Waste heat recovery device of air compressor

Abstract

The utility model discloses an air compressor waste heat recovery device which comprises a heat exchange box, an air compressor body is arranged on one side of the heat exchange box, a heat exchange pipe is wound in the heat exchange box, the two ends of the heat exchange pipe are connected with the oil inlet end and the oil outlet end of the air compressor body, a mounting groove is formed in the heat exchange box, a dismounting plate is arranged on the mounting groove, and a mounting strip is arranged on the mounting groove. Mounting cavities matched with the mounting strips are formed in the dismounting plates, waterproof cotton cloth is arranged between the mounting strips and the mounting cavities, cover plates are arranged on the dismounting plates and the heat exchange box in the mounting grooves, and hot oil generated during working of the air compressor body exchanges heat with water in the heat exchange box after entering the heat exchange pipes. The hot oil is cooled while the water is heated, and the detachable cover plate and the detachable plate are arranged on the heat exchange box, so that scale on the heat exchange pipe in the heat exchange box can be cleaned conveniently, and the situation that the scale is attached to the heat exchange pipe to affect the heat exchange efficiency of the heat exchange pipe is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a waste heat recovery technical field more specifically, it relates to a kind of air compressor waste heat recovery device. BACKGROUND

[0002] Air compressor is widely used in industrial production, for providing compressed air, however, in the process of compressed air, due to gas compression and friction and other factors, a large amount of heat energy will be generated, these heat energy is usually discharged to the environment through lubricating oil, not only waste energy, but also increase the operating cost of enterprise, therefore, air compressor waste heat recovery technology emerges as the times require, aims at effectively utilizing these waste heat, improves energy utilization efficiency, reduces energy consumption, reduces environmental pollution.

[0003] By injecting cold water into heat exchange box, high-temperature lubricating oil flowing in heat exchange pipe is used to heat cold water to absorb the heat carried out from air compressor, to realize waste heat recovery and utilization, however, in the process of heating cold water, scale is continuously generated, these scale will adhere to the outer wall of heat exchange pipe and the inner wall of heat exchange box, after scale adheres to the outer wall of heat exchange pipe, it will seriously affect heat exchange efficiency, leading to the efficiency of waste heat recovery significantly reduces, and water flowing into heat exchange box is not filtered, and it will be mixed with many impurities, impurities are easy to accumulate in heat exchange box, increases the cost and burden of later maintenance of heat exchange box. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the problems existing in the prior art, the utility model provides an air compressor waste heat recovery device to solve the technical problem that heat exchange box and heat exchange pipe are easy to adhere scale and affect heat exchange efficiency mentioned in the background art.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model provides the following technical scheme: an air compressor waste heat recovery device, comprising a heat exchange box, the heat exchange box is provided with an air compressor main body on one side, heat exchange pipes are coiled in the heat exchange box, the two ends of the heat exchange pipes are connected with the oil inlet and outlet ends of the air compressor main body, an installation groove is arranged on the heat exchange box, a dismounting plate is arranged on the installation groove, an installation strip is arranged on the installation groove, an installation cavity matched with the installation strip is arranged on the dismounting plate, waterproof cotton cloth is arranged between the installation strip and the installation cavity, a cover plate is arranged on the dismounting plate and the heat exchange box in the installation groove, a water inlet pipe and a filter box are arranged on the cover plate, a filter plate is arranged in the filter box, filter screen holes are arranged on the filter plate, a cleaning frame is arranged on the bottom of the filter plate, a dredging plate is slidably arranged on the cleaning frame, dredging rods matched with the filter screen holes are arranged on the dredging plate.

[0008] The utility model further sets up, install hole is established to the cover plate and heat exchange box, install bolt is established between the cover plate and heat exchange box, it is convenient to install the cover plate.

[0009] The utility model further sets up, waterproof strip is established to the joint of the dismounting plate and heat exchange box, has improved the connection sealing property between the dismounting plate and heat exchange box.

[0010] The utility model further sets up, thermometer is established to one side of heat exchange box, detects the temperature of water in heat exchange box.

[0011] The utility model further sets up, electromagnet is established on the cleaning frame, the dredging plate bottom is equipped with permanent magnet, and the electromagnet is electrified, and the dredging plate and dredging rod are driven to move upward through the repulsion between the magnet, and the filter screen hole is cleaned.

[0012] The utility model further sets up, scraper is established on the filter plate, both sides of the filter box are equipped with sliding groove, and the scraper is equipped with sliding block in the sliding groove, and the sliding block is moved in the sliding groove through the scraper, and the impurity on the filter plate is cleaned.

