Energy-saving heat recovery device for air compressor

By designing a recovery mechanism and a conversion mechanism in the heat recovery device of the air compressor, uniform heating of water and efficient recovery of hot gas are achieved, and the problems of uneven heating and high-temperature water affecting recycling in the prior art are solved, achieving the purpose of energy conservation and environmental protection.

CN223035204UActive Publication Date: 2025-06-27AIZHENG ENERGY TECH (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202422213421.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-10
Publication Date
2025-06-27
Estimated Expiration
2034-09-10

AI Technical Summary

Technical Problem

The existing heat recovery device of air compressors is difficult to achieve uniform heating during the heating process, which affects the effect of hot gas recovery and utilization, and high-temperature water affects subsequent recycling and utilization, making it inconvenient to use.

Method used

An energy-saving heat recovery device for air compressors including a recycling mechanism and a conversion mechanism is designed. The recycling mechanism uses the first motor to achieve uniform agitation and heating of water by providing a spiral tube and a stirring rod in the water storage tank. The conversion mechanism realizes the conversion of hot air into another water storage tank through the cooperation of the heat insulation pipe and the sliding block, ensuring uniform heating and efficient recycling of water.

Benefits of technology

By uniformly heating the water, the efficiency of hot gas recycling is improved, the problem of high-temperature water affecting subsequent recycling is avoided, and the effect of energy saving and environmental protection is achieved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air compressor energy-saving heat recovery device which comprises a bottom plate, a vertical plate is fixedly installed on the top of the bottom plate, a top plate is fixedly installed on the top of the vertical plate, a heat insulation box body fixedly connected with the vertical plate is arranged below the top plate, and water storage tanks are arranged on the two sides of the heat insulation box body. The two water storage tanks are each provided with a recycling mechanism, and a switching mechanism is arranged above the bottom plate. By arranging the recycling mechanism and the switching mechanism, stirring of water in the water storage tank can be achieved through the first motor in the process that hot air heats water to achieve recycling, so that the water can be evenly heated, and the backflow utilization effect is improved; and meanwhile, when the temperature of water in one water storage tank is high and the recycling effect is poor, hot air can be converted and guided into the other water storage tank to be recycled, so that the recycling effect of the hot air can be improved, and energy conservation and environment protection are achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of air compressors, in particular to a heat recovery device for energy saving of air compressors. Background Art

[0002] An air compressor is a device that provides gas source power and is the core equipment in a pneumatic system. It is the main body of the air source device in the mechanical and electrical field. It converts the mechanical energy of the prime mover (usually an electric motor) into gas pressure energy and is a gas pressure generating device for compressed air. In the mechanical field and various production, decoration, and manufacturing fields, air compressors are widely used.

[0003] During the working process of an air compressor, a large amount of hot air is generated. At present, most of its heat is recovered and utilized through water heating. However, in the process of recovery and utilization by the existing recovery device, it is difficult to heat the water evenly, which affects the heat recovery and utilization effect. Moreover, after heating for a period of time, the high temperature of the water will affect the subsequent recovery and utilization effect, making it inconvenient to use. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the defects existing in the prior art and propose a heat recovery device for energy saving of air compressors.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A heat recovery device for energy saving of air compressors includes a bottom plate. A vertical plate is fixedly installed at the top of the bottom plate, and a top plate is fixedly installed at the top of the vertical plate. Below the top plate, there is a heat insulation box body fixedly connected to the vertical plate. Recovery mechanisms are arranged on both sides of the heat insulation box body, and a conversion mechanism is arranged above the bottom plate.

[0007] Preferably, the recovery mechanism includes a spiral pipe arranged inside the water storage tank. One end of the spiral pipe is provided with an exhaust pipe, and the other end of the spiral pipe is provided with an air inlet pipe. A connecting shaft is rotatably connected to the inner top of the water storage tank. Stirring rods are fixedly installed on the outer side wall of the connecting shaft. A first motor is fixedly installed at the top of the water storage tank. One end of the connecting shaft penetrates through the inner top of the water storage tank and is fixedly connected to the output shaft of the first motor.

