CN213032151U

CN213032151U - A kind of ventilation duct dust removal device

Info

Publication number: CN213032151U
Application number: CN202021614471.9U
Authority: CN
Inventors: 孙晓义; 曹永苓
Original assignee: Lianying Feed Tianjin Co ltd
Current assignee: Lianying Feed Tianjin Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-04-23
Anticipated expiration: 2030-08-06

Abstract

The utility model relates to a dedusting device for a ventilation duct, which comprises a ventilation duct of a dust collector, an air outlet duct and a dedusting box. The air outlet duct is connected with a water spray deodorizer. In the air area, the dust deceleration area is connected with the ventilation duct of the dust collector, the clean air area is connected with the air outlet duct, the inner diameter of the dust removal box is twice the diameter of the ventilation duct of the dust collector, and the filter area is composed of filter mesh, The filter screen includes a first filter screen, a second filter screen and a bottom filter screen. The bottom filter screen is arranged at the bottom of the box body in the filter area, and the bottom filter screen is provided with a dust box box body. Connected pull-out dust box. The ventilation duct dust removal device of the utility model has a high dust removal rate, and can effectively reduce the dust deposition and the generation of peculiar smell in the water spray deodorizer.

Description

Dust removal device for ventilating duct

Technical Field

The utility model relates to a ventilation dust removal technical field, concretely relates to can effectively reduce water and spray air pipe dust collector of dust content in the odor removing device.

Background

During the feed crushing process, a large amount of dust is generated. Generally, a dust remover is installed in a factory building in a factory, a working section after dust removal is a water spraying deodorizer, and air is purified and then discharged, so that the environment is prevented from being polluted.

Under high temperature and high humidity conditions, the dust removing equipment adopted in the factory is generally a cyclone dust remover. The cyclone dust collector generally needs to extract fine impurities such as dust or material dust in a pulverizer or a conditioner under the action of a fan, so as to play an effective filtering role. But current cyclone's dust removal effect is relatively poor, and the air that contains a large amount of dusts after the dust removal gets into behind the water spray deodorizer through the ventilation duct, can cause a large amount of dust deposits in the water spray thrower, influences the hydrologic cycle effect, and when the in-process that the dust increases gradually, the dust meets water and can ferment rotten, thereby cause the inside great peculiar smell that can produce of spray thrower, and water spray deodorizer itself can't wash again, and then with peculiar smell exhaust polluted air, can not reach environmental protection emission standard.

Disclosure of Invention

In order to reduce the dust content in the water spraying odor remover, the utility model aims to solve the technical problem of providing an air duct dust collector which can effectively improve the dust air purification cleanliness.

The utility model provides a technical scheme that above-mentioned technical problem adopted is: a dust removing device of an air duct comprises the air duct of a dust remover, an air outlet duct and a dust removing box, wherein the air outlet duct is connected with a water spraying deodorizer, the dust removal box is sequentially provided with a dust deceleration area, a filtering area and a wind purifying area, the dust deceleration area is connected with a dust remover ventilating duct, the clean air area is connected with the air outlet pipeline, the inner diameter of the dust removing box body is twice of the diameter of the ventilating pipeline of the dust remover, the filtering area consists of a filter screen and a dust removing ball filled in the filter screen, the filter screen comprises a first filter screen, a second filter screen and a bottom filter screen, the first filter screen is arranged at the air outlet of the dust deceleration area, the second filter screen is arranged at the air inlet of the air purification area, the bottom filter screen sets up in the bottom half of filtering area, bottom filter screen below is equipped with the pull formula dust collection box that is connected with dust removal case box.

Preferably, at least one middle filter screen is arranged between the first filter screen and the second filter screen, different filling areas are sequentially formed between the first filter screen, the middle filter screen and the second filter screen, dust removing balls with different diameters are sequentially filled in the different filling areas, the diameters of the dust removing balls are sequentially decreased progressively according to the sequence of the filling areas, and the dust removing ball with the smallest diameter is filled in the filling area connected with the clean air area.

Further, be equipped with two middle filter screens between first filter screen and the second filter screen, be third filter screen, fourth filter screen respectively, form first filling area between first filter screen and the third filter screen, form second filling area between third filter screen and the fourth filter screen, form third filling area between fourth filter screen and the second filter screen, fill in proper order in first filling area, second filling area, the third filling area and fill the dust removal ball that the diameter is 6cm, 5cm, 3 cm.

Further, the dust removal ball is a hollow plastic ball filled with a dust removal agent.

Preferably, the bottom filter is connected with the first filter and the second filter.