[0013] The utility model further sets up, and the sliding groove is rotationally equipped with moving screw rod, the moving screw rod is threadedly connected with the sliding block, and one side of the moving screw rod is equipped with moving motor, and the moving screw rod is driven to rotate through the moving motor, and the sliding block is moved in the sliding groove.

[0014] The utility model further sets up, and one side of the filter box is equipped with cleaning port, the baffle is equipped on the cleaning port, and the electric push rod is equipped on the baffle, and the baffle is moved in the vertical direction through the electric push rod, and the opening and closing of the cleaning port are controlled.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a kind of air compressor waste heat recovery device, with following beneficial effects:

[0017] 1, the heat exchange pipe in heat exchange box is connected with the inlet and outlet oil end of air compressor main body, and the hot oil generated by the working of air compressor main body enters into heat exchange pipe, and exchanges heat with the water in heat exchange box, heats the water while cooling the hot oil itself, and the temperature of water in heat exchange box is checked through thermometer, to discharge the water after heating in time, to prevent affecting the heat exchange effect of heat exchange box.

[0018] 2、Through setting detachable cover plate and dismounting plate on heat exchange box, it is convenient to clean scale on heat exchange tube in heat exchange box, prevent scale from adhering on heat exchange tube to affect heat exchange efficiency of heat exchange tube, meanwhile, through setting waterproof strip and waterproof cotton cloth, it is convenient to seal dismounting plate and heat exchange box, prevent water leakage.

[0019] 3、Through setting filter plate on filter box, it is convenient to filter water entering into heat exchange box, through setting dredging plate and dredging rod, it is convenient to dredge and clean filter screen hole, through moving motor and moving screw rod to drive sliding block to move, then drive scraper to move, it is convenient to clean impurities on filter plate, improve filter effect. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is whole structure schematic view of air compressor waste heat recovery device in the utility model;

[0021] Figure 2 It is cooperation structure explosion view of heat exchange box, dismounting plate and cover plate in the utility model;

[0022] Figure 3 It is Figure 2 It is local structure enlarged schematic view of A in the utility model;

[0023] Figure 4 It is internal structure schematic view of filter box in the utility model;

[0024] Figure 5 It is Figure 4 It is local structure enlarged schematic view of B in the utility model.

[0025] In the drawing: 1, heat exchange box;2, air compressor main body;3, heat exchange tube;4, installation groove;5, dismounting plate;6, installation strip;7, installation cavity;8, waterproof cotton cloth;9, cover plate;10, water inlet pipe;11, filter box;12, filter plate;13, filter screen hole;14, cleaning frame;15, dredging plate;16, dredging rod;17, installation hole;18, installation bolt;19, waterproof strip;20, thermometer;21, electromagnet;22, permanent magnet;23, scraper;24, sliding groove;25, sliding block;26, moving screw rod;27, moving motor;28, cleaning port;29, baffle;30, electric push rod. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0028] In the utility model, in the case where no opposite statement is made, the orientation such as "upper, lower" is usually for the direction shown in the drawing, or for the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is usually for the left and right shown in the drawing; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model.

[0029] Please refer to Figures 1-5 A kind of air compressor waste heat recovery device, including heat exchange box 1, air compressor main body 2 is equipped in one side of heat exchange box 1, coiled heat exchange pipe 3 is equipped in heat exchange box 1, the two ends of heat exchange pipe 3 are connected with the oil inlet and outlet end of air compressor main body 2, installation slot 4 is equipped on heat exchange box 1, dismounting plate 5 is equipped on installation slot 4, installation strip 6 is equipped on installation slot 4, installation cavity 7 that dismounting plate 5 is provided with and cooperates with installation strip 6 is set on dismounting plate 5, waterproof cotton cloth 8 is equipped between installation strip 6 and installation cavity 7, cover plate 9 is equipped in dismounting plate 5 and heat exchange box 1 in installation slot 4, water inlet pipe 10 and filter box 11 are equipped on cover plate 9, filter plate 12 is equipped in filter box 11, filter screen hole 13 is equipped on filter plate 12, cleaning frame 14 is equipped in the bottom of filter plate 12, dredging plate 15 is slidably equipped on cleaning frame 14, dredging rod 16 that dredging plate 15 is provided with and cooperates with filter screen hole 13 is set on dredging plate 15, mounting hole 17 is equipped on heat exchange box 1 and cover plate 9, mounting bolt 18 is equipped between cover plate 9 and heat exchange box 1, waterproof strip 19 is equipped at the joint of dismounting plate 5 and heat exchange box 1, thermometer 20 is equipped in one side of heat exchange box 1.

