Ipayipi le-UHMWPE
Ipayipi le-UHMWPE:
Ipayipi le-polyethylene (UHIMW-PE) elinesisindo esiphezulu se-molecular (UHIMW-PE) liwuhlobo olusha lwepayipi lepulasitiki elikwazi ukumelana nokugqokwa, ukumelana nokushayisana, ukumelana nokugqwala, elingamunyi futhi lizigcoba ngokwalo, ngakho lisetshenziswa kabanzi emikhakheni eyahlukene:
1. Ukuthuthwa kukawoyela amabanga amade: ngenxa yokugqwala kwenhlabathi ene-asidi enokhahlo, amanzi olwandle namanzi anosawoti emvelo azungeze indawo kawoyela, kanye nokungenwa kukawoyela wangaphakathi anesibabule, ukuphila komsebenzi wamapayipi ensimbi ngokuvamile kuyizinyanga ezimbalwa kuphela. , futhi uwoyela omningi ongahluziwe une-viscosity ephezulu, okulula ukuwuhambisa ngesikhathi sokuthutha.Ukubekwa, ikakhulukazi ebusika, ipayipi lidinga ukuhlonyiswa ngesistimu yokushisisa kanye nongqimba lwe-thermal insulation, futhi lingathuthukisa kakhulu ukusebenza kahle kokudlulisela kanye nempilo yesevisi yepayipi.
2. Ipayipi lokugcwalisa i-grouting: indawo engaphansi komhlaba kanye nokuqhekeka okubangelwa ukumba izimayini ezingaphansi komhlaba kudinga ukugcwaliswa kwe-tailings amanzi, ukumba umhlabathi, ukuqiniswa kwe-high-pressure grouting, ukugcwaliswa kwesikhala sesendlalelo sokuhlukanisa, ukunciphisa kanye nokulawula isivinini se-subsidence ebusweni, Ukusetshenziswa kwe-composite ipayipi lingathuthukisa ukusebenza kahle kokudlulisa kanye nenzuzo yezomnotho yephrojekthi.
3. Imboni yamakhemikhali: ukuthuthwa kwemithombo yezindaba egqwala kakhulu njenge-asidi eqinile ne-alkali, ukuthuthwa kwe-brine, i-slurry kasawoti kanye nosawoti oluhlaza embonini yamakhemikhali kasawoti.
4. Amaphrojekthi okumba: amaphrojekthi okumba anjengemifula, imifula, amachibi, amachweba, amachweba kanye namanye amaphrojekthi okumba ukuze kuthuthwe inhlabathi.
5. Ubunjiniyela basolwandle: ukuthuthwa kwamanzi olwandle ekukhishweni kukasawoti emanzini olwandle.
6. Ubunjiniyela bakamasipala: ukuhlanzwa kwendle, ukuhlinzekwa kwamanzi asekhaya kanye nokudluliswa kwegesi negesi yemvelo.
7. Izingxenye ezihlukene zemishini: amapayipi e-polyethylene (UHMW-PE) aphezulu kakhulu angacutshungulwa abe yizihlahla ezithwalayo, ama-sliding bearings, ama-bushings, ama-roller, ama-gaskets, njll. okungelula ukuwagqoka, esikhundleni sezingxenye zokuqala zensimbi, ukunciphisa. izindleko kanye nokwenza ngcono impilo.
8. Ukudlulisa okusanhlamvu: okuhlanzekile, okungeyona ubuthi, okuthutha ngesivinini esikhulu, okungavimbi, ukumelana nokuguga, futhi kuyabiza.I-Ultra-high molecular weight polyethylene (UHMW-PE) imininingwane yepayipi kanye nengcindezi yokusebenza kungenziwa ngokuya ngezidingo zomsebenzisi.
