A medium-deep geothermal heat exchanger

Abstract

The utility model provides a medium-deep geothermal heat exchanger, which relates to the technical field of heat exchangers. The utility model comprises a heat exchange tube, a stabilizing device and a fixing device. A connecting tube is fixedly connected to the surface of one end of the heat exchange tube, and a connecting tube is fixedly connected to the surface of the connecting tube. The stabilizing device is installed on the arc surface of the heat exchange tube with the help of the fixing device. The stabilizing device comprises a mounting ring, which is arranged on the arc surface of the heat exchange tube. The surrounding surfaces of the mounting ring are respectively fixedly connected with a rotating shaft, and a stabilizing plate is rotatably connected to the arc surface of the rotating shaft. A card block is clamped on the inner wall of one side of the stabilizing plate. The utility model solves the problem in the prior art that when a geothermal heat exchanger is buried underground for a long time, the soil at the installation position will be invaded by substances such as rainwater, thereby causing the soil to loosen and soften, thereby causing the heat exchanger to tilt and deviate, which will affect the stability of the normal use of the heat exchanger.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a medium-deep geothermal heat exchanger. Background Art

[0002] The mid-deep geothermal heat exchanger is an energy conversion device that utilizes underground geothermal energy. The heat exchanger is placed below the static water level or in hot dry rock without underground aquifers, and heat extraction from mid-deep geothermal water is achieved by heat conduction.

[0003] When using a traditional geothermal heat exchanger, first determine the installation location, then use the corresponding equipment to dig the burial location, then bury the geothermal heat exchanger underground, connect the heat exchange pipe to the connecting pipe on the geothermal heat exchanger, and finally backfill the soil. However, it is found in actual use that when the geothermal heat exchanger is buried underground for a long time, the soil at the installation location will be invaded by rainwater and other substances, causing the soil to loosen and soften, which in turn causes the heat exchanger to tilt and shift, affecting the stability of the normal use of the heat exchanger. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that when a geothermal heat exchanger is buried underground for a long time, the soil at the installation location may be invaded by rainwater and other substances, which may cause the soil to loosen and soften, thereby causing the heat exchanger to tilt and deviate, affecting the stability of the heat exchanger in normal use, and a medium-deep geothermal heat exchanger is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a medium-deep geothermal heat exchanger, comprising a heat exchange tube, a stabilizing device and a fixing device, wherein a connecting tube is fixedly connected to the surface of one end of the heat exchange tube, a connecting tube is fixedly connected to the surface of the connecting tube, the stabilizing device is installed on the arc surface of the heat exchange tube with the aid of the fixing device, the stabilizing device comprises a mounting ring, the mounting ring is arranged on the arc surface of the heat exchange tube, the surrounding surfaces of the mounting ring are respectively fixedly connected to rotating shafts, a stabilizing plate is rotatably connected to the arc surface of the rotating shaft, a clamping block is clamped on the inner wall of one side of the stabilizing plate, and the clamping block is fixedly connected to the surface of the heat exchange tube.

[0006] The effect achieved by the above-mentioned components is that when the heat exchanger is in use, it can be set more stably in the underground layer, and it is not easy for the heat exchange tube to be offset and tilted due to the looseness of the soil and the invasion of rain and moisture, which improves the stability of the heat exchange tube, thereby further improving the use effect of the heat exchanger and making better use of geothermal energy.

[0007] Preferably, a spring is fixedly connected to a surface of one side of the stabilizing plate, and an assembly plate is fixedly connected to the other end of the spring, and the assembly plate is fixedly connected to the surface of the mounting ring.

[0008] The effect achieved by the above components is that, through the setting of the spring, the stabilizing plate can be rotated and connected to the surface of the clamping block under the force of the spring when in use, thereby improving the convenience of stable use.

[0009] Preferably, a bolt is threadedly connected through one side surface of the stabilizing plate, the bolt is threadedly connected to the surface of the clamping block, and an operating block is fixedly connected to the surface of the bolt.

[0010] The effect achieved by the above components is: through the setting of the bolts, the connection between the block and the stabilizing plate is made more stable, so that the stabilizing plate is better set on one side of the heat exchange tube, thereby providing a stable supporting effect for the heat exchange tube.

[0011] Preferably, a plurality of evenly distributed protrusions are fixedly connected to one side surface of the stabilizing plate, and the cross-sections of the plurality of protrusions are conical.

