Zopereka Zonse
Mapaipi a CHUANGRONG PE ali ndi mainchesi kuyambira 20 mm mpaka 1600 mm, ndipo pali mitundu yambiri ndi mitundu ya zolumikizira zomwe makasitomala angasankhe. Mapaipi a PE kapena zolumikizira zimalumikizidwa wina ndi mnzake pogwiritsa ntchito kutentha kapena ndi zolumikizira zamakina.
Chitoliro cha PE chingalumikizidwenso ndi mapaipi ena pogwiritsa ntchito zipangizo zomangira, ma flange, kapena mitundu ina yoyenerera ya zipangizo zosinthira zopangidwa.
Chopereka chilichonse chili ndi ubwino ndi zoletsa zinazake pa vuto lililonse lolowa lomwe wogwiritsa ntchito angakumane nalo. Kulumikizana ndi opanga osiyanasiyana ndikofunikira kuti akupatseni malangizo okhudza momwe mungagwiritsire ntchito bwino komanso njira zoyenera zolowera monga momwe zafotokozedwera m'chikalatachi motere.
Njira Zolumikizirana
Pali mitundu ingapo ya ma heat fusion joints omwe amagwiritsidwa ntchito pakali pano mumakampaniwa: Butt, Saddle, ndi Socket Fusion. Kuphatikiza apo, ma electrofusion (EF) jointing amapezeka ndi ma EF couplers apadera ndi ma saddle fittings.
Mfundo yaikulu ya kusakaniza kutentha ndi kutentha malo awiri kufika pa kutentha koyenera, kenako nkuwaphatikiza pamodzi pogwiritsa ntchito mphamvu yokwanira. Mphamvu imeneyi imapangitsa kuti zinthu zosungunuka ziyende bwino ndikusakanikirana, zomwe zimapangitsa kuti zigwirizane. Zikaphatikizidwa motsatira njira za opanga, malo olumikizirana amakhala olimba kapena amphamvu kuposa chitolirocho, chomwe chili ndi mphamvu zomangika komanso kupanikizika, komanso malo olumikizirana bwino, samatulutsa madzi. Chitolirocho chikangozizira kufika pa kutentha kofanana ndi komwe chili, chimakhala chokonzeka kugwiritsidwa ntchito. Magawo otsatirawa a mutu uno akupereka malangizo a njira iliyonse yolumikizirana.
Masitepe Ophatikiza Matako
1. Mapaipi ayenera kuyikidwa mu makina olumikizira zitsulo, ndipo malekezero ake ayenera kutsukidwa ndi mowa wosathira kuti achotse dothi lonse, fumbi, chinyezi, ndi mafilimu amafuta kuchokera pamalo okwana 70 mm kuchokera kumapeto kwa chitoliro chilichonse, mkati ndi kunja kwa chitolirocho.
2. Malekezero a mapaipi amadulidwa pogwiritsa ntchito chodulira chozungulira kuti achotse malekezero onse okhwima ndi zigawo za okosijeni. Malekezero odulidwawo ayenera kukhala amakona anayi komanso ofanana.
3. Malekezero a mapaipi a PE amatenthedwa polumikiza pansi pa mphamvu (P1) motsutsana ndi mbale yotenthetsera. Ma heater plates ayenera kukhala oyera komanso opanda kuipitsidwa, ndipo ayenera kusungidwa mkati mwa kutentha kwa pamwamba (210±5 ℃C ya PE80, 225±5 C ya PE100). Kulumikizana kumasungidwa mpaka kutentha kofanana kukhazikike mozungulira malekezero a mapaipi, ndipo kuthamanga kwa kulumikizana kumachepa kufika pa mtengo wotsika wa P2(P2=Pd). Kulumikizana kumasungidwa mpaka "Gawo Loyamwa Kutentha" litatha.
