CN216590540U

CN216590540U - Frequency conversion liquid-filled type pipeline silencer

Info

Publication number: CN216590540U
Application number: CN202123347876.8U
Authority: CN
Inventors: 张明; 李文厚; 李�昊; 张琳
Original assignee: Wuhan Guantai Noise Control Equipment Co ltd
Current assignee: Wuhan Guantai Noise Control Equipment Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-24
Anticipated expiration: 2031-12-28

Abstract

The utility model provides a frequency conversion liquid filling type pipeline silencer, which relates to the technical field of silencers, and comprises a connecting pipeline and a silencing pipeline inside the connecting pipeline, wherein the silencing pipeline is arranged inside the connecting pipeline and is arranged inside the connecting pipeline in a bending way, the silencing pipeline is respectively internally provided with a first guide disc, a second guide disc and a third guide disc, silencing cotton columns are arranged between the outer wall of the silencing pipeline and the connecting pipeline in an array way, the inner wall of the connecting pipeline is filled with a silencing rubber layer, the silencing pipeline which is continuously bent and arranged inside the connecting pipeline is adopted to carry out liquid silencing treatment, when the silencing pipeline is subjected to the continuous bent pipe silencing treatment, the silencing treatment of reducing and controlling the diameter of water flow is carried out by the first guide disc, the second guide disc and the third guide disc in sequence, the silencing rubber layer is matched to carry out sound absorption treatment, so that the efficiency of the liquid silencing treatment is effectively increased, simple structure is easily controlled and is convenient to use.

Description

Frequency conversion liquid-filled type pipeline silencer

Technical Field

The utility model relates to a silencer technical field especially relates to a frequency conversion liquid filling formula pipeline silencer.

Background

According to the novel compound silencer that chinese patent number is CN210034747U discloses, including the pipeline with locate the noise elimination pipeline in the pipeline outside, noise elimination pipeline is formed by last arc pipe and lower arc pipe of each other's rigid coupling from top to bottom, the inside wall of going up arc pipe and lower arc pipe all is equipped with attracts cotton pad, the inboard that attracts cotton pad is equipped with the soundboard that returns, the outside rigid coupling of pipeline has the layer board, layer board bottom intercommunication has the fluid-discharge tube that runs through arc pipe down. This novel composite muffler, through inhale the outer water proof membrane of sound cotton pad and effectively separate the aqueous vapor and inhale the contact of sound cotton pad, guarantee to inhale the sound absorbing effect of sound cotton pad, improve and use the durability, the design through the layer board supports the pipeline simultaneously when placing the liquid through the direct discharge production of fluid-discharge tube, set up in the rubber pad and inhale the sound cotton post, the sealed effect of the gap department that prolongs of sound has effectively been reduced when having guaranteed to go up the arc pipe and lower arc pipe junction, the noise cancelling effect of combined muffler has been strengthened.

Above-mentioned patent document pipeline is straight cartridge type pipeline when the noise elimination is handled, and liquid circulation time is of a specified duration, and the pipeline of linear type is poor for the pipeline amortization effect of bending nature, and when simultaneously to liquid circulation amortization use, the aperture is unanimous, and the amortization effect is not good, is unfavorable for in-service use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a variable-frequency liquid-filled pipeline silencer.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the variable-frequency liquid-filling type pipeline silencer comprises a connecting pipeline and a silencing pipeline inside the connecting pipeline, wherein the silencing pipeline is arranged inside the connecting pipeline and is arranged inside the connecting pipeline in a bending mode, a first guide disc, a second guide disc and a third guide disc are arranged inside the silencing pipeline respectively, silencing cotton columns are arranged between the outer wall of the silencing pipeline and the connecting pipeline in an array mode, and a silencing rubber layer is filled in the inner wall of the connecting pipeline.

Preferably, the surface of the first guide disc is provided with a first water guide hole, the surface of the second guide disc is provided with a second water guide hole, the surface of the third guide disc is provided with a third water guide hole, and the diameters of the first water guide hole, the second water guide hole and the third water guide hole are gradually reduced and the density is gradually increased.

Preferably, the silencing rubber layer is formed by arranging, splicing and molding hexagonal silencing pieces, the hexagonal silencing pieces are fixed to the inner wall of the silencing pipeline, and the adjacent hexagonal silencing pieces are fixed to each other.

