Intelligent waste heat recovery device for air compressor

Abstract

The utility model discloses an intelligent waste heat recovery device for an air compressor, which belongs to the technical field of waste heat recovery of air compressors and comprises a casing, a water storage tank, a heating tank, an upper heat exchange tank, a lower heat exchange tank, a heat exchange tube and a hot water leading-out mechanism are arranged in the casing, and the heat exchange tube penetrates through the upper heat exchange tank and the lower heat exchange tank; the hot water leading-out mechanism comprises a first water pump and a first motor, a water inlet pipe is communicated with the interior of a water inlet of the first water pump, a rotating shaft is fixedly connected to an output shaft of the first motor, and a connector is fixedly connected to the other end of the rotating shaft. According to the utility model, the upper heat exchange box, the lower heat exchange box and the heat exchange pipe are arranged, so that heat of high-temperature lubricating oil of the air compressor can be conveniently utilized to heat water, the heat can be fully utilized, and water heated by waste heat recovery at different temperatures can be conveniently led out according to different temperature requirements through the hot water leading-out mechanism and the second water pump; therefore, the method is suitable for different use scenes.

Description

Technical Field

[0001] This utility model relates to the field of waste heat recovery technology for air compressors, and in particular to an intelligent waste heat recovery device for air compressors. Background Technology

[0002] Air compressors, as common air source equipment in industrial production, are widely used in various industries such as machinery, electronics, chemicals, and metallurgy. During the operation of air compressors, most of the heat generated by compressed air is discharged into the environment as waste heat. This not only wastes a lot of energy but may also cause thermal pollution to the surrounding environment. Therefore, we propose an intelligent waste heat recovery device for air compressors to solve this problem. Utility Model Content

[0003] The purpose of this invention is to provide an intelligent waste heat recovery device for air compressors to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] An intelligent waste heat recovery device for an air compressor includes: a housing, wherein the housing is provided with a water storage tank, a heating tank, an upper heat exchange box, a lower heat exchange box, a heat exchange pipe and a hot water outlet mechanism, wherein the heat exchange pipe passes through the interior of the upper heat exchange box and the lower heat exchange box;

[0006] The hot water output mechanism includes a first water pump and a first motor. The inlet of the first water pump is connected to an inlet pipe. A rotating shaft is fixedly connected to the output shaft of the first motor. A connector is fixedly connected to the other end of the rotating shaft. A bend is fixedly connected to the other end of the connector. One end of the bend is rotatably and sealingly fitted onto the outside of the inlet pipe. A bracket is fixedly connected to the other end of the bend. A temperature sensor is fixedly installed inside the bracket.

[0007] Preferably, a water supply pipe is connected to the top of the upper heat exchange box, a connecting pipe is connected between the upper heat exchange box and the water storage tank, and a control valve is connected between the water storage tank and the heating box.

[0008] A circulation pump is fixedly installed on one side of the lower heat exchange box. The inlet and outlet of the circulation pump are connected to the heating box and the lower heat exchange box, respectively, and a circulation pipe connects the heating box and the lower heat exchange box.

[0009] Preferably, the first motor is fixedly installed on the other side of the heating box, the first water pump is fixedly installed on the bottom inner wall of the housing, and a hot water outlet pipe is connected to the outlet of the first water pump.

[0010] Preferably, a second water pump is provided inside the housing, the inlet of the second water pump is connected to a water suction pipe, the bottom end of the water suction pipe extends into the water storage tank, and the outlet of the second water pump is connected to a warm water outlet pipe.

[0011] Preferably, a stirring mechanism is provided inside the housing. The stirring mechanism includes a stirring motor and a stirring shaft. The stirring shaft is rotatably connected inside the upper heat exchange box and the lower heat exchange box. Multiple stirring blades are fixedly installed at the top and bottom of the stirring shaft, and a driven gear is fixedly installed on the outer side of the middle part of the stirring shaft. The stirring motor is fixedly installed on the top of the lower heat exchange box, and a driving gear is fixedly connected to the output shaft of the stirring motor. The driving gear meshes with the driven gear.

[0012] Preferably, a side box is fixedly installed on one side of the housing, and two door panels are hinged to one side of the side box. One end of the warm water outlet pipe, the hot water outlet pipe, the water supply pipe, and both ends of the heat exchange pipe extend into the side box and are equipped with flanges.