Ipayipi lokufakwa kahle likawoyela le-UHMWPE liyi-alloy material esekelwe ku-polymer ephezulu yamangqamuzana, enokumelana nokugqokwa okuphezulu kakhulu, ukumelana nomthelela, ukumelana okuhle kakhulu nokucindezeleka kwemvelo, ukuzigcoba okuhle, ukulwa nokunamathela, ukuqina kwamakhemikhali okuhle kakhulu nezinye izakhiwo eziphakeme.Ishubhu elilwa nokuhubhuka elifakwe i-polyethylene yesisindo samangqamuzana aphezulu kakhulu linganciphisa ngokuphawulekayo ukuguga kwenduku yokuncelisa kanye nodonga lwangaphakathi lweshubhu, lithuthukise ukumelana nokugqokwa kweshubhu kanye nenduku nokusebenza kokunqanda ukubola ngaphakathi kweshubhu, kunciphisa kakhulu ukwehluleka kwe-downhole, futhi kwandise umjikelezo wokuhlola iphampu kanye namashubhu, impilo yesevisi ye-Sucker rod.
Umgomo wokusebenza:
(1) Umzila kawoyela we-UHMWPE usekelwe esimisweni sokulungela induku yokuncela ukuze kuqinisekiswe ukuthi induku yokuncela ihlukanisiwe nepayipi likawoyela ngaphandle kokuguga.Lobu buchwepheshe buhlanganisa ikakhulukazi: i-sucker rod inayiloni centralizer, i-sucker rod roller coupling nokunye.
(2) Ipayipi le-polyethylene likawoyela elinesisindo esiphakeme kakhulu semolekyuli liqinisekisa ukuguga kwepayipi likawoyela kanye nenduku yokuncela ngokomgomo wokuzungezisa.Lobu buchwepheshe buhlanganisa ikakhulukazi: ishubhu ejikelezayo kanye nobuchwepheshe benduku yokuncela.Umthombo ojikelezayo ufakwe ngesikhathi sokusebenza, futhi lapho umthombo wamafutha usekukhiqizweni okuvamile, ukuguqulwa kwendawo yokuxhumana yenduku kanye nepayipi kuqinisekiswa ngokuzungeza intambo yepayipi yamafutha, ngaleyo ndlela kwandise impilo yesevisi yenduku yepayipi.
(3) Ipayipi lepayipi likawoyela le-polyethylene elinesisindo esiphezulu kakhulu semolekyuli liqinisekisa ukuthi ipayipi likawoyela kanye nenduku yokuncela kusesimweni eselulekile ngokuvumelana nomgomo wokunwebeka, futhi kunciphisa ukuguga kwenduku yepayipi okubangelwa ukukhasa nokungazinzi.Ikakhulukazi ihlanganisa: ubuchwepheshe bokumisa ipayipi likawoyela, ingxenye engezansi yobuchwepheshe bokulinganisa ipayipi likawoyela kanye nobuchwepheshe bokumpompa uwoyela we-hydraulic impendulo.
(4) Ubuchwepheshe bokumelana nokugqokwa kwe-ultra-high molecular weight polyethylene oil well liner.Ipheya engagqoki ye-sucker rod yakhiwe ngenduku epholishelwe ephikisana nokugqokwa, umkhono ovimbela ukugqokwa omaphakathi kanye nejoyinti eliphikisana nokugoba.Ingaphezulu lentonga elwa nokuhuzuka iphansi futhi i-chrome-plated, kanti umkhono ovimbela ukuhuzuka wumkhono wensimbi obushelelezi ofakwe inayiloni eqinisiwe 66. Ngenxa yenqubo yokunciphisa ukuhudula phakathi kwenduku epholishiwe kanye nomkhono ophakathi nendawo, ukungqubuzana. i-coefficient incane kakhulu, ngakho-ke umkhono ohlanganisa indawo phakathi ugxilile epayipini likawoyela, futhi induku epholishelwe evimbela ukugqokwa ishelela phansi naphezulu kumkhono ovimbela ukugqokwa omaphakathi ukuze kuqinisekiswe ukuthi intambo yokumunca ayixhumani nepayipi likawoyela, ukuze ukungqubuzana nokuguga kwe-sucker rod kanye nepayipi likawoyela kuguqulwa kube ukungqubuzana nokuguga kwepheya elimelene nokugqoka le-sucker rod ngokwayo.Ukumelana nokugqokwa okuphansi phakathi kwenduku epholishiwe kanye nomkhono ophakathi kuholela ekugugeni okuncane futhi kufeza injongo yokuvimbela ukuguga kwe-eccentric yeshubhu lenduku.
