CN221099448U

CN221099448U - Closed middle-deep geothermal energy metal heat exchanger

Info

Publication number: CN221099448U
Application number: CN202323096524.9U
Authority: CN
Inventors: 杜兴亮; 任勇
Original assignee: Shaanxi Sixin New Energy Technology Co ltd
Current assignee: Shaanxi Sixin New Energy Technology Co ltd
Priority date: 2023-11-16
Filing date: 2023-11-16
Publication date: 2024-06-07
Anticipated expiration: 2033-11-16

Abstract

The utility model relates to the technical field of geothermal energy utilization, in particular to a closed medium-deep geothermal energy metal heat exchanger which comprises a base, wherein a pipe box is fixedly connected to the top of the base, a fluid pipe is fixedly connected to one side of the pipe box, a flange is fixedly connected to one side of the pipe box, a sealing gasket is fixedly connected to one side of the flange, a nut is arranged in the middle of the flange, a threaded groove is fixedly connected to the inner side of the flange, a sealing gasket is fixedly connected to the bottom of the threaded groove, a threaded pipe is connected to the middle thread of the threaded groove, and a flange is fixedly connected to the top of the threaded pipe. The design that the bottom of flange has screw thread recess and screwed pipe for the both ends of flange can be in the same place through threaded connection, and the inboard and the outside of flange all have sealed the pad, strengthen the leakproofness of heat exchanger, prevent the discharge of steam, improve the performance of heat exchanger.

Description

Closed middle-deep geothermal energy metal heat exchanger

Technical Field

The utility model relates to the technical field of geothermal energy utilization, in particular to a closed medium-deep geothermal energy metal heat exchanger.

Background

The medium-deep geothermal energy metal heat exchanger is one kind of equipment for extracting medium-deep geothermal energy. It is to drill holes into the depth of 2000 to 3000 m underground by a drilling machine, and install a closed metal sleeve heat exchanger in the drill holes. The heat exchanger utilizes underground heat energy to conduct out the underground heat energy and supplies the heat energy to the ground building through the ground heat pump unit and the transmission and distribution system. The technology realizes clean and efficient interference-free conduction of the earth nuclear heat, so that coal, natural gas or other fossil fuels are not required to be burnt in the heat supply process, and groundwater is not required to be extracted.

This well deep geothermal energy metal heat exchanger, the bottom of flange has the design of screw thread recess and screwed pipe for the both ends of flange can be in the same place through threaded connection, and the inboard and the outside of flange all have sealed the pad, strengthen the leakproofness of heat exchanger, prevent the discharge of steam, improve the performance of heat exchanger.

The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: 1. the existing geothermal energy metal heat exchanger is characterized in that pipelines at two ends are connected through flanges, and then screws are screwed on to finish butt joint between the pipelines, so that hot gas is easy to dissipate from gaps between the flanges, and the heat transfer effect of the heat exchanger is affected; 2. the prior geothermal energy metal heat exchanger has no sealing gasket between the inside of the flange and the outside of the interface connection of the flange, so that the sealing between the inside and the outside of the flange cannot be realized, hot gas is easy to be dispersed from the inside of the shell, and the heat exchange effect of the heat exchanger is affected.

Disclosure of utility model

The utility model aims to provide a closed medium-deep geothermal energy metal heat exchanger so as to solve the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a closed well deep geothermal energy metal heat exchanger, includes the base, the top fixedly connected with pipe case of base, one side fixedly connected with fluid pipe of pipe case, the equal fixedly connected with flange in both ends of pipe case, the outside laminating of flange has sealed pad, the internally mounted of flange has the nut, the inboard of flange is equipped with the screw thread recess, the bottom laminating of screw thread recess has sealed pad, the middle grafting of screw thread recess has the screwed pipe, the top fixedly connected with flange of screwed pipe, the top fixedly connected with casing of flange, the inside of casing is embedded to have the baffling board, the middle grafting of baffling board has the heat transfer pipe, one side fixedly connected with fluid pipe of casing.

Further preferably, the flange and the housing form a unitary structure.

Further preferably, the flange forms a sealing structure through cooperation among the threaded groove, the threaded pipe and the sealing gasket.

Further preferably, the central axis of the flange coincides with the central axis of the sealing gasket.

Further preferably, the external dimension of the threaded pipe corresponds to the internal dimension of the threaded groove.

Further preferably, the baffles are equidistantly and alternately distributed.

Compared with the prior art, the utility model has the beneficial effects that:

in the utility model, the flange and the shell form an integrated structure; the flange and the shell form an integrated structure, so that two ends can be butted, the hot gas can be effectively prevented from being dispersed, and the performance of the heat exchanger is improved; the sizes of the threaded pipe and the threaded groove are consistent; the thread pipe and the thread groove are consistent in size, so that the thread pipe can be clamped in the thread groove, and the sealing effect is enhanced.

In the utility model, the flange forms a sealing structure through the matching among the thread groove, the thread pipe and the sealing gasket; the flange can connect two ends of the flange together through the clamping of the threaded groove and the threaded pipe, and the inner side of the flange is provided with a sealing gasket, so that the sealing effect of the heat exchanger is enhanced; the central axes between the flange and the sealing gasket are overlapped; the sealing gasket covers the gaps of the flanges at the two sides to prevent the hot air in the heat exchanger shell from being dispersed, thereby playing a role in sealing; the baffle plates are equidistantly and alternately distributed, and the heat transfer tubes pass through the baffle plates; the baffle plates are distributed in an equidistant and staggered way, so that the heat transfer pipe plays a role in heat transfer and also plays a role in supporting and positioning the heat transfer pipe.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic view of the interior of the housing of the present utility model;

FIG. 3 is a schematic view of a flange part enlarged structure of the present utility model;

fig. 4 is a schematic view of a partially enlarged structure of the inside of the housing of the present utility model.

