Ipayipi le-UHMWPE
Ipayipi le-UHMWPE:
Ipayipi le-polyethylene elinesisindo sama-molecule (UHIMW-PE) elisezingeni eliphezulu kakhulu liwuhlobo olusha lwepayipi lepulasitiki elingagugi, elingashayisani, elingagqwali, elingamunci futhi elizigcobayo, ngakho-ke lisetshenziswa kabanzi emikhakheni eyahlukahlukene:
1. Ukuthuthwa kwamafutha akude: ngenxa yokugqwala kwenhlabathi enobuthi obunzima, amanzi olwandle kanye namanzi anosawoti emvelo azungeze insimu yamafutha, kanye nokungena kwamafutha angaphakathi aqukethe isibabule, impilo yokusebenza yamapayipi ensimbi ngokuvamile iyizinyanga ezimbalwa kuphela, futhi iningi lamafutha aluhlaza linokugqwala okuphezulu, okulula ukulithutha ngesikhathi sokuthuthwa. Ukufakwa, ikakhulukazi ebusika, ipayipi idinga ukufakwa uhlelo lokushisa kanye nesendlalelo sokushisa, futhi ingathuthukisa kakhulu ukusebenza kahle kokudlulisela kanye nokuphila kokusebenza kwepayipi.
2. Ipayipi lokugcwalisa i-Grouting: ukucwila kobuso kanye nemifantu ebangelwa ukumbiwa komhlaba kudinga ukususwa kwamanzi, ukugcwaliswa kwe-grouting, ukubhoboza phansi, ukuqinisa i-grouting ngomfutho ophezulu, ukugcwaliswa kwesikhala sokuhlukanisa ungqimba, ukunciphisa kanye nokulawula isivinini sokucwila kobuso, Ukusetshenziswa kwepayipi elihlanganisiwe kungathuthukisa ukusebenza kahle kokudlulisa kanye nenzuzo yezomnotho yephrojekthi.
3. Imboni yamakhemikhali: ukuthuthwa kwezinto ezingcolisa kakhulu njenge-asidi enamandla ne-alkali, ukuthuthwa kwe-brine, i-salt slurry kanye nosawoti ongahluziwe embonini yamakhemikhali kasawoti.
4. Amaphrojekthi okumba: amaphrojekthi okumba njengemifula, imifula, amachibi, amachweba, amachweba kanye neminye imisebenzi yokumba ukuze kuthuthwe inhlabathi.
5. Ubunjiniyela bolwandle: ukuthuthwa kwamanzi olwandle ekukhishweni kukasawoti emanzini olwandle.
6. Ubunjiniyela bukamasipala: ukwelashwa kwendle, ukuhlinzekwa kwamanzi asekhaya kanye nokudluliswa kwegesi negesi yemvelo.
7. Izingxenye ezahlukahlukene zemishini: amapayipi e-polyethylene anesisindo sama-molecule (UHMW-PE) aphezulu kakhulu angacutshungulwa abe ama-bearing bush, ama-sliding bearings, ama-bushings, ama-rollers, ama-gasket, njll. angelula ukuwagqoka, athathe indawo yezingxenye zensimbi zokuqala, anciphise izindleko futhi athuthukise impilo.
8. Ukuhambisa okusanhlamvu: okuhlanzekile, okungenabo ubuthi, okuhambisa ngesivinini esikhulu, okungavimbi, okumelana nokuguga, futhi okungabizi kakhulu. Imininingwane yepayipi le-polyethylene enesisindo sama-molecule (UHMW-PE) ephezulu kakhulu kanye nomfutho wokusebenza kungenziwa ngokwezidingo zomsebenzisi.