Izici Zomkhiqizo:
1. I-oil well liner inokumelana nokugqokwa okuphezulu:
Isisindo sengqamuzana sepayipi le-polyethylene lesisindo se-molecular ultra-high liphezulu njengezigidi ezingu-2 noma ngaphezulu, futhi inkomba yokugqoka incane, okwenza ibe nekhono eliphezulu lokulwa nokuslayida.Ukumelana nokugqoka kuphakeme izikhathi ezingu-6.6 kunensimbi evamile ye-alloy kanye nezikhathi ezingu-27.3 zensimbi engagqwali.Iphindwe izikhathi ezingu-17.9 kune-phenolic resin, izikhathi ezingu-6 kunenayiloni 6 futhi izikhathi ezingu-4 kune-polyethylene, ethuthukisa kakhulu impilo yesevisi yepayipi.
2. Umzila kawoyela we-UHMWPE unokumelana nomthelela omkhulu:
Phakathi kwamapulasitiki obunjiniyela akhona, inani lokuqina lomthelela lamapayipi esisindo samangqamuzana aphezulu kakhulu liphezulu kakhulu, futhi izinto eziningi zizoqhekeka, ziphuke, ziphahlazeke noma ukukhathala kokucindezeleka komhlaba kube nomthelela wokuqhuma okukhulu noma okuphindaphindiwe.Ngokwezinga le-GB1843, lo mkhiqizo ungaphansi kokuhlolwa komthelela we-cantilever beam ukuze ungatholi monakalo, futhi ungakwazi ukumelana nomthelela wangaphandle oqinile, ukugcwala kwangaphakathi, nokushintshashintsha kwengcindezi.
3. Umzila kawoyela we-UHMWPE unokumelana nokugqwala:
I-UHMW-PE iwuhlaka lweqembu lamangqamuzana agcwele, ngakho ukuzinza kwawo kwamakhemikhali kuphezulu.Ayigqwalile.Ingasetshenziswa ku-hydrochloric acid egxilile ene-concentration engaphansi kuka-80%, futhi izinzile ku-sulfuric acid ene-concentration engaphansi kuka-75% kanye ne-nitric acid ene-concentration engaphansi kuka-20%.
4. I-UHMWPE yomthombo kawoyela kawoyela inezinto ezinhle zokuzigcoba:
Ngoba ipayipi le-UHMWPE liqukethe izinto ze-waxy, futhi ukuzithambisa kuhle kakhulu.I-coefficient ye-friction (196N, 2 amahora) ingu-0.219MN/m kuphela (GB3960).Ukusebenza okuzishelelayo kungcono kunensimbi egcotshwe ngamafutha noma yethusi.Ikakhulukazi ezindaweni ezinemvelo enzima, uthuli kanye ne-sediment, ukusebenza okomile kokugcoba kwalo mkhiqizo kuboniswa ngokugcwele.Akukhona nje kuphela ukuthi ingakwazi ukuhamba ngokukhululeka, kodwa futhi ivikele ama-workpieces ahlobene ekugqokeni noma ekucindezelekeni.
5. I-liner kawoyela ye-UHMWPE inokumelana nokushisa okuphansi okuyingqayizivele:
Ipayipi le-polyethylene lesisindo samangqamuzana eliphakeme kakhulu linokumelana nezinga lokushisa eliphansi kakhulu, futhi ukumelana nomthelela walo kanye nokumelana nokugqokwa akushintshile ekususeni ku-269 degrees Celsius.Njengamanje iyona kuphela ipulasitiki yobunjiniyela engasebenza emazingeni okushisa asondele ku-zero ngokuphelele.Ngesikhathi esifanayo, ipayipi ye-polyethylene yesisindo se-molecular ultra-high inokuguquguquka okubanzi kwezinga lokushisa futhi ingasebenza ekushiseni kwe -269 ° C kuya ku-80 ° C isikhathi eside.
