Air compressor waste heat recovery device
By introducing heat exchange cleaning components into the waste heat recovery device of the air compressor, the combination of the split heat exchange pipe and the cleaning scraper is used to solve the scale problem inside the water tank, improve the heat exchange efficiency and extend the service life of the water tank.
Patent Information
- Application Number
- CN202420446232.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-08
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-03-08
AI Technical Summary
After long-term use of the existing air compressor waste heat recovery device, scale will be generated inside the water tank, which will affect the heat exchange effect and reduce the life of the water tank.
A waste heat recovery and utilization device of the air compressor is designed, including a heat exchange and cleaning component. Through the combination of the split heat exchange pipe and the cleaning scraper, efficient heat exchange between the heat medium and the cold medium is achieved, while cleaning scale, extending the service life of the water tank.
It effectively enhances the contact area between the media, improves heat exchange efficiency, extends the service life of the water tank, and avoids the decrease in heat exchange effect caused by scale.
Smart Images

Figure CN222733415U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of waste heat recovery and utilization, and in particular to a waste heat recovery and utilization device for an air compressor. Background Art
[0002] As a type of air compressor, a screw compressor generates a large amount of heat when working. The heat is carried out of the body through the lubricating oil. The temperature of the lubricating oil discharged from the body is usually between 80°C and 100°C. In the prior art, the lubricating oil is usually cooled by air cooling. On the one hand, this cooling method has a poor cooling effect. On the other hand, the heat of the lubricating oil is directly lost to the air, resulting in a large loss of heat and waste of resources.
[0003] Existing publication number: CN219809178U discloses an air compressor waste heat recovery device;
[0004] Although the baffle of the utility model can increase the contact area with the liquid, reduce the flow rate of the liquid, increase the residence time of the liquid in the water tank, enable sufficient heat exchange between the liquid and the gas in the air pipe, and ensure the heat exchange efficiency, in actual use, a certain amount of scale will be generated inside the water tank after long-term use. The scale will not only affect the heat exchange effect, but also reduce the life of the water tank. Utility Model Content
[0005] (I) Technical solution
[0006] In order to solve the problems raised in the above background technology, the specific technical solutions adopted by the utility model are as follows:
[0007] An air compressor waste heat recovery device comprises a waste heat recovery tank body, a heat exchange cleaning component is arranged inside the waste heat recovery tank body, an air intake conveying component is arranged on one side of the heat exchange cleaning component, and an inlet and outlet liquid control component is arranged on one side of the waste heat recovery tank body;
[0008] In order to achieve the purpose of cleaning while exchanging heat, the heat exchange cleaning component includes a shunt heat exchange tube, which is movably connected to the waste heat recovery tank through a sealed bearing, a motor fixing frame is connected to the periphery of the waste heat recovery tank, a drive motor is installed inside the motor fixing frame, a driving gear is connected to the output end of the drive motor, a driven gear is meshed on one side of the driving gear, and the driven gear is connected to the shunt heat exchange tube, a cleaning mounting frame is provided on the periphery of the shunt heat exchange tube, a cleaning scraper is connected to the periphery of the cleaning mounting frame, and the cleaning scraper is in contact with the waste heat recovery tank.
[0009] Furthermore, a support frame is provided on the periphery of the waste heat recovery tank body, and the support frame is connected to the waste heat recovery tank body.
[0010] Furthermore, a PLC controller is provided on one side of the support frame, and the drive motor is electrically connected to the PLC controller.
[0011] Furthermore, in order to achieve the purpose of air intake and delivery, the air intake and delivery assembly includes an air intake and delivery pipe, which is movably connected to the diversion heat exchange pipe through a sealed bearing, one end of the air intake and delivery pipe is connected to the output end of the air delivery fan, the input end of the air delivery fan is connected to an intake pipe, and one end of the intake pipe is connected to a dust filter.
[0012] Furthermore, the air delivery fan is electrically connected to the PLC controller.
