Air compressor waste heat utilization heat storage system

Abstract

The utility model discloses an air compressor waste heat utilization heat storage system, and particularly relates to the technical field of energy storage. And the heat storage assembly comprises a box body, a hollow column is installed in the box body, a spiral pipe is arranged in the hollow column, the hollow column is filled with a paraffin phase change material, and the front side of the bottom end of the spiral pipe fixedly communicates with an input pipe. Cold water is conveyed into the coil pipe through the water pump via the inlet pipe, then the coil pipe absorbs heat by the aid of the hollow column and the paraffin phase-change material, and formed hot water is discharged through the outlet pipe. 80% of the exhaust heat of the air compressor can be recycled, and the shaft power of the air compressor is about 60-70%. The device not only recycles the waste heat of the air compressor, but also solves the problem that the waste heat is generated and utilized at different time and in different quantities, and the paraffin phase change energy storage process is mature, the phase change temperature is stable, the latent heat is large, and the process is easy to control.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage, and more specifically to a heat storage system for utilizing waste heat of an air compressor. Background Art

[0002] When the air compressor is running, the electricity actually consumed to increase the potential energy of the air only accounts for a small part of the total power consumption of the air compressor, about 15%, and about 85% of the electricity is converted into heat, which is eventually discharged into the air through air cooling or water cooling. This heat is wasted and causes thermal pollution, exacerbating the atmospheric "greenhouse effect".

[0003] Conventional air compressor waste heat utilization usually uses a heat exchanger to recover the exhaust heat for production or life. Specific uses mainly include boiler water preheating, providing workshop drying warm air, domestic hot water, heating, etc. However, both the generation and utilization of air compressor waste heat are unstable. Although the air compressor is basically in continuous operation, the load fluctuates greatly. The fluctuation range of centrifugal air compressors is 70-100%, and the fluctuation range of screw air compressors is even greater. Therefore, the waste heat of compressed air is also fluctuating. On the other hand, when the boiler is shut down for maintenance, the workshop is not running at night, and there will be no heating in summer, there will be no place to dissipate the waste heat. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an air compressor waste heat utilization heat storage system, in which cold water is transported to the inside of the coil through the water pump through the inlet pipe, and then the coil absorbs heat with the help of hollow columns and paraffin phase change materials to form hot water and discharge it through the outlet pipe. 80% of the exhaust heat of the air compressor can be recycled, which is equivalent to about 60-70% of the shaft power of the air compressor. The utility model not only recycles the waste heat of the air compressor, but also solves the problem of different times and amounts of waste heat generation and utilization, and the paraffin phase change energy storage technology is mature, the phase change temperature is stable, the latent heat is large, and the process is easy to control, so as to solve the problems arising from the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat storage system for utilizing waste heat of an air compressor, comprising a heat storage component for utilizing waste heat of an air compressor;

[0006] The heat storage assembly comprises a box body, a hollow column is installed inside the box body, a spiral tube and a paraffin phase change material are arranged inside the hollow column, an input tube is fixedly connected to the front side of the bottom end of the spiral tube, the input tube is connected to the air compressor, and an output tube is fixedly connected to the rear side of the top end of the spiral tube, and the ends of the output tube and the input tube away from the spiral tube pass through the hollow column and the box body in sequence and extend to the front and rear sides of the box body respectively;

[0007] A coil is wound around the outside of the hollow column, an inlet pipe is fixedly connected to the front side of the top of the coil, and an outlet pipe is fixedly connected to the rear side of the bottom of the coil. The ends of the inlet pipe and the outlet pipe away from the coil both penetrate the box and extend to the front and rear sides of the box respectively.

[0008] In a preferred embodiment, a first valve is installed on the outside of the inlet pipe, and a second valve is installed on the outside of the outlet pipe. Through the setting of the first valve and the second valve, the transportation of the inlet pipe and the outlet pipe can be opened and closed to improve the convenience of the staff in opening and closing the inlet pipe and the outlet pipe.

[0009] In a preferred embodiment, a water pump is provided on the front side of the first valve, and the water pump is installed on the outside of the inlet pipe. A support plate is provided at the bottom end of the water pump, and the rear end of the support plate is fixedly connected to the front side of the box body. Through the setting of the water pump, cold water can be transported to the inside of the box body for heating when waste heat is needed.

[0010] In a preferred embodiment, material holes are formed through the top and bottom of the hollow column, and the positions of the two material holes correspond to each other up and down. Through the up and down correspondence of the positions of the two material holes, when the staff opens the cover, the paraffin phase change material in the hollow column will fall out directly from the bottom due to gravity, thereby making it convenient for the staff to fill and replace the paraffin phase change material in the hollow column.

