CN219072515U

CN219072515U - Waste gas washing treatment device

Info

Publication number: CN219072515U
Application number: CN202320174820.7U
Authority: CN
Inventors: 查日和
Original assignee: Guangzhou El Environmental Engineering Co ltd
Current assignee: Guangzhou El Environmental Engineering Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-05-26
Anticipated expiration: 2033-02-10

Abstract

The utility model belongs to the technical field of waste gas treatment, and particularly relates to a washing waste gas treatment device, wherein a washing layer is arranged in an inner cavity of a washing tower, the washing layer comprises a washing pipe, a filter layer and a partition plate, a spray head is arranged on the lower side of the washing pipe, the spray head is positioned on the upper side of the filter layer, the partition plate is positioned on the lower side of the filter layer, and an air duct is inserted on a body of the partition plate; the water pump is connected with the flushing pipe through a pipeline, a water passing hole is formed in the outer side of the body of the washing tower, the water passing hole is communicated with the bottom of the inner cavity of the washing tower through a pipeline, and the water passing hole is positioned above the outer side of the partition plate; an air inlet is arranged below the outer side of the washing tower; the device has set up the division board between the filter layer, through the blocking of division board, can avoid the dust granule on the upper filter layer to fall to on the lower floor's filter layer, and then can avoid the filter layer to stop up.

Description

Waste gas washing treatment device

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to a device for treating waste gas by washing.

Background

Exhaust gas refers to toxic and harmful gases discharged by human beings in the production and living processes. In particular to chemical plants, steel plants, pharmaceutical plants, coking plants, oil refineries and the like, and the discharged waste gas has large smell, seriously pollutes the environment and affects the health of human bodies. The washing tower is a gas purifying treatment device, can be used for treating harmful components in waste gas, and can lead the waste gas and the waste gas to be harmless and pollution-free to be discharged after the washing of the washing tower.

In the wet type washing tower, filler is arranged as a filter layer, and then circulating water is uniformly sprayed on the surface of the filter layer by using a nozzle, so that a layer of water film is attached to the filter layer, and when waste gas passes through a gap of the filter layer, acidic substances (organic matters) are absorbed by the water film and removed, thereby achieving the aim of purifying air; the existing wet scrubber can adopt two layers and more than two layers of filter layers, the filter layers are sequentially arranged from top to bottom, when waste gas is purified, particle dust in the waste gas can be gathered together, the gathered particle dust is piled up on the filter layer at the lower side under the action of gravity, excessive particle dust exists on the filter layer, the purifying effect of the filter layer is poor, and the filter layer is time-consuming and labor-consuming to replace, so that the purifying efficiency of the wet scrubber is not beneficial to improvement.

Disclosure of Invention

The utility model aims to provide a water-washing waste gas treatment device, which is used for solving the problem that the filtering layer in the existing wet-type washing tower proposed in the background art is easy to accumulate granular dust.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the device for treating waste gas through water washing comprises a washing tower, wherein a washing layer is arranged in an inner cavity of the washing tower, the washing layer comprises a flushing pipe, a filter layer and a partition plate, a spray head is arranged on the lower side of the flushing pipe, the spray head is positioned on the upper side of the filter layer, the partition plate is positioned on the lower side of the filter layer, and an air duct is inserted into a body of the partition plate; the water pump is connected with the flushing pipe through a pipeline, a water passing hole is formed in the outer side of the body of the washing tower, the water passing hole is communicated with the bottom of the inner cavity of the washing tower through a pipeline, and the water passing hole is positioned above the outer side of the partition plate; an air inlet is arranged below the outer side of the washing tower.

Preferably, the air duct comprises a double-way pipe, a single-way pipe is sleeved on the outer side of the upper part of the double-way pipe, and an air vent is formed in the upper side of the body of the double-way pipe.

Preferably, the upper surface of the partition plate is arranged to be low on the left and high on the right, and the water passing hole is positioned on the left side above the partition plate.

Preferably, a filtering device is arranged on the outer side of the washing tower, the water passing hole is communicated with the filtering device, and the filtering device is communicated with the bottom of the inner cavity of the washing tower through a pipeline.

