CN218636880U

CN218636880U - Noise reduction device for dust collector injection

Info

Publication number: CN218636880U
Application number: CN202223302204.XU
Authority: CN
Inventors: 吴彬
Original assignee: Foshan Lvzhichuang Environmental Protection Technology Co ltd
Current assignee: Foshan Lvzhichuang Environmental Protection Technology Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-03-17
Anticipated expiration: 2032-12-07

Abstract

The utility model relates to a technical field of making an uproar falls discloses a device of making an uproar falls for jetting of dust collector, include: dust collector casing, pulse valve and horizontal hush pipe, horizontal hush pipe middle part both sides are equipped with the amortization intake pipe, dust collector casing one side is equipped with the hush box, the amortization intake pipe is located the inside one end of hush box and is equipped with a hush section of thick bamboo, the utility model discloses a hush section of thick bamboo's middle part diameter is big, the structure that both ends diameter is little for the air current is when passing through, through the big container at middle part, subducts air pressure, then the air current cushions the impact of air current when the bellows, then the air current enters into the filter, through the porous foamed ceramic structure in the filter, is little air current with the air current partition, further reduces the impact force of air current, and porous structure is favorable to offsetting of noise simultaneously, discharges through the blast pipe at last, realizes that the multichannel buffering of air current is fallen and make an uproar, guarantees the noise reduction effect.

Description

Noise reduction device for dust collector injection

Technical Field

The utility model relates to a technical field of making an uproar falls specifically is a device of making an uproar falls for dust collector jetting.

Background

The dust collector is a dust removing device with wider application, the main dust removing mode of the dust collector is to control high-pressure gas to be instantly blown from a gas bag to an injection pipe for dust removal through a pulse valve, and the dust collector is used for collecting particle dust, and has small waste gas treatment amount, small resistance and high dust removing efficiency. It is suitable for dedusting in grain, metallurgy, chemical industry, steel, coking, building material and other industries.

The pulse type dust collector drives dust-containing gas to enter a dust chamber in the dust collector by a dust collection fan, air is cleaned after passing through a filter bag and is discharged by the dust collection fan, dust is prevented from being adsorbed on the outer surface of the filter bag, then high-pressure gas is blown into the filter bag under the control of a pulse valve, and the dust is shaken off and enters a collecting hopper. And pulse valve is at the operation in-process, and the gas vent can spout the air current repeatedly, and the noise of production is great, and generally installs a plurality of pulse valves on the dust collector, and its noise has caused serious pollution to workman operational environment and surrounding resident's life.

Through the retrieval, chinese utility model patent that publication number is CN217613690U discloses a device of making an uproar falls for dust collector jetting, including the dust collector box, the roof fixed mounting that the dust collector box is followed gravity direction has pulse valve and cylinder, cylinder parcel pulse valve sets up, pulse valve gas vent intercommunication rubber hose sets up, the fixed main hush pipe that is provided with of dust collector box outer wall, the laminating of main hush pipe inner wall is provided with fine hair amortization bed course and aperture shift frequency pipe, main hush pipe outer wall intercommunication is seted up by outer silk joint, rubber hose end is worn to establish the cylinder and is passed through staple bolt buckle intercommunication and connect outer silk joint, the noise that the exhaust of effective absorption pulse valve produced, the noise decibel number of reduction, the effect of effectively protecting workman's operational environment and peripheral resident's life has been reached.

However, in the technical scheme, the main collecting silencing pipe is used as a main device for reducing noise, and because the number of the pulse valves is large, air in the main collecting silencing pipe collides with each other to generate turbulence, and the pressure of the air flow is still large after the air flow is directly discharged, so that the noise reduction effect of the whole device is not ideal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device of making an uproar falls for dust collector jetting to solve and to provide because the pulse valve is more among the above-mentioned background art, the air in the hush pipe is collected to the owner and collides the production turbulent flow each other, and direct discharge back air pressure is still great, makes the unsatisfactory problem of the noise reduction effect of whole device.

