CN216588788U

CN216588788U - Diesel generating set silencing device with tail gas purification function

Info

Publication number: CN216588788U
Application number: CN202220208490.4U
Authority: CN
Inventors: 张勇
Original assignee: Taian Yiwanfu Electric Machinery Co ltd China
Current assignee: Taian Yiwanfu Electric Machinery Co ltd China
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-05-24
Anticipated expiration: 2032-01-26

Abstract

The utility model relates to a generator transformation technical field specifically is a diesel generating set silencing device with tail gas purification function, include: the second casing, the second casing comprises purification section and amortization section two parts, is connected for the plug-in type between purification section and the first casing, and embeds between the two to have the purification subassembly, and amortization section inside is equipped with first reflecting plate, first amortization cotton, second reflecting plate, second amortization cotton and bottom, and the beneficial technological effect of this device is: three expansion chambers are adopted, a composite insertion pipe type structure is adopted, and meanwhile, sound absorption materials are added to reduce noise; the method comprises the following steps of (1) coating a catalyst on a conical cylinder and a cylindrical cylinder which are used as carriers to purify the tail gas of the diesel engine; the utilization will purify subassembly and amortization structure integration in an organic whole, has reduced the volume, and plug-in type simple to operate has purified the change of subassembly, has improved the noise reduction effect of amortization structure simultaneously.

Description

Diesel generating set silencing device with tail gas purification function

Technical Field

The utility model relates to a generator transformation technical field specifically is a diesel generating set silencing device with tail gas purification function.

Background

The diesel generator is a small-sized electric power generating device. The diesel engine is used as an engine to drive the generator to rotate, and the motor converts kinetic energy into electric energy to complete a power generation task. The diesel engine is an internal combustion engine using diesel oil and the like as fuels, fresh air in the engine body is compressed through a reciprocating piston, the air does work, the air temperature is increased along with the fresh air, when the air reaches the ignition point of the diesel oil, the diesel oil is automatically sprayed into the engine for combustion, the generated heat energy does work on the engine, the heat energy of the diesel oil is converted into kinetic energy, and the generator is driven to generate electric energy.

As the name implies, diesel fuel is diesel oil. In addition to a large amount of hot gas generated by the combustion of diesel oil, combustion exhaust gas mainly comprising sulfur dioxide, nitrogen oxides and other acidic gases is generated, and substances such as NOx, CO, PM and the like are generated by incompletely combusted diesel oil, and exhaust gas with high blackness is released.

In the prior art, the diesel generating set has high noise and the discharged tail gas is easy to cause environmental pollution in the using process; simultaneously, the great difficult installation of muffler and tail-gas clean-up ware's volume, tail-gas clean-up ware needs regularly to dismantle and cleans to tail-gas clean-up ability descends.

SUMMERY OF THE UTILITY MODEL

The utility model provides a diesel generating set silencing device with tail gas cleanup function, specific embodiment is as follows:

a diesel generating set silencing device with tail gas purification function includes: first casing, second casing, purification subassembly, first reflecting plate, first amortization are cotton, second reflecting plate, bottom and second amortization are cotton, and the second casing comprises purification section and amortization section two parts, is connected for the plug-in type between purification section and the first casing, and embeds there is the purification subassembly between the two, and amortization section inside is equipped with first reflecting plate, first amortization cotton, second reflecting plate, second amortization cotton and bottom.

Furthermore, the silencing section is divided into three continuous expansion chambers through two baffles, and the adjacent expansion chambers are provided with mutually communicated insertion pipes.

Furthermore, the first reflecting plate is a hollow structure with conical depressions on two sides, and a plurality of first reflecting plates are arranged inside the expansion chambers of the first two sections respectively.

Further, the expansion chamber of third section is arranged in to the second reflecting plate, and it includes swash plate and division board, and the vertical side of swash plate is outside the level and is equipped with the division board, and it has first amortization cotton to fill between amortization section and the division board, and the position department that corresponds between the inboard bipartition baffle of bottom has set firmly the second amortization, and the cotton one end circumference of keeping away from of second amortization of division board has laid arbitrary quantity of inlet port.

The purification component comprises a conical cylinder and a cylindrical cylinder, the surfaces of the conical cylinder and the cylindrical cylinder are coated with catalysts, the conical cylinder and the cylindrical cylinder are of multi-layer sleeve-shaped structures, a multi-layer conical cavity is formed in the inner side of the conical cylinder, a plurality of first trapezoidal grooves are distributed on the peripheral surface of the conical cavity at equal intervals, a multi-layer straight cylinder cavity is formed in the inner side of the conical cylinder, a plurality of second trapezoidal grooves are distributed on the peripheral surface of the straight cylinder cavity at equal intervals, and each conical cavity corresponds to the straight cylinder cavity.

