Fireproof yakavharwa epurasitiki PIPE API gasi mutsetse haina musono zvishoma
Moto wakaputirwa pombi yepurasitiki, Iine yakatwasuka kana isina musono simbi chubhu sepombi yepasi, madziro ekunze akaputirwa ne thermosetting poda coating ine adhesion yakakwira, kukanganisa kupikisa, kusaita ngura uye kusagadzikana kwemamiriro ekunze, uye madziro emukati akaputirwa ne thermoplastic poda coating nepamusoro. adhesion, corrosion resistance uye hutsanana hwekudya.
Kushandisa sandblasting kemikari kaviri pretreatment, preheating, yemukati coating, yekunze kukoira, kurapa, post kurapwa uye mamwe maitiro, akagadzirwa nemvura inopihwa epurasitiki yakavharidzirwa composite simbi pombi, ndiyo yechinyakare simbi yepurasitiki pombi, galvanized pombi kusimudzira mhando yezvinodhura zvigadzirwa.Zvigadzirwa kuburikidza neiyo yenyika makemikari ekuvaka zvivakwa zvekuyedza centre fire inyanzvi certification.
Matambudziko ekuora uye kuyera kwepombi dzesimbi dzakajairwa panguva yekuviga nekutakura mvura dzakagadziriswa nekuisa mapurasitiki ekuputira pombi dzesimbi kana mapaipi akabatiswa.Chiitiko chekuvharika kwepombi uye kuvhara kwepfapfaidzo kunobviswa, uye hupenyu hwebasa hwepombi hunovandudzwa.Upenyu hwebasa hwepombi yesimbi yakavharwa ndeye makore anopfuura makumi mashanu.Iyo poda yekuputira yepurasitiki simbi chubhu yakawedzera murazvo unodzoreredza uye yakagadziridzwa epoxy resin poda, tembiricha yekudzivirira yejasi iri pamusoro, uye haipisi kana kupfava mukushandiswa kwenguva refu.Pombi yesimbi yepurasitiki yakavharwa ine zvese zvakakwirira simba repaipi yesimbi yakajairwa uye anti-corrosion zvimiro zvezvigadzirwa zvegirisi zvepurasitiki.Iyo yekumanikidza kuita kwechigadzirwa inosvika 0-5.0mpa.
Fire Coated Plastic Pipe, Pipeline Interface
Thread connection ye: DN15-DN100
Groove connection ye: DN65-DN400;
Bimetal welding yekubatanidza ye: DN100-DN800
Kubatana kweFlange kwakakodzera: inokodzera chero caliber;
Welding connection yakakodzera: inokodzera chero dhayamita;
Fire Coated Plastic Pipe, Kushandisa Kwekushisa
0 ~ 110 madhigirii kwenguva refu kushandiswa.
Fire Coated Plastic Pipe, Coating Thickness
Pakati pe100 microns uye 500 microns, kazhinji 350 microns.
Fire Coated Plastic Pipe, Product Features
1. Hutano husina chepfu, hapana kuyera, hapana kuberekesa tupukanana, simbisa kunaka kwemvura.
2. Kurwisana nemakemikari ekuora, ivhu uye Marine organisms, cathodic stripping
3. Iyo yekuisa maitiro yakakura, yakanakira uye inokurumidza, uye kubatana neyakajairwa galvanized pombi kwakafanana
4. Kuramba kwakanaka kwemamiriro ekunze, kwakakodzera kunharaunda yakaoma serenje, munyu uye alkali
5. Smooth pombi rusvingo, kunatsiridza kufambisa kushanda zvakanaka, hupenyu hurefu hwebasa
Fire Coated Plastic Pipe, Detection Method
Kuongorora kwekuona
Ongorora kutaridzika kwemhando yepombi yesimbi yakavharwa, uye mhinduro dzebvunzo dzinoenderana nezvinopihwa 5.1.
Kuyera ukobvu
Zvikamu zviviri zvemuchinjikwa zvehurefu hwakasiyana zvinotorwa kubva kumativi ose epombi yesimbi yakavharwa.Muchikamu chega chega chemuchinjiko, ukobvu hwekuputira pane chero mapoinzi mana anopindirana denderedzwa hunoyerwa negeji remagetsi gobvu.Mhedzisiro yebvunzo ichaenderana nezvinodiwa zve5.4.
Pinhole bvunzo
Kureba kwechikamu chechikamu chepombi inenge 1000 mm.Iko kupfekedzwa kwechubhu yesimbi inoongororwa ne spark leak detector pasi peiyo yakatsanangurwa test voltage.Ukobvu hwekuputira huri pasi pe 0.4mm, chiyero chekuedza i1500 V, hupamhi hwekuputira hunodarika 0.4mm, uye test voltage ndeye 2000 V. Tarisa kana spark yemagetsi inogadzirwa uye mhinduro yekuedza inofanira kuenderana ne5.5.
Adhesion test
Muedzo wekunamatira uchaitwa zvinoenderana ne7.4.2 yeCJ/T 120-2008, uye mhedzisiro yebvunzo ichaenderana ne5.6.
Bending test
Bend bvunzo kune yakavharwa simbi pombi DN≤50mm.Kureba kwechikamu chepombi muenzaniso ndeye (1200±100) mm.
Patembiricha ye (20 ± 5) ℃, 8 nguva dzezita rekuti dhayamita yepombi yesimbi seradius ye curvature, kukotama Angle ye30O, kukotama papombi bender kana kufa.Paunenge uchikotama bvunzo, hapana kuzadza muchubhu, uye weld iri padivi penzvimbo huru yekukotama.
