Mawu oyamba
Chifukwa ma waya olimba azitsulo amakutidwa ndi mapulasitiki opitilira muyeso, ma waya achitsulo a polyethylene chitoliro chophatikizira chimathetsa zovuta za mapaipi azitsulo ndi pulasitiki, pomwe zimasunga maubwino a mapaipi ndi mapaipi apulasitiki.
Zitsulo mauna mafupa polyethylene gulu chitoliro, ntchito apamwamba chuma ndi luso kupanga patsogolo, kuti ali ndi kuthamanga kuthamanga performance.At nthawi yomweyo, chitoliro gulu ali kusinthasintha kwambiri, ndipo ndi oyenera mtunda wautali m'manda madzi ndi payipi dongosolo mpweya .Wire mauna mafupa a polyethylene ophatikizira chitoliro ndi ma polyethylene magetsi osakanikirana chitoliro. Mukalumikiza, gwiritsani ntchito zotentha mkati mwa chitoliro choyenera kusungunula pulasitiki yakunja ya chitoliro ndi pulasitiki wamkati wa chitoliro choyenera, ndikulumikiza molondola chitoliro ndi chitoliro choyenera pamodzi.
Pogwiritsa ntchito mapangidwe apamwamba a polyethylene (HDPE), mafelemu olimba achitsulo olimba kuti apange mphamvu yolimba yolimbitsa thupi. Kutentha kwa ma thaulo ndi kutentha komwe kumapitilira pansi pa zero, ndipo sikumawombera. Koposa zonse, zolowetsa zathu zotsika mtengo zophatikizira chitoliro - cholumikizira chitoliro sichichotsera kulephera - kuyika kwaulere Chifukwa cha izi, mapaipi a SRTP amagwiritsidwa ntchito nthawi zambiri m'mizinda, madzi, zomangamanga, mafuta ndi minda yamafuta, mafakitale amagetsi, mapaipi opatsira magetsi, migodi yazitsulo, mayendedwe amadzi apanyanja, zomangamanga, ulimi ndi kuyika zingwe zama fiber.
Zogulitsa
Zitsulo thumba mafupa polyethylene gulu chitoliro ali ndi makhalidwe wamba odana ndi dzimbiri, palibe makulitsidwe, yosalala otsika kukana, kutchinjiriza matenthedwe, palibe sera, avale kukana, kuwala kulemera ndi mapaipi ena pulasitiki, ndi kapangidwe wapadera anapanganso makhalidwe awa:
(1) Good zokwawa kukana ndi mkulu wokhalitsa mphamvu mawotchi
Chifukwa pulasitikiyo imalowa m'chipinda chotentha komanso ikapanikizika, kusweka kwachangu kumachitika chifukwa cha kupsinjika kwanthawi yayitali, chifukwa chake kupsinjika kololezeka komanso kutulutsa kwa chitoliro choyera cha pulasitiki ndikotsika kwambiri (makamaka mkati mwa 1.0MPa). Mphamvu yazitsulo imakhala pafupifupi nthawi 10 ya thermoplastic, ndipo imakhazikika pamtanda wotentha wa pulasitiki. Mitundu ya pulasitiki yokhayokha ndiyabwino kwambiri.
(2) kutentha kukana
Mphamvu ya chitoliro cha pulasitiki imachepetsedwa ndikuwonjezeka kwa kutentha kwakanthawi kogwiritsa ntchito kwake. Mphamvu ya chitoliro cha pulasitiki imachepetsedwa ndi kupitirira 10% pakukula kulikonse kwa 10 in kutentha. Pafupifupi 2/3 yamphamvu ya chitoliro chama polyethylene yokhala ndi mafupa achitsulo imanyamulidwa ndi mafupa achitsulo, mphamvu yake imachepa ndi Kuwonjezeka kwa kutentha kwagwiritsa ntchito poyerekeza ndi chitoliro chilichonse choyera cha pulasitiki. Zotsatira zoyesera zikuwonetsa kuti mphamvu ya chitoliro chama PE imachepa ochepera 5% ndikuwonjezeka kwa 10 ℃.
