CN215170628U

CN215170628U - Novel silencing device

Info

Publication number: CN215170628U
Application number: CN202120936683.7U
Authority: CN
Inventors: 王泉超; 张晖; 张超萍
Original assignee: Ningbo Baosi Energy Equipment Co Ltd
Current assignee: Ningbo Baosi Energy Equipment Co Ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-12-14
Anticipated expiration: 2031-05-06

Abstract

A novel silencing device is characterized in that: the novel gas-liquid separation device comprises a closed box body, wherein a partition plate is arranged in the box body and used for dividing the box body into an upper cavity and a lower cavity, an air inlet communicated with a nozzle is formed in the upper cavity, an air outlet is formed in the lower cavity, the partition plate comprises a first flat plate and an inclined plate arranged below the first flat plate, one side of the first flat plate is connected with one side of the box body, the other side of the first flat plate is connected with one side of the inclined plate, the other side of the inclined plate is connected with the other side of the box body, a first opening is formed in the first flat plate, the inclined plate is arranged opposite to the air inlet, an included angle between the inclined plate and the horizontal plane is an obtuse angle, an S-shaped gas flow channel is arranged in the lower cavity, one end of the S-shaped gas flow channel is communicated with the first opening of the first flat plate, and the other end of the S-shaped gas flow channel is communicated with the air outlet. This novel silencing device is under the prerequisite that does not influence nozzle test flow, greatly reduced nozzle exhaust noise.

Description

Novel silencing device

Technical Field

The utility model relates to a compressor technical field, concretely relates to novel silencing device.

Background

When the compressor is tested in the whole machine, strong noise can be generated because exhaust directly collides with air through the nozzle, and the noise is maximum particularly at the outlet of the nozzle. The existing complete machine test does not have a specific silencing structure, generally, a nozzle is directly led outdoors or a simple fan cover is arranged, so that the effect of noise reduction cannot be achieved, and certain risks exist easily due to direct air exhaust and high pressure. Meanwhile, the system works in a very noisy environment for a long time, the working environment is influenced, and the working efficiency of operators is reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the novel silencer greatly reduces the exhaust noise of the nozzle on the premise of not influencing the flow rate of the nozzle test.

The technical solution of the utility model is that: a novel silencing device is characterized in that: including an inclosed box, be equipped with a baffle in the box for fall into cavity and cavity down with the box, upward be equipped with an air inlet that is linked together with the nozzle on the cavity, be equipped with a gas outlet on the cavity down, the baffle includes first flat board and sets up the swash plate in first flat board below, one side of first flat board links to each other with one side of box, and the opposite side links to each other with one side of swash plate, the opposite side of swash plate links to each other with the opposite side of box, first opening has been seted up on the first flat board, the swash plate sets up relatively with the air inlet and is the obtuse angle with the contained angle of horizontal plane for cut apart the air current and reduce the air current pressure loss, be equipped with S-shaped air flow path in the cavity down, S-shaped air flow path 'S one end is linked together with first flat board' S first opening, and the other end is linked together with the gas outlet.

After the structure is adopted, the utility model has the advantages of it is following:

the utility model discloses silencer sets up the swash plate in the air inlet department, can divide the air current, carries out preliminary noise reduction, and the swash plate compares vertical plate, and the pressure loss to the air current is less, can guarantee the test flow of nozzle and can not influence the accuracy of test; the air flow after the preliminary noise reduction enters the S-shaped air flow channel through the first opening of the first flat plate, the sound wave energy is gradually reduced by utilizing the multiple reflection of the S-shaped air flow channel, the release and the transmission of the noise are further reduced, and therefore the exhaust noise of the nozzle is remarkably reduced.

Preferably, the S-shaped airflow channel includes a plurality of second flat plates disposed in the lower chamber, the second flat plates are provided with second openings, and the second openings are staggered. Through setting up simple baffle and opening structure, make the crisscross setting of opening, can form S-shaped air current channel, the structure is comparatively simple, and noise reduction effect is better.

Preferably, the second plates are uniformly arranged in the lower chamber at intervals. The noise reduction effect can be better by setting.

