Coal mine air compressor energy-saving device

Abstract

The utility model relates to the technical field of energy-saving devices, in particular to an energy-saving device of a coal mine air compressor. According to the technical scheme, the air compressor comprises an air compressor box and a water tank and further comprises an air inlet pipe and an air outlet pipe, the two ends of the air inlet pipe and the two ends of the air outlet pipe are communicated with the air compressor box and the water tank respectively, a coiled pipe is arranged in the water tank, and a filtering assembly is fixedly installed at the top of the air compressor box and comprises an installation box and a filtering box. After cold water in the water containing cavity absorbs heat of high-temperature gas, the cold water is directly discharged through the water outlet pipe to be recycled, only one-time heat exchange is carried out, the energy loss rate is reduced, and the energy-saving effect is enhanced; and meanwhile, air entering the air compressor box again is filtered and cleaned, so that dust in the air is prevented from entering the air compressor box to influence the operation of the air compressor, and the service life of the air compressor is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of energy-saving devices, in particular to an energy-saving device for a coal mine air compressor. Background Art

[0002] An air compressor is a device that converts the mechanical energy of the motive force into gas pressure energy. It is a device that generates air pressure for compressed air. A coal mine air compressor energy-saving device refers to a technical measure or device for energy saving and consumption reduction adopted by air compressors used in the coal mining industry during operation. It is usually used to improve the energy utilization rate of air compressors. It can achieve the purpose of energy saving by optimizing the operation mode of the air compressor, reducing power consumption and energy waste. In the prior art, there is an energy-saving recovery device for a mining screw air compressor, which includes an air compressor case, and a water tank, a bellows, and a fan are fixedly installed on one side of the air compressor case. The utility model uses the air compressor case, a water tank, a bellows, a first exhaust fan, an air outlet pipe, a serpentine pipe, and an exhaust pipe in coordination with each other, so as to recycle the waste heat generated during the operation of the air compressor.

[0003] In the above working process, the water in the water tank absorbs the heat of the high-temperature air, and then transfers the heat to the cold water in the serpentine tube through heat exchange. The cold water in the serpentine tube absorbs the heat and then heats up for recycling. The heat of the high-temperature air will lose heat energy during the two heat exchanges, which increases the energy loss rate and reduces the energy-saving effect. Therefore, we propose an energy-saving device for coal mine air compressors. Summary of the invention

[0004] The utility model aims to propose an energy-saving device for coal mine air compressors in view of the problem that the heat of high-temperature air in the background technology will lose heat energy during two heat exchanges, thereby increasing the energy loss rate and reducing the energy-saving effect.

[0005] The technical solution of the utility model is: a coal mine air compressor energy-saving device, including an air compressor box and a water tank, and also includes:

[0006] An air inlet pipe and an air outlet pipe, both ends of which are connected to the air compressor box and the water tank respectively, and a serpentine pipe is provided in the water tank;

[0007] A filter assembly is fixedly mounted on the top of the air compressor case, wherein the filter assembly comprises a mounting box and a filter box, and the air inlet pipe is connected to the filter box.

[0008] Optionally, suction pumps are provided on the air inlet pipe and the air outlet pipe, a water containing chamber is opened in the water tank, a water inlet pipe is connected to the top of the water tank, a water outlet pipe is connected to one side of the water tank, and the water inlet pipe and the water outlet pipe are both connected to the water containing chamber.

[0009] Optionally, the serpentine tube is fixedly installed in the water containing cavity, one end of the serpentine tube is connected to the air inlet pipe, and the other end is connected to the air outlet pipe.

[0010] Optionally, the filter box is fixedly installed in the installation box, and the air inlet pipe passes through one end of the installation box and is connected to a first branch pipe. An air passage is opened in the filter box, and the first branch pipe is connected to the air passage. A second branch pipe is connected to the side of the air passage away from the first branch pipe, and the second branch pipe passes through the installation box and is connected to the air compressor case.

[0011] Optionally, two groups of filter plates are fixedly installed in the air passage, and a cleaning device for cleaning the filter plates is provided in the filter box. The cleaning device includes a cleaning plate slidably installed in the filter box and a collection box for collecting dust.

