CN219413049U - Air inlet sound insulation device of centrifugal air compressor - Google Patents

Air inlet sound insulation device of centrifugal air compressor Download PDF

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Publication number
CN219413049U
CN219413049U CN202320580951.5U CN202320580951U CN219413049U CN 219413049 U CN219413049 U CN 219413049U CN 202320580951 U CN202320580951 U CN 202320580951U CN 219413049 U CN219413049 U CN 219413049U
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sound insulation
air inlet
sound
air compressor
wall
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CN202320580951.5U
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Chinese (zh)
Inventor
彭小洲
邱声机
余雪芬
黎国新
吴文振
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GAC Honda Automobile Co Ltd
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GAC Honda Automobile Co Ltd
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Abstract

The utility model provides an air inlet sound insulation device of a centrifugal air compressor, relates to the technical field of silencing equipment, and solves the technical problem that inspection work and personal health are affected due to the lack of silencing equipment for a filter element of the centrifugal air compressor in the prior art. This centrifugal air compressor machine sound insulator arrangement that admits air includes air inlet chamber, sound-deadening box and sound insulation supporting component, air inlet chamber one side is connected with the air inlet of air compressor unit, the sound-deadening box is hugged closely the diapire setting in air inlet chamber, sound insulation supporting component sets up the sound-deadening box bottom. By adopting the device, the air inlet at the upper end of the air compressor unit can be silenced, so that a good protection effect can be achieved for patrol personnel at the lower position for patrol, the influence on patrol work is avoided, and the personal health hazard is reduced.

