CN212079759U - Box-type filtering noise-abatement device - Google Patents

Abstract

The utility model discloses a box-type filtering and noise-eliminating device belongs to air-blower amortization technical field. The problem complicated and the noise cancelling effect is poor to air-blower silencing device structure among the prior art, the utility model provides a box filters noise eliminator, it includes the box, and the box is including the left frame that is provided with the filter and the right frame that is provided with amortization piece, filter and air intake connection, still include the air outlet curb plate, and the air outlet curb plate sets up the right-hand member at the box, is provided with air outlet and soundproof cotton on the air outlet curb plate, and the air outlet passes through flange and air-blower entry linkage. The utility model discloses well air outlet curb plate is concentrated the wind current and is carried to the air-blower built-in, avoids the dispersion of wind current, sets up soundproof cotton at the air outlet curb plate, and soundproof cotton can reduce the noise of during operation with the dual setting of amortization piece by a wide margin to enter into the wind in the air-blower and filter, avoid getting into impurity influence work in the air-blower, overall structure is simple, and the noise cancelling effect is good, easily installation and maintenance.

Description

Box-type filtering noise-abatement device

Technical Field

The utility model belongs to the technical field of the air-blower amortization, more specifically say, relate to a box filters noise eliminator.

Background

The centrifugal blower is widely applied in many fields, but the noise generated by the blower in the working process is large, which has a certain influence on the body and mind of workers on site, although a silencer is installed at the inlet of the blower, the cost with good silencing effect is high, which is not suitable for the development requirements of small and medium enterprises, and the existing silencer has a complex structure, and has great problems in installation and maintenance.

The above problems are also improved, for example, chinese patent application No. CN201822153040.6, published as 2019, 8.13.a, which discloses a roots blower with improved structure, comprising a bracket, a roots blower and a driving motor on the bracket, the roots blower comprising an air inlet and an air outlet, an inlet silencer on the air inlet, the inlet silencer comprising a silencing layer structure and a filtering layer structure, the silencing layer structure being a mesh plate, the filtering layer structure comprising a filtering inlet, a plurality of filtering plates and a plurality of filtering rods, the filtering plates and the filtering rods being made of anion material with smoke prevention and dust control functions. The disadvantages of the patent are that: the silencing effect is poor only by the mesh plate, and the mesh plate is easy to damage.

Also, as shown in chinese patent application No. CN201020284084.3, published as 2011, 2, month 16, this patent discloses a filter muffler device for a blower. The inner wall of the shell is provided with an inner cylinder, the shell is internally provided with a filter, the filter consists of a filter cartridge and a filter sealing plate, the silencing cylinder is arranged in the filter cartridge, and one side of the shell is provided with a door plate. The disadvantages of the patent are that: although the maintenance is simpler, the whole silencing effect is general.

SUMMERY OF THE UTILITY MODEL

1. Problems to be solved

To the problem that blower silencing device structure is complicated among the prior art and noise cancelling effect is poor, the utility model provides a box filters noise eliminator. The utility model discloses an air outlet curb plate is concentrated the wind current and is carried to the air-blower built-in, avoids the dispersion of wind current, sets up soundproof cotton at the air outlet curb plate, and soundproof cotton can reduce the noise of during operation with the dual setting of amortization piece by a wide margin to wind that enters into the air-blower built-in has carried out the filtration, and it influences work to avoid entering impurity in the air-blower, and overall structure is simple, and the noise cancelling effect is good, easily installation and maintenance.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The box type filtering noise elimination device comprises a box body, wherein the box body comprises a left frame and a right frame, the left frame is provided with a filter, the right frame is provided with a noise elimination piece, the filter is connected with an air inlet in the left frame, the box body further comprises an air outlet side plate, the air outlet side plate is arranged at the right end of the box body, an air outlet and soundproof cotton are arranged on the air outlet side plate, and the air outlet is connected with an air blower inlet through a flange.

Furthermore, an air outlet is formed in the center of the air outlet side plate, a plurality of rib plates are arranged around the air outlet, the space between the air outlet and the air outlet side plate is divided into a plurality of cavities by the plurality of rib plates, and soundproof cotton is filled in the cavities.

Furthermore, a punching plate for compressing the soundproof cotton is arranged on the cavity.

Furthermore, the silencing part comprises a mesh plate, the mesh plate is arranged on the base in the right frame, a plurality of filling pipes are arranged on the mesh plate, two ends of each filling pipe respectively face the air inlet and the air outlet, and a channel for air supply to flow through is formed between every two adjacent filling pipes.

Furthermore, the filling pipe is sequentially provided with superfine glass wool, fireproof cloth and a punching plate from inside to outside.

Furthermore, both ends of the filling pipe are arranged in a V shape, and the opening of the V shape faces the filling pipe.

