Ground source side heat exchanger and air conditioner heat recovery system

Abstract

The utility model discloses a ground source side heat exchanger and an air conditioner heat recovery system, and relates to the technical field of air conditioner heat recovery systems, the ground source side heat exchanger comprises a cylinder and a descaling assembly, the front end and the rear end of the bottom of the cylinder are respectively provided with a support frame group, the front end and the rear end of the cylinder are respectively connected with an end socket assembly through flanges, and the top of the cylinder is provided with a flow conveying valve. And the middle section of the bottom of the barrel is provided with a descaling assembly, meanwhile, a heat exchange pipe is horizontally installed in the barrel, and the descaling assembly is arranged on the two sides of the interior of the barrel. According to the ground source side heat exchanger and the air conditioner heat recovery system, the scale removing assembly is installed in the scale discharging assembly installed in the barrel, scale accumulated on the surfaces of the heat exchange pipes can be scraped off through operation of the structure of the ground source side heat exchanger and the air conditioner heat recovery system at regular intervals, and therefore the effectiveness of temperature transfer is ensured, unnecessary energy loss is avoided, and the service life of the heat exchanger is prolonged. And the scale discharging assembly can be matched with the operation of the scale discharging assembly to collect settled scale in a centralized manner, so that centralized maintenance of subsequent operators is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of air-conditioning heat recovery systems, in particular to a ground source side heat exchanger and an air-conditioning heat recovery system. Background Art

[0002] The air conditioning heat recovery system is an environmentally friendly technology that can effectively reduce energy waste. Its principle is to use the heat generated by the air conditioning during cooling, and recover the heat through air or water in the air handling unit or condenser, so as to reuse the waste heat and improve the air conditioning energy efficiency ratio;

[0003] The working process of the air conditioning heat recovery system includes: when the air conditioner needs to cool, the air conditioning compressor will compress the refrigerant, and the refrigerant will release heat in the condenser. At this time, the cooling water or air will take away some of the heat through the condenser. The heat recovery system will recycle the waste heat and make it play a heating role when cooling again, thus achieving the effect of energy saving and environmental protection;

[0004] Among them, the ground source side heat exchanger, that is, the buried pipe side heat exchanger, is used in the air conditioning heat recovery system. It is an efficient, energy-saving and environmentally friendly air conditioning system that uses shallow underground geothermal resources for both heating and cooling. The ground source heat pump can realize the transfer of energy from low-temperature heat sources to high-temperature heat sources by inputting a small amount of high-quality energy. In winter, the heat in the soil is "taken" out, and the temperature is raised and supplied to the room for heating; in summer, the indoor heat is "taken" out and released into the soil, and the underground temperature can be balanced all year round.

[0005] Conventional heat exchangers have a large number of heat exchange tubes distributed inside. As the heat exchange tubes are in contact with cooling water for a long time, scale will inevitably accumulate on the surface of the heat exchange tubes due to water quality factors. The scale will greatly affect the heat transfer effect of the heat exchange tubes themselves, which in turn affects the operation of the heat exchanger. Maintenance and cleaning require the heat exchanger to be disassembled for processing. The whole process is time-consuming, labor-intensive and relatively complicated.

[0006] Therefore, in view of this, the existing structure and deficiencies are studied and improved, and a ground source side heat exchanger and air conditioning heat recovery system are proposed. Utility Model Content

[0007] The purpose of the utility model is to provide a ground source side heat exchanger and an air conditioning heat recovery system to solve the problems raised in the above background technology.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ground source side heat exchanger and air conditioning heat recovery system, including a cylinder and a descaling component, support frame groups are arranged at the front and rear ends of the bottom of the cylinder, and the front and rear ends of the cylinder are flange-connected with head assemblies, and a flow valve is installed on the top of the cylinder, and a descaling component is arranged in the middle section of the bottom of the cylinder, and a heat exchange tube is horizontally installed inside the cylinder, and the descaling component is arranged on both sides of the inside of the cylinder, and the descaling component includes a servo motor, a bidirectional screw and a scraper, and the power output end of the servo motor is installed with a bidirectional screw through a coupling, and both ends of the bidirectional screw are threadedly connected with scrapers.

[0009] Furthermore, the support frame group includes a stabilizing seat, a docking arc plate and an auxiliary frame. The docking arc plate is installed in the middle of the stabilizing seat, and the auxiliary frame is horizontally installed on a side of the stabilizing seat away from the head assembly.

[0010] Furthermore, the stabilizing seat is arranged in an "M"-shaped structure, and the auxiliary frame and the stabilizing seat are welded together, and the inner diameter surface structure of the docking arc plate matches the outer surface structure of the cylinder.

