Efficient energy gathering device for middle-deep layer terrestrial heat

Abstract

The utility model relates to the field of terrestrial heat, and discloses an efficient energy gathering device for middle-deep layer terrestrial heat, which comprises a shell, a fixing ring is fixedly connected with the upper part of the outer wall of the shell, screw rods are in threaded connection with the front part, the rear part, the left part and the right part of the fixing ring, an energy gathering mechanism is arranged in the middle of the shell, and the energy gathering mechanism comprises a water pump and a heat exchange energy gathering assembly. The water pump is fixedly connected with the shell, a filter screen is fixedly connected to the lower portion of the left side of the shell, the heat exchange and energy gathering assembly comprises a heat exchange pipe, the heat exchange pipe is spirally arranged, the upper end of the heat exchange pipe is fixedly connected with a water inlet pipe, and the water inlet pipe penetrates through the shell and is fixedly connected with the shell. According to the utility model, through the mutual cooperation among the shell, the water pump and the heat exchange and energy gathering assembly, cold water and water flow absorbing heat energy are not gathered, so that the water temperature is effectively ensured not to be reduced, the efficient energy gathering of the device is ensured, and the device is more practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to geothermal field especially relates to a kind of high-efficiency energy-gathering device for middle-deep geothermal. BACKGROUND

[0002] High-efficiency energy-gathering device for middle-deep geothermal is the equipment that will geothermal energy be extracted efficiently and be converted into usable energy, mainly applied in city heating, power generation and industrial heating and other fields.

[0003] Through retrieval, China patent publication No. CN22172461U discloses a kind of middle-deep geothermal downhole energy gathering device, including shell, the one end of the shell is provided with energy-gathering mechanism, the inside of the shell is provided with filter mechanism, the both sides surface of the shell is fixedly installed with fixed block, the one end of the fixed block is provided with fixed frame.The middle-deep geothermal downhole energy gathering device, through the setting of heat collection groove, heat conducting plate, water tank, water pump, water suction pipe, drain pipe, circulating water pipe, water injection hole and drain hole, before heat extraction, first inject cold water into water tank through water injection hole, then start water pump, and cold water is discharged into circulating water pipe, at this time, heat conducting plate will absorb the heat in the hot water flowing into shell and gather in heat conducting plate, the water flowing in circulating water pipe can absorb the heat gathered by heat conducting plate, finally, water flow reflows back to water tank, and heat extraction is completed, and the water flow after heat extraction can be discharged from water tank through drain hole.

[0004] The above-mentioned device, although through the setting of heat collection groove, heat conducting plate, water tank, water pump, water suction pipe, drain pipe, circulating water pipe, water injection hole and drain hole, can realize the extraction and conversion of geothermal energy, but the water after absorbing heat energy will also return to the water tank through the water injection hole of the device, which leads to the convergence of hot water and cold water in the water tank, thereby reducing the temperature of the water after absorbing heat energy and affecting the heat energy gathering effect, and the device is not practical enough. In addition, the heat conducting plate is set to absorb heat energy first and then conduct heat energy to the circulating water pipe, which can only absorb heat energy on the side of the circulating water pipe close to the heat conducting plate, and the heat exchange efficiency is low, which is not practical enough. Therefore, a high-efficiency energy-gathering device for middle-deep geothermal is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a kind of high-efficiency energy-gathering device for middle-deep geothermal, to improve the problem that the water after absorbing heat energy will also return to the water tank through the water injection hole of the device in the prior art, which leads to the convergence of hot water and cold water in the water tank, thereby reducing the temperature of the water after absorbing heat energy and affecting the heat energy gathering effect.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: A kind of high-efficiency energy-gathering device for middle-deep geothermal, including shell, the outer wall upper portion of the shell is fixedly connected with fixed ring, the front, rear, left and right parts of the fixed ring are threadedly connected with screw rod, the middle part of the shell is provided with energy-gathering mechanism, the energy-gathering mechanism includes water pump and heat exchange energy-gathering assembly, the water pump is fixedly connected with shell, the left lower portion of the shell is fixedly connected with filter screen, the heat exchange energy-gathering assembly includes heat exchange pipe, the heat exchange pipe is spirally arranged, the upper end of the heat exchange pipe is fixedly connected with water inlet pipe, the water inlet pipe penetrates shell and is fixedly connected with it, the lower end of the heat exchange pipe is fixedly connected with connecting pipe, the end of the connecting pipe away from the heat exchange pipe is fixedly connected with water delivery pipe, the top of the water delivery pipe penetrates shell and is fixedly connected with it, the water delivery pipe is movably connected with water pump.

[0007] As further description of the above technical solution:

[0008] The heat exchange pipe and the connecting pipe are provided with heat exchange pieces.

[0009] As further description of the above technical solution:

[0010] The upper and lower sides of the heat exchange pipe and the shell are fixedly connected with a plurality of support rods.

[0011] As further description of the above technical solution:

[0012] The front, rear, left and right sides of the heat exchange pipe and the shell are fixedly connected with a plurality of fixed rods.