[0012] The effect achieved by the above components is that, through the arrangement of the protrusions, the stabilizing plate and the soil are better maintained in a stable connection relationship, thereby further improving the use effect of the stabilizing device.

[0013] Preferably, a mounting groove is provided on one side surface of the stabilizing plate, and a side plate is clamped on an inner wall of the mounting groove.

[0014] The effects achieved by the above components are: through the provision of the side plates, the heat exchange tubes are made more stable when buried, and are less likely to undergo abnormal deflection, thereby improving the use stability of the heat exchange tubes.

[0015] Preferably, a reinforcement groove is provided on one side surface of the stabilizing plate, and a reinforcement ring is clamped on the inner wall of the reinforcement groove.

[0016] The effect achieved by the above components is: through the arrangement of the reinforcement groove and the reinforcement ring, the stabilizing plate around the installation ring can be more stable, so that the heat exchange tube can be more stably arranged and used.

[0017] Preferably, the fixing device includes two assembly frames, the two assembly frames are respectively fixedly connected to the arc surface of the heat exchange tube, the inner walls of the two assembly frames are respectively clamped with assembly blocks, the assembly blocks are fixedly connected to the surface of the mounting ring, screws are inserted through the surface of the assembly blocks, and the screws are threadedly connected to the inner wall of the assembly frame.

[0018] The effect achieved by the above components is that the stabilizing device is more convenient to use, so that the heat exchanger can be better used to utilize geothermal energy, thereby improving the use effect of the heat exchanger.

[0019] Preferably, both sides of the inner walls of the two assembly frames are provided with card slots respectively, the inner walls of the card slots are card-connected with card plates, and the screws are inserted through the surface of the card plates.

[0020] The effects achieved by the above components are: through the arrangement of the clamping plate, the connection between the assembly block and the assembly frame is made more stable, so that the use of the stabilizing device is made more stable, and the use effect of the fixing device is improved.

[0021] Compared with the prior art, the advantages and positive effects of the utility model are:

[0022] In the utility model, when the heat exchanger is in use, it can be set more stably in the underground layer, and the heat exchange tube is not easily offset and tilted due to the soft soil and the invasion of rain and moisture, which improves the stability of the heat exchange tube, thereby further improving the use effect of the heat exchanger and better utilizing geothermal energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the three-dimensional structure of this application;

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the stabilizing device of the present application;

[0025] Figure 3 For this application Figure 2 A schematic diagram of the side three-dimensional structure;

[0026] Figure 4 This is a schematic diagram of the three-dimensional structure of the fixing device of this application.

[0027] Legend: 1. Heat exchange tube; 2. Connecting tube; 3. Connecting tube; 4. Stabilizing device; 41. Mounting ring; 42. Rotating shaft; 43. Stabilizing plate; 44. Block; 45. Bolt; 46. Operating block; 47. Bump; 48. Mounting groove; 49. Side plate; 410. Assembly plate; 411. Spring; 412. Reinforcement groove; 413. Reinforcement ring; 5. Fixing device; 51. Assembly frame; 52. Assembly block; 53. Screw; 54. Slot; 55. Card. DETAILED DESCRIPTION

[0028] Embodiment 1, as Figure 1 As shown, a medium-deep geothermal heat exchanger includes a heat exchange tube 1, a stabilizing device 4 and a fixing device 5. A connecting tube 2 is fixedly connected to the surface of one end of the heat exchange tube 1, a connecting tube 3 is fixedly connected to the surface of the connecting tube 2, and the stabilizing device 4 is installed on the arc surface of the heat exchange tube 1 with the help of the fixing device 5.

[0029] Reference Figure 1 , Figure 2 and Figure 3As shown, in this embodiment: the stabilizing device 4 includes a mounting ring 41, which is arranged on the arc surface of the heat exchange tube 1, and the surrounding surfaces of the mounting ring 41 are respectively fixedly connected with a rotating shaft 42, and a stabilizing plate 43 is rotatably connected to the arc surface of the rotating shaft 42, and a clamping block 44 is clamped on the inner wall of one side of the stabilizing plate 43, and the clamping block 44 is fixedly connected to the surface of the heat exchange tube 1. When the heat exchanger is in use, the stabilizing device 4 is first installed on the surface of the heat exchange tube 1, and then the heat exchange tube 1 is placed in the corresponding position underground, and then the stabilizing plate 43 is rotated to make the stabilizing plate 43 rotate on the arc surface of the rotating shaft 42 of the mounting ring 41 until the inner wall of one side of the stabilizing plate 43 is clamped on the surface of the clamping block 44, and then the soil of the buried position is backfilled. At this time, when the heat exchanger is in use, it can be more stably arranged in the underground layer, and it is not easy for the heat exchange tube 1 to be offset and tilted due to the soft soil and the invasion of rain and moisture, thereby improving the stability of the heat exchange tube 1, thereby further improving the use effect of the heat exchanger and making better use of geothermal energy.

