CN211175873U

CN211175873U - Silencer for pipeline

Info

Publication number: CN211175873U
Application number: CN201921483333.9U
Authority: CN
Inventors: 周占盈; 孙建辉
Original assignee: Qidong Kelan Mechanical And Electrical Equipment Co Ltd
Current assignee: Qidong Kelan Mechanical And Electrical Equipment Co Ltd
Priority date: 2019-09-07
Filing date: 2019-09-07
Publication date: 2020-08-04
Anticipated expiration: 2029-09-07

Abstract

The utility model discloses a silencer for pipeline, including air inlet, flange pad and second protective housing, the outer wall of air inlet is fixed with first flange, and the right side of first flange settles and have the second flange, the flange pad is located between first flange and the second flange, and the bolt is worn to be equipped with at first flange and second flange's middle part, the tip of bolt links up the nut, the left side outer wall welding of dust removal pipeline has the second flange, and the inside left side of dust removal pipeline installs the filter screen, the second protective housing is located the outer wall left side of first protective housing, and the top right side welding of first protective housing has the bolt, the top left side of second protective housing is provided with the slot. This silencer for pipeline is fixed with first protective housing at the cotton outer wall of amortization, can protect whole silencer, can not lead to the outside harm of silencer because of external factor, great enhancement the noise elimination.

Description

Silencer for pipeline

Technical Field

The utility model relates to a silencer device technical field specifically is a silencer for pipeline.

Background

The silencer is used for the airflow pipeline with noise transmission, and can attenuate or reflect the noise in the pipeline by using noise reduction devices such as pipelines and elbows with sound absorption linings or pipelines with suddenly changed sectional areas and other discontinuous acoustic impedances.

The silencer in the market is complex in structure, heavy in weight, high-temperature oxidation sound absorption filler, high-speed airflow impact sound absorption filler, water vapor permeation sound absorption filler and the like, so that the silencer is prone to problems of frequent maintenance, poor silencing effect, short service cycle and the like, and therefore the silencer with the higher silencing effect is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a silencer for pipeline to solve the complicated, heavy, high temperature oxidation sound absorption filler of silencer structure that proposes in the above-mentioned background art, the high velocity air impact sound absorption filler, aqueous vapor infiltration sound absorption filler, the silencer appears the maintenance very easily frequently, the noise elimination effect is poor, problem that life cycle is short.

In order to achieve the above object, the utility model provides a following technical scheme: a silencer for a pipeline comprises an air inlet, a flange pad and a second protective shell, wherein a first connecting flange is fixed on the outer wall of the air inlet, a second connecting flange is arranged on the right side of the first connecting flange, the flange pad is positioned between the first connecting flange and the second connecting flange, bolts penetrate through the middle parts of the first connecting flange and the second connecting flange, nuts are connected to the end parts of the bolts, the second connecting flange is connected with the outer wall of the left side of a dust removal pipeline in a welding mode, a filter screen is installed on the left side of the interior of the dust removal pipeline, silencing cotton is arranged at the left end and the right end of the outer wall of the filter screen, a first protective shell is bonded to the outer wall of the silencing cotton, a silencing core is welded to the middle end of the silencing cotton, a sound absorption hole is formed in the middle end of the silencing core, an air outlet pipeline is arranged on the right side of the silencing core, the outer wall of gas outlet settles there is the screw thread flange, and is provided with the fin all around the outer wall of gas outlet, the second protective housing is located the outer wall left side of first protective housing, and the welding of the top right side of first protective housing has the bolt, the top left side of second protective housing is provided with the slot.

Preferably, the end part of the air inlet is communicated with the dust removal pipeline, and the first connecting flange and the second connecting flange are tightly attached to the flange pad.

Preferably, the middle parts of the first connecting flange, the second connecting flange and the flange pad are of hollow structures, and the first connecting flange, the second connecting flange and the flange pad form a movable structure through bolts and nuts.

Preferably, the inner wall of first protecting crust is arc column structure, and the amortization is cotton closely to be laminated in the outer wall of first protecting crust to first protecting crust is the symmetric distribution with the amortization cotton about dust removal pipeline center.

Preferably, the sound absorbing holes are designed in three numbers, and the sound absorbing holes sequentially form a triangular shape from top to bottom.

Preferably, the middle part of the air outlet is of a hollow structure, the outer wall of the air outlet is of a cylindrical shape, and the radiating fins are uniformly distributed on the outer wall of the air outlet.

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

1. this silencer for pipeline bonds at the outer wall of air inlet and dust removal pipeline has first flange, second flange and flange to fill up, can make when the installation closely laminate more between air inlet and the silencer, can not produce the gap, and application bolt and nut are fixed between first flange, second flange and the flange pad, can make things convenient for air inlet and silencer installation and demolish to it is more firm after fixed.

