Multi-layer composite silencer in chemical equipment

Abstract

The utility model provides a multi-layer composite silencer in chemical equipment, which relates to the technical field of multi-layer composite silencing, and comprises a silencer shell, a top connecting pipe arranged at the top of the silencer shell, a top connector arranged at the top of the top connecting pipe, a bottom connecting pipe arranged at the bottom of the silencer shell, and a top connecting pipe arranged at the bottom of the silencer shell. A bottom connecting opening is formed in the bottom of the bottom connecting pipe, a sound absorbing layer is arranged on the inner wall of the silencer shell, and the flow guide plate is arranged in the silencer shell, so that the flow guide plate is used for guiding airflow and improving the silencing effect in the using process, meanwhile, sound passes through a specific path in the silencer through guiding of the flow guide plate, and the sound absorption effect is improved. According to the silencer for the chemical industry, airflow stably flows out of the silencer, generation of airflow noise is reduced, meanwhile, the stable airflow is beneficial to reducing impact on equipment, the overall stability of the chemical equipment is improved, the service life of the chemical equipment is prolonged, and therefore the silencing effect of the silencer for the chemical industry is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-layer composite silencers, in particular to a multi-layer composite silencer in chemical equipment. Background Art

[0002] According to a utility model disclosed in Chinese Patent No. CN210463535U, a cavity impedance composite silencer is disclosed, comprising a shell, an air inlet disposed at one end of the shell interior, an air outlet disposed at an end of the shell interior remote from the air inlet, a plurality of first sound-absorbing panels uniformly disposed within the shell interior, a resistive cavity formed within the shell interior on one side of each of the first sound-absorbing panels, flanges fixedly disposed at both ends of the shell exterior, a first placement slot disposed at the bottom end of the shell interior, a slide fixedly disposed at the bottom end of the first placement slot interior, a rubber support plate movably disposed within the slide, a mounting seat fixedly disposed above the rubber support plate, and a dust filter fixedly disposed at one end of the mounting seat top between the plurality of first sound-absorbing panels. The utility model, by providing a dust filter and an activated carbon filter, can remove dust and odor from air passing through the silencer, thereby improving the air quality of air supplied through an air duct connected to the silencer.

[0003] The above-mentioned reference documents and prior art have the following technical problems:

[0004] 1. Traditional silencers often have problems such as limited silencing effect, complex structure, and high cost.

[0005] Therefore, a new type of multi-layer composite silencer is needed to meet the noise reduction needs of chemical equipment. Utility Model Content

[0006] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a multi-layer composite silencer for chemical equipment.

[0007] In order to achieve the above-mentioned purpose, the present utility model adopts the following technical solution: a multi-layer composite silencer in chemical equipment, comprising a silencer shell, a top connecting pipe is provided at the top of the silencer shell, a top connector is provided at the top of the top connecting pipe, a bottom connecting pipe is provided at the bottom of the silencer shell, a bottom connecting port is provided at the bottom of the bottom connecting pipe, and a sound-absorbing layer is provided on the inner wall of the silencer shell.

[0008] Preferably, the inner wall of the muffler housing is provided with four groups of guide plates, and each group is provided with two guide plates, and the tops and bottoms of the guide plates are rounded.

[0009] Preferably, the bottom of the sound absorbing layer is provided with limiting bolts, and the limiting bolts are arranged in a matrix, and the limiting bolts are connected to the sound absorbing layer in a positioning manner.

[0010] Preferably, a positioning telescopic rod is provided at the bottom of the limiting bolt, and the limiting bolt and the positioning telescopic rod are connected by threads.

[0011] Preferably, a sound insulation layer is provided at the bottom of the positioning telescopic rod, and the sound insulation layer is connected to the positioning telescopic rod by using threads.

[0012] Preferably, a resistant sound-absorbing layer is provided at the bottom of the sound-insulating layer, and one side of the resistant sound-absorbing layer is rounded.

[0013] Preferably, a support rod is provided at the bottom of the resistant sound-absorbing layer, and the support rod is threadedly connected to a limiting bolt at the bottom of the resistant sound-absorbing layer.