[0030] Reference Figure 1 , Figure 2 and Figure 3 As shown, in this embodiment: a spring 411 is fixedly connected to the surface of one side of the stabilizing plate 43, and the other end of the spring 411 is fixedly connected to the assembly plate 410, and the assembly plate 410 is fixedly connected to the surface of the mounting ring 41. By setting the spring 411, when the stabilizing plate 43 is in use, the stabilizing plate 43 can be rotated and clamped on the surface of the clamping block 44 under the force of the spring 411, thereby improving the convenience of stable use. A bolt 45 is threadedly connected to the surface of the stabilizing plate 43, and the bolt 45 is threadedly connected to the surface of the clamping block 44. An operating block 46 is fixedly connected to the surface of the bolt 45. Through the setting of the bolt 45, the connection between the block 44 and the stabilizing plate 43 is more stable, so that the stabilizing plate 43 can be better arranged on one side of the heat exchange tube 1 to provide a stable support effect for the heat exchange tube 1. A plurality of evenly distributed protrusions 47 are fixedly connected to the surface of one side of the stabilizing plate 43. The cross-sections of the plurality of protrusions 47 are conical. Through the setting of the protrusions 47, the stabilizing plate 43 and the soil can be better maintained in a stable connection relationship, thereby further improving the use effect of the stabilizing device 4.

[0031] Reference Figure 1 , Figure 2 and Figure 3As shown, in the present embodiment: a mounting groove 48 is provided on one side surface of the stabilizing plate 43, and a side plate 49 is clamped on the inner wall of the mounting groove 48. Through the arrangement of the side plate 49, the heat exchange tube 1 is more stable when buried and is not prone to abnormal deflection, thereby improving the use stability of the heat exchange tube 1. A reinforcement groove 412 is provided on one side surface of the stabilizing plate 43, and a reinforcement ring 413 is clamped on the inner wall of the reinforcement groove 412. Through the arrangement of the reinforcement groove 412 and the reinforcement ring 413, the stabilizing plate 43 around the mounting ring 41 can be more stable, thereby better enabling the heat exchange tube 1 to be stably arranged and used.

[0032] Reference Figure 1 and Figure 4 As shown, in this embodiment: the fixing device 5 includes two assembly frames 51, the two assembly frames 51 are respectively fixedly connected to the arc surface of the heat exchange tube 1, the inner walls of the two assembly frames 51 are respectively clamped with assembly blocks 52, the assembly blocks 52 are fixedly connected to the surface of the mounting ring 41, the surface of the assembly blocks 52 is penetrated and inserted with screws 53, and the screws 53 are threadedly connected to the inner wall of the assembly frames 51. When the fixing device 5 is used to assemble the stabilizing device 4, the assembly blocks 52 on the mounting ring 41 are first clamped with the assembly frames 51 on the connecting pipe 3, and then the screws 53 are penetrated through the assembly blocks 52. 2, until the screw 53 is threadedly connected with the inner wall of the assembly frame 51. At this time, the stabilizing device 4 is more convenient to use, so that the heat exchanger can be better used to utilize geothermal energy, and the use effect of the heat exchanger is improved. The inner walls of the two assembly frames 51 are respectively provided with card grooves 54, and the inner walls of the card grooves 54 are clamped with card plates 55. The screws 53 are inserted through the surface of the card plates 55. Through the setting of the card plates 55, the connection between the assembly block 52 and the assembly frame 51 is more stable, so that the use of the stabilizing device 4 is more stable, and the use effect of the fixing device 5 is improved.