Furthermore, sealing doors are arranged at the front end and the rear end of the left frame and are connected with the left frame through hinges.

Furthermore, the sealing door comprises a door plate hinged with the left frame, door locks are arranged at the upper end and the lower end of the door plate, and a handle is arranged between the two door locks.

Furthermore, a screen plate is arranged on one side of the door plate, which faces the left frame.

Furthermore, the bottom of the box body is provided with an adjusting disc.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses filter and amortize the wind current that the air intake got into, make the wind current that gets into the air-blower not have impurity to disturb the air-blower and can reduce the noise of on-the-spot operational environment, through set up the air outlet curb plate at the box right-hand member, concentrate the wind current and carry to the air-blower in, avoid the dispersion of wind current, and set up the soundproof cotton on the air outlet curb plate, further reduce the noise that the wind current got into the air-blower, the whole noise that can reduce the during operation by a wide margin, improve staff's physical and mental health and overall structure is simple, easily installation and maintenance;

(2) the utility model discloses set up the air outlet in air outlet curb plate central point and put, and pack soundproof cotton in separating into a plurality of cavitys by a plurality of gusset between air outlet and the air outlet curb plate, avoid the not hard up of soundproof cotton on the air outlet curb plate, guarantee the noise cancelling effect; the punching plate is arranged on the cavity to compress the soundproof cotton, so that the fixing effect of the soundproof cotton is further ensured, the silencing effect is enhanced, and the surface of the cavity is smooth and easy to install the side plate of the air outlet;

(3) the silencing piece comprises a mesh plate arranged on a base in the right frame, the mesh plate has a silencing effect on wind flow, a plurality of filling pipes are arranged on the mesh plate, the filling pipes are arranged along the flowing direction of wind direction, a channel is formed between every two adjacent filling pipes, the contact area between wind and the mesh plate is effectively increased, and the silencing effect is improved;

(4) the filling pipe in the utility model is provided with the superfine glass wool, the fireproof cloth and the punching plate from inside to outside in sequence, and the three materials can play a role in noise reduction, so that the whole noise reduction effect is further improved; the two ends of the filling pipe are arranged in a V shape, so that the flow velocity of wind is improved, the wind is convenient to guide and split, the wind smoothly passes through the mesh plate for noise reduction, and the whole noise reduction effect is good;

(5) the utility model is provided with the sealing doors at the front and the rear ends of the left frame, which is convenient for installing and replacing the filter; the door locks are arranged at the upper end and the lower end of the door panel to reinforce the connection between the door panel and the left frame, so that the door panel is not easy to be loosened by the incoming wind, the handle is arranged to facilitate the opening and closing of the door panel, and the labor intensity of operators is reduced;

(6) the utility model is provided with the screen plate on one side of the door frame facing to the left frame, and the screen plate can primarily muffle the wind coming out of the filter, thereby improving the overall silencing effect; and the bottom of the box body is provided with the adjusting disc, so that the height of the box body can be adjusted conveniently in real time, the air inlet height can be changed, the operation is simple and convenient, and the working efficiency is improved.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a view taken in the direction E-E of FIG. 1;

FIG. 3 is a schematic view of the structure of the noise damping member;

FIG. 4 is a schematic view of the structure of the side plate of the air outlet;

FIG. 5 is a schematic structural view of the sealing door;

FIG. 6 is a side view of the sealing door;

fig. 7 is a view in the direction F of fig. 6.

In the figure: 1. a box body; 2. a sealing door; 21. a hinge; 22. a door panel; 23. a door lock; 24. a handle; 25. a fastener; 26. a screen plate; 3. an adjusting disk; 4. a noise reducing member; 41. a filling pipe; 42. a mesh plate; 43. reinforcing ribs; 5. ultra-fine glass wool; 6. sound insulation cotton; 7. an air outlet; 8. a rib plate; 9. punching a plate; 10. an air outlet side plate.

Detailed Description

The invention will be further described with reference to specific embodiments and drawings.

