Qhov chaw strip mining yog dab tsi?
Qhov chaw strip mining yog dab tsi?

Video: Qhov chaw strip mining yog dab tsi?

Video: Qhov chaw strip mining yog dab tsi?
Video: Saib Mis paub Poj niam (hluas nkauj) tus yam ntxwv lub siab 2024, Hlis ntuj nqeg
Anonim

cheeb tsam strip mining . hom nto mining siv qhov chaw tiaj tus. ib tug earthmover strips deb lub overburden, thiab lub hwj chim duav khawb ib tug txiav kom tshem tawm cov pob zeb hauv av deposit. Tom qab ntawd lub trench raug foob nrog overburden thiab ib qho kev txiav tshiab yog ua tib yam rau yav dhau los.

Tom qab ntawd, thaj chaw strip mining siv rau dab tsi?

" Sawb mining "yog kev xyaum ua mining ib lub seam ntawm cov ntxhia, los ntawm thawj zaug tshem tawm ntev strip ntawm overlying av thiab pob zeb (lub overburden); Qhov kev ua no kuj tseem hu ua "overburden tshem tawm". Nws yog feem ntau siv rau kuv coal thiab lignite (xim av coal). Muaj ob hom ntawm strip mining.

Tsis tas li ntawd, dab tsi yog contour strip mining? Contour mining yog ib tug version ntawm strip mining uas ua raws cov contours ntawm outcrops thiab hilly terrains. Feem ntau, cov ntxhia seam ua raws li cov daim duab ntawm cov outcrop, thiab cov overburden raug tshem tawm kom zoo raws li cov seam nyob rau hauv ntau me me thiab kev cai excavations es ntev strips.

Ua kom pom qhov no, hom mining yog thaj tsam dab tsi?

Sawb mining, tshem tawm cov av thiab pob zeb (overburden) saum ib txheej los yog seam (tshwj xeeb tshaj yog thee ), tom qab ntawd los ntawm kev tshem tawm cov pob zeb hauv av. Cov txheej txheem strip-mining feem ntau yog cais raws li cheeb tsam mining lossis contour mining raws li qhov tso nyiaj geometry thiab hom.

Vim li cas strip mining phem?

Sawb mining rhuav tshem tej toj roob hauv pes, hav zoov thiab tej tsiaj qus tej vaj tse nyob ntawm qhov chaw ntawm lub mine thaum ntoo, nroj tsuag, thiab av saum toj no tshem tawm ntawm lub mine. mining cheeb tsam. Qhov no nyob rau hauv lem ua rau av yaig thiab kev puas tsuaj ntawm cov av ua liaj ua teb. Thaum nag ntxuav cov av saum toj kawg nkaus loosened mus rau hauv cov kwj deg, cov dej khib nyiab ua rau cov dej tsis zoo.

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