Ipayipi lokufaka uwoyela le-UHMWPE liyi-alloy elenziwe nge-polymer ephezulu yama-molecule, enokumelana nokuguguleka okuphezulu kakhulu, ukumelana nokushayisana, ukumelana nokuqhekeka kokucindezeleka kwemvelo okuhle kakhulu, ukuzigcoba okuhle, ukulwa nokunamathela, ukuzinza kwamakhemikhali okuhle kakhulu kanye nezinye izakhiwo eziphakeme. Ipayipi lokuvimbela ukuguguleka elihlanganiswe ne-polyethylene enesisindo sama-molecule esiphezulu kakhulu linganciphisa kakhulu ukuguguleka kwenduku yokudonsa kanye nodonga lwangaphakathi lwepayipi, lithuthukise ukumelana nokuguguleka kwepayipi kanye nenduku kanye nokusebenza kokulwa nokugqwala ngaphakathi kwepayipi, linciphise kakhulu ukwehluleka kwemigodi engaphansi komhlaba, futhi lenze isikhathi sokuhlola ipompo kanye nepayipi, impilo yenkonzo yenduku ye-Sucker.
Isimiso sokusebenza:
(1) I-UHMWPE oil well liner isekelwe esimisweni sokulungisa induku yokudonsa ukuqinisekisa ukuthi induku yokudonsa ihlukaniswe nepayipi likawoyela ngaphandle kokuguga kokuthintana. Lobu buchwepheshe buhlanganisa ikakhulukazi: induku yokudonsa insimbi yokudonsa insimbi yokudonsa, i-sucker rod roller coupling nokunye.
(2) Ipayipi elingaphansi kwe-polyethylene elinobunzima obukhulu kakhulu liqinisekisa ukuguguleka okufanayo kwepayipi likawoyela kanye nenduku yokumunca ngokwesimiso sokujikeleza. Lobu buchwepheshe buhlanganisa kakhulu: ubuchwepheshe bepayipi elijikelezayo kanye nenduku yokumunca. Ikhanda lomthombo elijikelezayo lifakwa ngesikhathi sokusebenza, futhi lapho umthombo kawoyela usekukhiqizweni okuvamile, ushintsho lobuso bokuxhumana benduku kanye nepayipi luqinisekiswa ngokujikeleza intambo yepayipi likawoyela, ngaleyo ndlela kwandiswe impilo yenkonzo yenduku yepayipi.
(3) Ipayipi elingaphansi komthombo wamafutha e-polyethylene elinesisindo sama-molecule aphezulu kakhulu liqinisekisa ukuthi ipayipi lamafutha kanye nenduku yokumunca kusesimweni sokunwebeka ngokwesimiso sokunwebeka, futhi kunciphisa ukuguguleka okungavamile kwenduku yepayipi okubangelwa ukukhukhuleka nokungazinzi. Ngokuyinhloko kuhlanganisa: ubuchwepheshe bokunamathisela ipayipi lamafutha, ingxenye engezansi yobuchwepheshe bokukala ipayipi lamafutha kanye nobuchwepheshe bokupompa uwoyela wepompo yempendulo ye-hydraulic.
(4) Ubuchwepheshe bokulwa nokugqokwa kwe-liner yamafutha e-polyethylene enesisindo esikhulu kakhulu. I-sucker rod elwa nokugqokwa yakhiwe ngenduku epholishiwe elwa nokugqokwa, i-anti-wear centralizing sleeve kanye ne-anti-gonding joint. Ubuso benduku elwa nokugqokwa bugcwele futhi bumbozwe nge-chrome, kanti i-anti-abrasion centrating sleeve iyi-sleeve yensimbi ebushelelezi ehlanganiswe ne-nylon eqinisiwe 66. Ngenxa yenqubo yokunciphisa ukuhudula phakathi kwenduku epholishiwe kanye ne-centralizing sleeve, i-coefficient yokungqubuzana incane kakhulu, ngakho-ke i-centralizing sleeve igxilile epayipini lamafutha, kanti induku epholishiwe elwa nokugqokwa ishelela phezulu naphansi esikhwameni se-anti-wear centralizing ukuqinisekisa ukuthi intambo yenduku epholishiwe ayithinti ipayipi lamafutha, ukuze ukungqubuzana kanye nokugqokwa kwenduku epholishiwe kanye nepayipi lamafutha kuguqulwe kube ukungqubuzana kanye nokugqokwa kwe-anti-wear pair yenduku epholishiwe ngokwayo. Ukumelana okuphansi kokugqokwa phakathi kwenduku epholishiwe kanye ne-centralizing sleeve kuholela ekugugeni okuncane futhi kufeza inhloso yokuvimbela ukugqokwa okungavamile kwepayipi lenduku.
