A noise elimination device for exhaust system of generator

Abstract

The utility model provides a noise elimination device for an exhaust system of a generator, comprising a mounting box, an inner wall of the mounting box is provided with an adsorption component, the adsorption component comprises a frame plate, a sound absorbing board is provided below the frame plate, an expansion tube is fixedly connected to the right side of the mounting box, a circular sound absorbing ring is provided inside the expansion tube, and a stepped baffle is provided on the outer wall of the circular sound absorbing ring. Compared with the prior art, the utility model has the following beneficial effects: the mounting box and the adsorption component are connected for use, and during operation, internal noise enters the interior of the mounting box, so that the groove formed by the internal adsorption component and the internal sound absorbing board are received to reduce the internal noise, and at the same time, the generated noise is connected through the discharged expansion tube when being discharged, and the stepped baffle formed by the inner wall successively blocks and contacts, and the contacted noise is successively reduced, and at the same time, the circular sound absorbing ring cooperates with the internal sound absorbing ring to absorb and reduce the noise.

Description

Technical Field

[0001] The utility model discloses a noise elimination device for an exhaust system of a generator, belonging to the field of exhaust equipment for generators. Background Art

[0002] A generator is a mechanical device that converts mechanical energy into electrical energy. It is driven by a turbine, steam turbine, diesel engine or other power machinery. After the generator is started, the internal gas is released and discharged through the exhaust pipe.

[0003] In the prior art, when the exhaust pipe of the generator is released, a lot of noise will be generated, which affects the use of others. A noise reduction structure will be separately installed inside the exhaust pipe, which is relatively cumbersome and makes the installation more complicated. At the same time, the internal device will affect the exhaust use of the generator. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a noise elimination device for the exhaust system of a generator to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above object, the utility model is implemented by the following technical solutions: a noise elimination device for an exhaust system of a generator, comprising a mounting box, an inner wall of the mounting box is provided with an adsorption assembly, the adsorption assembly comprises a frame plate, and a sound absorbing plate is provided below the frame plate;

[0006] An expansion tube is fixedly connected to the right side of the installation box, a circular sound-absorbing ring is arranged inside the expansion tube, and a stepped baffle is arranged on the outer wall of the circular sound-absorbing ring.

[0007] Preferably, the adsorption components are evenly arranged at the upper and lower ends of the inner wall of the installation box, and the installation box and the expansion tube are connected by welding.

[0008] Preferably, a concave groove is provided on the upper side of the frame plate, and the frame plate is connected to the sound absorbing plate by bonding.

[0009] Preferably, the inner wall of the installation box is tightly fitted with a mounting mechanism, an inclined plate is fixedly connected to the left side of the installation box, a conveying pipe is fixedly connected to the left side of the inclined plate, a front plate is provided on the front of the installation box, a fixing bolt is movably connected to the front of the front plate, a protruding plate is fixedly connected to the bottom of the installation box, and a top plate is fixedly connected to the top of the installation box.

[0010] Preferably, the installation box and the horizontal center line of the conveying pipe coincide with each other, and the fixing bolt passes through the interior of the front plate and is connected to the installation box.

[0011] Preferably, the protruding plates are evenly distributed around the bottom of the installation box, and the installation box is connected to the top plate by welding.

[0012] Preferably, the mounting mechanism comprises a built-in plate, a front side of the built-in plate is movably connected to a positioning bolt, a side of the built-in plate is fixedly connected to a wrapping plate, and an inner wall of the wrapping plate is provided with a filter bin.

[0013] Preferably, the positioning bolt passes through the interior of the built-in plate and is connected to the installation box, and an integral casting structure is formed between the built-in plate and the wrapping plate.

[0014] Beneficial effects of the utility model:

[0015] Compared with the prior art, the exhaust system noise elimination device of the generator is connected and used through an installation box and an adsorption component. During operation, the internal noise enters the interior of the installation box, and is received by the groove formed by the internal adsorption component and the internal sound-absorbing panel, thereby reducing the internal noise. At the same time, the generated noise is connected through the discharge expansion pipe when discharged, and the stepped baffles on the inner wall form a sequential blocking contact, thereby reducing the contact noise in sequence, and at the same time cooperates with the internal circular sound-absorbing ring to absorb and reduce the noise.

