CN217441104U

CN217441104U - Silencer for adsorption cylinder drying equipment

Info

Publication number: CN217441104U
Application number: CN202220584378.0U
Authority: CN
Inventors: 陶长江
Original assignee: Chongqing Aisentuo Environmental Protection Technology Co ltd
Current assignee: Chongqing Aisentuo Environmental Protection Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-09-16
Anticipated expiration: 2032-03-17

Abstract

The utility model provides a silencer for an adsorption cylinder drying device, wherein the left side and the right side of a pipe body are respectively provided with an air outlet and an air inlet; the inside of the pipe body is provided with a partition board which divides the inside of the pipe body into a silencing bin at the left side and a decelerating bin at the right side; a plurality of speed reducing plates are fixed in the speed reducing bin and can reduce the speed of the gas discharged from the gas inlet; the silencing bin is internally fixed with a silencing pipe, and after the decelerated gas is discharged into the silencing pipe, the gas is discharged from the tiny holes on the side wall of the silencing pipe, so that the frequency spectrum of the jet noise moves to high frequency or ultrahigh frequency, the sound components audible to human ears in the frequency spectrum are reduced, the noise reduction effect is achieved, and the gas discharged from the silencing pipe is finally discharged through a gas outlet on the left side of the pipe body. The silencer utilizes the speed reduction plate and the silencing pipe to achieve the effect of reducing noise, and no filler is arranged in the silencer, so that the silencer is not easy to block and has a good using effect.

Description

Silencer for adsorption cylinder drying equipment

Technical Field

The utility model relates to industrial gas production field, in particular to a silencer for adsorption cylinder drying equipment.

Background

In industrial gas production, adsorption cylinder drying equipment is often used to dry gas to remove moisture from the gas. Because adsorption cylinder drying equipment utilizes the pressure swing adsorption principle to reach the effect of dry gas, the air velocity of adsorption cylinder drying equipment's gas outlet department is great, produces great noise, consequently needs to install the muffler in adsorption cylinder drying equipment's gas outlet department. Some existing silencers are filled with fillers with noise reduction effects, so that the exhaust channel is easy to block, and the noise reduction effect is poor.

Disclosure of Invention

In order to solve the defects of the prior art, the utility model provides an adsorption cylinder muffler for drying equipment.

The utility model provides a technical scheme is: a muffler for a cartridge drying apparatus, comprising: the silencer comprises a pipe body, a partition plate, a speed reducing plate and a silencing pipe; the pipe body is a closed cylindrical hollow metal pipe, the middle part of the right side wall of the pipe body is provided with an air inlet communicated with the inside of the pipe body, and the middle part of the left side wall of the pipe body is provided with an air outlet communicated with the inside of the pipe body; a partition plate is arranged in the middle of the inner part of the pipe body and is inclined to the right, a circular through hole is formed in the center of the partition plate, and the inner part of the pipe body is divided into a right speed reduction bin and a left silencing bin by the partition plate; a plurality of speed reducing plates are fixed in the speed reducing bin, and the speed reducing plates are funnel-shaped and incline towards the direction of the partition plate; the silencing bin is internally fixed with a silencing pipe, and the inlet of the right end of the silencing pipe is fixed with the round through hole of the partition board.