[0008] Preferably, the conversion mechanism includes a heat-insulating pipe that penetrates through the top of the heat-insulating box body and is rotatably connected thereto. Two symmetrically arranged heat-insulating plates are fixedly installed on the outer side wall of the heat-insulating pipe. Both of the two heat-insulating plates are slidably connected to the inner wall of the heat-insulating box body. An inlet pipe connected to its interior is provided on the heat-insulating box body. One end of each of the two inlet pipes communicates with the heat-insulating box body. A sliding block is fixedly installed on the inner wall of the heat-insulating pipe. A cover body is fixedly installed on the top of the top plate. A threaded rod is rotatably connected between the inner top of the cover body and the top of the top plate. A lifting plate is fixedly installed on the outer side wall of the threaded rod. A second motor is fixedly installed on the top of the cover body. One end of the threaded rod penetrates through the inner top of the cover body and is fixedly connected to the output shaft of the second motor. Two connecting rods that penetrate through the top plate and are slidably connected thereto are provided on the top plate. One end of each of the two connecting rods is fixedly connected to the bottom of the lifting plate. The other ends of the two connecting rods are fixedly connected to the same mounting plate. A round rod located inside the heat-insulating pipe is fixedly installed on the bottom of the mounting plate. A sliding groove is formed on the outer side wall of the round rod.

[0009] Preferably, both the inlet pipe and the exhaust pipe extend to the outside of the water storage tank.

[0010] Preferably, the sliding groove is arc-shaped and extends along the axial direction of the round rod. The sliding block is located in the sliding groove and is slidably connected to the inner wall of the sliding groove.

[0011] Preferably, a drain pipe and a water inlet pipe that communicate with its interior are provided on the water storage tank.

[0012] The beneficial effects of the present utility model:

[0013] By providing a recovery mechanism and a conversion mechanism, during the process of heating water with hot air for recovery and utilization, the water in the water storage tank can be stirred by the first motor, so that the water can be heated more evenly, improving the reflux utilization effect. At the same time, when the water temperature in one water storage tank is relatively high and the recovery utilization effect is poor, the hot air can be converted and introduced into another water storage tank for recovery, thereby improving the recovery utilization effect of the hot air, saving energy and protecting the environment. Description of the Drawings

[0014] Figure 1 is a three-dimensional structural schematic diagram of a heat recovery device for energy saving of an air compressor proposed by the present utility model;

[0015] Figure 2 is a planar structural schematic diagram of the interior of the cover body and the heat-insulating box body of the present utility model;

[0016] Figure 3 is a top view of the internal structure of the heat-insulating box body of the present utility model;

[0017] Figure 4This is a schematic diagram of the internal planar structure of the water storage tank of the present utility model.

[0018] In the figure: 1 bottom plate, 2 water storage tank, 3 first motor, 4 vertical plate, 5 top plate, 6 second motor, 7 cover body, 8 connecting rod, 9 mounting plate, 10 heat insulation box body, 11 intake pipe, 12 exhaust pipe, 13 drain pipe, 14 threaded rod, 15 lifting plate, 16 round rod, 17 sliding groove, 18 heat insulation pipe, 19 inlet pipe, 20 sliding block, 21 heat insulation plate, 22 stirring rod, 23 connecting shaft, 24 water inlet pipe, 25 spiral pipe. Specific implementation manner