[0016] Compared with the prior art, the exhaust system noise elimination device of the generator is internally connected and fixed through a mounting mechanism. During operation, the mounting box can be opened, the positioning bolt can be rotated to install and fix the built-in plate, and then the filter bin can be clamped and placed inside the wrapping plate for installation and fixation to perform replacement operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0018] Figure 1 It is a front view schematic diagram of a noise elimination device for an exhaust system of a generator according to the utility model;

[0019] Figure 2 It is a schematic diagram of an internal section of a noise elimination device for an exhaust system of a generator according to the utility model;

[0020] Figure 3 It is a schematic diagram of an adsorption component in a noise elimination device for an exhaust system of a generator according to the utility model;

[0021] Figure 4 It is a schematic diagram of the installation mechanism of a noise elimination device for the exhaust system of a generator according to the utility model;

[0022] In the figure: 1. Installation box; 2. Adsorption assembly; 201. Frame plate; 202. Sound-absorbing panel; 3. Expansion tube; 4. Circular sound-absorbing ring; 5. Step baffle; 6. Installation mechanism; 601. Built-in plate; 602. Positioning bolt; 603. Wrapping plate; 604. Filter chamber; 7. Inclined plate; 8. Delivery pipe; 9. Front plate; 10. Fixing bolt; 11. Protruding plate; 12. Top plate. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] Embodiment 1

[0025] As attached Figure 1 , Figure 2 and Figure 3 The exhaust system noise elimination device of a generator shown in the figure comprises a mounting box 1, an inner wall of the mounting box 1 is provided with an adsorption assembly 2, the adsorption assembly 2 comprises a frame plate 201, and a sound absorbing plate 202 is provided below the frame plate 201;

[0026] An expansion tube 3 is fixedly connected to the right side of the installation box 1, a circular sound-absorbing ring 4 is arranged inside the expansion tube 3, and a stepped baffle 5 is arranged on the outer wall of the circular sound-absorbing ring 4. The adsorption components 2 are evenly arranged on the upper and lower ends of the inner wall of the installation box 1. The installation box 1 and the expansion tube 3 are connected by welding. A concave groove is opened on the top of the frame plate 201, and the frame plate 201 and the sound-absorbing plate 202 are connected by bonding.

[0027] Among them: when operating the exhaust system noise elimination device of the generator, the installation box 1 can be placed in position, and then the delivery pipe 8 can be installed and fixed above the generator. During operation, the generator is started, and the generated gas and noise enter the inner wall of the installation box 1 through the delivery pipe 8, so that the adsorption components 2 at the upper and lower ends of the interior cooperate, so that the internal concave groove makes the noise contact with the sound absorbing plate 202, thereby reducing the internal noise generation, and at the same time cooperate with the expansion tube 3 for connection, so that the step baffle 5 will release the noise, and block the contact from large to small, so that the noise is gradually weakened, and then cooperate with the circular sound absorbing ring 4 to absorb part of the noise, thereby reducing the noise generation inside the generator exhaust pipe.

[0028] Embodiment 2

[0029] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working methods. Figures 1 to 4 As shown, see the following description for details:

[0030] As a preferred embodiment, the inner wall of the installation box 1 is tightly fitted with the installation mechanism 6, the left side of the installation box 1 is fixedly connected with an inclined plate 7, the left side of the inclined plate 7 is fixedly connected with a conveying pipe 8, a front plate 9 is arranged on the front of the installation box 1, the front of the front plate 9 is movably connected with a fixing bolt 10, the bottom of the installation box 1 is fixedly connected with a protruding plate 11, the top of the installation box 1 is fixedly connected with a top plate 12, the horizontal center line of the installation box 1 and the conveying pipe 8 coincide, the fixing bolt 10 passes through the inside of the front plate 9 and is connected to the installation box 1, the protruding plates 11 are evenly distributed around the bottom of the installation box 1, and the installation box 1 and the top plate 12 are connected by welding;

[0031] Furthermore, when operating the equipment, the installation box 1 can be placed and fixed in position, and during operation, the external fixing bolt 10 can be rotated to open the front plate 9, and then the internal installation mechanism 6 can be installed and fixed, and the front plate 9 can be closed and fixed again, so that the conveying pipe 8 can be used to install and fix the generator, and it can be connected and transported, and the protruding plate 11 at the bottom can be placed, installed and fixed, and connected and installed.