In order to achieve the above object, the utility model provides a following technical scheme: a noise reducing device for dust collector blowing, comprising: the dust collector comprises a dust collector shell, a pulse valve and a transverse silencing pipe, wherein the pulse valve is arranged on one side of the dust collector shell, the bottom end of the pulse valve is connected with the transverse silencing pipe, silencing air inlet pipes are arranged on two sides of the middle of the transverse silencing pipe, a silencing box is arranged on one side of the dust collector shell, a silencing barrel is arranged at one end, located inside the silencing box, of each silencing air inlet pipe, a filter is arranged at one end of an air outlet of the silencing barrel, and an exhaust pipe is arranged at one end of an air outlet of the filter.

Furthermore, a protection plate is arranged on the outer wall of the dust collector shell above the pulse valve.

Furthermore, a sealing door is hinged to one side of the sound attenuation box, and sound insulation cotton is arranged on the inner walls of the sound attenuation box and the sealing door.

Furthermore, the silencing barrel is in a cylindrical shell shape with a large diameter at the middle part and small diameters at the two ends, and the diameters of the two ends of the silencing barrel are the same as the diameter of the silencing air inlet pipe.

Furthermore, the number of the silencing barrels is two, and a corrugated pipe is connected between the two silencing barrels.

Further, the filter is a porous ceramic foam filter.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a dust collector casing that sets up, whistle box and hush cylinder, realized when being used for the device of making an uproar that falls of dust collector jetting to use, pulse valve spun gas carries out preliminary buffering through horizontal hush pipe and inhales the sound after, enter into hush cylinder through the amortization intake pipe, middle part diameter through hush cylinder is big, the structure that both ends diameter is little, make the air current when passing through, big container through the middle part, subdue air current pressure, the effect of giving sound insulation of cooperation whistle box simultaneously, noise abatement, then the air current cushions the impact of air current when the bellows, then the air current gets into in the filter, through the porous foamed ceramic structure in the filter, it is little air current to separate the air current, further reduce the impact force of air current, porous structure is favorable to offsetting of noise simultaneously, discharge through the blast pipe at last, realize that the multichannel buffering of air current is fallen and make an uproar, guarantee the noise reduction effect.

Drawings

Fig. 1 is a schematic perspective view of a noise reduction device for dust collector blowing according to the present invention;

fig. 2 is a perspective view of another view angle of the noise reduction device for dust collector blowing according to the present invention;

fig. 3 is a front view of the noise reduction device for dust collector blowing of the present invention;

fig. 4 is a schematic view of the connection structure of the muffling box of the noise reduction device for blowing of the dust collector of the present invention.

In the figure: 1-dust collector shell; 2-protection plate; 3-a pulse valve; 4-transverse silencing tube; 5-a sound-reducing box; 6-soundproof cotton; 7, a silencing air inlet pipe; 8-a silencing barrel; 9-a filter; 10-an exhaust pipe; 11-bellows.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: a noise reducing device for dust collector blowing, comprising: the dust collector comprises a dust collector shell 1, a pulse valve 3 and a transverse silencing pipe 4, wherein the pulse valve 3 is arranged on one side of the dust collector shell 1, the transverse silencing pipe 4 is connected to the bottom end of the pulse valve 3, silencing air inlet pipes 7 are arranged on two sides of the middle of the transverse silencing pipe 4, a silencing box 5 is arranged on one side of the dust collector shell 1, a silencing barrel 8 is arranged at one end, located inside the silencing box 5, of the silencing air inlet pipe 7, a filter 9 is arranged at one end of an air outlet of the silencing barrel 8, and an exhaust pipe 10 is arranged at one end of an air outlet of the filter 9. The gaseous 4 back of absorbing of preliminary buffering through horizontal hush pipe of pulse valve 3 spun, enter into hush pipe 8 through amortization intake pipe 7, middle part diameter through hush pipe 8 is big, the structure that both ends diameter is little, make the air current when passing through, through the big container at middle part, subdue air current pressure, the syllable-dividing effect of cooperation hush box simultaneously, noise abatement, then the air current cushions the impact of air current when the bellows 11, then the air current enters into filter 9, through the porous foam ceramic structure in the filter 9, be little air current with the air current partition, further reduce the impact force of air current, porous structure is favorable to offsetting of noise simultaneously, discharge through blast pipe 10 at last.

