CN216714517U

CN216714517U - Silencer of high-power diesel generator

Info

Publication number: CN216714517U
Application number: CN202220166864.0U
Authority: CN
Inventors: 代强; 方文芳
Original assignee: Chongqing Sikaijun Machinery Manufacturing Co ltd
Current assignee: Chongqing Sikaijun Machinery Manufacturing Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-06-10
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a silencer of a high-power diesel generator, which comprises a plurality of first silencing barrels, wherein two first partition plates are arranged in each first silencing barrel, each first partition plate divides each first silencing barrel into a first silencing cavity, a second silencing cavity and a third silencing cavity in sequence, a first silencing inner barrel is arranged in each second silencing cavity, two second partition plates are arranged in each first silencing inner barrel, each first silencing inner barrel is divided into a fourth silencing cavity, a fifth silencing cavity and a sixth silencing cavity by the two second partition plates, and a second silencing inner barrel is arranged in each fifth silencing cavity; the first silencing cavity of each first silencing barrel is provided with a first air inlet pipe, and the third silencing cavity is provided with an air outlet pipe. Utility model's muffler perfect adaptation is in 20 kw's diesel generator, and the flue gas joins again after each amortization chamber and amortization inner tube divide the reposition of redundant personnel, reaches the air current and weakens step by step to this reaches the purpose of making an uproar of falling, improves the overall arrangement that the air current flows, improves noise cancelling effect.

Description

Silencer of high-power diesel generator

Technical Field

The utility model relates to the technical field of silencers, in particular to a silencer of a high-power diesel generator.

Background

Diesel generators are commonly used in daily life, for example, in residential areas. In the prior art, the silencer of the high-power diesel generator mostly adopts a single-cylinder silencing structure, the length is long, the size is large, and most of the silencers also adopt silencing cotton to absorb noise or adopt a multi-bin structure to reduce the noise generated by the diesel generator step by step. Above, the existing diesel generator silencer still has the defects of unreasonable structure and unsatisfactory noise reduction, and the layout of the silencer still needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a silencer of a high-power diesel generator aiming at the defects of the prior art.

The purpose of the utility model is realized by adopting the following technical scheme:

a silencer of a high-power diesel generator comprises a plurality of first silencing barrels, wherein two first partition plates are arranged in each first silencing barrel, each first partition plate divides each first silencing barrel into a first silencing cavity, a second silencing cavity and a third silencing cavity in sequence, a first silencing inner barrel is arranged in each second silencing cavity, two second partition plates are arranged in each first silencing inner barrel, each second partition plate divides each first silencing inner barrel into a fourth silencing cavity, a fifth silencing cavity and a sixth silencing cavity, and a second silencing inner barrel is arranged in each fifth silencing cavity;

the first silencing cavity is communicated with a fourth silencing cavity, the fourth silencing cavity is communicated with a second silencing cavity, the fifth silencing cavity is communicated with the sixth silencing cavity, the second silencing cavity is communicated with the sixth silencing cavity, and the sixth silencing cavity is communicated with a third silencing cavity; the fourth silencing cavity is communicated with the second silencing inner cylinder, and the second silencing inner cylinder is communicated with the fifth silencing cavity;

the first silencing cavity of each first silencing barrel is provided with a first air inlet pipe, and the third silencing cavity is provided with an air outlet pipe.

In a further technical scheme, the number of the first silencing barrels is two.

The technical scheme is that the silencer further comprises a second silencing barrel, a third partition plate is arranged in the second silencing barrel and divides the second silencing barrel into a plurality of communicated silencing airflow distribution cavities, the two first air inlet pipes are respectively communicated with different silencing airflow distribution cavities, and second air inlet pipes communicated with the exhaust of the generator are further arranged in the airflow distribution cavities.

In a further technical scheme, the number of the third partition plates is two, the second silencing barrel is divided into three silencing airflow distribution cavities which are sequentially arranged, the second air inlet pipe is communicated with one middle silencing airflow distribution cavity, and the two first air inlet pipes are respectively communicated with the other two silencing airflow distribution cavities.

