CN210978946U

CN210978946U - Silencer for absorbing vertical and horizontal thermal displacement of exhaust pipeline

Info

Publication number: CN210978946U
Application number: CN201922166806.9U
Authority: CN
Inventors: 彭建刚
Original assignee: Changzhou Jiangnan Environmental Protection Equipment Co ltd
Current assignee: Changzhou Jiangnan Environmental Protection Equipment Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-10
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a silencer for absorbing vertical and horizontal thermal displacement of an exhaust pipeline, which adopts the technical proposal that the silencer comprises a silencer shell, wherein one end of the silencer shell is welded with a silencer mounting flange, the other end of the silencer shell is welded with a gas outlet, the inner cavity of the silencer shell is provided with a silencer inner layer, and the inner cavity of the silencer inner layer is provided with a silencing cylinder; through the vacuum cavity that sets up between silencer shell and muffler mounting flange, can further improve noise cancelling effect, through the protection network, can play the guard action, can not get into external foreign matter and take place the jam in the inner chamber of assurance silencer inlayer, through the backup pad, can play the water conservancy diversion effect, make the silencer can act on in high-speed blast pipe, the suitability of silencer has been improved, through the anti-rust paint that the silencer shell was paintd, can make the silencer shell place for a long time with outdoor, the live time of silencer shell has been increased, the maintenance cost has been indirectly reduced.

Description

Silencer for absorbing vertical and horizontal thermal displacement of exhaust pipeline

Technical Field

The utility model relates to an exhaust duct silencer field, in particular to absorb silencer of exhaust duct vertical and horizontal thermal displacement.

Background

The silencer is a noise reduction device which can be used for a gas flow pipeline with noise transmission, such as a pipeline and an elbow with a sound absorption lining or a pipeline with suddenly changed sectional area and other discontinuous acoustic impedances, and can be used for attenuating or reflecting noise in the pipeline, wherein the pipeline is called a resistive silencer, the pipeline is also called a resistive silencer, and the pipeline has a combined impedance silencer;

the existing exhaust pipe silencer absorbs vertical and horizontal thermal displacement of an exhaust pipe through a corrugated compensator, but the silencer is connected with the exhaust pipe through the corrugated compensator in the market, so that the corrugated compensator is easy to damage, the failure rate is high, and therefore, the silencer for absorbing the vertical and horizontal thermal displacement of the exhaust pipe is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model aims to provide an absorb silencer of exhaust pipe vertical and horizontal thermal displacement, through the vacuum cavity that sets up between silencer shell and muffler mounting flange, can further improve noise elimination, through the protection network, can play the guard action, can not get into external foreign matter and take place to block up in the inner chamber of assurance silencer inlayer, through the backup pad, can play the water conservancy diversion effect, make the silencer can act on in high-speed exhaust pipe, the suitability of silencer has been improved, through the anti-rust paint that the silencer shell paintd, can make the silencer shell place for a long time with outdoor, the live time of silencer shell has been increased, the maintenance cost has indirectly been reduced.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an absorb silencer of exhaust steam pipeline vertical and horizontal thermal displacement, includes the silencer shell, the one end welding of silencer shell has muffler mounting flange, the other end welding of silencer shell has the gas outlet, the inner chamber of silencer shell is provided with the silencer inlayer, the inner chamber of silencer inlayer is equipped with the amortization drum, the inner chamber welding of muffler mounting flange has built-in ripple compensator, be equipped with the vacuum cavity between silencer shell and the silencer inlayer.

The vacuum cavity formed between the silencer outer shell and the silencer inner layer can further improve the silencing effect.

Furthermore, one end of the air outlet, which is far away from the silencer shell, is connected with a safety protection net through a bolt.

The protective net arranged at the port position of the air outlet can play a role in protection, and the inner cavity of the inner layer of the silencer can not enter external foreign matters to be blocked.

Further, the built-in corrugated compensator is arranged in the position, close to the silencing cylinder, of the inner cavity of the silencer mounting flange.

Make the gas in the exhaust pipe directly get into the amortization drum through built-in corrugated compensator in, make the effect of amortization drum reach the maximize, improved the noise cancelling effect of silencer greatly, built-in corrugated compensator sets up in the inner chamber of silencer mounting flange, receives the protection, and is not fragile.

Further, the one end welding that the amortization drum is close to the gas outlet has the mounting panel, the mounting panel is fixed in the inner chamber of silencer inlayer, the inner chamber welding of amortization drum has the backup pad, the inboard welding of backup pad has the dead lever.