Kusakaniza kwa matako
Kulumikiza matako ndi njira yomwe imagwiritsidwa ntchito kwambiri polumikiza kutalika kwa mapaipi ndi mapaipi a PE ku zolumikizira za PE, zomwe zimachitika pophatikiza kutentha kwa malekezero a matako a mapaipi monga momwe zasonyezedwera pachithunzichi. Njirayi imapanga kulumikizana kosatha, kotsika mtengo komanso kogwira ntchito bwino. Malumikizidwe apamwamba a matako amapangidwa ndi ogwiritsa ntchito ophunzitsidwa bwino omwe ali bwino.
Kusakaniza matako nthawi zambiri kumagwiritsidwa ntchito pa mapaipi a PE omwe ali pakati pa 63 mm ndi 1600 mm pa zolumikizira pa mapaipi, zolumikizira ndi zolumikizira kumapeto. Kusakaniza matako kumapereka cholumikizira chofanana chomwe chili ndi mawonekedwe ofanana ndi a chitoliro ndi zida zolumikizira, komanso kuthekera kolimbana ndi katundu wautali.
4. Mapeto a chitoliro chotenthetsera amachotsedwa ndipo mbale yotenthetsera imachotsedwa mwachangu momwe zingathere (t3: palibe kupsinjika kwa kukhudzana).
5. Mapeto a chitoliro cha PE chotenthedwa amasonkhanitsidwa pamodzi ndikukakamizidwa mofanana ku mphamvu ya welding (P4 = P1). Kupanikizika kumeneku kumasungidwa kwa nthawi kuti njira yowelding ichitike, ndipo cholumikizira chosakanikirana chizizire mpaka kutentha kozungulira motero chimapanga mphamvu zonse za cholumikizira. (t4 + t5). Munthawi yozizirayi, zolumikizira ziyenera kukhala zosasokonezeka komanso zopanikizika. Palibe chifukwa chilichonse choti zolumikizira zipukutidwe ndi madzi ozizira. Kuphatikiza kwa nthawi, kutentha, ndi kupsinjika komwe kungagwiritsidwe ntchito kumadalira mtundu wa zinthu za PE, kukula kwake ndi makulidwe a makoma a mapaipi, komanso mtundu ndi mtundu wa makina osakanikirana omwe akugwiritsidwa ntchito. Mainjiniya a CHUANGRONG angapereke malangizo m'mamita osiyana, omwe alembedwa m'njira zotsatirazi:
| SDR | SIZE | Pw | ew* | t2 | t3 | t4 | P4 | t5 |
| SDR17 | (mm) | (MPa) | (mm) | (s) | (s) | (s) | (MPa) | (mphindi) |
| 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* ndi kutalika kwa mkanda wowotcherera pa cholumikizira cholumikizira.
Mikanda yomaliza yothira iyenera kuzunguliridwa yonse, yopanda mabowo ndi mipata, kukula koyenera, komanso yopanda kusintha mtundu. Ikachitidwa bwino, mphamvu yochepa ya nthawi yayitali ya cholumikizira cha matako iyenera kukhala 90% ya mphamvu ya chitoliro choyambirira cha PE.
Magawo a kulumikizana kwa welding ayenera kugwirizanaku zofuna zomwe zili mu Chithunzi:
B=0.35∼0.45en
H=0.2∼0.25en
h=0.1∼0.2en
Zindikirani: Zotsatira za fusion ziyenera kutsatiridwa bekupewa:
Kuwotcherera mopitirira muyeso: mphete zowotcherera ndi zazikulu kwambiri.
Kulumikizana kwa matako osalimba: mapaipi awiriwa sali bwino.
Kuwotcherera kouma: mphete zowotcherera zimakhala zopapatiza kwambiri, nthawi zambiri chifukwa cha kutentha kochepa kapena kusowa kwa mphamvu.
Kupindika kosakwanira: kutentha kwa welding ndi kochepa kwambiri.