Furthermore, the bottom cover is connected with the tail end of the silencing section in a clamping mode, and one side, close to the first silencing cotton, of the bottom cover is provided with a discharge hole.

Furthermore, the inner side of the first shell is hollow and is composed of a gland end and a conical cavity, and a sealing ring is additionally arranged at the joint of the gland end and the conical cavity.

The utility model has the beneficial technical effects that:

1, the utility model adopts three expansion chambers and a composite insertion pipe type structure, and simultaneously increases sound absorption materials to reduce noise;

2, the purifying component is arranged at the front end, the tapered cylinder and the columnar cylinder are used as carriers, and the catalyst is coated to purify the tail gas of the diesel engine and provide an accelerating effect on the tail gas;

3, the utility model discloses simple structure utilizes and will purify subassembly and amortization structure integration in an organic whole, has reduced the volume, and plug-in type simple to operate has purified the change of subassembly, has improved the noise reduction effect of amortization structure simultaneously.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of a portion of the structure of FIG. 1;

FIG. 3 is a sectional view of the structure of the purifying module of the present invention;

FIG. 4 is a schematic structural view of a purification assembly of the present invention;

fig. 5 is a sectional view of the structure of the purification assembly of the present invention.

Description of reference numerals:

1. a first shell 2, a second shell 3, a purifying component 4, a first reflecting plate 5, a first silencing cotton 6, a second reflecting plate 7, a bottom cover 8, a second silencing cotton,

11. a gland end 12, a sealing ring 13, a conical cavity,

21. a purification section 22, a silencing section,

221. the number of the cannula, 222, the baffle,

31. a cone-shaped cylinder 32 and a column-shaped cylinder,

311. the first trapezoidal groove, 312, the tapered cavity,

321. a second trapezoidal groove 322, a straight cylinder cavity,

41. the noise-reduction cavity is provided with a noise-reduction cavity,

61. a sloping plate 62, a partition plate,

62A and an air inlet hole are formed in the upper cover,

71. a discharge orifice.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:

it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve.

Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Embodiment 1, with reference to fig. 1, a silencer for a diesel generator set with an exhaust gas purifying function includes: second casing 2, first reflecting plate 4, first amortization are cotton 5, second reflecting plate 6, bottom 7 and second amortization are cotton 8, through setting up a plurality of first reflecting plates 4 to further promote the noise cancelling effect, and utilize 6 changes the tail gas circulation passageway of second reflecting plate, further increased the area of contact of tail gas with amortization material.

Referring to fig. 1, the second housing 2 includes a sound-deadening section 22, a first baffle 4, a first sound-deadening cotton 5, a second baffle 6, a second sound-deadening cotton 8, and a bottom cover 7 are disposed inside the sound-deadening section 22, the sound-deadening section 22 is divided into three continuous expansion chambers by two baffles 222, and a cannula 221 that is communicated with each other is disposed between the adjacent expansion chambers.

Referring to fig. 1, the first reflection plate 4 is a hollow structure with two sides being conical depressions, and a plurality of the first reflection plates are respectively arranged inside the expansion chambers of the first two sections, in the structure, the expansion chambers of the first two sections are further divided into a plurality of connected silencing cavities 41 by the first reflection plate 4, so as to increase the silencing times of the tail gas in the expansion chambers of the first two sections.

Combine fig. 3, the expansion chamber inboard of third section is arranged in to second reflecting plate 6, it includes swash plate 61 and division board 62, the vertical side outside level of swash plate 61 is equipped with division board 62, and it has first amortization cotton 5 to fill between amortization section 22 and the division board 62, the position department that corresponds between the inboard bipartition baffle 62 of bottom 7 has set firmly second amortization cotton 8, the cotton 8 one end circumference of keeping away from of second amortization of division board 62 has laid arbitrary a plurality of inlet port 62A, bottom 7 is connected for the snap-on with amortization section 22 end in this structure, discharge hole 71 has been seted up to the cotton 5 one side of being close first amortization on the bottom 7, after tail gas assaults second amortization cotton 8, get into first amortization cotton 5 one side by inlet port 62A, it is outwards discharged from discharge hole 71 to pass first amortization cotton 5 afterwards.

Embodiment 2, with reference to fig. 1, a silencer for a diesel generator set with an exhaust gas purifying function includes: second casing 2 and purification subassembly 3, the front end of second casing 2 is equipped with purification subassembly 3, and when tail gas through the purification subassembly 3 of coating catalyst, tail gas can reach corresponding purifying effect under the catalysis of catalyst.

