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UHMWPE yeeb nkab

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UHMWPE yeeb nkab:

Cov yeeb nkab polyethylene hnyav molecular siab heev (UHIMW-PE) yog ib hom yeeb nkab yas tshiab uas tsis yooj yim hnav, tsis yooj yim cuam tshuam, tsis yooj yim xeb, tsis nqus tau thiab nws tus kheej lubricating, yog li nws siv dav hauv ntau qhov chaw:

1. Kev thauj roj mus ntev: vim yog qhov xeb ntawm cov av acidic hnyav, dej hiav txwv thiab dej ntsev ntuj nyob ib puag ncig thaj chaw roj, thiab kev nkag mus ntawm cov roj sulfur sab hauv, lub neej ua haujlwm ntawm cov kav hlau feem ntau tsuas yog ob peb lub hlis xwb, thiab feem ntau ntawm cov roj nyoos yog cov viscosity siab, uas yooj yim thauj mus los thaum lub sijhawm thauj mus los. Kev tso tawm, tshwj xeeb tshaj yog thaum lub caij ntuj no, cov kav dej yuav tsum tau nruab nrog lub tshuab cua sov thiab cov txheej rwb thaiv tsev thermal, thiab nws tuaj yeem txhim kho qhov kev sib kis zoo thiab lub neej ua haujlwm ntawm cov kav dej.

2. Cov yeeb nkab txhaws: qhov av qis thiab cov kab nrib pleb los ntawm kev khawb av hauv av xav tau cov tailings dej grouting filling, drilling hauv av, high-pressure grouting reinforcement, sau qhov chaw sib cais, mitigation thiab tswj qhov ceev ntawm qhov av qis, Kev siv cov yeeb nkab sib xyaw tuaj yeem txhim kho kev xa khoom zoo thiab kev lag luam ntawm qhov project.

3. Kev lag luam tshuaj lom neeg: kev thauj mus los ntawm cov xov xwm corrosive heev xws li cov kua qaub thiab alkali muaj zog, kev thauj mus los ntawm brine, ntsev slurry thiab ntsev nyoos hauv kev lag luam tshuaj ntsev.

4. Tej yaam num dredging: tej yaam num dredging xws li cov dej ntws, cov dej ntws, cov pas dej, cov chaw nres nkoj, cov chaw nres nkoj thiab lwm yam haujlwm dredging los thauj cov av noo.

5. Kev tsim kho dej hiav txwv: kev thauj mus los hauv dej hiav txwv hauv kev tshem dej hiav txwv.

6. Kev tsim kho hauv nroog: kev kho dej phwj tuaj, kev muab dej hauv tsev thiab roj thiab roj av kis.

7. Ntau yam khoom siv kho tshuab: cov kav dej polyethylene hnyav heev (UHMW-PE) tuaj yeem ua tiav rau hauv cov kabmob bushes, sliding bearings, bushings, rollers, gaskets, thiab lwm yam uas tsis yooj yim hnav, hloov cov khoom hlau qub, txo cov nqi thiab txhim kho lub neej.

8. Kev xa cov nplej: huv si, tsis muaj tshuaj lom, kev xa khoom ceev ceev, tsis thaiv, tsis hnav, thiab pheej yig. Cov lus qhia tshwj xeeb ntawm cov yeeb nkab polyethylene hnyav molecular siab heev (UHMW-PE) thiab lub zog ua haujlwm tuaj yeem ua raws li tus neeg siv xav tau.

Cov yeeb nkab UHMWPE roj av zoo lining yog cov khoom siv alloy ua los ntawm cov polymer molecular siab, uas muaj kev tiv thaiv kev hnav siab heev, kev cuam tshuam tsis kam, kev tawg zoo heev, kev sib xyaw ua ke zoo, kev nplaum zoo, kev ruaj khov tshuaj lom neeg zoo heev thiab lwm yam khoom zoo dua. Cov yeeb nkab tiv thaiv kev sib txhuam uas muaj cov polyethylene hnyav molecular siab heev tuaj yeem txo qhov hnav ntawm cov pas nrig sucker thiab phab ntsa sab hauv ntawm cov yeeb nkab, txhim kho qhov kev tiv thaiv kev hnav ntawm cov yeeb nkab thiab cov pas nrig thiab kev ua haujlwm tiv thaiv kev xeb hauv cov yeeb nkab, txo qhov tsis ua haujlwm ntawm qhov downhole, thiab ua kom lub sijhawm tshuaj xyuas twj tso kua mis thiab cov yeeb nkab ntev dua, lub neej ua haujlwm ntawm cov pas nrig sucker.