[0013] Furthermore, in order to achieve the purpose of liquid inlet and outlet control, the liquid inlet and outlet control component includes a liquid inlet pipe, which is connected to the waste heat recovery tank body. A liquid outlet pipe is provided on the side of the waste heat recovery tank body away from the liquid inlet pipe. Liquid discharge flow valves are installed inside the liquid inlet pipe and the liquid outlet pipe, and a temperature sensor is provided inside the waste heat recovery tank body.
[0014] Furthermore, the temperature sensor is electrically connected to the PLC controller.
[0015] (II) Beneficial effects
[0016] Compared with the prior art, the utility model provides an air compressor waste heat recovery and utilization device, which has the following beneficial effects:
[0017] (1) The utility model improves upon the prior art. In actual use, it can not only enhance the contact area between the media, allowing sufficient heat exchange between the liquid and the gas in the air pipe to ensure heat exchange efficiency, but also, in actual use, through the heat exchange cleaning component, solve the problem that a certain amount of scale will be generated inside the water tank after long-term use of the existing water tank, and the scale will affect the heat exchange effect, and it will also greatly improve the service life of the water tank.
[0018] (2) In actual use, by setting up a liquid inlet pipe, the purpose of facilitating the cold medium to enter the waste heat recovery tank is achieved, and the liquid outlet pipe is used to facilitate the discharge of the medium after heat exchange. The temperature sensor detects the temperature inside the waste heat recovery tank. The different temperatures inside the waste heat recovery tank enable the PLC controller to control the discharge flow valve to achieve the purpose of adjusting the liquid inlet and outlet flows of the liquid inlet and outlet pipes. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the main structure of an air compressor waste heat recovery and utilization device according to an embodiment of the utility model;
[0020] Figure 2 It is a three-dimensional diagram of an air compressor waste heat recovery device according to an embodiment of the utility model;
[0021] Figure 3It is a structural schematic diagram of a heat exchange cleaning component in an air compressor waste heat recovery and utilization device according to an embodiment of the utility model;
[0022] Figure 4 It is a structural schematic diagram of an air intake conveying component in an air compressor waste heat recovery and utilization device according to an embodiment of the utility model.
[0023] In the figure:
[0024] 1. Waste heat recovery tank; 2. Heat exchange cleaning assembly; 201. Diverter heat exchange tube; 202. Sealed bearing; 203. Motor fixing bracket; 204. Driving motor; 205. Driving gear; 206. Driven gear; 207. Cleaning mounting bracket; 208. Cleaning scraper; 3. Air intake and delivery assembly; 301. Air intake and delivery pipe; 302. Air delivery fan; 303. Air suction pipe; 304. Dust filter; 4. Inlet and outlet liquid control assembly; 401. Liquid inlet pipe; 402. Liquid outlet pipe; 403. Liquid discharge flow valve; 404. Temperature sensor; 5. Support frame; 6. PLC controller. DETAILED DESCRIPTION
[0025] In order to further illustrate the technical solution of the present application, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.
[0026] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-Figure 4 As shown, according to an embodiment of the utility model, an air compressor waste heat recovery and utilization device includes a waste heat recovery tank body 1, a heat exchange and cleaning component 2 is provided inside the waste heat recovery tank body 1, an air intake conveying component 3 is provided on one side of the heat exchange and cleaning component 2, and an inlet and outlet liquid control component 4 is provided on one side of the waste heat recovery tank body 1.
[0027] like Figure 1-4As shown, the heat exchange cleaning component 2 includes a shunt heat exchange tube 201, which is movably connected to the waste heat recovery tank body 1 through a sealed bearing 202. A motor fixing frame 203 is connected to the periphery of the waste heat recovery tank body 1, and a driving motor 204 is installed inside the motor fixing frame 203. A driving gear 205 is connected to the output end of the driving motor 204, and a driven gear 206 is meshed on one side of the driving gear 205. The driven gear 206 is connected to the shunt heat exchange tube 201. A cleaning mounting frame 207 is provided on the periphery of the shunt heat exchange tube 201, and a cleaning scraper 208 is connected to the periphery of the cleaning mounting frame 207. The cleaning scraper 208 is in contact with the waste heat recovery tank body 1. A support frame 5 is provided on the periphery of the waste heat recovery tank body 1, and the support frame 5 is connected to the waste heat recovery tank body 1. A PLC controller 6 is provided on one side of the support frame 5, and the driving motor 204 is electrically connected to the PLC controller 6.
