okumnyama kunye nobumnyama kuvunyelwe), kwaye iziphumo zovavanyo kufuneka zihambelane ne-5.11.
Uvavanyo lobushushu obuphantsi
Umzekelo wecandelo lombhobho wawuyi-(100±10) mm ngobukhulu nobude.Lo mzekelo wafakwa kwigumbi le-cryogenic, elipholileyo ukuya (-30±2) ℃ kwaye ligcinwe kwiqondo lokushisa elingaguqukiyo i-1 h.Emva koko isuswe kwaye ibekwe kwiqondo lobushushu (20±5) ℃ for (4-7) h.Ekupheleni kwexesha lokuvavanya, i-specimen iya kuthathwa ukuba ihlolisise i-coating yangaphakathi, kwaye uvavanyo lokunamathela luya kwenziwa ngokwemiqathango ye-6.4, kwaye iziphumo zovavanyo ziya kuhambelana nemimiselo ye-5.12.
Uvavanyo lomjikelo woxinzelelo
Ubude bomzekelo wecandelo lombhobho (500±50) mm.Amanyathelo afanelekileyo asetyenzisiweyo ukuvimba ukungena kunye nokuphuma kombhobho, kwaye umbhobho udibaniswe nenkqubo yokubonelela ngamanzi.Amanzi azaliswe ukususa umoya, kwaye emva koko iimvavanyo ze-3000 ezitshintshanayo ze-hydrostatic ukusuka (0.4±0.1) MPa ukuya kwi-MPa zaqhutywa, kwaye ixesha lovavanyo ngalunye lalingekho ngaphezu kwe-2 s.Emva kovavanyo, i-coating yangaphakathi iya kujongwa kwaye uvavanyo lokunamathela luya kwenziwa ngokwemiqathango ye-6.4, kwaye iziphumo zovavanyo ziya kuhambelana nemimiselo ye-5.13.
Uvavanyo lomjikelo wobushushu
Ubude bomzekelo wecandelo lombhobho (500±50) mm.Iisampulu zibekwe iiyure ezingama-24 kwiqondo lobushushu ngalinye ngolu hlobo lulandelayo:
(50±2) ℃;
(-10±2) ℃;
(50±2) ℃;
(-10±2) ℃;
(50±2) ℃;
(-10±2) ℃.
Emva kovavanyo, lo mzekelo wabekwa kwindawo enobushushu obuyi-(20±5) ℃ kangangeyure ezingama-24.Ukugquma kwangaphakathi kuhlolwe kwaye uvavanyo lokunamathela lwenziwa ngokwemiqathango ye-6.4.Iziphumo zovavanyo kufuneka zingqinelane nemigaqo ka-5.14.
Uvavanyo lokuguga kwamanzi ashushu
Ubungakanani kunye nobude bomzekelo wecandelo lombhobho malunga ne-100 mm.Iindawo eziveziweyo kuzo zombini iziphelo zecandelo lombhobho kufuneka ziphathwe nge-anticorrosion.Icandelo lombhobho kufuneka lifakwe emanzini adibeneyo (70±2) ℃ iintsuku ezingama-30.
Inkcazo
| Umbhobho weplastiki ogqunywe ngumlilo | |||||
| 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 |
Umboniso weMveliso