Furthermore, the quantity of backup pad is a plurality of groups, and a plurality of groups backup pad is radially evenly set up the side surface at the dead lever.

The supporting plate arranged can play a role in guiding flow, so that the silencer can be used in a high-speed exhaust pipe, and the applicability of the silencer is improved.

Furthermore, a plurality of small vent holes are uniformly formed in the inner wall of the silencing cylinder, and the diameter of each small vent hole is mm-mm.

Further, the built-in corrugated compensator is communicated with the silencing cylinder.

Furthermore, a layer of antirust paint is coated on the outer surface of the shell of the silencer, and the distance between the inner layer of the silencer and the side wall of the silencing cylinder is one fourth of the diameter of the silencing cylinder.

The muffler shell is coated with the antirust paint, so that the muffler shell can be placed outdoors for a long time, the service time of the muffler shell is prolonged, and the maintenance cost is indirectly reduced.

To sum up, the utility model discloses following beneficial effect has:

1. the vacuum cavity formed between the silencer shell and the silencer inner layer can further improve the silencing effect, and the protective net arranged at the port position of the air outlet can play a role in protection, so that foreign matters cannot enter the inner cavity of the silencer inner layer to block;

2. the gas in the exhaust pipe can directly enter the silencing cylinder through the built-in corrugated compensator, so that the effect of the silencing cylinder is maximized, the silencing effect of the silencer is greatly improved, and the built-in corrugated compensator is arranged in the inner cavity of the silencer mounting flange, is protected and is not easy to damage;

3. the supporting plate can play a role in guiding flow, so that the silencer can act in the high-speed exhaust pipe, and the applicability of the silencer is improved;

4. the muffler shell is coated with the antirust paint, so that the muffler shell can be placed outdoors for a long time, the service time of the muffler shell is prolonged, and the maintenance cost is indirectly reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a cross-sectional view of the present embodiment;

fig. 3 is a side view of the damper cylinder in this embodiment.

In the figure, 1, a muffler shell; 2. a muffler mounting flange; 3. an air outlet; 4. a safety protection net; 5. a built-in ripple compensator; 6. an inner layer of the muffler; 7. a vacuum chamber; 8. a noise reduction cylinder; 9. mounting a plate; 10. a support plate; 11. and (5) fixing the rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-3, for the utility model discloses a silencer of absorbing exhaust steam pipeline vertical and horizontal thermal displacement in the preferred embodiment, including silencer shell 1, silencer mounting flange 2 has been welded to the one end of silencer shell 1, and the other end welding of silencer shell 1 has gas outlet 3, and the inner chamber of silencer shell 1 is provided with silencer inlayer 6, and the inner chamber of silencer inlayer 6 is equipped with amortization drum 8, and the inner chamber welding of silencer mounting flange 2 has built-in ripple compensator 5, is equipped with vacuum cavity 7 between silencer shell 1 and the silencer inlayer 6.

The vacuum chamber 7 formed between the muffler outer shell 1 and the muffler inner layer 6 can further improve the sound-damping effect.

Referring to fig. 2, a safety protection net 4 is bolted to one end of the air outlet 3 away from the muffler shell 1.

The protective net 4 arranged at the port position of the air outlet 3 can play a role in protection, and the inner cavity of the inner layer 6 of the silencer can not enter the outside foreign matters to be blocked.

Referring to fig. 2, the internal corrugated compensator 5 is disposed in the inner cavity of the muffler mounting flange 2 near the muffler cylinder 8.

The gas in the exhaust pipe can directly enter the silencing cylinder 8 through the built-in corrugated compensator 5, so that the effect of the silencing cylinder 8 is maximized, and the silencing effect of the silencer is greatly improved.

Referring to fig. 2-3, a mounting plate 9 is welded at one end of the silencing cylinder 8 close to the air outlet 3, the mounting plate 9 is fixed in the inner cavity of the silencer inner layer 6, a support plate 10 is welded in the inner cavity of the silencing cylinder 8, and a fixing rod 11 is welded on the inner side of the support plate 10.

Referring to fig. 3, the number of the supporting plates 10 is several groups, and several groups of the supporting plates 10 are uniformly arranged on the side surface of the fixing rod 11 in a radial shape.

The supporting plate 10 can play a role in guiding flow, so that the silencer can be used in a high-speed exhaust pipe, and the applicability of the silencer is improved.

