CN218794849U - Efficient wet dust collector - Google Patents

Abstract

The utility model discloses an efficient wet dust collector, which comprises a water curtain shunting chamber, a water bath dust removal chamber, a dust-containing flue gas inlet and a purified flue gas outlet, wherein a plurality of groups of atomizing and washing devices are arranged between the water curtain shunting chamber and the water bath dust removal chamber, and a folded plate demisting device and a silk screen demisting device are sequentially arranged between the water bath dust removal chamber and the purified flue gas outlet; a drainage cone hopper is arranged below the water bath dust removing chamber and the folded plate demisting device. The efficient wet dust collector adopts an ultralow-emission fine dust removal process of a completely pure wet method, ultralow emission of the dust-containing flue gas treatment system is realized, and the emission concentration is lower than 10mg/m for harvesting; a unique flue gas shunting and dust mist trapping mode is adopted, so that a certain elimination effect on white smoke plume removal is achieved, a certain amount of sulfur dioxide, nitrogen compounds and the like can be dissolved, and the emission of acid gas is reduced; the circulating water supply is realized through the circulating water purification system, the water consumption is low, and the energy conservation and the environmental protection are realized.

Description

Efficient wet dust collector

Technical Field

The utility model relates to a wet dedusting equipment technical field specifically is an efficient wet dust collector.

Background

The steel slag is solid waste generated in the steel making process, the steel slag often generates a large amount of dust-containing smoke in the heat treatment process, and in order to protect the environment and improve the working conditions of workers, the dust must be treated, so that the quality of the purified smoke meets the discharge standard specified by the state. The requirement that the dust removal of the steel slag treatment system reaches ultra-low emission is more and more urgent, however, most of the existing steel slag treatment systems are not provided with smoke treatment systems, and a few of the existing steel slag treatment systems are provided with smoke treatment systems, so that the structure is relatively simple, and the emission effect can not reach the ultra-low emission standard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an efficient wet dust collector to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an efficient wet dust collector comprises a water curtain flow dividing chamber, a water bath dust removing chamber, a dust-containing smoke inlet and a purified smoke outlet, wherein one end of the water curtain flow dividing chamber is communicated with the dust-containing smoke inlet; a plurality of groups of atomization washing devices are arranged between the water curtain flow distribution chamber and the water bath dust removal chamber, and atomization nozzles are arranged on the atomization washing devices; a plurality of groups of water bath dust removal chambers are arranged in a layered manner from top to bottom, and a folded plate demisting device and a silk screen demisting device are sequentially arranged between the water bath dust removal chambers and the purified flue gas outlet; a drainage cone hopper is arranged below the water bath dust chamber and the folded plate demisting device; the device is characterized by further comprising a circulating purification water tank, a drain pipe is communicated between the drain cone hopper and the circulating purification water tank, a water supply pipe is communicated between the circulating purification water tank and the atomization washing device, and a water pump is mounted on the water supply pipe.

As a further aspect of the present invention: the atomizing nozzle adopts a vortex nozzle or a spiral nozzle.

As a further aspect of the present invention: the water bath dust removal chamber comprises a flow dispersing pipe assembly and a water basin, and the flow dispersing pipe assembly vertically extends into the water basin.

As a further aspect of the present invention: the flow dispersing pipe assembly is a Venturi tube and comprises a contraction section and an expansion section, wherein the contraction section is provided with small exhaust holes, and the small exhaust holes are immersed in the basin.

As a further aspect of the present invention: and a blow-off pipe and a water replenishing pipe are also arranged in the circulating purification water tank.

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

the efficient wet dust collector adopts an ultralow-emission fine dust removal process of a completely pure wet method, ultralow emission of the dust-containing flue gas treatment system is realized, and the emission concentration is lower than 10mg/m for high speed cultivation; a unique flue gas shunting and dust mist trapping mode is adopted, so that a certain eliminating effect on white smoke plume removal is achieved, a certain amount of sulfur dioxide, nitrogen compounds and the like can be dissolved, and the emission of acid gas is reduced; the circulating water supply is realized through the circulating water purification system, the water consumption is low, and the energy conservation and the environmental protection are realized.

Drawings

FIG. 1 is a schematic diagram of a high efficiency wet scrubber;

fig. 2 is a schematic view of a diffuser assembly in a high efficiency wet scrubber.

In the figure: 1. a water curtain flow splitting chamber; 2. a water bath dedusting chamber; 3. a dust-containing flue gas inlet; 4. a water supply pipe; 5. an atomization washing device; 6. a folded plate defogging device; 7. a wire mesh defogging device; 8. a purified flue gas outlet; 9. a drainage cone hopper; 10. a circulating purification water tank; 11. a drain pipe; 12. a water supply pipe; 13. a water pump; 14. a blow-off pipe; 15. a water replenishing pipe; 16. a diffuser pipe assembly; 17. a basin; 18. and an exhaust aperture.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if there is a directional indication (such as up, down, left, right, front, and back) in the embodiment of the present invention, it is only used to explain the relative position relationship between the components, the motion situation, etc. in a certain specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

Furthermore, if the description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Example 1

