CN214504988U

CN214504988U - Steam exhaust silencer filled with stainless steel wires

Info

Publication number: CN214504988U
Application number: CN202023310765.5U
Authority: CN
Inventors: 辛军; 秦琳玲
Original assignee: Wuxi Shiyi Electric Power Environmental Protection Co ltd
Current assignee: Wuxi Shiyi Electric Power Environmental Protection Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-26
Anticipated expiration: 2030-12-31

Abstract

The utility model provides a steam exhaust silencer filled with stainless steel wires, which comprises a shell, a first straight pipe, a second straight pipe and a stainless steel wire silencing sheet, wherein the shell is provided with a first accommodating cavity and a second accommodating cavity which are separated by a silencing plate; the first straight pipe is provided with an opening end and a closed end, the first straight pipe penetrates through the first accommodating cavity, the opening end and the closed end extend outwards from the first accommodating cavity respectively, the closed end is provided with an energy dissipation layer, and the pipe wall of the first straight pipe is provided with a plurality of small holes; the second straight pipe is positioned in the first accommodating cavity and sleeved on the periphery of the first straight pipe, the pipe wall of the second straight pipe is provided with a plurality of small holes, the first straight pipe and the second straight pipe are fixedly connected through a partition plate, and a gap is formed between the first straight pipe and the second straight pipe; the stainless steel wire silencing sheet is accommodated in the second accommodating cavity. The utility model provides a silencer adopts the stainless steel wire to make sound absorbing material, has good noise elimination function.

Description

Steam exhaust silencer filled with stainless steel wires

Technical Field

The utility model relates to a noise eliminator, concretely relates to fill nonrust steel wire exhaust silencer.

Background

Mufflers are devices that are installed in the gas flow path of exhaust ducts (e.g., steam vents, various industrial gas vents) to reduce noise. The muffler can block the propagation of sound waves and allow air flow to pass through, and is an effective tool for controlling noise.

Two basic noise reduction principles of the muffler, the diffusion cavity can reduce peak noise in a more concentrated frequency band, and whether drinking sounds thinks of providing balanced noise reduction effect in a wider frequency range.

The traditional impedance composite muffler adopts aluminum silicate fibers and the like as sound absorption materials, and sound absorption cotton is easily blown out under the long-time scouring of high-pressure gas, so that the sound absorption effect is lost.

Therefore, there is a need to provide a new solution.

Disclosure of Invention

For solving the technical problem that exists among the prior art, the utility model discloses a fill nonrust steel wire steam exhaust silencer, it can improve the absorbed dose to further have good noise elimination function. The specific technical scheme is as follows:

the utility model provides a steam exhaust silencer filled with stainless steel wires, which comprises a shell, a first straight pipe, a second straight pipe and a stainless steel wire silencing sheet,

the shell is provided with a first accommodating cavity and a second accommodating cavity which are separated by a sound-absorbing plate;

the first straight pipe is provided with an opening end and a closed end, the first straight pipe penetrates through the first accommodating cavity, the opening end and the closed end respectively extend out of the first accommodating cavity, the closed end is provided with an energy dissipation layer, and the pipe wall of the first straight pipe is provided with a plurality of small holes;

the second straight pipe is positioned in the first accommodating cavity and sleeved on the periphery of the first straight pipe, a plurality of small holes are formed in the pipe wall of the second straight pipe, the first straight pipe and the second straight pipe are fixedly connected through a partition plate, and a gap is formed between the first straight pipe and the second straight pipe;

the stainless steel wire silencing sheet is accommodated in the second accommodating cavity.

Furthermore, the stainless steel wire silencing pieces are arranged in the second accommodating cavity at equal intervals.

Furthermore, the stainless steel wire silencing pieces are vertically arranged and are perpendicular to the axis of the first straight pipe.

Further, be provided with the buffer board in the first straight tube, the buffer board is close to the blind end, buffer board and blind end form and fill the chamber, the energy dissipation layer fill in fill the intracavity, it is located to fill the chamber the first outside that holds the chamber.

