Waste heat recovery device of air compressor

Abstract

The utility model relates to the technical field of waste heat recovery, and discloses a waste heat recovery device of an air compressor, which comprises a bottom plate, four supporting columns are fixedly connected to the upper surface of the bottom plate, and a recovery box is fixedly connected to the top ends of the four supporting columns. The upper surface of the bottom plate is fixedly connected with a filter box, the surface of the filter box is communicated with an air inlet pipe, the upper surface of the filter box is fixedly provided with an air pump, the air inlet end of the air pump is communicated with the air outlet end of the filter box, the air outlet end of the air pump is communicated with an air outlet pipe, and the air outlet pipe extends into the recycling box; when the device is used, some impurity particles and oil gas possibly mixed in hot air can be filtered and absorbed, the cleanliness of the hot air is guaranteed, meanwhile, water can be continuously stirred, the water is evenly heated, and therefore heat dissipated by the hot air is fully utilized.

Description

Technical Field

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

[0002] An air compressor is a device used to compress gas. The structure of an air compressor is similar to that of a water pump. Most air compressors are reciprocating piston type, with rotating blades or rotating screws. When working, air compressors will discharge waste gas with a large amount of heat. Directly discharging it to the outside will cause energy waste, so an air compressor waste heat recovery device is needed.

[0003] A device for recycling waste heat of an air compressor, which is searched for announcement number CN 207864122 U, comprises a first bracket, a first box, a first net frame, a sponge block, a first fixing mechanism, a first connecting pipe, a second bracket, a second box, a second net frame, activated carbon, a second connecting pipe, a third box, a box cover, a second fixing mechanism, a water supply pipe, a first valve, a water outlet pipe and a second valve; the air compressor body is placed on the ground. The utility model achieves the effects of environmental protection and high utilization rate.

[0004] However, the above device still has some shortcomings during use. The utilization efficiency of hot air is low. When hot air contacts water for heating, water that is closer to the hot air is heated faster and at a higher temperature, but water that is farther away from the hot air cannot be effectively heated, resulting in the hot air being lost in vain and unable to be effectively utilized, making it inconvenient to use. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a waste heat recovery device for an air compressor, which solves the problem of low utilization efficiency of hot air. When hot air contacts water for heating, water that is closer to the hot air is heated faster and at a higher temperature, but water that is farther away from the hot air cannot be effectively heated, resulting in the hot air being lost in vain and unable to be effectively utilized, making it inconvenient to use.

[0006] The utility model provides the following technical scheme: a waste heat recovery device for an air compressor, comprising a bottom plate, four support columns are fixedly connected to the upper surface of the bottom plate, a recovery box is fixedly connected to the upper surface of the bottom plate, an air intake pipe is connected to the surface of the filter box, an air pump is fixedly installed on the upper surface of the filter box, the air intake end of the air pump is connected to the air outlet end of the filter box, the air outlet end of the air pump is connected to the air outlet pipe, the air outlet pipe extends to the interior of the recovery box, and one end of the air outlet pipe located in the interior of the recovery box extends to the top of the recovery box, a driving gear is rotatably connected to the lower surface of the recovery box, four driven gears are rotatably connected to the lower surface of the recovery box, and the four driven gears are all meshed with the driving gear, and the internal bottom wall of the recovery box is rotatably connected to four stirring rods, and the surfaces of the four stirring rods are fixedly connected to a plurality of stirring plates, and the bottom ends of the four stirring rods penetrate the bottom wall of the connected recovery box and are fixedly connected to the corresponding driven gears respectively.

[0007] Preferred technical solution 1: A driving motor is fixedly connected to the upper surface of the base plate, and an output end of the driving motor is fixedly connected to the driving gear.

[0008] This solution can drive the stirring rod to stir and mix the water by the rotation of the driving motor, so that the water is heated more evenly and the heat is recovered and utilized more fully.

[0009] Preferred technical solution 2: A portion of the air outlet pipe located inside the recovery box is configured as a spiral tube, and a plurality of through holes are provided on the surface of each stirring plate.

[0010] This solution can prolong the time that hot air is in contact with water in the recovery box, enhance the recycling of hot air, and at the same time, the through holes provided have a better stirring effect on water.

[0011] Preferred technical solution three: two side walls inside the filter box are fixedly connected to two slide rails, a slide sleeve is slidably sleeved on the surface of each slide rail, and a filter plate is fixedly connected between the corresponding two slide sleeves.

[0012] This solution can facilitate the replacement and cleaning of the filter plate.

[0013] Preferred technical solution four: the two filter plates are respectively a glass fiber filter plate and a PTFE filter plate, a sealing door is provided on the surface of the filter box, a handle is fixedly connected to the sealing door, and a door lock is provided on the sealing door.

