Waste heat recovery system of air compressor

Abstract

The utility model discloses an air compressor waste heat recovery system which comprises an air compressor body, a cabinet door is arranged at the front end of the air compressor body, a mounting plate is clamped on the outer side of an air outlet in one side of the lower end of the air compressor body, a waste heat recovery cover is arranged on one side of the mounting plate, a waste heat recovery pipe is arranged in the waste heat recovery cover, and the waste heat recovery pipe is a three-dimensional spiral pipe. The waste heat recovery cover and the waste heat recovery pipe are arranged on one side of the mounting plate, and the waste heat recovery pipe is a three-dimensional spiral coil pipe, so that water is conveyed into the waste heat recovery pipe and stored, and the waste heat recovery cover and the waste heat recovery pipe are electrically connected with a controller outside the waste heat recovery cover. And hot air discharged from the air outlet is used for heating water stored in the waste heat recovery pipe, after the water is heated to a certain temperature, hot water is discharged for daily use, meanwhile, new cold water is injected for reheating, and the waste heat recovery effect is good.

Description

Technical Field

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

[0002] Screw air compressors are pre-packaged, requiring only a single power connection and compressed air connection, and have a built-in cooling system, greatly simplifying installation. Twin-screw air compressors overcome the disadvantages of single-screw air compressors, such as unbalanced and easily damaged bearings, and have the advantages of long life, low noise, and more energy saving. The high-speed rotation of the air compressor screw generates high-temperature heat, and also generates heat due to friction. This heat energy is discharged into the atmosphere, resulting in heat waste.

[0003] An air compressor waste heat recovery system with application number 202223283820.5 in the prior art includes an air compressor body, a hot air concentrating component for concentrating hot air is fixedly arranged at the air outlet on the top of the air compressor body, and a waste heat recovery component for utilizing the heat in the hot air is detachably installed on the top of the hot air concentrating component. The hot air concentrating component includes a frame one, and a plurality of wind collecting scoops for concentrating hot air are equidistantly arranged in the frame one, and the waste heat recovery component includes a frame two arranged on the top of the frame one, two circular grooves are symmetrically opened on one side of the frame two, and heat absorbing pipe fittings are fixedly installed in the two circular grooves, the heat absorbing pipe fittings are arranged in an S shape in the frame two, and heat absorbing fin plates are constructed on both sides of the outer edge surface of the heat absorbing pipe fittings. The air compressor waste heat recovery system has a hot air concentration function and a high heat utilization rate. It can efficiently utilize the heat in the exhaust gas discharged during operation and is highly practical. However, it cannot achieve the purpose of automatically draining water to recover the waste heat of the air compressor, resulting in a relatively average waste heat recovery efficiency. Utility Model Content

[0004] The utility model aims to provide an air compressor waste heat recovery system to solve the problem that the prior art cannot realize the purpose of automatically draining water to recover the waste heat of the air compressor, resulting in a relatively general waste heat recovery efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste heat recovery system for an air compressor, comprising an air compressor body, a cabinet door is provided at the front end of the air compressor body, and a mounting plate is provided on the outer side of the air outlet on one side of the lower end of the air compressor body, a waste heat recovery cover is provided on one side of the mounting plate, a waste heat recovery pipe is provided inside the waste heat recovery cover, and the waste heat recovery pipe is a three-dimensional spiral coil, a temperature sensor is provided in the middle of the water outlet end of the waste heat recovery pipe, and the temperature sensor is electrically connected to a controller outside the waste heat recovery cover, and an exhaust pipe and an exhaust fan are provided at one end of the waste heat recovery cover.

[0006] Furthermore, a mounting groove is provided on the inner side of the mounting plate, and a sealing gasket is provided on the inner wall of the mounting groove.

[0007] Furthermore, a locking hole is provided on the side wall of the installation groove, and a locking bolt is provided in the inner thread of the locking hole.

[0008] Furthermore, a water inlet pipe and a water outlet pipe are respectively provided at both ends of the waste heat recovery pipe, and valves are provided on the water inlet pipe and the water outlet pipe.