By adopting the technical scheme, the utility model has the beneficial effects that:

the silencer is perfectly matched with a 20kw diesel generator, a plurality of first silencing barrels are arranged, air is simultaneously fed, the first silencing barrels simultaneously perform noise reduction treatment, a plurality of silencing cavities and silencing inner cylinders are arranged in the first silencing barrels, smoke is divided in each silencing cavity and each silencing inner cylinder, and finally, the smoke is converged, so that the aim of reducing noise is fulfilled step by step, the flowing layout of air flow is improved, and the silencing effect of the silencer is better.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic sectional view showing the structure of embodiment 1 of the present invention;

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

in the figure: the silencer comprises a first silencing barrel 100, a second silencing barrel 200, first partition plates (1a, 1b), a first silencing cavity 2, a second silencing cavity 3, a third silencing cavity 4, a first silencing inner barrel 5, second partition plates (6a, 6b), a fourth silencing cavity 7, a fifth silencing cavity 8, a sixth silencing cavity 9, a second silencing inner barrel 10, a first air inlet pipe 11, an air outlet pipe 12, a third partition plate 13, a silencing airflow distribution cavity 14 and a second air inlet pipe 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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.

In embodiment 1, referring to fig. 1, the present invention discloses a silencer for a high power diesel generator, including a plurality of first silencing barrels 100, in this embodiment, two first silencing barrels 100 are selected, two first partition plates (1a, 1b) are arranged in the first silencing barrels 100, the first silencing barrels 100 are sequentially divided into a first silencing cavity 2, a second silencing cavity 3, and a third silencing cavity 4 by the two first partition plates, a first silencing inner cylinder 5 is arranged in the second silencing cavity 3, two second partition plates (6a, 6b) are arranged in the first silencing inner cylinder 5, the first silencing inner cylinder 5 is divided into a fourth silencing cavity 7, a fifth silencing cavity 8, and a sixth silencing cavity 9 by the two second partition plates, and a second silencing inner cylinder 10 is arranged in the fifth silencing cavity 8. The first silencing cavity 2 of each first silencing barrel 100 is provided with a first air inlet pipe 11, and the third silencing cavity 4 is provided with an air outlet pipe 12.

The first silencing cavity 2 is communicated with the fourth silencing cavity 7, and specifically, a plurality of vent holes are formed in the first partition plate 1a so that the first silencing cavity 2 is communicated with the fourth silencing cavity 7.

The fourth silencing cavity 7 is communicated with the second silencing cavity 3, and specifically, the pipe wall of the first silencing inner cylinder 5 is provided with circumferential vent holes so as to enable the fourth silencing cavity 7 to be communicated with the second silencing cavity 3.

The fifth muffling chamber 8 is communicated with the sixth muffling chamber 9, and specifically, the second partition plate 6b is provided with a plurality of vent holes to reach the fifth muffling chamber 8 and the sixth muffling chamber 9.

The second silencing cavity 3 is communicated with the sixth silencing cavity 9, and specifically, a circumferential vent hole is formed in the pipe wall at the other end of the first silencing inner cylinder 5 so that the fourth silencing cavity 7 is communicated with the second silencing cavity 3.

The sixth muffling cavity 9 is communicated with the third muffling cavity 4, and specifically, a plurality of vent holes are formed in the first partition plate 1b so as to communicate the sixth muffling cavity 9 with the third muffling cavity 4.

The fourth silencing cavity 7 is communicated with the second silencing inner cylinder 10, and specifically, the second partition plate 6a is provided with a plurality of vent holes so that the fourth silencing cavity 7 is communicated with the second silencing inner cylinder 10.

The second silencing inner cylinder 10 is communicated with the fifth silencing cavity 8, and specifically, a plurality of circumferential vent holes are formed in the pipe wall of the second silencing inner cylinder 10 so that the second silencing inner cylinder 10 is communicated with the fifth silencing cavity 8.

