General Provisions
Iyo dhayamita yeCHUANGRONG PE mapaipi anotangira kubva pa20 mm kusvika 1600 mm, uye kune akawanda marudzi uye masitaera ekuisa anowanikwa kuti vatengi vasarudze. Mapombi ePE kana mafittings akabatanidzwa kune mumwe nemumwe nekupisa fusion kana nemechani fittings.
PE pombi zvakare inogona kubatanidzwa kune mamwe mapombi emidziyo nenzira yekumanikidza fittings, flanges, kana mamwe marudzi akakodzera ekugadzirwa kwekuchinja masisitimu.
Imwe neimwe inopihwa inogara yakasarudzika mabhenefiti uye zvisingakwanisi kune yega yega yekujoinha mamiriro angasangana nemushandisi. Kuonana nevagadziri vakasiyana kunokurudzirwa kutungamira mune kwakakodzera mashandisirwo uye masitayipi anowanikwa ekujoinha sekutsanangurwa mugwaro rino sekutevera.
Nzira dzekubatanidza
Kune marudzi akati wandei ezvakajairwa kupisa fusion majoini anoshandiswa pari zvino muindasitiri: Butt, Saddle, uye Socket Fusion.Kuwedzera, electrofusion (EF) jointing inowanikwa neakakosha EF couplers uye masaddle fittings.
Nheyo yekubatanidza kupisa ndeyekupisa nzvimbo mbiri kune tembiricha yakatarwa, wozobatanidza pamwe chete nekushandisa simba rakakwana. Simba iri rinoita kuti zvinhu zvakanyunguduka zviyerere nekusanganiswa, zvoita kuti musanganiswa. Kana yasanganiswa maererano nepombi uye/kana maitirwo evagadziri, nzvimbo yejoinhi inova yakasimba kana kusimba kupfuura, pombi pachayo muzvose zviri zviviri kusimba uye kumanikidza uye majoini akanyatsobatanidzwa anonyatso ratidza kuti haabvi. Panongotonhora pajoini kusvika pedyo netembiricha yakadzikama, inenge yagadzirira kubatwa.Zvikamu zvinotevera zvechitsauko chino zvinopa gwara rehurongwa hweimwe neimwe yenzira idzi dzekubatanidza.
Butt fusion Matanho
1. Mapombi anofanirwa kuiswa mumuchina wewelding, uye mapeto acho acheneswe nekusaisa doro kubvisa tsvina yese, huruva, mwando, uye girizi mafirimu kubva munzvimbo inokwana 70 mm kubva kunoperera pombi imwe neimwe, mukati nekunze kwedhayamita zviso.
2.Migumo yepombi inogadziriswa uchishandisa chidimbu chinotenderera kuti chibvise migumo yose yakaoma uye oxidation layers. Zviso zvakagadziriswa zviso zvinofanirwa kunge zvine mativi uye zvakafanana.
3. Migumo ye PE mapaipi inopisa nekubatanidza pasi pekumanikidzwa (P1) kurwisana neplate inopisa. Mahwendefa ehita anofanirwa kuve akachena uye asina kusvibiswa, uye akachengetedzwa mukati metembiricha yepasi (210±5 ℃C yePE80, 225±5 C yePE100). Kubatana kunochengetedzwa kusvikira kunyange kudziyisa kwasimbiswa kutenderedza pombi inopera, uye kumanikidza kwekubatanidza ipapo kuderedza kune yakaderera ukoshi P2 (P2 = Pd) .Connection inobva yachengetwa kusvikira "Heat-absorption Step" inopera.
Buttfusion
Butt fusion ndiyo inonyanya kushandiswa nzira yekujoinha hurefu hwemapombi ePE nemapombi kune PE fittings, inova nekupisa kusanganiswa kwepombi butt inopera sezvinoratidzwa mumufananidzo. Iyi tekinoroji inoburitsa zvachose, yehupfumi uye inoyerera-inoshanda yekubatanidza. Majoini emhando yepamusoro butt fusion anogadzirwa nevanoshanda vakadzidziswa mune yakanaka mamiriro.