Preferably, the air outlet is arranged at the bottom of the box body. The air outlet is arranged at the bottom of the box body, so that the impact of the discharged high-pressure air flow on the surrounding environment can be reduced, and the safety and the reliability are higher.

Preferably, the ground is provided with scattering holes at positions corresponding to the air outlets. The arrangement can ensure that the high-pressure airflow discharged from the air outlet can be safely discharged through the evacuation hole on the ground.

Preferably, the air outlet is arranged at the bottom of the box body, and the air outlet is also arranged in a staggered mode with the second opening of the second flat plate at the bottommost part. This arrangement further attenuates airflow and reduces noise.

Preferably, the inner side wall of the box body is provided with a sound absorption material layer. This arrangement can further reduce noise.

Preferably, sound absorbing material layers are also provided on the first flat plate, the second flat plate, and the inclined plate. This arrangement can further reduce noise.

Preferably, the bottom of the box body is provided with a moving device. This setting is removed and is carried during convenient test.

Preferably, the box body is provided with a detachable box door. This setting is convenient maintains the box.

Description of the drawings:

FIG. 1 is a schematic view of the vertical internal structure of the muffler device of the present invention;

FIG. 2 is a schematic diagram of the right front vertical internal structure of the silencer of the present invention;

FIG. 3 is a schematic view of the front structure of the silencer of the present invention;

in the figure: 1-box body, 2-partition board, 3-upper chamber, 4-lower chamber, 5-air inlet, 6-air outlet, 7-first flat plate, 8-inclined plate, 9-first opening, 10-S-shaped air flow channel, 11-second flat plate, 12-second opening, 13-dispersing hole, 14-moving device, 15-box door, 16-upper door plate, 17-middle column and 18-lower door plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Example (b):

a novel silencer comprises a closed box body 1, wherein a partition plate 2 is arranged in the box body 1 and used for dividing the box body 1 into an upper chamber 3 and a lower chamber 4, an air inlet 5 communicated with a nozzle is formed in the upper chamber 3, an air outlet 6 is formed in the lower chamber 4, the partition plate 2 comprises a first flat plate 7 and an inclined plate 8 arranged below the first flat plate 7, one side of the first flat plate 7 is connected with one side of the box body 1, the other side of the first flat plate 7 is connected with one side of the inclined plate 8, the other side of the inclined plate 8 is connected with the other side of the box body 1, a first opening 9 is formed in the first flat plate 7, the inclined plate 8 is arranged opposite to the air inlet 5 and forms an obtuse angle with the horizontal plane, the included angle is used for dividing air flow and reducing air flow pressure loss, an S-shaped air flow channel 10 is arranged in the lower chamber 4, one end of the S-shaped air channel 10 is communicated with the first opening 9 of the first flat plate 7, the other end is communicated with the air outlet 6.

The utility model discloses silencing device sets up swash plate 8 in air inlet 5 department, can divide the air current, carries out preliminary noise reduction, and swash plate 8 compares vertical plate, and the pressure loss to the air current is less, can guarantee the test flow of nozzle and can not influence the accuracy of test; the air flow after the preliminary noise reduction enters the S-shaped air flow channel 10 through the first opening 9 of the first flat plate 7, the sound wave energy is gradually reduced by multiple reflections of the S-shaped air flow channel 10, the release and the transmission of the noise are further reduced, the exhaust noise of the nozzle is remarkably reduced, and the noise can be reduced from more than 110db to less than 85 db.

Preferably, the S-shaped airflow channel 10 includes a plurality of second plates 11 disposed in the lower chamber 4, the second plates 11 are provided with second openings 12, and the second openings 12 are disposed in a staggered manner. Through setting up simple baffle 2 and adding the open structure, make the crisscross setting of opening, can form S-shaped air current passageway 10, the structure is comparatively simple, and noise reduction effect is better.

Preferably, the second plates 11 are evenly spaced within the lower chamber 4. The noise reduction effect can be better by setting.