[0011] In a preferred embodiment, sealing holes are formed through the top and bottom ends of the box body, the sealing holes correspond to the positions of the material holes in upper and lower directions, a sealing cover is threadedly connected to the inside of the sealing hole, and the sealing cover extends to the inside of the material hole at one end close to the box body. The setting of the sealing holes makes it convenient for staff to replace the paraffin phase change material, and the setting of the sealing cover makes it convenient for staff to seal the box body to avoid leakage of the paraffin phase change material.

[0012] In a preferred embodiment, fixing plates are fixed on both sides of the bottom end of the box body, and the bottom ends of the two fixing plates are provided with the same fixing seat. The bottom end of the fixing plate is fixedly connected to the top of the fixing seat. Through the arrangement of the two fixing plates and the fixing seat, it is convenient to support and fix the box body to ensure the stability of the box body.

[0013] In a preferred embodiment, a buffer pad is installed at the bottom end of the fixing seat. The buffer pad is arranged to buffer the impact on the box body, thereby preventing the stability of the box body from being affected by excessive impact.

[0014] Technical effects and advantages of the utility model:

[0015] The cold water is pumped into the coil through the inlet pipe, and then the coil absorbs heat with the help of the hollow column and the paraffin phase change material, forming hot water and discharged through the outlet pipe. 80% of the exhaust heat of the air compressor can be recycled, which is equivalent to about 60-70% of the shaft power of the air compressor. The utility model not only recycles the waste heat of the air compressor, but also solves the problem of different times and amounts of waste heat generation and utilization. In addition, the paraffin phase change energy storage process is mature, the phase change temperature is stable, the latent heat is large, and the process is easy to control. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a rear view of the box body of the utility model;

[0018] Figure 3 This is an exploded view of the box of the utility model;

[0019] Figure 4 It is a side sectional view of the box body of the utility model;

[0020] Figure 5 It is the front view of the hollow column of the utility model.

[0021] The accompanying drawings are marked as follows: 1. box body; 2. hollow column; 3. spiral tube; 4. input pipe; 5. output pipe; 6. coil; 7. inlet pipe; 8. outlet pipe; 9. first valve; 10. second valve; 11. water pump; 12. support plate; 13. material hole; 14. sealing hole; 15. sealing cover; 16. fixing plate; 17. fixing seat; 18. buffer pad. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Refer to the instruction manual Figure 1-5 , the utility model provides a heat storage system for utilizing waste heat of an air compressor, including a heat storage component for utilizing waste heat of an air compressor;

[0024] like Figure 1-5As shown, the heat storage component includes a box body 1, a hollow column 2 is installed inside the box body 1, a spiral tube 3 and a paraffin phase change material are arranged inside the hollow column 2, an input pipe 4 is fixedly connected to the front side of the bottom end of the spiral tube 3, the input pipe 4 is connected to the air compressor, and an output pipe 5 is fixedly connected to the rear side of the top end of the spiral tube 3, and the output pipe 5 and the end of the input pipe 4 away from the spiral tube 3 pass through the hollow column 2 and the box body 1 in sequence and extend to the front and rear sides of the box body 1 respectively; a coil 6 is wound around the outside of the hollow column 2, the front side of the top end of the coil 6 is fixedly connected to the inlet pipe 7, and the rear side of the bottom end of the coil 6 is fixedly connected to the outlet pipe 8, and the ends of the inlet pipe 7 and the outlet pipe 8 away from the coil 6 pass through the box body 1 and extend to the front and rear sides of the box body 1 respectively.

[0025] like Figure 1-5 As shown, a first valve 9 is installed on the outside of the inlet pipe 7, and a second valve 10 is installed on the outside of the outlet pipe 8. Through the setting of the first valve 9 and the second valve 10, the delivery of the inlet pipe 7 and the outlet pipe 8 can be opened and closed to improve the convenience of the staff to open and close the inlet pipe 7 and the outlet pipe 8. A water pump 11 is provided on the front side of the first valve 9, and the water pump 11 is installed on the outside of the inlet pipe 7. A support plate 12 is provided at the bottom end of the water pump 11, and the rear end of the support plate 12 is fixedly connected to the front side of the box body 1. Through the setting of the water pump 11, it is convenient to transport cold water to the inside of the box body 1 for heating and temperature rise when waste heat is needed.

[0026] like Figure 5 As shown, the top and bottom ends of the hollow column 2 are penetrated by material holes 13, and the positions of the two material holes 13 correspond to each other up and down. Through the up and down correspondence of the positions of the two material holes 13, when the staff opens the cover 15, the paraffin phase change material in the hollow column 2 will fall directly from the bottom due to gravity, thereby making it convenient for the staff to fill and replace the paraffin phase change material in the hollow column 2.

