Waste heat recovery and reutilization device for air compressor

By combining the design of the conduction cavity and heat collection plate with the circulation pipe assembly, the problem of reduced waste heat recovery efficiency caused by scale buildup on the outside of the circulation pipe is solved, achieving efficient waste heat recovery and convenient cleaning operation.

CN224065998UActive Publication Date: 2026-03-31JINGHE JING YI MINING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-20
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

In existing air compressor waste heat recovery devices, scale buildup on the outside of the circulation pipes affects the transfer of heat from the lubricating oil to the cold water, resulting in reduced waste heat recovery efficiency and making cleaning difficult.

Method used

The design employs a conductive cavity, a heat collection plate, and a circulation pipe assembly. The conductive cavity initially delivers high-temperature oil, the heat collection plate guides and conducts heat, and the circulation pipe assembly enables efficient heat transfer and convenient cleaning.

Benefits of technology

It improves waste heat recovery efficiency, reduces heat resource waste, and simplifies cleanup operations.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224065998U_ABST
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Abstract

The utility model relates to the technical field of air compressors, in particular to an air compressor waste heat recovery and reutilization device which comprises a recovery box, a water injection opening is fixedly formed in the top end of the recovery box, a detection mechanism is fixedly connected to the top end of the recovery box, a water outlet is formed in the front face of the recovery box, and an outer installation base is fixedly connected to the outer end of the recovery box. A conveying outer pipe connected with the recycling box at the same time is embedded in the outer mounting base, conduction cavities are formed in the two sides of the interior of the recycling box, and heat collecting plates are fixedly connected into the conduction cavities. The effect of primarily conveying external high-temperature oil liquid is achieved through the conduction cavity, the effects of guiding flow and conducting heat on the external high-temperature oil liquid conveyed in the conduction cavity are achieved through the heat conduction layer on the matched surface of the heat collection plate body, and the effect of conveying the oil liquid conveyed in the conduction cavity into the two sets of circulating pipes is achieved through the flow dividing base. And the effect of conveying oil liquid to complete waste heat recovery is achieved through the first circulating pipe and the second circulating pipe.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of air compressor, concretely relates to air compressor waste heat recovery and recycling device. BACKGROUND

[0002] Air compressor is the basic product of industrial modernization, and the full pneumatic meaning is included in the commonly said electric and automation, and the air compressor is the power supply of gas source and is the core equipment of pneumatic system, and it is the main body in the gas source device of electromechanical, and it is the device of converting the mechanical energy of prime mover (usually motor or diesel engine) into gas pressure energy, and it is the gas pressure generating device of compressed air, and the screw compressor is one kind of air compressor, and a large amount of heat is generated during work, and the heat is taken out of the machine body by lubricating oil, and the waste heat recovery device is usually used to recover the heat to avoid the waste of a large amount of heat dissipation to air.

[0003] The existing air compressor waste heat recovery device injects cold water into the waste heat recovery tank during use, and the circulating pipe is used to heat the cold water to absorb the heat taken out of the compressor by the high-temperature lubricating oil, so that the purpose of waste heat recovery is achieved, and the scale is continuously generated in the process of continuously heating the cold water in the waste heat recovery tank, and the scale is attached to the outer wall of the circulating pipe and the inner wall of the waste heat recovery tank, and the existing circulating pipe is usually "S" type or "U" type pipe, and the scale attached to the outer wall will affect the heat transfer of the lubricating oil to the cold water, so that the efficiency of waste heat recovery is reduced, and the waste of heat resources is caused, and the post cleaning operation is not convenient, and the waste heat recovery efficiency of the circulating pipe is low.

[0004] Therefore, the utility model provides an air compressor waste heat recovery and recycling device. UTILITY MODEL CONTENTS

[0005] In view of the defects in the prior art, the air compressor waste heat recovery and recycling device provided by the utility model can solve the problems that:

[0006] The existing circulating pipe is usually "S" type or "U" type pipe, and the scale attached to the outer wall will affect the heat transfer of the lubricating oil to the cold water, so that the efficiency of waste heat recovery is reduced, and the waste of heat resources is caused, and the post cleaning operation is not convenient, and the waste heat recovery efficiency of the circulating pipe is low.