[0014] This solution can achieve better filtering effect of the high temperature resistant filter plate on hot air.

[0015] Preferred technical solution five: A controller is fixedly mounted on the upper surface of the base plate, and the controller is electrically connected to the air pump and the drive motor.

[0016] This solution can facilitate the control of various components and is easy to use.

[0017] Compared with the prior art, the utility model provides a waste heat recovery device for an air compressor, which has the following beneficial effects: when in use, an appropriate amount of water is injected into the interior of the recovery box, and then the air inlet pipe on the filter box is connected to the air compressor. The hot air generated by the air compressor passes through two filter plates to filter some particulate impurities in the hot air, ensuring that the hot air is discharged cleanly and pollution-free. At the same time, the pipeline of the device is protected to prevent impurities and oil and gas mixed in the hot air from damaging the pipeline. The hot air is transported to the interior of the recovery box after filtering, and the contact time between the hot air and the water is extended through the spiral pipe in the recovery box, so that the heat is better utilized. During the heating process, the controller controls the driving motor to rotate, thereby driving the active gear to rotate, thereby driving the four driven gears to rotate, thereby driving the stirring rod and the stirring plate to stir the water, so that the hot air heats the water more evenly, avoiding the problem that the heat at the contact point between the water and the spiral tube is too high and the heat at other positions cannot be contacted, and better utilizing and absorbing the heat of the hot air. When in use, the device can filter and absorb some impurity particles and oil and gas that may be mixed in the hot air to ensure the cleanliness of the hot air. At the same time, the water can be continuously stirred to make it heated evenly, thereby making full use of the heat emitted by the hot air. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a bottom view of the bottom structure of the recycling box of the utility model;

[0020] Figure 3 This is a cutaway view of the internal structure of the recycling box of the utility model;

[0021] Figure 4 This is a cross-sectional view of the internal structure of the filter box of the present utility model.

[0022] In the figure: 1. bottom plate; 2. support column; 3. recovery box; 4. filter box; 5. air pump; 6. outlet pipe; 7. driving gear; 8. driven gear; 9. stirring rod; 10. stirring plate; 11. driving motor; 12. slide rail; 13. sliding sleeve; 14. filter plate; 15. sealing door; 16. handle; 17. controller; 18. air inlet pipe; 19. through hole. DETAILED DESCRIPTION

[0023] See also Figure 1-4 ,

[0024] Embodiment 1: A waste heat recovery device for an air compressor, comprising a base plate 1, four support columns 2 are fixedly connected to the upper surface of the base plate 1, a recovery box 3 is fixedly connected to the top of the four support columns 2, a filter box 4 is fixedly connected to the upper surface of the base plate 1, an air inlet pipe 18 is connected to the surface of the filter box 4, an air pump 5 is fixedly installed on the upper surface of the filter box 4, an air inlet end of the air pump 5 is connected to an air outlet end of the filter box 4, an air outlet end of the air pump 5 is connected to an air outlet pipe 6, the air outlet pipe 6 extends to the interior of the recovery box 3, and the air outlet pipe 6 is located at One end inside the recycling box 3 extends to the top of the recycling box 3, and a driving gear 7 is rotatably connected to the lower surface of the recycling box 3. Four driven gears 8 are rotatably connected to the lower surface of the recycling box 3, and the four driven gears 8 are meshed with the driving gear 7. Four stirring rods 9 are rotatably connected to the inner bottom wall of the recycling box 3, and a plurality of stirring plates 10 are fixedly connected to the surfaces of the four stirring rods 9. The bottom ends of the four stirring rods 9 pass through the bottom wall of the connected recycling box 3 and are fixedly connected to the corresponding driven gears 8 respectively.

[0025] Embodiment 2: The difference between this embodiment and embodiment 1 is that a driving motor 11 is fixedly connected to the upper surface of the base plate 1, and the output end of the driving motor 11 is fixedly connected to the driving gear 7. The rotation of the driving motor 11 drives the stirring rod 9 to stir and mix the water, so that the water is heated more evenly and the heat is recovered and utilized more fully.

[0026] Embodiment 3: The difference between this embodiment and embodiment 1 is that a part of the air outlet pipe 6 located inside the recovery box 3 is configured as a spiral tube, and a plurality of through holes 19 are provided on the surface of each stirring plate 10, which prolongs the contact time between the hot air and the water in the recovery box 3 and enhances the recycling of the hot air. At the same time, the through holes 19 provided have a better stirring effect on the water.

[0027] Embodiment 4: The difference between this embodiment and embodiment 1 is that, the inner side walls of the filter box 4 are fixedly connected with two slide rails 12, the surface of each slide rail 12 is slidably sleeved with a sliding sleeve 13, and filter plates 14 are fixedly connected between the corresponding two sliding sleeves 13, so as to facilitate the replacement and cleaning of the filter plates 14.