Further, the first straight pipe and the second straight pipe are coaxial.

Further, one end of the stainless steel wire silencing sheet close to the silencing plate is provided with an inclined surface.

Further, the second receiving chamber has an opening.

Furthermore, a plurality of small holes are formed in the pipe wall of the first straight pipe in the first accommodating cavity, and the small holes are arranged at equal intervals.

Furthermore, the partition plates are a plurality of annular partition plates, the inner side of each annular partition plate is fixed to the outer side of the first straight pipe, and the outer side of each annular partition plate is fixed to the inner side of the second straight pipe;

and two ends of the second straight pipe are respectively provided with an annular end plate, the inner side of the annular end plate is fixed on the outer side of the first straight pipe, and the outer side of the annular end plate is fixed on the inner side of the second straight pipe.

Further, still include supporting seat, slag removal hole and drain pipe, supporting seat, slag removal hole and drain pipe all set up in the bottom of shell, slag removal hole and drain pipe respectively with first chamber intercommunication that holds.

The utility model discloses following beneficial effect has:

the utility model provides a silencer adopts the stainless steel wire to make sound absorbing material, has good noise elimination function.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a steam exhaust muffler filled with stainless steel wires according to an embodiment of the present invention;

fig. 2 is a sectional view taken along the line a in fig. 1.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model provides a fill stainless steel wire exhaust silencer, including shell 14, first straight tube 1, second straight tube 5 and stainless steel wire noise elimination piece 18. The number of the stainless steel wire silencing pieces 18 is multiple, and the multiple stainless steel wire silencing pieces 18 are arranged in the second accommodating cavity 143 at equal intervals. The stainless steel wire silencing pieces 18 are vertically arranged, and the stainless steel wire silencing pieces 18 are perpendicular to the axis of the first straight pipe 1. One end of the stainless steel wire silencing sheet 18 close to the silencing plate 17 is provided with an inclined surface which ensures that air flow smoothly enters the second accommodating cavity 143, the second accommodating cavity 143 is provided with an opening 141, and residual air flow medium after silencer treatment is discharged to the atmosphere through the opening of the second accommodating cavity.

The housing 14 is formed with a first receiving chamber 143 and a second receiving chamber 143, and the first receiving chamber 142 and the second receiving chamber 143 are separated by a sound-deadening plate 174. The second receiving chamber 143 has an opening. The housing of the first receiving chamber 142 and the housing of the second receiving chamber 143 may be connected by a rectangular flange 16, or may be integrally connected.

The first straight pipe 1 is provided with an opening end 12 and a closed end 4, the first straight pipe 1 penetrates through the first accommodating cavity 143, the opening end 12 and the closed end 4 respectively extend out of the first accommodating cavity 142, the closed end 4 is provided with an energy dissipation layer, the pipe wall of the first straight pipe 1 is provided with a plurality of small holes 11, and the small holes 11 are arranged at equal intervals. The pipe wall of the first straight pipe 1 located in the first accommodating cavity 142 is provided with a plurality of small holes 11.

The second straight pipe 5 is located in the first accommodating cavity 142 and is sleeved on the periphery of the first straight pipe 1, a plurality of small holes 51 are formed in the pipe wall of the second straight pipe 5, the small holes 51 are arranged at equal intervals, the first straight pipe 1 and the second straight pipe 5 are fixedly connected through a partition plate 8, and a gap is formed between the first straight pipe 1 and the second straight pipe 5. The first straight pipe 1 and the second straight pipe 5 are coaxial. The partition plates 8 are a plurality of annular partition plates, the inner side of each annular partition plate is fixed to the outer side of the first straight pipe 1, and the outer sides of the annular partition plates are fixed to the inner side of the second straight pipe 5. Two ends of the second straight pipe 5 are respectively provided with an annular end plate 6, the inner side of the annular end plate 6 is fixed on the outer side of the first straight pipe, and the outer side of the annular end plate 6 is fixed on the inner side of the second straight pipe.