[0013] Preferably, a U-shaped rod is fixedly installed at the bottom of the side box, and a T-shaped positioning plate is slidably sleeved on the outer side of the U-shaped rod. The T-shaped positioning plate is movably abutted against one side of the two door panels, and a support spring is fixedly connected to the bottom of the T-shaped positioning plate. The bottom end of the support spring is fixedly connected to the U-shaped rod.

[0014] Preferably, a controller is provided on the front side of the housing.

[0015] In this utility model, an intelligent waste heat recovery device for an air compressor introduces external cold water into the upper heat exchange box through a water supply pipe. The water then flows into a storage tank through a connecting pipe. By opening a control valve, the water in the storage tank is introduced into a heating box. A circulation pump is then started to introduce the water in the heating box into the lower heat exchange box, and the water returns to the heating box through a circulation pipe. Lubricating oil from the air compressor is introduced into the bottom of the heat exchange tube and discharged from the top of the heat exchange tube. At the same time, when the high-temperature lubricating oil flows through the lower heat exchange box, it can circulate and heat the water in the lower heat exchange box. Afterward, the lubricating oil flows through the upper heat exchange box, thereby preheating the water in the upper heat exchange box.

[0016] In this utility model, the intelligent waste heat recovery device for an air compressor drives the active gear to rotate by starting the second motor. The active gear drives the stirring shaft and stirring paddle to rotate by meshing with the driven gear, thereby increasing the water flow speed in the upper and lower heat exchange boxes and thus improving the heat exchange effect.

[0017] In this utility model, an intelligent waste heat recovery device for an air compressor monitors the water temperature in the heating chamber using a temperature sensor. When the water temperature reaches the required level, the first water pump is activated to extract hot water from the heating chamber through the inlet pipe and the bend pipe, and then discharges it through the hot water outlet pipe. The first motor can be activated to drive the rotating shaft and the bend pipe to rotate, thereby adjusting the height of the inlet end of the bend pipe, thus enabling the extraction of hot water at different heights in the heating chamber. The temperature is monitored by a temperature sensor. The second water pump is activated to extract preheated warm water from the storage tank through the pumping pipe, and then discharges it through the warm water outlet pipe.

[0018] This utility model has a reasonable structural design. The upper heat exchange box, lower heat exchange box and heat exchange tube are set to make it easy to use the heat of the high temperature lubricating oil of the air compressor to heat the water, so as to make full use of heat. The hot water outlet mechanism and the second water pump are set to easily export the water heated by the waste heat at different temperatures according to different temperature requirements, so as to be suitable for different use scenarios. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of an intelligent waste heat recovery device for an air compressor proposed in this utility model.

[0020] Figure 2 This is a cross-sectional structural diagram of an intelligent waste heat recovery device for an air compressor proposed in this utility model;

[0021] Figure 3 for Figure 2 A magnified view of part A in the middle;

[0022] Figure 4 for Figure 2 A magnified view of part B in the middle section.

[0023] In the diagram: 1. Housing; 2. Side box; 201. Door panel; 202. T-shaped positioning plate; 203. U-shaped rod; 204. Support spring; 3. Water tank; 4. Heating box; 5. Upper heat exchange box; 6. Lower heat exchange box; 7. First water pump; 701. Water inlet pipe; 702. Hot water outlet pipe; 8. First motor; 801. Shaft; 802. Connector; 803. Bend; 804. Temperature sensor; 9. Stirring motor; 901. Drive gear; 902. Driven gear; 903. Stirring shaft; 904. Stirring paddle; 10. Controller; 11. Heat exchange tube; 12. Water supply pipe; 13. Connecting pipe; 14. Control valve; 15. Circulation pipe; 16. Second water pump; 17. Pumping pipe. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] Reference Figure 1-4 An intelligent waste heat recovery device for an air compressor includes: a housing 1, inside which are arranged a water tank 3, a heating box 4, an upper heat exchange box 5, a lower heat exchange box 6, a heat exchange pipe 11 and a hot water outlet mechanism, the heat exchange pipe 11 passing through the interior of the upper heat exchange box 5 and the lower heat exchange box 6.