Butt fusion inowanzo shandiswa kumapombi ePE mukati mesaizi renji 63 mm kusvika 1600 mm yemajoini pamapombi, mafittings uye kupera marapirwo. Butt fusion inopa homogeneous joint ine zvimwechetezvo sepombi uye mafittings zvinhu, uye kugona kurwisa longitudinal mitoro.
4. Iyo inopisa pombi inopera inobva yadzoserwa uye ndiro inopisa inobviswa nokukurumidza sezvinobvira (t3: hapana kusangana nekumanikidza).
5. Iyo inopisa PE pombi inopera inounzwa pamwe chete uye inomanikidzwa zvakaenzana kune welding pressure value (P4 = P1) .Kumanikidza uku kunobva kwachengetwa kwekanguva kuti kubvumira kushandiswa kwekugadzirisa kuitike, uye mubatanidzwa wakabatanidzwa kuti utonhore kusvika kune tembiricha ye ambient uye nokudaro kukudziridza simba rakazara rakabatana. (t4 + t5). Munguva iyi yekutonhodza majoini anofanira kuramba asina kukanganiswa uye ari pasi pekumanikidzwa. Chero majoini haafanire kumwaya mvura inotonhora. Musanganiswa wenguva, tembiricha, uye zvinomanikidza kutorwa zvinoenderana negiredhi rezvinhu zvePE, dhayamita nekukora kwemadziro epombi, uye mhando nemhando yemuchina wekusanganiswa uri kushandiswa. CHUANGRONG mainjiniya anogona kupa nhungamiro mumamita akaparadzana, ayo akanyorwa mumafomu anotevera:
| SDR | SIZE | Pw | ew* | t2 | t3 | t4 | P4 | t5 |
| SDR17 | (mm) | (MPa) | (mm) | (s) | (s) | (s) | (MPa) | (min) |
| D110*6.6 | 321/S2 1.0 | 66 6 6 321/S2 9 | ||||||
| D125*7.4 | 410/S2 | 1.5 | 74 | 6 | 6 | 410/S2 | 12 | |
| D160*9.5 | 673/S2 | 1.5 | 95 | 7 | 7 673/S2 | 13 | ||
| D200*11.9 | 1054/S2 | 1.5 | 119 | 8 | 8 | 1054/S2 | 16 | |
| D225*13.4 1335/S2 | 2.0 | 134 | 8 | 8 1335/S2 | 18 | |||
| D250*14.8 | 1640/S2 | 2.0 | 148 | 9 | 9 | 1640/S2 | 19 | |
| D315*18.7 2610/S2 | 2.0 | 187 | 10 | 10 | 2610/S2 24 | |||
| SDR13.6 | D110*8.1 | 389/S2 | 1.5 | 81 | 6 | 6 | 389/S2 | 11 |
| D125*9.2 502/S2 | 1.5 | 92 | 7 | 7 502/S2 | 13 | |||
| D160*11.8 | 824/S2 | 1.5 | 118 | 8 | 8 | 824/S2 | 16 | |
| D200*14.7 1283/S2 | 2.0 | 147 | 9 | 9 | 1283/S2 19 | |||
| D225*16.6 | 1629/S2 | 2.0 | 166 | 9 | 10 | 1629/S2 | 21 | |
| D250*18.4 2007/S2 | 2.0 | 184 | 10 | 11 | 2007/S2 | 23 | ||
| D315*23.2 | 3189/S2 | 2.5 | 232 | 11 | 13 | 3189/S2 | 29 | |
| SDR11 | D110*10 | 471/S2 | 1.5 | 100 | 7 7 | 471/S2 | 14 | |
| D125*11.4 | 610/S2 | 1.5 | 114 | 8 | 8 | 610/S2 | 15 | |
| D160*14.6 1000/S2 | 2.0 | 146 | 9 9 | 1000/S2 | 19 | |||
| D200*18.2 | 1558/S2 | 2.0 | 182 | 10 | 11 | 1558/S2 | 23 | |
| D225*20.5 1975/S2 | 2.5 | 205 | 11 | 12 | 1975/S2 | 26 | ||
| D250*22.7 | 2430/S2 | 2.5 | 227 | 11 | 13 | 2430/S2 | 28 | |
| D315*28.6 3858/S2 | 3.0 286 13 15 3858/S2 35 | |||||||
ew* ndiko kureba kwebedhi yewelding pamubatanidzwa wefusion.
