Technique for cooling deep mining area by using ground temperature of shallow goaf and waste roadway
A goaf and deep technology, which is used in mine/tunnel ventilation, mining equipment, earth-moving drilling, etc., can solve the problem of pre-cooling air volume, wind resistance adjustment, difficulty in air flow adjustment, and heat exchange area between wind flow and surrounding rock in the goaf. Small problems such as optimizing the ventilation system management mode, improving the ventilation management level, and consolidating the effect of cooling and pre-cooling
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[0026] In order to further describe the present invention, the following describes in further detail the technology of the present invention to cool down the deep mining area by using the shallow mined-out area and the waste roadway ground temperature with reference to the accompanying drawings and embodiments.
[0027] by figure 1 The schematic diagram of the cooling system of the deep mining area by using the shallow mined-out area and waste roadway ground temperature to pre-cool all the air flow of the deep inlet air source shows that the high-temperature air on the surface in summer (3~5℃ higher than the local annual average temperature) Shallow air intake shaft 1 descends, and under the negative pressure of pre-cooling fan 3 in the middle section of (n-1) shallow mined-out areas located in the upper part and the middle section of waste roadway 2 (pre-cooling fan extraction operation), the mine All the fresh air flow of the inlet air is introduced into the shallow goaf and the...
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