Low-emission silencer of air compressor

Abstract

The utility model discloses a low-emission silencer of an air compressor, which belongs to the technical field of air compressors, and comprises a waste gas inlet pipe, a vertical filter tank is arranged at the bottom of the waste gas inlet pipe, a transverse connecting pipe is arranged at one end of the vertical filter tank, an emission silencing component is arranged at one end of the transverse connecting pipe, and the exhaust silencing component is arranged at the other end of the transverse connecting pipe. The discharging noise reduction assembly is composed of a first transverse discharging pipe, a filtering assembly and a second transverse discharging pipe, the filtering assembly is arranged at one end of the first transverse discharging pipe, dust and particulate matter can be effectively filtered through a stainless steel funnel-shaped filtering net, discharging pollution is reduced, and through the design of a vertical scraping plate and a detachable circular material receiving pipe, the discharging noise reduction effect is good. The air compressor is more convenient to clean and maintain, the maintenance cost is reduced, the noise of the air compressor can be remarkably reduced through the design of the first sound absorption layer, the second sound absorption layer and the circular silencing pipe, broadband noise, especially low-frequency noise, can be effectively absorbed, and the silencing effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air compressor technical field, concretely relates to a kind of air compressor low emission muffler. BACKGROUND

[0002] Air compressor is a kind of device for converting mechanical energy into gas pressure energy, and is widely used in industrial production and daily life. However, air compressor will produce a lot of noise and emissions, including dust, oil mist and other particulate matter, these emissions not only pollute the environment, but also affect the performance and service life of air compressor, at the same time, the high decibel noise produced by air compressor when running will also have negative impact on working environment and personnel health;

[0003] Traditional filter screen is easy to accumulate dust after long time use, which leads to increased airflow resistance, affecting the working efficiency of air compressor, the existing muffler is designed for middle and high frequency noise, and the absorption effect of low frequency noise is poor, the cleaning and replacement process of filter device and muffler is complex, which increases maintenance cost and time, therefore, we design a kind of air compressor low emission muffler to provide another technical solution for the above technical problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of air compressor low emission muffler to solve the problems of existing technology in use in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of air compressor low emission muffler, including waste gas inlet pipe, the bottom of the waste gas inlet pipe is provided with vertical filter tank, one end of the vertical filter tank is provided with horizontal connecting pipe, one end of the horizontal connecting pipe is provided with emission muffling assembly, the emission muffling assembly is composed of first horizontal discharge pipe, filter assembly and second horizontal discharge pipe, one end of the first horizontal discharge pipe is provided with filter assembly, one end of the filter assembly is provided with second horizontal discharge pipe, the bottom of the horizontal connecting pipe is provided with moving assembly for the movement of second horizontal discharge pipe.

[0006] Preferably, the inside of the vertical filter tank is fixed with stainless steel hopper type filter screen, the bottom of the stainless steel hopper type filter screen is provided with detachable circular material receiving pipe, the inside of the bottom end of the circular material receiving pipe is rotatably connected with circular rotary piece, the top of the circular rotary piece is fixed with a plurality of vertical scrapers, the bottom of the circular material receiving pipe is provided with hand wheel, the hand wheel is rotatably connected with the circular material receiving pipe through bearing, and the top of the hand wheel is fixedly connected with the circular rotary piece.

[0007] Preferably, the bottom of the vertical filter tank is fixed with a circular fixing ring, the outer side of the circular fixing ring is threadedly connected with a circular rotating ring, and the circular rotating ring is rotationally connected with the circular material receiving pipe.

[0008] Preferably, the inside of the circular material receiving pipe is fixed with a circular rotating block, the inside of the circular rotating ring is provided with a circular rotating groove, and the circular material receiving pipe and the circular rotating ring are rotationally connected through cooperation of the circular rotating block and the circular rotating groove.

[0009] Preferably, the filter assembly comprises a horizontal filter tank, a plurality of gas filter plates are uniformly arranged in the inside of the horizontal filter tank, circular connecting rings are fixed at both ends of the horizontal filter tank, and circular sealing rings are arranged in the inside of the circular connecting rings.

[0010] Preferably, the moving assembly comprises an L-shaped mounting plate, the outer side of the horizontal connecting pipe is fixed with the L-shaped mounting plate, one end of the L-shaped mounting plate is bolted with a driving motor, the output end of the driving motor is fixed with a horizontal threaded rod, the outer side of the horizontal threaded rod is threadedly connected with a horizontal moving plate, and the horizontal moving plate is sleeved on the outer side of the second horizontal discharge pipe and fixedly connected with the second horizontal discharge pipe.

