BE572748A - - Google Patents
Info
- Publication number
- BE572748A BE572748A BE572748DA BE572748A BE 572748 A BE572748 A BE 572748A BE 572748D A BE572748D A BE 572748DA BE 572748 A BE572748 A BE 572748A
- Authority
- BE
- Belgium
- Prior art keywords
- pump
- control
- working
- pressure
- pumping
- Prior art date
Links
- 238000005086 pumping Methods 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000003245 coal Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000005065 mining Methods 0.000 description 4
- 230000033764 rhythmic process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000003307 slaughter Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
- E21F13/086—Armoured conveyors shifting devices
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)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Reciprocating Pumps (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE572748A true BE572748A (forum.php) |
Family
ID=190445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE572748D BE572748A (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE572748A (forum.php) |
-
0
- BE BE572748D patent/BE572748A/fr unknown
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