As shown in figure 1, when in silencing, the exhaust end of the generator is connected with a first air inlet pipe 11, the air flow reaches a first silencing cavity 2 firstly, the air flow of the first silencing cavity 2 enters a fourth silencing cavity 7 of a first silencing inner cylinder 5, a part of the air flow of the fourth silencing cavity 7 is divided to a second silencing cavity 3 outwards, the other part of the air flow enters the second silencing inner cylinder 10, the air flow of the second silencing inner cylinder 10 enters the fifth silencing cavity 8 of the first silencing inner cylinder 5, the air flow of the fifth silencing cavity 8 enters the sixth silencing cavity 9, meanwhile, the airflow in the second silencing cavity 3 also enters the sixth silencing cavity 9 to be converged, finally reaches the third silencing cavity 4 together and then is discharged, the smoke is firstly divided and finally converged, the airflow is gradually weakened, therefore, the purpose of noise reduction is achieved, the flowing layout of the air flow is improved, and the silencing effect of the silencer is better.

Embodiment 2, this embodiment provides a silencer for a high power diesel generator on the basis of embodiment 2, as shown in fig. 2, the silencer further includes a second silencing tube 200, a third partition plate 13 is disposed in the second silencing tube 200, the third partition plate 13 partitions the second silencing tube 200 into a plurality of silencing airflow distribution cavities 14, two first air inlet pipes 11 are respectively communicated with different silencing airflow distribution cavities 14, and the airflow distribution cavities are further provided with second air inlet pipes 15 communicated with exhaust of the generator. In this embodiment, there are two third partition plates 13, and the second silencing pot 200 is divided into three silencing airflow distribution cavities 14 arranged in sequence, the second air inlet pipe 15 is communicated with one middle silencing airflow distribution cavity 14, and the two first air inlet pipes 11 are respectively communicated with the other two silencing airflow distribution cavities 14. During silencing, the exhaust of the generator firstly enters the second silencing barrel 200 to finish primary noise reduction and guide the airflow to the first silencing barrel 100, so that the silencing effect is further improved.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of this invention can be used in any combination with one another as long as no structural conflict exists, and the combination is not exhaustively described in this specification merely for the sake of brevity and resource savings. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a muffler of high-power diesel generator which characterized in that: the novel silencing device comprises a plurality of first silencing barrels (100), wherein two first partition plates (1a, 1b) are arranged in each first silencing barrel (100), each first partition plate sequentially divides the corresponding first silencing barrel (100) into a first silencing cavity (2), a second silencing cavity (3) and a third silencing cavity (4), a first silencing inner cylinder (5) is arranged in each second silencing cavity (3), two second partition plates (6a, 6b) are arranged in each first silencing inner cylinder (5), each first silencing inner cylinder (5) is divided into a fourth silencing cavity (7), a fifth silencing cavity (8) and a sixth silencing cavity (9) by the two second partition plates, and a second silencing inner cylinder (10) is arranged in each fifth silencing cavity (8);

the first silencing cavity (2) is communicated with a fourth silencing cavity (7), the fourth silencing cavity (7) is communicated with a second silencing cavity (3), the fifth silencing cavity (8) is communicated with a sixth silencing cavity (9), the second silencing cavity (3) is communicated with the sixth silencing cavity (9), and the sixth silencing cavity (9) is communicated with a third silencing cavity (4); the fourth silencing cavity (7) is communicated with the second silencing inner cylinder (10), and the second silencing inner cylinder (10) is communicated with the fifth silencing cavity (8);

the first silencing cavity (2) of each first silencing barrel (100) is provided with a first air inlet pipe (11), and the third silencing cavity (4) is provided with an air outlet pipe (12).

2. The silencer for the high-power diesel generator according to claim 1, wherein: the number of the first silencing barrels (100) is two.

3. The silencer for the high-power diesel generator according to claim 2, wherein: the silencer is characterized by further comprising a second silencing barrel (200), wherein a third partition plate (13) is arranged in the second silencing barrel (200), the second silencing barrel (200) is divided into a plurality of communicated silencing airflow distribution cavities (14) by the third partition plate (13), the two first air inlet pipes (11) are respectively communicated with different silencing airflow distribution cavities (14), and the airflow distribution cavities are further provided with second air inlet pipes (15) communicated with exhaust of a generator.

4. The silencer for the high power diesel generator according to claim 3, wherein: the two third partition plates (13) divide the second silencing barrel (200) into three silencing airflow distribution cavities (14) which are sequentially arranged, the second air inlet pipe (15) is communicated with one middle silencing airflow distribution cavity (14), and the two first air inlet pipes (11) are respectively communicated with the other two silencing airflow distribution cavities (14).