[0033] Working principle: When the heat exchanger is in use, first install the stabilizing device 4 on the surface of the heat exchange tube 1, then place the heat exchange tube 1 into the corresponding position underground, and then rotate the stabilizing plate 43 to make the stabilizing plate 43 rotate on the arc surface of the rotating shaft 42 of the mounting ring 41 until the inner wall of one side of the stabilizing plate 43 is clamped on the surface of the clamping block 44, and then the bolt 45 is passed through the stabilizing plate 43 until the bolt 45 is threadedly connected with the surface of the clamping block 44, and then the reinforcement ring 413 is clamped into the reinforcement groove 412 on the surface of the stabilizing plate 43, and then the soil at the buried position is backfilled. At this time, when the heat exchanger is in use, it can be more stably set in the underground layer, and it is not easy for the heat exchange tube 1 to be offset and tilted due to the soft soil and the invasion of rain and moisture, thereby improving the stability of the heat exchange tube 1, thereby further improving the use effect of the heat exchanger and making better use of geothermal energy.

[0034] When the stabilizing device 4 is assembled using the fixing device 5, the assembly block 52 on the mounting ring 41 is firstly engaged with the assembly frame 51 on the connecting pipe 3, and then the clamping plate 55 is engaged with the inner wall of the clamping groove 54 on the surface of the assembly frame 51, and then the screw 53 is penetrated through the surface of the assembly block 52 until the screw 53 is threadedly connected with the inner wall of the assembly frame 51. At this time, the stabilizing device 4 is more convenient to use, so that the heat exchanger can be better used to utilize geothermal energy, thereby improving the use effect of the heat exchanger.

Claims

1. A medium-deep geothermal heat exchanger, comprising a heat exchange tube (1), a stabilizing device (4) and a fixing device (5), characterized in that: A connecting tube (2) is fixedly connected to the surface of one end of the heat exchange tube (1), and a connecting tube (3) is fixedly connected to the surface of the connecting tube (2). The stabilizing device (4) is mounted on the arc surface of the heat exchange tube (1) by means of a fixing device (5). The stabilizing device (4) comprises a mounting ring (41), and the mounting ring (41) is arranged on the arc surface of the heat exchange tube (1). The surrounding surfaces of the mounting ring (41) are respectively fixedly connected to rotating shafts (42). A stabilizing plate (43) is rotatably connected to the arc surface of the rotating shaft (42). A clamping block (44) is clamped on the inner wall of one side of the stabilizing plate (43), and the clamping block (44) is fixedly connected to the surface of the heat exchange tube (1).

2. A mid-deep geothermal heat exchanger according to claim 1, characterized in that: A spring (411) is fixedly connected to a surface of one side of the stabilizing plate (43), and an assembly plate (410) is fixedly connected to the other end of the spring (411), and the assembly plate (410) is fixedly connected to the surface of the mounting ring (41).

3. The mid-deep geothermal heat exchanger according to claim 1, characterized in that: A bolt (45) is threadedly connected through a surface of one side of the stabilizing plate (43), the bolt (45) is threadedly connected to the surface of the clamping block (44), and an operating block (46) is fixedly connected to the surface of the bolt (45).

4. The mid-deep geothermal heat exchanger according to claim 1, characterized in that: A plurality of evenly distributed protrusions (47) are fixedly connected to a surface of one side of the stabilizing plate (43), and the cross-sections of the plurality of protrusions (47) are conical.

5. The medium-deep geothermal heat exchanger according to claim 1, characterized in that: A mounting groove (48) is provided on one side surface of the stabilizing plate (43), and a side plate (49) is clamped on the inner wall of the mounting groove (48).

6. The mid-deep geothermal heat exchanger according to claim 1, characterized in that: A reinforcement groove (412) is provided on one side surface of the stabilizing plate (43), and a reinforcement ring (413) is clamped on the inner wall of the reinforcement groove (412).

7. The medium-deep geothermal heat exchanger according to claim 1, characterized in that: The fixing device (5) comprises two assembly frames (51), the two assembly frames (51) being fixedly connected to the arc surface of the heat exchange tube (1) respectively, the inner walls of the two assembly frames (51) being respectively clamped with assembly blocks (52), the assembly blocks (52) being fixedly connected to the surface of the mounting ring (41), the surfaces of the assembly blocks (52) being penetrated by screws (53), and the screws (53) being threadedly connected to the inner walls of the assembly frames (51).

8. The mid-deep geothermal heat exchanger according to claim 7, characterized in that: The inner walls of the two assembly frames (51) are respectively provided with card slots (54), the inner walls of the card slots (54) are card-connected with card plates (55), and the screws (53) are inserted through the surface of the card plates (55).

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