[0011] Preferably, the top of the L-shaped mounting plate is fixed with a T-shaped sliding block, the inside of the horizontal moving plate is provided with a T-shaped sliding groove, and the horizontal moving plate and the L-shaped mounting plate are slidingly connected through cooperation of the T-shaped sliding block and the T-shaped sliding groove.

[0012] Preferably, the inner side of the second horizontal discharge pipe is provided with a first sound-absorbing layer, the inner side of the first sound-absorbing layer is provided with a second sound-absorbing layer, and the inside of the second horizontal discharge pipe and the inside of the second sound-absorbing layer are further provided with a circular sound-absorbing pipe, and the material of the first sound-absorbing layer is glass fiber.

[0013] The material of the second sound-absorbing layer is rock wool.

[0014] The inside of the circular sound-absorbing pipe is uniformly provided with circular through holes.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The stainless steel funnel type filter screen can effectively filter dust and particulate matter and reduce emission pollution, the design of the vertical scraper and the detachable circular material receiving pipe makes cleaning and maintenance more convenient and reduces maintenance cost, the design of the first sound-absorbing layer, the second sound-absorbing layer and the circular sound-absorbing pipe can significantly reduce the noise of the air compressor, effectively absorb wideband noise, especially low-frequency noise, improve the sound-absorbing effect, improve the working environment, and the installation and dismounting of the circular material receiving pipe and the filter assembly are more convenient, improving the maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is the structure schematic view of the driving motor and the horizontal screw rod of the utility model;

[0019] Figure 3 It is the structure schematic view of the inside of the vertical filter tank of the utility model;

[0020] Figure 4 It is the structure schematic view of the circular rotating ring and the circular fixed ring of the utility model;

[0021] Figure 5 It is the structure schematic view of the circular rotating piece and the vertical scraper of the utility model;

[0022] Figure 6 It is the structure schematic view of the stainless steel hopper type filter screen and the circular material receiving pipe of the utility model;

[0023] Figure 7 It is the structure schematic view of the first sound absorbing layer and the second sound absorbing layer of the utility model.

[0024] In the drawing: 1, exhaust gas inlet pipe; 2, vertical filter tank; 3, horizontal connecting pipe; 4, first horizontal discharge pipe; 5, second horizontal discharge pipe; 6, horizontal filter tank; 7, L-shaped mounting plate; 8, driving motor; 9, horizontal screw rod; 10, horizontal moving plate; 11, hand wheel; 12, circular rotating ring; 13, stainless steel hopper type filter screen; 14, circular material receiving pipe; 15, circular fixed ring; 16, circular rotating piece; 17, vertical scraper; 18, circular connecting ring; 19, circular sealing ring; 20, gas filter plate; 21, first sound absorbing layer; 22, second sound absorbing layer; 23, circular sound absorbing pipe. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Refer to Figures 1-7The utility model provides an air compressor low emission muffler, including exhaust gas intake pipe 1, the bottom of exhaust gas intake pipe 1 is provided with vertical filter tank 2, one end of vertical filter tank 2 is provided with horizontal connecting pipe 3, one end of horizontal connecting pipe 3 is provided with emission muffling subassembly, and emission muffling subassembly is composed of first horizontal discharge pipe 4, filter assembly and second horizontal discharge pipe 5, one end of first horizontal discharge pipe 4 is provided with filter assembly, one end of filter assembly is provided with second horizontal discharge pipe 5, and the bottom of horizontal connecting pipe 3 is provided with moving assembly for the movement of second horizontal discharge pipe 5,

[0027] The inside of the vertical filter tank 2 is fixed with a stainless steel funnel-shaped filter screen 13, the bottom of the stainless steel funnel-shaped filter screen 13 is provided with a detachable circular material receiving pipe 14, the inside of the bottom end of the circular material receiving pipe 14 is rotatably connected with a circular rotating piece 16, the top of the circular rotating piece 16 is fixed with a plurality of vertical scrapers 17, the bottom of the circular material receiving pipe 14 is provided with a hand wheel 11, the hand wheel 11 penetrates the inside of the circular material receiving pipe 14 and is rotatably connected with the circular material receiving pipe 14 through a bearing, the top of the hand wheel 11 is fixedly connected with the circular rotating piece 16, when the circular material receiving pipe 14 is connected with the stainless steel funnel-shaped filter screen 13, the hand wheel 11 is rotated, the rotation of the hand wheel 11 enables the circular rotating piece 16 to rotate, the rotation of the circular rotating piece 16 enables the plurality of vertical scrapers 17 to rotate in the inside of the stainless steel funnel-shaped filter screen 13, thereby enabling the vertical scrapers 17 to scrape the inside of the stainless steel funnel-shaped filter screen 13, so that the dust on the inside of the stainless steel funnel-shaped filter screen 13 falls into the inside of the circular fixed ring 15;