[0009] Furthermore, the valve is a solenoid valve, and the valve is electrically connected to a controller outside the waste heat recovery cover.

[0010] Furthermore, the waste heat recovery pipe is a metal pipe body, and the waste heat recovery pipe is a threaded pipe with successively decreasing diameters.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model is provided with a waste heat recovery cover and a waste heat recovery pipe on one side of the mounting plate, and the waste heat recovery pipe is a three-dimensional spiral coil, so that water is transported into the waste heat recovery pipe and stored, and the hot air discharged from the air outlet is used to heat the water stored in the waste heat recovery pipe. When heated to a certain temperature, hot water is discharged for daily use, and new cold water is injected for reheating, and the waste heat recovery effect is better.

[0013] 2. The utility model provides a temperature sensor in the middle of the water outlet end of the waste heat recovery pipe, and the temperature sensor is electrically connected to the controller outside the waste heat recovery cover. An inlet pipe and an outlet pipe are respectively provided at both ends of the waste heat recovery pipe. Valves are provided on the inlet pipe and the outlet pipe. The valve is a solenoid valve. The valve is electrically connected to the controller outside the waste heat recovery cover. The temperature sensor is used to detect the temperature of the water inside the waste heat recovery pipe. When a certain temperature is reached, the temperature sensor transmits a signal to the controller, and the controller controls the valve of the outlet pipe to open to discharge hot water. After the discharge is completed, the valve of the outlet pipe is closed, and then the valve of the inlet pipe is opened, and cold water is re-injected into the waste heat recovery pipe for re-heating and absorption of waste heat, thereby achieving the purpose of automatic water inlet and outlet.

[0014] 3. The utility model is provided with a mounting plate on the outer side of the air outlet on one side of the lower end of the air compressor body, a mounting groove and a sealing gasket are provided on the inner side of the mounting plate, and a locking hole and a locking bolt are provided on the side wall of the mounting groove, so that it is convenient to clamp the mounting plate on the outside of the air outlet of the air compressor body, the installation and fixation have high stability, and the disassembly and assembly are convenient and quick, and can be used for waste heat recovery treatment of air compressor bodies of different models. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the waste heat recovery cover of the utility model;

[0018] Figure 3 This is a schematic diagram of the waste heat recovery pipe structure of the utility model;

[0019] Figure 4 It is a left view of the waste heat recovery pipe structure of the utility model.

[0020] In the figure: 1. air compressor body; 2. cabinet door; 3. air outlet; 4. mounting plate; 5. waste heat recovery cover; 6. water inlet pipe; 7. water outlet pipe; 8. locking bolt; 9. locking hole; 10. exhaust fan; 11. temperature sensor; 12. exhaust pipe; 13. mounting slot; 14. sealing gasket; 15. waste heat recovery pipe; 16. valve; 17. controller. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 In an embodiment of the utility model, an air compressor waste heat recovery system includes an air compressor body 1, a cabinet door 2 is provided at the front end of the air compressor body 1, and a mounting plate 4 is clamped on the outer side of an air outlet 3 on one side of the lower end of the air compressor body 1, a waste heat recovery cover 5 is provided on one side of the mounting plate 4, a mounting groove 13 is provided on the inner side of the mounting plate 4, and a sealing gasket 14 is provided on the inner wall of the mounting groove 13, a locking hole 9 is provided on the side wall of the mounting groove 13, and a locking bolt 8 is provided on the inner thread of the locking hole 9, so that it is convenient to clamp the mounting plate 4 on the outside of the air outlet of the air compressor body 1, the installation and fixation has high stability, and the disassembly and assembly are convenient and quick, and it can be used for waste heat recovery treatment of air compressors of different models.

[0023] like Figure 2 and Figure 3As shown, in order to heat the water stored in the waste heat recovery pipe 15, a waste heat recovery pipe 15 is also provided inside the waste heat recovery cover 5, and the waste heat recovery pipe 15 is a three-dimensional spiral coil, and an exhaust pipe 12 and an exhaust fan 10 are provided at one end of the waste heat recovery cover 5. The waste heat recovery pipe 15 is a metal pipe body, and the waste heat recovery pipe 15 is a threaded pipe with successively decreasing diameters, so that water is transported to the waste heat recovery pipe 15 and stored, and the hot air discharged from the air outlet 3 is used to heat the water stored in the waste heat recovery pipe 15. When heated to a certain temperature, hot water is discharged for daily use, and new cold water is injected for reheating, and the waste heat recovery effect is better.