[0013] As further description of the above technical solution:

[0014] The heat exchange pieces include a plurality of rib rings, and the rib rings are fixedly connected with the outer walls of the heat exchange pipe and the water delivery pipe.

[0015] As further description of the above technical solution:

[0016] The heat exchange pieces further include a plurality of spiral fins, and the spiral fins are fixedly connected with the inner walls of the heat exchange pipe and the water delivery pipe.

[0017] As further description of the above technical solution:

[0018] The left lower portion of the shell is provided with a liquid inlet, and the filter screen is fixedly connected with the inner wall of the liquid inlet.

[0019] As further description of the above technical solution:

[0020] The output end of the water pump is fixedly connected with a water outlet pipe.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, through the cooperation between the shell, the water pump and the heat exchange energy gathering assembly, the cold water and the water flow after absorbing heat energy cannot converge, so that the water temperature is effectively ensured not to be reduced, the high efficient energy gathering of the device is ensured, and the device is more practical.

[0023] 2. In the utility model, through the cooperation between the heat exchange pipe, the water delivery pipe, the plurality of inner rings and the auxiliary fins, the heat exchange efficiency can be improved, so that the heat exchange energy gathering efficiency of the device is effectively improved, the device is more efficient and more practical. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole three-dimensional structure schematic view of the high efficient energy gathering device for middle and deep geothermal heat.

[0025] Figure 2 It is a shell cross section three-dimensional structure schematic view of the high efficient energy gathering device for middle and deep geothermal heat.

[0026] Figure 3 It is a heat exchange energy gathering assembly three-dimensional structure schematic view of the high efficient energy gathering device for middle and deep geothermal heat.

[0027] Figure 4 It is a heat exchange energy gathering assembly three-dimensional structure schematic view of the high efficient energy gathering device for middle and deep geothermal heat.

[0028] Figure 5 It is a water delivery pipe local cross section three-dimensional structure schematic view of the high efficient energy gathering device for middle and deep geothermal heat.

[0029] LEGEND:

[0030] 1, shell, 2, fixed ring, 3, water pump, 5, heat exchange energy gathering assembly, 6, filter screen, 7, screw rod, 51, water inlet pipe, 52, heat exchange pipe, 53, connecting pipe, 54, water delivery pipe, 55, fixed rod, 56, support rod, 501, rib ring, 502, spiral rib, 11, liquid inlet, 31, water outlet pipe. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] REFER TOFigure 1 Figure 2 The utility model provides an embodiment: a kind of high-efficiency energy-gathering device for middle deep geothermal, including shell 1, it is used to cooperate geothermal heat exchange energy-gathering operation, the outer wall upper portion of shell 1 is fixedly connected with fixed ring 2, it is used to cooperate the installation fixed of device and ground, front, rear, left, right portion of fixed ring 2 is threadedly connected with screw rod 7, it is used to cooperate the fixed between fixed ring 2 and ground, the middle part of shell 1 is provided with energy-gathering mechanism, energy-gathering mechanism includes water pump 3 and heat exchange energy-gathering subassembly 5, water pump 3 is fixedly connected with shell 1, it is used to cooperate heat exchange operation, for controlling the delivery of water flow, the output end of water pump 3 is fixedly connected with water outlet pipe 31, for after sending out heat energy absorption liquid of heat exchange, the lower left side of shell 1 is fixedly connected with filter screen 6, for filtering impurity, the lower left side of shell 1 is provided with liquid inlet 11, for cooperating water flow into shell 1, filter screen 6 is fixedly connected with the inner wall of liquid inlet 11.

[0033] As shown in Figure 3 Figure 5 The heat exchange energy-gathering subassembly 5 includes heat exchange pipe 52, the heat exchange pipe 52 is spirally arranged, so that it can better contact with liquid to perform geothermal heat exchange operation, the upper end of the heat exchange pipe 52 is fixedly connected with the water inlet pipe 51, which is used to cooperate the cold water into the heat exchange pipe 52, which is connected with the water pipe, the water inlet pipe 51 penetrates the shell 1 and is fixedly connected therewith, the lower end of the heat exchange pipe 52 is fixedly connected with the connecting pipe 53, which is used to cooperate the connection between the heat exchange pipe 52 and the water delivery pipe 54, the end of the connecting pipe 53 away from the heat exchange pipe 52 is fixedly connected with the water delivery pipe 54, which is used to send out the liquid after absorbing heat energy, the top of the water delivery pipe 54 penetrates the shell 1 and is fixedly connected therewith, the water delivery pipe 54 is movably connected with the water pump 3, the heat exchange pipe 52 and the connecting pipe 53 are both provided with heat exchange pieces, which are used to improve the heat exchange efficiency, a plurality of support rods 56 are fixedly connected between the upper and lower sides of the heat exchange pipe 52 and the shell 1, which are used to support the heat exchange pipe 52, a plurality of fixed rods 55 are fixedly connected between the front, rear, left and right sides of the heat exchange pipe 52 and the shell 1, which are used to improve the stability of the heat exchange pipe 52.