[0012] Optionally, the cleaning device also includes an electric push rod fixedly installed at the bottom of the filter box, the telescopic end of the electric push rod is fixedly installed with a connecting rod, the cleaning plate is fixedly installed at both ends of the connecting rod, the cleaning plate is respectively abutted against the two groups of filter plates, and the collecting box is slidably installed in the filter box.

[0013] Optionally, a groove for the electric push rod to pass through is opened at the center of the collection box, two groups of inner boxes are movably installed in the collection box, a handle is fixedly installed on one side of the collection box close to the installation box, and a rectangular hole for the collection box to pass through is opened on one side of the installation box.

[0014] Compared with the prior art, the utility model has the following beneficial technical effects:

[0015] 1. The utility model realizes that after the cold water in the water chamber absorbs the heat of the high-temperature gas, it is directly discharged through the water outlet pipe for recycling through the air inlet pipe, the air outlet pipe, the suction pump, the water tank, the water inlet pipe, the water outlet pipe, the serpentine pipe and the water chamber, and only one heat exchange is performed, which reduces the energy loss rate and enhances the energy-saving effect;

[0016] 2. The utility model filters and cleans the air re-entering the air compressor case through the filter box, filter plate, cleaning plate, electric push rod and collection box, thereby preventing dust in the air from entering the air compressor case and affecting the operation of the air compressor, thereby increasing the service life of the air compressor.

[0017] The utility model realizes that after the cold water in the water containing cavity absorbs the heat of the high-temperature gas, the water is directly discharged through the water outlet pipe for recycling, and only one heat exchange is performed, which reduces the energy loss rate and enhances the energy-saving effect; at the same time, it realizes filtering and cleaning of the air re-entering the air compressor box, thereby preventing dust in the air from entering the air compressor box and affecting the operation of the air compressor, thereby increasing the service life of the air compressor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0019] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0020] Figure 3 A schematic diagram of the side cross-sectional structure of the water tank of the utility model is given;

[0021] Figure 4 A schematic diagram of the front cross-sectional structure of the filter box in the utility model is given;

[0022] Figure 5 A structural schematic diagram of the collecting box in the utility model is given.

[0023] Figure numerals: 1. air compressor case; 2. water tank; 201. water holding chamber; 202. third branch pipe; 3. filter box; 301. air passage; 302. filter plate; 4. air inlet pipe; 5. air outlet pipe; 6. suction pump; 7. water outlet pipe; 8. installation box; 81. rectangular hole; 9. serpentine pipe; 10. first branch pipe; 11. collecting box; 111. groove; 112. inner box; 113. handle; 12. electric push rod; 13. connecting rod; 14. cleaning plate; 15. second branch pipe; 16. water inlet pipe. DETAILED DESCRIPTION

[0024] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0025] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0026] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0027] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0028] It should be noted that the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Example

[0031] like Figure 1 As shown in Figure 5, the utility model proposes an energy-saving device for coal mine air compressor, including an air compressor case 1 and a water tank 2, and also includes an air inlet pipe 4 and an air outlet pipe 5. The two ends of the air inlet pipe 4 and the air outlet pipe 5 are respectively connected to the air compressor case 1 and the water tank 2, and a serpentine pipe 9 is provided in the water tank 2.

[0032] Among them, suction pumps 6 are provided on the air inlet pipe 4 and the air outlet pipe 5, a water containing chamber 201 is opened in the water tank 2, the top of the water tank 2 is connected with a water inlet pipe 16, the water containing chamber 201 is filled with cold water through the water inlet pipe 16, one side of the water tank 2 is connected with a water outlet pipe 7, the bottom of the water containing chamber 201 is connected with a third branch pipe 202, the water outlet pipe 7 is connected to the water containing chamber 201 through the third branch pipe 202, the water inlet pipe 16 and the water outlet pipe 7 are both connected to the water containing chamber 201, and the high-temperature gas passes through the air outlet pipe 5, the serpentine pipe 9, and the air inlet pipe 4 in turn and then re-enters the air compressor case 1 after being cooled.

