CN213299220U

CN213299220U - Boiler blowpipe silencer

Info

Publication number: CN213299220U
Application number: CN202022283490.4U
Authority: CN
Inventors: 柴厚礼; 穆道徐
Original assignee: Lianyungang Huagang Power Equipment Co ltd
Current assignee: Lianyungang Huagang Power Equipment Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-05-28
Anticipated expiration: 2030-10-14

Abstract

A boiler blowpipe silencer comprises a shell, wherein a silencing pipeline is fixedly arranged in the shell and comprises a first silencing section, a bending section and a second silencing section which are sequentially communicated with one another; a first filter screen is obliquely arranged at the communication position of the first silencing section and the bending section through a first buffer spring, and a first sewage discharge pipeline is communicated at the first silencing section of the first filter screen; a second filter screen is obliquely arranged at the communication position of the bending section and the second silencing section through a second buffer spring, and a second sewage discharge pipeline is communicated with the bending section at the second filter screen; a plurality of spherical silencing cavities which are sequentially communicated with one another are arranged in the second silencing section, and sound absorption layers made of sound absorption materials are arranged in the spherical silencing cavities. The silencer is safe and reliable, has long service life, can effectively reduce noise and eliminate noise generated by the blowpipe, can completely bear violent impact of industrial garbage generated by the blowpipe, and does not influence the steam flow of the blowpipe.

Description

Boiler blowpipe silencer

Technical Field

The utility model relates to a technical field, especially a boiler blowpipe silencer of making an uproar falls in the boiler.

Background

At present, before large-scale generating set put into operation, in order to ensure the safe and stable operation of mechanism, must carry out the steam blowpipe and clear away the over heater, for thoroughly clear away the debris in the piping, can carry out the blowpipe repeatedly, because during the blowpipe, can produce very big noise to many times, long time cause noise pollution very easily, produce the influence to resident's normal life on every side.

In order to eliminate the noise hazard of the blowpipe of the generator set, a blowpipe silencer, particularly a boiler blowpipe silencer, is additionally arranged at the tail end of a blowpipe pipeline, and is effective noise reduction equipment for solving the problem of serious noise hazard caused by the blowpipe. However, although the conventional boiler blowpipe silencer can effectively reduce noise of the blowpipe pipeline, foreign matters in the pipe system are driven by high-speed steam flow to violently impact the blowpipe silencer, so that the blowpipe silencer is easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art not enough, provide a boiler blowpipe silencer that reasonable in design, safe and reliable, can carry out the blowpipe pipeline and fall the noise under the striking of various industrial waste in the piping.

The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to a boiler blowpipe muffler, which comprises a shell, wherein a noise elimination pipeline is fixedly arranged in the shell, and the outer side of the noise elimination pipeline is wrapped with a noise elimination layer; the silencing pipeline comprises a first silencing section, a bending section and a second silencing section which are sequentially communicated with one another, the first silencing section and the second silencing section are transversely arranged in an inclined mode, the front end of the first silencing section extends to the outer side of the shell to form an inlet end, and the rear end of the third silencing section extends to the outer side of the shell to form an outlet end; a first filter screen is obliquely arranged at the communication position of the first silencing section and the bending section through a first buffer spring, and a first sewage discharge pipeline is communicated at the first silencing section of the first filter screen; a second filter screen is obliquely arranged at the communication position of the bending section and the second silencing section through a second buffer spring, and a second sewage discharge pipeline is communicated with the bending section at the second filter screen; a plurality of spherical silencing cavities which are sequentially communicated with one another are arranged in the second silencing section, and sound absorption layers made of sound absorption materials are arranged in the spherical silencing cavities.

The technical problem to be solved by the utility model can be further realized by the following technical proposal, for the boiler blowpipe muffler, the inclination angle of the first muffling segment is 15-45 degrees, and the inclination angle of the second muffling segment is 30-60 degrees.

The technical problem to be solved by the utility model can be further realized by the following technical scheme, and for the boiler blowpipe muffler, the inclination angles of the first filter screen and the second filter screen are 45-80 degrees.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above boiler blowpipe silencer, first buffer spring is provided with 4, and 4 first buffer spring fixed connection are in the four corners of first filter screen respectively.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above boiler blowpipe silencer, second buffer spring is provided with 4, and 4 second buffer spring fixed connection are in the four corners of second filter screen respectively.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above boiler blowpipe silencer, the noise elimination layer for adopting the cotton noise elimination layer of making of amortization.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above boiler blowpipe silencer, the entry end level sets up, and the exit end opening upwards sets up.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above boiler blowpipe silencer, this silencer is still including installing the support base in the shell bottom, and the bottom fixed mounting who supports the base has the blotter that adopts elastic material to make.

