BE565413A - - Google Patents
Info
- Publication number
- BE565413A BE565413A BE565413DA BE565413A BE 565413 A BE565413 A BE 565413A BE 565413D A BE565413D A BE 565413DA BE 565413 A BE565413 A BE 565413A
- Authority
- BE
- Belgium
- Prior art keywords
- gallery
- waist
- felling
- coal
- size
- Prior art date
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 32
- 239000003245 coal Substances 0.000 claims description 32
- 210000003462 Veins Anatomy 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 29
- 238000007790 scraping Methods 0.000 claims description 23
- 210000001624 Hip Anatomy 0.000 claims description 20
- 239000004744 fabric Substances 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 13
- 238000003307 slaughter Methods 0.000 claims description 11
- 238000005422 blasting Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 230000000875 corresponding Effects 0.000 claims description 6
- 230000001174 ascending Effects 0.000 claims description 3
- 238000007791 dehumidification Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 2
- 238000010408 sweeping Methods 0.000 claims description 2
- 238000006748 scratching Methods 0.000 claims 2
- 230000002393 scratching Effects 0.000 claims 2
- 238000009825 accumulation Methods 0.000 claims 1
- 239000000969 carrier Substances 0.000 claims 1
- 210000000056 organs Anatomy 0.000 claims 1
- 238000000605 extraction Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000001681 protective Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 210000000481 Breast Anatomy 0.000 description 1
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000977 initiatory Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004301 light adaptation Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002250 progressing Effects 0.000 description 1
- 230000000750 progressive Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000284 resting Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
- E21C27/34—Machine propelled along the working face by cable or chain
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE565413A true BE565413A (de) |
Family
ID=185934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE565413D BE565413A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE565413A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4030752A (en) * | 1976-03-08 | 1977-06-21 | Atlantic Richfield Company | Longwall mining of thick underground mineral seams |
-
0
- BE BE565413D patent/BE565413A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4030752A (en) * | 1976-03-08 | 1977-06-21 | Atlantic Richfield Company | Longwall mining of thick underground mineral seams |
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