Description

Air inlet sound insulation device of centrifugal air compressor
Technical Field
The utility model relates to the technical field of silencing equipment, in particular to an air inlet sound insulation device of a centrifugal air compressor.
Background
The centrifugal air compressor is usually noisy due to the fact that the blades rotate continuously during operation, and especially at the air inlet filter element of the centrifugal air compressor, the noise value exceeds 100dB. Therefore, centrifuges often require a muffler device in use. But at present, the sound insulation to the centrifugal machine is often achieved only by arranging a sound insulation wall outside the machine, the position of an air inlet filter element of the centrifugal air compressor is not provided with corresponding equipment for silencing, particularly, for a large-sized air compressor unit, inspection personnel are required to inspect, and in the inspection process, the normal inspection work is influenced by larger noise, and meanwhile, the health of the inspection personnel is also influenced.
Disclosure of Invention
The utility model aims to provide an air inlet sound insulation device of a centrifugal air compressor, which solves the technical problem that the inspection work and the personal health are affected due to the lack of silencing equipment of a filter element of the centrifugal air compressor in the prior art. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an air inlet sound insulation device of a centrifugal air compressor, which comprises an air inlet cavity, a sound-deadening box and a sound insulation supporting component, wherein one side of the air inlet cavity is connected with an air inlet of an air compressor unit, the sound-deadening box is tightly attached to the bottom wall of the air inlet cavity, and the sound insulation supporting component is arranged at the bottom of the sound-deadening box.
Preferably, the sound insulation supporting component comprises a first sound insulation wall and a first supporting frame, the top of the first supporting frame is connected with the silencing box, the bottom of the first supporting frame is connected with the ground, the first sound insulation wall is arranged in a shape, and the opening end is buckled on the side wall surface of the air compressor unit.
Preferably, the first sound-proof wall is provided with a sound-proof observation window.
Preferably, the air inlet cavity comprises an air inlet shutter, a second sound insulation wall and a second support frame, the second support frame is of a cuboid frame structure, the second sound insulation wall is arranged at the top of the second support frame, the bottom of the second support frame is connected with the silencing box, one side part of the second support frame is connected with the air inlet, and the remaining three side parts of the second support frame are all provided with the air inlet shutter.
Preferably, the first sound insulation wall and the second sound insulation wall all comprise a first plate surface, a silencing layer and a second plate surface, the silencing layer is clamped between the first plate surface and the second plate surface, and the second plate surface is a perforated plate.
Preferably, the muffler includes a housing, a muffler wall provided on an inner wall of the housing, and a muffler sheet provided in the housing.
Preferably, the silencing box is a square box body, and the silencing sheets are stacked.
Preferably, the housing is formed by bending a steel plate.
Preferably, the silencing box, the air inlet cavity and the sound insulation supporting component are detachably connected.
The application adopts the technical scheme, possesses following beneficial effect at least:
the air inlet chamber is connected with the air inlet of air compressor unit to set up the noise elimination box in the bottom in air inlet chamber, absorb the noise that produces when getting into the air through the noise elimination box, set up sound insulation supporting component in the bottom of noise elimination box, adopt this kind of structure can effectually realize the amortization to air compressor unit air inlet position, and then to the air compressor unit below patrol and examine personnel to play good guard action, avoid influencing normal work of patrolling and examining because of great noise, reduce personal health hazard.
Further embodiments of the present utility model also have the following beneficial effects:
the sound insulation supporting component comprises a first sound insulation wall and a first supporting frame, wherein the first supporting frame is used for supporting a sound cancellation box, and the first sound insulation wall can play a sound cancellation role on an air unit.
The first sound insulation wall is provided with a sound insulation observation window, and the sound insulation observation window is convenient for inspection personnel to inspect the air compressor unit.
The air inlet cavity comprises an air inlet shutter, a second sound insulation wall and a second supporting frame, and the second sound insulation wall is arranged at the top of the air inlet cavity and can play a silencing role from the upper position, and the three-surface wrapped air inlet shutter ensures good air inlet effect.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a front cross-sectional structure of an air intake sound insulation device of a centrifugal air compressor provided by an embodiment of the utility model;
fig. 2 is a schematic structural diagram of a first sound insulation wall three-sided package arrangement mode according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a front view structure of an air intake sound insulation device of a centrifugal air compressor according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a sound insulation wall according to an embodiment of the present utility model;
fig. 5 is a schematic structural view of a silencer according to an embodiment of the present utility model.
In the figure 1, an air inlet cavity; 2. a sound-eliminating box; 3. a sound insulation support assembly; 4. a first soundproof wall; 5. a first support frame; 6. a sound insulation observation window; 7. a tuyere louver; 8. a second soundproof wall; 9. a second support frame; 10. a first panel; 11. a sound deadening layer; 12. a second panel; 13. a housing; 14. a sound deadening wall; 15. and a sound deadening sheet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