Izici Zomkhiqizo:
1. I-liner yomthombo kawoyela inokumelana okukhulu nokuguguleka:
Isisindo sama-molecule sepayipi le-polyethylene elinesisindo sama-molecule esiphezulu kakhulu sifinyelela ku-2 million noma ngaphezulu, kanti inkomba yokuguguleka incane, okwenza ibe nekhono eliphezulu lokungqubuzana lokulwa nokushelela. Ukumelana nokuguguleka kuphakeme ngokuphindwe ka-6.6 kunokwensimbi ejwayelekile ye-alloy kanye nokuphindwe ka-27.3 kunokwensimbi engagqwali. Kuphindwe ka-17.9 kunokwe-phenolic resin, okuphindwe ka-6 kunokwe-nylon okuphindwe ka-6 kanye nokuphindwe ka-4 kunokwe-polyethylene, okuthuthukisa kakhulu impilo yephayiphi.
2. I-UHMWPE uwoyela womthofu ine-resistance ephezulu yokumelana nokushisa:
Phakathi kwepulasitiki yobunjiniyela ekhona, inani lokuqina komthelela wamapayipi anesisindo sama-molecule aphezulu kakhulu liphezulu kakhulu, futhi izinto eziningi zizoqhekeka, ziphule, ziphule noma zikhathale ngenxa yokucindezeleka kobuso lapho kuthinteka ukuqhuma okukhulu noma okuphindaphindiwe. Ngokwezinga le-GB1843, lo mkhiqizo uhlolwa ngomsebe we-cantilever ukuze ungalimazi, futhi ungamelana nomthelela wangaphandle onamandla, ukugcwala ngokweqile kwangaphakathi, kanye nokushintshashintsha kwengcindezi.
3. I-UHMWPE uwoyela womthofu ine-resistance yokugqwala:
I-UHMW-PE iyisakhiwo seqembu lama-molecule agcwele, ngakho-ke ukuqina kwamakhemikhali ayo kuphezulu. Ayigqwalile. Ingasetshenziswa ku-hydrochloric acid egxilile enezinga elingaphansi kuka-80%, futhi izinzile kakhulu ku-sulfuric acid enezinga elingaphansi kuka-75% kanye ne-nitric acid enezinga elingaphansi kuka-20%.
4. I-UHMWPE oil well liner ine-self-lubrication enhle:
Ngoba ipayipi le-UHMWPE liqukethe izinto ezifana ne-wax, futhi ukuzigcoba ngokwakho kuhle kakhulu. I-coefficient yokungqubuzana (196N, amahora ama-2) ingu-0.219MN/m (GB3960) kuphela. Ukusebenza kokuzishelela kungcono kunensimbi noma ithusi eligcotshwe ngowoyela. Ikakhulukazi ezindaweni ezinendawo enzima, uthuli kanye nenhlabathi, ukusebenza kokugcoba okomile kwalo mkhiqizo kuboniswa ngokugcwele. Akugcini nje ngokukwazi ukuhamba ngokukhululeka, kodwa futhi kuvikela izingxenye zomsebenzi ezihlobene ekugugeni noma ekucindezelekeni.
5. I-UHMWPE oil well liner inokumelana okuhlukile kokushisa okuphansi:
Ipayipi le-polyethylene elinesisindo sama-molecule esiphezulu kakhulu linokumelana okuhle kakhulu nokushisa okuphansi, futhi ukumelana kwalo nokushaqeka kanye nokumelana nokuguguleka akushintshi ngokuphelele kuma-degree Celsius angu-269 ngaphansi. Njengamanje yilona kuphela ipulasitiki yobunjiniyela engasebenza emazingeni okushisa aseduze no-zero ophelele. Ngesikhathi esifanayo, ipayipi le-polyethylene elinesisindo sama-molecule esiphezulu kakhulu linokuguquguquka okukhulu kwezinga lokushisa futhi lingasebenza ekushiseni okungu-269°C kuya ku-80°C isikhathi eside.
