Heat tube type hot dry rock efficient heat exchange device

A technology of heat exchange device and hot dry rock, which is applied in the field of high-efficiency heat exchange device for heat pipe type hot dry rock, can solve the problems of low heat exchange efficiency, achieve the effects of improving heat exchange rate, safe and reliable structure, and wide application conditions

Pending Publication Date: 2018-05-18
王盛昌
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiencies of the existing technology and solve the technical problem of low heat exchange efficiency of the hot dry rock heat exchanger system in the prior art, the present invention provides a heat pipe type high-efficiency heat exchange device for hot dry rock

Method used

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  • Heat tube type hot dry rock efficient heat exchange device

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Embodiment Construction

[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0021] Such as figure 1 The shown heat pipe type hot dry rock high-efficiency heat exchange device includes a head 1, an infusion heat pipe 3, a heat insulation pipe 6, a water diversion head 7, a water supply pipe 8 and a water return pipe 9, and the water supply pipe 8 The hot water flows back through the return pipe 9 after being heated by the external heating body, wherein: the infusion heat pipe 3 is arranged in a borehole drilled vertically downward on the ground by a drilling rig, and the top and bottom of the infusion heat pipe 3 are arranged It is an open end, and the lower lumen of the infusion heat pipe 3 is set as a wide-mouth section, and the upper lumen of the infusion heat pipe 3 is set as a narrow-mouth section, and the wide-mouth section and the narrow-mouth section are transitionally connected through a transition pipe sectio...

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Abstract

The invention discloses a heat tube type hot dry rock efficient heat exchange device, belongs to the technical field of hot dry rock heat exchange, and solves the technical problem that a hot dry rockheat exchange system is low in heat exchange efficiency. The scheme is as follows: a transfusion heat conducting tube comprises a widemouthed section and a narrowmouthed section, the top and bottom of the transfusion heat conducting tube are arranged as open ends, an end enclosure is arranged on the lower end surface of the widemouthed section, a water collecting and dividing end enclosure is arranged on the top end of the narrowmouthed section, a water supply pipe and a water return pipe are arranged on the water collecting and dividing end enclosure, the water supply pipe communicates to acavity of the transfusion heat conducting tube, a heat-isolating tube is arranged at the heart of the transfusion heat conducting tube, the lower portion of the widemouthed section communicates to thelower portion of the heat-isolating tube, a spiral runner is arranged between the inner wall of the widemouthed section and the outer wall of the heat-isolating tube, and the volume of the cavity ofthe transfusion heat conducting tube is 2-4 times of that of the heat-isolating tube. Spiral fins and the spiral runner increase the heat exchange area, an insulating layer and the heat-isolating tubereduce heat diffusion, and the heat exchange efficiency of the hot dry rock heat exchange system is improved.

Description

technical field [0001] The invention belongs to the technical field of hot dry rock heat exchange, and in particular relates to a heat pipe type high-efficiency heat exchange device for hot dry rock. Background technique [0002] Hot dry rock is a clean and renewable geothermal resource. In the past 40 years, the utilization technology of hot dry rock has become more and more mature, showing great utilization value. my country has a vast land area and is located at the junction of three major plates, with a good background for the occurrence of hot dry rocks. Based on the analysis of terrestrial heat flow in my country's land area, thermal conductivity of rocks at different depths, rock heat generation rate, and the thickness of radioactive element concentration layers, the method of extrapolating to the deep crust based on the shallow temperature measurement data is used to analyze the land area of ​​my country. The temperature at different depths was estimated, and on this...

Claims

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Application Information

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IPC IPC(8): F24T10/30
CPCY02E10/10
Inventor 王盛昌
Owner 王盛昌
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