Txoj cai ua haujlwm:

(1) UHMWPE roj qhov dej liner yog raws li lub hauv paus ntsiab lus ntawm kev kho kom raug ntawm cov pas nrig sucker kom ntseeg tau tias cov pas nrig sucker raug cais tawm ntawm cov yeeb nkab roj yam tsis muaj kev sib cuag. Cov thev naus laus zis no feem ntau suav nrog: cov pas nrig sucker nylon centralizer, cov pas nrig sucker roller coupling thiab lwm yam.

(2) Cov yeeb nkab polyethylene uas muaj molecular hnyav heev ua kom cov yeeb nkab roj thiab tus pas nrig nqus sib xws raws li txoj cai tig. Cov thev naus laus zis no feem ntau suav nrog: cov yeeb nkab tig thiab cov thev naus laus zis pas nrig nqus. Lub taub hau tig tau teeb tsa thaum lub sijhawm ua haujlwm, thiab thaum lub qhov roj nyob rau hauv kev tsim khoom ib txwm muaj, qhov kev hloov pauv ntawm qhov chaw sib cuag ntawm tus pas nrig thiab cov yeeb nkab tau ua kom ntseeg tau los ntawm kev tig cov hlua yeeb nkab roj, yog li ua kom lub neej ua haujlwm ntawm tus pas nrig yeeb nkab ntev dua.

(3) Cov yeeb nkab polyethylene uas muaj cov roj molecular hnyav heev ua kom ntseeg tau tias cov yeeb nkab roj thiab tus pas nrig nqus tau nyob rau hauv lub xeev ncab raws li lub hauv paus ntsiab lus ncab, thiab txo qhov hnav eccentric ntawm tus pas nrig yeeb nkab uas tshwm sim los ntawm kev nkag thiab tsis ruaj khov. Feem ntau suav nrog: cov cuab yeej siv roj yeeb nkab anchoring, qhov qis dua ntawm cov cuab yeej siv roj yeeb nkab hnyav thiab cov cuab yeej siv hydraulic feedback twj tso kua roj.

(4) Cov thev naus laus zis tiv thaiv kev hnav rau cov roj polyethylene hnyav heev. Cov khub tiv thaiv kev hnav ntawm cov pas nrig nqus yog tsim los ntawm cov pas nrig uas tiv thaiv kev hnav, lub tes tsho tiv thaiv kev hnav thiab qhov sib koom ua ke tiv thaiv kev khoov. Qhov chaw ntawm cov pas nrig tiv thaiv kev sib txhuam yog av thiab chrome-plated, thiab lub tes tsho tiv thaiv kev sib txhuam yog lub tes tsho hlau du uas muaj nylon 66 txhawb nqa. Vim yog cov txheej txheem txo qis kev rub ntawm cov pas nrig uas ci thiab lub tes tsho nruab nrab, qhov sib txhuam coefficient me me heev, yog li lub tes tsho nruab nrab tau kho rau hauv cov yeeb nkab roj, thiab cov pas nrig uas ci tiv thaiv kev hnav txav mus rau saum thiab nqis hauv lub tes tsho tiv thaiv kev hnav kom ntseeg tau tias cov hlua pas nrig nqus tsis kov cov yeeb nkab roj, yog li qhov sib txhuam thiab kev hnav ntawm cov pas nrig nqus thiab cov yeeb nkab roj tau hloov mus ua qhov sib txhuam thiab kev hnav ntawm cov khub tiv thaiv kev hnav ntawm cov pas nrig nqus nws tus kheej. Qhov kev tiv thaiv kev hnav qis ntawm cov pas nrig uas ci thiab lub tes tsho nruab nrab ua rau muaj kev hnav tsawg dua thiab ua tiav lub hom phiaj ntawm kev tiv thaiv kev hnav eccentric ntawm cov yeeb nkab pas nrig.