[0034] Further, the heat exchange pieces include a plurality of rib rings 501, which are used to improve the heat exchange efficiency, the plurality of rib rings 501 are respectively fixedly connected with the outer walls of the heat exchange pipe 52 and the water delivery pipe 54, the heat exchange pieces further include a plurality of spiral fins 502, which are used to improve the efficiency of the cold water absorbing and gathering heat energy in the heat exchange pipe 52, and can also slow down the flow rate of the cold water in the heat exchange pipe 52, thereby improving the energy-gathering effect, the plurality of spiral fins 502 are respectively fixedly connected with the inner walls of the heat exchange pipe 52 and the water delivery pipe 54.

[0035] ​​Working principle: when in use, the water flow with geothermal energy will pass through the filter screen 6 through the liquid inlet 11, the filter screen 6 will filter the impurities in the water flow, preventing it from entering the shell 1, the filtered water flow will enter the shell 1, then turn on the water pump 3, the water pump 3 will extract cold water through the heat exchange energy aggregation assembly 5, the cold water will enter the heat exchange pipe 52 through the water inlet pipe 51, the cold water will flow in the spiral heat exchange pipe 52, at the same time, the heat in the water flow containing geothermal energy will be absorbed by the heat exchange pipe 52 through the rib ring 501, the absorbed heat will be transmitted to the cold water in the heat exchange pipe 52 through the heat exchange pipe 52 and the internal spiral rib 502, the cold water will absorb the heat energy, as the cold water is transported downward in the heat exchange pipe 52, the water temperature will gradually increase, until the water flow is transported to the lowermost end of the heat exchange pipe 52, the cold water absorbing the heat energy will be transported to the water delivery pipe 54 through the connecting pipe 53, then the water flow will be sucked into the water delivery pipe 54 by the water pump 3, when the water flow flows in the water delivery pipe 54, it can continue to absorb geothermal energy through the heat exchange piece, finally the water flow will be sent out by the water outlet pipe 31, thereby completing the efficient energy aggregation operation of the middle-deep geothermal.

[0036] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A high-efficiency shaped charge for medium-depth geothermal use, comprising a casing (1), characterized in that: The outer wall upper portion of the shell (1) is fixedly connected with a fixing ring (2), the front, rear, left and right portions of the fixing ring (2) are threadedly connected with screw rods (7), the middle portion of the shell (1) is provided with an energy gathering mechanism, the energy gathering mechanism comprises a water pump (3) and a heat exchange energy gathering assembly (5), the water pump (3) is fixedly connected with the shell (1), the left lower portion of the shell (1) is fixedly connected with a filter screen (6), the heat exchange energy gathering assembly (5) comprises a heat exchange pipe (52), the heat exchange pipe (52) is spirally arranged, the upper end of the heat exchange pipe (52) is fixedly connected with a water inlet pipe (51), the water inlet pipe (51) penetrates through and is fixedly connected with the shell (1), the lower end of the heat exchange pipe (52) is fixedly connected with a connecting pipe (53), one end of the connecting pipe (53) away from the heat exchange pipe (52) is fixedly connected with a water delivery pipe (54), the top of the water delivery pipe (54) penetrates through and is fixedly connected with the shell (1), and the water delivery pipe (54) is movably connected with the water pump (3).

2. The high-efficiency shaped charge for medium-depth geothermal according to claim 1, characterized in that: The heat exchange pipe (52) and the connecting pipe (53) are both provided with heat exchange pieces.

3. The high-efficiency shaped charge for medium-depth geothermal according to claim 1, characterized in that: A plurality of supporting rods (56) are fixedly connected between the upper and lower sides of the heat exchange pipe (52) and the shell (1).

4. The high-efficiency shaped charge for medium-depth geothermal according to claim 1, characterized in that: A plurality of fixing rods (55) are fixedly connected between the front, rear, left and right sides of the heat exchange pipe (52) and the shell (1).

5. The high-efficiency shaped charge for medium-depth geothermal according to claim 2, characterized in that: The heat exchange pieces comprise a plurality of rib rings (501), and the rib rings (501) are fixedly connected with the outer walls of the heat exchange pipe (52) and the water delivery pipe (54) respectively.

6. The high-efficiency shaped charge for medium-depth geothermal according to claim 2, characterized in that: The heat exchange pieces further comprise a plurality of spiral rib plates (502), and the spiral rib plates (502) are fixedly connected with the inner walls of the heat exchange pipe (52) and the water delivery pipe (54) respectively.

7. The high-efficiency shaped charge for medium-depth geothermal according to claim 1, characterized in that: The left lower portion of the shell (1) is provided with a liquid inlet (11), and the filter screen (6) is fixedly connected with the inner wall of the liquid inlet (11).

8. The high-efficiency shaped charge for medium-depth geothermal according to claim 1, characterized in that: The output end of the water pump (3) is fixedly connected with a water outlet pipe (31).

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