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0020] Referring to Figures 1-4 , a heat recovery device for energy saving of an air compressor, including a bottom plate 1, a vertical plate 4 is fixedly installed on the top of the bottom plate 1, a top plate 5 is fixedly installed on the top of the vertical plate 4, a heat insulation box body 10 fixedly connected to the vertical plate 4 is arranged below the top plate 5, water storage tanks 2 are arranged on both sides of the heat insulation box body 10, a recovery mechanism is arranged on both water storage tanks 2, the recovery mechanism includes a spiral pipe 25 arranged inside the water storage tank 2, an exhaust pipe 12 is arranged at one end of the spiral pipe 25, an intake pipe 11 is arranged at the other end of the spiral pipe 25, a connecting shaft 23 is rotatably connected to the inner top of the water storage tank 2, a stirring rod 22 is fixedly installed on the outer side wall of the connecting shaft 23, a first motor 3 is fixedly installed on the top of the water storage tank 2, one end of the connecting shaft 23 penetrates the inner top of the water storage tank 2 and is fixedly connected to the output shaft of the first motor 3, both the intake pipe 11 and the exhaust pipe 12 extend to the outside of the water storage tank 2, and a drain pipe 13 and a water inlet pipe 24 communicating with the inside of the water storage tank 2 are arranged on the water storage tank 2;

[0021] Above the bottom plate 1, a conversion mechanism is provided. The conversion mechanism includes a heat-insulating pipe 18 that penetrates through the top of the heat-insulating box body 10 and is rotatably connected thereto. On the outer side wall of the heat-insulating pipe 18, two symmetrically arranged heat-insulating plates 21 are fixedly installed. Both of the two heat-insulating plates 21 are slidably connected to the inner wall of the heat-insulating box body 10. The heat-insulating box body 10 is provided with an inlet pipe 19 connected to its interior. One end of each of the two intake pipes 11 is communicated with the heat-insulating box body 10. A sliding block 20 is fixedly installed on the inner wall of the heat-insulating pipe 18. On the top of the top plate 5, a cover body 7 is fixedly installed. Between the inner top of the cover body 7 and the top of the top plate 5, a threaded rod 14 is rotatably connected. On the outer side wall of the threaded rod 14, a lifting plate 15 is fixedly installed. On the top of the cover body 7, a second motor 6 is fixedly installed. One end of the threaded rod 14 penetrates through the inner top of the cover body 7 and is fixedly connected to the output shaft of the second motor 6. Two connecting rods 8 that penetrate through the top plate 5 and are slidably connected thereto are provided on the top plate 5. One end of each of the two connecting rods 8 is fixedly connected to the bottom of the lifting plate 15. The other ends of the two connecting rods 8 are fixedly connected to the same mounting plate 9. A round rod 16 located inside the heat-insulating pipe 18 is fixedly installed at the bottom of the mounting plate 9. A sliding groove 17 is formed on the outer side wall of the round rod 16. The sliding groove 17 is arc-shaped and extends along the axial direction of the round rod 16. The sliding block 20 is located in the sliding groove 17 and is slidably connected to the inner wall of the sliding groove 17.

[0022] When the present utility model is in use, the hot air generated by the air compressor is introduced into the heat-insulating box body 10 through the inlet pipe 19 and finally discharged from the left intake pipe 11 in the appendix Figure 3 The discharged hot air passes through the spiral pipe 25 in the left water storage tank 2 in the appendix Figure 1 and is finally discharged through the exhaust pipe 12, so as to be able to heat the water in the left water storage tank 2 and realize the recycling of heat. By setting the first motor 3, the connecting shaft 23 and the stirring rod 22 can be rotated, so as to stir the water in the water storage tank 2 and make the heating uniform. When the water in the left water storage tank 2 is heated for a period of time and its temperature is too high to continue recycling the hot air, at this time, by starting the second motor 6 to rotate the threaded rod 14, and then the lifting plate 15, the connecting rod 8, the mounting plate 9 and the round rod 16 in the appendix Figure 3 move linearly upward, so that the sliding block 20 slides in the sliding groove 17, and finally the heat-insulating pipe 18 rotates clockwise by a certain angle in the appendix Figure 3 The heat-insulating pipe 18 drives the heat-insulating plate 21 to rotate, so that the inlet pipe 19 is communicated with the right intake pipe 11 in the appendix Figure 3 so that the hot air enters the appendix Figure 1Inside the spiral tube 25 in the right-side water storage tank 2, the water in the right-side water storage tank 2 is heated. At this time, by setting the water inlet pipe 24 and the drain pipe 13, the water in the left-side water storage tank 2 can be replaced. After the water in the right-side water storage tank 2 is heated for a period of time, the round rod 16 is moved straight downward again by the second motor 6, and the heat insulation pipe 18 is rotated counterclockwise by a certain angle so that the inlet pipe 19 is connected to the left-side air inlet pipe 11 again, and so on. The recycling of heat is realized.