Kusakaniza kwa Socket
Pa mapaipi ndi zolumikizira za PE zomwe zili ndi mainchesi ang'onoang'ono (kuyambira 20mm mpaka 63mm), kusakaniza kwa socket ndi njira yabwino. Njira imeneyi imaphatikizapo kutenthetsa nthawi imodzi pamwamba pa chitoliro ndi pamwamba pa socket mpaka zinthuzo zitafika kutentha koyenera kwa fusion, kuyang'ana momwe kusungunuka kumakhalira, kuyika ma pip end mu socket, ndikuyigwira pamalo ake mpaka cholumikiziracho chizizire. Chithunzi chili pansipa chikuwonetsa cholumikizira cha socket chosazolowereka.
Zinthu zotenthetsera zimakutidwa ndi PTFE, ndipo ziyenera kusungidwa zoyera komanso zopanda kuipitsidwa nthawi zonse. Zida zotenthetsera ziyenera kukhazikitsidwa ndikuwongoleredwa kuti kutentha kwa pamwamba kukhale kokhazikika kuyambira 240 C mpaka 260 ℃, zomwe zimatengera kukula kwa chitoliro. Kulumikiza konse kuyenera kuchitidwa pansi pa chivundikiro kuti kupewe kuipitsidwa kwa malo olumikizirana ndi fumbi, dothi, kapena chinyezi.
Njira yolumikizira socket
1. Dulani mapaipi, yeretsani gawo la spigot ndi nsalu yoyera ndi mowa wosathira mpaka pansi pa soketi. Lembani kutalika kwa soketi. Tsukani mkati mwa gawo la soketi.
2. Kokani kunja kwa chitoliro cha payipi kuti muchotse gawo lakunja kuchokera pa chitolirocho. Musakoke mkati mwa malo olumikizirana.
3. Tsimikizirani kutentha kwa zinthu zotenthetsera, ndipo onetsetsani kuti malo otenthetsera ndi oyera.
4. Kanikizani spigot ndi magawo a socket ku zinthu zotenthetsera mpaka nthawi yonse yogwirira ntchito, ndipo lolani kuti zitenthe kwa nthawi yoyenera.
5. Kokani magawo a spigot ndi socket kuchokera ku zinthu zotenthetsera, ndikukankhira pamodzi mofanana mpaka kutalika konse kwa kulumikizana popanda kusokoneza ma connection. Mangani ma connection ndikugwira mpaka ataziziritsidwa bwino. Kenako mkanda wothira weld uyenera kuwoneka mofanana kuzungulira kwathunthu kumapeto kwa socket.
Magawo a kusakanikirana kwa soketi
| dn, mm | Kuzama kwa soketi, mm | Kutentha kwa fusion, C | Nthawi yotentha, S | Nthawi yosakanikirana, S | Nthawi yozizira, 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 |
Dziwani: Kusakaniza kwa socket sikuvomerezeka pa mapaipi a SDR17 ndi pansi pake.
Maulumikizidwe a Makina
Monga momwe zimakhalira ndi njira zolumikizira kutentha, mitundu yambiri ya njira zolumikizira makina ndi njira zikupezeka, monga: kulumikizana kwa flange, gawo losinthira la PE-chitsulo...
Kusakanikirana kwa Maginito
Mu njira yolumikizira kutentha yachizolowezi, chida chotenthetsera chimagwiritsidwa ntchito kutentha chitoliro ndi malo olumikizira. Cholumikizira chamagetsi chimatenthedwa mkati, kaya ndi kondakitala pamalo olumikizirana a cholumikiziracho kapena, monga momwe zimakhalira mu kapangidwe kamodzi, ndi polima woyendetsa. Kutentha kumapangidwa pamene magetsi amagetsi amagwiritsidwa ntchito pazinthu zoyendetsera zomwe zili mu cholumikiziracho. Chithunzi 8.2.3.A chikuwonetsa cholumikizira chamagetsi chachizolowezi. Kulumikizana kwa chitoliro cha PE kupita ku chitoliro komwe kumapangidwa pogwiritsa ntchito njira yolumikizira magetsi kumafuna kugwiritsa ntchito ma electrofusion couplings. Kusiyana kwakukulu pakati pa electrofusion yachizolowezi ndi electrofusion ndi njira yomwe kutentha kumagwiritsidwira ntchito.
