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Cooling heat-exchanger in underground mine
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Air cooler with slotted cooler plate
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Method of cooling the air in underground mining and tunnelling
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Mine air cooling circuit with underground water extraction - has water admixture point directly connected to primary circuit supply lead
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Heat recovery system for mining sewage - includes hot water circuit with heat exchanger and evaporator preceding output circuit
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Underground mine air conditioning cold conveyor duct - has insulation walling inside load-bearing pipe walling sections
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Underground mine air cooling system - has additional solely underground cold circuit between those leading upward and on site
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Cooling circuit for mine air - provides initial waste heat transfer to pit water through heat conductor circuit
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DEVICE FOR COOLING AIR OR GASES IN THE UNDERGROUND OPERATION OF MINES
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Environmental cabin for use in underground mining operations - has collapsible transportable construction with built in air conditioning unit
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