Heat removal equipment of refrigeration system for mine

A refrigeration system and mine-used technology, which is applied in mining equipment, mine/tunnel ventilation, earthwork drilling and mining, etc. It can solve the problem of complex connection structure between heat exchange tubes and liquid distribution tubes, uneven distribution of refrigeration media, and problems with heat exchangers. Low thermal efficiency and other issues, to achieve the effect of ensuring heat exchange efficiency, improving heat removal capacity, and meeting heat removal needs

Active Publication Date: 2015-07-01
CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional air-conditioning units use tube-and-tube heat exchangers to discharge heat. For tube-and-tube heat exchangers, the heat exchange tubes are usually smooth straight tubes with small heat transfer area and poor heat transfer performance. The heat exchanger occupies a large area
[0004] And in the heat exchanger in the prior art, the heat exchange tube is directly connected to the liquid distribution pipe, so the distribution holes on the liquid distribution pipe are densely arranged, and the connection structure between the heat exchange tube and the liquid distribution pipe is complicated; and the dense arrangement of the distribution holes results in The fluid pressure difference at different parts on the liquid distribution pipe is relatively large, which also leads to the uneven distribution of the cooling medium in the heat exchanger of the air conditioning unit, so that the heat energy of the cooling medium cannot be fully absorbed by the cooling water, and the heat transfer efficiency of the heat exchanger is low. Low

Method used

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  • Heat removal equipment of refrigeration system for mine
  • Heat removal equipment of refrigeration system for mine
  • Heat removal equipment of refrigeration system for mine

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Embodiment Construction

[0030] The present invention will be further described below with reference to the drawings and embodiments.

[0031] As shown in the figure, the heat rejection equipment of the mining refrigeration system of this embodiment includes a tubular heat exchanger shell 1 in which a heat exchange tube assembly and a cooling device sprayed to the heat exchange tube assembly are provided. Spray assembly, one end of the heat exchanger shell 1 is an air inlet end, and the other end is an air outlet end;

[0032] The air inlet end of the heat exchanger shell 1 is provided with a liquid collecting pipe 2, and the air outlet end of the heat exchanger shell 1 is provided with a liquid separator 3, and the heat exchange tube assembly includes a short branch pipe 4 and The four heat exchange tubes 5 whose ends are fixedly connected to the short split tube 4 (of course, in different embodiments, the number of heat exchange tubes 5 on the same short split tube 4 can also be two or more other values,...

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Abstract

The invention discloses heat removal equipment of a refrigeration system for a mine, which comprises a casing of a heat exchanger, a heat exchange pipe component and a spraying component, wherein the heat exchange pipe component comprises flow dividing short pipes and heat exchange pipes of which the end parts are fixedly connected to the flow dividing short pipes, and both ends of the heat exchange pipes are respectively communicated with a liquid dividing pipe and a liquid collecting pipe by the flow dividing short pipes; and the spraying component comprises a first spraying pipe arranged on the radial section of the air inlet end of the casing of the heat exchanger. The heat exchange pipes of the heat removal equipment of the refrigeration system for the mine are connected with the liquid dividing pipe and the liquid collecting pipe by the flow dividing short pipes, so that flow dividing holes in the liquid dividing pipe and the liquid collecting pipe are greatly reduced, the structure is simple, and the manufacture is more convenient; meanwhile, the fluid pressure difference change in the length direction of the liquid dividing pipe and the flow distribution of a refrigeration medium of an air conditioning unit in each heat exchange pipe are uniform, the refrigeration medium can be fully in heat exchange with a spraying and cooling medium, the performance of heat removal is good, and the requirement of heat removal of an air conditioning unit system of a shaft can be met; and the water spraying pressure of the first spraying pipe can be regulated, the atomizing effect of spraying water can be ensured, and the performance of heat exchange of the heat exchange equipment can be further enhanced.

Description

Technical field [0001] The invention relates to a heat exchange device, in particular to a heat rejection device of a mine refrigeration system. Background technique [0002] The heat damage in the mine is becoming more and more serious. In the underground air conditioning unit system, the removal of the condenser heat is the key to the normal operation of the unit. Therefore, the heat exchanger of the mine air conditioning unit system is required to have good heat exchange performance. [0003] Traditional air conditioning units use tube-and-tube heat exchangers to remove heat. For tube-and-tube heat exchangers, the heat exchange tubes are usually straight and smooth, with a small heat exchange area and poor heat exchange performance. The heat exchanger covers a large area. [0004] Moreover, in the heat exchanger in the prior art, the heat exchange tube is directly connected to the liquid distribution tube, so the distribution holes on the liquid distribution tube are densely arra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21F3/00
Inventor 闫洪远姬建虎张习军陈孜虎褚召祥董浩民刘俊杰曾明明龚林平胡靖
Owner CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD
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