Preferably, the air outlet 6 is arranged at the bottom of the box body 1. The air outlet 6 is arranged at the bottom of the box body 1, so that the impact of the discharged high-pressure air flow on the surrounding environment can be reduced, and the safety and the reliability are higher.

Preferably, the scattering holes 13 are formed on the ground at positions corresponding to the air outlets 6. This arrangement allows the high pressure air stream exiting the air outlet 6 to be safely discharged through the evacuation holes 13 in the ground.

Preferably, the air outlet 6 is arranged at the bottom of the box body 1, the air outlet 6 is also arranged in a staggered manner with the second opening 12 of the bottommost second flat plate 11, and the second opening 12 and the air outlet 6 are arranged in a staggered manner, which means that two openings which are adjacent up and down are arranged in front of each other and in back of each other, so that the direction of the air flow is in a zigzag flow. This arrangement further attenuates airflow and reduces noise.

Preferably, a sound absorbing material layer is provided on an inner wall of the casing 1. This arrangement can further reduce noise.

Preferably, the first flat plate 7, the second flat plate 11 and the inclined plate 8 are also provided with sound-absorbing material layers, and the sound-absorbing material layers are made of the prior art, and are not illustrated here. This arrangement can further reduce noise.

Preferably, the bottom of the box body 1 is provided with a moving device 14, and the moving device 14 can adopt an orientation wheel. This setting is removed and is carried during convenient test.

Preferably, the box body 1 is provided with a detachable door 15, in this embodiment, the door 15 is divided into an upper door panel 16, a center pillar 17 and a lower door panel 18, and the upper door panel 16, the center pillar 17 and the lower door panel 18 are fixed to the box body 1 by fixing screws. This setting is convenient to maintain the box 1.

Claims

1. A novel silencing device is characterized in that: including an inclosed box (1), be equipped with a baffle (2) in box (1) for fall into chamber (3) and lower chamber (4) with box (1), upward be equipped with one air inlet (5) that are linked together with the nozzle on chamber (3), be equipped with a gas outlet (6) on lower chamber (4), baffle (2) include first flat board (7) and set up swash plate (8) in first flat board (7) below, one side of first flat board (7) links to each other with one side of box (1), and the opposite side links to each other with one side of swash plate (8), the opposite side of swash plate (8) links to each other with the opposite side of box (1), first opening (9) have been seted up on first flat board (7), swash plate (8) set up relatively with air inlet (5) and be the obtuse angle with the contained angle of horizontal plane for cut apart the air current and reduce the air current pressure loss, an S-shaped airflow channel (10) is arranged in the lower chamber (4), one end of the S-shaped airflow channel (10) is communicated with the first opening (9) of the first flat plate (7), and the other end of the S-shaped airflow channel is communicated with the air outlet (6).

2. The new muffler assembly of claim 1, wherein: the S-shaped airflow channel (10) comprises a plurality of second flat plates (11) arranged in the lower chamber (4), second openings (12) are formed in the second flat plates (11), and the second openings (12) are arranged in a staggered mode.

3. The new muffler assembly of claim 2, wherein: the second flat plates (11) are uniformly distributed in the lower chamber (4) at intervals.

4. The new muffler assembly of claim 1, wherein: the air outlet (6) is arranged at the bottom of the box body (1).

5. The new muffler assembly of claim 1, wherein: the positions on the ground corresponding to the air outlets (6) are provided with scattering holes (13).

6. The new muffler assembly of claim 2, wherein: the air outlet (6) is arranged at the bottom of the box body (1), and the air outlet (6) is also arranged in a staggered mode with the second opening (12) of the second flat plate (11) at the bottommost part.

7. The new muffler assembly of claim 1, wherein: the inside wall of box (1) sets up the sound absorbing material layer.

8. The new muffler assembly of claim 1, wherein: and sound absorption material layers are also arranged on the first flat plate (7), the second flat plate (11) and the inclined plate (8).

9. The new muffler assembly of claim 1, wherein: the bottom of the box body (1) is provided with a moving device (14).

10. The new muffler assembly of claim 1, wherein: the box body (1) is provided with a detachable box door (15).