Waste heat recovery structure of air compressor

Abstract

The utility model discloses a waste heat recovery structure of an air compressor, which belongs to the technical field of air compressors and comprises an air compressor body, the air compressor body comprises an exhaust pipe, an air inlet pipe and an air storage tank, and both the exhaust pipe and the air inlet pipe are communicated with the air storage tank; the preheating device comprises a preheating copper pipe and a preheating box used for containing the preheating copper pipe, the preheating copper pipe is communicated with the exhaust pipe, and the air inlet pipe is communicated with the preheating box; according to the air compressor, the preheating device is arranged, after a valve of the exhaust pipe is opened by a worker, high-pressure air in the air storage tank further reaches the preheating copper pipe communicated with the exhaust pipe through the exhaust pipe, and the high-pressure air generates friction with a plurality of moving parts in the air compressor body; furthermore, the temperature of the high-pressure gas exhausted from the exhaust pipe is increased, the temperature in the preheating box is increased due to the high heat conductivity of the preheating copper pipe, preheating of the air is achieved, and therefore reduction of energy consumption of the compressor is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of air compressors, and particularly relates to a waste heat recovery structure for an air compressor. Background Art

[0002] An air compressor, whose full name is air compressor, is a device that compresses the air in the atmosphere into high-pressure gas, and then transports the compressed high-pressure gas to a gas storage tank or directly uses it for various industrial applications;

[0003] Since a large amount of heat is generated during the process of an air compressor compressing air, the temperature of the high-pressure gas discharged from the exhaust pipe of the air compressor is also relatively high. If these heats are not converted into utilizable heat energy, it will cause waste of energy;

[0004] In addition, after the air is preheated, its density is lower and the collision between molecules is reduced, which helps to reduce the energy consumption of the compressor of the air compressor. And through preheating, it can also prevent the moisture in the air from condensing during the compression process, reducing the corrosion and damage to the compressor. However, if additional preheating equipment is needed, it will increase energy consumption and cost. Therefore, a waste heat recovery structure for an air compressor is needed to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a waste heat recovery structure for an air compressor to solve the problems put forward in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A waste heat recovery structure for an air compressor, comprising:

[0007] An air compressor body, the air compressor body includes an exhaust pipe, an intake pipe and a gas storage tank, and the exhaust pipe and the intake pipe are both communicated with the gas storage tank;

[0008] A preheating device, the preheating device includes a preheating copper pipe and a preheating box for accommodating the preheating copper pipe, the preheating copper pipe is communicated with the exhaust pipe, and the intake pipe is communicated with the preheating box.

[0009] As a preferred scheme, the preheating device further includes a plurality of filter plates arranged at intervals, and the plurality of filter plates are horizontally placed in the preheating box.

[0010] As a preferred scheme, the preheating box includes a box door and a sliding groove for the box door to slide, and the sliding groove is adapted to both sides of the box door.

[0011] As a preferred solution, the preheating device further includes a locking assembly. There are two locking assemblies, which are respectively arranged on two adjacent side surfaces of the preheating box where the door is located. The locking assembly includes a locking member, a rotating shaft rotatably connected to the locking member, and a return spring sleeved on the rotating shaft.

[0012] As a preferred solution, a roller is further installed at one end of the locking member away from the rotating shaft.

[0013] As a preferred solution, the preheating box further includes a holding handle, and the two locking assemblies are symmetrically distributed with the holding handle as the center.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] In the present utility model, by providing a preheating device, the preheating device includes a preheating copper tube and a preheating box for accommodating the preheating copper tube. The preheating copper tube is communicated with the exhaust pipe, and the intake pipe is communicated with the preheating box. After the worker opens the valve of the exhaust pipe, the high-pressure gas in the gas storage tank further reaches the preheating copper tube communicated with the exhaust pipe. Since the high-pressure gas generates friction with many moving parts inside the air compressor body, the temperature of the high-pressure gas discharged from the exhaust pipe is further increased. And due to the strong heat conductivity of the preheating copper tube, the temperature in the preheating box is increased, and the preheating of the air is realized, which helps to reduce the energy consumption of the compressor.

