CN219454293U

CN219454293U - Geothermal energy utilization device

Info

Publication number: CN219454293U
Application number: CN202320832418.3U
Authority: CN
Inventors: 杨浩; 刘宝刚; 韩海波; 陈杨; 于群; 井江涛; 石磊
Original assignee: Xi'an Xincheng Renewable Energy Co ltd
Current assignee: Xi'an Xincheng Renewable Energy Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-08-01
Anticipated expiration: 2033-04-14

Abstract

The utility model provides a geothermal utilization device, which comprises a water supply branch pipe and a water return branch pipe, wherein the water supply branch pipe and the water return branch pipe are positioned in a deep well, one end positioned at the bottom of the well is connected to form a U-shaped structure, and the water supply branch pipe comprises a main water supply branch pipe and a rapid water supply branch pipe; the water inlet end of the main water supply branch pipe is positioned at the bottom of the well, the other end of the main water supply branch pipe is connected with a quick water supply branch pipe, and the main water supply branch pipe is provided with a booster pump; the rapid water supply branch pipe is of a Tesla valve structure, and one end of the rapid water supply branch pipe, which is far away from the main water supply branch pipe, is connected with downstream equipment. The utility model provides a set up the water supply branch pipe into main water supply branch pipe and quick water supply branch pipe two parts, increase the velocity of flow of water in the main water supply branch pipe through setting up the booster pump on main water supply branch pipe, quick water supply branch pipe is tesla valve mechanism, and after the hot water of main water supply branch pipe got into quick water supply branch pipe, through the velocity of flow that improves rivers, reduced hot water and reduced the heat loss through the time of quick water supply branch pipe.

Description

Geothermal energy utilization device

Technical Field

The utility model relates to the technical field of geothermal energy, in particular to a geothermal energy utilization device.

Background

The existing deep well geothermal exploitation adopts the U-shaped heat exchanger to perform underground heat exchange when the prefabricated U-shaped heat exchanger is buried in a deep well, but the defect of the mode is that heat transfer is easy to occur between a water supply branch pipe and a water return branch pipe of the U-shaped pipe, so that the heat exchange capacity of the buried pipe is affected, and especially when a plurality of U-shaped heat exchange pipes are simultaneously arranged in a deep well with smaller diameter, in order to overcome the defect, the authorized bulletin number is: in the utility model of CN214536895U, a partition wall is arranged between a water supply branch pipe and a water return branch pipe for blocking to solve the problem of heat transfer, but the scheme has the defects that the water supply branch pipe in a deep well is long in length, the water outlet pressure of the water guide water supply branch pipe is insufficient, the water outlet speed of hot water is low in the process of flowing out of a geothermal well, and the heat loss is large.

Disclosure of Invention

In view of this, this application provides a geothermal utilization device for solve the water supply branch pipe among the above-mentioned prior art and go out water velocity slowly at the in-process of flowing out geothermal well, lead to the problem that the heat loss is big, concretely speaking:

the geothermal utilization device comprises a water supply branch pipe and a return water branch pipe, wherein the water supply branch pipe and the return water branch pipe are positioned in a geothermal well, one ends of the water supply branch pipe and the return water branch pipe positioned at the bottom of the geothermal well are connected with each other to form a U-shaped structure, and the water supply branch pipe comprises a main water supply branch pipe and a quick water supply branch pipe;

the water inlet end of the main water supply branch pipe is connected with the water return branch pipe, and the other end of the main water supply branch pipe is connected with a quick water supply branch pipe;

the rapid water supply branch pipeline is of a Tesla valve structure, and a booster pump is arranged on the rapid water supply branch pipeline.

Preferably, the rapid water supply branch pipeline is provided with two rapid water supply branch pipelines;

the two rapid water supply branch pipelines are respectively connected with the water outlet ends of the main water supply branch pipelines;

the booster pump is installed on one of the rapid water supply branch pipes.

Preferably, electromagnetic valves are respectively arranged on the two rapid water supply branch pipelines;

the electromagnetic valve is positioned at one side of the water outlet of the booster pump.

Preferably, the water supply branch pipe and one end of the water return branch pipe, which is positioned at the bottom of the deep well, are spirally connected with each other.

Preferably, the rapid water supply branch pipeline is provided with an insulating layer.

Preferably, the length of the rapid water supply branch pipe is 20-25m.

Compared with the prior art, the beneficial effect of this application lies in:

in a geothermal well, as the heat of a water supply branch pipe is closer to the wellhead of a water intake well, the heat loss of hot water in the water supply branch pipe is more and more serious, the water supply branch pipe is arranged as a main water supply branch pipe and a quick water supply branch pipe in the geothermal well, the main water supply branch pipe is positioned at one end close to the bottom of the well, the quick water supply branch pipe is positioned at one end close to the wellhead, a booster pump is arranged on the main water supply branch pipe to increase the flow rate of water in the main water supply branch pipe, and after the hot water of the main water supply branch pipe enters the quick water supply branch pipe, the water in the main water supply branch pipe can quickly enter downstream equipment through the quick water supply branch pipe due to the unique acceleration performance of the Tesla valve structure, namely, the time of the hot water passing through the quick water supply branch pipe is shortened by improving the flow rate of the hot water passing through a pipeline, so that the heat loss is reduced;

by arranging two rapid water supply branch pipelines, the purpose that when one of the two rapid water supply branch pipelines fails or needs cleaning, the other rapid water supply branch pipeline can still be continuously used as a standby pipeline is achieved;

through set up the heat preservation outside the quick water supply branch pipe, further reduced the heat loss in the water supply branch pipe.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a geothermal energy utilizing device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a fast water supply branch pipe in a geothermal energy utilization device according to an embodiment of the present utility model;

wherein, 1-return branch pipe, 2-water supply branch pipe, 3-booster pump, 4-quick water supply branch pipe and 5-solenoid valve.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