Mabhero ekupedzisira anofanirwa kupetwa zvizere, asina magomba uye maburi, akaenzana saizi, uye asina kushanduka. Kana yaitwa nemazvo, simba renguva shoma remubatanidzwa webutt fusion rinofanira kunge riri 90% yesimba repombi yePE yemubereki.
Izvo zviyero zvekubatanidza welding zvinofanira kuenderanakune zvinodiwa muFigure:
B=0.35∼0.45en
H=0.2∼0.25en
h=0.1∼0.2en
Cherechedza: Kutevera fusion mhinduro kunofanira benzvengwa:
Over-welding: mhete dzewelding dzakafara zvakanyanya.
Unfitness butt fusion: mapaipi maviri haana kurongeka.
Dry-welding: mhete dzewelding dzakatetepa zvakanyanya, kazhinji nekuda kwekudzikira tembiricha kana kushomeka kwekumanikidza.
Kupeta kusina kukwana: tembiricha yewelding yakadzikira.
Socket Fusion
Kune mapaipi ePE uye mafittings ane madhayamita madiki (kubva pa20mm kusvika 63mm), socket fusion imhando yenzira iri nyore. Unyanzvi uhwu hunosanganisira panguva imwe chete kudziisa zvose zviri kunze kwepombi inopera uye nechomukati chesocket fitting kusvikira zvinhu zvasvika ipapo inorumbidzwa fusion tembiricha, ongorora kunyunguduka pateni, isa pombi inogumira musocket, uye ibatisise panzvimbo kusvikira mubatanidzwa watonhora.Mufananidzo uri pazasi unoratidza atypical socket fusion joint.
Zvinhu zvinopisa zvakaputirwa nePTFE, uye zvinofanira kuchengetedzwa zvakachena uye zvisina kusvibiswa nguva dzose.Maturusi ezvidziviriro anofanira kuiswa uye kuenzaniswa kuti achengetedze kugadzikana kwekushisa kwepamusoro kubva ku240 Cto 260℃, izvo zvinoenderana nehupamhi hwepombi. Kubatanidzwa kwese kunofanirwa kuitwa pasi pekuvhara kudzivirira kusvibiswa kwemajoini kubva kuguruva, tsvina, kana hunyoro.
Iyo nzira ye socket fusion
1. Cheka mapaipi, chenesa chikamu che spigot nemucheka wakachena uye chisingaiti chekuisa doro kusvika kukadzika kuzere kwesokisi. Maka kureba kwesoketi. Chenesa mukati mechikamu chesokisi.
2.Schonya kunze kwepombi spigot kuti ubvise kunze kwepombi. Usakwesha mukati mezvigadziko.
3. Simbisa tembiricha yezvinhu zvinodziya, uye ona kuti nzvimbo dzekudziya dzakachena.
4. Sunda spigot uye socket zvikamu kune zvinodziya zvinhu kusvika kuhurefu hwakazara hwekubatana, uye bvumira kupisa kwenguva yakakodzera.
5. Dhonza spigot uye socket zvikamu kubva kune zvinopisa zvinhu, uye sundira pamwe chete zvakaenzana kusvika kuhurefu hwakazara hwekubatana pasina kukanganisa kwezvibatanidzwa. Bata majoini uye bata kusvika anyatsotonhorerwa. Weld flow bead inofanira kubva yaonekwa yakaenzana kutenderera kuzere denderedzwa resocket end.
Iyo parameters ye socket fusion
| dn, mm | Socket deep, mm | Fusion tembiricha, C | Kupisa nguva, S | Fusion nguva, S | Nguva yekutonhora, S |
| 20 | 14 | 240 | 5 | 4 | 2 |
| 25 | 15 | 240 | 7 | 4 | 2 |
| 32 | 16 | 240 | 8 | 6 | 4 |
| 40 | 18 | 260 | 12 | 6 | 4 |
| 50 | 20 | 260 | 18 | 6 | 4 |
| 63 | 24 | 260 | 24 | 8 | 6 |
| 75 | 26 | 260 | 30 | 8 | 8 |
| 90 | 29 | 260 | 40 | 8 | 8 |
| 110 | 32.5 | 260 | 50 | 10 | 8 |
Ongorora: Socket fusion haina kukurudzirwa kune mapaipi SDR17 uye pazasi.