In the figure: 1. a base; 2. a flange; 3. a sealing gasket; 4. a nut; 5. a housing; 6. a fluid pipe; 7. a tube box; 8. a baffle plate; 9. a heat transfer tube; 10. a threaded tube; 11. a thread groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a closed middle and deep geothermal energy metal heat exchanger, including base 1, the top fixedly connected with pipe case 7 of base 1, one side fixedly connected with fluid pipe 6 of pipe case 7, the equal fixedly connected with flange 2 in both ends of pipe case 7, the outside laminating of flange 2 has sealed pad 3, the internally mounted of flange 2 has nut 4, the inboard of flange 2 is equipped with screw thread recess 11, the laminating of the bottom of screw thread recess 11 has sealed pad 3, the middle grafting of screw thread recess 11 has screw thread pipe 10, the top fixedly connected with flange 2 of screw thread pipe 10, the top fixedly connected with casing 5 of flange 2, the inside of casing 5 is embedded to have baffle 8, the middle grafting of baffle 8 has heat transfer pipe 9, one side fixedly connected with fluid pipe 6 of casing 5.

In this embodiment, as shown in fig. 3 and 4, the flange 2 and the housing 5 form an integral structure; the flange 2 and the shell 5 form an integrated structure, so that two ends can be butted, the hot gas is effectively prevented from being dispersed, and the performance of the heat exchanger is improved.

In this embodiment, as shown in fig. 3 and 4, the flange 2 forms a sealing structure by the cooperation between the screw groove 11, the screw pipe 10 and the gasket 3; the flange 2 can be connected with the two ends of the flange 2 through the clamping of the threaded groove 11 and the threaded pipe 10, and the inner side of the flange 2 is provided with the sealing gasket 3, so that the sealing effect of the heat exchanger is enhanced.

In this embodiment, as shown in fig. 3 and 4, the central axis of the flange 2 coincides with the central axis of the gasket 3; the sealing gasket 3 covers the gaps of the flanges 2 at the two sides, prevents hot air in the heat exchanger shell from being dispersed, and plays a role in sealing.

In the present embodiment, as shown in fig. 3, the external dimensional structure of the threaded pipe 10 coincides with the internal dimensional structure of the threaded groove 11; the thread pipe 10 and the thread groove 11 have the same size, so that the thread pipe 10 can be clamped in the thread groove 11, and the sealing effect is enhanced.

In this embodiment, as shown in fig. 2, the baffles 8 are equidistantly and alternately distributed; the baffle plates 8 are equidistantly and alternately distributed, so that the heat transfer pipe 9 plays a role in heat transfer, and simultaneously plays a role in supporting and positioning the heat transfer pipe 9.

The application method and the advantages of the utility model are as follows: the closed middle-deep geothermal energy metal heat exchanger has the following working process when in use:

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the design that the bottom of the flange is provided with the threaded groove 11 and the threaded pipe 10 at first makes the two ends of the flange 2 be connected together through threads, the inner side and the outer side of the flange 2 are both provided with the sealing gasket 3, the tightness of the heat exchanger is enhanced, the discharge of hot gas is prevented, the performance of the heat exchanger is improved, and people can finish the butt joint between the heat exchanger pipelines by clamping one end flange 2 with the threaded groove 11 with one end flange 2 with the threaded pipe 10.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a closed middle and deep geothermal energy metal heat exchanger, includes base (1), its characterized in that: the utility model discloses a heat transfer device, including base (1), flange (2), screw groove (11) and flange (2) are fixedly connected with in the top of base (1), one side fixedly connected with pipe (6) of pipe (7), the equal fixedly connected with flange (2) in both ends of pipe (7), the outside laminating of flange (2) has sealed pad (3), the internally mounted of flange (2) has nut (4), the inboard of flange (2) is equipped with screw groove (11), the laminating of the bottom of screw groove (11) has sealed pad (3), peg graft in the centre of screw groove (11) has screwed pipe (10), the top fixedly connected with flange (2) of screwed pipe (10), the top fixedly connected with casing (5) of flange (2), the inside of casing (5) is embedded to have baffling board (8), peg graft in the centre of baffling board (8) has heat transfer pipe (9), one side fixedly connected with pipe (6) of casing (5).

2. The closed medium-deep geothermal energy metal heat exchanger of claim 1, wherein: the flange (2) and the shell (5) form an integrated structure.

3. The closed medium-deep geothermal energy metal heat exchanger of claim 1, wherein: the flange (2) forms a sealing structure through the cooperation among the threaded groove (11), the threaded pipe (10) and the sealing gasket (3).

4. The closed medium-deep geothermal energy metal heat exchanger of claim 1, wherein: the central axis of the flange (2) is coincided with the central axis of the sealing gasket (3).

5. The closed medium-deep geothermal energy metal heat exchanger of claim 1, wherein: the external dimension of the threaded pipe (10) is consistent with the internal dimension of the threaded groove (11).

6. The closed medium-deep geothermal energy metal heat exchanger of claim 1, wherein: the baffle plates (8) are equidistantly and alternately distributed.