[0028] Through the above technical scheme, by setting the motor fixing frame 203, the purpose of fixing the driving motor 204 is achieved. After the driving motor 204 is started, it can drive the driving gear 205 to rotate. When the driving gear 205 rotates, it can drive the driven gear 206 to rotate. The driven gear 206 can drive the shunt heat exchange tube 201 to rotate. When the shunt heat exchange tube 201 rotates, the heat exchange efficiency of the hot medium and the cold medium is greatly improved. When the shunt heat exchange tube 201 rotates, it will also drive the cleaning mounting frame 207 to rotate. When the cleaning mounting frame 207 rotates, it can drive the cleaning scraper 208 to rotate, thereby achieving the purpose of cleaning the scale of the waste heat recovery tank body 1. By setting the support frame 5, the purpose of facilitating the support of the waste heat recovery tank body 1 is achieved, so that the PLC controller 6 can achieve the purpose of facilitating the control of the device.
[0029] like Figure 1-4 As shown, the air intake delivery component 3 includes an air intake delivery pipe 301, which is movably connected to the bypass heat exchange pipe 201 through a sealing bearing 202, one end of the air intake delivery pipe 301 is connected to the output end of the air delivery fan 302, the input end of the air delivery fan 302 is connected to the intake pipe 303, one end of the intake pipe 303 is connected to the dust filter 304, and the air delivery fan 302 is electrically connected to the PLC controller 6.
[0030] Through the above technical solution, the air intake pipe 301 is connected to the interior of the air compressor through a pipeline, and through the air delivery fan 302, so that the waste heat air passes through the dust filter 304 to filter the dust and then enters the air intake pipe 301. Then, the waste heat air passes through the sealed bearing 202 and enters the diversion heat exchange pipe 201, thereby achieving the purpose of transporting heat medium.
[0031] like Figure 1-4As shown, the inlet and outlet liquid control component 4 includes a liquid inlet pipe 401, which is connected to the waste heat recovery tank body 1. A liquid outlet pipe 402 is provided on the side of the waste heat recovery tank body 1 away from the liquid inlet pipe 401. A discharge flow valve 403 is installed inside the liquid inlet pipe 401 and the liquid outlet pipe 402. A temperature sensor 404 is provided inside the waste heat recovery tank body 1, and the temperature sensor 404 is electrically connected to the PLC controller 6.
[0032] Through the above technical scheme, by setting the liquid inlet pipe 401, the purpose of facilitating the cold medium to enter the waste heat recovery tank body 1 is achieved, and the liquid outlet pipe 402 is used to facilitate the discharge of the medium after heat exchange, and the temperature sensor 404 detects the temperature inside the waste heat recovery tank body 1. The difference in temperature inside the waste heat recovery tank body 1 enables the PLC controller 6 to control the discharge flow valve 403, so as to achieve the purpose of adjusting the liquid inlet and outlet flow rates of the liquid inlet pipe 401 and the liquid outlet pipe 402.
[0033] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.