Preferably, the filtering device comprises a fixed shell fixed on the outer side of the washing tower, a detachable pressing plate is arranged on the left side of the fixed shell, a pressing column is arranged on the right side of the pressing plate, and a filter screen is arranged on the right side of the pressing column.

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

1) The separation plates are arranged between the filter layers, dust particles on the filter layers can fall onto the separation plates when falling, and the dust particles on the upper filter layer can be prevented from falling onto the lower filter layer through the blocking of the separation plates, so that the filter layers can be prevented from being blocked;

2) The device sets up the flushing pipe in the top of filter layer, can spray to the filter layer through the flushing pipe, and these moisture after spraying can flow the division board under the action of gravity, and then can wash away the dust granule on the division board to avoid dust granule to pile up on the division board.

Drawings

FIG. 1 is a schematic cross-sectional view of the front view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the airway of the present utility model.

In the figure: 1 washing tower, 2 flushing pipe, 3 filter layer, 4 division board, 5 air duct, 51 two-way pipe, 52 one-way pipe, 53 air vent, 6 filter equipment, 61 tight clamp plate, 62 fixed shell, 63 filter screen, 64 tight press column, 7 water pump.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples:

referring to fig. 1-3, the present utility model provides a technical solution: the washing waste gas treatment device comprises a washing tower 1, wherein washing layers are arranged in an inner cavity of the washing tower 1, the number of the washing layers is at least two, the washing layers are distributed and arranged from top to bottom, each washing layer comprises a washing pipe 2, a filtering layer 3 and a partition plate 4, a bracket is arranged on the inner side of the washing tower 1 and used for supporting the washing pipe 2, a spray head is arranged on the lower side of the washing pipe 2 and positioned on the upper side of the filtering layer 3, the filtering layer 3 is made of PE (polyethylene) materials with large specific surface area and strong corrosion resistance and can spray water to the filtering layer 3 through the spray head, so that the filtering layer 3 is attached with a water film, the partition plate 4 is positioned on the lower side of the filtering layer 3, the water and dust on the filtering layer 3 can fall onto the partition plate 4 when falling, the dust can be prevented from falling onto the filtering layer 3 of the next washing layer through the partition plate 4, an air guide pipe 5 is inserted onto a body of the partition plate 4, and the air guide pipe 5 penetrates through the partition plate 4 and is used for guiding waste gas on the lower layer into the upper layer, so that the circulation of gas is convenient;

the bottom of the inner cavity of the washing tower 1 is provided with a water pump 7, the water pump 7 is connected with a flushing pipe 2 through a pipeline, the bottom of the inner cavity of the washing tower 1 is provided with washing liquid, the washing liquid can be pumped into the flushing pipe 2 through the water pump 7, the outer side of the body of the washing tower 1 is provided with a water passing hole, the water passing hole is communicated with the bottom of the inner cavity of the washing tower 1 through a pipeline, the washing liquid sprayed by a spray head flows out of the water passing hole under the action of gravity and flows into the bottom of the inner cavity of the washing tower 1 again, the water passing hole is positioned above the outer side of the separation plate 4, and dust particles on the separation plate 4 can be washed away when the washing liquid flows on the separation plate 4;

the outside below of scrubbing tower 1 is provided with the air inlet, and the waste gas that needs to wash is led into scrubbing tower 1 from the air inlet, and the outside below of scrubbing tower 1 still sets up the bat mouth of a river, opens the valve on the bat mouth of a river, can discharge the washing liquid in the scrubbing tower 1.

The air duct 5 includes the two-way pipe 51, and the top outside cover of two-way pipe 51 is equipped with the single-way pipe 52, and the upper end of single-way pipe 52 is sealed, through the blockking of single-way pipe 52, can avoid dust and the water droplet on the filter layer 3 to fall into air duct 5, and the air vent 53 has been seted up to the body upside of two-way pipe 51, and the waste gas in the two-way pipe 51 passes through air vent 53 and gets into two-way pipe 51, then discharges from the lower extreme of two-way pipe 51.

