Video: Lub ru tsev mine txhawb li cas hauv chav thiab pillar mining?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Ua li no, " chav "ntawm ore raug khawb tawm thaum" ncej "ntawm cov khoom uas tsis tau kov tau raug tso tseg kev txhawb nqa tus lub ru tsev overburden. Cov chav thiab ncej system yog siv nyob rau hauv mining thee, gypsum, hlau, thiab uranium ores, tshwj xeeb tshaj yog thaum pom li manto los yog pam vov deposits, pob zeb thiab aggregates, talc, soda tshauv thiab potash.
Ua raws li qhov kev pom no, dab tsi yog qhov cuam tshuam ib puag ncig ntawm chav tsev thiab pillar mining?
Room thiab pillar mining yog tsis yog- kev puas tsuaj npaj rau ib lub mine, khaws cia thaj av muaj nuj nqis saum toj no. Nws yog ib qho ntawm kev nyab xeeb tshaj plaws thiab yog ib txoj hauv kev zoo tshaj plaws rau kev siv hluav taws xob mining niaj hnub no, tsim kom muaj qhov tsis zoo. kev puas tsuaj ib puag ncig (tsis muaj txav ntawm av ) thiab ua kom huv si dej qauv.
Tom qab ntawd, lo lus nug yog, 4 txoj hauv kev tseem ceeb ntawm kev tsuas yog dab tsi? Muaj plaub txoj kev mining tseem ceeb: hauv av, qhib qhov chaw (qhov), qhov chaw, thiab hauv qhov chaw mining.
- Cov mines hauv av yog kim dua thiab feem ntau siv kom ncav cuag qhov tob tob.
- Cov mines nto feem ntau yog siv rau cov khoom ntiav ntau dua thiab tsis tshua muaj nqis.
Tsis tas li ntawd, dab tsi yog ib tug sill ncej hauv mining?
Cov ntsiab lus ntawm Mining 12.11 Nws.). Cov sill ncej yog cov ore uas nyob hauv qab qhov chaw nres tsheb kom tsis txhob tawg ntawm qhov chaw ua haujlwm nres (Daim duab. ncej yog ib feem ntawm cov ore sab laug ntawm ob qhov chaw nres tsheb raws li nyob rau hauv txoj kev rov qab ntsug mining (VRM) txoj kev lossis ib puag ncig ib puag ncig tus qauv zoo li mineshafts.
strip mining ua haujlwm li cas?
" Sawb mining "yog kev xyaum ua mining ib tug seam ntawm ntxhia, los ntawm thawj tshem tawm ib tug ntev strip ntawm overlying av thiab pob zeb (lub overburden). Nws yog feem ntau yog siv los ua mine thee thiab lignite (xim av thee). Sawb mining tsuas yog siv tau thaum lub cev ore yuav tsum tau khawb yog nyob ze ntawm qhov chaw.
Pom zoo:
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Dab tsi yog qhov cuam tshuam ib puag ncig ntawm chav tsev thiab pillar mining?
Chav thiab pillar mining yog ib txoj kev npaj uas tsis yog-subsidence rau ib lub mine, khaws cia thaj av muaj nuj nqis saum toj no. Nws yog ib qho kev nyab xeeb tshaj plaws thiab yog ib txoj hauv kev zoo tshaj plaws rau kev ua haujlwm mining thee niaj hnub no, tsim kom muaj ib puag ncig tsis zoo (tsis muaj kev txav ntawm av) thiab tswj cov qauv dej huv