[0028] Embodiment 5: The difference between this embodiment and embodiment 1 is that the two filter plates 14 are respectively a glass fiber filter plate and a PTFE filter plate, a sealing door 15 is provided on the surface of the filter box 4, a handle 16 is fixedly connected to the sealing door 15, and a door lock is provided on the sealing door 15, and the high temperature resistant filter plate has a better filtering effect on hot air.

[0029] Embodiment 6: The difference between this embodiment and embodiment 1 is that a controller 17 is fixedly mounted on the upper surface of the base plate 1, and the controller 17 is electrically connected to the air pump 5 and the drive motor 11, so as to facilitate the control of various components and facilitate use.

[0030] In summary, when the waste heat recovery device of the air compressor is used, a proper amount of water is injected into the recovery box 3, and then the air inlet pipe 18 on the filter box 4 is connected to the air compressor. The hot air generated by the air compressor passes through the two filter plates 14 to filter some particulate impurities in the hot air, ensuring that the hot air is discharged cleanly and pollution-free. At the same time, the pipeline of the device is protected to prevent impurities and oil and gas mixed in the hot air from damaging the pipeline. The hot air is transported to the inside of the recovery box 3 after filtering, and the contact time between the hot air and the water is extended through the spiral tube in the recovery box 3, so that the heat is better utilized. In the process of heating the water, by controlling The device 17 controls the driving motor 11 to rotate, thereby driving the driving gear 7 to rotate, thereby driving the four driven gears 8 to rotate, thereby driving the stirring rod 9 and the stirring plate 10 to stir the water, so that the hot air heats the water more evenly, avoiding the problem that the heat at the position where the water contacts the spiral tube is too high and the heat at other positions cannot be contacted, and better utilizing and absorbing the heat of the hot air. When the device is in use, some impurity particles and oil gas that may be mixed in the hot air can be filtered and absorbed to ensure the cleanliness of the hot air. At the same time, the water can be continuously stirred to make it heated evenly, thereby making full use of the heat emitted by the hot air.

Claims

1. A waste heat recovery device for an air compressor, comprising a base plate (1), characterized in that: The upper surface of the bottom plate (1) is fixedly connected to four support columns (2), the top ends of the four support columns (2) are fixedly connected to a recovery box (3), the upper surface of the bottom plate (1) is fixedly connected to a filter box (4), the surface of the filter box (4) is connected to an air inlet pipe (18), the upper surface of the filter box (4) is fixedly installed with an air pump (5), the air inlet end of the air pump (5) is connected to the air outlet end of the filter box (4), the air outlet end of the air pump (5) is connected to an air outlet pipe (6), the air outlet pipe (6) extends to the interior of the recovery box (3), and the air outlet pipe (6) is located inside the recovery box (3). One end of the part extends to the top of the recycling box (3); the lower surface of the recycling box (3) is rotatably connected to a driving gear (7); the lower surface of the recycling box (3) is rotatably connected to four driven gears (8); the four driven gears (8) are meshed with the driving gear (7); the inner bottom wall of the recycling box (3) is rotatably connected to four stirring rods (9); the surfaces of the four stirring rods (9) are fixedly connected to a plurality of stirring plates (10); the bottom ends of the four stirring rods (9) penetrate the bottom wall of the connected recycling box (3) and are fixedly connected to the corresponding driven gears (8).

2. The waste heat recovery device for an air compressor according to claim 1, characterized in that: A driving motor (11) is fixedly connected to the upper surface of the base plate (1), and an output end of the driving motor (11) is fixedly connected to the driving gear (7).

3. The waste heat recovery device for an air compressor according to claim 1, characterized in that: A portion of the air outlet pipe (6) located inside the recovery box (3) is configured as a spiral tube, and a plurality of through holes (19) are provided on the surface of each stirring plate (10).

4. The waste heat recovery device for an air compressor according to claim 1, characterized in that: Two side walls inside the filter box (4) are fixedly connected to two slide rails (12), a slide sleeve (13) is slidably sleeved on the surface of each slide rail (12), and a filter plate (14) is fixedly connected between the two corresponding slide sleeves (13).

5. The waste heat recovery device for an air compressor according to claim 4, characterized in that: The two filter plates (14) are respectively a glass fiber filter plate and a PTFE filter plate. A sealing door (15) is provided on the surface of the filter box (4). A handle (16) is fixedly connected to the sealing door (15). The sealing door (15) is provided with a door lock.

6. The waste heat recovery device for an air compressor according to claim 2, characterized in that: A controller (17) is fixedly mounted on the upper surface of the base plate (1), and the controller (17) is electrically connected to the air pump (5) and the drive motor (11).

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