Taw qhia
Cov txheej txheem ntawm drilling qhov yog ib qho tseem ceeb ntawm kev tsim kho, mining, thiab lwm yam kev lag luam. Ib qho ntawm feem ntau hom drilling siv nyob rau hauv cov sectors yog cov tub ntxhais drilling, uas yog siv los rho tawm cylindrical-shaped cores los ntawm ntau yam ntaub ntawv. Core laum khoom yog tsim los txiav los ntawm cov ntaub ntawv nyuaj xws li pob zeb thiab pob zeb, ua rau lawv tseem ceeb rau cov haujlwm uas cuam tshuam rau hauv phab ntsa, pem teb, thiab pavements. Thaum nws los nkag siab tias nws yuav siv sij hawm ntev npaum li cas rau cov tub ntxhais xyaum lub qhov, ntau yam tuaj yeem ua si, suav nrog qhov loj ntawm lub qhov, hom khoom siv drilled, thiab cov cuab yeej siv.
Tej yam uas cuam tshuam rau Core Drilling Time
Qhov luaj li cas ntawm lub qhov drilled plays lub luag haujlwm tseem ceeb hauv kev txiav txim siab lub sijhawm nws yuav siv los ua kom tiav cov haujlwm tseem ceeb drilling. Qhov loj dua yuav tsum tau siv sij hawm ntau dua los xyaum, thaum lub qhov me me yuav siv sij hawm tsawg dua. Hom ntawm cov khoom uas raug drilled kuj cuam tshuam rau lub sijhawm ua kom tiav cov haujlwm. Cov ntaub ntawv xws li pob zeb thiab pob zeb yog ib qho nyuaj rau kev txiav, thiab yog li ntawd yuav tsum tau siv sij hawm ntau dua piv rau cov khoom siv softer xws li ntoo lossis yas.
Cov cuab yeej siv yog lwm qhov tseem ceeb uas cuam tshuam rau lub sijhawm drilling. Cov kev xyaum sib txawv yog tsim los rau cov kev siv tshwj xeeb, thiab qee qhov muaj zog dua li lwm tus, txhais tau tias lawv tuaj yeem xyaum los ntawm cov ntaub ntawv muaj zog ntau dua li lawv cov tsis muaj zog. Tsis tas li ntawd, hom laum me ntsis siv yog qhov tseem ceeb rau kev txiav txim siab vim qhov no ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab sai npaum li cas cov txheej txheem drilling yuav siv sijhawm.
Txheej Txheem Drilling
Cov txheej txheem tseem ceeb ntawm qhov drilling yog qhov ncaj, tab sis nws yuav tsum tau ua kom raug thiab kev txawj ntse kom ua tiav kom raug. Cov txheej txheem pib nrog xaiv qhov kev xyaum zoo thiab xyaum me ntsis rau cov khoom siv tho. Thaum cov cuab yeej nyob rau hauv qhov chaw, tus neeg teb xov tooj mam li tso lub laum me ntsis rau hauv qhov chaw xav tau los pib drilling. Tom qab ntawd lub laum yog qhib, thiab lub ntsis pib tig, txiav los ntawm cov khoom thiab tsim ib lub qhov.
Raws li cov txheej txheem drilling txuas ntxiv, lub laum me ntsis yog txias los ntawm dej, uas tiv thaiv nws los ntawm overheating. Cov dej yog qhia raws li ib tug coolant, thiab nws yog tsis tu ncua circulated hla lub laum me ntsis siv ib tug tshwj xeeb tsim system. Cov txheej txheem no tseem yuav pab tshem tawm cov khib nyiab thiab tiv thaiv kev txhaws, uas tuaj yeem ua rau lub laum qeeb lossis txawm tias nres.
Thaum qhov xav tau qhov tob rau lub qhov tau mus txog, tus neeg teb xov tooj mam li tshem tawm lub laum me ntsis thiab rho tawm cov tub ntxhais ntawm lub qhov. Cov tub ntxhais uas tau muab rho tawm tuaj yeem siv rau ntau lub hom phiaj, xws li kev ntsuas qhov zoo ntawm cov khoom siv los yog tshuaj xyuas cov txheej txheem kev ncaj ncees ntawm qhov drilled nto.
