Imibandela Ejwayelekile
Ububanzi bamapayipi e-CHUANGRONG PE busukela ku-20 mm kuya ku-1600 mm, futhi kunezinhlobo eziningi nezitayela zokufakelwa ezitholakalayo amakhasimende angazikhetha. Amapayipi noma izihlanganisi ze-PE zihlanganiswa ngokuhlanganiswa kokushisa noma ngezihlanganisi zemishini.
Ipayipi le-PE lingahlanganiswa namanye amapayipi ezinto ezibonakalayo ngokusebenzisa izinto zokucindezela, ama-flange, noma ezinye izinhlobo ezifanelekayo zezinto zokushintsha ezenziwe.
Isipho ngasinye sinezinzuzo kanye nemikhawulo ethile yesimo ngasinye sokujoyina umsebenzisi angase abhekane naso. Ukuxhumana nabakhiqizi abahlukahlukene kuyalulekwa ukuze uthole isiqondiso ngezinhlelo zokusebenza ezifanele kanye nezitayela ezitholakalayo zokujoyina njengoba kuchazwe kulo mbhalo kanje.
Izindlela Zokuxhuma
Kunezinhlobo eziningana zamajoyinti okuhlanganisa ukushisa avamile asetshenziswa embonini njengamanje: i-Butt, i-Saddle, kanye ne-Socket Fusion. Ngaphezu kwalokho, ukuhlangana kwe-electrofusion (EF) kuyatholakala ngama-couplers akhethekile e-EF kanye ne-saddle fittings.
Umgomo wokuhlanganiswa kokushisa ukushisa ukushisa izindawo ezimbili zibe yizinga lokushisa elibekiwe, bese uzihlanganisa ndawonye ngokusebenzisa amandla anele. La mandla abangela ukuthi izinto ezincibilikisiwe zigeleze futhi zixubane, ngaleyo ndlela kuholele ekuhlanganisweni. Uma zihlanganiswa ngokwezinqubo zomkhiqizi wepayipi kanye/noma zokufaka, indawo yokuhlangana iba namandla noma iqine kunepayipi uqobo, kokubili ezicini zokucindezelwa kanye nengcindezi kanye namalunga ahlanganiswe kahle awavuzi nhlobo. Lapho nje ilunga liphola lize lifinyelele ezingeni lokushisa eliseduze, lilungele ukuphathwa. Izingxenye ezilandelayo zalesi sahluko zinikeza isiqondiso senqubo ejwayelekile sale ndlela yokuxhumana ngayinye.
Izinyathelo Zokuhlanganisa Izinqe
1. Amapayipi kumele afakwe emshinini wokushisela, bese kuthi iziphetho zihlanzwe ngotshwala obungafaki amanzi ukuze kususwe konke ukungcola, uthuli, umswakama, kanye namafilimu anamafutha endaweni engaba ngu-70 mm ukusuka ekugcineni kwepayipi ngalinye, kokubili ngaphakathi nangaphandle kobubanzi.
2. Iziphetho zamapayipi zinqunywa kusetshenziswa umshini wokusika ojikelezayo ukuze kususwe zonke iziphetho eziqinile kanye nezendlalelo ze-oxidation. Iziphetho ezinqunyiwe kumele zibe yisikwele futhi zilingane.
3. Iziphetho zamapayipi e-PE zifudunyezwa ngokuxhumeka ngaphansi kwengcindezi (P1) ngokumelene nepuleti lesifudumezi. Amapuleti esifudumezi kumele ahlanzeke futhi angangcoliswa, futhi agcinwe ngaphakathi kobubanzi bokushisa obungaphezulu (210±5 ℃C ye-PE80, 225±5 C ye-PE100). Ukuxhumeka kugcinwa kuze kube yilapho ukushisa okulinganayo kusungulwe nxazonke kweziphetho zamapayipi, bese ingcindezi yokuxhumeka yehla ibe yinani eliphansi i-P2(P2=Pd). Ukuxhumeka kugcinwa kuze kube yilapho "Isinyathelo Sokumunca Ukushisa" siphela.