6. I-UHMWPE oil well liner ayilula ukuyilinganisa:
Ngenxa yokulingana kwayo okuncane kokungqubuzana kanye nokungabi yi-polarity, amapayipi e-UHMWPE anokunganamatheli okuhle ebusweni kanye nokuqeda okuphezulu kwamapayipi. Izinto ezikhona ngokuvamile ziyakhula endaweni ephakathi enenani le-pH elingu-9 noma ngaphezulu, kodwa ipayipi le-polyethylene elinesisindo sama-molecule esiphezulu alikhuli. Lifaneleka kakhulu futhi kumapayipi anjengowoyela ongahluziwe kanye nodaka.
7. I-UHMWPE oil well liner iphila isikhathi eside:
Ipayipi le-UHMWPE linezakhi zofuzo ezimbalwa ezingagcwalisiwe kuchungechunge lwama-molecule, ukumelana nokukhathala okungaphezu kwezikhathi ezingu-500,000, ukumelana okuhle kakhulu nokuqhekeka kokucindezeleka kwemvelo, ukumelana nokuqhekeka kokucindezeleka kwemvelo >4000h, okungaphezu kokuphindwe kabili kune-PE100, ukusetshenziswa okungcwatshwe iminyaka engaba ngu-50, kusengakwazi ukugcina ngaphezu kuka-70% wezakhiwo zemishini.
8. Kulula ukufaka i-UHMWPE oil well liner:
Ubude bepayipi lepayipi le-polyethylene elinesisindo sama-molecule aphezulu (UHMW-PE) buyingxenye eyodwa kweziyisishiyagalombili zesisindo sepayipi lensimbi, okwenza ukulayisha, ukulayisha, ukuthuthwa kanye nokufakwa kube lula kakhulu, futhi kunganciphisa amandla abasebenzi. Ipayipi le-UHMW-PE lilwa nokuguga Ubulili obuqinile, akulula ukuligugisa ngemva kweminyaka engama-50. Lingafakwa ngaphezu komhlabathi noma ligqitshwe ngaphansi komhlaba. Kungakhathaliseki ukuthi lishiselwe noma lifakwe nge-flange ngesikhathi sokufakwa, liphephile, lithembekile, liyashesha futhi lilula, alinawo amandla okulwa nokugqwala, lisindisa abasebenzi, futhi lisindisa abasebenzi, okubonisa ngokugcwele izinzuzo "zokonga amandla, ukuvikelwa kwemvelo, ezonga imali kanye nokusebenza kahle" zokusebenzisa amapayipi e-UHMWPE.
9. Ezinye izici ze-UHMWPE oil well liner:
Amapayipi e-UHMWPE nawo anezici ezivelele njengokumunca amandla, ukumunca umsindo, ukungashintshi, ikhono lokuvikela ama-electron, ukungamunci, amandla adonsela phansi athile okukhanya, ukushintshwa okulula, kanye nombala.
Ububanzi besicelo:
1. Imithombo yokukhiqiza uwoyela: Ifanelekela imithombo yamafutha egugile kancane, i-wax, ukugqwala okukhulu, izinga eliphezulu lokwehluleka kwezinduku zokudonsa kanye nokukhula kwamapayipi kawoyela.
2. Umthombo wokujova ngamanzi: ufanelekela imithombo yokujova amanzi enokonakala okukhulu kanye nobukhulu obukhulu.
3. Ipayipi lokulethwa: Ipayipi likawoyela elidala elinokugqwala okukhulu kanye nokuguguleka okuyingxenye okungafaneleki ukumbozwa phansi lingasetshenziswa njengepayipi likawoyela ngemva kokufakwa kwendwangu.
4. Imithombo yegesi egqwalisayo: ifanelekela imithombo yegesi egqwaliswe yigesi i-H2S kanye ne-CO2.
5. Imithombo kawoyela yasogwini: Ukuphila isikhathi eside kunganciphisa izindleko zokukhiqizwa kukawoyela wasogwini.
