Video: Dab tsi yog cov kauj ruam los txiav cov mining?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Sawb mining yog cov txheej txheem ntawm kev tshem tawm nyias strip ntawm overburden (lub ntiaj teb los yog av) saum toj no xav tau deposit, dumping lub tshem tawm overburden qab lub deposit, rho tawm qhov xav tau deposit, tsim ib tug thib ob, parallel. strip tib yam, thiab tso cov khoom pov tseg los ntawm qhov thib ob (tshiab) strip mus rau ntawm
Hais txog qhov no, strip mining ua li cas?
" 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). Nws yog feem ntau yog siv rau mine thee thiab lignite (xim av coal). Contour stripping feem ntau ua raws li auger mining mus rau toj roob hauv pes, kom tshem tawm ntau cov ntxhia.
Tom qab ntawd, lo lus nug yog, dab tsi txoj kev siv rau kev tsuas? 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.
Ntxiv mus, strip mining pib li cas?
Xyoo 1960, mining tuam txhab pib mus bulldoze thiab dynamite hillsides mus txog thee veins tsis khawb. Daim ntawv no ntawm strip - mining , hu ua contour mining , ua rau pom kev puas tsuaj ntau dua li cov tsoos sib sib zog nqus mining , tawm hauv roob mus tas li gouged thiab, tej zaum, farmland puas.
Qhov chaw strip mining yog dab tsi?
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.
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