Cov yam ntxwv ntawm cov khoom:

1. Lub liner roj av muaj kev tiv taus kev hnav siab:

Qhov hnyav molecular ntawm cov yeeb nkab polyethylene ultra-high molecular weight yog siab txog li 2 lab lossis ntau dua, thiab qhov ntsuas hnav yog me me, uas ua rau nws muaj peev xwm tiv thaiv kev sib txhuam siab. Qhov kev tiv thaiv hnav yog 6.6 npaug siab dua li ntawm cov hlau alloy ib txwm thiab 27.3 npaug ntawm cov hlau tsis xeb. Nws yog 17.9 npaug ntawm phenolic resin, 6 npaug ntawm nylon 6 thiab 4 npaug ntawm polyethylene, uas ua rau lub neej kev pabcuam ntawm cov yeeb nkab zoo dua.

2. UHMWPE roj qhov dej liner muaj kev tiv taus kev cuam tshuam siab:

Ntawm cov yas engineering uas twb muaj lawm, qhov cuam tshuam toughness ntawm cov kav dej ultra-high molecular weight yog siab heev, thiab ntau cov ntaub ntawv yuav tawg, tawg, tawg lossis qaug zog ntawm qhov chaw hauv qhov cuam tshuam ntawm kev tawg loj lossis rov ua dua. Raws li tus qauv GB1843, cov khoom no raug rau qhov kev sim cuam tshuam ntawm lub cantilever beam kom tsis muaj kev puas tsuaj, thiab tuaj yeem tiv taus qhov cuam tshuam sab nraud muaj zog, kev thauj khoom sab hauv, thiab kev hloov pauv siab.

3. UHMWPE roj qhov dej liner muaj kev tiv thaiv corrosion:

UHMW-PE yog cov qauv molecular pawg uas saturated, yog li nws cov tshuaj lom neeg ruaj khov siab. Tsis xeb. Nws tuaj yeem siv rau hauv cov kua qaub hydrochloric uas muaj concentrated tsawg dua 80%, thiab ruaj khov heev hauv cov kua qaub sulfuric uas muaj concentrated tsawg dua 75% thiab nitric acid uas muaj concentrated tsawg dua 20%.

4. UHMWPE roj qhov dej liner muaj lubrication zoo:

Vim tias cov yeeb nkab UHMWPE muaj cov tshuaj waxy, thiab qhov nws tus kheej lubricating zoo heev. Qhov sib txhuam coefficient (196N, 2 teev) tsuas yog 0.219MN / m (GB3960). Kev ua tau zoo ntawm nws tus kheej zoo dua li cov hlau lossis tooj dag uas muaj roj. Tshwj xeeb tshaj yog nyob rau hauv qhov chaw uas muaj ib puag ncig hnyav, plua plav thiab cov av qias neeg, qhov kev ua tau zoo ntawm cov khoom no tau pom tseeb dua. Nws tsis tsuas yog txav tau yooj yim xwb, tab sis kuj tiv thaiv cov haujlwm cuam tshuam los ntawm kev hnav lossis kev ntxhov siab.

5. UHMWPE roj qhov dej liner muaj qhov kub tsis tshua muaj zog:

Cov yeeb nkab polyethylene uas muaj qhov hnyav molecular siab heev muaj qhov kub tsis tshua muaj zog, thiab nws qhov kev tiv thaiv kev cuam tshuam thiab kev hnav tsis zoo li qub ntawm -269 degrees Celsius. Tam sim no nws yog tib lub yas engineering uas tuaj yeem ua haujlwm ntawm qhov kub ze rau xoom kiag li. Tib lub sijhawm, cov yeeb nkab polyethylene uas muaj qhov hnyav molecular siab heev muaj qhov hloov pauv kub dav thiab tuaj yeem ua haujlwm ntawm qhov kub ntawm -269 ° C txog 80 ° C rau lub sijhawm ntev.