[0014] Beneficial effects

[0015] In the utility model, a guide plate is provided inside the muffler shell, so that when in use, the guide plate is used to guide the airflow to improve the silencing effect. At the same time, the sound is guided by the guide plate through a specific path in the muffler, and the airflow flows out of the muffler smoothly, reducing the generation of airflow noise. At the same time, the smooth airflow helps to reduce the impact on the equipment, improve the overall stability and service life of the chemical equipment, and thus greatly increase the silencing effect of the chemical muffler.

[0016] In the utility model, a sound-absorbing layer, a sound-insulating layer and a resistant sound-absorbing layer are provided inside the silencer shell, and the bottom and top of each layer are provided with limit bolts, and the tops of the resistant sound-absorbing layer and the sound-insulating layer are provided with positioning telescopic rods. In this way, different layers can be used to process noises of different frequencies and types during use, which greatly improves the effect and pertinence of sound absorption and achieves more comprehensive noise reduction. At the same time, different layers process noises of different frequencies and types, and the setting of the positioning telescopic rods allows the positions of the resistant sound-absorbing layer and the sound-insulating layer to be fine-tuned according to actual needs to achieve the best sound absorption effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of the utility model;

[0018] Figure 2 This is an internal axonometric drawing of the present invention;

[0019] Figure 3 This is an internal front view of the utility model;

[0020] Figure 4 It is an internal top view of the present utility model.

[0021] Legend:

[0022] 1. Muffler housing; 2. Top connecting pipe; 3. Top connector; 4. Bottom connecting pipe; 5. Bottom connecting port; 6. Guide plate; 7. Sound-absorbing layer; 8. Sound-insulating layer; 9. Resistant sound-absorbing layer; 10. Support rod; 11. Positioning telescopic rod; 12. Limit bolt. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific embodiments and drawings. However, the following embodiments are only preferred embodiments of the present invention and are not exhaustive. Based on the embodiments in the implementation manner, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention.

[0024] The specific embodiments of the present utility model are described below with reference to the accompanying drawings. Specific embodiment one:

[0026] Reference Figure 1-4 A multi-layer composite silencer for chemical equipment includes a silencer housing 1, a top connecting pipe 2 is provided at the top of the silencer housing 1, four sets of guide plates 6 are provided on the inner wall of the silencer housing 1, and each set of guide plates 6 has two guide plates, and the top and bottom of the guide plates 6 are rounded. The top of the top connecting pipe 2 is provided with a top connector 3, the bottom of the silencer housing 1 is provided with a bottom connecting pipe 4, and the bottom of the bottom connecting pipe 4 is provided with a bottom connecting port 5. The bottom of the sound absorbing layer 7 is provided with a limit bolt 12, and the limit bolt 12 is arranged in a matrix. The limit bolt 1 2 is positioned and connected to the sound-absorbing layer 7. A positioning telescopic rod 11 is provided at the bottom of the limiting bolt 12, and the limiting bolt 12 is threadedly connected to the positioning telescopic rod 11. A sound insulation layer 8 is provided at the bottom of the positioning telescopic rod 11, and the sound insulation layer 8 is threadedly connected to the positioning telescopic rod 11. A resistant sound-absorbing layer 9 is provided at the bottom of the sound insulation layer 8, and one side of the resistant sound-absorbing layer 9 is rounded. A support rod 10 is provided at the bottom of the resistant sound-absorbing layer 9, and the support rod 10 is threadedly connected to the limiting bolt 12 at the bottom of the resistant sound-absorbing layer 9. The inner wall of the muffler housing 1 is provided with a sound-absorbing layer 7.

[0027] The user is provided with a guide plate 6 inside the silencer shell 1, so that the guide plate 6 is used to guide the airflow during use to improve the sound-absorbing effect. At the same time, the sound is guided by the guide plate 6 so that the sound passes through a specific path in the silencer, and the airflow flows out of the silencer smoothly, reducing the generation of airflow noise. At the same time, the smooth airflow helps to reduce the impact on the equipment and improve the overall stability and service life of the chemical equipment, thereby greatly increasing the sound-absorbing effect of the chemical silencer. At the same time, a sound-absorbing layer 7, a sound-insulating layer 8, and a resistant sound-absorbing layer 9 are provided inside the silencer shell 1, and each layer is provided with a limiting bolt 12 at the bottom and top, and a positioning telescopic rod 11 is provided at the top of the resistant sound-absorbing layer 9 and the sound-insulating layer 8, so that different layers can be used to process noise of different frequencies and types during use, greatly improving the sound-absorbing effect and pertinence, and achieving more comprehensive noise reduction. At the same time, different layers process noise of different frequencies and types, and the setting of the positioning telescopic rod 11 enables the positions of the resistant sound-absorbing layer 9 and the sound-insulating layer 8 to be fine-tuned according to actual needs to achieve the best sound-absorbing effect. Specific embodiment two:

[0029] Reference Figure 1-4 A decibel detector is installed on one side of the silencer housing 1, so that the noise reduction effect of the silencer can be detected in real time during use, allowing you to understand the working status of the silencer equipment at any time, and accurately evaluate the performance of the silencer under different working conditions. At the same time, when the silencer effect decreases, the decibel detector can be used to quickly determine whether there is a fault so that timely repair and maintenance can be carried out.

[0030] In summary:

[0031] 1. A guide plate 6 is provided inside the muffler housing 1, so that the guide plate 6 is used to guide the airflow during use to improve the silencing effect. At the same time, the sound is guided by the guide plate 6 through a specific path in the muffler, and the airflow flows out of the muffler smoothly, reducing the generation of airflow noise. At the same time, the smooth airflow helps to reduce the impact on the equipment and improve the overall stability and service life of the chemical equipment. Therefore, the silencing effect of the chemical muffler is greatly increased.

[0032] 2. A sound-absorbing layer 7, a sound-insulating layer 8, and a resistant sound-absorbing layer 9 are provided inside the silencer shell 1, and a limit bolt 12 is provided at the bottom and top of each layer. A positioning telescopic rod 11 is provided on the top of the resistant sound-absorbing layer 9 and the sound-insulating layer 8, so that different layers can be used to process noises of different frequencies and types during use, which greatly improves the effect and pertinence of the sound insulation and achieves more comprehensive noise reduction. At the same time, different layers process noises of different frequencies and types. At the same time, the setting of the positioning telescopic rod 11 allows the positions of the resistant sound-absorbing layer 9 and the sound-insulating layer 8 to be fine-tuned according to actual needs to achieve the best sound-absorbing effect.

[0033] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0034] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-layer composite silencer for chemical equipment, comprising a silencer housing (1), characterized in that: The top of the muffler housing (1) is provided with a top connecting pipe (2), the top of the top connecting pipe (2) is provided with a top connector (3), the bottom of the muffler housing (1) is provided with a bottom connecting pipe (4), the bottom of the bottom connecting pipe (4) is provided with a bottom connecting port (5), the inner wall of the muffler housing (1) is provided with a sound absorbing layer (7), the bottom of the sound absorbing layer (7) is provided with a limiting bolt (12), the bottom of the limiting bolt (12) is provided with a positioning telescopic rod (11), the bottom of the positioning telescopic rod (11) is provided with a sound insulation layer (8), the bottom of the sound insulation layer (8) is provided with a resistant sound absorbing layer (9), and the bottom of the resistant sound absorbing layer (9) is provided with a support rod (10).

2. The multi-layer composite silencer for chemical equipment according to claim 1, characterized in that: The inner wall of the muffler housing (1) is provided with four groups of guide plates (6), and each group of guide plates (6) is provided with two, and the tops and bottoms of the guide plates (6) are both rounded.

3. The multi-layer composite silencer for chemical equipment according to claim 1, characterized in that: The limiting bolts (12) are arranged in a matrix, and the limiting bolts (12) and the sound absorbing layer (7) are connected in a positioning manner.

4. The multi-layer composite silencer for chemical equipment according to claim 1, characterized in that: The limiting bolt (12) is connected to the positioning telescopic rod (11) by threaded connection.

5. The multi-layer composite silencer for chemical equipment according to claim 1, characterized in that: The sound insulation layer (8) is connected to the positioning telescopic rod (11) by means of threads.

6. The multi-layer composite silencer for chemical equipment according to claim 1, characterized in that: One side of the resistant sound-absorbing layer (9) is rounded.

7. The multi-layer composite silencer for chemical equipment according to claim 1, characterized in that: The support rod (10) is threadedly connected to the limiting bolt (12) at the bottom of the resistant sound-absorbing layer (9).

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