Preferably, the diameter of the dust removing ball is 3-6 cm.

Preferably, a cleaning opening is formed in the top of the box body of the filtering area.

Preferably, the first filling area, the second filling area and the third filling area are all provided with cleaning ports.

Compared with the prior art, the utility model have following advantage and effect:

1. air pipe dust collector, set up to dust remover air pipe's twice through the setting in dust speed reduction district and with the box internal diameter of dust removal case, dust air is via cyclone discharge back, in the dust speed reduction district that air pipe got into the dust removal case, the velocity of motion of dust reduces to original fourth, after the dust removal ball fully adsorbs the dust removal in the filtering area again, the entering water sprays the workshop section, can reduce the deposit of dust in the water spray thrower effectively, the production of peculiar smell, thereby dust and peculiar smell in to the gas are clear away, avoid causing the pollution to the air, and then reach environmental protection emission standard.

2. Air pipe dust collector, through set up first filter screen, at least one middle filter screen and second filter screen in the filtering area, can form different filling areas according to the order between the different filter screens, fill the dust removal ball that the diameter reduces gradually according to the order in proper order in the filling area of difference, this kind utilizes the degressive dust removal ball of diameter to combine the filter screen to filter the mode of removing dust gradually, can realize the multistage purification of dust gas, can effectively increase the dust removal effect of dust removal case, improve the dust removal rate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of a dust removing device for an air duct according to embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of an air duct dust removing device according to embodiment 2 of the present invention.

Description of reference numerals: 1. a dust collector ventilation duct; 2. an air outlet pipeline; 3. a dust deceleration zone; 4. a filtration zone; 5. a clean wind area; 6. a first filter screen; 7. a second filter screen; 8. a bottom filter screen; 9. a pull-out dust collection box; 10. cleaning the opening; 11. a water spray deodorizer; 12. a third filter screen; 13. and a fourth filter screen.

Detailed Description

The present invention will be described in further detail with reference to the following examples, which are illustrative of the present invention and are not intended to limit the present invention.

Example 1:

as shown in fig. 1, a ventilating duct dust removing device comprises a dust remover ventilating duct 1, an air outlet duct 2 and a dust removing box, wherein the air outlet duct 2 is connected with a water spraying deodorizer 11, the dust removing box is sequentially provided with a dust deceleration zone 3, a filtering zone 4 and a clean air zone 5, the dust deceleration zone 3 is connected with the dust remover ventilating duct 1, the clean air zone 5 is connected with the air outlet duct 2, the inner diameter of the dust removing box body is twice of the diameter of the dust remover ventilating duct 1, the filtering zone 4 is composed of a filtering net and dust removing balls filled in the filtering net, the filtering net comprises a first filtering net 6, a second filtering net 7 and a bottom filtering net 8, the first filtering net 6 is arranged at the air outlet of the dust deceleration zone 3, the second filtering net 7 is arranged at the air inlet of the clean air zone 5, the bottom 8 is arranged at the bottom of the filtering net 4, a drawing type dust collection box 9 connected with the dust removal box body is arranged below the bottom filter screen 8.

In the embodiment 1, the dust-removing ventilating duct 1 may be connected with a cyclone dust remover or other types of dust-removing devices. After the mixed gas in the plant is primarily dedusted by the dust deduster, the mixed gas is input into the dust deceleration zone 3 of the dedusting box through the ventilating duct 1 of the deduster, is decelerated, is fully adsorbed and filtered through the filtering zone 4, and finally enters the water spraying section to remove odor and is discharged into the air. Compared with the traditional dust removal and odor removal process that the dust gas is directly input into the water spraying workshop section through the ventilating duct of the dust remover, the dust remover greatly reduces the deposition of the dust in the water spraying odor remover and avoids the generation of harmful gas to the environment caused by the dust deposition.

In this embodiment 1, the dust removing ball may be a hollow plastic ball with a diameter of 3-6cm, and a dust removing agent may be filled in the hollow plastic ball for adsorbing the dust entering the filtering area 4 and harmful substances in the dust air, so that the dust can automatically fall off into the pull-out dust collecting box 9 below after being adsorbed to a certain amount, thereby achieving the effect of removing dust. Preferably, the diameter of the hollow plastic ball is 5 cm.

This embodiment 1 ventilation pipe dust collector, in specific use, in order to fill or change the dust removal ball conveniently, can set up clearance mouth 10 at the box top of filtering area 4 top to be convenient for the maintenance and the clearance in later stage.