[0028] The bottom of the vertical filter tank 2 is fixed with a circular fixed ring 15, the outside of the circular fixed ring 15 is threadedly connected with a circular rotating ring 12, the circular rotating ring 12 is rotatably connected with the circular material receiving pipe 14, by rotating the circular rotating ring 12, the circular material receiving pipe 14 can be moved towards the bottom of the stainless steel funnel-shaped filter screen 13, thereby enabling the circular material receiving pipe 14 to be fixed to the bottom of the stainless steel funnel-shaped filter screen 13;

[0029] The inside of the circular material receiving pipe 14 is fixed with a circular rotating block, the inside of the circular rotating ring 12 is provided with a circular rotating groove, the circular material receiving pipe 14 and the circular rotating ring 12 are rotatably connected through the cooperation of the circular rotating block and the circular rotating groove, by the arrangement of the circular rotating block and the circular rotating groove, the circular rotating ring 12 can rotate on the outside of the circular material receiving pipe 14;

[0030] At this point, the circular receiving pipe 14 is inserted into the interior of the vertical filter tank 2, and then the circular rotating ring 12 is rotated, so that the circular rotating ring 12 can rotate on the outside of the circular receiving pipe 14. Through the threaded connection of the circular rotating ring 12 and the circular fixed ring 15, the circular receiving pipe 14 can be fixed in the interior of the vertical filter tank 2, and the rotation of the circular rotating ring 12 can move the circular receiving pipe 14 towards the bottom of the stainless steel funnel-shaped filter screen 13, so that the stainless steel funnel-shaped filter screen 13 can be attached to the circular receiving pipe 14. Then rotate the hand wheel 11, the rotation of the hand wheel 11 can rotate the circular rotating part 16, the rotation of the circular rotating part 16 can rotate the vertical scraper 17, and the rotation of the vertical scraper 17 can scrape the dust in the interior of the stainless steel funnel-shaped filter screen 13. The cleaning of the interior of the stainless steel funnel-shaped filter screen 13 can keep the stainless steel funnel-shaped filter screen 13 in good filtering performance, so that the dust can fall into the interior of the circular receiving pipe 14. When it is necessary to unload the dust in the interior of the circular receiving pipe 14, the rotation of the circular rotating ring 12 can disassemble the circular receiving pipe 14 in the interior of the vertical filter tank 2, so that the dust in the interior of the circular receiving pipe 14 can be unloaded.

[0031] The filter assembly includes a horizontal filter tank 6, a plurality of gas filter plates 20 are uniformly arranged in the interior of the horizontal filter tank 6, and a circular connecting ring 18 is fixed at both ends of the horizontal filter tank 6. A circular sealing ring 19 is arranged in the interior of the circular connecting ring 18. Through the arrangement of the gas filter plate 20, the impurities in the air can be filtered, and through the arrangement of the circular sealing ring 19, the sealing performance between the first horizontal discharge pipe 4 and the horizontal filter tank 6 and the second horizontal discharge pipe 5 and the horizontal filter tank 6 can be improved.

[0032] The moving assembly includes an L-shaped mounting plate 7, the L-shaped mounting plate 7 is fixed outside the horizontal connecting pipe 3, one end of the L-shaped mounting plate 7 is bolted with a driving motor 8, the output end of the driving motor 8 is fixed with a horizontal threaded rod 9, and the horizontal threaded rod 9 is threadedly connected with a horizontal moving plate 10. The horizontal moving plate 10 is sleeved outside the second horizontal discharge pipe 5 and is fixedly connected with the second horizontal discharge pipe 5.

[0033] A T-shaped sliding block is fixed to the top of the L-shaped mounting plate 7, a T-shaped sliding groove is formed in the interior of the horizontal moving plate 10, and the horizontal moving plate 10 and the L-shaped mounting plate 7 are slidably connected through the cooperation of the T-shaped sliding block and the T-shaped sliding groove. The horizontal moving plate 10 can move horizontally on the top of the L-shaped mounting plate 7, and the movement of the horizontal moving plate 10 can move the second horizontal discharge pipe 5.