Preferably, a water inlet pipe orifice is arranged at one end of the connecting pipeline, a water outlet pipe orifice is arranged at the other end of the connecting pipeline, connecting bolts are arranged on the surfaces of the water inlet pipe orifice and the water outlet pipe orifice, and the diameter of the water inlet pipe orifice is the same as that of the water outlet pipe orifice.

Preferably, one end of the silencing cotton column is fixed with the inner wall of the silencing pipeline, the other end of the silencing cotton column is abutted against the outer wall of the silencing pipeline, and the surfaces of the outer walls of the adjacent silencing cotton columns are abutted.

Preferably, the parts where the inner wall of the connecting pipeline abuts against the outer wall of the silencing pipeline are welded and fixed, and the outer wall of the end part of the silencing pipeline abuts against and is fixed with the inner wall of the water inlet pipe orifice.

Advantageous effects

The utility model discloses in, adopt the inside noise elimination pipeline that sets up continuous bending of connecting tube to carry out liquid noise elimination and handle, get into the noise elimination pipeline and when receiving continuous return bend noise elimination, carry out the noise elimination that the rivers diameter reduces control through first positioning disk, second positioning disk and third positioning disk in proper order and handle, the cooperation noise elimination rubber layer carries out the sound absorption and handles, effectively increases liquid noise elimination treatment efficiency, simple structure easily controls convenient to use.

Drawings

FIG. 1 is a front cross-sectional view of a variable frequency liquid-filled pipe muffler;

FIG. 2 is a diagram of the internal structure of a connecting pipe of a variable frequency liquid-filled pipe muffler;

FIG. 3 is a schematic perspective view of a variable frequency liquid-filled pipe muffler;

fig. 4 is a side view of a variable frequency liquid filled pipe muffler.

Illustration of the drawings:

1. connecting a pipeline; 2. a sound-deadening pipeline; 3. a sound-deadening cotton column; 4. a water inlet pipe orifice; 5. a water outlet pipe orifice; 6. a sound-deadening rubber layer; 7. hexagonal silencing sheets; 8. a connecting bolt; 9. a first guide plate; 10. a first water guide hole; 11. a second guide plate; 12. a second water guide hole; 13. a third guide plate; 14. and a third water guide hole.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, a variable frequency liquid-filled type pipeline silencer comprises a connecting pipeline 1 and a silencing pipeline 2 inside the connecting pipeline 1, wherein the silencing pipeline 2 is arranged inside the connecting pipeline 1, the silencing pipeline 2 is arranged inside the connecting pipeline 1 in a bending manner, a first guide disc 9, a second guide disc 11 and a third guide disc 13 are respectively arranged inside the silencing pipeline 2, silencing cotton columns 3 are arranged between the outer wall of the silencing pipeline 2 and the connecting pipeline 1 in an array manner, a silencing rubber layer 6 is filled in the inner wall of the connecting pipeline 1, the silencing pipeline 2 which is continuously bent and arranged inside the connecting pipeline 1 is adopted for liquid silencing treatment, the silencing pipeline 2 enters the silencing pipeline 2 and is subjected to silencing treatment by continuous bent pipes, and simultaneously is subjected to silencing treatment by the first guide disc 9, the second guide disc 11 and the third guide disc 13 in sequence for water flow diameter reduction control, and is matched with the silencing rubber layer 6 for sound absorption treatment, the liquid silencing treatment efficiency is effectively increased, the structure is simple, the control is easy, the use is convenient, the first guide disc 9 is provided with a first water guide hole 10 on the surface, the second guide disc 11 is provided with a second water guide hole 12 on the surface, the third guide disc 13 is provided with a third water guide hole 14 on the surface, the diameters of the first water guide hole 10, the second water guide hole 12 and the third water guide hole 14 are gradually reduced, the density is gradually increased, the silencing effect on the liquid is more obvious as the liquid enters the silencing pipeline 2 and sequentially passes through the first water guide hole 10, the second water guide hole 12 and the third water guide hole 14 and gradually reduces along with the diameter, meanwhile, at least three guide discs are arranged in the silencing pipeline 2, a plurality of water guide discs can be arranged for use according to the actual liquid water guide silencing efficiency, the silencing rubber layer 6 is formed by arranging and splicing the six silencing sheets 7, and the six silencing sheets 7 are fixed with the inner wall of the silencing pipeline 2, the adjacent hexagonal silencing sheets 7 are fixed with each other, the silencing rubber layer 6 is formed through the hexagonal silencing sheets 7, the sections of the front surfaces of the hexagonal silencing sheets 7 are regular hexagons, the splicing is more compact when the hexagonal silencing sheets 7 are spliced, splicing gaps are reduced, the silencing efficiency of the formed silencing rubber layer 6 is improved, one end of the connecting pipeline 1 is provided with a water inlet pipe orifice 4, the other end of the connecting pipeline 1 is provided with a water outlet pipe orifice 5, the surfaces of the water inlet pipe orifice 4 and the water outlet pipe orifice 5 are respectively provided with a connecting bolt 8, the diameter of the water inlet pipe orifice 4 is the same as that of the water outlet pipe orifice 5, liquid enters the silencing pipeline 2 from the water inlet pipe orifice 4 for silencing treatment, the liquid after silencing is discharged through the water outlet pipe orifice 5, the connecting bolt 8 is used for connecting and sealing the connecting pipeline 1 with an external liquid outlet pipeline, one end of the silencing cotton column 3 is fixed with the inner wall of the silencing pipeline 2, the other end of the silencing cotton column 3 is abutted against the outer wall of the silencing pipeline 2, the surfaces of the outer walls of the adjacent silencing cotton columns 3 are abutted, the silencing cotton columns 3 perform sound absorption treatment between the connecting pipeline 1 and the silencing pipeline 2, meanwhile, when liquid enters the silencing pipeline 2, the silencing cotton columns 3 perform buffering and anti-collision treatment on the silencing pipeline 2, the actual energy absorption silencing is convenient to use, the inner walls of the connecting pipeline 1 and the outer walls of the silencing pipeline 2 are fixedly welded, the outer walls of the end parts of the silencing pipeline 2 are abutted and fixed with the inner walls of the water inlet pipe orifices 4, and the liquid can enter conveniently.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a frequency conversion liquid filling formula pipeline silencer, includes connecting tube (1) and connecting tube (1) inside noise elimination pipeline (2), its characterized in that: the noise elimination device is characterized in that a noise elimination pipeline (2) is arranged inside the connecting pipeline (1), the noise elimination pipeline (2) is arranged inside the connecting pipeline (1) in a bending mode, a first guide disc (9), a second guide disc (11) and a third guide disc (13) are arranged inside the noise elimination pipeline (2) respectively, noise elimination cotton columns (3) are arranged between the outer wall of the noise elimination pipeline (2) and the connecting pipeline (1) in an array mode, and a noise elimination rubber layer (6) is filled in the inner wall of the connecting pipeline (1).