The utility model discloses a silencer for an adsorption cylinder drying device, wherein a gas outlet and a gas inlet are respectively arranged on the left side and the right side of a pipe body; the inside of the pipe body is provided with a partition board which divides the inside of the pipe body into a silencing bin at the left side and a decelerating bin at the right side; a plurality of speed reducing plates are fixed in the speed reducing bin and can reduce the speed of the gas discharged from the gas inlet; the silencing bin is internally fixed with a silencing pipe, and after the decelerated gas is discharged into the silencing pipe, the gas is discharged from the tiny holes on the side wall of the silencing pipe, so that the frequency spectrum of the jet noise moves to high frequency or ultrahigh frequency, the sound components audible to human ears in the frequency spectrum are reduced, the noise reduction effect is achieved, and the gas discharged from the silencing pipe is finally discharged through a gas outlet on the left side of the pipe body. The silencer utilizes the speed reduction plate and the silencing pipe to achieve the effect of reducing noise, and no filler is arranged in the silencer, so that the silencer is not easy to block and has a good using effect. Specifically, the utility model discloses a silencer for adsorption cylinder drying equipment, include: body, baffle, air brake and hush pipe. The pipe body is a closed cylindrical hollow metal pipe, an air inlet communicated with the inside of the pipe body is formed in the middle of the right side wall of the pipe body, an air outlet communicated with the inside of the pipe body is formed in the middle of the left side wall of the pipe body, and the air inlet and the air outlet are formed by a circular pipeline communicated with the pipe body and a flange connecting piece at the tail end of the pipeline. The inside middle oblique right play of body is equipped with the baffle, and the baffle is the metal material, and baffle center department is equipped with circular through-hole, and the baffle is divided into the speed reduction storehouse on right side and the left amortization storehouse with the body is inside. A plurality of speed reducing plates are fixed in the speed reducing bin, the speed reducing plates are funnel-shaped and made of metal, and the speed reducing plates are inclined towards the direction of the partition plate. The silencing bin is internally fixed with a silencing pipe, the inlet of the right end of the silencing pipe is fixed with the round through hole of the partition board, and gas which enters the decelerating plate for deceleration is directly discharged into the silencing pipe, then discharged from the silencing pipe and finally discharged from the gas outlet at the left side of the pipe body.

Preferably, the center of the speed reducing plate is provided with a circular main vent hole, and the plate surface of the speed reducing plate is provided with a plurality of rows of secondary vent holes around the main vent hole.

Preferably, the deceleration plates in the deceleration bin have three deceleration plates, and the radius of the main vent hole of each deceleration plate from right to left is reduced sequentially.

Preferably, the silencing pipe is a straight pipe with an opening at the right end and a closed left end, and dense small holes are formed in the pipe wall of the silencing pipe.

Preferably, the outer side of the pipe body is fixedly coated with a first sound insulation layer.

Preferably, the surface of the inner sidewall of the pipe body is covered with a second soundproof layer.

Preferably, the first and second sound-insulating layers are both composed of rock wool and sound-insulating cotton.

The utility model discloses the beneficial effect who reaches does:

the utility model provides a silencer for an adsorption cylinder drying device, wherein the left side and the right side of a pipe body are respectively provided with an air outlet and an air inlet; the inside of the pipe body is provided with a partition board which divides the inside of the pipe body into a silencing bin at the left side and a decelerating bin at the right side; a plurality of speed reducing plates are fixed in the speed reducing bin and can reduce the speed of the gas discharged from the gas inlet; the silencing bin has silencing pipe fixed inside, and the decelerated gas is exhausted from the small holes in the side wall of the silencing pipe to shift the frequency spectrum of the jet noise to high frequency or ultrahigh frequency to reduce the audible sound component in the frequency spectrum and to reduce noise, and the gas exhausted from the silencing pipe is exhausted via the left gas outlet of the pipe. The silencer utilizes the speed reduction plate and the silencing pipe to achieve the effect of reducing noise, and no filler is arranged in the silencer, so that the silencer is not easy to block and has a good using effect.

Drawings

Fig. 1 is a schematic front sectional view of a silencer for an adsorption drum drying device according to the present invention; fig. 2 is a schematic top view of the speed reduction plate of the present invention.

In the drawings: 1. a pipe body; 2. an air inlet; 3. an air outlet; 4. a partition plate; 5. a deceleration bin; 6. a silencing bin; 7. a speed reduction plate; 8. a sound-deadening tube; 9. a first sound insulating layer; 10. a second sound insulating layer; 71. a primary vent; 72. a secondary vent.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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

In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.

As shown in fig. 1, a silencer for a drying apparatus of a sorption cartridge includes: the pipe comprises a pipe body 1, a partition plate 4, a speed reducing plate 7 and a silencing pipe 8; the pipe body 1 is a closed cylindrical hollow metal pipe, the middle part of the right side wall of the pipe body 1 is provided with an air inlet 2 communicated with the inside of the pipe body 1, and the middle part of the left side wall of the pipe body 1 is provided with an air outlet 3 communicated with the inside of the pipe body 1; a partition plate 4 is arranged in the middle of the interior of the pipe body 1, the partition plate 4 is provided with a circular through hole in the center, and the interior of the pipe body 1 is divided into a right speed reduction bin 5 and a left silencing bin 6 by the partition plate 4; a plurality of speed reducing plates 7 are fixed in the speed reducing bin 5, and the speed reducing plates 7 are funnel-shaped and incline towards the partition plate 4; a silencing pipe 8 is fixed in the silencing bin 6, and the inlet of the right end of the silencing pipe 8 is fixed with the round through hole of the partition plate 4.