Compared with the prior art, the utility model discloses a noise elimination pipeline carries out noise reduction to the steam that carries out the blowpipe and eliminates the noise, and when steam moved in noise elimination pipeline, the noise elimination layer outside eliminating the noise can be whole journey to the noise that produces inhale the sound and eliminate the noise; meanwhile, the steam airflow input into the silencing pipeline is sequentially filtered by the first filter screen and the second filter screen, industrial garbage such as impurities and the like contained in the steam airflow are filtered, and the steam airflow is discharged from the first blowdown pipeline and the second blowdown pipeline, so that the impact damage of the industrial garbage to the silencing pipeline is greatly reduced; when the steam airflow moves to the second silencing section, the steam airflow is subjected to pressure reduction and sound absorption through the spherical silencing cavity, and noise reduction and silencing are further performed on the steam, so that the silencing effect is ensured. The silencer is safe and reliable, has long service life, can effectively reduce noise and eliminate noise generated by the blowpipe, can completely bear violent impact of industrial garbage generated by the blowpipe, and does not influence the steam flow of the blowpipe.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are 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, the boiler blowpipe muffler comprises a shell 1, wherein a muffling pipeline is fixedly installed in the shell 1, and muffling layers 5 are wrapped on the outer sides of the muffling pipeline; the muffling pipeline comprises a first muffling section 2, a bending section 3 and a second muffling section 4 which are sequentially communicated with one another, the first muffling section 2 and the second muffling section 4 are transversely arranged in an inclined mode, the front end of the first muffling section 2 extends to the outer side of the shell 1 to form an inlet end, so that steam can be conveniently input in a blowpipe mode, and the rear end of the third muffling section extends to the outer side of the shell 1 to form an outlet end, so that the steam in the blowpipe mode can be conveniently output; a first filter screen 6 is obliquely arranged at the communication position of the first muffling section 2 and the bending section 3 through a first buffer spring 7, and a first sewage discharge pipeline 11 is communicated with the first muffling section 2 at the position of the first filter screen 6; a second filter screen 8 is obliquely arranged at the communication position of the bending section 3 and the second silencing section 4 through a second buffer spring 9, and a second sewage discharge pipeline 12 is communicated with the bending section 3 at the second filter screen 8; a plurality of spherical silencing cavities 10 which are sequentially communicated with one another are arranged in the second silencing section 4, and sound absorption layers made of sound absorption materials are arranged in the spherical silencing cavities 10. The first muffling section 2, the bending section 3 and the second muffling section 4 are respectively used for carrying out primary muffling, intermediate muffling and secondary muffling on the blow pipe steam, so that the noise reduction and muffling effects on the blow pipe are ensured; the first muffling section 2 is obliquely arranged, so that the length of the first muffling section 2 can be prolonged, the muffling effect of the first muffling section 2 is improved, the resistance of industrial garbage in steam airflow can be increased, and the moving speed of the industrial garbage is reduced; the second silencing section 4 is obliquely arranged so as to facilitate the automatic upward and outward discharge of steam; the arrangement of the bending section 3 not only realizes the communication of the first muffling section 2 and the second muffling section 4, but also facilitates the installation of the first filter screen 6 and the second filter screen 8; the first filter screen 6 and the second filter screen 8 are used for filtering the steam airflow twice in sequence to filter the industrial garbage; the arrangement of the first buffer spring 7 and the second buffer spring 9 is respectively used for buffering and protecting the first filter screen 6 and the second filter screen 8 when industrial garbage is impacted; the spherical silencing cavity 10 is used for carrying out pressure reduction, baffling and sound absorption on the steam airflow after the industrial garbage is removed, and further reducing noise and silencing; the sound absorption layer is made of porous sound absorption materials, such as organic fiber materials, hemp cotton felts, inorganic fiber materials or glass wool.

Control valves for controlling the opening and closing of the pipelines are fixedly mounted on the first sewage draining pipeline 11 and the second sewage draining pipeline 12, and centralized sewage draining is facilitated.

In actual operation, for the installation of making things convenient for first buffer spring 7, second buffer spring 9, can separately make first noise elimination section 2, the section of bending 3 and second noise elimination section 4, then after first buffer spring 7, second buffer spring 9 installed, splice into a whole through welded mode with first noise elimination section 2, the section of bending 3 and second noise elimination section 4 again.