The utility model provides an air inlet sound insulation device of a centrifugal air compressor, which is shown in the accompanying drawings 1-5 and mainly comprises an air inlet cavity 1, a sound insulation box 2 and a sound insulation supporting component 3, wherein one side of the air inlet cavity 1 is connected with an air inlet of an air compressor unit, the air inlet cavity 1 extends the air inlet of the air compressor unit to the outside, the sound insulation box 2 is arranged at the bottom of the air inlet cavity 1, the sound insulation box 2 is tightly attached to the bottom wall of the air inlet cavity 1, the sound insulation box 2 can effectively absorb sound of the air inlet cavity 1, the sound insulation supporting component 3 is arranged at the bottom of the sound insulation box 2, and the sound insulation supporting component 3 is used for lifting the sound insulation box 2, so that a space for inspection personnel or maintenance personnel to maintain is reserved below the sound insulation box 2 and is not influenced by larger noise under the action of the sound insulation box 2, so that good protection effect can be achieved, normal inspection work is avoided, and health hazards of personnel are reduced.
The sound insulation supporting component 3 that adopts in this application of specificly includes first sound insulation wall 4 and first support frame 5, the setting of first sound insulation wall 4 is used for playing certain support and sound insulation effect, first support frame 5 top is connected with amortization case 2, the bottom and the ground of first support frame 5 are connected, play main supporting role to amortization case 2 through first support frame 5, wherein first sound insulation wall 4 is "" font and lays, the quantity of this first sound insulation wall 4 of specificly can be trilateral, trilateral wall lays the aforesaid shape, and the open end knot of trilateral wall is established on the lateral wall face of air compressor unit, the square space of a cuboid shape is constituteed to the ground of such trilateral first sound insulation wall 4, top and the lateral wall of air compressor unit, first support frame 5 can be cuboid shape frame construction, form comprehensive support from amortization case 2 bottom, sound insulation supporting component 3 further reaches the effect.
For the convenience patrols and examines personnel and can observe the air compressor unit condition, can also set up sound insulation observation window 6 on first sound insulation wall 4, sound insulation observation window 6 can set up on one, two or three first sound insulation wall 4, and this sound insulation observation window 6 can adopt double-deck sound insulation toughened glass.
In the concrete embodiment of this application, the air inlet chamber 1 includes wind gap tripe 7, second sound insulation wall 8 and second support frame 9, wind gap tripe 7 is used for the air inlet, second sound insulation wall 8 is used for playing the sound insulation effect, second support frame 9 is used for playing the installation fixed action, second support frame 9 can be cuboid form frame construction, wind gap tripe 7 and second sound insulation wall 8 all set up on second support frame 9, second support frame 9 bottom is connected with amortization case 2, second sound insulation wall 8 sets up at the top of second support frame 9, can play the effect of giving sound insulation from the top, a lateral part of second support frame 9 is used for being connected with amortization case 2, the other three lateral part of second support frame 9 all set up wind gap tripe 7, because the height of general air intake is higher than the personnel of patrolling and examining more when using this device on large-scale air compressor unit, consequently often as long as the below set up amortization case 2 height can, wind gap tripe 7 of three direction can guarantee sufficient air input.
In the specific embodiment of the application, the first sound insulation wall 4 and the second sound insulation wall 8 each comprise a first plate surface 10, a sound damping layer 11 and a second plate surface 12, and in combination with fig. 4, the sound damping layer 11 is clamped between the first plate surface 10 and the second plate surface 12, the second plate surface 12 is a perforated plate, the specific first plate surface 10 can be a carbon steel plate with a spray paint thickness of between 1 mm and 2 mm, for example, 1.5 mm. The silencing layer 11 can be a rock wool board wrapped by glass fiber cloth, the model of the rock wool can be 80K-50mm (density 80 kg/cubic meter, thickness 50 mm), the second board 12 is a tinned perforated board with thickness ranging from 0.3 mm to 0.5 mm, and the second board 12 faces inwards in actual installation. The specific dimensions of the first soundproof wall 4 and the second soundproof wall are set according to the actual situation.
In one embodiment, the sound-deadening box 2 includes a casing 13, a sound-deadening wall 14 and a sound-deadening sheet 15, where the casing 13 may be in a cuboid shape, the sound-deadening wall 14 is disposed on an inner wall of the casing 13, the sound-deadening sheet 15 is disposed in the casing 13, and the sound-deadening sheet 15 is formed by stacking a plurality of sheets, the specific casing 13 is formed by bending a steel plate, for example, by hemming a carbon steel plate, the sound-deadening sheets 15 are disposed side by side perpendicular to a length direction of the casing 13, and a gap is left between the sound-deadening sheets 15. The two outer side walls of the silencing piece 15 are tinned perforated plates with the thickness of 0.4 mm, and glass fiber cloth rock wool plates with the same model as the silencing layer 11 are adopted inside. And the silencing wall 14 also adopts a glass fiber cloth rock wool board made of the same material as a sound absorption material, and the silencing wall 14 is prevented from being far away from the shell 13 by adopting a tinning perforated plate with the thickness of 0.4 mm.
In this application for satisfying the maintenance of air compressor unit's later stage, for this needs to set up centrifugal air compressor machine sound insulator that admits air into detachable construction, all adopt the detachable connection between sound-deadening box 2 and air inlet chamber 1 and the sound insulation supporting component 3, concrete first support frame 5 and second support frame 9 all can adopt the steel pipe structure, for example adopt the size to be 100 millimeters and multiply 50 millimeters square tube and constitute the frame construction, can carry out the connection of first sound insulation wall 4, wind gap tripe 7 and second sound insulation wall 8 through detachable mode such as bolt on this frame construction, the amortization case 2 can be fixed to behind the air compressor unit one side hoist and mount at first support frame 5. The specific size of the sound-deadening box 2 can be 2680 x 1500 x 1000mm (length 2680 mm, width 1500 mm, height 1000 mm), the whole air inlet sound-deadening device of the centrifugal air compressor is in a cuboid shape, the height of the first sound-deadening wall 4 at the bottom is 1800 mm, and the height of the upper air inlet cavity 1 is 400 mm. The specific dimensions described above may be modified according to the circumstances.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (9)

