UHMWPE pipe
UHMWPE pipe:
Chitoliro chapamwamba kwambiri cha polyethylene (UHIMW-PE) ndi mtundu watsopano wa chitoliro cha pulasitiki chomwe sichimva kuvala, chosagwira ntchito, chopanda dzimbiri, sichimayamwa komanso chodzipaka mafuta, motero chimagwiritsidwa ntchito kwambiri m'magawo osiyanasiyana:
1. Kutengera mafuta mtunda wautali: chifukwa cha dzimbiri la dothi loyipa la acidic, madzi a m'nyanja ndi madzi amchere amchere kuzungulira malo opangira mafuta, komanso kulowerera kwamafuta okhala ndi sulfure mkati, moyo wautumiki wa mapaipi achitsulo nthawi zambiri amakhala miyezi ingapo. , ndipo mafuta ambiri osapsa amakhala ndi mamachulukidwe apamwamba, omwe ndi osavuta kunyamula paulendo.Kuyika, makamaka m'nyengo yozizira, payipi imayenera kukhala ndi makina otenthetsera ndi chotchingira chotenthetsera, ndipo imatha kupititsa patsogolo kufalikira komanso moyo wautumiki wa payipi.
2. Grouting kudzaza chitoliro: pamwamba subsidence ndi ming'alu chifukwa cha migodi pansi pa nthaka amafuna tailings madzi grouting kudzazidwa, kubowola pansi, mkulu-anzanu grouting kulimbitsa, kudzaza danga wosanjikiza kulekana, kuchepetsa ndi kulamulira pamwamba subsidence liwiro, Kugwiritsa ntchito kompositi chitoliro chikhoza kupititsa patsogolo kayendetsedwe ka kayendetsedwe kabwino komanso phindu lachuma la polojekitiyi.
3. Makampani opanga mankhwala: kunyamula zinthu zowononga kwambiri monga asidi amphamvu ndi alkali, kunyamula brine, slurry yamchere ndi mchere wosaphika m'makampani amchere amchere.
4. Ntchito zoononga: mapulojekiti owononga monga mitsinje, mitsinje, nyanja, madoko, madoko ndi ntchito zina zoboola kuti ayendetse matope.
5. Umisiri wa m'nyanja: kayendedwe ka madzi a m'nyanja pochotsa mchere m'madzi a m'nyanja.
6. Zomangamanga zamatauni: kuyeretsa zimbudzi, madzi apanyumba ndi gasi ndi gasi.
7. Zigawo zosiyanasiyana zamakina: mapaipi apamwamba kwambiri a polyethylene (UHMW-PE) amatha kusinthidwa kukhala tchire, mayendedwe otsetsereka, ma bushings, odzigudubuza, ma gaskets, etc. mtengo ndi kukonza moyo.
8. Kutumiza mbewu: zaukhondo, zopanda poizoni, zotumiza mwachangu, zosatsekereza, zosavala, komanso zotsika mtengo.Ultra-high molecular weight polyethylene (UHMW-PE) makulidwe a chitoliro ndi kuthamanga kwa ntchito kungapangidwe malinga ndi zomwe wogwiritsa ntchito amafuna.
UHMWPE mafuta chitoliro bwino akalowa chitoliro ndi aloyi zinthu zochokera mkulu maselo polima, amene ali kwambiri avale kukana, kukana mphamvu, kwambiri chilengedwe kupsinjika mng'alu kukana, zabwino kudzipaka mafuta, odana ndi zomatira, kwambiri bata mankhwala ndi zina apamwamba katundu.Machubu odana ndi abrasion okhala ndi polyethylene wolemera kwambiri amatha kuchepetsa kwambiri kuvala kwa ndodo yoyamwitsa ndi khoma lamkati la chubu, kupititsa patsogolo kukana kwa chubu ndi ndodo komanso anti-corrosion performance mkati mwa chubu, amachepetsa kwambiri kulephera kwa mabowo, ndikutalikitsa kuzungulira kwa mpope ndi machubu, moyo wautumiki wa Sucker rod.
Mfundo yogwirira ntchito:
(1) UHMWPE mafuta opangira mafuta amachokera pa mfundo ya sucker rod righting kuti awonetsetse kuti ndodo yoyamwayo yasiyanitsidwa ndi chitoliro chamafuta popanda kukhudzana.Ukadaulo uwu umaphatikizapo: sucker ndodo nayiloni centralizer, sucker rod roller coupling ndi zina zotero.
(2) Chitoliro chapamwamba kwambiri cha molekyulu cholemera cha polyethylene chimapangitsa kuti chitoliro chamafuta chivekedwe molingana ndi mfundo yozungulira.Ukadaulo uwu umaphatikizanso: ukadaulo wa machubu ozungulira ndi ukadaulo wa ndodo.Chitsime chozungulira chimayikidwa panthawi yogwira ntchito, ndipo pamene chitsime cha mafuta chikupangidwa mwachibadwa, kusintha kwa kukhudzana kwa ndodo ndi chitoliro kumatsimikiziridwa ndi kusinthasintha chingwe cha chitoliro cha mafuta, motero kumatalikitsa moyo wautumiki wa ndodo.