[0033] In addition, the serpentine tube 9 is fixedly installed in the water containing chamber 201, one end of the serpentine tube 9 is connected to the air inlet pipe 4, and the other end is connected to the air outlet pipe 5. Since the serpentine tube 9 is located in the water containing chamber 201 filled with cold water, the high-temperature gas in the serpentine tube 9 exchanges heat with the cold water, so that the high-temperature gas in the serpentine tube 9 is cooled down, and at the same time, the cold water in the water containing chamber 201 is heated, and then discharged from the water tank through the water outlet pipe 7 for recycling.

[0034] In this embodiment, a filter assembly is fixedly installed on the top of the air compressor case 1, and the filter assembly includes a mounting box 8 and a filter box 3, and the air intake pipe 4 is connected to the filter box 3. The filter box 3 is fixedly installed in the mounting box 8, and one end of the air intake pipe 4 that passes through the mounting box 8 is connected to the first branch pipe 10, and an air passage 301 is provided in the filter box 3, and the first branch pipe 10 is connected to the air passage 301, and the side of the air passage 301 away from the first branch pipe 10 is connected to the second branch pipe 15, and the second branch pipe 15 passes through the mounting box 8 and is connected to the air compressor case 1, and the suction pump 6 on the air intake pipe 4 is started, so that the high-temperature gas cooled in the serpentine pipe 9 enters the air intake pipe 4, and then enters the air passage 301 in the filter box 3 through the first branch pipe 10.

[0035] Among them, two groups of filter plates 302 are fixedly installed in the air passage 301. The cooled high-temperature gas passes through the two groups of filter plates 302 in the air passage 301 in turn, and the filtered gas returns to the air compressor box 1 through the second branch pipe 15. A cleaning device for cleaning the filter plates 302 is provided in the filter box 3. The cleaning device includes a cleaning plate 14 slidably installed in the filter box 3 and a collection box 11 for collecting dust.

[0036] like Figure 4As shown in Figure 5, the cleaning device also includes an electric push rod 12 fixedly installed at the bottom of the filter box 3, and the telescopic end of the electric push rod 12 is fixedly installed with a connecting rod 13, and a cleaning plate 14 is fixedly installed at both ends of the connecting rod 13. The cleaning plate 14 is respectively abutted against the two groups of filter plates 302, and the collecting box 11 is slidably installed in the filter box 3. The electric push rod 12 is started, so that the cleaning plate 14 moves on the surface of the filter plate 302 to scrape and clean the dust on the filter plate 302, and the dust scraped by the cleaning plate 14 enters the two inner boxes 112 in the collecting box 11 to collect the cleaned dust.

[0037] Among them, a groove 111 is provided at the center of the collection box 11 for the power push rod 12 to pass through, two groups of inner boxes 112 are movably installed in the collection box 11, and a handle 113 is fixedly installed on the side of the collection box 11 close to the installation box 8. A rectangular hole 81 is provided on one side of the installation box 8 for the collection box 11 to pass through. The staff can pull the handle 113 to pull out the collection box 11 and clean the dust collected in the inner box 112, thereby filtering and cleaning the air that re-enters the air compressor case 1, thereby preventing dust in the air from entering the air compressor case 1 and affecting the operation of the air compressor, thereby increasing the service life of the air compressor. In addition, the amount of dust in the two inner boxes 112 can be checked to determine whether the filter plate 302 needs to be replaced.