The utility model discloses a silencer for an adsorption cylinder drying device, wherein a gas outlet 3 and a gas inlet 2 are respectively arranged on the left side and the right side of a tube body 1; a partition plate 4 is arranged in the pipe body 1 to divide the inside of the pipe body 1 into a silencing bin 6 at the left side and a decelerating bin 5 at the right side; a plurality of speed reducing plates 7 are fixed in the speed reducing bin 5 and can reduce the speed of the gas discharged from the gas inlet 2; the silencing bin 6 is internally fixed with a silencing pipe 8, and after the decelerated gas is discharged into the silencing pipe 8, the gas is discharged from fine holes on the side wall of the silencing pipe 8, so that the frequency spectrum of jet noise moves to high frequency or ultrahigh frequency, the audible sound components of human ears in the frequency spectrum are reduced, the noise reduction effect is achieved, and the gas discharged from the silencing pipe 8 is finally discharged through the gas outlet 3 on the left side of the pipe body 1. The silencer utilizes the speed reducing plate 7 and the silencing pipe 8 to achieve the effect of reducing noise, no filler is filled in the silencer, blockage is not easy to occur, and the silencer has a good using effect. Specifically, as shown in fig. 1, the utility model discloses a silencer for adsorption cylinder drying equipment, include: the pipe comprises a pipe body 1, a partition plate 4, a speed reducing plate 7 and a silencing pipe 8. Wherein, body 1 is confined cylindrical cavity tubular metal resonator, and the right side wall middle part of body 1 is equipped with the air inlet 2 with the inside intercommunication of body 1, and the left side wall middle part of body 1 is equipped with the gas outlet 3 with the inside intercommunication of body 1, and air inlet 2 and gas outlet 3 constitute by the circular pipeline and the terminal flange joint spare of pipeline that communicate in body 1. The inside middle oblique right side of body 1 goes out and is equipped with baffle 4, and baffle 4 is the metal material, and 4 center departments of baffle are equipped with circular through-hole, and baffle 4 is divided into the speed reduction storehouse 5 on right side and left amortization storehouse 6 with body 1 is inside. A plurality of speed reducing plates 7 are fixed in the speed reducing bin 5, the speed reducing plates 7 are funnel-shaped and made of metal, and the speed reducing plates 7 are inclined towards the partition plate 4. A silencing pipe 8 is fixed in the silencing bin 6, the inlet of the right end of the silencing pipe 8 is fixed with the round through hole of the partition plate 4, and gas which enters the silencing pipe 8 and is decelerated by the decelerating plate 7 is directly discharged into the silencing pipe 8, then discharged from the silencing pipe 8 and finally discharged from the gas outlet 3 on the left side of the pipe body 1.

In at least one embodiment, as shown in fig. 2, a circular main vent hole 71 is provided at the center of the speed reduction plate 7, and several rows of circular secondary vent holes are provided on the plate surface of the speed reduction plate 7 around the main vent hole 71.

In at least one embodiment, as shown in fig. 1, the deceleration plates 7 in the deceleration bin 5 have three in total, the radius of the main vent hole 71 of each deceleration plate 7 from right to left decreases sequentially, and the three deceleration plates 7 form two deceleration chambers to reduce the flow rate of the gas entering from the gas inlet 2.

In at least one embodiment, as shown in fig. 1, the silencing tube 8 is a straight tube with an open right end and a closed left end, and the wall of the silencing tube 8 is provided with dense small holes. Compared with the conventional pipeline, the silencing pipe 8 adopts a plurality of small holes to replace the original nozzle on the premise that the total area of the nozzle is not changed, and when the airflow passes through the small holes, the frequency spectrum of the jet noise can move to high frequency or ultrahigh frequency, so that the audible sound component of human ears in the frequency spectrum is obviously reduced, and the effect of reducing the noise is achieved.