[0030] In the embodiment, when assembling the heat exchange device, the installation cavity 7 of the dismounting plate 5 is installed into the installation slot 4 through the installation strip 6, the connection sealing property of the installation cavity 7 and the installation strip 6 is improved through the waterproof cotton cloth 8, the connection sealing property of the joint of the dismounting plate 5 and the heat exchange box 1 is improved through the waterproof strip 19, then the cover plate 9 is buckled on the heat exchange box 1 and the dismounting plate 5, the position of the cover plate 9 is fixed through the cooperation of the mounting bolt 18 and the mounting hole 17, the two ends of the heat exchange pipe 3 are communicated with the oil inlet end and the oil outlet end of the air compressor main body 2 respectively, the water medium is introduced into the heat exchange box 1 through the filter device, the hot oil generated by the working of the air compressor main body 2 exchanges heat through the heat exchange pipe 3, the water in the heat exchange box 1 is heated, and the air compressor main body 2 is cooled at the same time, the flow distance and flow time of the hot oil in the heat exchange pipe 3 are prolonged through the coiled heat exchange pipe 3, the stability of the water is detected through the thermometer 20, when the water reaches a certain temperature, the hot water is discharged through the water outlet end of the heat exchange box 1.

[0031] Please refer to Figures 4-5As an embodiment of the filter box 11: the cleaning frame 14 is provided with an electromagnet 21, the bottom of the dredging plate 15 is provided with a permanent magnet 22, the filter plate 12 is provided with a scraper 23, the two sides of the filter box 11 are provided with sliding grooves 24, the sliding block 25 is arranged in the sliding groove 24, one of the sliding grooves 24 is rotatably provided with a moving screw 26, the moving screw 26 is threadedly connected with the sliding block 25, one side of the moving screw 26 is provided with a moving motor 27, one side of the filter box 11 is provided with a cleaning port 28, the cleaning port 28 is provided with a baffle 29, and the baffle 29 is provided with an electric push rod 30.

[0032] More specifically, when cold water is introduced into the heat exchange box 1, the water first passes through the filter screen holes 13 on the filter plate 12 for filtration when entering the filter box 11, and the impurities in the water are retained on the filter plate 12. After a period of filtration, when the water flow is not required, the electromagnet 21 is energized, and the electromagnet 21 generates a repulsive magnetic force after being energized, which supports the dredging plate 15 and the dredging rod 16 to move upward, thereby cleaning and dredging the filter screen holes 13. The cleaning frame 14 is rectangular in cross-section, which limits the movement direction of the dredging plate 15, so that the dredging rod 16 is aligned with the filter screen holes 13. After the electromagnet 21 is de-energized, the dredging plate 15 and the dredging rod 16 fall back, the moving motor 27 is started, the moving motor 27 drives the moving screw 26 to rotate, the moving screw 26 drives the sliding block 25 to slide in the sliding groove 24, and the scraper 23 is moved to clean the impurities on the filter plate 12. The electric push rod 30 controls the vertical movement of the baffle 29 to open the cleaning port 28, thereby facilitating the cleaning of the impurities scraped by the scraper 23.

[0033] In summary, when the overall device is in use or operation: during assembly of the heat exchange device, the installation cavity 7 of the disassembly plate 5 is installed into the installation slot 4 through the installation strip 6, the connection sealing between the installation cavity 7 and the installation strip 6 is improved by the waterproof cotton cloth 8, the connection sealing at the joint between the disassembly plate 5 and the heat exchange box 1 is improved by the waterproof strip 19, then the cover plate 9 is buckled on the heat exchange box 1 and the disassembly plate 5, the position of the cover plate 9 is fixed through the cooperation of the installation bolt 18 and the installation hole 17, the two ends of the heat exchange pipe 3 are respectively communicated with the oil inlet end and the oil outlet end of the air compressor body 2, the water medium is introduced into the heat exchange box 1 through the filter device, the hot oil generated by the operation of the air compressor body 2 exchanges heat through the heat exchange pipe 3 to heat the water in the heat exchange box 1 and cool itself, the flow distance and flow time of the hot oil in the heat exchange pipe 3 are prolonged by the coiled heat exchange pipe 3, and the stability of the water is detected by the thermometer 20. When the water reaches a certain temperature, hot water is discharged through the water outlet of the heat exchange box 1.