Example 1

As shown in fig. 1 and 2, a box-type filtering muffler device comprises a box body 1, wherein the box body 1 comprises a left frame provided with a filter and a right frame provided with a muffler 4, the filter is connected with an air inlet on the left frame, specifically, the box body 1 is a cuboid composed of a transverse plate and a vertical plate, two parallel upright posts are arranged inside the box body 1, the two upright posts are parallel to the vertical plate, and the distance between the two upright posts is equal to the width of the box body 1; the upright column divides the box body 1 into a left frame provided with the filter and a right frame provided with the silencing part 4, so that the filter and the silencing part 4 work in different areas, and the mutual influence of the work between the filter and the silencing part is avoided; preferably, the bottom of the box body 1 is provided with the adjusting disc 3, and the bottom of the box body 1 is provided with the supporting plate so that the supporting plate is not directly contacted with the ground, so that the box body 1 can be protected from abrasion; the adjusting disc 3 is arranged on the supporting plate and used for adjusting the height of the box body 1, and the height of the air inlet can be adjusted by adjusting the height of the box body 1 due to the fact that the air inlet is formed in the box body 1, so that the operation is simple and convenient, and the working efficiency is improved; the air outlet side plate 10 is arranged at the right end of the box body 1, the air outlet 7 and the soundproof cotton 6 are arranged on the air outlet side plate 10, and the air outlet 7 is connected with an air blower inlet through a flange; the utility model has simple integral structure, the whole device can filter the wind while silencing the wind, so that no impurity in the wind entering the blower interferes with the blower, and the service life of the blower is prolonged; and the double silencing through soundproof cotton 6 and amortization 4 increases substantially the noise cancelling effect to wind, reduces the noise of site work environment, and overall structure is simple, easily installation and maintenance.

Specifically, as shown in fig. 4, an air outlet 7 is arranged in the center of the air outlet side plate 10, a plurality of rib plates 8 are arranged around the air outlet 7, the space between the air outlet 7 and the air outlet side plate 10 is divided into a plurality of cavities by the plurality of rib plates 8, and sound insulation cotton 6 is filled in the cavities; the area between the air outlet side plate 10 and the air outlet 7 is divided into a plurality of cavities through the rib plates 8, so that the soundproof cotton 6 is filled orderly and is not disordered, the cavities play a role in fixing the soundproof cotton 6, and the soundproof cotton 6 is prevented from being blown loose by wind; the air outlet 7 is arranged at the center of the air outlet side plate 10, so that the air outlet is conveniently connected with an air blower, and sound insulation cotton 6 is filled around the air outlet 7, so that the noise reduction effect on wind is improved; further, be provided with the board 9 of punching a hole that compresses tightly soundproof cotton 6 on the cavity, because of soundproof cotton 6 materials is lighter softer, pack and make cavity surface unevenness in the cavity, the board 9 of punching a hole carries out further fastening to soundproof cotton 6 and fixes for the cavity surface is leveled smooth, makes things convenient for being connected between air outlet curb plate 10 and the right frame, makes its relation of connection firm.

Example 2

Basically as in embodiment 1, preferably, as shown in fig. 3, the silencing element 4 includes a mesh plate 42, the mesh plate 42 is disposed on a base inside the right frame, a plurality of filling pipes 41 are disposed on the mesh plate 42, two ends of each filling pipe 41 respectively face the air inlet and the air outlet 7, and a passage for air to flow through is formed between two adjacent filling pipes 41; the mesh plate 42 is used for silencing the wind coming out of the filter, the plurality of filling pipes 41 are arranged on the mesh plate 42, and the contact area between the wind and the mesh plate 42 is increased due to the arrangement of the filling pipes 41, so that the wind silencing effect is improved; specifically, filling pipe 41 has set gradually superfine glass cotton 5 by inside to outside, fire prevention cloth and the board 9 that punches a hole, filling pipe 41 fills superfine glass cotton 5 in the inlayer promptly, reuse fire prevention cloth wraps up superfine glass cotton 5 and prevents that superfine glass cotton 5 from being blown away by wind, seal formation filling pipe 41 by the board 9 that punches a hole at last again, these three kinds of materials homoenergetic enough play the effect of amortization, filling pipe 41 then itself has higher noise cancelling effect, filling pipe 41 uses with mesh plate 42 cooperation and makes holistic noise cancelling effect better, reduce the noise of during operation by a wide margin.

Furthermore, both ends of the filling pipe 41 are arranged in a V shape, and the opening of the V shape faces the filling pipe 41, so that the arrangement of both ends of the filling pipe 41 can reduce the sectional area of both ends of the filling pipe 41 to increase the flow speed of the wind entering the channel; on the other hand, the wind guiding and shunting device is convenient for guiding and shunting wind, so that the wind smoothly passes through the mesh plate 42 for silencing, and the integral silencing effect is good; of course, the filling tube 41 may also be formed by splicing a plurality of filling tube bodies to form a large filling tube 41, only the two ends of the filling tube 41 are required to be in a "V" shape, and the opening in the "V" shape faces the filling tube 41; the filling pipe bodies are spliced, so that the channel can be prolonged according to the silencing requirement, and the operation is simple, convenient and quick; and the splicing part is provided with a reinforcing rib 43, so that the strength of the splicing part is reinforced, and the stability is high.