2. The variable frequency liquid-filled pipe muffler of claim 1, wherein: the surface of the first guide disc (9) is provided with a first water guide hole (10), the surface of the second guide disc (11) is provided with a second water guide hole (12), the surface of the third guide disc (13) is provided with a third water guide hole (14), and the diameters of the first water guide hole (10), the second water guide hole (12) and the third water guide hole (14) are gradually reduced, and the density is gradually increased.

3. The variable frequency liquid-filled pipe muffler of claim 1, wherein: the silencing rubber layer (6) is formed by arranging, splicing and forming hexagonal silencing sheets (7), the hexagonal silencing sheets (7) are fixed to the inner wall of the silencing pipeline (2), and the adjacent hexagonal silencing sheets (7) are fixed to each other.

4. The variable frequency liquid-filled pipe muffler of claim 1, wherein: connecting tube (1) one end is equipped with water inlet pipe (4), connecting tube (1) other end is equipped with outlet pipe (5), water inlet pipe (4) and outlet pipe (5) surface all are equipped with connecting bolt (8), water inlet pipe (4) diameter is the same with outlet pipe (5) diameter.

5. The variable frequency liquid-filled pipe muffler of claim 1, wherein: one end of the silencing cotton column (3) is fixed with the inner wall of the silencing pipeline (2), the other end of the silencing cotton column (3) is abutted against the outer wall of the silencing pipeline (2), and the surface of the outer wall of the adjacent silencing cotton column (3) is abutted.

6. The variable frequency liquid-filled pipe muffler of claim 4, wherein: the inner wall of the connecting pipeline (1) is fixedly welded with the outer wall of the silencing pipeline (2), and the outer wall of the end part of the silencing pipeline (2) is fixedly abutted with the inner wall of the water inlet pipe orifice (4).