The outer wall of the dust collector shell 1 is positioned above the pulse valve 3 and is provided with a protection plate 2 for protecting the pulse valve 3.

A sealing door is hinged to one side of the sound attenuation box 5, and sound insulation cotton 6 is arranged on the inner walls of the sound attenuation box 5 and the sealing door, so that the sound insulation and noise reduction effects are improved.

The silencing cylinder 8 is a cylindrical shell with a large diameter in the middle and small diameters at two ends, and the diameters of the two ends of the silencing cylinder 8 are the same as that of the silencing air inlet pipe 7, so that smooth pressure reduction effect of airflow passing through is guaranteed.

The two silencing tubes 8 are arranged, the corrugated tube 11 is connected between the two silencing tubes 8, and the corrugated tube 11 is favorable for buffering the impact of airflow.

The filter 9 is a porous ceramic foam filter. The air flow is separated into small air flows through the porous foamed ceramic structure in the filter 9, so that the impact force of the air flow is further reduced, and meanwhile, the porous structure is favorable for offsetting noise.

The working principle is as follows: when the noise reduction device for dust collector blowing is used, gas sprayed by a pulse valve 3 is primarily buffered and absorbed through a transverse silencing pipe 4, enters a silencing barrel 8 through a silencing air inlet pipe 7, the middle diameter of the silencing barrel 8 is large, the diameters of two ends of the structure are small, so that air flow passes through the structure, a large container in the middle is used for reducing the pressure of the air flow, the sound insulation effect of the silencing box is matched, noise is reduced, the impact of the air flow on the air flow is buffered when the air flow passes through a corrugated pipe 11, then the air flow enters a filter 9, the air flow is separated into small air flows through a porous foamed ceramic structure in the filter 9, the impact force of the air flow is further reduced, meanwhile, the porous structure is favorable for offsetting noise, the air flow is finally discharged through an exhaust pipe 10, multi-channel buffering noise reduction of the air flow is realized, and the noise reduction effect is ensured.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Claims

1. A noise reducing device for dust collector blowing, comprising: dust collector casing (1), pulse valve (3) and horizontal hush pipe (4), its characterized in that: the dust collector is characterized in that a pulse valve (3) is arranged on one side of a dust collector shell (1), a transverse silencing pipe (4) is connected to the bottom end of the pulse valve (3), silencing air inlet pipes (7) are arranged on two sides of the middle of the transverse silencing pipe (4), a silencing box (5) is arranged on one side of the dust collector shell (1), a silencing barrel (8) is arranged at one end, located inside the silencing box (5), of the silencing air inlet pipe (7), a filter (9) is arranged at one end of an air outlet of the silencing barrel (8), and an exhaust pipe (10) is arranged at one end of an air outlet of the filter (9).

2. The noise reduction device for dust collector blowing according to claim 1, characterized in that: and a protection plate (2) is arranged on the outer wall of the dust collector shell (1) above the pulse valve (3).

3. The noise reduction device for dust collector blowing according to claim 1, characterized in that: one side of the sound attenuation box (5) is hinged with a sealing door, and sound insulation cotton (6) is arranged on the inner walls of the sound attenuation box (5) and the sealing door.

4. The noise reduction device for dust collector blowing of claim 1, characterized in that: the silencing device is characterized in that the silencing barrel (8) is in a cylindrical shell shape with a large diameter at the middle part and small diameters at the two ends, and the diameters of the two ends of the silencing barrel (8) are the same as the diameter of the silencing air inlet pipe (7).

5. The noise reduction device for dust collector blowing of claim 4, characterized in that: the number of the silencing tubes (8) is two, and a corrugated pipe (11) is connected between the two silencing tubes (8).

6. The noise reduction device for dust collector blowing according to claim 1, characterized in that: the filter (9) is a porous ceramic foam filter.