Example 2:

as shown in fig. 2, a ventilation pipeline dust collector, the difference with embodiment 1 lies in, be equipped with at least one middle filter screen between first filter screen 6, the second filter screen 7, form different filling areas between first filter screen 6, middle filter screen, the second filter screen 7 in proper order, pack the dust removal ball of different diameters in proper order in the different filling areas, the diameter of dust removal ball is according to the order of filling area and is progressively reduced in proper order, and the dust removal ball that the diameter is minimum is filled in the filling area that is connected with clean wind district, the box top of different filling area tops all is equipped with the clearance mouth.

As a preferred embodiment, as shown in fig. 2, two middle filter screens, namely a third filter screen 12 and a fourth filter screen 13, are arranged between the first filter screen 6 and the second filter screen 7, a first filling area is formed between the first filter screen 6 and the third filter screen 12, a second filling area is formed between the third filter screen 12 and the fourth filter screen 13, a third filling area is formed between the fourth filter screen 13 and the second filter screen 7, and dust removing balls with diameters of 6cm, 5cm and 3cm are sequentially filled in the first filling area, the second filling area and the third filling area. The dust gas is subjected to quarter deceleration through the dust deceleration zone 3, then sequentially enters the first filling zone, the second filling zone and the third filling zone for full multi-stage filtration and purification, and then enters the water spraying deodorizer 11 through the wind purifying zone 5, so that the amount of dust entering the water spraying deodorizer 11 can be reduced to the maximum extent.

Example 3:

as shown in fig. 1 and 2, a dust removing device for a ventilation duct is different from those in embodiments 1 and 2 in that a bottom filter 8 is connected to a first filter 6 and a second filter 7.

In addition, it should be noted that the specific embodiments described in the present specification may differ in the shape of the components, the names of the components, and the like. All equivalent or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a ventilating duct dust collector, includes dust remover air pipe (1), air-out pipeline (2), dust removal case, air-out pipeline (2) are connected with water spraying odor remover (11), its characterized in that, the dust removal case is equipped with dust speed reduction district (3), filtering area (4), clean wind district (5) in proper order, dust speed reduction district (3) is connected with dust remover air pipe (1), clean wind district (5) are connected with air-out pipeline (2), the internal diameter of dust removal case box is the twice of dust remover air pipe (1) diameter, filtering area (4) comprise filter screen and the dust removal ball of packing in the filter screen, the filter screen includes first filter screen (6), second filter screen (7) and bottom filter screen (8), first filter screen (6) set up in the air outlet department of dust speed reduction district (3), second filter screen (7) set up in the air intake department of net wind district (5), bottom filter screen (8) set up in the bottom half of filtering area (4), bottom filter screen (8) below is equipped with pull formula dust collection box (9) that are connected with dust removal case box.

2. The dust removing device for the ventilation pipeline according to claim 1, wherein at least one intermediate filter screen is arranged between the first filter screen (6) and the second filter screen (7), different filling areas are sequentially formed between the first filter screen (6), the intermediate filter screen and the second filter screen (7), dust removing balls with different diameters are sequentially filled in the different filling areas, the diameters of the dust removing balls are sequentially decreased according to the sequence of the filling areas, and the dust removing ball with the smallest diameter is filled in the filling area connected with the clean air area (5).

3. A ventilating duct dust collector according to claim 2, characterized in that two intermediate filter screens are arranged between the first filter screen (6) and the second filter screen (7), respectively being a third filter screen (12) and a fourth filter screen (13), a first filling area is formed between the first filter screen (6) and the third filter screen (12), a second filling area is formed between the third filter screen (12) and the fourth filter screen (13), a third filling area is formed between the fourth filter screen (13) and the second filter screen (7), and dust removing balls with diameters of 6cm, 5cm and 3cm are sequentially filled in the first filling area, the second filling area and the third filling area.

4. A dust removing device for a ventilation duct according to claim 1, 2 or 3, wherein the dust removing ball is a hollow plastic ball filled with a dust removing agent.

5. A dust removing device for ventilation ducts according to claim 1, 2 or 3, characterized in that said bottom filter (8) is connected to said first filter (6) and said second filter (7).

6. A dust removing device for ventilation ducts according to claim 1, characterized in that the diameter of said dust removing balls is 3-6 cm.

7. A dust-collecting device for ventilation ducts according to claim 1, characterized in that the top of the box of the filtering area (4) is provided with a cleaning opening (10).

8. A dedusting device for ventilation ducts according to claim 3, characterized in that the first filling zone, the second filling zone and the third filling zone are provided with cleaning openings (10).