(3) Chitoliro chamafuta kwambiri cha polyethylene cholemera kwambiri cha molekyulu chimatsimikizira kuti chitoliro chamafuta ndi ndodo yoyamwa zili pamalo otambasuka molingana ndi mfundo yotambasula, ndikuchepetsa kuvala kwa chitoliro chomwe chimabwera chifukwa cha kukwapula ndi kusakhazikika.Makamaka zikuphatikizapo: mafuta chitoliro nangula luso, m'munsi mwa teknoloji mafuta chitoliro kulemera ndi hayidiroliki ndemanga mpope mafuta luso kupopera.
(4) Ukadaulo wotsutsa-kuvala wamafuta okwera kwambiri amafuta a polyethylene.Zotsutsana ndi kuvala za ndodo zoyamwa zimapangidwa ndi anti-wear polished rod, anti-wear centralizing sleeve ndi anti-bending joint.Pamwamba pa ndodo yotsutsana ndi abrasion ndi nthaka ndi chrome-yokutidwa, ndipo mkono wotsutsana ndi abrasion centering ndi chitsulo chosalala chachitsulo chokhala ndi nylon yolimbikitsidwa 66. Chifukwa cha njira yochepetsera kukoka pakati pa ndodo yopukutidwa ndi manja apakati, kukangana. coefficient ndi yaying'ono kwambiri, kotero dzanja lapakati limakhazikika mu chitoliro chamafuta, ndipo ndodo yotsutsa-kuvala yopukutidwa imatsetsereka mmwamba ndi pansi mu manja oletsa kuvala pakati kuti zitsimikizire kuti chingwe choyamwa sichikukhudzana ndi chitoliro chamafuta, kotero kuti kukangana ndi kuvala kwa ndodo yoyamwitsa ndi chitoliro cha mafuta zimasandulika kumenyana ndi kuvala kwa anti-kuvala kwa ndodo yokhayo.Kukana kuvala kochepa pakati pa ndodo yopukutidwa ndi manja oyika pakati kumapangitsa kuti pasakhale kuvala pang'ono ndikukwaniritsa cholinga choletsa kuvala kwa eccentric kwa chubu cha ndodo.
Zogulitsa:
1. Chitsime chopangira mafuta chimakhala ndi mphamvu yolimba kwambiri:
Kulemera kwa molekyulu ya polyethylene ya ultra-high molecular weight polyethylene ndi yokwera mpaka 2 miliyoni kapena kuposerapo, ndipo ndondomeko yovala ndi yaying'ono, zomwe zimapangitsa kuti zikhale ndi mphamvu zotsutsana ndi kutsetsereka.Kukana kuvala ndi nthawi 6.6 kuposa chitsulo wamba alloy ndi 27.3 nthawi ya chitsulo chosapanga dzimbiri.Ndi 17.9 nthawi ya phenolic resin, 6 kuchulukitsa kwa nayiloni 6 ndi 4 kuposa polyethylene, zomwe zimathandizira kwambiri moyo wautumiki wa payipi.
2. UHMWPE chitsime chamafuta chamafuta chimakhala ndi kukana kwakukulu:
Pakati pa mapulasitiki a uinjiniya omwe alipo, kulimba kwamphamvu kwa mapaipi olemetsa kwambiri a ma molekyulu ndiokwera kwambiri, ndipo zida zambiri zimasweka, kusweka, kusweka kapena kutopa kwapamtunda chifukwa cha kuphulika koopsa kapena kobwerezabwereza.Malinga ndi muyezo wa GB1843, mankhwalawa amayesedwa pamtengo wa cantilever kuti asawonongeke, ndipo amatha kupirira mphamvu zakunja, kuchulukira kwamkati, komanso kusinthasintha kwamphamvu.
3. UHMWPE mafuta chitsime liner ali ndi dzimbiri kukana:
UHMW-PE ndi gulu lodzaza ndi maselo, kotero kukhazikika kwake kwamankhwala ndikokwera.Osachita dzimbiri.Angagwiritsidwe ntchito moyikira hydrochloric asidi ndi ndende zosakwana 80%, ndipo ndithu khola mu asidi sulfuric ndi ndende zosakwana 75% ndi asidi nitric ndi ndende zosakwana 20%.