(3) kukhazikika kwabwino, kukana kwamphamvu, kukhazikika kwamphamvu, komanso kusinthasintha pang'ono, kuuma ndi kufewa
Chitsulo chosanjikiza chachitsulo nthawi zambiri chimakhala pafupifupi 200 poyerekeza ndi polyethylene yochulukirapo. Kukhazikika, kukana kwamphamvu ndi kukhazikika kwamphamvu kwa polyethylene chitoliro chazitsulo zopangidwa ndi chitsulo chosanja ndikwabwino kuposa chitoliro chilichonse choyera cha pulasitiki chifukwa cholimbikitsidwa kwa chimango chachitsulo.Nthawi yomweyo, chimango chazitsulo chokhachokha chimakhala chosinthika, kotero kuti chitoliro chophatikizika chimakhala ndi kusinthasintha kwina mu njira yolumikizira. itha kupulumutsa kuchuluka kwa zogwiriziza, zotsika mtengo; Kuyika mobisa kumatha kupirira zovuta mwadzidzidzi chifukwa chokhazikika, kuterera, galimoto, ndi zina. .
(4) Chokwana koyefishienti wa matenthedwe kukula
Chifukwa cha liniya kuwonjezeka koyefishienti zachitsulo waya pa chitoliro pulasitiki ndi 10,6 ~ 12,2 × 10-6 (1 / ℃), ndi liniya kuwonjezeka koyefishienti koyera chitoliro pulasitiki ndi 170 × 10-6 (1 / ℃), ndi matenthedwe kukula Chingwe chazitali zazitali kwambiri cha mafelemu opangira ma polyethylene chitoliro chimakonzedwa bwino pansi pa choletsa cha mafupa achitsulo, omwe ndi ocheperako kuposa chitoliro chilichonse chodziwika bwino cha pulasitiki. (1 / ℃), yomwe ndi nthawi 3 ~ 3.4 yokha ya payipi wamba yazitsulo. Zotsatira zoyeserera zikuwonetsa kuti chida chobwezeretsa kutentha sichofunikira pakukhazikitsa, ndipo chitolirocho chimatha kulowetsedwa (kapena kutulutsidwa) kudzera ya kuyala kumulowetsa, motero kumachepetsa mtengo wopangira.
(5) Kulimbana mwachangu sikudzachitika
Chitoliro choyera cha pulasitiki makamaka chitoliro chachikulu cha pulasitiki chachikulu chomwe chimachitika chifukwa cha kupsinjika kwakanthawi kotentha, kusavuta kosavuta ndi zolakwika zakomweko, kupsinjika kwamaganizidwe komwe kumachitika chifukwa chothana msanga (pompano mamitala mazana angapo mpaka km pamwambapa), chifukwa chake chitoliro chamayiko chamakono Kukana kwapulasitiki mwachangu kumabweretsa zofunikira kwambiri, ndipo chitsulo chotsika kwambiri sichinthu chovuta kuphulika, Ndikupezeka kwa sefa wachitsulo, kusinthika ndi kupsinjika kwa pulasitiki sikudzafika pachimake chomwe chimayambitsa kulimbana mwachangu. palibe kulimbana mofulumira kwa polyethylene chitoliro chokhala ndi mafupa achitsulo.
6) chitsulo, pulasitiki mitundu iwiri ya zida gulu yunifolomu ndi odalirika
Pakadali pano, chitoliro chazitsulo chakapulasitiki pamsika chifukwa chophatikizika pakati pa chitsulo ndi pulasitiki ndichowoneka mosalekeza, kugwiritsidwa ntchito kwanthawi yayitali poyeserera kupsinjika ndikosavuta kuyipitsa, zomwe zimapangitsa kutayikira kolumikizana, kupindika kwamkati kwa botolo, Kutsekedwa ndi kulephera.Compared ndi chitsulo mauna mafupa polyethylene chitoliro gulu ndi mauna dongosolo mwa wapadera otentha Sungunulani zomatira (kusinthidwa HDPE) kuti pulasitiki ndi mauna zitsulo pamodzi ndi Integrated. kusokonezeka maganizo.
7) Magulu awiri odana ndi dzimbiri
Chimango chachitsulo cholumikizira ma waya ndichopangidwa ndi pulasitiki ndi mawonekedwe osanjikiza otentha osungunuka, mkati ndi kunja kwa chitoliro chimakhala ndi magwiridwe anthawi zonse a dzimbiri, osagonjetsedwa, khoma lamkati losalala, kukana kwakanthawi kochepa, osakulitsa, kulibe sera, mphamvu yopulumutsa mphamvu ndiyodziwikiratu, ndiyokwera mtengo kwambiri komanso yosavuta poyendetsa m'manda ndikuwononga chilengedwe.
(8) Wodziyendetsa bwino
Chifukwa cha mafupa achitsulo, ma payipi opangidwa ndi polyethylene okhala ndi mafupa achitsulo amatha kupezeka ndi njira yodziwika bwino yamaginito, kuti tipewe kuwonongeka komwe kumadza chifukwa cha ntchito zina zokumba. ndi chubu china chosakhala chachitsulo kuti chiwonongeke kwambiri.