[0016] In the present utility model, by providing a locking assembly, there are two locking assemblies, which are respectively arranged on two adjacent side surfaces of the preheating box where the door is located. The locking assembly includes a locking member, a rotating shaft rotatably connected to the locking member, and a return spring sleeved on the rotating shaft. In this way, when the worker does not need to open the door, the door can be fixed to prevent the door from falling out of the sliding groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional schematic diagram of one angle of the present utility model;

[0018] Figure 2 is a three-dimensional schematic diagram of the preheating device of the present utility model;

[0019] Figure 3 is of the present utility model Figure 2 partial enlarged view of part A;

[0020] Figure 4 is a three-dimensional schematic diagram of another angle of the present utility model;

[0021] Figure 5 is of the present utility model Figure 4 partial enlarged view of part B.

[0022] In the figure: 1. Air compressor body; 11. Exhaust pipe; 12. Intake pipe; 13. Air storage tank; 2. Preheating device; 21. Preheating copper pipe; 22. Preheating box; 221. Box door; 222. Slide groove; 223. Holding handle; 23. Filter plate; 24. Locking assembly; 241. Locking piece; 242. Rotating shaft; 243. Return spring; 244. Roller. Specific embodiments

[0023] The following describes the present utility model in further detail with reference to embodiments.

[0024] The following embodiments are used to illustrate the present utility model, but cannot be used to limit the protection scope of the present utility model. The conditions in the embodiments can be further adjusted according to specific conditions. Any simple improvement of the method of the present utility model under the premise of the concept of the present utility model belongs to the protection scope required by the present utility model.

[0025] Please refer to Figures 1-5 , the present utility model provides a waste heat recovery structure for an air compressor, including:

[0026] An air compressor body 1, the air compressor body 1 includes an exhaust pipe 11, an intake pipe 12 and an air storage tank 13. The exhaust pipe 11 and the intake pipe 12 are both connected to the air storage tank 13. The exhaust pipe 11 is used to discharge the high-pressure gas in the air storage tank 13 to the outside of the air compressor body 1, and the air in the atmosphere enters the compressor through the intake pipe 12 and is compressed into high-pressure gas;

[0027] A preheating device 2, the preheating device 2 includes a preheating copper pipe 21 and a preheating box 22 for accommodating the preheating copper pipe 21. The preheating copper pipe 21 is connected to the exhaust pipe 11, and the intake pipe 12 is connected to the preheating box 22. By providing the preheating box 22 outside the intake pipe 12, the air first passes through the preheating box 22 and then enters the intake pipe 12 through the preheating copper pipe 21, thereby realizing the preheating of the air;

[0028] The preheating device 2 further includes a plurality of filter plates 23 arranged at intervals. The plurality of filter plates 23 are horizontally placed in the preheating box 22. The filter plates 23 are used to capture and remove other solid impurities such as dust in the air, which helps to protect the internal components of the air compressor and prevent these impurities from causing wear or damage;

[0029] The preheating box 22 includes a box door 221 and a slide groove 222 for the box door 221 to slide. The slide groove 222 is adapted to both sides of the box door 221. By providing the box door 221, it is convenient for workers to open the preheating box 22 to repair the filter plate 23 therein or clean the preheating copper pipe 21. By providing the slide groove 222, it is easier to open the box door 221;

[0030] The preheating device 2 further includes a locking assembly 24. There are two locking assemblies 24, which are respectively arranged on the two adjacent side surfaces of the preheating box 22 where the box door 221 is located. The locking assembly 24 includes a locking member 241, a rotating shaft 242 rotatably connected to the locking member 241, and a return spring 243 sleeved on the rotating shaft 242. By providing the locking assembly 24, in this way, when the worker does not need to open the box door 221, the box door 221 can be fixed to prevent the box door 221 from falling out of the sliding groove 222;

[0031] A roller 244 is further installed at the end of the locking member 241 away from the rotating shaft 242. In this way, when the locking member 241 slides along the side of the box door 221 as the box door 221 slides, the roller 244 also rolls together, effectively reducing the friction force and preventing the locking member 241 and the box door 221 from being worn;

[0032] The preheating box 22 further includes a holding handle 223. The two locking assemblies 24 are symmetrically distributed with the holding handle 223 as the center. By providing the holding handle 223, it is more convenient for the worker to move the box door 221.