Be provided with buffer board 2 in the first straight tube 1, buffer board 2 is close to blind end 4, buffer board 2 and blind end 4 form and fill the chamber, the energy dissipation layer 3 fill in fill the intracavity, it is located to fill the chamber the outside in first chamber 142 that holds.

Still include supporting seat 11, slag cleaning hole 12 and drain pipe 13, supporting seat 11, slag cleaning hole 12 and drain pipe 13 all set up in the bottom of shell 14, slag cleaning hole 12 and drain pipe 13 respectively with first chamber 142 intercommunication that holds.

The outer side of the shell 14 is further provided with a reinforcing channel steel 19 and a reinforcing rib 15, the reinforcing rib 15 is connected to the outer side of the first straight pipe 1 on the shell 14, and the reinforcing channel steel 19 is vertically arranged on the shell 14 outside the second accommodating cavity 143.

The utility model discloses a silencer combines resistance structure and resistive structure according to certain mode, has just constituted impedance combined type silencer. It can improve the absorption capacity and further has a good sound-deadening function.

The air flow firstly enters a reactive structure of the silencer, the reactive structure of the silencer is a first straight pipe with a closed tail end, and a plurality of small holes are drilled on the wall of the first straight pipe. The principle of the small hole silencer is based on the frequency spectrum of jet noise, the total area of the jet ports is kept unchanged, and a plurality of small jet ports are used for replacing the small hole silencer.

When the medium enters the resistive muffler after frequency shift, pressure reduction and flow equalization, the resistive muffler is mainly a stainless steel wire silencing sheet, and the silencing sheet is formed by using a stainless steel wire porous sound absorption material to reduce noise. By fixing the stainless steel wire silencing plate on the airflow channel in the second accommodating cavity, when sound waves enter the resistive silencer, a part of sound energy is rubbed in the pores of the porous material and converted into heat energy to be dissipated, so that the sound waves passing through the silencer are weakened, and finally, the frequency of the noise is called to be high frequency again through the small porous plate, thereby achieving the aim of silencing.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications and changes may be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A steam exhaust silencer filled with stainless steel wires is characterized by comprising a shell, a first straight pipe, a second straight pipe and a stainless steel wire silencing sheet,

2. The stainless steel wire filled exhaust muffler according to claim 1, wherein the stainless steel wire muffling sheets are arranged in the second accommodating chamber at equal intervals.

3. The filled stainless steel wire steam exhaust muffler according to claim 1, wherein the stainless steel wire muffling sheets are arranged vertically and perpendicular to the axis of the first straight pipe.

4. The stainless steel wire filled exhaust steam muffler according to claim 1, wherein a buffer plate is arranged in the first straight pipe, the buffer plate is close to the closed end, the buffer plate and the closed end form a filling cavity, the energy dissipation layer is filled in the filling cavity, and the filling cavity is located outside the first accommodating cavity.

5. The stainless steel wire filled exhaust muffler according to claim 1, wherein the first and second straight pipes are coaxial.

6. The filled stainless steel wire exhaust muffler according to claim 1, wherein an end of the stainless steel wire muffler plate adjacent to the muffler plate has a chamfer.

7. The stainless steel filled wire exhaust muffler according to claim 1, wherein the second receiving chamber has an opening.

8. The steam exhaust muffler filled with the stainless steel wires according to claim 1, wherein the wall of the first straight pipe in the first accommodating cavity is provided with a plurality of small holes, and the small holes are arranged at equal intervals.

9. The stainless steel wire filled exhaust muffler according to claim 1, wherein the partition is a plurality of annular partitions, an inner side of each annular partition is fixed to an outer side of the first straight pipe, and an outer side of each annular partition is fixed to an inner side of the second straight pipe;

10. The stainless steel wire filled exhaust steam muffler according to claim 1, further comprising a support seat, a slag cleaning hole and a drain pipe, wherein the support seat, the slag cleaning hole and the drain pipe are all arranged at the bottom of the housing, and the slag cleaning hole and the drain pipe are respectively communicated with the first accommodating cavity.