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Sound attenuation method of pulse valves of pulse bag filter

A technology of bag filter and pulse valve, which is applied in the direction of chemical instruments and methods, separation methods, and separation of dispersed particles, can solve the problems of noise pollution, unspecified treatment methods, and unspecified treatment equipment, etc., to achieve noise reduction Difficult, noise-reducing and sound-absorbing effects are excellent

Active Publication Date: 2017-11-21
安徽三星环保工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, during the working process of each pulse valve, there will be a whistling due to the discharge of high-pressure gas from the exhaust port (discharge port), and the noise can reach more than 100 decibels, and its multiple pulse valves work at intervals, forming a serious problem. Noise pollution, neither the treatment equipment nor the treatment method is given in the prior art

Method used

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  • Sound attenuation method of pulse valves of pulse bag filter

Examples

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Effect test

Embodiment 1

[0019] A noise reduction method for the pulse valve of the pulse bag type dust collector. Firstly, the exhaust ports of several pulse valves of the pulse bag type dust collector are connected to the pulse silencer device of the dust collector through the gas pipeline, and the gas is discharged after three-dimensional expansion and resistance noise reduction. , to achieve the purpose of noise reduction.

[0020] The three-dimensional expansion silencer releases the high-pressure gas discharged from the exhaust port of the pulse solenoid valve into a silencer device with a certain capacity to achieve anti-type silencer; and then through the sound elimination of the silencer device itself, it finally realizes noise reduction during discharge and realizes zero emission. noise pollution.

Embodiment 2

[0022] The dust collector pulse silencer device proposed in Embodiment 1 of the present invention includes a silencer container 1 for three-dimensional expansion of noise reduction, and the silencer container 1 is connected with an air intake expansion pipe 2 and at least one device exhaust port; air intake expansion The pipe 2 is connected to the exhaust port of the pulse valve through the intake pipe 3 .

[0023] The structure of the sound-absorbing container is not specifically limited, such as a cube, a cuboid, a sphere, a polyhedron, etc., as long as there is a three-dimensionally expanded cavity inside.

[0024] However, when the exhaust port of the pulse valve is exhausted, it is directly connected with the intake pipe, which will cause insufficient working pressure of the pulse valve and cannot complete dust removal. Therefore, the intake pipe needs to be connected to the intake expansion pipe first, and then the intake expansion pipe Connect the silencer device so as ...

Embodiment 3

[0026] Such as figure 1 As shown, as a limitation to Embodiment 2, the sound-absorbing container 1 includes a sound-insulating outer layer 11 with a sound-insulating function and a sound-absorbing inner layer 12 with a sound-absorbing function.

[0027] The sound-absorbing inner layer 12 includes a guard plate 13 with a mesh structure located in the innermost layer of the sound-absorbing container, and a sound-absorbing cotton 14 located in the guard plate.

[0028] An exhaust pipe 4 with a sound-absorbing structure is connected to the exhaust port of the device.

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Abstract

The invention discloses a sound attenuation method of pulse valves of a pulse bag filter. The method includes that exhaust ports of a plurality of pulse valves of the pulse bag filter are connected into a bag-filter pulse sound attenuation device through gas pipes, gas is exhausted through three-dimensional expansion sound attenuation and resistance type sound attenuation, and the purpose of noise reduction is achieved. Through the sound attenuation device easy to carry with an expansion type sound attenuation or resistance type sound attenuation function, gas discharged from the exhaust ports of the pulse solenoid valves directly originally is brought in, release of high pressure gas of the solenoid valves is unaffected, noise reduction and sound attenuation effect is excellent and reaches 50db, and the problem of noise is solved completely.

Description

technical field [0001] The invention relates to a noise reduction method, in particular to a noise reduction method for a pulse valve of a pulse bag dust collector. Background technique [0002] The pulse bag dust collector has the characteristics of large air volume, small footprint, high purification efficiency, reliable operation, simple structure, and small maintenance, and the dust removal efficiency can reach more than 99%. It is a mature and relatively complete high-efficiency dust removal equipment. [0003] Its working principle is: the dust-laden gas enters the ash hopper under the action of the suction of the induced draft fan, and is evenly distributed to each filter bag after passing through the deflector. The dust is intercepted on the outer surface of the filter bag, and the gas passes through the filter bag. After passing through the clean air chamber, it is discharged outside. The dust collected by the bag filter on the outer surface of the filter bag will...

Claims

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Application Information

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IPC IPC(8): B01D46/42B01D46/02
CPCB01D46/023B01D46/4236
Inventor 吴光明
Owner 安徽三星环保工程有限公司
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