Njira ya Electrofusion
1. Dulani mapaipiwo mozungulira, ndipo lembani mapaipiwo kutalika kofanana ndi kuya kwa soketi.
2. Pakani gawo lolembedwa la chitoliro cha payipi kuti muchotse zigawo zonse za PE zosungunuka kufika pa kuya kwa pafupifupi 0.3mm. Gwiritsani ntchito chokokera ndi manja, kapena chokokera chozungulira kuti muchotse zigawo za PE. Musagwiritse ntchito pepala la mchenga. Siyani zolumikizira zamagetsi mu thumba la pulasitiki lotsekedwa mpaka pakufunika kuyikamo. Musakanda mkati mwa chokokeracho, yeretsani ndi chotsukira chovomerezeka kuti muchotse fumbi, dothi, ndi chinyezi chonse.
3. Ikani chitolirocho mu cholumikizira mpaka zizindikiro za umboni. Onetsetsani kuti mapaipi ali ozungulira, ndipo mukagwiritsa ntchito mapaipi a PE ozungulira, pangafunike ma clamp ozungulira kuti muchotse dzira. Ikani chitolirocho mu cholumikiziracho.
4. Lumikizani dera lamagetsi, ndikutsatira malangizo a bokosi lowongolera mphamvu. Musasinthe mikhalidwe yokhazikika yolumikizira kukula ndi mtundu wa cholumikiziracho.
5. Siyani cholumikiziracho mu cholumikizira cha clamp mpaka nthawi yonse yozizira itatha.
Kusakaniza kwa Saddle
Njira yachikhalidwe yolumikizira chishalo kumbali ya chitoliro, monga momwe zasonyezedwera pa Chithunzi 8.2.4, imaphatikizapo kutenthetsa nthawi yomweyo pamwamba pa chitoliro ndi pamwamba pofanana ndi "chishalo" cholumikizidwa ndi zida zotenthetsera zooneka ngati concave ndi convex mpaka malo onse awiri atafika kutentha koyenera. Izi zitha kuchitika pogwiritsa ntchito makina olumikizira chishalo omwe adapangidwira cholinga ichi.
Pali njira zisanu ndi zitatu zoyambira zomwe nthawi zambiri zimagwiritsidwa ntchito popanga cholumikizira cha saddle:
1. Tsukani malo olumikizira chitoliro pomwe payenera kukhala cholumikizira cha mpando
2. Ikani ma adapter a chishalo cha heater okwanira
3. Ikani makina olumikizira chidebe pa chitoliro
4. Konzani malo a chitoliro ndi kuyikamo motsatira njira zomwe zalangizidwa
5. Konzani ziwalozo
6. Tenthetsani chitoliro ndi cholumikizira cha mpando
7. Kanikizani ndi kugwira ziwalozo pamodzi
8. Ziziritsani cholumikiziracho ndikuchotsa makina olumikizira
CHANGRONGndi kampani yogwirizana ndi makampani ogulitsa magawo ndi malonda, yomwe idakhazikitsidwa mu 2005 yomwe imayang'ana kwambiri pakupanga Mapaipi a HDPE, Zolumikizira ndi Ma Vavu, Mapaipi a PPR, Zolumikizira ndi Ma Vavu, Zolumikizira ndi Ma Vavu a PP, komanso kugulitsa makina olumikizira mapaipi apulasitiki, Zida za mapaipi, Cholumikizira Chokonzera Mapaipi ndi zina zotero. Ngati mukufuna zambiri, chonde titumizireni uthenga +86-28-84319855,chuangrong@cdchuangrong.com, www.cdchuangrong.com
Nthawi yotumizira: Julayi-08-2025