[0026] The hot water output mechanism includes a first water pump 7 and a first motor 8. The inlet of the first water pump 7 is connected to an inlet pipe 701. A rotating shaft 801 is fixedly connected to the output shaft of the first motor 8. A connector 802 is fixedly connected to the other end of the rotating shaft 801. A bend 803 is fixedly connected to the other end of the connector 802. One end of the bend 803 is rotatably sealed and fitted onto the outside of the inlet pipe 701. A bracket is fixedly connected to the other end of the bend 803. A temperature sensor 804 is fixedly installed inside the bracket.

[0027] In this embodiment, a water supply pipe 12 is connected to the top of the upper heat exchange box 5, a connecting pipe 13 is connected between the upper heat exchange box 5 and the water storage tank 3, and a control valve 14 is connected between the water storage tank 3 and the heating box 4.

[0028] A circulation pump is fixedly installed on one side of the lower heat exchange box 6. The inlet and outlet of the circulation pump are connected to the heating box 4 and the lower heat exchange box 6, respectively, and a circulation pipe 15 connects the heating box 4 and the lower heat exchange box 6.

[0029] In this embodiment, the first motor 8 is fixedly installed on the other side of the heating box 4, the first water pump 7 is fixedly installed on the bottom inner wall of the casing 1, and the outlet of the first water pump 7 is connected to a hot water outlet pipe 702.

[0030] In this embodiment, a second water pump 16 is provided inside the casing 1. A water pumping pipe 17 is connected to the water inlet of the second water pump 16. The bottom end of the water pumping pipe 17 extends into the water storage tank 3, and a warm water outlet pipe is connected to the water outlet of the second water pump 16.

[0031] In this embodiment, a stirring mechanism is provided inside the housing 1. The stirring mechanism includes a stirring motor 9 and a stirring shaft 903. The stirring shaft 903 is rotatably connected to the interior of the upper heat exchange box 5 and the lower heat exchange box 6. Multiple stirring paddles 904 are fixedly installed at the top and bottom of the stirring shaft 903, and a driven gear 902 is fixedly installed on the outer side of the middle part of the stirring shaft 903. The stirring motor 9 is fixedly installed on the top of the lower heat exchange box 6, and a driving gear 901 is fixedly connected to the output shaft of the stirring motor 9. The driving gear 901 meshes with the driven gear 902.

[0032] In this embodiment, a side box 2 is fixedly installed on one side of the casing 1. Two door panels 201 are hinged to one side of the side box 2. The warm water outlet pipe, the hot water outlet pipe, one end of the water supply pipe 12 and both ends of the heat exchange pipe 11 extend into the side box 2 and are equipped with flanges.

[0033] In this embodiment, a U-shaped rod 203 is fixedly installed at the bottom of the side box 2. A T-shaped positioning plate 202 is slidably sleeved on the outside of the U-shaped rod 203. The T-shaped positioning plate 202 is movably abutted against one side of the two door panels 201. A support spring 204 is fixedly connected to the bottom of the T-shaped positioning plate 202. The bottom end of the support spring 204 is fixedly connected to the U-shaped rod 203.

[0034] Preferably, a controller 10 is provided on the front side of the housing 1.

[0035] In this embodiment, during use, the second motor is started to drive the active gear 901 to rotate. The active gear 901, through meshing with the driven gear 902, drives the stirring shaft 903 and the stirring paddle 904 to rotate, thereby increasing the water flow rate in the upper heat exchange box 5 and the lower heat exchange box 6, thus improving the heat exchange effect. The water temperature in the heating box 4 is monitored by the temperature sensor 804. When the water temperature reaches the required level, the first water pump 7 is started to extract the hot water from the heating box 4 through the inlet pipe 701 and the bend pipe 803, and then export it through the hot water outlet pipe 702. The first motor 8 can be started to drive the rotating shaft 801 and the bend pipe 803 to rotate, thereby adjusting the height of the water inlet end of the bend pipe 803, thus enabling the extraction of hot water at different heights in the heating box 4. The temperature is monitored by the temperature sensor 804. The second water pump 16 is started to extract the preheated warm water from the water storage tank 3 through the water extraction pipe 17, and then export it through the warm water outlet pipe.

