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Coal mining, water conservancy construction

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Application field

Coal seam freezing mining, tunnel frozen soil construction, low temperature dam pouring, concrete precooling and so on need to use the process precooling, freezing technology.

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Detailed introduction

Coal seam frozen mining, tunnel frozen soil construction, low temperature dam pouring, concrete precooling and so on need to use the process precooling, freezing technology.

A special geotechnical construction method that freezes the water in the soil around the underground space to be excavated into ice and cements it with the soil mass by artificial refrigeration to form a frozen soil wall or closed frozen soil body in accordance with the designed outline to resist the earth pressure, isolate the groundwater and carry out underground engineering construction under the protection of the frozen soil wall;

Mining coal seam mining construction, metal smelting underground mining construction, subway tunnel shield construction, highway tunnel frozen soil construction, combustible ice freezing mining, natural gas freezing mining.

Freezing method has the following advantages:

Effective isolation of groundwater;

Strong adaptability, almost not restricted by formation conditions (except low water content formation);

Construction is flexible;

Green construction, no pollution;

Construction of complex strata is economical and reasonable.

Food processing refrigeration

Component manufacturing

Food processing refrigeration

Component manufacturing