With reference to fig. 4 and 5, the purifying assembly 3 includes a cone 31 and a column 32, both of which are multi-layer sleeve-shaped structures, a multi-layer cone cavity 312 is formed inside the cone 31, a plurality of first trapezoidal grooves 311 are equidistantly disposed on the circumferential surface of the cone 312, a multi-layer straight cylinder cavity 322 is formed inside the cone 31, a plurality of second trapezoidal grooves 321 are equidistantly disposed on the circumferential surface of the straight cylinder cavity 322, and each cone cavity 312 corresponds to the straight cylinder cavity 322, the multi-layer cone cavity 312 can increase the contact area between the catalyst and the tail gas in the structure, the tail gas generates an accelerating effect in the cone 312, and the tail gas accelerates to impact the column 32, so as to achieve a secondary purifying effect, thereby achieving the purpose of further purifying the harmful gas in the tail gas and improving the environmental protection effect.

Embodiment 3, with reference to fig. 1, a silencer for a diesel generator set with an exhaust gas purifying function includes: first casing 1, second casing 2, purification subassembly 3, first reflecting plate 4, first amortization is cotton 5, second reflecting plate 6, bottom 7 and second amortization is cotton 8, through will purify subassembly 3 and amortization structure integration in an organic whole, has further simplified the installation step of device.

With reference to fig. 3 and 2, the second housing 2 further includes a purifying section 21, the purifying section 21 is connected with the first housing 1 in a plug-in manner, a purifying assembly 3 is disposed between the purifying section 21 and the first housing 1, the first housing 1 is hollow inside and comprises a gland end 11 and a tapered cavity 13, a sealing ring 12 is disposed at the joint of the gland end and the tapered cavity, the gland end 11 is plugged into the front portion of the purifying section 21 in the structure, the sealing ring 12 abuts against the end of the tapered cylinder 31, and when the purifying assembly 3 is fixed, a sealing effect is achieved.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.

Claims

1. A diesel generating set silencing device with tail gas purification function includes: first casing (1), second casing (2), purification subassembly (3), first reflecting plate (4), first amortization is cotton (5), second reflecting plate (6), bottom (7) and second amortization are cotton (8), its characterized in that:

the second casing (2) comprises two parts of a purification section (21) and a silencing section (22), the purification section (21) is connected with the first casing (1) in a plug-in mode, a purification assembly (3) is arranged between the purification section and the first casing, and a first reflecting plate (4), first silencing cotton (5), a second reflecting plate (6), second silencing cotton (8) and a bottom cover (7) are arranged inside the silencing section (22).

2. The silencer for the diesel generator set with the tail gas purifying function according to claim 1, wherein the silencing section (22) is divided into three continuous expansion chambers through two baffles (222), and insertion pipes (221) which are communicated with each other are arranged between the adjacent expansion chambers.

3. The silencer of diesel generator set with tail gas purifying function as claimed in claim 2, wherein the first reflecting plate (4) is a hollow structure with two sides being conical depressions, and a plurality of the first reflecting plates are respectively arranged inside the expansion chambers of the first two sections.

4. The silencing device of diesel generator set with tail gas cleaning function according to claim 3, wherein the second reflection plate (6) is arranged inside the expansion chamber of the third section and comprises a slant plate (61) and a partition plate (62),

the vertical side direction outer level of swash plate (61) is equipped with division board (62), and packs between amortization section (22) and division board (62) and have first amortization cotton (5), and the position department that corresponds between two division boards (62) of bottom (7) inboard has set firmly second amortization cotton (8), keep away from second amortization cotton (8) one end circumference of division board (62) and has laid arbitrary quantity of inlet port (62A).

5. The silencer for the diesel generator set with the tail gas purifying function as claimed in claim 4, wherein the bottom cover (7) is connected with the tail end of the silencing section (22) in a clamping manner, and a discharge hole (71) is formed in one side, close to the first silencing cotton (5), of the bottom cover (7).

6. The silencer for the diesel generator set with the tail gas purifying function according to claim 5 is characterized in that the first shell (1) is hollow inside and is composed of a gland end (11) and a conical cavity (13), and a sealing ring (12) is additionally arranged at the joint of the gland end and the conical cavity.

7. The silencing device of diesel generator set with tail gas purifying function as recited in claim 6, wherein the purifying component (3) comprises a conical cylinder (31) and a cylindrical cylinder (32) both of which are coated with catalyst, and both of which are of multi-layer sleeve-shaped structure.

8. The silencer for the diesel generator set with the tail gas purification function according to claim 7, wherein a plurality of layers of conical cavities (312) are formed inside the conical cylinder (31), a plurality of first trapezoidal grooves (311) are uniformly distributed on the peripheral surface of each conical cavity (312), a plurality of layers of straight cylinder cavities (322) are formed inside the conical cylinder (31), a plurality of second trapezoidal grooves (321) are uniformly distributed on the peripheral surface of each straight cylinder cavity (322), and each conical cavity (312) corresponds to one straight cylinder cavity (322).