PL201891A1 - Sposob zwalczania pylu na odslonietych stropach wyrobisk kopalni wegla - Google Patents

Sposob zwalczania pylu na odslonietych stropach wyrobisk kopalni wegla

Info

Publication number
PL201891A1
PL201891A1 PL20189177A PL20189177A PL201891A1 PL 201891 A1 PL201891 A1 PL 201891A1 PL 20189177 A PL20189177 A PL 20189177A PL 20189177 A PL20189177 A PL 20189177A PL 201891 A1 PL201891 A1 PL 201891A1
Authority
PL
Poland
Prior art keywords
coal mine
combating dust
floors
exposed
exposed floors
Prior art date
Application number
PL20189177A
Other languages
English (en)
Other versions
PL113785B1 (en
Original Assignee
Kalk Chemische Fabrik Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kalk Chemische Fabrik Gmbh filed Critical Kalk Chemische Fabrik Gmbh
Publication of PL201891A1 publication Critical patent/PL201891A1/pl
Publication of PL113785B1 publication Critical patent/PL113785B1/pl

Links

Classifications

    • 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
    • E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
    • 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
    • E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • E21F5/16—Layers of hygroscopic or other salts deposited on floors, walls, or the like, for binding dust; Deposition of such layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Processing Of Solid Wastes (AREA)
PL1977201891A 1976-11-05 1977-11-03 Method for controlling dustiness of uncovered coal mineexcavation roofs PL113785B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2650675A DE2650675C3 (de) 1976-11-05 1976-11-05 Verfahren zur Staubbekämpfung am Hangenden von Gewinnungsbetrieben des Kohlenbergbaus

Publications (2)

Publication Number Publication Date
PL201891A1 true PL201891A1 (pl) 1978-07-17
PL113785B1 PL113785B1 (en) 1980-12-31

Family

ID=5992508

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1977201891A PL113785B1 (en) 1976-11-05 1977-11-03 Method for controlling dustiness of uncovered coal mineexcavation roofs

Country Status (4)

Country Link
BE (1) BE860476A (pl)
DE (1) DE2650675C3 (pl)
PL (1) PL113785B1 (pl)
ZA (1) ZA776641B (pl)

Also Published As

Publication number Publication date
PL113785B1 (en) 1980-12-31
DE2650675B2 (de) 1979-12-13
ZA776641B (en) 1978-06-28
BE860476A (fr) 1978-03-01
DE2650675C3 (de) 1980-08-28
DE2650675A1 (de) 1978-05-11

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Legal Events

Date Code Title Description
LAPS Decisions on the lapse of the protection rights

Effective date: 20090613