6. I-liner kawoyela ye-UHMWPE akulula ukuyikala:
Ngenxa ye-coefficient yayo encane yokungqubuzana nokungeyona i-polarity, amapayipi e-UHMWPE anobuso obuhle bokungabambeleli kanye nokuqedwa kwamapayipi aphezulu.Izinto ezikhona zivame ukukala phakathi nendawo ngenani le-pH elingu-9 noma ngaphezulu, kodwa ipayipi le-polyethylene lesisindo samangqamuzana eliphakeme kakhulu alinasikali.Ilungele futhi amapayipi afana nowoyela ongahluziwe nodaka.
7. Umzila kawoyela we-UHMWPE unempilo ende yokusebenza:
Ipayipi le-UHMWPE linezakhi zofuzo ezimbalwa ezingasetshenzisiwe kuchungechunge lwamangqamuzana, ukumelana nokukhathala okukhulu kunezikhathi ezingama-500,000, ukumelana okuhle kakhulu nokuqhekeka kokucindezeleka kwemvelo, ukumelana nokuqhekeka kokucindezeleka kwemvelo >4000h, izikhathi ezingaphezu kwezingu-2 kune-PE100, ukusetshenziswa kwangcwatshwa iminyaka engaba ngu-50, kusengakwazi ukugcina ngaphezu kwama-70% wezakhiwo zemishini.
8. I-UHMWPE oil well liner kulula ukuyifaka:
Ipayipi leyunithi yepayipi leyunithi yepayipi ye-UHMW-PE) enesisindo esiphezulu semolekyuli iyingxenye yesishiyagalombili kuphela yesisindo sepayipi lensimbi, elenza ukulayishwa, ukuthulula, ukuthuthwa nokufaka kube lula, futhi kunganciphisa ukushuba kwezisebenzi.Ipayipi le-UHMW-PE lilwa nokuguga Ucansi oluqinile, akulula ukuluguga ngemva kweminyaka engama-50.Ingafakwa ngaphezu komhlabathi noma igqitshwe ngaphansi komhlaba.Kungakhathaliseki ukuthi i-welded noma i-flanged ngesikhathi sokufakwa, iphephile, ithembekile, iyashesha futhi ifanelekile, ayikho i-anti-corrosion, isindisa abasebenzi, futhi isindisa abasebenzi, okubonisa ngokugcwele izinzuzo "zokonga amandla, ukuvikelwa kwemvelo, ukonga nokusebenza kahle" usebenzisa amapayipi e-UHMWPE.
9. Ezinye izici ze-UHMWPE oil well liner:
Amapayipi e-UHMWPE aphinde abe nezici ezivelele njengokumuncwa kwamandla, ukumuncwa komsindo, i-antistatic, ikhono lokuvikela lama-electron, angamubi, amandla adonsela phansi akhanyayo, ukwenza imishini kalula, nokubala imibala.
Ububanzi besicelo:
1. Imithombo yokukhiqiza uwoyela: Ifanele imithombo kawoyela engagugi ngokwengxenye, i-wax, ukugqwala okukhulu, izinga eliphezulu lokuhluleka kwezinsimbi zokuncelisa kanye nokukalwa kwamapayipi kawoyela.
2. Umjovo wamanzi kahle: ulungele imithombo yokujova amanzi enokugqwala okukhulu kanye nokukala.
3. Ipayipi lokudiliva: Ipayipi elidala likawoyela eligqwalile kakhulu kanye nokuguga okungafanelekile umgodi ophansi lingasetshenziswa njengepayipi likawoyela ngemva kolayini.
4. Imithombo yegesi egqwalile: ilungele imithombo yegesi egqwaliswe amagesi e-H2S kanye ne-CO2.
5. Imithombo kawoyela yasogwini: Ukuphila isikhathi eside kunganciphisa izindleko zokukhiqizwa kukawoyela phesheya kwezilwandle.
