BE550750A - - Google Patents
Info
- Publication number
- BE550750A BE550750A BE550750DA BE550750A BE 550750 A BE550750 A BE 550750A BE 550750D A BE550750D A BE 550750DA BE 550750 A BE550750 A BE 550750A
- Authority
- BE
- Belgium
- Prior art keywords
- heads
- coal
- machine
- coal mining
- row
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 51
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000005065 mining Methods 0.000 claims description 11
- 239000003610 charcoal Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 210000003462 vein Anatomy 0.000 description 5
- 238000003776 cleavage reaction Methods 0.000 description 4
- 210000005069 ears Anatomy 0.000 description 4
- 230000007017 scission Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013138 pruning Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003197 gene knockdown Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 238000003307 slaughter Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21C27/22—Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills, i.e. the rotary axis of the tool carrier being substantially perpendicular to the working face, e.g. MARIETTA-type
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Harvesting Machines For Specific Crops (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE550750A true BE550750A (enrdf_load_stackoverflow) |
Family
ID=176513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE550750D BE550750A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE550750A (enrdf_load_stackoverflow) |
-
0
- BE BE550750D patent/BE550750A/fr unknown
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