[0007] The waste heat recovery efficiency of the circulating pipe is low.

[0008] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0009] The air compressor waste heat recovery and recycling device, comprising a recovery tank, a water inlet is fixedly arranged at the top end of the recovery tank, a detection mechanism is fixedly connected to the top end of the recovery tank, a water outlet is formed on the front face of the recovery tank, an outer mounting seat is fixedly connected to the outer end of the recovery tank, a conveying outer pipe connected with the recovery tank is embedded in the outer mounting seat, a conduction cavity is formed on both sides of the inside of the recovery tank, a heat collecting plate is fixedly connected in the conduction cavity, a circulating pipe assembly and an inner support matched are fixedly connected in the inside of the recovery tank, a circulating outer pipe is matched connected to one end of the circulating pipe assembly, the heat collecting plate comprises a heat collecting plate body and a heat conduction layer fixedly connected, the circulating pipe assembly comprises a first circulating pipe and a second circulating pipe, a shunt seat is fixedly connected between the first circulating pipe and the second circulating pipe, and support seats are fixedly connected to both ends of the bottom of the inner support.

[0010] Further, the conduction cavity is integrally formed in the bottom and one side of the recovery tank in an "L" shape, the outer end of the conduction cavity is connected with the conveying outer pipe, and the heat collecting plate is provided with two groups along the horizontal section and the vertical section of the conduction cavity.

[0011] Further, the surface of the vertical section of the conduction cavity is matched with a conveying pipeline connected with the circulating pipe assembly.

[0012] Further, the surface of the vertical section of the conduction cavity is matched with a conveying pipeline connected with the circulating pipe assembly.

[0013] Further, the first circulating pipe and the second circulating pipe are adjacently arranged in the recovery tank, both of which are arranged in an "well" shape, and the inner support is arranged in a "convex" shape and is located inside the two groups of circulating pipes, and the support seat is arranged in a rectangular convex shape and is located at the bottom of the two groups of circulating pipes.

[0014] Further, the end corner of the inner support is fixedly connected with the inner wall of the recovery tank.

[0015] Further, the top of the shunt seat is arranged in a trapezoidal shape horizontally, one side is arranged in a vertical shape with an angle, the longitudinal ends thereof are respectively connected with the top of the first circulating pipe and the second circulating pipe, one end of the shunt seat is connected with the conveying pipeline matched arranged on the surface of the vertical section of the conduction cavity, and the side arranged in a vertical shape with an angle is provided with a discharge pipeline connected with the circulating outer pipe.

[0016] From the above technical solution, the beneficial effects of the present application are:

[0017] 1. The conduction cavity achieves the effect of preliminarily conveying the external high-temperature oil liquid, and the heat collecting plate body cooperates with the heat conduction layer on the surface to achieve the effect of guiding and heat conduction of the external high-temperature oil liquid conveyed in the conduction cavity.

[0018] 2. The utility model discloses a shunt seat reaches the effect that the oil liquid of conveying in the conduction cavity is transported to two groups of circulating pipes, reaches the effect that the oil liquid is transported and completes the effect of waste heat recovery through the first circulating pipe and the second circulating pipe, reaches the effect that the two groups of circulating pipes are fixed in the recovery tank from the inside position through the inner support. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed in the specific embodiment or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0020] Figure 1 It is the overall structure side view of the utility model;

[0021] Figure 2 It is the heat collecting plate structure connection schematic view in the utility model;

[0022] Figure 3 It is the circulating pipe assembly and inner support connection schematic view in the utility model;

[0023] Figure 4 It is the circulating pipe assembly connection schematic view in the utility model.

[0024] Reference signs:

[0025] 1, recovery tank;2, water inlet;3, detection mechanism;4, water outlet;5, outer mounting seat;6, conveying outer pipe;7, circulating outer pipe;8, conduction cavity;9, heat collecting plate;10, circulating pipe assembly;11, inner support;12, heat collecting plate main body;13, heat conduction layer;14, first circulating pipe;15, second circulating pipe;16, shunt seat;17, support seat. DETAILED DESCRIPTION

[0026] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, therefore only as an example, and cannot limit the protection scope of the utility model.