2. The first protective shell is fixed on the outer wall of the silencing cotton of the pipeline silencer, so that the whole silencer can be protected, the external damage of the silencer caused by external factors can be avoided, and the silencing effect can be enhanced;

3. the sound absorbing holes are arranged in the middle of the silencing core at equal intervals, silencing of gas is enhanced when the gas enters the silencer, and when the gas is silenced through the inside of the silencer, heat generated by the gas can damage the silencer to a certain extent, so that the radiating fins are arranged on the outer wall of the gas outlet to radiate the silencer, and the service life of the silencer is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a front view of the heat sink of the present invention.

In the figure: 1. an air inlet; 2. a first connecting flange; 3. a second connecting flange; 4. a bolt; 5. a nut; 6. a flange pad; 7. a filter screen; 8. a dust removal pipeline; 9. silencing cotton; 10. a first protective case; 11. A sound deadening core; 12. a sound absorption hole; 13. an air outlet pipe; 14. an air outlet; 15. a second protective shell; 16. A bolt; 17. a slot; 18. a threaded flange; 19. and a heat sink.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a silencer for a pipeline comprises an air inlet 1, a first connecting flange 2, a second connecting flange 3, bolts 4, nuts 5, a flange pad 6, a filter screen 7, a dust removal pipeline 8, silencing cotton 9, a first protective shell 10, a silencing core 11, a sound absorption hole 12, an air outlet pipeline 13, an air outlet 14, a second protective shell 15, bolts 16, slots 17, threaded flanges 18 and radiating fins 19, wherein the first connecting flange 2 is fixed on the outer wall of the air inlet 1, the second connecting flange 3 is arranged on the right side of the first connecting flange 2, the flange pad 6 is positioned between the first connecting flange 2 and the second connecting flange 3, the bolts 4 penetrate through the middle parts of the first connecting flange 2 and the second connecting flange 3, the end parts of the bolts 4 are connected with the nuts 5, the second connecting flange 3 is welded with the outer wall on the left side of the dust removal pipeline 8, the filter screen 7 is arranged on the left side of the inside of the dust removal pipeline 8, silencing cotton 9 is arranged at the left end and the right end of the outer wall of the filter screen 7, a first protective shell 10 is bonded on the outer wall of the silencing cotton 9, a silencing core 11 is welded at the middle end of the silencing cotton 9, a sound absorption hole 12 is formed in the middle end of the silencing core 11, an air outlet pipeline 13 is arranged on the right side of the silencing core 11, an air outlet 14 is connected to the outer wall of the air outlet pipeline 13, a threaded flange 18 is arranged on the outer wall of the air outlet 14, radiating fins 19 are arranged on the periphery of the outer wall of the air outlet 14, a second protective shell 15 is located on the left side of the outer wall of the first protective shell 10, a bolt 16 is welded on the right side of the top end of the;

the end part of the air inlet 1 is communicated with the dust removal pipeline 8, the first connecting flange 2 and the second connecting flange 3 are tightly attached to the flange pad 6, and the first connecting flange 2, the second connecting flange 3 and the flange pad 6 are bonded to the outer walls of the air inlet 1 and the dust removal pipeline 8, so that the air inlet 1 and the silencer can be more tightly attached to each other during installation, and no gap is generated;

the middle parts of the first connecting flange 2, the second connecting flange 3 and the flange pad 6 are of hollow structures, the first connecting flange 2, the second connecting flange 3 and the flange pad 6 are fixedly connected through the bolts 4 and the nuts 5, the first connecting flange 2, the second connecting flange 3 and the flange pad 6 are fixed through the bolts 4 and the nuts 5, the air inlet 1 and the silencer can be conveniently installed and detached, and the fixing is firmer;

the inner wall of the first protective shell 10 is of an arc-shaped structure, the silencing cotton 9 is tightly attached to the outer wall of the first protective shell 10, the first protective shell 10 and the silencing cotton 9 are symmetrically distributed in relation to the center of the dust removal pipeline 8, the first protective shell 10 is fixed on the outer wall of the silencing cotton 9, the whole silencer can be protected, external damage of the silencer due to external factors can be avoided, and the silencing effect can be enhanced;

the sound absorption holes 12 are designed in three numbers, the sound absorption holes 12 sequentially form a triangular shape from top to bottom, the sound absorption holes 12 are arranged in the middle of the silencing core 11 at equal intervals, and the silencing of gas is enhanced when the gas enters the silencer;

the middle part of the air outlet 14 is of a hollow structure, the outer wall of the air outlet 14 is of a cylindrical shape, and the radiating fins 19 are uniformly distributed on the outer wall of the air outlet 14, so that when the air passes through the interior of the silencer for silencing, heat generated by the air can damage the silencer to a certain extent, and the radiating fins 19 are arranged on the outer wall of the air outlet 14 to radiate the silencer, so that the service life of the silencer is prolonged.