Example 3

Basically as in embodiment 2, preferably, as shown in fig. 5, 6 and 7, the sealing doors 2 are arranged at the front and rear ends of the left frame, and the sealing doors 2 are connected with the left frame through hinges 21; the sealing door 2 is hinged with the left frame, so that the sealing door 2 is convenient and simple to open and close, the filter is convenient to replace or maintain at intervals due to the fact that the filter is arranged in the left frame, the filter is convenient to replace or maintain due to the arrangement of the sealing door 2, the filter can be operated correspondingly by opening the sealing door 2, and labor intensity is reduced; specifically, the sealing door 2 comprises a door panel 22 hinged with the left frame, door locks 23 are arranged at the upper end and the lower end of the door panel 22, a handle 24 is arranged between the two door locks 23, and the handle 24 is arranged on the door panel 22 through fasteners 25 such as fastening bolts or fastening screws, so that the handle 24 is convenient to install and maintain; the door lock 23 further reinforces the connection between the door panel 22 and the left frame, so that the door panel is not easy to be loosened by wind; and the handle 24 is arranged to facilitate the opening and closing of the door panel 22, thereby reducing the labor intensity of operators.

The screen plate 26 is arranged on one side, facing the left frame, of the door plate 22, specifically, the screen plate 26 is provided with a plurality of blocks, the plurality of screen plates 26 are fixed on one side, facing the left frame, of the door plate 22 through fastening bolts, and the screen plate 26 can play a primary noise reduction role on wind filtered by the filter, so that the noise reduction effect of the whole device is improved; the screen plates 26 are provided with a plurality of screen plates, so that the damage of a single screen plate 26 does not affect the work of the whole device, the maintenance and the replacement of the screen plates 26 are convenient, only the screen plate 26 with problems needs to be replaced independently, and the maintenance workload is reduced; and the soundproof cotton 6 is filled between the mesh plate 26 and the door plate 22, and the sealing strip is filled in the gap where the sealing door 2 is connected with the left frame, so that the whole sealing door 2 has a certain soundproof effect, and no large noise is generated to the field environment.

The examples of the utility model are only right the utility model discloses a preferred embodiment describes, and not right the utility model discloses design and scope are injectd, do not deviate from the utility model discloses under the prerequisite of design idea, the field engineering technical personnel are right the utility model discloses a various deformation and improvement that technical scheme made all should fall into the protection scope of the utility model.

Claims (10)

1. The utility model provides a box filters noise eliminator, includes box (1), and box (1) is including the left frame that is provided with the filter and the right frame that is provided with amortization piece (4), the air intake connection on filter and the left frame, its characterized in that: the air outlet side plate (10) is arranged at the right end of the box body (1), an air outlet (7) and soundproof cotton (6) are arranged on the air outlet side plate (10), and the air outlet (7) is connected with an air blower inlet through a flange.

2. The box-type filtering and noise-eliminating device according to claim 1, characterized in that: the central point of air outlet curb plate (10) puts and is provided with air outlet (7), is provided with a plurality of gusset (8) around air outlet (7), and a plurality of gusset (8) separate into a plurality of cavity with the space between air outlet (7) and air outlet curb plate (10), and the cavity intussuseption is filled with soundproof cotton (6).

3. The box-type filtering and noise-eliminating device according to claim 2, characterized in that: the cavity is provided with a punching plate (9) for pressing the soundproof cotton (6).

4. The box-type filtering and noise-eliminating device according to claim 1, characterized in that: the silencing piece (4) comprises a mesh plate (42), the mesh plate (42) is arranged on a base in the right frame, a plurality of filling pipes (41) are arranged on the mesh plate (42), two ends of each filling pipe (41) face towards the air inlet and the air outlet (7) respectively, and a channel for air supply flow to pass through is formed between every two adjacent filling pipes (41).

5. The box-type filtering and noise-eliminating device according to claim 4, wherein: the filling pipe (41) is sequentially provided with superfine glass wool (5), fireproof cloth and a punching plate (9) from inside to outside.

6. The box-type filtering and noise-eliminating device according to claim 5, wherein: both ends of the filling pipe (41) are arranged in a V shape, and the opening of the V shape faces the filling pipe (41).

7. The box-type filtering and noise-eliminating device according to claim 1, characterized in that: both ends all are provided with sealing door (2) around the left side frame, and sealing door (2) pass through hinge (21) and are connected with the left side frame.

8. The box-type filtering and noise-eliminating device according to claim 7, characterized in that: sealing door (2) include with left frame articulated door plant (22), the upper and lower both ends of door plant (22) all are provided with lock (23), are provided with handle (24) between two lock (23).

9. The box-type filtering and noise-eliminating device according to claim 8, wherein: one side of the door panel (22) facing the left frame is provided with a screen plate (26).

10. The box type filtering muffler device according to claim 1 or 7, wherein: the bottom of the box body (1) is provided with an adjusting disc (3).

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