6. UHMWPE roj qhov dej liner tsis yooj yim rau kev ntsuas:

Vim nws cov coefficient sib txhuam me me thiab tsis polarity, cov kav dej UHMWPE muaj qhov zoo tsis lo rau saum npoo thiab cov kav dej tiav siab. Cov ntaub ntawv uas twb muaj lawm feem ntau nce hauv nruab nrab nrog tus nqi pH ntawm 9 lossis ntau dua, tab sis cov kav dej polyethylene hnyav heev tsis nce. Nws kuj tseem zoo heev rau cov kav dej xws li roj av thiab av nkos.

7. UHMWPE roj qhov dej liner muaj lub neej ua haujlwm ntev:

Cov kav dej UHMWPE muaj ob peb lub noob caj noob ces tsis muaj zog hauv cov saw hlau molecular, kev qaug zog tsis kam ntau dua 500,000 zaug, kev tiv thaiv zoo heev rau kev tawg ntawm kev ntxhov siab ib puag ncig, kev tiv thaiv kev tawg ntawm kev ntxhov siab ib puag ncig> 4000h, ntau dua 2 npaug ntawm PE100, faus siv li 50 xyoo, tseem tuaj yeem tswj tau ntau dua 70% ntawm cov khoom siv kho tshuab.

8. UHMWPE roj qhov dej liner yog ib qho yooj yim rau nruab:

Cov kav dej polyethylene hnyav heev (UHMW-PE) tsuas yog ib feem yim ntawm qhov hnyav ntawm cov kav dej hlau, uas ua rau kev thauj khoom, kev tshem tawm, kev thauj mus los thiab kev teeb tsa yooj yim dua, thiab tuaj yeem txo qhov kev siv zog ntawm cov neeg ua haujlwm. Cov kav dej UHMW-PE yog tiv thaiv kev laus, muaj zog, tsis yooj yim rau kev laus tom qab 50 xyoo. Nws tuaj yeem ntsia saum av lossis faus hauv av. Txawm hais tias nws yog welded lossis flanged thaum lub sijhawm teeb tsa, nws muaj kev nyab xeeb, txhim khu kev qha, ceev thiab yooj yim, tsis muaj kev tiv thaiv xeb, txuag kev ua haujlwm, thiab txuag kev ua haujlwm, uas qhia tag nrho cov txiaj ntsig ntawm "kev txuag hluav taws xob, kev tiv thaiv ib puag ncig, kev lag luam thiab kev ua haujlwm zoo" ntawm kev siv cov kav dej UHMWPE.

9. Lwm yam ntxwv ntawm UHMWPE roj qhov dej liner:

Cov kav dej UHMWPE kuj muaj cov yam ntxwv zoo xws li kev nqus hluav taws xob, kev nqus suab nrov, antistatic, muaj peev xwm tiv thaiv cov electrons, tsis nqus tau, lub zog tshwj xeeb, yooj yim machining, thiab xim.

Scope ntawm daim ntawv thov:

1. Cov qhov dej tsim roj: Nws yog qhov tsim nyog rau cov qhov dej roj uas muaj kev hnav ib nrab, kev pleev xim, kev xeb hnyav, kev ua tsis tiav ntawm cov pas nrig sucker thiab kev ua kom cov kav roj loj.

2. Qhov dej txhaj tshuaj: tsim nyog rau cov qhov dej txhaj tshuaj uas muaj kev xeb thiab kev tawg loj heev.

3. Cov yeeb nkab xa khoom: Cov yeeb nkab roj qub uas muaj xeb hnyav thiab ib nrab hnav uas tsis haum rau qhov downhole tuaj yeem siv ua cov yeeb nkab roj tom qab txheej.

4. Cov qhov roj uas xeb: tsim nyog rau cov qhov roj uas xeb los ntawm H2S thiab CO2 gases.

5. Cov qhov roj hauv hiav txwv: Lub neej ntev tuaj yeem txo tus nqi ntawm kev tsim roj hauv hiav txwv.


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