[0033] The working principle and usage process of the present utility model:

[0034] The air in the atmosphere passes through the intake pipe 12 and is compressed and then stored in the air storage tank 13; after the worker opens the valve of the exhaust pipe 11, the high-pressure gas in the air storage tank 13 further reaches the preheating copper pipe 21 connected to the exhaust pipe 11 through the exhaust pipe 11; since the high-pressure gas generates friction with many moving parts inside the air compressor body 1, the temperature of the high-pressure gas discharged from the exhaust pipe 11 is further increased; due to the strong heat conductivity of the preheating copper pipe 21, the temperature in the preheating box 22 is increased;

[0035] The air is heated during the process of passing through the preheating box 22, and the heated air is compressed into high-pressure gas by the compressor after passing through the intake pipe 12; in this way, by providing the preheating box 22 and the preheating copper pipe 21, the preheating of the air is realized, which helps to reduce the energy consumption of the compressor, and the moisture in the air will not condense during the compression process after preheating, thereby reducing the corrosion and damage to the compressor; and the heat generated by the high-pressure gas in the exhaust pipe 11 is recycled;

[0036] As the service life of the air compressor body 1 extends, impurities will inevitably remain on the filter plate 23 spaced in the preheating box 22, and workers need to clean it regularly to prevent excessive air impurities from entering the air compressor body 1. Also, the preheating copper tube 21 needs to be repaired regularly. Therefore, workers need to open the door 221 of the preheating box 22. Workers only need to pull the holding handle 223 upward, so that the door 221 slides upward along the chute 222. At this time, the two locking members 241 clamped at the upper end of the door 221 rotate around the rotating shaft 242 at the same time, and the return spring 243 is stretched;

[0037] As the worker continues to drive the door 221 upward by holding the handle 223, the rollers 244 keep sliding along both sides of the door 221; in this way, the preheating box 22 is in a semi-closed state, and workers can clean the filter plate 23 in the preheating box 22 or repair the preheating copper tube 21 through the opening formed by the door 221, and the operation is simple.

[0038] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air compressor waste heat recovery structure, characterized in that, Comprising: An air compressor body (1), the air compressor body (1) includes an exhaust pipe (11), an intake pipe (12) and a gas storage tank (13), and both the exhaust pipe (11) and the intake pipe (12) are communicated with the gas storage tank (13); A preheating device (2), the preheating device (2) includes a preheating copper pipe (21) and a preheating box (22) for accommodating the preheating copper pipe (21), the preheating copper pipe (21) is communicated with the exhaust pipe (11), and the intake pipe (12) is communicated with the preheating box (22).

2. The waste heat recovery structure of an air compressor according to claim 1, characterized in that: The preheating device (2) further includes a plurality of filter plates (23) arranged at intervals, and the plurality of filter plates (23) are horizontally placed in the preheating box (22).

3. The waste heat recovery structure of an air compressor according to claim 2, characterized in that: The preheating box (22) includes a box door (221) and a chute (222) for the box door (221) to slide, and the chute (222) is adapted to both sides of the box door (221).

4. The waste heat recovery structure of an air compressor according to claim 3, characterized in that: The preheating device (2) further includes a locking assembly (24), two locking assemblies (24) are provided, and the two locking assemblies (24) are respectively arranged on two adjacent side surfaces of the preheating box (22) where the box door (221) is located. The locking assembly (24) includes a locking member (241), a rotating shaft (242) rotatably connected to the locking member (241), and a return spring (243) sleeved on the rotating shaft (242).

5. The waste heat recovery structure of an air compressor according to claim 4, characterized in that: A roller (244) is further installed at one end of the locking member (241) away from the rotating shaft (242).

6. The waste heat recovery structure of an air compressor according to claim 4, characterized in that: The preheating box (22) further includes a holding handle (223), and the two locking assemblies (24) are symmetrically distributed with the holding handle (223) as the center.

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