Mushure mebvunzo, cheka sampuli kubva pakati peiyo curved arc kutarisa mukati mejasi, uye mhinduro dzebvunzo dzinofanira kuenderana nezvinopihwa zve5.7.
Flattening bvunzo
DN> Iyo 50 mm yakavharwa simbi chubhu ichamanikidzwa.Kureba kwechikamu chepombi muenzaniso ndeye (50±10) mm.
Patembiricha ye (20 ± 5) ℃, mufananidzo wacho wakaiswa pakati pemahwendefa maviri uye wakatsikirirwa zvishoma nezvishoma pamushini wekuedza kumanikidza kusvika chinhambwe chiri pakati pemahwendefa maviri chave china-chishanu chedhayamita yekunze yemuenzaniso.Musono wakakwenenzverwa wepombi yesimbi yakavharwa yaive perpendicular kugwara rekushandisa kwemutoro.Mushure mebvunzo, mukati mejasi ichatariswa uye mhinduro dzebvunzo dzinoenderana ne5.8.
Impact test
Muenzaniso ungangoita 100 mm pakureba wakachekwa kubva kune chero chinzvimbo chepombi yesimbi yakavharwa, uye bvunzo yekukanganisa yakaitwa zvinoenderana nezviri muTable 2 patembiricha ye (20±5) ℃ kuona kukuvara kwemukati. .Munguva yekuyedzwa, weld ichave iri kune yakatarisana neyakakanganiswa nzvimbo, uye bvunzo mhedzisiro ichaenderana nezvinopihwa 5.9.
Tafura 2 Impact bvunzo mamiriro
Zita dhayamita DN
Mm huremu hwesando, kg inodonha kureba, mm
15-251.0300
32 ~ 502.1500
80 ~ 3006.31000
Impact test apparatus
Vacuum test
Kureba kwechikamu chepombi muenzaniso ndeye (500±50) mm.Shandisa matanho akakodzera kuti uvhare kupinza uye kubuda kwepombi, uye zvishoma nezvishoma uwedzere kudzvinyirira kwakashata kubva pakupinda kusvika ku660 mm hg, chengetedza 1 min.Mushure mebvunzo, tarisa mukati mukati, uye mhinduro dzebvunzo dzinofanira kuenderana nezvinopihwa 5.10.
High tembiricha bvunzo
Kureba kwechikamu chepombi muenzaniso waiva (100±10) mm.Muenzaniso wacho wakaiswa muincubator ndokudziiswa ku (300±5) ℃ kwe1 h.Zvadaro yaibviswa uye yatonhodzerwa zvoga kune tembiricha.Mushure mebvunzo, tora mufananidzo uye tarisa mukati (yakasviba uye yakasviba kutaridzika kunobvumidzwa), uye mhinduro dzebvunzo dzinofanira kuenderana ne5.11.
Low tembiricha bvunzo
Chiyero chechikamu chepombi chaive che (100±10) mm muhukuru uye kureba.Muenzaniso wacho wakaiswa mukamuri ye cryogenic, yakatonhodzwa kusvika (-30±2) ℃ uye yakachengetwa patembiricha yenguva dzose kwe1 h.Yakabva yabviswa yoiswa patembiricha ye (20±5) ℃ ye(4-7) h.Pakupera kwenguva yekuyedzwa, mufananidzo wacho uchatorwa kuti utarise mukati mejasi, uye bvunzo yekunamatira ichaitwa zvinoenderana ne6.4, uye mhedzisiro yebvunzo ichaenderana neiyo 5.12.
Pressure cycle test
Kureba kwechikamu chepombi muenzaniso waiva (500±50) mm.Matanho akakodzera akashandiswa kuvhara kupinza uye kubuda kwepombi, uye pombi yakabatana nehurongwa hwekupa mvura.Mvura yakazadzwa kuti ibvise mweya, uyezve 3000 alternating hydrostatic tests kubva (0.4±0.1) MPa kuenda kuMPa yakaitwa, uye nguva yebvunzo yega yega yakanga isingapfuuri 2 s.Mushure mekuyedzwa, iyo mukati mejasi ichatariswa uye bvunzo yekunamatira ichaitwa zvinoenderana ne6.4, uye mhedzisiro yebvunzo ichaenderana nezvinopihwa 5.13.
Temperature cycle test
Kureba kwechikamu chepombi muenzaniso waiva (500±50) mm.Zviyero zvakaiswa kwe24 h patembiricha yega yega nenzira inotevera:
(50±2) ℃;
(-10±2) ℃;
(50±2) ℃;
(-10±2) ℃;
(50±2) ℃;
(-10±2) ℃.
Mushure mekuedzwa, mufananidzo wacho wakaiswa munzvimbo ine tembiricha ye (20±5) ℃ kwe24 h.Iyo yemukati yekupfekedza yakatariswa uye bvunzo yekunamatira yakaitwa maererano nezvinopihwa 6.4.Mhedzisiro dzebvunzo dzinofanirwa kuenderana nezvinopihwa 5.14.
Mvura inodziya yekuchembera bvunzo
Ukuru uye kureba kwechikamu chepombi chemuenzaniso chinenge 100 mm.Izvo zvikamu zvakafumurwa pamigumo miviri yechikamu chepombi inofanira kurapwa ne anticorrosion.Chikamu chepombi chinofanira kunyikwa mumvura yakanyungudutswa pa (70±2) ℃ kwemazuva makumi matatu.
Tsanangudzo
Moto wakaputirwa pombi yepurasitiki | |||||
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 |