Experiment and Application of Underground Local Refrigeration System in High Temperature

CHEN Yanjie

Safety in Coal Mines > 2016 > 47(7): 34-36,40.

CHEN Yanjie. Experiment and Application of Underground Local Refrigeration System in High Temperature[J]. Safety in Coal Mines, 2016, 47(7): 34-36,40.

Citation:

CHEN Yanjie. Experiment and Application of Underground Local Refrigeration System in High Temperature[J]. Safety in Coal Mines, 2016, 47(7): 34-36,40.

Citation:

CHEN Yanjie. Experiment and Application of Underground Local Refrigeration System in High Temperature[J]. Safety in Coal Mines, 2016, 47(7): 34-36,40.

Experiment and Application of Underground Local Refrigeration System in High Temperature

CHEN Yanjie

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Published Date: July 19, 2016

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Abstract

Abstract

For the engineering and geological conditions at 411 working face of Longjiapu Mine, the underground local refrigeration system for cooling and dehumidification was applied. The results showed that: after three hours usage of the underground local refrigeration system, the working face average temperature dropped of 3.3 ℃ to 5.3 ℃ and the average humidity dropped of 11% to 17%; when the airflow temperature and humidity decreased, the average temperature drop and dehumidification effect would reduce; the underground local refrigeration system can make the temperature of the working face dropped to below 26 ℃, and the dehumidification effect is obvious.
- local refrigeration system,
- high temperature and high humidity face,
- cooling system,
- dehumidification,
- deep mining

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