CN216111475U

CN216111475U - Exhaust pipe silencer for cement plant

Info

Publication number: CN216111475U
Application number: CN202121485873.8U
Authority: CN
Inventors: 季学勤; 阮学云; 吴启富
Original assignee: Nanjing Kaituo Environmental Protection Technology Co ltd
Current assignee: Nanjing Kaituo Environmental Protection Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-03-22
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses an exhaust pipe silencer for a cement plant, which comprises an exhaust pipe, wherein the top end of the exhaust pipe is fixedly connected with a buckle assembly, one end of the exhaust pipe is provided with a silencer body, a sound insulation plate is fixedly connected inside the silencer body, the buckle assembly comprises an L-shaped clamping plate, the L-shaped clamping plate is fixedly connected with the top end of the exhaust pipe, the top end of the L-shaped clamping plate, close to the edge, is fixedly connected with a limiting block, and one side of the limiting block is rotatably connected with a rotating rod. According to the utility model, the silencer body can be conveniently mounted and dismounted through the arranged clamping block assembly, the silencer which is easy to be dirty in the exhaust duct of a cement plant is taken out and cleaned, and the noise at the outlet of the exhaust duct is reduced by the arranged outer silencing plate and the inner silencing plate, so that the noise can be fully absorbed and the noise reduction treatment can be realized.

Description

Exhaust pipe silencer for cement plant

Technical Field

The utility model relates to the technical field of noise elimination, in particular to an exhaust pipe silencer for a cement plant.

Background

The noise is the sound produced when the sounding body does irregular vibration. Sound is generated by vibration of an object, and propagates in a certain medium in the form of waves. Noise pollution is created when noise adversely affects people and the surrounding environment. Since the industrial revolution, the creation and use of various mechanical devices has brought prosperous and advanced to human beings, but at the same time, more and more noises are generated. The noise can not only damage the hearing, but also induce a plurality of carcinogenic fatal diseases and interfere the life and work of people, and the fan noise can be transmitted to the outdoor through the general shielding facility and then sent to the exhaust pipeline to form a noise origin in the air and spread to the periphery in the normal use process of the exhaust pipeline provided with the fan. The exhaust and smoke exhaust pipeline can generate low-frequency noise during operation, and certain influence is caused on the normal life of people around the exhaust and smoke exhaust pipeline.

The utility model aims to solve the problems that the existing exhaust pipeline of a cement plant can transmit noise and generate low-frequency noise in the normal use process, and the existing noise reduction device has an unobvious noise reduction effect on the noise and has certain influence on the normal life of people around.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an exhaust pipe silencer for a cement plant.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an exhaust pipe silencer for cement plant, includes the exhaust pipe, the top fixedly connected with buckle subassembly of exhaust pipe, the one end of exhaust pipe is provided with the silencer body, the inside fixedly connected with sound insulation board of silencer body.

As a further description of the above technical solution:

the buckle subassembly includes L shape cardboard, the top fixed connection of L shape cardboard and exhaust pipe, the top of L shape cardboard is close to edge fixedly connected with stopper, one side of stopper is rotated and is connected with the bull stick.

As a further description of the above technical solution:

the silencer body includes the ventilating board, one side of ventilating board is close to the outer muffler plate of edge fixedly connected with, one side fixedly connected with interior muffler plate of ventilating board, interior muffler plate and outer muffler plate homonymy and concentric, the outer fixed surface of outer muffler plate is connected with the locating piece, locating piece and bull stick pass through bolted connection.

As a further description of the above technical solution:

the sound insulation board comprises a first sound insulation layer, a second sound insulation layer is fixedly connected to the bottom end of the first sound insulation layer, and a third sound insulation layer is fixedly connected to the bottom end of the second sound insulation layer.

As a further description of the above technical solution:

the first sound insulation layer is a sound insulation felt, the second sound insulation layer is glass cotton, and the third sound insulation layer is glass cotton cloth.

As a further description of the above technical solution:

the ventilation board's surface is seted up the ventilation hole, the surface of interior noise elimination board and outer noise elimination board all is provided with the hole of eliminating noise, the diameter of hole of eliminating noise is 6 mm.

The utility model has the following beneficial effects:

compared with the prior art, this an exhaust pipe silencer for cement plant, the silencer that can be convenient through the fixture block subassembly that sets up takes out the washing with dismantling the silencer body, and the outer noise elimination board and the interior noise elimination board that set up lighten the noise to the exhaust pipe exit simultaneously, just so can be abundant absorb the noise accomplish noise reduction and handle.

Drawings

FIG. 1 is a main structure view of a muffler for an exhaust duct of a cement plant according to the present invention;

FIG. 2 is a view of a muffler body of a muffler for an exhaust pipe of a cement plant according to the present invention;

FIG. 3 is a view of a muffler assembly of an exhaust pipe muffler for a cement plant according to the present invention;

FIG. 4 is a view of a vent plate of a muffler for a discharge duct of a cement plant according to the present invention;

fig. 5 is a schematic view of a muffling hole of a muffler of an exhaust pipe for a cement plant according to the present invention.