Ukuhlanganiswa kwe-Buttfusion
Ukuhlanganiswa kwezinqe kuyindlela esetshenziswa kakhulu yokuhlanganisa ubude obuhlukile bamapayipi e-PE namapayipi ku-PE fittings, okuwukuhlanganiswa kokushisa kweziphetho zezinqe zepayipi njengoba kuboniswe kuMfanekiso. Le ndlela ikhiqiza uxhumano oluhlala njalo, olungabizi futhi olusebenza kahle ekugelezeni. Amajoyinti okuhlanganiswa kwezinqe asezingeni eliphezulu akhiqizwa opharetha abaqeqeshwe kahle abasesimweni esihle.
Ukuhlanganiswa kwezinqe ngokuvamile kusetshenziswa kumapayipi e-PE angaphakathi kobubanzi obungu-63 mm kuya ku-1600 mm kumajoyinti emapayipini, kuma-fittings kanye nokwelashwa kokuphela. Ukuhlanganiswa kwezinqe kunikeza ijoyinti elifanayo elinezakhiwo ezifanayo nezinto zepayipi kanye nama-fittings, kanye nekhono lokumelana nemithwalo emide.
4. Iziphetho zepayipi elifudumele ziyahoxiswa bese ipuleti lesifudumezi lisuswa ngokushesha okukhulu (t3: akukho ngcindezi yokuthintana).
5. Iziphetho zepayipi le-PE elifudumele zibe sezihlanganiswa futhi zicindezelwe ngokulinganayo ngenani lokucindezela kokushisela (P4=P1). Lo mfutho ube usugcinwa isikhathi esithile ukuze inqubo yokushisela yenzeke, bese ijoyinti elihlanganisiwe liphole liye ezingeni lokushisa elifanele bese kwakheka amandla aphelele amalunga. (t4+t5). Phakathi nalesi sikhathi sokupholisa amalunga kumele ahlale engaphazanyiswa futhi ecindezelwe. Akufanele nanini amalunga afuthwe ngamanzi abandayo. Ukuhlanganiswa kwezikhathi, amazinga okushisa, kanye nokucindezela okufanele kusetshenziswe kuncike ebangeni lezinto ze-PE, ububanzi kanye nobukhulu bodonga lwamapayipi, kanye nohlobo kanye nemodeli yomshini wokuxubha osetshenziswayo. Onjiniyela be-CHUANGRONG banganikeza isiqondiso ngamamitha ahlukene, abhalwe ngalezi zindlela ezilandelayo:
| I-SDR | USAYIZI | Pw | ew* | t2 | t3 | t4 | P4 | t5 |
| I-SDR17 | (mm) | (i-MPa) | (mm) | (ama) | (ama) | (ama) | (i-MPa) | (iminithi) |
| 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 | |||
| I-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 | |
| I-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 | |||||||
u-ew* ukuphakama kobuhlalu bokushisela ekuxhumaneni kwe-fusion.
Ubuhlalu bokugcina bokushisela kufanele bugoqwe ngokuphelele, bungabi nezimbobo kanye nezimbobo, bube nosayizi ofanele, futhi bungabi nombala. Uma kwenziwe kahle, amandla amancane esikhathi eside e-butt fusion joint kufanele abe ngu-90% wamandla epayipi le-PE eliyinhloko.
Amapharamitha okuxhumeka kokushisela kufanele avumelaneezidingweni eziseMfanekisweni:
B=0.35∼0.45en
H=0.2∼0.25en
h=0.1∼0.2en
Qaphela: Imiphumela yokuhlanganiswa ngemuva kokuhlanganiswa kufanele bekugwenywe:
Ukushisela ngokweqile: izindandatho zokushisela zibanzi kakhulu.
Ukuhlangana kwezinqe ezingafaneleki: amapayipi amabili awahambelani kahle.
Ukushisela okomile: izindandatho zokushisela zincane kakhulu, ngokuvamile ngenxa yokushisa okuphansi noma ukuntuleka kwengcindezi.
Ukugoba okungaphelele: izinga lokushisa lokushisela liphansi kakhulu.
