Mobile tunnel local ventilation refrigeration device

Abstract

The invention discloses a mobile tunnel local ventilation refrigeration device. The device comprises a walking device, wherein the walking device is provided with a refrigeration device used for adjusting the temperature of a local area of the tunnel working face to realize refrigeration, a ventilation system connected with the refrigeration device and used for introducing gas into the refrigeration device, and an oxygen supply device connected with the ventilation system and used for adding oxygen into the airflow. According to the mobile tunnel local ventilation refrigeration device, the functions of rapid movement, large air volume rapid refrigeration and rapid oxygenation of the semi-closed space can be integrated, so that a comfortable working environment can be provided for workers,the situation that workers are injured due to high temperature and hypoxia can be reduced or even avoided, and the tunnel construction efficiency can also be improved.

Description

technical field [0001] The invention relates to the technical field of tunnel construction, in particular to a mobile tunnel local ventilation and refrigeration equipment. Background technique [0002] At present, there are a large number of domestic railway tunnel construction projects, and the geological conditions encountered are also diverse, many of which will bring great difficulties to the construction. Among them, the high geothermal environment will cause the temperature in the tunnel to rise above 45°C, and the construction personnel will basically be unable to work in such a high temperature environment; however, the means for cooling the inside of the tunnel are very limited and the effect is not good. The current domestic solution Most of them are to strengthen the ventilation of the tunnel and transport ice cubes into the tunnel. When the tunnel is long, it is necessary to double the power of the fan equipment and the number of air ducts to strengthen the vent...

AI Technical Summary

Problems solved by technology

[0002] At present, there are a large number of domestic railway tunnel construction projects, and the geological conditions encountered are also diverse, many of which will bring great difficulties to the construction

Among them, the high geothermal environment will cause the temperature in the tunnel to rise above 45°C, and the construction personnel will basically be unable to work in such a high temperature environment; however, the means for cooling the inside of the tunnel are very limited and the effect is not good. The current domestic solution Mostly to enhance tunnel ventilation, transport ice into the tunnel, etc.

When the tunnel is long, it is necessary to double the power of the fan equipment and the number of air ducts to strengthen the ventilation of the tunnel. However, due to the high ambient temperature in the tunnel, the cold air is heated before it reaches the working surface, and the cooling effect is poor.

In addition, some construction units cool down by transporting ice cubes into the tunnel, but the ice absorbs heat slowly in the tunnel and cannot achieve the ideal cooling effect

[0003] Therefore, how to avoid affecting the health of the staff and reducing work efficiency due to the inability of the local area of ​​the tunnel working face to meet the needs of the staff for the working environment is a technical problem that those skilled in the art need to solve at present.

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