Geothermal recycling device

Abstract

The utility model provides a geothermal recycling device, and mainly relates to the technical field of geothermal energy utilization. A terrestrial heat recycling device comprises a shell, a heat exchange cylinder is fixedly arranged at the bottom of the inner wall of the shell, a heat exchanger is fixedly arranged in the heat exchange cylinder, a circulating inlet pipe is fixedly arranged at the bottom of the shell and communicates with the bottom of the heat exchange cylinder, and a circulating outlet pipe is fixedly arranged at the bottom of the shell and communicates with the circulating inlet pipe. A steam pipe is fixedly arranged on the outer ring of the shell close to the top. The geothermal energy direct heat supply device has the advantages that after the geothermal energy direct heat supply device is installed, geothermal energy direct heat supply can be better carried out, people can better carry out geothermal energy direct heat supply, geothermal energy can be better utilized, and therefore the efficiency of geothermal energy direct heat supply is improved; geothermal water is preheated through the S-shaped coil pipe before heat exchange in the heat exchange pipe, so that the heat exchange efficiency is improved.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of geothermal energy utilization, and specifically is a geothermal circulation utilization device. Background Art

[0002] Geothermal resources are renewable resources, and can be comprehensively recycled at the same time. They have the characteristics of pollution-free, convenient development and utilization (direct utilization), high development value, etc., and have important significance for improving the urban grade, improving the urban environment, adjusting the energy structure and improving people's living conditions.

[0003] The way of geothermal water entering the heating system can be divided into direct heating and indirect heating. Direct heating means directly introducing the geothermal flow into the heating system. Existing geothermal energy heat exchange equipment has cumbersome operations and cannot make better use of geothermal energy, resulting in low heating efficiency and thus unable to better meet people's usage requirements. Therefore, this application provides a geothermal circulation utilization device to solve the above problems. Summary of the Utility Model

[0004] To achieve the above object, the utility model is realized through the following technical solutions:

[0005] A geothermal circulation utilization device includes a housing. At the bottom of the inner wall of the housing, a heat exchange cylinder is fixedly arranged. Inside the heat exchange cylinder, a heat exchanger is fixedly arranged. At the bottom of the housing, a circulation inlet pipe is fixedly arranged, and the circulation inlet pipe is communicated with the bottom of the heat exchange cylinder. At the bottom of the housing, a circulation outlet pipe is fixedly arranged. Near the top of the outer circle of the housing, a steam pipe is fixedly arranged.

[0006] The heat exchange cylinder is composed of an inner cylinder and an outer cylinder, and there is a gap between the top of the outer cylinder and the top of the inner cylinder.

[0007] The heat exchanger includes an S-shaped coil pipe and a heat exchange pipe. The S-shaped coil pipe is communicated with the top of the heat exchange pipe. The S-shaped coil pipe is located between the inner cylinder and the outer cylinder, and the heat exchange pipe is located inside the heat exchange cylinder.

[0008] At the bottom of the S-shaped coil pipe, a water inlet pipe is fixedly arranged, and the water inlet pipe passes through the outer cylinder and the housing. At the bottom of the heat exchange pipe, a water outlet pipe is fixedly arranged, and the water outlet pipe passes through the inner cylinder, the outer cylinder and the housing.

[0009] Heat conducting fins are fixedly arranged in an array on the outer circle of the heat exchange pipe.

[0010] Support rods are fixedly arranged in an array at the bottom of the heat exchange cylinder, and the bottoms of the support rods are fixedly connected with the bottom of the inner wall of the housing.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The structure of the utility model is simple and convenient for installation and use. After installation, it can better conduct direct geothermal heating, enabling people to better carry out direct geothermal heating, facilitating better utilization of geothermal energy, and thus improving the efficiency of direct geothermal heating; before the geothermal water exchanges heat in the heat exchange tube, it is preheated through the S-shaped coil, which is beneficial to improving the heat exchange efficiency. Brief Description of the Drawings

[0013] Attached Figure 1 is a schematic diagram of the internal structure of the utility model;

[0014] Attached Figure 2 is a schematic diagram of the heat exchanger of the utility model.

[0015] Reference numerals shown in the drawings: 1, housing; 2, heat exchange cylinder; 201, inner cylinder; 202, outer cylinder; 3, heat exchanger; 301, S-shaped coil; 302, heat exchange tube; 303, heat conduction fin; 304, water inlet pipe; 305, water outlet pipe; 4, circulating inlet pipe; 5, circulating outlet pipe; 6, steam pipe. Detailed Description of the Preferred Embodiments

[0016] In combination with the drawings and specific embodiments, the present utility model will be further described. It should be understood that these embodiments are only used to illustrate the present utility model and not to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the present utility model, those skilled in the art can make various changes or modifications to the present utility model, and these equivalent forms also fall within the scope defined by this application.