Mechanical Connections
Senge munzira dzekupisa fusion, akawanda marudzi emakanika ekubatanidza masitayipi uye nzira dziripo, senge: flange yekubatanidza, PE-simbi yekuchinja chikamu ...
Electrofusion
Muchijairira kupisa fusion kujoinha, mudziyo wekudziya unoshandiswa kupisa pombi nenzvimbo dzakakodzera. Iko kusanganiswa kwe electrofusion kunopisa mukati, kungave nemuitisi pahutano hwekubatana kana, semugadziro mumwe, nepolymer conductive.Kupisa kunogadzirwa semagetsi emagetsi anoshandiswa kune conductive material mukugadzirisa. Mufananidzo 8.2.3.A unoratidza mubatanidzwa we electrofusion. PE pombi kune pombi yekubatanidza yakagadzirwa uchishandisa electrofusion process inoda kushandiswa kwe electrofusion couplings. Musiyano mukuru pakati peyakajairwa kupisa fusion uye electrofusion ndiyo nzira inoshandiswa kupisa.
Nzira yeElectrofusion
1. Cheka mapaipi mativi, uye nyora mapaipi pakureba yakaenzana neyakadzika socket.
2. Nyora chikamu chakacherechedzwa chepipe spigot kuti ubvise zvese oxidized PE layers kusvika pakadzika anenge 0.3mm. Usashandise sand paper. Siya zvigadziriso zve electrofusion mubhegi repurasitiki rakavharwa kusvikira zvave kudiwa pakuungana. Usakwesha mukati mekukochekera, chenesa nemuchina unotenderwa kubvisa guruva rose, tsvina, uye hunyoro.
3. Isai pombi mukubatanidza kusvika kune zviratidzo zveuchapupu. Ita shuwa kuti mapaipi akatenderedzwa, uye kana uchishandisa akakomberedzwa PE mapaipi, anotenderedza mabhanhire anogona kudiwa kubvisa ovality. Chengetedza gungano rekubatana.
4. Batanidza dunhu remagetsi, uye tevera mirairo yeimwe simba rekudzora bhokisi. Usachinje akajairwa fusion mamiriro eiyo saizi uye mhando yekukodzera.
5. Siya mubatanidzwa mumusangano wekunamatira kusvikira nguva yakazara yekutonhora yapera.
Saddle Fusion
Nzira yakajairika yekubatanidza chigaro padivi pepombi, inoratidzwa muMufananidzo8.2.4, inosanganisira kupisa panguva imwe chete zvose zviri kunze kwepombi uye nzvimbo inofananidzwa yemhando ye "saddle" inokodzera maturusi ekudziisa ane concave uye convex kusvikira nzvimbo dzose dzasvika pakudziya kwemusanganiswa. Izvi zvinogona kuitwa nekushandisa saddle fusion muchina wakagadzirirwa chinangwa ichi.
Pane matanho masere ekutanga anoteedzana anowanzo shandiswa kugadzira saddle fusion joint:
1.Chenesa nzvimbo yepombi apo chigaro chechigaro chinofanira kuwanikwa
2. Isai masaizi akakodzera maadapter echigaro chechigaro
3. Isa muchina wekusanganisa chigaro papombi
4. Gadzirira nzvimbo dzepombi uye kukodzera maererano nemaitiro akakurudzirwa
5.Kururamisa zvikamu
6.Kupisa zvose pombi uye chigaro chechigaro
7.Press uye ubate zvikamu pamwe chete
8. Kutonhodza mubatanidzwa uye bvisa fusion machine
CHUANGRONGishare indasitiri nekutengeserana kambani yakabatanidzwa, yakavambwa muna 2005 iyo yakatarisana nekugadzirwa kweHDPE Pipes, Fittings & Valves, PPR Pipes, Fittings & Valves, PP compression fittings & Valves, uye kutengeswa kwePlastiki Pipe Welding michina, Pipe Tools, Pipe Repair Clamp zvichingodaro. Kana uchida mamwe mashoko, tapota taura nesu + 86-28-84319855,chuangrong@cdchuangrong.com, www.cdchuangrong.com
Nguva yekutumira: Jul-08-2025