[0032] As a preferred embodiment, the mounting mechanism 6 includes a built-in plate 601, a positioning bolt 602 is movably connected to the front of the built-in plate 601, a wrapping plate 603 is fixedly connected to one side of the built-in plate 601, a filter bin 604 is provided on the inner wall of the wrapping plate 603, the positioning bolt 602 penetrates the interior of the built-in plate 601 and is connected to the mounting box 1, and the built-in plate 601 and the wrapping plate 603 form an integral casting structure;

[0033] Furthermore, when operating the device, the positioning bolt 602 can be rotated to fix the built-in plate 601 inside, fix the wrapping plate 603 inside, and then the filter compartment 604 can be engaged inside for connection and operation and installation.

[0034] The working principle of the utility model is as follows:

[0035] First, when operating the equipment, the installation box 1 can be placed and fixed in position. During operation, the external fixing bolt 10 can be rotated to open the front plate 9, and then the internal installation mechanism 6 can be installed and fixed. The positioning bolt 602 can be rotated to fix the built-in plate 601 inside, and the wrapping plate 603 can be fixed inside. Then the filter bin 604 is engaged inside for connection, and the front plate 9 is closed and fixed again, so that the conveying pipe 8 can be used to install and fix the generator, and it is connected and transported. The protruding plate 11 at the bottom is placed, installed and fixed, and connected and installed. Then the generator is started for operation and use.

[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A noise elimination device for an exhaust system of a generator, comprising a mounting box (1), characterized in that: An adsorption assembly (2) is provided on the inner wall of the installation box (1), the adsorption assembly (2) comprises a frame plate (201), and a sound absorbing plate (202) is provided below the frame plate (201); An expansion tube (3) is fixedly connected to the right side of the installation box (1), a circular sound-absorbing ring (4) is arranged inside the expansion tube (3), and a stepped baffle (5) is arranged on the outer wall of the circular sound-absorbing ring (4).

2. The noise elimination device for the exhaust system of a generator according to claim 1, characterized in that: The adsorption components (2) are evenly arranged at the upper and lower ends of the inner wall of the installation box (1), and the installation box (1) and the expansion tube (3) are connected by welding.

3. The exhaust system noise elimination device of a generator according to claim 1, characterized in that: A concave groove is provided on the upper side of the frame plate (201), and the frame plate (201) and the sound absorbing plate (202) are connected by bonding.

4. The exhaust system noise elimination device of a generator according to claim 1, characterized in that: The inner wall of the installation box (1) is tightly fitted with a mounting mechanism (6); the left side of the installation box (1) is fixedly connected to an inclined plate (7); the left side of the inclined plate (7) is fixedly connected to a conveying pipe (8); the front of the installation box (1) is provided with a front plate (9); the front of the front plate (9) is movably connected to a fixing bolt (10); the bottom of the installation box (1) is fixedly connected to a protruding plate (11); and the top of the installation box (1) is fixedly connected to a top plate (12).

5. The exhaust system noise elimination device of a generator according to claim 4, characterized in that: The horizontal center lines of the installation box (1) and the conveying pipe (8) coincide with each other, and the fixing bolt (10) passes through the interior of the front plate (9) and is connected to the installation box (1).

6. The exhaust system noise elimination device of a generator according to claim 4, characterized in that: The protruding plates (11) are evenly distributed around the bottom of the installation box (1), and the installation box (1) and the top plate (12) are connected by welding.

7. The exhaust system noise elimination device for a generator according to claim 4, characterized in that: The mounting mechanism (6) comprises a built-in plate (601), the front side of the built-in plate (601) is movably connected to a positioning bolt (602), one side of the built-in plate (601) is fixedly connected to a wrapping plate (603), and the inner wall of the wrapping plate (603) is provided with a filter bin (604).

8. The exhaust system noise elimination device for a generator according to claim 7, characterized in that: The positioning bolt (602) passes through the interior of the built-in plate (601) and is connected to the installation box (1); the built-in plate (601) and the wrapping plate (603) form an integral casting structure.

Images