[0011] Furthermore, the head assembly includes a pipe box, a first pipe, a second pipe and a partition, the first pipe is horizontally penetrated through the upper end of the pipe box away from the cylinder, the second pipe is horizontally penetrated through the lower end of the pipe box away from the cylinder, and a partition is horizontally installed in the center of the pipe box.

[0012] Furthermore, the descaling assembly includes a sedimentation hopper, an output pipe and a discharge valve. The bottom of the sedimentation hopper is vertically connected to the output pipe, and the bottom of the output pipe is provided with a discharge valve.

[0013] Furthermore, the heat exchange tubes are arranged in an equidistant horizontal array inside the cylinder, and the heat exchange tubes horizontally penetrate the scraper and are slidably connected to the scraper.

[0014] Furthermore, both left and right sides of the scraper are threadedly connected with bidirectional lead screws, and the edge of the scraper fits the inner wall of the cylinder. The bidirectional lead screw horizontally penetrates the interior of the cylinder including the pipe boxes arranged at the front and rear ends.

[0015] An air conditioning heat recovery system is provided, wherein the ground source side heat exchanger as described above is installed in the air conditioning heat recovery system.

[0016] The utility model provides a ground source side heat exchanger and air conditioning heat recovery system, which has the following beneficial effects:

[0017] 1. The utility model provides a scale removal assembly inside the cylinder, wherein the heat exchange tubes horizontally arrayed inside the cylinder all penetrate horizontally through the middle of the scraper disk, and maintain sliding connection with each other, and the edge of the scraper disk fits the inner wall surface of the cylinder. Therefore, when the servo motor is operated, it will drive the bidirectional lead screw connected thereto to rotate axially in the horizontal direction, so that the scraper disk threadedly connected thereto will translate left and right in the horizontal direction along the surface of the bidirectional lead screw. By utilizing the above structure, when the scraper disk translates, it will simultaneously slide and rub against the inner wall surface of the cylinder and the outer wall surface of the heat exchange tube, so that the scale accumulated on the surfaces of both surfaces is scraped off and gradually settles on the bottom side of the cylinder, and at the same time, it is brought into the scale removal assembly in the middle section of the bottom of the cylinder under the operation of the scraper disk, so as to effectively avoid the gradual generation of scale on the surface of the heat exchange tube due to water quality factors during the heat conversion process, resulting in the blocking of heat transfer, thereby affecting the heat recovery utilization rate and greatly affecting the operation effect of the device.

[0018] 2. The utility model installs the head assembly at both the front and rear ends of the cylinder, and utilizes the first connecting pipe and the second connecting pipe to flexibly connect the entire device with the external air conditioning heat recovery system. As for the descaling assembly arranged in the middle section of the bottom of the cylinder, the operator can open the discharge valve arranged at the bottom of the output pipe when the equipment needs to be maintained, and effectively treat the scale deposited and accumulated inside the sedimentation bucket at one time, so that the entire device can be better operated and used. In addition, by installing a stabilizing seat with a docking arc plate, on the one hand, the entire cylinder can be flexibly disassembled and assembled with the support frame group, and effective structural stability can be provided. On the other hand, the auxiliary frame also provides effective structural support for the front and rear ends of the descaling assembly, ensuring that the device can operate continuously and well, while also providing a certain degree of frame protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of a ground source side heat exchanger and an air conditioning heat recovery system of the utility model;

[0020] Figure 2 It is a schematic diagram of the three-dimensional structure of a support frame group of a ground source side heat exchanger and an air conditioning heat recovery system of the utility model;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of a head assembly of a ground source side heat exchanger and an air conditioning heat recovery system of the utility model;

[0022] Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of a cylinder of a ground source side heat exchanger and an air conditioning heat recovery system of the utility model;

[0023] Figure 5It is a schematic diagram of the three-dimensional structure of a descaling component of a ground source side heat exchanger and an air conditioning heat recovery system of the utility model.