Ukuhlanganiswa Kwesokhethi
Kumapayipi e-PE kanye nezinto zokufakelwa ezinobubanzi obuncane (kusukela ku-20mm kuya ku-63mm), ukuhlanganiswa kwe-socket kuyindlela elula. Le ndlela ihlanganisa ukushisa ngasikhathi sinye ubuso bangaphandle bokuphela kwepayipi kanye nobuso bangaphakathi bokufakwa kwe-socket kuze kube yilapho izinto zifika lapho izinga lokushisa lokuhlanganiswa elifanele, hlola iphethini yokuncibilika, faka ukuphela kwe-pip kusokhethi, bese uyibamba endaweni yayo kuze kube yilapho ijoyinti liphola. Isithombe esingezansi sibonisa ijoyinti lokuhlanganiswa kwe-socket elingajwayelekile.
Izinto ezisetshenziswa ekufudumaleni zimbozwe yi-PTFE, futhi kumele zigcinwe zihlanzekile futhi zingangcoliswanga ngaso sonke isikhathi. Amathuluzi okufudumaleni kudingeka abekwe futhi alinganiswe ukuze kugcinwe izinga lokushisa elizinzile eliphakathi kuka-240 C kuya ku-260 ℃, okuncike kububanzi bepayipi. Konke ukuhlanganiswa kumele kwenziwe ngaphansi kwesembozo ukuvimbela ukungcoliswa kwamalunga othulini, ukungcola, noma umswakama.
Inqubo yokuhlanganiswa kwe-socket
1. Sika amapayipi, hlanza ingxenye ye-spigot ngendwangu ehlanzekile kanye notshwala obungafaki amanzi kuze kube sekujuleni okuphelele kwe-socket. Maka ubude be-socket. Hlanza ingaphakathi lengxenye ye-socket.
2. Khuhla ingaphandle le-spigot yepayipi ukuze ususe ungqimba lwangaphandle epayipini. Ungakhuhli ingaphakathi lezisekelo.
3. Qinisekisa izinga lokushisa lezinto ezifudumezayo, futhi uqinisekise ukuthi izindawo ezifudumezayo zihlanzekile.
4. Cindezela izingxenye ze-spigot kanye nezisekelo ezintweni zokushisa kuze kube yilapho zisebenza kahle, bese uzivumela zifudumale isikhathi esifanele.
5. Donsa izingxenye ze-spigot kanye ne-socket ezivela ezintweni zokushisa, bese ucindezela ndawonye ngokulinganayo kuze kube yilapho ukuhlangana kuphelele ngaphandle kokuphazamiseka kwamalunga. Bopha amalunga bese ubamba kuze kube yilapho epholile ngokuphelele. Ubhontshisi bokugeleza kwe-weld kufanele buvele ngokulinganayo nxazonke zengxenye ephelele yengxenye yengxenye.
Amapharamitha e- ukuhlanganiswa kwesokhethi
| i-dn, mm | Ukujula kwesokhethi, mm | Izinga lokushisa lokuhlanganiswa, C | Isikhathi sokushisa, S | Isikhathi sokuhlangana, S | Isikhathi sokupholisa, 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 |
Qaphela: Akukhuthazwa ukuhlanganisa amasokhethi kumapayipi e-SDR17 nangaphansi.
Ukuxhumeka Kwemishini
Njengasezindleleni zokuhlanganisa ukushisa, kunezinhlobo eziningi zezindlela zokuxhumanisa ngomshini nezindlela ezitholakalayo, njenge: uxhumano lwe-flange, ingxenye yokuguquka kwensimbi ye-PE...
Ukuhlanganiswa kwe-Electro
Ekuhlanganiseni okuvamile kokushisa, ithuluzi lokushisa lisetshenziswa ukushisa ipayipi kanye nezindawo zokufaka. Ijoyinti le-electrofusion lifudunyezwa ngaphakathi, kungaba yi-conductor endaweni yokuhlangana kwejoyinti noma, njengakwenye indlela, yi-polymer eqhubayo. Ukushisa kudalwa njengoba ugesi usetshenziswa ezintweni eziqhubayo ekufakweni. Isithombe 8.2.3.A sibonisa ijoyinti elivamile le-electrofusion. Ukuxhumeka kwepayipi le-PE kuya kumapayipi okwenziwe kusetshenziswa inqubo ye-electrofusion kudinga ukusetshenziswa kwama-coupling e-electrofusion. Umehluko omkhulu phakathi kwe-convention evamile yokushisa kanye ne-electrofusion yindlela okusetshenziswa ngayo ukushisa.