Illustration of the drawings:

1. an exhaust duct; 2. a buckle assembly; 3. a muffler body; 21. an L-shaped clamping plate; 22. a limiting block; 23. a rotating rod; 31. a ventilation board; 32. an internal acoustic panel; 33. an outer muffler plate; 34. positioning blocks; 35. a vent hole; 36. a sound-deadening aperture; 41. a first sound-insulating layer; 42. a second sound-insulating layer; 43. and a third sound insulation layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the exhaust duct silencer for the cement plant provided by the utility model comprises an exhaust duct 1, wherein the top end of the exhaust duct 1 is fixedly connected with a buckle assembly 2, one end of the exhaust duct 1 is provided with a silencer body 3, the interior of the silencer body 3 is fixedly connected with a sound insulation plate, and the noise at the outlet of the exhaust duct 1 can be rapidly reduced through the arranged sound insulation plate and the silencer body 3.

Buckle subassembly 2 includes L shape cardboard 21, the top fixed connection of L shape cardboard 21 and exhaust pipe 1, the top of L shape cardboard 21 is close to edge fixedly connected with stopper 22, one side of stopper 22 is rotated and is connected with bull stick 23, buckle subassembly 2 through setting up can easy to assemble with dismantle silencer body 3, can dismantle fast after just so accomplishing to be made dirty by cement plant's dust and get off and clear up.

Silencer body 3 includes ventilating board 31, and one side of ventilating board 31 is close to outer muffler plate 33 of edge fixedly connected with, muffler plate 32 in one side fixedly connected with of ventilating board 31, and interior muffler plate 32 and outer muffler plate 33 homonymy and concentric, and outer muffler plate 33's outer fixed surface is connected with locating piece 34, and locating piece 34 and bull stick 23 pass through bolted connection, can be quick clear up.

The sound insulation board comprises a first sound insulation layer 41, a second sound insulation layer 42 is fixedly connected to the bottom end of the first sound insulation layer 41, a third sound insulation layer 43 is fixedly connected to the bottom end of the second sound insulation layer 42, and the sound attenuation effect of the three sound insulation layers is better.

The first sound insulation layer 41 is a sound insulation felt, the second sound insulation layer 42 is glass cotton, and the third sound insulation layer 43 is glass cotton cloth and can absorb and isolate noise.

Ventilation hole 35 has been seted up to ventilation board 31's surface, and the surface of interior noise elimination board 32 and outer noise elimination board 33 all is provided with noise elimination hole 36, and noise elimination hole 36's diameter is 6mm, and noise elimination hole 36 of setting can conveniently carry out the noise elimination and handle.

The working principle is as follows: when using, go into L shape cardboard 21 below with silencer body 3's outer muffler plate 33 card, rotate bull stick 23 for bull stick 23 overlap joint is in the top of locating piece 34, later use the bolt to fix bull stick 23 and locating piece 34, the interior muffler plate 32 that has the noise elimination hole 36 of setting and outer muffler plate 33 can adsorb isolated noise, simultaneously through the sound insulation felt, glass cotton and the glass cotton cloth in the sound insulation board that sets up, can further adsorb and isolated noise.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an exhaust pipe silencer for cement plant, includes exhaust pipe (1), its characterized in that: the exhaust pipe is characterized in that a buckle assembly (2) is fixedly connected to the top end of the exhaust pipe (1), a silencer body (3) is arranged at one end of the exhaust pipe (1), and an acoustic baffle is fixedly connected to the interior of the silencer body (3).

2. An exhaust duct muffler for a cement plant according to claim 1, wherein: buckle subassembly (2) are including L shape cardboard (21), the top fixed connection of L shape cardboard (21) and exhaust pipe (1), the top of L shape cardboard (21) is close to edge fixedly connected with stopper (22), one side of stopper (22) is rotated and is connected with bull stick (23).

3. An exhaust duct muffler for a cement plant according to claim 2, wherein: silencer body (3) are including ventilating board (31), one side of ventilating board (31) is close to outer muffler plate (33) of edge fixedly connected with, muffler plate (32) in one side fixedly connected with of ventilating board (31), interior muffler plate (32) and outer muffler plate (33) homonymy and concentricity, the outer fixed surface of outer muffler plate (33) is connected with locating piece (34), locating piece (34) and bull stick (23) pass through bolted connection.

4. An exhaust duct muffler for a cement plant according to claim 1, wherein: the sound insulation board comprises a first sound insulation layer (41), a second sound insulation layer (42) is fixedly connected to the bottom end of the first sound insulation layer (41), and a third sound insulation layer (43) is fixedly connected to the bottom end of the second sound insulation layer (42).

5. An exhaust duct muffler for a cement plant according to claim 4, wherein: the sound insulation structure is characterized in that the first sound insulation layer (41) is a sound insulation felt, the second sound insulation layer (42) is glass cotton, and the third sound insulation layer (43) is glass cotton cloth.

6. A draft tube muffler for a cement plant according to claim 3, wherein: the ventilation hole (35) has been seted up to the surface of ventilation board (31), the surface of interior noise elimination board (32) and outer noise elimination board (33) all is provided with noise elimination hole (36), the diameter of noise elimination hole (36) is 6 mm.