[0024] In the figure: 1. Cylinder; 2. Support frame group; 201. Stable seat; 202. Docking arc plate; 203. Auxiliary frame; 3. Head assembly; 301. Pipe box; 302. First connecting pipe; 303. Second connecting pipe; 304. Partition; 4. Flow valve; 5. Descaling assembly; 501. Sedimentation bucket; 502. Output pipe; 503. Discharge valve; 6. Heat exchange tube; 7. Descaling assembly; 701. Servo motor; 702. Bidirectional screw; 703. Scraper. DETAILED DESCRIPTION

[0025] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0026] like Figures 1 to 5 As shown, a ground source side heat exchanger and air conditioning heat recovery system include a cylinder 1 and a descaling component 7. Support frame groups 2 are provided at both ends of the bottom of the cylinder 1, and both ends of the front and rear ends of the cylinder 1 are flange-connected with head components 3. A flow valve 4 is installed on the top of the cylinder 1, and a descaling component 5 is provided in the middle section of the bottom of the cylinder 1. At the same time, heat exchange pipes 6 are horizontally installed inside the cylinder 1, and the descaling component 7 is arranged on both sides of the inside of the cylinder 1. The descaling component 7 includes a servo motor 701, a bidirectional lead screw 702 and a scraper 703. The power output end of the servo motor 701 is installed with a bidirectional lead screw 702 through a coupling, and both ends of the bidirectional lead screw 702 are threadedly connected with the scraper 703. The heat exchange pipes 6 are equidistantly arranged horizontally in the cylinder 1, and the heat exchange pipes 6 horizontally penetrate the scraper 703 and are connected to the scraper 703. The scrapers 703 are slidably connected, and the left and right sides of the scrapers 703 are both threadedly connected with a bidirectional lead screw 702, and the edge of the scraper 703 fits the inner wall of the cylinder 1. The bidirectional lead screw 702 horizontally penetrates the interior of the cylinder 1, including the pipe box 301 arranged at the front and rear ends. A scale removal component 5 is arranged inside the cylinder 1, and the heat exchange tubes 6 horizontally arrayed inside the cylinder 1 all horizontally penetrate the middle of the scraper 703, while maintaining a sliding connection with each other, and the edge of the scraper 703 fits the inner wall surface of the cylinder 1. Therefore, when the servo motor 701 is in operation, it will drive the bidirectional lead screw 702 connected thereto to rotate axially in the horizontal direction, so that the scraper 703 threadedly connected thereto will translate left and right in the horizontal direction along the surface of the bidirectional lead screw 702.

[0027] like Figures 1 to 5As shown, the support frame group 2 includes a stable seat 201, a docking arc plate 202 and an auxiliary frame 203. The docking arc plate 202 is installed in the middle of the stable seat 201, and the auxiliary frame 203 is horizontally installed on the side of the stable seat 201 away from the head assembly 3. The stable seat 201 is arranged in an "M"-shaped structure, and the auxiliary frame 203 and the stable seat 201 are welded. The inner diameter surface structure of the docking arc plate 202 matches the outer surface structure of the cylinder 1. The head assembly 3 includes a pipe box 301, a first pipe 302, a second pipe 303 and a partition plate 304. The first pipe 302 is horizontally penetrated at the upper end of the side of the pipe box 301 away from the cylinder 1, and the second pipe 303 is horizontally penetrated at the lower end of the side of the pipe box 301 away from the cylinder 1, and the pipe box 30 1 is horizontally installed with a partition 304 in the center, and the descaling assembly 5 includes a sedimentation bucket 501, an output pipe 502 and a discharge valve 503. The bottom of the sedimentation bucket 501 is vertically connected with the output pipe 502, and the bottom of the output pipe 502 is provided with a discharge valve 503. The descaling assembly 5 is arranged in the middle section of the bottom of the cylinder 1. When the operator needs to maintain the equipment, he can open the discharge valve 503 provided at the bottom of the output pipe 502 to effectively treat the scale deposited and accumulated inside the sedimentation bucket 501 at one time. In addition, by installing the stabilizing seat 201 with the docking arc plate 202, the entire cylinder 1 can be flexibly disassembled and assembled with the support frame group 2, while providing effective structural stability and a certain degree of frame protection.

[0028] An air conditioning heat recovery system is provided, wherein the air conditioning heat recovery system is equipped with the above ground source side heat exchanger.

[0029] In summary, if Figures 1 to 5 As shown, when the ground source side heat exchanger and air conditioning heat recovery system are used, firstly, the cylinder 1 with the head assembly 3 installed in the front and rear sections is horizontally placed on the stable seat 201 provided with the docking arc plate 202, and at the same time, the auxiliary frame 203 is used to provide good structural support for the front and rear ends of the descaling assembly 7;

[0030] Then, the two groups of flow valves 4 at the top of the cylinder 1 are connected to the upstream water circulation device, and then the first connecting pipe 302 and the second connecting pipe 303 on one side of the pipe box 301 are connected to the pipeline in the air conditioning heat recovery system to ensure the effective transmission of the airflow;

[0031] As the entire air conditioning heat recovery system operates, the cylinder 1 will be filled with enough water. Then, when the air conditioning needs cooling, the air conditioning compressor will compress the refrigerant, and the refrigerant will release heat in the condenser. At this time, the cooling water or air will take away part of the heat through the condenser and enter the heat exchange tube 6 inside the cylinder 1 through the transmission of the pipeline. The cooling water inside the cylinder 1 is used to heat it when cooling again.