[0027] like Figure 1-4 As shown, sealing holes 14 are formed through the top and bottom of the box body 1, and the sealing holes 14 correspond to the positions of the material holes 13 in upper and lower directions. A sealing cover 15 is threadedly connected to the inside of the sealing hole 14, and one end of the sealing cover 15 close to the box body 1 extends to the inside of the material hole 13. The setting of the sealing holes 14 makes it convenient for the staff to replace the paraffin phase change material, and the setting of the sealing cover 15 makes it convenient for the staff to seal the box body 1 to avoid leakage of the paraffin phase change material.

[0028] like Figure 1 and 2As shown, fixing plates 16 are fixedly provided on both sides of the bottom end of the box body 1, and the bottom ends of the two fixing plates 16 are provided with the same fixing seat 17, and the bottom ends of the fixing plates 16 are fixedly connected to the top of the fixing seat 17. Through the arrangement of the two fixing plates 16 and the fixing seat 17, it is convenient to support and fix the box body 1 to ensure the stability of the box body 1, and a buffer pad 18 is installed at the bottom end of the fixing seat 17. Through the arrangement of the buffer pad 18, it is convenient to buffer the impact on the box body 1 to avoid excessive impact affecting the stability of the box body 1.

[0029] The high-temperature compressed air discharged from the air compressor is transported to the inside of the spiral tube 3 through the delivery pipe and reacts with the paraffin phase change material, and then the cold compressed air is discharged through the output pipe 5. When the waste heat is not needed, the heat is stored in the utility model. When the waste heat is needed, the user uses the water pump 11 to transport cold water to the inside of the coil 6 through the inlet pipe 7, and then the coil 6 absorbs the heat with the help of the hollow column 2 and the paraffin phase change material to form hot water and discharge it through the outlet pipe 8. 80% of the exhaust heat of the air compressor can be recycled, which is equivalent to about 60-70% of the shaft power of the air compressor. The utility model not only recycles the waste heat of the air compressor, but also solves the problem of different times and amounts of waste heat generation and utilization, and the paraffin phase change energy storage technology is mature, the phase change temperature is stable, the latent heat is large, and the process is easy to control.

[0030] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A heat storage system for utilizing waste heat from an air compressor. Features: It includes a heat storage component for utilizing waste heat from an air compressor; The heat storage assembly comprises a box (1), a hollow column (2) is installed inside the box (1), a spiral tube (3) and a paraffin phase change material are arranged inside the hollow column (2), an input tube (4) is fixedly connected to the front side of the bottom end of the spiral tube (3), the input tube (4) is connected to the air compressor, and an output tube (5) is fixedly connected to the rear side of the top end of the spiral tube (3), and the output tube (5) and the end of the input tube (4) away from the spiral tube (3) both pass through the hollow column (2) and the box (1) in sequence and extend to the front and rear sides of the box (1) respectively; A coil (6) is wound around the outside of the hollow column (2); the front side of the top end of the coil (6) is fixedly connected to an inlet pipe (7); the rear side of the bottom end of the coil (6) is fixedly connected to an outlet pipe (8); the ends of the inlet pipe (7) and the outlet pipe (8) away from the coil (6) both penetrate the box (1) and extend to the front and rear sides of the box (1) respectively.

2. The air compressor waste heat utilization and heat storage system according to claim 1, Features: A first valve (9) is installed outside the inlet pipe (7), and a second valve (10) is installed outside the outlet pipe (8).

3. The air compressor waste heat utilization and heat storage system according to claim 2, Features: A water pump (11) is provided on the front side of the first valve (9), and the water pump (11) is installed outside the inlet pipe (7). A support plate (12) is provided at the bottom end of the water pump (11), and the rear end of the support plate (12) is fixedly connected to the front side of the box body (1).

4. The air compressor waste heat utilization and heat storage system according to claim 1, Features: The top and bottom ends of the hollow column (2) are both penetrated by material holes (13), and the positions of the two material holes (13) correspond to each other up and down.

5. The air compressor waste heat utilization and heat storage system according to claim 4, Features: The top and bottom ends of the box body (1) are both penetrated by sealing holes (14), the sealing holes (14) correspond to the positions of the material holes (13) in the upper and lower parts, the sealing holes (14) are internally threadedly connected with a sealing cover (15), and the sealing cover (15) extends from one end close to the box body (1) to the inside of the material hole (13).

6. The air compressor waste heat utilization and heat storage system according to claim 1, Features: Fixed plates (16) are fixedly provided on both sides of the bottom end of the box body (1), and the bottom ends of the two fixed plates (16) are provided with a same fixed seat (17), and the bottom ends of the fixed plates (16) are fixedly connected to the tops of the fixed seats (17).

7. The air compressor waste heat utilization and heat storage system according to claim 6, Features: A buffer pad (18) is installed at the bottom end of the fixing seat (17).

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