[0034] The inner side of the second transverse exhaust pipe 5 is provided with a first sound-absorbing layer 21, the inner side of the first sound-absorbing layer 21 is provided with a second sound-absorbing layer 22, and the inside of the second transverse exhaust pipe 5 and inside the second sound-absorbing layer 22 is further provided with a circular sound-absorbing pipe 23. The material of the first sound-absorbing layer 21 is glass fiber, which has a large number of micro pores inside, which can effectively absorb sound wave energy. When the sound wave enters the material, friction and vibration will be generated in the pores, thereby converting sound energy into heat energy;

[0035] The material of the second sound-absorbing layer 22 is rock wool, which has a large number of micro pores and fiber interlaced structure inside, which can effectively absorb sound wave energy. After the sound wave enters the material, friction and vibration are generated in the pores, converting sound energy into heat energy;

[0036] The inside of the circular sound-absorbing pipe 23 is uniformly provided with circular through holes. When the sound wave passes through the circular through holes in the circular sound-absorbing pipe 23, friction and vortex will be generated in the orifice and the hole, resulting in sound wave energy loss, which can effectively reduce noise, especially medium and high frequency noise. The design of the circular through hole allows airflow to pass through while achieving the effect of sound absorption, avoiding excessive resistance to airflow;

[0037] Here, the gas inside the stainless steel funnel type filter screen 13 enters the inside of the first transverse exhaust pipe 4 through the transverse connecting pipe 3. Through the arrangement of multiple gas filter plates 20, impurities inside the gas can be filtered. Through the arrangement of the first sound-absorbing layer 21, the second sound-absorbing layer 22 and the circular sound-absorbing pipe 23, the noise generated when the gas is discharged can be reduced, thereby reducing the impurities and noise when the air compressor discharges exhaust gas. Through the operation of the driving motor 8, the transverse threaded rod 9 can rotate, the rotation of the transverse threaded rod 9 makes the transverse moving plate 10 slide horizontally on the top of the L-shaped mounting plate 7, the sliding of the transverse moving plate 10 makes the second transverse exhaust pipe 5 move horizontally at one end of the first transverse exhaust pipe 4, so that the transverse filter tank 6 can be disassembled to facilitate the replacement and maintenance of the gas filter plate 20 inside the transverse filter tank 6.

[0038] The stainless steel funnel type filter screen 13 can effectively filter dust and particulate matter, reduce emission pollution, and the design of the vertical scraper 17 and the detachable circular material receiving pipe 14 makes cleaning and maintenance more convenient, reduces maintenance cost, and the design of the first sound-absorbing layer 21, the second sound-absorbing layer 22 and the circular sound-absorbing pipe 23 can significantly reduce the noise of the air compressor, effectively absorb wide frequency noise, especially low frequency noise, improve the sound absorption effect, improve the working environment, and the installation and disassembly of the circular material receiving pipe 14 and the filter assembly are more convenient, improving the maintenance efficiency.

[0039] Working principle: insert the circular receiving pipe 14 into the inside of the vertical filter tank 2, then rotate the circular rotating ring 12, so that the circular rotating ring 12 can rotate outside the circular receiving pipe 14, through the threaded connection of the circular rotating ring 12 and the circular fixed ring 15, so that the circular receiving pipe 14 can be fixed in the inside of the vertical filter tank 2, and the rotation of the circular rotating ring 12 makes the circular receiving pipe 14 move towards the bottom of the stainless steel funnel type filter screen 13, so that the stainless steel funnel type filter screen 13 and the circular receiving pipe 14 can be attached, then rotate the hand wheel 11, the rotation of the hand wheel 11 makes the circular rotating part 16 rotate, the rotation of the circular rotating part 16 makes the vertical scraper 17 rotate, the rotation of the vertical scraper 17 can scrape the dust in the inside of the stainless steel funnel type filter screen 13, the cleaning of the inside of the stainless steel funnel type filter screen 13 makes the stainless steel funnel type filter screen 13 maintain good filtering performance, so that the dust can fall into the inside of the circular receiving pipe 14, when the inside of the circular receiving pipe 14 needs to be unloaded, the rotation of the circular rotating ring 12 makes the circular receiving pipe 14 can be disassembled in the inside of the vertical filter tank 2, so that the dust in the inside of the circular receiving pipe 14 can be unloaded;

[0040] The gas in the inside of the stainless steel funnel type filter screen 13 enters the inside of the first horizontal discharge pipe 4 through the horizontal connecting pipe 3, through the arrangement of the plurality of gas filter plates 20, the impurities in the gas can be filtered, through the arrangement of the first sound absorbing layer 21, the second sound absorbing layer 22 and the circular sound absorbing pipe 23, the noise generated when the gas is discharged can be reduced, thereby reducing the impurities and noise when the air compressor discharges waste gas, through the operation of the driving motor 8, the horizontal screw rod 9 can rotate, the rotation of the horizontal screw rod 9 makes the horizontal moving plate 10 slide horizontally on the top of the L-shaped mounting plate 7, the sliding of the horizontal moving plate 10 makes the second horizontal discharge pipe 5 move horizontally at one end of the first horizontal discharge pipe 4, so that the horizontal filter tank 6 can be disassembled, so as to replace and maintain the gas filter plate 20 in the inside of the horizontal filter tank 6.