[0032] When it is necessary to start the descaling component 7 to descaling the scale accumulated in the heat exchange tube 6, it is only necessary to start the servo motor 701, and use the servo motor 701 to drive the bidirectional lead screw 702 connected to its power output end to start axial rotation in the horizontal direction, so that the scrapers 703 located at both ends of the cylinder 1 will simultaneously translate toward the center of the cylinder 1. As the scrapers 703 move, the scrapers 703 will scrape off all the scale on the inner wall surface of the cylinder 1 and the outer surface of the heat exchange tube 6, and then gradually settle. At the same time, due to the movement of the scrapers 703, the scale that has settled or is in a suspended state will be pushed to the middle of the cylinder 1, so that it will be concentrated and settled in the sedimentation bucket 501. After that, the scrapers 703 will reset their structure with the operation of the servo motor 701. When the settled scale needs to be processed, it is only necessary to open the discharge valve 503 at the bottom of the output pipe 502 to discharge the scale inside the sedimentation bucket 501.

[0033] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A ground source side heat exchanger, comprising a cylinder (1) and a descaling assembly (7), characterized in that: Support frame assemblies (2) are provided at both front and rear ends of the bottom of the cylinder (1), and both front and rear ends of the cylinder (1) are flange-connected with a head assembly (3), and a flow valve (4) is installed at the top of the cylinder (1), and a descaling assembly (5) is provided at the middle section of the bottom of the cylinder (1), and a heat exchange tube (6) is installed horizontally inside the cylinder (1), and the descaling assembly (7) is arranged on both sides of the inside of the cylinder (1), and the descaling assembly (7) comprises a servo motor (701), a bidirectional lead screw (702) and a scraper (703), and the power output end of the servo motor (701) is installed with a bidirectional lead screw (702) via a coupling, and both ends of the bidirectional lead screw (702) are threadedly connected with the scraper (703).

2. A ground source side heat exchanger according to claim 1, characterized in that: The support frame assembly (2) comprises a stabilizing seat (201), a docking arc plate (202) and an auxiliary frame (203); the docking arc plate (202) is installed in the middle of the stabilizing seat (201), and the auxiliary frame (203) is installed horizontally on a side of the stabilizing seat (201) away from the head assembly (3).

3. A ground source side heat exchanger according to claim 2, characterized in that: The stabilizing seat (201) is arranged in an "M"-shaped structure, and the auxiliary frame (203) and the stabilizing seat (201) are welded together, and the inner diameter surface structure of the docking arc plate (202) matches the outer surface structure of the cylinder (1).

4. A ground source side heat exchanger according to claim 1, characterized in that: The end cap assembly (3) comprises a pipe box (301), a first pipe (302), a second pipe (303) and a partition (304); the first pipe (302) is horizontally penetrated through the upper end of the pipe box (301) away from the cylinder (1), the second pipe (303) is horizontally penetrated through the lower end of the pipe box (301) away from the cylinder (1), and the partition (304) is horizontally installed in the center of the pipe box (301).

5. The ground source side heat exchanger according to claim 1, characterized in that: The descaling assembly (5) comprises a sedimentation hopper (501), an output pipe (502) and a discharge valve (503); the bottom of the sedimentation hopper (501) is vertically connected to the output pipe (502), and the bottom of the output pipe (502) is provided with a discharge valve (503).

6. A ground source side heat exchanger according to claim 1, characterized in that: The heat exchange tubes (6) are arranged in an equidistant horizontal array inside the cylinder (1), and the heat exchange tubes (6) horizontally penetrate the scraper (703) and are slidably connected to the scraper (703).

7. A ground source side heat exchanger according to claim 4, characterized in that: The left and right sides of the scraper (703) are both threadedly connected to a bidirectional lead screw (702), and the edge of the scraper (703) fits the inner wall of the cylinder (1). The bidirectional lead screw (702) horizontally penetrates the interior of the cylinder (1), including the pipe boxes (301) arranged at the front and rear ends.

8. An air conditioning heat recovery system, characterized in that: The air conditioning heat recovery system is installed with a ground source side heat exchanger as described in any one of claims 1-7.

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