[0036] The above provides a detailed description of the intelligent waste heat recovery device for air compressors provided by this utility model. Specific embodiments have been used to illustrate the principle and implementation of this utility model. The descriptions of these embodiments are merely for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that those skilled in the art can make various improvements and modifications to this utility model without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. An intelligent waste heat recovery device for an air compressor, characterized in that, include: The casing (1) is provided with a water tank (3), a heating box (4), an upper heat exchange box (5), a lower heat exchange box (6), a heat exchange tube (11) and a hot water outlet mechanism. The heat exchange tube (11) passes through the interior of the upper heat exchange box (5) and the lower heat exchange box (6). The hot water output mechanism includes a first water pump (7) and a first motor (8). The inlet of the first water pump (7) is connected to an inlet pipe (701). A rotating shaft (801) is fixedly connected to the output shaft of the first motor (8). A connector (802) is fixedly connected to the other end of the rotating shaft (801). A bend (803) is fixedly connected to the other end of the connector (802). One end of the bend (803) is rotatably and sealingly fitted onto the outside of the inlet pipe (701). A bracket is fixedly connected to the other end of the bend (803). A temperature sensor (804) is fixedly installed inside the bracket.

2. The intelligent waste heat recovery device for air compressors according to claim 1, characterized in that, The top of the upper heat exchange box (5) is connected to a water supply pipe (12), and a connecting pipe (13) is connected between the upper heat exchange box (5) and the water storage tank (3). A control valve (14) is connected between the water storage tank (3) and the heating box (4). A circulation pump is fixedly installed on one side of the lower heat exchange box (6). The inlet and outlet of the circulation pump are connected to the heating box (4) and the lower heat exchange box (6) respectively, and a circulation pipe (15) is connected between the heating box (4) and the lower heat exchange box (6).

3. The intelligent waste heat recovery device for an air compressor according to claim 1, characterized in that, The first motor (8) is fixedly installed on the other side of the heating box (4), and the first water pump (7) is fixedly installed on the bottom inner wall of the housing (1). The outlet of the first water pump (7) is connected to a hot water outlet pipe (702).

4. The intelligent waste heat recovery device for an air compressor according to claim 1, characterized in that, The casing (1) is equipped with a second water pump (16), the inlet of the second water pump (16) is connected to a water pumping pipe (17), the bottom end of the water pumping pipe (17) extends into the water storage tank (3), and the outlet of the second water pump (16) is connected to a warm water outlet pipe.

5. The intelligent waste heat recovery device for an air compressor according to claim 4, characterized in that, The housing (1) is equipped with a stirring mechanism, which includes a stirring motor (9) and a stirring shaft (903). The stirring shaft (903) is rotatably connected to the interior of the upper heat exchange box (5) and the lower heat exchange box (6). Multiple stirring paddles (904) are fixedly installed at the top and bottom of the stirring shaft (903), and a driven gear (902) is fixedly installed on the outer side of the middle part of the stirring shaft (903). The stirring motor (9) is fixedly installed on the top of the lower heat exchange box (6), and a driving gear (901) is fixedly connected to the output shaft of the stirring motor (9). The driving gear (901) meshes with the driven gear (902).

6. The intelligent waste heat recovery device for an air compressor according to claim 5, characterized in that, A side box (2) is fixedly installed on one side of the housing (1). Two door panels (201) are hinged to one side of the side box (2). One end of the warm water outlet pipe, the hot water outlet pipe, the water supply pipe (12) and both ends of the heat exchange pipe (11) extend into the side box (2) and are fitted with flanges.

7. The intelligent waste heat recovery device for an air compressor according to claim 6, characterized in that, A U-shaped rod (203) is fixedly installed at the bottom of the side box (2). A T-shaped positioning plate (202) is slidably sleeved on the outside of the U-shaped rod (203). The T-shaped positioning plate (202) is movably abutted against one side of the two door panels (201). A support spring (204) is fixedly connected to the bottom of the T-shaped positioning plate (202). The bottom end of the support spring (204) is fixedly connected to the U-shaped rod (203).

8. The intelligent waste heat recovery device for an air compressor according to claim 1, characterized in that, A controller (10) is provided on the front side of the housing (1).

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