Ob bentonite thiab polymer slurries yog cov feem ntau siv cov khoom siv hauv kev lag luam ntau yam, tshwj xeeb hauv kev ua haujlwm thiab kev tsim kho. Txawm hais tias muaj cov ntawv thov sib xws, cov tshuaj sib txawv txawv hauv kev sib xyaw, cov khoom thiab siv.
Bentonite:
Bentonite av nplaum, tseem hu ua cov av pleev mandmorillonite av nplaum, yog cov khoom siv ntuj tau muab tau los ntawm cov ntoo tshauv volcanic. Nws yog av nplaum-hom smectite tus cwj pwm los ntawm nws cov khoom o tshwj xeeb thaum raug dej. Lub ntsiab tivthaiv ntawm bentonite yog cov ntxhia monicillonite, uas muab nws cov khoom tshwj xeeb.
Ua Haujlwm:
Bentonite av nplaum yog feem ntau tsim ntawm Montmorillonite thiab tseem muaj cov nyiaj ntau sib txawv xws li quartz, feldspar, gypsum, thiab calcite.
Cov qauv ntawm Montmorillonite tso cai rau nws nqus dej thiab swell, sib sau cov gel-zoo li yeeb tshuaj.
Cov yam ntxwv:
O: Bentonite cov khoom ua haujlwm tseem ceeb o thaum hydrated, ua rau nws muaj txiaj ntsig hauv kev sib khi thiab ntsaws cov ntawv thov.
Viscosity: lub viscosity ntawm bentonite slurry yog siab dua, muab cov kev tshem tawm zoo thiab txiav nqa lub peev xwm thaum lub sijhawm khiav dej.
Daim Ntawv Thov:
Drilling kua: Bentonite av nplaum yog feem ntau siv nyob rau hauv cov av nyom rau cov roj thiab roj zoo. Nws pab tau txias thiab ntub lub laum me ntsis thiab nqa cov chips rau saum npoo.
Sealing thiab ntsaws: Bentonite qhov o o cov khoom pub nws kom muab cov roj av zoo rau cov roj ntsha thiab tiv thaiv kom tsis txhob muaj fluidation.
Hom tau zoo:
Natural: Bentonite av nplaum yog ib txwm muaj tshwm sim, cov khoom siv ib puag ncig.
Tus nqi-txiaj ntsig: nws feem ntau raug nqi ntau dua li cov kev xaiv hluavtaws ntxiv.
LANCOMING:
Qhov ntsuas tsawg: Bentonite yuav poob nws cov hauj lwm zoo ntawm qhov kub, qhov txwv nws siv hauv qee cov ntawv thov.
CEDLING: Lub siab viscosity ntawm bentonite slurry tuaj yeem ua rau muaj kev tswj hwm yog tias tsis tswj kom zoo.
Polymer slurry:
Polymer slurries yog mixtures dej thiab hluavtaws polymers tsim los ua kom tiav cov yam ntxwv kev ua tau zoo. Cov neeg polymers tau xaiv rau lawv lub peev xwm los txhim kho cov khoom ntawm slurry rau cov ntawv thov tshwj xeeb.
Ua Haujlwm:
Polymer slurries muaj cov dej thiab ntau cov hluavtaws polymers xws li polyacrylamide, polyethylenelamide, polyethylenelamide, thiab xanthan hniav.
Cov yam ntxwv:
Tsis-o: tsis zoo li bentonite, polymer slurry tsis yog o thaum raug dej. Lawv tswj cov viscosity yam tsis muaj kev hloov pauv tseem ceeb hauv ntim.
Shear thinning: polymer slurries ntau zaus ua rau muaj kev coj tus cwj pwm uas lawv viscosity txo qis zuj zus tuaj, uas pab txhawb nqa twj thiab ncig.
Daim Ntawv Thov:
Trenenless Technology: polymer muds feem ntau yog siv nyob rau hauv kab rov tav des ditring (HDD) thiab lwm daim ntawv thov kev sib txhuam kom muab kev sib txhuam kom zoo thiab txo kev sib txhuam.
Kev Tsim Kho: Lawv tau siv nyob rau hauv daim duab phab ntsa, slurry phab ntsa thiab lwm yam kev tsim kho uas kua dej viscosity thiab ruaj khov yog qhov tseem ceeb.
Hom tau zoo:
Qhov sov ruaj khov: polymer slurries muaj peev xwm tswj tau lawv cov peev xwm ntawm qhov kub siab dua, ua rau lawv haum rau cov ntawv thov dav.
Kev Txhim Kho Lubrication: Lubricating cov khoom ntawm cov polymer slurries pab txo cov kev hnav ntawm cov khoom siv drilling.
LANCOMING:
Tus nqi: polymer slurry tuaj yeem kim tshaj bentonite, nyob ntawm cov ntaub ntawv tshwj xeeb.
Kev cuam tshuam ib puag ncig: qee cov hluavtaws hluavtaws yuav muaj kev cuam tshuam ib puag ncig uas xav tau kev ntsuas kom tsim nyog.
Hauv kev xaus:
Thaum bentonite thiab polymer slurries muaj zoo sib xws hauv kev lag luam, lawv qhov sib txawv ntawm kev sib xyaw, cov khoom siv thiab kev siv rau cov xwm txheej sib txawv. Qhov kev xaiv ntawm bentonite thiab polymer slurry nyob ntawm qhov tshwj xeeb ntawm ib qho kev coj ua, kev cuam tshuam nrog tus nqi, kev cuam tshuam ib puag ncig, mob ib puag ncig thiab cov yam ntxwv kom ua tau. Cov kws tshawb fawb thiab cov kws kho tswv yim yuav tsum ntsuas cov khoom siv no los txiav txim siab cov ntaub ntawv zoo tshaj rau lawv cov ntawv thov npaj.
Lub Sijhawm Post: Jan-26-2024