(9) kusintha kosavuta komanso kosavuta kwa kapangidwe kazinthu ndi magwiridwe ake
Kapangidwe ndi kagwiridwe ka ntchito kamatha kusinthidwa posintha kukula kwa waya wachitsulo, katayanitsidwe ka khoka, makulidwe a pulasitiki wosanjikiza, pulasitiki ndi mtundu wa malonda, kuti akwaniritse zofunikira pakakakamizika kosiyanasiyana kukana, kutentha kukana ndi kukana dzimbiri.
(10) kuphatikiza kwapadera kwamagetsi, zosiyanasiyana, kukhazikitsa ndikofulumira komanso kodalirika
Kulumikizana kwa chitoliro chophatikizika cha polyethylene chokhala ndi mauna achitsulo chimakhala ndi njira ziwiri: Chitoliro choyenera chimasungunuka kuti zisungunuke, kusungunuka kumakulitsa ndikudzaza kusiyana pakati pa chitoliro, mpaka kunja kwa chitoliro kumatulutsanso kusungunuka, ziwiri chimasungunuka chimasungunuka pamodzi, pambuyo kuzirala ndi kupanga, chitoliro ndi zovekera chitoliro ndi zolumikizana kwambiri ngati chimodzi.
Ntchito zosiyanasiyana
● Umisiri wamatauni: madzi akumatauni, madzi otentha obwerera kumbuyo, gasi, payipi ya gasi.
● Kupanga mankhwala: acid, alkali, mafakitale opanga mchere, petrochemical, feteleza wamankhwala, mankhwala, mankhwala, labala ndi pulasitiki ndi mafakitale ena kunyamula mpweya wowononga, madzi, chitoliro cholimba cha ufa ndi chitoliro chotulutsa.
● Magawo amafuta ndi gasi: Zimbudzi zonyamula mafuta, zimbudzi za gasi, mafuta ndi mafuta osakanizika, kupuma kwamafuta achiwiri komanso kwamaphunziro apamwamba.
● Umisiri wamagetsi: kukonza madzi, kutumiza madzi kumbuyo, kuchotsa fumbi, zotsalira za zinyalala ndi mapaipi ena.
● Mgodi wamagetsi: kusungunula kwazitsulo zosapanga dzimbiri popereka makina owola ndi zamkati.
● Msewu waukulu: chitoliro chojambulidwa ndi ngalande
● Zomangamanga: zoyendetsa m'madzi, mapaipi oyenda pansi pamadzi ndi chingwe chamagetsi (zamagetsi), ndi zina zambiri.
● Kumanga zombo: Chitoliro cha zimbudzi za m'madzi, chitoliro chazinyalala, chitoliro chamadzi a ballast, chitoliro cholowera
Kukonza kutayikira
Apa ndikudziwitsani za chitoliro chomwe chimagwiritsidwa ntchito kwambiri komanso njira yolumikizira chitoliro chamagetsi:
1. Konzani zida: makina odulira, makina akupera, makina olumikizira magetsi, cholamulira chachitsulo, cholembera, sledgehammer, pad pad ndikubwezeretsa mapaipi ndi zovekera zamagetsi zamagetsi.
2. Kokani madzi mu chitoliro pasadakhale, ndikuchotsani chitoliro kapena chitoliro choyenera pamalo omwe akutulukawo; Kenako muyese kutalika kwa gawolo kuti mulowe ndi cholamulira chachitsulo, kenako ndikudula chitoliro cha kutalika komweko . Ngati zovekera zamagetsi zamagetsi zikufunika, malo ndi kukula kwake kuyenera kuwerengedweratu kuti mupewe zolakwika.
3. Chitoliro chodulira kapena chitoliro chikalumikizidwa ndi payipi yapachiyambi, tiyenera kuwonetsetsa kuti Angle ndiyabwino, ndipo sipadzakhala zovuta kapena zina, kuti tipewe kusunthika ndi kutayikira kwa zovekera zamagetsi zamagetsi nthawi kuwotcherera.
4. Tikamawotchera zovekera zamagetsi zamagetsi, tiyenera kuwonetsetsa kuti mulibe madzi mkati mwa payipi, apo ayi ndizovuta kutulutsa zolimba zamagetsi zamagetsi molimba.
5. Welding ikamalizidwa, iyenera kuti idakhazikika kwa mphindi zoposa 120 asanayese madzi.