Referring to fig. 2, the inner wall of the silencing cylinder 8 is uniformly provided with a plurality of small vent holes, and the diameter of the small vent holes is 3mm-5 mm.

Referring to fig. 2, the built-in corrugated compensator 5 communicates with the sound-deadening cylinder 8.

Referring to fig. 1, the outer surface of the muffler shell 1 is coated with a layer of rust preventive paint, and the distance between the muffler inner layer 6 and the side wall of the sound-deadening cylinder 8 is one fourth of the diameter of the sound-deadening cylinder 8.

The muffler shell 1 is coated with the antirust paint, so that the muffler shell 1 can be placed outdoors for a long time, the service time of the muffler shell 1 is prolonged, and the maintenance cost is indirectly reduced.

The specific implementation process comprises the following steps: the silencer mounting flange 2 on the silencer shell 1 is connected with the exhaust pipe, gas in the exhaust pipe can enter a silencing cylinder 8 through a built-in corrugated compensator 5 in the silencer mounting flange 2, the built-in corrugated compensator 5 can absorb vertical and horizontal thermal displacement of an exhaust pipeline, the silencing cylinder 8 can play a role in silencing through a small round hole formed in the side wall, a vacuum cavity 7 formed between the silencer shell 1 and the silencer inner layer 6 can further improve the silencing effect, a safety protection net 4 arranged at the 3 port of the gas outlet can play a protection role, and the silencer inner layer 6 is guaranteed not to enter an external foreign matter to block in an inner cavity.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A muffler for absorbing vertical and horizontal thermal displacements of a steam exhaust duct, comprising a muffler shell (1), characterized in that: silencer mounting flange (2) are welded to the one end of silencer shell (1), gas outlet (3) are welded to the other end of silencer shell (1), the inner chamber of silencer shell (1) is provided with silencer inlayer (6), the inner chamber of silencer inlayer (6) is equipped with amortization drum (8), the inner chamber welding of silencer mounting flange (2) has built-in ripple compensator (5), be equipped with vacuum cavity (7) between silencer shell (1) and silencer inlayer (6).

2. The muffler of claim 1, wherein the muffler further comprises a plurality of ribs extending from the top of the muffler to the bottom of the muffler, wherein the ribs are configured to engage the ribs: and one end of the air outlet (3) far away from the silencer shell (1) is connected with a safety protection net (4) through a bolt.

3. The muffler of claim 1, wherein the muffler further comprises a plurality of ribs extending from the top of the muffler to the bottom of the muffler, wherein the ribs are configured to engage the ribs: the built-in corrugated compensator (5) is arranged at the position, close to the silencing cylinder (8), of the inner cavity of the silencer mounting flange (2).

4. The muffler of claim 1, wherein the muffler further comprises a plurality of ribs extending from the top of the muffler to the bottom of the muffler, wherein the ribs are configured to engage the ribs: the one end welding that amortization drum (8) are close to gas outlet (3) has mounting panel (9), mounting panel (9) are fixed in the inner chamber of silencer inlayer (6), the inner chamber welding of amortization drum (8) has backup pad (10), the inboard welding of backup pad (10) has dead lever (11).

5. The muffler of claim 4, wherein the muffler further comprises a plurality of ribs extending from the top of the muffler, the ribs being configured to engage the ribs: the number of the supporting plates (10) is a plurality of groups, and the supporting plates (10) are uniformly arranged on the side surface of the fixing rod (11) in a radial shape.

6. The muffler of claim 1, wherein the muffler further comprises a plurality of ribs extending from the top of the muffler to the bottom of the muffler, wherein the ribs are configured to engage the ribs: the inner wall of the silencing cylinder (8) is uniformly provided with a plurality of small vent holes, and the diameter of each small vent hole is 3-5 mm.

7. The muffler of claim 1, wherein the muffler further comprises a plurality of ribs extending from the top of the muffler to the bottom of the muffler, wherein the ribs are configured to engage the ribs: the built-in corrugated compensator (5) is communicated with the silencing cylinder (8).

8. The muffler of claim 1, wherein the muffler further comprises a plurality of ribs extending from the top of the muffler to the bottom of the muffler, wherein the ribs are configured to engage the ribs: the outer surface of the silencer shell (1) is coated with a layer of antirust paint, and the distance between the silencer inner layer (6) and the side wall of the silencing cylinder (8) is one fourth of the diameter of the silencing cylinder (8).