[0024] like Figure 2 and Figure 4 As shown, in order to achieve the purpose of automatic water inlet and outlet to recover the waste heat of the air compressor, a temperature sensor 11 is provided in the middle of the water outlet end of the waste heat recovery pipe 15, and the temperature sensor 11 is electrically connected to the controller 17 outside the waste heat recovery cover 5. The two ends of the waste heat recovery pipe 15 are respectively provided with an inlet pipe 6 and an outlet pipe 7, and the inlet pipe 6 and the outlet pipe 7 are both provided with valves 16. The valve 16 is a solenoid valve, and the valve 16 is electrically connected to the controller 17 outside the waste heat recovery cover 5. The temperature sensor 11 is used to detect the temperature of the water inside the waste heat recovery pipe 15. When a certain temperature is reached, the temperature sensor 11 transmits a signal to the controller 17, and the controller 17 controls the valve 16 of the outlet pipe 7 to open and discharge hot water. After the discharge is completed, the valve 16 of the outlet pipe 7 is closed, and then the valve 16 of the inlet pipe 6 is opened, and cold water is re-injected into the waste heat recovery pipe 15 for heating and absorbing the waste heat again, thereby achieving the purpose of automatic water inlet and outlet.

[0025] The working principle and use process of the utility model: when in use, a waste heat recovery cover 5 and a waste heat recovery pipe 15 are provided on one side of the mounting plate 4, and the waste heat recovery pipe 15 is a three-dimensional spiral coil, so that water is transported into the waste heat recovery pipe 15 and stored, and the hot air discharged from the air outlet is used to heat the water stored in the waste heat recovery pipe 15. When heated to a certain temperature, hot water is discharged for daily use, and new cold water is injected for reheating, and the waste heat recovery effect is better.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An air compressor waste heat recovery system, comprising an air compressor body (1), characterized in that: The front end of the air compressor body (1) is provided with a cabinet door (2), and a mounting plate (4) is clamped on the outer side of the air outlet (3) on one side of the lower end of the air compressor body (1), and a waste heat recovery cover (5) is provided on one side of the mounting plate (4), and a waste heat recovery pipe (15) is provided inside the waste heat recovery cover (5), and the waste heat recovery pipe (15) is a three-dimensional spiral coil, and a temperature sensor (11) is provided in the middle of the water outlet end of the waste heat recovery pipe (15), and the temperature sensor (11) is electrically connected to a controller (17) outside the waste heat recovery cover (5), and an exhaust pipe (12) and an exhaust fan (10) are provided at one end of the waste heat recovery cover (5).

2. The air compressor waste heat recovery system according to claim 1, characterized in that: The inner side of the mounting plate (4) is provided with a mounting groove (13), and the inner wall of the mounting groove (13) is provided with a sealing gasket (14).

3. The air compressor waste heat recovery system according to claim 2, characterized in that: The side wall of the installation groove (13) is provided with a locking hole (9), and the internal thread of the locking hole (9) is provided with a locking bolt (8).

4. The air compressor waste heat recovery system according to claim 1, characterized in that: The waste heat recovery pipe (15) is provided with a water inlet pipe (6) and a water outlet pipe (7) at both ends, and valves (16) are provided on the water inlet pipe (6) and the water outlet pipe (7).

5. The air compressor waste heat recovery system according to claim 4, characterized in that: The valve (16) is a solenoid valve, and the valve (16) is electrically connected to a controller (17) outside the waste heat recovery cover (5).

6. The air compressor waste heat recovery system according to claim 1, characterized in that: The waste heat recovery pipe (15) is a metal pipe body, and the waste heat recovery pipe (15) is a threaded pipe with a successively decreasing diameter.

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