The upper surface of the partition plate 4 is arranged to be low left and high right, and the water passing hole is arranged on the left side above the partition plate 4, so that water above the partition plate 4 is prevented from flowing out under the action of gravity.

The outside of the washing tower 1 is provided with a filter device 6, the filter device 6 is used for filtering dust in washing liquid, the water passing hole is communicated with the filter device 6, and the filter device 6 is communicated with the bottom of the inner cavity of the washing tower 1 through a pipeline.

The filter device 6 comprises a fixed shell 62 fixed on the outer side of the washing tower 1, a detachable compression plate 61 is mounted on the left side of the fixed shell 62, the compression plate 61 is connected with the fixed shell 62 through bolts, the compression plate 61 is dismounted, and a filter screen 63 can be taken out, so that the filter screen 63 is conveniently cleaned and replaced, a compression column 64 is arranged on the right side of the compression plate 61, the filter screen 63 is arranged on the right side of the compression column 64, the compression column 64 and the filter screen 63 are integrated, and the compression column 64 is compressed through the compression plate 61, so that the filter screen 63 can be compressed.

Working principle: starting a water pump 7, pumping washing liquid into the flushing pipe 2 by the water pump 7, spraying the washing liquid from a spray head at the lower side of the flushing pipe 2 to the filter layer 3, and attaching a layer of water film on the surface of the filter layer 3 by the sprayed washing liquid; simultaneously, external waste gas is led into the washing tower 1 through the air inlet, and then the waste gas flows upwards through the air duct 5 and enters the filter layer 3; when the waste gas passes through the filter layer 3 attached with the water film, the waste gas can be purified, dust particles in the waste gas are also collected, when the dust particles are larger, the dust particles can fall onto the partition plate 4 under the action of gravity, meanwhile, sprayed washing liquid can flow onto the partition plate 4 under the action of gravity, and finally, the washing liquid washes away the dust particles on the partition plate 4.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a washing treatment waste gas device, includes scrubbing tower (1), its characterized in that: the washing tower is characterized in that a washing layer is arranged in an inner cavity of the washing tower (1) and comprises a washing pipe (2), a filtering layer (3) and a partition plate (4), a spray head is arranged on the lower side of the washing pipe (2), the spray head is positioned on the upper side of the filtering layer (3), the partition plate (4) is positioned on the lower side of the filtering layer (3), and an air duct (5) is inserted on a body of the partition plate (4); the water pump (7) is arranged at the bottom of the inner cavity of the washing tower (1), the water pump (7) is connected with the flushing pipe (2) through a pipeline, a water passing hole is formed in the outer side of the body of the washing tower (1), the water passing hole is communicated with the bottom of the inner cavity of the washing tower (1) through a pipeline, and the water passing hole is positioned above the outer side of the partition plate (4); an air inlet is arranged below the outer side of the washing tower (1).

2. A water-scrubbing exhaust gas treating apparatus as defined in claim 1, wherein: the air duct (5) comprises a double-pass pipe (51), a single-pass pipe (52) is sleeved on the outer side of the upper portion of the double-pass pipe (51), and an air vent (53) is formed in the upper side of the body of the double-pass pipe (51).

3. A water-scrubbing exhaust gas treating apparatus as defined in claim 1, wherein: the upper surface of the partition plate (4) is arranged to be low on the left and high on the right, and the water passing hole is positioned on the left side above the partition plate.

4. A water-scrubbing exhaust gas treating apparatus as defined in claim 1, wherein: the outside of scrubbing tower (1) is provided with filter equipment (6), water hole and filter equipment (6) intercommunication, filter equipment (6) are through pipeline and scrubbing tower (1) inner chamber bottom intercommunication.

5. The water-washing waste gas treatment device according to claim 4, wherein: the filtering device (6) comprises a fixed shell (62) fixed on the outer side of the washing tower (1), a detachable compacting plate (61) is arranged on the left side of the fixed shell (62), a compacting column (64) is arranged on the right side of the compacting plate (61), and a filter screen (63) is arranged on the right side of the compacting column (64).