The inclination angle of the first muffling segment 2 is 15-45 degrees, and the inclination angle of the second muffling segment 4 is 30-60 degrees. Preferably, the inclination angle of the first muffling segment 2 is 15 degrees, and the inclination angle of the second muffling segment 4 is 30 degrees.

The inclination angles of the first filter screen 6 and the second filter screen 8 are both 45-80 degrees. Preferably, the inclination angles of the first filter screen 6 and the second filter screen 8 are both 60 degrees, so that steam airflow in the silencing pipeline can be better blocked, and industrial garbage mixed in the steam airflow can be filtered.

First buffer spring 7 is provided with 4, and 4 first buffer spring 7 are fixed connection respectively in the four corners of first filter screen 6, and 4 first buffer spring 7 are used for the time with first filter screen 6 and noise elimination pipeline's inner wall fixed connection respectively to can effectively support, cushion first filter screen 6 from all around.

Second buffer spring 9 is provided with 4, and 4 second buffer spring 9 fixed connection are respectively in the four corners of second filter screen 8, and 4 second buffer spring 9 are used for the time of second filter screen 8 and the inner wall fixed connection of noise elimination pipeline respectively to can effectively support, cushion second filter screen 8 from all around.

The noise elimination layer 5 is made of noise elimination cotton. The silencing cotton is a rolled/flaky material which is formed by processing single or multiple different fibers through multiple processes, is convenient to install, reduces noise, keeps warm, even does not need auxiliary materials, can be fixedly installed on a silencing pipeline through simple basic operations such as sticking, drilling, planing, nailing and the like, and has good sound absorption effect.

The inlet end is horizontally arranged, so that the inlet end is conveniently connected with an external vertical pipe pipeline and is convenient to install; the outlet end opening is arranged upwards, so that the steam can be automatically output outwards conveniently.

The silencer also comprises a supporting base 13 arranged at the bottom of the shell 1, and a cushion pad 14 made of elastic materials is fixedly arranged at the bottom of the supporting base 13. The buffer cushion 14 is made of elastic materials in the prior art, has a certain elastic buffering effect, the shell 1 can easily shake to a certain degree under the impact of steam airflow or the noise effect generated by the steam airflow, and the buffer cushion 14 can buffer between the support base 13 and the ground to play a role in protection; preferably, the cushion pad 14 is a rubber pad.

Claims

1. A boiler blowpipe muffler characterized in that: the silencer comprises a shell, wherein a silencing pipeline is fixedly arranged in the shell, and silencing layers are wrapped on the outer sides of the silencing pipeline; the silencing pipeline comprises a first silencing section, a bending section and a second silencing section which are sequentially communicated with one another, the first silencing section and the second silencing section are transversely arranged in an inclined mode, the front end of the first silencing section extends to the outer side of the shell to form an inlet end, and the rear end of the third silencing section extends to the outer side of the shell to form an outlet end; a first filter screen is obliquely arranged at the communication position of the first silencing section and the bending section through a first buffer spring, and a first sewage discharge pipeline is communicated at the first silencing section of the first filter screen; a second filter screen is obliquely arranged at the communication position of the bending section and the second silencing section through a second buffer spring, and a second sewage discharge pipeline is communicated with the bending section at the second filter screen; a plurality of spherical silencing cavities which are sequentially communicated with one another are arranged in the second silencing section, and sound absorption layers made of sound absorption materials are arranged in the spherical silencing cavities.

2. The boiler blowpipe muffler of claim 1, wherein: the inclination angle of the first silencing section is 15-45 degrees, and the inclination angle of the second silencing section is 30-60 degrees.

3. The boiler blowpipe muffler of claim 1, wherein: the inclination angles of the first filter screen and the second filter screen are both 45-80 degrees.

4. A boiler blow tube muffler according to claim 1 or 3, characterized in that: first buffer spring is provided with 4, and 4 first buffer spring fixed connection are respectively in the four corners of first filter screen.

5. A boiler blow tube muffler according to claim 1 or 3, characterized in that: the second buffer spring is provided with 4, and 4 second buffer springs are respectively fixed connection in the four corners of second filter screen.

6. The boiler blowpipe muffler of claim 1, wherein: the noise elimination layer is made of noise elimination cotton.

7. The boiler blowpipe muffler of claim 1, wherein: the inlet end is horizontally arranged, and the opening of the outlet end is upwards arranged.

8. The boiler blowpipe muffler of claim 1, wherein: the silencer also comprises a supporting base arranged at the bottom of the shell, and a cushion pad made of elastic materials is fixedly arranged at the bottom of the supporting base.