CN217031639U

CN217031639U - Double-tube sleeve type heat exchange device used in geothermal well

Info

Publication number: CN217031639U
Application number: CN202220522352.3U
Authority: CN
Inventors: 鄂荣远; 王付磊
Original assignee: Jiaotong University Re Chao New Energy Technology Henan Co ltd
Current assignee: Jiaotong University Re Chao New Energy Technology Henan Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-07-22
Anticipated expiration: 2032-03-10

Abstract

The utility model discloses a double-pipe sleeve type heat exchange device used in a geothermal well, which comprises an outer pipe and an inner pipe embedded in the outer pipe, wherein a connecting frame which is distributed annularly is fixedly arranged between the inner pipe and the outer pipe, an air diffusing port is formed in the outer pipe, the opening direction of the air diffusing port faces to the upper oblique direction, a square frame plate is fixedly arranged at the outer end of the outer pipe, a lantern ring is arranged above the square frame plate, a support is fixedly arranged between the lantern ring and the outer pipe, and a part for controlling the external opening of the air diffusing port to be in a negative pressure state is arranged in the lantern ring. According to the utility model, the rotation of the toothed ring is controlled, so that the air flow rate outside the outer pipe is accelerated, the outer opening of the air diffusing port is in a negative pressure state, and water vapor between the outer pipe and the inner pipe is sucked out of the outer pipe through the air diffusing port in time, so that the resistance of water flow brought by the rising of the water vapor is effectively reduced, the purpose of improving the efficiency of downward pumping of the water pump of the outer pipe is achieved, and the heat exchange efficiency of the water flow is improved.

Description

Double-pipe sleeve type heat exchange device used in geothermal well

Technical Field

The utility model relates to the technical field of geothermal well heat exchange equipment, in particular to a double-pipe sleeve type heat exchange device used in a geothermal well.

Background

A geothermal well refers to a method and a device for generating electricity by using geothermal energy with the well depth of about 3500 meters or hot spring water with the water temperature of more than 30 ℃, and the geothermal energy is divided into three types of high temperature, medium temperature and low temperature.

When the water medium is pumped to the well depth from the ground by the water pump, the deeper the geothermal well, the higher the temperature of the geothermal well, in the process that the water medium flows at the well depth, a large amount of water can form water vapor under a high-temperature environment, the direction of the water vapor is opposite to the direction of the water medium, the downward conveying of the water medium is influenced, and therefore the resistance of the outer pipe water pump to the geothermal well for pumping water is increased, and the heat exchange efficiency of water flow is influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems, the double-tube sleeve type heat exchange device for the geothermal well is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a double-barrelled shell type heat transfer device for in geothermol power well, includes the outer tube and inlays the inside inner tube of establishing at the outer tube, set firmly the linking frame that is the annular distribution between inner tube and the outer tube, the inside of outer tube is formed with the gas mouth that looses, the opening direction of gas mouth upwards to one side, and the outer end of outer tube has set firmly square frame plate, the top of square frame plate is provided with the lantern ring, the support has set firmly between lantern ring and the outer tube, the outside opening that the inside of the lantern ring has the gas mouth that looses of control is the part of negative pressure state.

Preferably, the part for controlling the external opening of the air diffuser to be in a negative pressure state is a toothed ring rotatably arranged on the square frame plate and an assembly for driving the toothed ring to rotate, and the toothed ring is sleeved outside the outer pipe and is rotatably arranged with the outer pipe.

Preferably, a plurality of annular blades distributed annularly are fixedly arranged at the upper end of the toothed ring.

Preferably, a plurality of air inlets distributed in an annular shape are formed in the lantern ring, and the air inlets are distributed on the outer side of the air exhaust blade.

Preferably, the component for driving the toothed ring to rotate is a vertical plate fixedly arranged on the square frame plate, a worm is rotatably arranged on the inner side of the vertical plate and meshed with the toothed ring, and a driving motor for controlling the worm to rotate is mounted at the outer end of the vertical plate.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. this application is through being equipped with the ring gear on square frame plate, be equipped with the blade of airing exhaust on the ring gear, be equipped with the gas port that looses in the outer tube, the control ring gear rotates, make the outside air velocity of outer tube accelerate, the outer opening department of gas port that looses is negative pressure state, be located the vapor between outer tube and the inner tube, the outside by the suction outer tube through the gas port that looses in time, thereby effectively reduce the resistance that the vapor rises and take the rivers, reach the purpose that improves outer tube water pump down pump water efficiency, the heat exchange efficiency of improvement rivers.

2. This application is through being equipped with the riser on square frame plate, is equipped with driving motor and worm on the riser, starts driving motor and drives the worm and rotate, and the worm will drive the ring gear rather than the meshing setting at the pivoted in-process and rotate, reaches the control ring gear and drives the quick pivoted purpose of the blade of airing exhaust.

Drawings

FIG. 1 illustrates a perspective view provided in accordance with an embodiment of the present invention;

FIG. 2 illustrates a top view provided in accordance with an embodiment of the present invention;

FIG. 3 illustrates a schematic diagram of the internal structure of a collar provided in accordance with an embodiment of the present invention;

FIG. 4 illustrates a cross-sectional view provided in accordance with an embodiment of the present invention.