The working principle is as follows: for the silencer for the pipeline, firstly, gas enters a dust removal pipeline 8 through a gas inlet 1, a first connecting flange 2, a second connecting flange 3 and a flange pad 6 are bonded on the outer walls of the gas inlet 1 and the dust removal pipeline 8, the gas inlet 1 and the dust removal pipeline 8 are fixed by using bolts 4 and nuts 5, dust and impurities in the gas can be filtered by a filter screen 7 on the left side of the dust removal pipeline 8 when the gas enters the dust removal pipeline 8, the pollution damage of the dust to the inside of the silencer is reduced, a silencing core 11 is arranged on the right side of the dust removal pipeline 8, sound absorption holes 12 are arranged in the middle of the silencing core 11 at equal intervals in a penetrating mode, when the gas passes through the sound absorption holes 12, noise can be reduced, the sound absorption holes 12 are arranged on the outer wall of the silencer, the sound absorption holes 12 are mutually bonded with the inner walls of a first protective shell 10 and a second protective shell 15, and the silencing, and can protect the shell of muffler, use bolt 16 and slot 17 to dismantle it simultaneously in the middle part of first protective housing 10 and second protective housing 15, make things convenient for the maintenance in later stage, can pass through gas outlet 14 after the sound absorption hole 12 is muffled when gas, and the end connection of gas outlet 14 has threaded flange 18, be provided with fin 19 around the outer wall of gas outlet 14, can carry out the heat dissipation treatment to whole muffler, make the effect of whole muffling obtain fine improvement, just so accomplish the use of whole for the pipeline muffler.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a silencer for pipeline, includes air inlet (1), flange pad (6) and second protective housing (15), its characterized in that: the outer wall of the air inlet (1) is fixed with a first connecting flange (2), the right side of the first connecting flange (2) is provided with a second connecting flange (3), the flange pad (6) is positioned between the first connecting flange (2) and the second connecting flange (3), the middle parts of the first connecting flange (2) and the second connecting flange (3) are penetrated with bolts (4), the end parts of the bolts (4) are connected with nuts (5), the second connecting flange (3) is welded with the outer wall of the left side of the dust removal pipeline (8), the left side of the interior of the dust removal pipeline (8) is provided with a filter screen (7), the left end and the right end of the outer wall of the filter screen (7) are provided with silencing cotton (9), the outer wall of the silencing cotton (9) is bonded with a first protective shell (10), the middle end of the silencing cotton (9) is welded with a silencing core (11), and the middle end of the silencing core (11) is provided with a sound absorption hole (12), the right side of amortization core (11) is settled there is air outlet pipe way (13), and the outer wall of air outlet pipe way (13) links up gas outlet (14), the outer wall of gas outlet (14) is settled there is threaded flange (18), and is provided with fin (19) all around the outer wall of gas outlet (14), second protective housing (15) are located the outer wall left side of first protective housing (10), and the welding of the top right side of first protective housing (10) has bolt (16), the top left side of second protective housing (15) is provided with slot (17).

2. The muffler for pipes of claim 1, wherein: the end part of the air inlet (1) is communicated with the dust removal pipeline (8), and the first connecting flange (2) and the second connecting flange (3) are tightly attached to the flange pad (6).

3. The muffler for pipes of claim 1, wherein: the middle parts of the first connecting flange (2), the second connecting flange (3) and the flange pad (6) are of hollow structures, and the first connecting flange, the second connecting flange and the flange pad are fixedly connected with each other through bolts (4) and nuts (5).

4. The muffler for pipes of claim 1, wherein: the inner wall of first protecting crust (10) is arc column structure, and amortization cotton (9) closely laminate in the outer wall of first protecting crust (10) to first protecting crust (10) and amortization cotton (9) are the symmetric distribution about dust removal pipeline (8) center.

5. The muffler for pipes of claim 1, wherein: the sound absorbing holes (12) are designed in three numbers, and the sound absorbing holes (12) are sequentially formed in a triangular shape from top to bottom.

6. The muffler for pipes of claim 1, wherein: the middle part of the air outlet (14) is of a hollow structure, the outer wall of the air outlet (14) is of a cylindrical shape, and the radiating fins (19) are uniformly distributed on the outer wall of the air outlet (14).