[0027] Reference Figures 1-4As shown, air compressor waste heat recovery and recycling device, including recovery tank 1, the top of recovery tank 1 is fixedly provided with water inlet 2, recovery tank 1 top fixedly connected with detection mechanism 3, the front of recovery tank 1 is provided with water outlet 4, the outer end of recovery tank 1 is fixedly connected with outer mounting seat 5, the outer mounting seat 5 is embedded with the delivery outer tube 6 connected with the recovery tank 1, the inside of recovery tank 1 is provided with conductive cavity 8 on both sides, the heat collecting plate 9 is fixedly connected in the conductive cavity 8, the inside of recovery tank 1 is fixedly connected with the circulating pipe assembly 10 and the inner support 11 matched, one end of the circulating pipe assembly 10 is matched with the circulating outer tube 7, the heat collecting plate 9 includes the heat collecting plate main body 12 and the heat conducting layer 13 fixedly connected, the circulating pipe assembly 10 includes the first circulating pipe 14 and the second circulating pipe 15, the first circulating pipe 14 and the second circulating pipe 15 are fixedly connected with the shunt seat 16, the bottom of the inner support 11 is fixedly connected with the support seat 17 on both ends.

[0028] The detection mechanism 3 is used for detecting water temperature or water level line, and the detection mechanism 3 is provided, which belongs to the prior art, so it will not be described in detail in the specification and the drawings.

[0029] In the utility model embodiment, the conductive cavity 8 is integrally provided in the bottom and one side of the recovery tank 1, the outer end of the conductive cavity 8 is connected with the delivery outer tube 6, the heat collecting plate 9 is provided with two groups along the horizontal section and the vertical section of the conductive cavity 8, the vertical section of the conductive cavity 8 is provided with the delivery pipeline connected with the circulating pipe assembly 10, the outer surface of the heat collecting plate main body 12 is provided with a plurality of layers, and the heat conducting layer 13 is located on the inner surface of the heat collecting plate main body 12 and adheres to the inner bottom surface of the recovery tank 1, the conductive cavity 8 can preliminarily deliver the external high-temperature oil, the heat collecting plate main body 12 cooperates with the heat conducting layer 13 to guide and conduct heat of the external high-temperature oil delivered in the conductive cavity 8.

[0030] The external high-temperature oil is delivered to the conductive cavity 8 through the delivery outer tube 6, the heat collecting plate main body 12 guides the oil in the conductive cavity 8, and the heat conducting layer 13 conducts heat in the oil to the bottom surface of the recovery tank 1, so that the cold water in the recovery tank 1 is preliminarily heated, the conductive cavity 8 can effectively ensure the contact range between the oil and the cold water in the preliminary recovery process, and the heat collecting plate 9 can effectively transfer heat between the oil and the cold water, thereby improving the waste heat recovery efficiency.

[0031] The first circulation pipe 14 and the second circulation pipe 15 are adjacently arranged in the recovery tank 1, both are arranged in a "well" shape, and the inner support 11 is arranged in a "convex" shape with two groups of inner supports 11 arranged at the inner side of the two groups of circulation pipes, the support seat 17 is arranged in a rectangular convex shape and arranged at the bottom of the two groups of circulation pipes, the end corner of the inner support 11 is fixedly connected with the inner wall of the recovery tank 1, the top of the shunt seat 16 is arranged in a trapezoidal shape horizontally, one side is arranged in a folding angle vertically, the longitudinal two ends are respectively communicated with the top of the first circulation pipe 14 and the second circulation pipe 15, one end of the shunt seat 16 is communicated with the conveying pipe arranged on the surface of the vertical section of the conduction cavity 8 in a matched manner, and the side arranged in a folding angle is provided with a discharge pipe connected with the circulation outer pipe 7, so that the oil liquid conveyed in the conduction cavity 8 is conveyed into the two groups of circulation pipes through the shunt seat 16, the oil liquid is conveyed to achieve the effect of waste heat recovery through the first circulation pipe 14 and the second circulation pipe 15, and the two groups of circulation pipes are installed and fixed in the recovery tank 1 from the inner side of the two groups of circulation pipes through the inner support 11.