Yam Tseem Ceeb Uas Ua Rau Lub Sijhawm Drilling Core
Ntau yam tuaj yeem ua rau lub sijhawm ua kom tiav cov txheej txheem drilling, suav nrog qhov loj ntawm lub qhov, hom khoom siv drilled, thiab cov cuab yeej siv.
Qhov Loj
Qhov luaj li cas ntawm qhov drilling yog ib qho ntawm cov ntsiab lus tseem ceeb uas ua rau lub sij hawm tseem ceeb drilling. Qhov loj dua yuav tsum tau siv sij hawm ntau dua los xyaum dua qhov me. Piv txwv li, drilling ib 6-inch qhov yuav siv sij hawm ntau tshaj qhov drilling 2-inch qhov. Qhov no yog vim qhov loj dua yuav tsum tau muab tshem tawm ntau dua, uas yuav siv sij hawm ntau dua.
Hom khoom
Cov khoom siv tho yog lwm qhov tseem ceeb ua rau lub sijhawm drilling. Cov ntaub ntawv nyuaj xws li pob zeb, pob zeb, thiab hlau yuav tsum tau siv sij hawm ntau dua los xyaum piv rau cov ntaub ntawv softer xws li ntoo thiab yas. Qhov no yog vim hais tias cov ntaub ntawv nyuaj yog ntau ntom thiab nyuaj rau txiav los ntawm, yuav tsum tau ntau zog thiab qeeb drilling ceev. Cov ntaub ntawv softer, ntawm qhov tod tes, tuaj yeem drilled sai dua, yuav tsum tau siv sijhawm tsawg los ua kom tiav cov txheej txheem drilling.
Drill Power thiab Speed
Lub laum lub zog thiab qhov nrawm kuj tseem muaj txiaj ntsig rau lub sijhawm drilling tseem ceeb. Cov cuab yeej siv hluav taws xob ntau dua yog siv rau kev drilling los ntawm cov ntaub ntawv muaj zog dua, uas txhais tau hais tias lawv tuaj yeem ua tiav txoj haujlwm sai dua li kev xyaum ua haujlwm qis dua. Tsis tas li ntawd, kev xyaum ua haujlwm siab dua tuaj yeem ua tiav txoj haujlwm sai dua li cov uas muaj qhov qis dua vim tias lawv tuaj yeem txiav cov khoom sai dua.
Drill Bit Quality thiab Hom
Qhov zoo thiab hom laum me ntsis siv yog qhov tseem ceeb rau kev txiav txim siab hauv cov txheej txheem drilling. Cov khoom sib txawv yog tsim los rau ntau yam ntaub ntawv thiab kev siv, nrog qee qhov ua tau zoo thiab ua haujlwm zoo dua li lwm tus. Piv txwv li, pob zeb diamond-tipped laum khoom yog qhov kev xaiv zoo tshaj plaws rau kev drilling los ntawm cov pob zeb thiab pob zeb vim tias lawv tuaj yeem txiav los ntawm cov ntaub ntawv nyuaj sai dua li lwm hom kev xyaum.
Xaus
Core drilling yog cov txheej txheem tseem ceeb hauv ntau yam kev lag luam, suav nrog kev tsim kho thiab tsuas. Txawm hais tias muaj ntau yam ua rau lub sijhawm coj mus rau qhov tseem ceeb xyaum lub qhov, nrog rau qhov loj me, cov khoom siv, xyaum lub zog thiab ceev, thiab xyaum me ntsis zoo thiab hom, cov txheej txheem yog ncaj nraim. Xaiv qhov zoo laum thiab laum me ntsis rau cov khoom siv tho yog qhov tseem ceeb, vim nws tuaj yeem pab ua kom cov txheej txheem drilling thaum ua tau zoo. Nrog rau cov cuab yeej thiab kev txawj ntse, leej twg tuaj yeem paub cov txuj ci ntawm cov tub ntxhais drilling thiab ua tiav cov haujlwm nrog precision thiab ua haujlwm zoo.