The geothermal utilization device according to fig. 1-2 comprises a water supply branch pipe 2 and a water return branch pipe 1, wherein the water supply branch pipe 2 and the water return branch pipe 1 are positioned in geothermal heat, and one ends of the water supply branch pipe 2 positioned at the bottom of a geothermal well are connected with each other to form a U-shaped structure, and the geothermal utilization device is characterized in that the water supply branch pipe 2 comprises a main water supply branch pipe and a quick water supply branch pipe 4;

the water inlet end of the main water supply branch pipe is connected with the water return branch pipe 1, and the other end of the main water supply branch pipe is connected with a quick water supply branch pipe 4;

the rapid water supply branch pipeline 4 is of a Tesla valve structure, and the rapid water supply branch pipeline 4 is provided with a booster pump 3.

Further, the rapid water supply branch pipeline 4 is provided with two rapid water supply branch pipelines;

the two rapid water supply branch pipelines 4 are respectively connected to the water outlet ends of the main water supply branch pipelines;

the booster pump 3 is mounted on one of the rapid water supply branch pipes 4.

Further, electromagnetic valves 5 are respectively arranged on the two rapid water supply branch pipelines 4;

the electromagnetic valve 5 is positioned at the water outlet side of the booster pump 3.

Further, the water supply branch pipe 2 and one end of the water return branch pipe 1, which is positioned at the bottom of the deep well, are spirally connected with each other.

Further, an insulation layer is arranged outside the rapid water supply branch pipeline 4.

Further, the length of the rapid water supply branch pipe 4 is 20-25m.

In the application, when the water supply branch pipe 2 is connected with one end of the water return branch pipe 1, which is positioned at the bottom of a deep well, the water supply branch pipe 2 is connected with the water return branch pipe 1 to form a U-shaped structure which is conventional in the industry, as shown in figure 1;

in the application, the inlet ends of the two quick drainage pipelines 4 are respectively connected with the main water supply branch pipe through three-way connecting pieces, the inlet ends of the two quick drainage pipelines 4 are both inlet ends of a conventional Tesla valve structure, and the inlet ends of the Tesla valve structure are positioned below the outlet ends;

the installation mode of the electromagnetic valve 5 and the installation mode of the booster pump 3 are conventional installation modes;

the booster pump 3 in the present application may be any variable-frequency booster pump conventionally used in the industry that can realize its booster function; the electromagnetic valve 5 is an electromagnetic valve suitable for a geothermal well water supply branch pipeline in the industry;

in this application heat preservation cladding is connected in quick water supply branch pipe 4 outsides, and it has heat preservation cotton and heat preservation's radial dimension grow gradually along the length direction of back to the water intake well shaft bottom to fill in the heat preservation.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The geothermal utilization device comprises a water supply branch pipe (2) and a return water branch pipe (1), wherein the water supply branch pipe (2) and the return water branch pipe (1) are positioned in a geothermal well, and one ends of the water supply branch pipe and the return water branch pipe (1) positioned at the bottom of the geothermal well are connected with each other to form a U-shaped structure, and the geothermal utilization device is characterized in that the water supply branch pipe (2) comprises a main water supply branch pipe and a quick water supply branch pipe (4);

the water inlet end of the main water supply branch pipe is connected with the water return branch pipe (1), and the other end of the main water supply branch pipe is connected with a quick water supply branch pipe (4);

the rapid water supply branch pipeline (4) is of a Tesla valve structure, and a booster pump (3) is arranged on the rapid water supply branch pipeline (4).

2. A geothermal utilization device according to claim 1, characterized in that the rapid water supply branch pipe (4) is provided with two;

the two rapid water supply branch pipelines (4) are respectively connected to the water outlet ends of the main water supply branch pipelines;

the booster pump (3) is arranged on one rapid water supply branch pipeline (4).

3. A geothermal utilization device according to claim 2, wherein two of the rapid water supply branch pipes (4) are provided with solenoid valves (5) respectively;

the electromagnetic valve (5) is positioned at one side of the water outlet of the booster pump (3).

4. A geothermal utilization device according to claim 1, wherein the water supply branch pipe (2) and the water return branch pipe (1) are connected spirally to each other at one end of the well bottom.

5. Geothermal utilization device according to claim 1, characterized in that the rapid water supply branch pipe (4) is provided with a thermal insulation.

6. Geothermal utilization device according to claim 1, characterized in that the length of the rapid water supply branch pipe (4) is 20-25m.