In at least one embodiment, as shown in fig. 1, the outside of the tubular body 1 is fixedly wrapped with a first soundproof layer 9.

In at least one embodiment, as shown in fig. 1, the surface of the inside sidewall of the pipe body 1 is coated with a second soundproof layer 10.

In at least one embodiment, the first and second sound-

insulating layers

9 and 10 are each made of rock wool sound-insulating cotton having a plurality of fine, small holes that absorb some of the noise.

Obviously, the silencer for the drying equipment of the adsorption cylinder provided by the utility model is provided with an air outlet 3 and an air inlet 2 on the left side and the right side of the pipe body 1 respectively; a partition plate 4 is arranged in the pipe body 1 to divide the inside of the pipe body 1 into a silencing bin 6 at the left side and a decelerating bin 5 at the right side; a plurality of speed reducing plates 7 are fixed in the speed reducing bin 5 and can reduce the speed of the gas discharged from the gas inlet 2; the silencing bin 6 is internally fixed with a silencing pipe 8, and after the decelerated gas is discharged into the silencing pipe 8, the gas is discharged from fine holes on the side wall of the silencing pipe 8, so that the frequency spectrum of jet noise moves to high frequency or ultrahigh frequency, the audible sound components of human ears in the frequency spectrum are reduced, the noise reduction effect is achieved, and the gas discharged from the silencing pipe 8 is finally discharged through the gas outlet 3 on the left side of the pipe body 1. The silencer utilizes the speed reducing plate 7 and the silencing pipe 8 to achieve the effect of reducing noise, no filler is filled in the silencer, blockage is not easy to occur, and the silencer has a good using effect.

The foregoing is directed to the preferred embodiment of the present invention, and it is understood that a person skilled in the art can derive the related technical solutions through logic analysis, inference or experiment based on the prior art according to the concepts of the present invention without creative efforts, and therefore, all of the related technical solutions should be within the protection scope of the present claims.

Claims

1. The utility model provides a silencer for adsorption cylinder drying equipment which characterized in that includes: the pipe body (1), the partition plate (4), the speed reducing plate (7) and the silencing pipe (8); the pipe body (1) is a closed cylindrical hollow metal pipe, the middle part of the right side wall of the pipe body (1) is provided with an air inlet (2) communicated with the inside of the pipe body (1), and the middle part of the left side wall of the pipe body (1) is provided with an air outlet (3) communicated with the inside of the pipe body (1); a partition plate (4) is arranged in the middle of the inner part of the pipe body (1) in a manner of deviating from the right, a circular through hole is formed in the center of the partition plate (4), and the inner part of the pipe body (1) is divided into a speed reduction bin (5) on the right side and a silencing bin (6) on the left side by the partition plate (4); a plurality of speed reducing plates (7) are fixed in the speed reducing bin (5), and the speed reducing plates (7) are funnel-shaped and incline towards the partition plate (4); a silencing pipe (8) is fixed in the silencing bin (6), and the inlet of the right end of the silencing pipe (8) is fixed with the round through hole of the partition board (4).

2. The silencer for the drying device of the adsorption cylinder as claimed in claim 1, wherein a circular main vent hole (71) is formed at the center of the speed reduction plate (7), and a plurality of rows of sub-vent holes are formed on the plate surface of the speed reduction plate (7) around the main vent hole (71).

3. A silencer for a dryer of adsorption cylinder according to claim 2, characterized in that the number of the speed-reducing plates (7) in the speed-reducing chamber (5) is three, and the radius of the main ventilation hole (71) of each speed-reducing plate (7) decreases from right to left.

4. A silencer for a drying apparatus of an adsorption drum according to claim 3, wherein the silencer duct (8) is a straight duct having an open right end and a closed left end, and the wall of the silencer duct (8) is provided with dense small holes.

5. The silencer for the adsorption drum drying equipment according to claim 4, wherein the outside of the pipe body (1) is fixedly covered with a first soundproof layer (9).

6. The silencer for the adsorption drum drying equipment according to claim 5, wherein the surface of the inside sidewall of the pipe body (1) is coated with a second soundproof layer (10).

7. A silencer for a drying apparatus of a sorption cartridge according to claim 6, wherein the first and second soundproof layers (9, 10) are each made of rock wool soundproof cotton.