[0023] The above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A heat recovery device for energy saving of an air compressor, comprising a base plate (1), characterized in that: A vertical plate (4) is fixedly mounted on the top of the bottom plate (1), a top plate (5) is fixedly mounted on the top of the vertical plate (4), a heat-insulating box body (10) fixedly connected to the vertical plate (4) is arranged below the top plate (5), water storage tanks (2) are arranged on both sides of the heat-insulating box body (10), recovery mechanisms are arranged on the two water storage tanks (2), and a conversion mechanism is arranged above the bottom plate (1).

2. The heat recovery device for energy saving of an air compressor according to claim 1, characterized in that: The recovery mechanism comprises a spiral tube (25) arranged inside the water tank (2), one end of the spiral tube (25) is provided with an exhaust pipe (12), the other end of the spiral tube (25) is provided with an intake pipe (11), the inner top of the water tank (2) is rotatably connected to a connecting shaft (23), an outer side wall of the connecting shaft (23) is fixedly mounted with a stirring rod (22), the top of the water tank (2) is fixedly mounted with a first motor (3), one end of the connecting shaft (23) passes through the inner top of the water tank (2) and is fixedly connected to the output shaft of the first motor (3).

3. The heat recovery device for energy saving of an air compressor according to claim 2, characterized in that: The conversion mechanism comprises an insulation tube (18) which is arranged through the top of the insulation box body (10) and is rotatably connected thereto; two symmetrically arranged insulation plates (21) are fixedly mounted on the outer wall of the insulation tube (18); the two insulation plates (21) are slidably connected to the inner wall of the insulation box body (10); an inlet pipe (19) connected to the interior of the insulation box body (10) is arranged on the insulation box body (10); one end of the two air inlet pipes (11) are connected to the insulation box body (10); a sliding block (20) is fixedly mounted on the inner wall of the insulation tube (18); a cover body (7) is fixedly mounted on the top of the top plate (5); a threaded rod (19) is rotatably connected between the inner top of the cover body (7) and the top of the top plate (5); 4), a lifting plate (15) is fixedly mounted on the outer wall of the threaded rod (14), a second motor (6) is fixedly mounted on the top of the cover body (7), one end of the threaded rod (14) passes through the inner top of the cover body (7) and is fixedly connected to the output shaft of the second motor (6), two connecting rods (8) slidably connected thereto are penetrated through the top plate (5), one end of the two connecting rods (8) are fixedly connected to the bottom of the lifting plate (15), the other ends of the two connecting rods (8) are fixedly connected to the same mounting plate (9), a round rod (16) located in the insulation tube (18) is fixedly mounted on the bottom of the mounting plate (9), and a sliding groove (17) is provided on the outer wall of the round rod (16).

4. The heat recovery device for energy saving of an air compressor according to claim 2, characterized in that: The air inlet pipe (11) and the air outlet pipe (12) both extend to the outside of the water storage tank (2).

5. The heat recovery device for energy saving of an air compressor according to claim 3, characterized in that: The sliding groove (17) is arc-shaped and extends along the axial direction of the round rod (16); the sliding block (20) is located in the sliding groove (17) and is slidably connected to the inner wall of the sliding groove (17).

6. The heat recovery device for energy saving of an air compressor according to claim 2, characterized in that: The water storage tank (2) is provided with a drainage pipe (13) and a water inlet pipe (24) which are connected to the interior of the water storage tank (2).