4. Makina opangira mafuta a UHMWPE ali ndi zodzipaka bwino:
Chifukwa chitoliro cha UHMWPE chili ndi zinthu za waxy, ndipo kudzipaka nokha ndikwabwino kwambiri.Kugundana kwapakati (196N, 2 hours) ndi 0.219MN/m (GB3960).Kudziyendetsa nokha ndikwabwino kuposa chitsulo chopaka mafuta kapena mkuwa.Makamaka m'malo omwe ali ndi chilengedwe choyipa, fumbi ndi dothi, mawonekedwe owuma amafuta amtunduwu amawonetsedwa bwino.Sizimangoyenda momasuka, komanso kuteteza zida zogwirira ntchito kuti zisavale kapena kupsinjika.
5. UHMWPE mafuta chitsime liner ali wapadera otsika kutentha kukana:
Chitoliro cha polyethylene chokhala ndi ma molekyulu apamwamba kwambiri chimakhala ndi kutentha kochepa kwambiri, ndipo kukana kwake komanso kukana kuvala sikusinthika paminus 269 digiri Celsius.Pakali pano ndi pulasitiki yokhayo yauinjiniya yomwe imatha kugwira ntchito pakatentha pafupifupi ziro.Pa nthawi yomweyo, kopitilira muyeso-mkulu maselo kulemera polyethylene chitoliro ali lonse kutentha kusinthasintha ndi ntchito pa kutentha kwa -269 ° C kwa 80 ° C kwa nthawi yaitali.
6. Makina opangira mafuta a UHMWPE siwosavuta kuyeza:
Chifukwa cha mikangano yake yaying'ono komanso yopanda polarity, mapaipi a UHMWPE ali ndi mawonekedwe abwino osamata komanso kumaliza kwa chitoliro.Zida zomwe zilipo nthawi zambiri zimakhala pakati pa pH ya 9 kapena kupitilira apo, koma chitoliro cha polyethylene chowonjezera kwambiri cha molekyulu sichimakula.Ndiwoyeneranso kwambiri pamapaipi monga mafuta osapsa komanso matope.
7. Makina opangira mafuta a UHMWPE amakhala ndi moyo wautali:
UHMWPE payipi ali ochepa unsaturated majini mu unyolo maselo, kutopa kukana wamkulu kuposa 500,000 nthawi, kukana kwambiri chilengedwe akulimbana akulimbana, kukana chilengedwe nkhawa akulimbana > 4000h, kuposa 2 nthawi PE100, m'manda ntchito kwa zaka pafupifupi 50, akhoza kukhalabe kuposa 70% ya makina katundu.
8. Makina opangira mafuta a UHMWPE ndiwosavuta kukhazikitsa:
Mapaipi apamwamba kwambiri a polyethylene (UHMW-PE) amangotengera gawo limodzi mwa magawo asanu ndi atatu a kulemera kwa chitoliro chachitsulo, chomwe chimapangitsa kutsitsa, kutsitsa, kunyamula ndi kuyika kukhala kosavuta, ndipo kumatha kuchepetsa kulimbikira kwa ogwira ntchito.Mapaipi a UHMW-PE ndi oletsa kukalamba Kugonana kwamphamvu, kosavuta kukalamba pambuyo pa zaka 50.Ikhoza kuikidwa pamwamba pa nthaka kapena kukwiriridwa pansi.Kaya ndi welded kapena flanged panthawi yoika, ndi yotetezeka, yodalirika, yachangu komanso yabwino, palibe anti-corrosion, yopulumutsa ntchito, ndi yopulumutsa ntchito, yomwe ikuwonetseratu ubwino wa "kupulumutsa mphamvu, kuteteza chilengedwe, ndalama komanso zothandiza" pogwiritsa ntchito mapaipi a UHMWPE.
9. Makhalidwe ena a mafuta opangira mafuta a UHMWPE:
Mapaipi a UHMWPE alinso ndi mawonekedwe odziwika bwino monga kuyamwa mphamvu, kuyamwa kwa phokoso, antistatic, kutchingira mphamvu zama elekitironi, osayamwa, mphamvu yokoka yowala, makina osavuta, ndi utoto.
Kuchuluka kwa ntchito:
1. Zitsime zopangira mafuta: Ndizoyenera zitsime zamafuta zomwe zimang'ambika pang'ono, zopaka phula, dzimbiri zowopsa, kulephera kwa ndodo zoyamwitsa komanso makulitsidwe a mapaipi amafuta.
2. Jakisoni wamadzi bwino: oyenera zitsime za jakisoni wamadzi zokhala ndi dzimbiri komanso makulitsidwe.
3. Chitoliro chotumizira: Chitoliro chakale chamafuta chokhala ndi dzimbiri kwambiri komanso kuvala pang'ono komwe sikuli koyenera kutsika pansi kungagwiritsidwe ntchito ngati chitoliro chamafuta pambuyo poyala.
4. Zitsime za gasi zowononga: zoyenerera zitsime za gasi zowonongeka ndi mpweya wa H2S ndi CO2.
5. Zitsime zamafuta za m'mphepete mwa nyanja: Moyo wautali ukhoza kuchepetsa mtengo wopangira mafuta m'mphepete mwa nyanja.
