BE487651A - - Google Patents
Info
- Publication number
- BE487651A BE487651A BE487651DA BE487651A BE 487651 A BE487651 A BE 487651A BE 487651D A BE487651D A BE 487651DA BE 487651 A BE487651 A BE 487651A
- Authority
- BE
- Belgium
- Prior art keywords
- coal
- tools
- heads
- cutting
- head
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 82
- 238000005520 cutting process Methods 0.000 claims description 67
- 230000009471 action Effects 0.000 claims description 13
- 239000003610 charcoal Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000005065 mining Methods 0.000 claims description 7
- 238000010408 sweeping Methods 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000011068 loading method Methods 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims description 5
- 238000003776 cleavage reaction Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000007017 scission Effects 0.000 claims description 4
- 230000005641 tunneling Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 230000000750 progressive effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 3
- 241001417527 Pempheridae Species 0.000 claims 1
- 239000012141 concentrate Substances 0.000 claims 1
- 230000002250 progressing effect Effects 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 238000005422 blasting Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000011888 foil Substances 0.000 description 3
- 238000003307 slaughter Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 230000036346 tooth eruption Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009966 trimming 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)
- Crushing And Pulverization Processes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE487651A true BE487651A (de) |
Family
ID=133032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE487651D BE487651A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE487651A (de) |
-
0
- BE BE487651D patent/BE487651A/fr unknown
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