[0034] When cold water is introduced into the heat exchange box 1, the water enters the filter box 11 and is first filtered through the filter screen holes 13 on the filter plate 12, and the impurities in the water are retained on the filter plate 12. After a period of filtration, when the water flow is not required to pass through the filter, the electromagnet 21 is energized. After the electromagnet 21 is energized, a magnetic force repelling the permanent magnet 22 is generated. The permanent magnet 22 supports the unblocking plate 15 and the unblocking rod 16 to move upward to clean the filter screen holes 13. The cleaning frame 14 is rectangular in cross section, limiting the movement direction of the unblocking plate 15, so that the unblocking rod 16 is aligned with the filter screen holes 13. After the electromagnet 21 is de-energized, the unblocking plate 15 and the unblocking rod 16 fall back. The moving motor 27 is started, the moving motor 27 drives the moving screw 26 to rotate, the moving screw 26 drives the sliding block 25 to slide in the sliding groove 24, and then drives the scraper 23 to move to clean the impurities on the filter plate 12. The baffle 29 is controlled by the electric push rod 30 to move vertically to open the cleaning opening 28 to facilitate cleaning of the impurities scraped by the scraper 23.

[0035] The other parts not described in the utility model are all prior art, so they will not be described here.

[0036] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods. In this case, we will not go into detail. In the above, whenever there is a fixed connection, welding is preferred. Although embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirit of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

[0037] In all the above-mentioned solutions, if there is no explicit description, the electrical components are controlled by the controller. Since the controller is matched with common devices, its control principle and circuit connection are all known and mature technologies, and their electrical connection relationship and specific circuit structure will not be described here.

[0038] In all the above-mentioned solutions, if actual needs require, the motor can be matched with a speed reducer. The connection structure between the motor and the speed reducer and the working principle are all known technologies, and the utility model will not be described.

Claims

1. A waste heat recovery device for an air compressor, comprising a heat exchange box (1), characterized in that: The heat exchange box (1) is provided with an air compressor body (2) on one side, the heat exchange pipe (3) is coiled in the heat exchange box (1), the two ends of the heat exchange pipe (3) are connected with the oil inlet and outlet ends of the air compressor body (2), the mounting groove (4) is arranged on the heat exchange box (1), the dismounting plate (5) is arranged on the mounting groove (4), the mounting strip (6) is arranged on the mounting groove (4), the mounting cavity (7) matched with the mounting strip (6) is arranged on the dismounting plate (5), the waterproof cotton cloth (8) is arranged between the mounting strip (6) and the mounting cavity (7), the cover plate (9) is arranged on the dismounting plate (5) and the heat exchange box (1) in the mounting groove (4), the water inlet pipe (10) and the filter box (11) are arranged on the cover plate (9), the filter plate (12) is arranged in the filter box (11), the filter mesh hole (13) is arranged on the filter plate (12), the cleaning frame (14) is arranged at the bottom of the filter plate (12), the dredging plate (15) is slidably arranged on the cleaning frame (14), the dredging rod (16) matched with the filter mesh hole (13) is arranged on the dredging plate (15).

2. The air compressor waste heat recovery device according to claim 1, characterized in that: The mounting hole (17) is arranged on the cover plate (9) and the heat exchange box (1), and the mounting bolt (18) is arranged between the cover plate (9) and the heat exchange box (1).

3. The air compressor waste heat recovery device according to claim 1, characterized in that: The waterproof strip (19) is arranged at the joint of the dismounting plate (5) and the heat exchange box (1).

4. The air compressor waste heat recovery device of claim 1, wherein: The thermometer (20) is arranged on one side of the heat exchange box (1).

5. The air compressor waste heat recovery device of claim 1, wherein: The electromagnet (21) is arranged on the cleaning frame (14), and the permanent magnet (22) is arranged at the bottom of the dredging plate (15).

6. The air compressor waste heat recovery device of claim 1, wherein: The scraper (23) is arranged on the filter plate (12), the sliding grooves (24) are arranged on the two sides of the filter box (11), and the sliding block (25) is arranged in the sliding groove (24).

7. The air compressor waste heat recovery device of claim 6, wherein one of The moving screw rod (26) is rotatably arranged in the sliding groove (24), the moving screw rod (26) is threadedly connected with the sliding block (25), and the moving motor (27) is arranged on one side of the moving screw rod (26).

8. The air compressor waste heat recovery device of claim 1, wherein: The cleaning port (28) is arranged on one side of the filter box (11), the baffle (29) is arranged on the cleaning port (28), and the electric push rod (30) is arranged on the baffle (29).

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