[0034] Working principle: by setting the motor fixing frame 203, the purpose of fixing the driving motor 204 is achieved. After the driving motor 204 is started, it can drive the driving gear 205 to rotate. When the driving gear 205 rotates, it can drive the driven gear 206 to rotate. The driven gear 206 can drive the shunt heat exchange tube 201 to rotate. When the shunt heat exchange tube 201 rotates, the heat exchange efficiency of the hot medium and the cold medium is greatly improved. When the shunt heat exchange tube 201 rotates, it will also drive the cleaning mounting frame 207 to rotate. When the cleaning mounting frame 207 rotates, it can drive the cleaning scraper 208 to rotate, so as to achieve the purpose of cleaning the scale of the waste heat recovery tank body 1. By setting the support frame 5, the purpose of facilitating the support of the waste heat recovery tank body 1 is achieved, so that the PLC controller 6 can achieve the purpose of facilitating the control of the device;
[0035] The air intake pipe 301 is connected to the inside of the air compressor through a pipeline, and passes through the air delivery fan 302, so that the waste heat air passes through the dust filter 304 to filter the dust and enter the air intake pipe 301, and then the waste heat air passes through the sealing bearing 202 to enter the split heat exchange pipe 201, so as to achieve the purpose of transporting the heat medium;
[0036] By setting the liquid inlet pipe 401, the purpose of facilitating the cold medium to enter the waste heat recovery tank body 1 is achieved, and the liquid outlet pipe 402 is used to facilitate the discharge of the medium after heat exchange. The temperature sensor 404 detects the temperature inside the waste heat recovery tank body 1. The different temperatures inside the waste heat recovery tank body 1 enable the PLC controller 6 to control the discharge flow valve 403, so as to achieve the purpose of adjusting the liquid inlet and outlet flows of the liquid inlet pipe 401 and the liquid outlet pipe 402.
[0037] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.
[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An air compressor waste heat recovery device, characterized in that: It comprises a waste heat recovery tank body (1), wherein a heat exchange cleaning component (2) is provided inside the waste heat recovery tank body (1), an air intake conveying component (3) is provided on one side of the heat exchange cleaning component (2), and an inlet and outlet liquid control component (4) is provided on one side of the waste heat recovery tank body (1); The heat exchange cleaning component (2) comprises a shunt heat exchange tube (201), the shunt heat exchange tube (201) is movably connected to the waste heat recovery tank body (1) via a sealing bearing (202), the waste heat recovery tank body (1) is connected to a motor fixing frame (203) at its periphery, a driving motor (204) is installed inside the motor fixing frame (203), an output end of the driving motor (204) is connected to a driving gear (205), one side of the driving gear (205) is meshed with a driven gear (206), the driven gear (206) is connected to the shunt heat exchange tube (201), a cleaning mounting frame (207) is provided at its periphery, a cleaning scraper (208) is connected to the cleaning mounting frame (207), and the cleaning scraper (208) is in contact with the waste heat recovery tank body (1).
2. The air compressor waste heat recovery device according to claim 1, characterized in that: A support frame (5) is provided on the periphery of the waste heat recovery tank body (1), and the support frame (5) is connected to the waste heat recovery tank body (1).
3. The air compressor waste heat recovery device according to claim 2, characterized in that: A PLC controller (6) is provided on one side of the support frame (5), and the drive motor (204) is electrically connected to the PLC controller (6).
4. The air compressor waste heat recovery device according to claim 3 is characterized in that: The air intake delivery assembly (3) comprises an air intake delivery pipe (301), the air intake delivery pipe (301) being movably connected to the flow-dividing heat exchange pipe (201) via a sealing bearing (202), one end of the air intake delivery pipe (301) being connected to the output end of an air delivery fan (302), the input end of the air delivery fan (302) being connected to an air intake pipe (303), and one end of the air intake pipe (303) being connected to a dustproof filter (304).
5. The air compressor waste heat recovery device according to claim 4, characterized in that: The air delivery fan (302) is electrically connected to the PLC controller (6).
6. The air compressor waste heat recovery device according to claim 5, characterized in that: The liquid inlet and outlet control component (4) comprises a liquid inlet pipe (401), the liquid inlet pipe (401) is connected to the waste heat recovery tank body (1), a liquid outlet pipe (402) is provided on a side of the waste heat recovery tank body (1) away from the liquid inlet pipe (401), a liquid discharge flow valve (403) is installed inside the liquid inlet pipe (401) and the liquid outlet pipe (402), and a temperature sensor (404) is provided inside the waste heat recovery tank body (1).
7. The air compressor waste heat recovery device according to claim 6, characterized in that: The temperature sensor (404) is electrically connected to the PLC controller (6).
Citation Information
Patent Citations
Waste heat recovery device of air compressor
CN219809178U