[0032] The external cold water is injected into the recovery tank 1 through the water injection port 2, and then the external high-temperature oil liquid is conveyed into the two groups of circulation pipes after passing through the conduction cavity 8, the two groups of circulation pipes arranged in a "well" shape facilitate subsequent disassembly and cleaning operation while ensuring heat transfer of the oil liquid, and the oil liquid circulated is discharged through the circulation outer pipe 7, and the two groups of circulation pipes can be directly taken out from the recovery tank 1 for cleaning after the inner support 11 is disassembled.

[0033] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A waste heat recovery and reuse device for air compressors, characterized in that: The utility model provides a recycling box, the top of recycling box (1) is fixedly provided with a water inlet (2), the top of recycling box (1) is fixedly connected with a detection mechanism (3), the front of recycling box (1) is provided with a water outlet (4), the outer end of recycling box (1) is fixedly connected with an outer mounting seat (5), the outer mounting seat (5) is embedded with a conveying outer pipe (6) connected with recycling box (1), the inside of recycling box (1) is provided with a conducting cavity (8) on both sides, the conducting cavity (8) is fixedly connected with a heat collecting plate (9), the inside of recycling box (1) is fixedly connected with a circulating pipe assembly (10) and an inner support (11) matchedly arranged, one end of circulating pipe assembly (10) is matchedly connected with a circulating outer pipe (7), the heat collecting plate (9) comprises a heat collecting plate main body (12) and a heat conducting layer (13) fixedly connected, the circulating pipe assembly (10) comprises a first circulating pipe (14) and a second circulating pipe (15), the first circulating pipe (14) and the second circulating pipe (15) are fixedly connected with a shunt seat (16), the bottom of inner support (11) is fixedly connected with a support seat (17) on both ends.

2. The air compressor waste heat recovery and recycling device according to claim 1, characterized in that: The conducting cavity (8) is integrally provided in the bottom and one side of the recycling box (1) in an "L" shape, and the outer end is connected with the conveying outer pipe (6), and the heat collecting plate (9) is provided with two groups along the horizontal section and the vertical section of the conducting cavity (8).

3. The air compressor waste heat recovery and recycling device according to claim 2, characterized in that: The surface of the vertical section of the conducting cavity (8) is matchedly provided with a conveying pipeline connected with the circulating pipe assembly (10).

4. The air compressor waste heat recovery and recycling device according to claim 1, characterized in that: The outer surface of the heat collecting plate main body (12) is provided with multiple layers, and the heat conducting layer (13) is located on the inner surface of the heat collecting plate main body (12) and adheres to the inner bottom surface of the recycling box (1).

5. The air compressor waste heat recovery and reuse device according to claim 1, characterized in that: The first circulating pipe (14) and the second circulating pipe (15) are adjacently arranged in the recycling box (1) and are both provided in the shape of a well, and the inner support (11) is provided in the shape of a convex with two groups and is located inside the two groups of circulating pipes, and the support seat (17) is provided in the shape of a rectangular convex and is located at the bottom of the two groups of circulating pipes.

6. The air compressor waste heat recovery and reuse device according to claim 1, characterized in that: The end corner of the inner support (11) is fixedly connected with the inner wall of the recycling box (1).

7. The air compressor waste heat recovery and recycling device according to claim 1, characterized in that: The top of the shunt seat (16) is provided in the shape of a trapezoid horizontally, one side is provided in the shape of an angle vertically, the longitudinal ends thereof are respectively connected with the top of the first circulating pipe (14) and the second circulating pipe (15), one end of the shunt seat (16) is connected with the conveying pipeline matchedly provided on the surface of the vertical section of the conducting cavity (8), and the side provided in the shape of an angle vertically is provided with a discharge pipeline connected with the circulating outer pipe (7).