Inqubo ye-Electrofusion
1. Sika amapayipi abe yisikwele, bese uphawula amapayipi ngobude obulingana nobubanzi besokhethi.
2. Khuhla ingxenye ephawuliwe ye-spigot yepayipi ukuze ususe zonke izingqimba ze-PE ezi-oxidized ziye ekujuleni okungaba ngu-0.3mm. Sebenzisa i-hand scraper, noma i-peel scraper ejikelezayo ukuze ususe izingqimba ze-PE. Ungasebenzisi iphepha lesihlabathi. Shiya izinto ezihlanganisiwe nge-electrofusion esikhwameni sepulasitiki esivaliwe kuze kube yilapho kudingeka ukuze uhlangane. Ungakhuhli ingaphakathi le-fitting, hlanza ngesihlanzi esivunyelwe ukususa lonke uthuli, ukungcola, kanye nomswakama.
3. Faka ipayipi endaweni yokuxhumanisa kuze kufike ezimpawini zofakazi. Qinisekisa ukuthi amapayipi ayindilinga, futhi uma usebenzisa amapayipi e-PE ahlanganisiwe, kungadingeka ama-clamp ajikelezayo ukuze kususwe i-ovality. Faka i-joint assembly.
4. Xhuma isekethe kagesi, bese ulandela imiyalelo yebhokisi lokulawula amandla elithile. Ungashintshi izimo ezijwayelekile zokuhlanganiswa kosayizi othile kanye nohlobo lokufakwa.
5. Shiya ijoyinti esihlanganisini se-clamp kuze kube yilapho isikhathi sokupholisa siphelile.
Ukuhlanganiswa Kwesihlalo
Indlela evamile yokuhlanganisa isihlalo sobukhosi eceleni kwepayipi, eboniswe kuMfanekiso 8.2.4, ihlanganisa ukushisa ngasikhathi sinye ubuso bangaphandle bepayipi kanye nobuso obufanayo bokufakwa kohlobo "lwesihlalo sobukhosi" ngamathuluzi okushisa aqondile nayi-convex kuze kube yilapho zombili izindawo zifinyelela izinga lokushisa elifanele lokuhlangana. Lokhu kungenziwa ngokusebenzisa umshini wokuhlanganisa isihlalo sobukhosi owenzelwe le njongo.
Kunezinyathelo eziyisishiyagalombili eziyisisekelo ezilandelanayo ezivame ukusetshenziselwa ukudala i-saddle fusion joint:
1. Hlanza indawo engaphezulu yepayipi lapho kuzobekwa khona isihlalo sehhashi
2. Faka ama-adaptha esihlalo se-heater afanele
3. Faka umshini wokuhlanganisa isihlalo epayipini
4. Lungisa izindawo zombhobho bese uzihlanganisa ngokuhambisana nezinqubo ezinconyiwe
5. Qondanisa izingxenye
6. Fudumeza kokubili ipayipi kanye nokufakwa kwesihlalo sehhashi
7. Cindezela bese ubamba izingxenye ndawonye
8. Pholisa ijoyinti bese ususa umshini wokuhlanganisa
CHUANGRONGiyinkampani ehlanganisiwe embonini yamasheya kanye nokuhweba, eyasungulwa ngo-2005 eyayigxile ekukhiqizweni kwamapayipi e-HDPE, ama-Fittings & Valve, amapayipi e-PPR, ama-Fittings & Valve, ama-PP compression fittings & Valve, kanye nokuthengiswa kwemishini yokushisela amapayipi epulasitiki, amathuluzi amapayipi, i-Pipe Repair Clamp nokunye. Uma udinga imininingwane eyengeziwe, sicela usithinte +86-28-84319855,chuangrong@cdchuangrong.com, www.cdchuangrong.com
Isikhathi sokuthunyelwe: Julayi-08-2025