[0017] In combination with the drawings, a geothermal circulation utilization device includes a housing 1. The bottom of the inner wall of the housing 1 is fixedly provided with a heat exchange cylinder 2. The heat exchanger 3 is fixedly arranged inside the heat exchange cylinder 2. The bottom of the housing 1 is fixedly provided with a circulating inlet pipe 4, and the circulating inlet pipe 4 communicates with the bottom of the heat exchange cylinder 2. The bottom of the housing 1 is fixedly provided with a circulating outlet pipe 5. A steam pipe 6 is fixedly arranged near the top of the outer circle of the housing 1. Through this structural design, the generated high-temperature steam is transferred to other external heat exchange devices.

[0018] The heat exchange cylinder 2 is composed of an inner cylinder 201 and an outer cylinder 202. The top of the outer cylinder 202 is spaced from the top of the inner cylinder 201. The geothermal water source enters the inner cylinder 201 through the circulating inlet pipe 4. Through this structural design, the geothermal water in the inner cylinder 201 overflows into the outer cylinder 202.

[0019] The heat exchanger 3 includes an S-shaped coil 301 and heat exchange tubes 302. The S-shaped coil 301 is communicated with the top of the heat exchange tubes 302. The S-shaped coil 301 abuts against the outer ring of the inner cylinder 201. Through this structural design, the contact area between the heat exchange medium and the geothermal water in the outer cylinder 202 is increased during the flow process, and the heat exchange medium in the S-shaped coil 301 is preheated, thereby improving the heat exchange efficiency. The heat exchange tubes 302 are located inside the heat exchange tubes 302.

[0020] A water inlet pipe 304 is fixedly arranged at the bottom of the S-shaped coil 301. The water inlet pipe 304 passes through the outer cylinder 202 and the housing 1. A water outlet pipe 305 is fixedly arranged at the bottom of the heat exchange tubes 302. The water outlet pipe 305 passes through the inner cylinder 201, the outer cylinder 202 and the housing 1. The water outlet pipe 305 is connected to an external heat-using device.

[0021] Heat conduction fins 303 are fixedly arranged in an array on the outer ring of the heat exchange tubes 302. Through this structural design, the heat exchange area is increased and the heat conduction efficiency is improved.

[0022] Support rods are fixedly arranged in an array at the bottom of the heat exchange cylinder 2. The bottoms of the support rods are fixedly connected to the bottom of the inner wall of the housing 1. Through this structural design, the heat exchange cylinder 2 is fixed.

[0023] When the device is in use, the medium-deep geothermal water source is pumped into the interior of the inner cylinder 201, and after continuous water storage, it overflows into the outer cylinder 202; the heat exchange medium enters the interior of the S-shaped coil 301 through the water inlet pipe 304, and the geothermal water overflowing into the outer cylinder 202 preheats the S-shaped coil 301. After the geothermal water enters the heat exchange tubes 302, heat exchange is carried out with the high-temperature geothermal water in the inner cylinder 201 through the heat conduction fins 303; after heat exchange, the geothermal water overflows into the housing 1 and then flows out through the circulating outlet pipe 5 for backfilling.

[0024] After injecting the geothermal water, due to the high temperature of the geothermal water, a large amount of steam will be generated. The steam enters an external heat exchange device through the steam pipe 6, so as to make better use of geothermal energy, thereby improving the efficiency of direct geothermal energy heating.

[0025] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A geothermal circulation device, comprising a housing (1), characterized in that: A heat exchange tube (2) is fixedly arranged at the bottom of the inner wall of the shell (1), a heat exchanger (3) is fixedly arranged inside the heat exchange tube (2), a circulation inlet pipe (4) is fixedly arranged at the bottom of the shell (1), the circulation inlet pipe (4) is connected to the bottom of the heat exchange tube (2), a circulation outlet pipe (5) is fixedly arranged at the bottom of the shell (1), and a steam pipe (6) is fixedly arranged near the top of the outer ring of the shell (1).

2. A geothermal circulation device according to claim 1, characterized in that: The heat exchange cylinder (2) is composed of an inner cylinder (201) and an outer cylinder (202), and the top of the outer cylinder (202) is spaced apart from the top of the inner cylinder (201).

3. A geothermal circulation device according to claim 2, characterized in that: The heat exchanger (3) comprises an S-shaped coil (301) and a heat exchange tube (302); the S-shaped coil (301) is connected to the top of the heat exchange tube (302); the S-shaped coil (301) is located between the inner tube (201) and the outer tube (202); and the heat exchange tube (302) is located inside the heat exchange tube (302).

4. A geothermal circulation device according to claim 3, characterized in that: A water inlet pipe (304) is fixedly arranged at the bottom of the S-shaped coil (301), and the water inlet pipe (304) passes through the outer tube (202) and the shell (1); a water outlet pipe (305) is fixedly arranged at the bottom of the heat exchange tube (302), and the water outlet pipe (305) passes through the inner tube (201), the outer tube (202), and the shell (1).

5. A geothermal circulation utilization device according to claim 4, characterized in that: The outer ring array of the heat exchange tube (302) is fixedly provided with heat conducting fins (303).

6. A geothermal circulation device according to claim 1, characterized in that: The bottom array of the heat exchange cylinder (2) is fixedly provided with support rods, and the bottom of the support rods is fixedly connected to the bottom of the inner wall of the shell (1).

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