1. The utility model provides a centrifugal air compressor machine sound-proof device that admits air, its characterized in that includes air inlet chamber (1), amortization case (2) and gives sound insulation supporting component (3), air inlet chamber (1) one side is connected with the air inlet of air compressor unit, amortization case (2) are hugged closely the diapire setting of air inlet chamber (1), sound insulation supporting component (3) set up amortization case (2) bottom.
2. The air inlet sound insulation device of the centrifugal air compressor according to claim 1, wherein the sound insulation supporting component (3) comprises a first sound insulation wall (4) and a first supporting frame (5), the top of the first supporting frame (5) is connected with the sound attenuation box (2), the bottom of the first supporting frame (5) is connected with the ground, the first sound insulation wall (4) is distributed in a shape of a figure , and an opening end is buckled on the side wall surface of the air compressor unit.
3. The air inlet sound insulation device of the centrifugal air compressor according to claim 2, wherein a sound insulation observation window (6) is arranged on the first sound insulation wall (4).
4. The centrifugal air compressor air inlet sound insulation device according to claim 2, wherein the air inlet cavity (1) comprises an air inlet shutter (7), a second sound insulation wall (8) and a second support frame (9), the second support frame (9) is of a cuboid frame structure, the second sound insulation wall (8) is arranged at the top of the second support frame (9), the bottom of the second support frame (9) is connected with the silencing box (2), one side part of the second support frame (9) is connected with the air inlet, and the air inlet shutter (7) is arranged on the remaining three side parts of the second support frame (9).
5. The centrifugal air compressor air inlet sound insulation device according to claim 4, wherein the first sound insulation wall (4) and the second sound insulation wall (8) comprise a first plate surface (10), a sound attenuation layer (11) and a second plate surface (12), the sound attenuation layer (11) is clamped between the first plate surface (10) and the second plate surface (12), and the second plate surface (12) is a perforated plate.
6. The centrifugal air compressor air intake sound insulation device according to claim 1, wherein the silencing box (2) comprises a shell (13), a silencing wall (14) and a silencing sheet (15), the silencing wall (14) is arranged on the inner wall of the shell (13), and the silencing sheet (15) is arranged in the shell (13).
7. The air intake sound insulation device of the centrifugal air compressor according to claim 6, wherein the silencing box (2) is a square box body, and the silencing sheets (15) are formed by stacking a plurality of sheets.
8. The air intake sound-insulating device of the centrifugal air compressor according to claim 6, wherein the housing (13) is formed by bending a steel plate.
9. The air inlet sound insulation device of the centrifugal air compressor according to claim 1, wherein the sound attenuation box (2) is detachably connected with the air inlet cavity (1) and the sound insulation supporting component (3).
CN202320580951.5U 2023-03-22 2023-03-22 Air inlet sound insulation device of centrifugal air compressor Active CN219413049U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320580951.5U CN219413049U (en) 2023-03-22 2023-03-22 Air inlet sound insulation device of centrifugal air compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320580951.5U CN219413049U (en) 2023-03-22 2023-03-22 Air inlet sound insulation device of centrifugal air compressor

Publications (1)

Publication Number Publication Date
CN219413049U true CN219413049U (en) 2023-07-25

Family

ID=87206785

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320580951.5U Active CN219413049U (en) 2023-03-22 2023-03-22 Air inlet sound insulation device of centrifugal air compressor

Country Status (1)

Country Link
CN (1) CN219413049U (en)

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