[0038] Working principle: In the working process of the utility model, the suction pump 6 arranged on the air outlet pipe 5 is first started, so that the high-temperature gas in the air compressor case 1 enters the serpentine pipe 9 in the water tank 2 through the air outlet pipe 5. Since the serpentine pipe 9 is located in the water containing chamber 201 filled with cold water, the high-temperature gas in the serpentine pipe 9 exchanges heat with the cold water, so that the high-temperature gas in the serpentine pipe 9 is cooled down. At the same time, the cold water in the water containing chamber 201 is heated, and then discharged from the water tank through the water outlet pipe 7 for recycling. In addition, the suction pump 6 on the air inlet pipe 4 is started, so that the cooled high-temperature gas in the serpentine pipe 9 enters the air inlet pipe 4, and then enters the air passage 301 in the filter box 3 through the first branch pipe 10, and passes through the two groups of filter plates 302 in the air passage 301 in turn. The filtered gas then returns to the air compressor case 1 through the second branch pipe 15 In the air compressor box 1, after the cold water in the water chamber 201 absorbs heat from the high-temperature gas, it is directly discharged through the water outlet pipe 7 for recycling, and only one heat exchange is performed, which reduces the energy loss rate and enhances the energy-saving effect; the electric push rod 12 is started, so that the cleaning plate 14 fixedly installed at both ends of the connecting rod 13 moves on the surface of the filter plate 302 to scrape and clean the dust on the filter plate 302, and the dust scraped by the cleaning plate 14 enters the two inner boxes 112 in the collecting box 11. The staff can pull the handle 113 to pull out the collecting box 11 and clean the dust collected in the inner box 112, thereby filtering and cleaning the air that re-enters the air compressor box 1, thereby avoiding dust in the air from entering the air compressor box 1 and affecting the operation of the air compressor, thereby increasing the service life of the air compressor.

[0039] The above-mentioned specific embodiments are only several optional embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A coal mine air compressor energy-saving device, comprising an air compressor box (1) and a water tank (2), characterized in that: Also includes: An air inlet pipe (4) and an air outlet pipe (5), wherein both ends of the air inlet pipe (4) and the air outlet pipe (5) are respectively connected to the air compressor case (1) and the water tank (2), and a serpentine pipe (9) is provided in the water tank (2); A filter assembly is fixedly mounted on the top of the air compressor case (1), wherein the filter assembly comprises a mounting box (8) and a filter box (3), and the air inlet pipe (4) is connected to the filter box (3).

2. A coal mine air compressor energy saving device according to claim 1, characterized in that: The air inlet pipe (4) and the air outlet pipe (5) are both provided with a suction pump (6); a water containing chamber (201) is provided in the water tank (2); the top of the water tank (2) is connected to a water inlet pipe (16); one side of the water tank (2) is connected to a water outlet pipe (7); the water inlet pipe (16) and the water outlet pipe (7) are both connected to the water containing chamber (201).

3. A coal mine air compressor energy saving device according to claim 2, characterized in that: The serpentine tube (9) is fixedly installed in the water containing chamber (201); one end of the serpentine tube (9) is connected to the air inlet pipe (4), and the other end is connected to the air outlet pipe (5).

4. The energy-saving device for coal mine air compressor according to claim 3, characterized in that: The filter box (3) is fixedly installed in the installation box (8); one end of the air inlet pipe (4) passing through the installation box (8) is connected to a first branch pipe (10); an air passage (301) is provided in the filter box (3); the first branch pipe (10) is connected to the air passage (301); a side of the air passage (301) away from the first branch pipe (10) is connected to a second branch pipe (15); the second branch pipe (15) passes through the installation box (8) and is connected to the air compressor case (1).

5. The energy-saving device for coal mine air compressor according to claim 4, characterized in that: Two groups of filter plates (302) are fixedly installed in the air passage (301), and a cleaning device for cleaning the filter plates (302) is provided in the filter box (3), wherein the cleaning device comprises a cleaning plate (14) slidably installed in the filter box (3) and a collection box (11) for collecting dust.

6. A coal mine air compressor energy saving device according to claim 5, characterized in that: The cleaning device also includes an electric push rod (12) fixedly mounted on the bottom of the filter box (3), a connecting rod (13) fixedly mounted on the telescopic end of the electric push rod (12), the cleaning plate (14) fixedly mounted on both ends of the connecting rod (13), the cleaning plate (14) respectively abutting against the two groups of filter plates (302), and the collecting box (11) is slidably mounted in the filter box (3).

7. A coal mine air compressor energy saving device according to claim 6, characterized in that: A groove (111) is provided at the center of the collection box (11) for the electric push rod (12) to pass through, two groups of inner boxes (112) are movably installed in the collection box (11), a handle (113) is fixedly installed on one side of the collection box (11) close to the installation box (8), and a rectangular hole (81) is provided on one side of the installation box (8) for the collection box (11) to pass through.

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