Cooling equipment for firedamp in mining operations
DE19547420C1
Cooling equipment for fire-damp in mining operations
DE19532694C1
Air-cooler for underground mine
DE19517633A1
Mine face air cooler
DE4442004C1
Working face air=conditioning method for underground mines
DE4405192C1
Cooling apparatus for underground mining spaces, in particular for winning faces
DE4341024C1
Installation for the temperature conditioning of an underground mining operation
DE4239226C1
Installation for temp. conditioning of coal-face - involves at least one eddy tube cooler with at least one tube having input side compressed air inlet and outlet side cold air central shutter and warm air ring shutter
DE4005426A1
Plant for the temperature conditioning in a quarry of an underground mining operation
DE3915776A1
Man cooling system for an underground mining operation
DE3915774A1
Mine gallery air-conditioning system - has individually-regulated rotary-jet coolers at intervals along compressed-air pipe
DE3645307C2
Parallel serpentine heat exchange tubes in common plane
DE3525134A1
Method of cooling the air at an underground working face
DE3302786A1
Evaporator arrangement for refrigeration plants, especially for underground operation
DE3002766A1
Mine-ventilation equipment with refrigeration circuit - has de-gasification vessel between compressor, oil separator and pump
DE2930278A1
Mine-working area ventilation and air conditioning - involves use of evaporation cold by condensing fresh air current moisture and reheating
DE2930277A1
Mine area air conditioning cooling machine - has throttle and return valves on distributor pipes linking shared supply pipe