[0041] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An air compressor low emission muffler, characterized by: The utility model provides exhaust gas intake pipe (1), the bottom of exhaust gas intake pipe (1) is provided with vertical filter tank (2), one end of vertical filter tank (2) is provided with horizontal connecting pipe (3), one end of horizontal connecting pipe (3) is provided with discharge muffling subassembly, discharge muffling subassembly is composed of first horizontal discharge pipe (4), filter assembly and second horizontal discharge pipe (5), one end of first horizontal discharge pipe (4) is provided with filter assembly, one end of filter assembly is provided with second horizontal discharge pipe (5), the bottom of horizontal connecting pipe (3) is provided with moving assembly for second horizontal discharge pipe (5) movement.

2. A low emission muffler for an air compressor as defined in claim 1, wherein: The inside of the vertical filter tank (2) is fixed with a stainless steel funnel-shaped filter screen (13), the bottom of the stainless steel funnel-shaped filter screen (13) is provided with a detachable circular material receiving pipe (14), the inside of the bottom end of the circular material receiving pipe (14) is rotatably connected with a circular rotating piece (16), the top of the circular rotating piece (16) is fixed with a plurality of vertical scrapers (17), the bottom of the circular material receiving pipe (14) is provided with a hand wheel (11), the hand wheel (11) penetrates the inside of the circular material receiving pipe (14) and is rotatably connected with the circular material receiving pipe (14) through a bearing, the top of the hand wheel (11) is fixedly connected with the circular rotating piece (16).

3. A low emission muffler for an air compressor as defined in claim 2, wherein: The bottom of the vertical filter tank (2) is fixed with a circular fixing ring (15), the outer side of the circular fixing ring (15) is threadedly connected with a circular rotating ring (12), the circular rotating ring (12) is rotatably connected with the circular material receiving pipe (14).

4. A low emission muffler for an air compressor as defined in claim 3, wherein: The inside of the circular material receiving pipe (14) is fixed with a circular rotating block, the inside of the circular rotating ring (12) is provided with a circular rotating groove, and the circular material receiving pipe (14) and the circular rotating ring (12) are rotatably connected through the cooperation of the circular rotating block and the circular rotating groove.

5. A low emission muffler for an air compressor as defined in claim 1, wherein: The filter assembly comprises a horizontal filter tank (6), a plurality of gas filter plates (20) are evenly arranged in the horizontal filter tank (6), circular connecting rings (18) are fixed at both ends of the horizontal filter tank (6), and circular sealing rings (19) are arranged in the circular connecting rings (18).

6. A low emission muffler for an air compressor as defined in claim 5, wherein: The moving assembly comprises an L-shaped mounting plate (7), the L-shaped mounting plate (7) is fixed to the outer side of the horizontal connecting pipe (3), a drive motor (8) is bolted at one end of the L-shaped mounting plate (7), a horizontal threaded rod (9) is fixed to the output end of the drive motor (8), a horizontal moving plate (10) is threadedly connected to the outer side of the horizontal threaded rod (9), and the horizontal moving plate (10) is sleeved on the outer side of the second horizontal discharge pipe (5) and fixedly connected with the second horizontal discharge pipe (5).

7. A low emission muffler for an air compressor as defined in claim 6, wherein: A T-shaped sliding block is fixed to the top of the L-shaped mounting plate (7), a T-shaped sliding groove is formed in the inside of the horizontal moving plate (10), and the horizontal moving plate (10) and the L-shaped mounting plate (7) are slidingly connected through the cooperation of the T-shaped sliding block and the T-shaped sliding groove.

8. A low emission muffler for an air compressor as defined in claim 6, wherein: The inner side of the second transverse exhaust pipe (5) is provided with a first sound absorbing layer (21), the inner side of the first sound absorbing layer (21) is provided with a second sound absorbing layer (22), and the inside of the second transverse exhaust pipe (5) and the inside of the second sound absorbing layer (22) are further provided with a circular sound absorbing pipe (23), the material of the first sound absorbing layer (21) is glass fiber; the material of the second sound absorbing layer (22) is rock wool; and the inside of the circular sound absorbing pipe (23) is uniformly provided with circular through holes.

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