Illustration of the drawings:

1. an outer tube; 101. an air diffuser; 2. an inner tube; 3. a linking frame; 4. a collar; 401. an air inlet; 5. a support; 6. a square frame plate; 7. a toothed ring; 8. an air exhaust blade; 9. a vertical plate; 10. a worm; 11. the motor is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a double-tube sleeve type heat exchange device used in a geothermal well comprises an outer tube 1 and an inner tube 2 embedded in the outer tube 1, a connecting frame 3 distributed in an annular shape is fixedly arranged between the inner tube 2 and the outer tube 1, an air diffusing port 101 is formed in the outer tube 1, the opening direction of the air diffusing port 101 faces obliquely upwards, a square frame plate 6 is fixedly arranged at the outer end of the outer tube 1, a lantern ring 4 is arranged above the square frame plate 6, a support 5 is fixedly arranged between the lantern ring 4 and the outer tube 1, a part for controlling the external opening of the air diffusing port 101 to be in a negative pressure state is arranged in the lantern ring 4, when water flowing downwards flows to the deep part of the heat exchange well, the water can form water vapor in a high-temperature environment, the toothed ring 7 is controlled to rotate, the air flow rate outside the outer tube 1 is accelerated, the external opening of the air diffusing port 101 is in a negative pressure state at the moment, the water vapor between the outer tube 1 and the inner tube 2 is sucked out of the outer tube 1 through the air diffusing port 101 in time, thereby effectively reducing the resistance of the water vapor rising to bring water flow, achieving the purpose of improving the efficiency of downward pumping of the water pump of the outer pipe 1 and improving the heat exchange efficiency of the water flow.

Specifically, as shown in fig. 2-4, the component for controlling the external opening of the diffuser 101 to be in a negative pressure state is a component which is rotatably disposed on the rack plate 6 and drives the gear ring 7 to rotate, the gear ring 7 is sleeved outside the outer tube 1 and rotatably disposed with the outer tube 1, a plurality of annular blades which are annularly disposed are fixedly disposed at the upper end of the gear ring 7, a plurality of air inlets 401 which are annularly disposed inside the sleeve ring 4 are disposed, the air inlets 401 are disposed outside the exhaust blades 8, the gear ring 7 is controlled to rotate, the exhaust blades 8 fixed on the gear ring 7 rotate circularly along the outer end surface of the outer tube 1, and therefore the purpose of accelerating the external air flow rate of the outer tube 1 is achieved.

Specifically, as shown in fig. 1 and 2, the component for driving the gear ring 7 to rotate is a vertical plate 9 fixedly arranged on the square frame plate 6, a worm 10 is rotatably arranged on the inner side of the vertical plate 9, the worm 10 is meshed with the gear ring 7, a driving motor 11 for controlling the rotation of the worm 10 is arranged at the outer end of the vertical plate 9, the driving motor 11 is started to drive the worm 10 to rotate, and the worm 10 drives the gear ring 7 meshed with the worm 10 to rotate in the rotating process, so as to control the rotation of the gear ring 7.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a double-barrelled shell type heat transfer device for in geothermol power well, includes outer tube (1) and inlays establishes inner tube (2) in outer tube (1) inside, its characterized in that, link up frame (3) that are the annular and distribute has set firmly between inner tube (2) and outer tube (1), the inside of outer tube (1) is formed with scattered gas port (101), the opening direction of scattered gas port (101) is towards oblique top, and the outer end of outer tube (1) has set firmly square frame plate (6), the top of square frame plate (6) is provided with lantern ring (4), support (5) have set firmly between lantern ring (4) and outer tube (1), the outside opening that the inside of lantern ring (4) has scattered gas port of control (101) is the part of negative pressure state.

2. The double-tube shell type heat exchange device for the geothermal well in the claim 1, characterized in that the part controlling the external opening of the air diffuser (101) to be in the negative pressure state is a toothed ring (7) rotatably arranged on the square frame plate (6) and an assembly driving the toothed ring (7) to rotate, and the toothed ring (7) is sleeved outside the outer tube (1) and rotatably arranged with the outer tube (1).

3. The double-tube shell type heat exchange device used in a geothermal well according to claim 2, characterized in that a plurality of annular blades are fixed at the upper end of the toothed ring (7) and distributed annularly.

4. The double-pipe sleeve type heat exchange device used in a geothermal well is characterized in that a plurality of air inlets (401) are annularly distributed in the sleeve ring (4), and the air inlets (401) are distributed on the outer side of the exhaust blades (8).

5. The double-tube shell type heat exchange device for the geothermal well in the claim 2, characterized in that the component driving the rotation of the toothed ring (7) is a vertical plate (9) fixed on the square frame plate (6), the inner side of the vertical plate (9) is rotatably provided with a worm (10), the worm (10) is meshed with the toothed ring (7), and the outer end of the vertical plate (9) is provided with a driving motor (11) controlling the rotation of the worm (10).