Referring to fig. 1, an efficient wet dust collector comprises a water curtain flow distribution chamber 1, a water bath dust removal chamber 2, a dust-containing flue gas inlet 3 and a purified flue gas outlet 8, wherein one end of the water curtain flow distribution chamber 1 is communicated with the dust-containing flue gas inlet 3, a water outlet pipe 4 is arranged at the top in the water curtain flow distribution chamber 1, and a linear water outlet for forming a water curtain is formed in the water outlet pipe 4; a plurality of groups of atomization washing devices 5 are arranged between the water curtain shunting chamber 1 and the water bath dust removing chamber 2, and atomization spray heads are arranged on the atomization washing devices 5; a plurality of groups of water bath dust removal chambers 2 are arranged in a layered manner from top to bottom, and a folded plate demisting device 6 and a silk screen demisting device 7 are sequentially arranged between the water bath dust removal chambers 2 and the purified flue gas outlet 8; a drainage cone hopper 9 is arranged below the water bath dust chamber 2 and the folded plate demisting device 6; the device is characterized by further comprising a circulating purification water tank 10, a drain pipe 11 is communicated between the drain cone 9 and the circulating purification water tank 10, a water supply pipe 12 is communicated between the circulating purification water tank 10 and the atomization washing device 5, and a water pump 13 is mounted on the water supply pipe 12;

the specific form of the atomizing nozzle is not limited, and in this embodiment, preferably, the atomizing nozzle is a vortex nozzle or a spiral nozzle;

referring to fig. 2, the water bath dust removal chamber 2 comprises a water dispersion pipe assembly 16 and a water basin 17, wherein the water dispersion pipe assembly 16 vertically extends into the water basin 17;

the specific structure of the flow dispersing pipe assembly 16 is not limited, in this embodiment, preferably, the flow dispersing pipe assembly 16 is a venturi tube, and includes a contraction section and an expansion section, the contraction section is provided with an exhaust small hole 18, and the exhaust small hole 18 is immersed in a basin 17;

the flue gas enters the water basin 17 from the small exhaust holes 18 of the diffusing pipe assembly 16, so that the dust-containing liquid drops passing through the water bath dust removing chamber 2 are removed on a large scale.

The working principle of the embodiment is as follows:

the steel slag generates a large amount of dust-containing flue gas in the heat treatment process, the flue gas enters a water curtain shunting chamber 1 through a dust-containing flue gas inlet 3, a water curtain is sprayed out from a linear water outlet on a water outlet pipe 4 at the top end of the water curtain shunting chamber 1, the flue gas passes through the water curtain and enters an atomization washing device 5 after being shunted, the atomization washing device 5 further washes and traps the flue gas, then the flue gas enters a water bath dust removal chamber 2, the flue gas enters a water basin 17 from an exhaust small hole 18 on a diffusing pipe assembly 16, dust-containing liquid drops passing through the water bath dust removal chamber 2 are removed in a large range, part of tiny dust-containing liquid drops still escape from the flue gas passing through the water bath dust removal chamber 2, the flue gas passes through a folded plate demisting device 6 and a silk screen demisting device 7 along with the air flow, the tiny dust-containing liquid drops are continuously trapped through the folded plate demisting device 6 and the silk screen demisting device 7, the flue gas is thoroughly purified, and the purified flue gas is discharged from a purified flue gas outlet 8; the dirty liquid drop of water bath clean room 2, folded plate defogging device 6 and silk screen defogging device 7 desorption finally falls in drainage awl fill 9, and the dust removal water that constantly falls flows to circulation purifying water tank 10 through drain pipe 11 at last and carries out purification treatment, and water pump 13 constantly sends into atomizing washing device 5 through delivery pipe 12 with the water after circulation purifying water tank 10 purifies simultaneously, realizes the circulation moisturizing.

Example 2

An efficient wet dust collector comprises a water curtain flow distribution chamber 1, a water bath dust removal chamber 2, a dust-containing flue gas inlet 3 and a purified flue gas outlet 8, wherein one end of the water curtain flow distribution chamber 1 is communicated with the dust-containing flue gas inlet 3, a water outlet pipe 4 is arranged at the top in the water curtain flow distribution chamber 1, and a linear water outlet for forming a water curtain is formed in the water outlet pipe 4; a plurality of groups of atomization washing devices 5 are arranged between the water curtain shunting chamber 1 and the water bath dust removing chamber 2, and atomization spray heads are arranged on the atomization washing devices 5; a plurality of groups of water bath dust removal chambers 2 are arranged in a layered manner from top to bottom, and a folded plate demisting device 6 and a silk screen demisting device 7 are sequentially arranged between the water bath dust removal chambers 2 and the purified flue gas outlet 8; a drainage cone hopper 9 is arranged below the water bath dust chamber 2 and the folded plate demisting device 6; the device also comprises a circulating and purifying water tank 10, a drain pipe 11 is communicated between the drain cone 9 and the circulating and purifying water tank 10, a water supply pipe 12 is communicated between the circulating and purifying water tank 10 and the atomization washing device 5, and a water pump 13 is installed on the water supply pipe 12;

in order to ensure that the water quality in the circulating purification water tank 10 meets the requirements of the production process, a drain pipe 14 and a water replenishing pipe 15 are further arranged in the circulating purification water tank 10, sewage impurities in the circulating purification water tank 10 are discharged in time through the drain pipe 14, the water turbidity is reduced, clean water is replenished into the circulating purification water tank 10 through the water replenishing pipe 15, and therefore the circulating purification water tank 10 can be used for replenishing and replacing purified water regularly or in real time, and the requirements of the production process are met.

The efficient wet dust collector adopts an ultralow-emission fine dust removal process of a completely pure wet method, ultralow emission of the dust-containing flue gas treatment system is realized, and the emission concentration is lower than 10mg/m for harvesting; a unique flue gas shunting and dust mist trapping mode is adopted, so that a certain elimination effect on white smoke plume removal is achieved, a certain amount of sulfur dioxide, nitrogen compounds and the like can be dissolved, and the emission of acid gas is reduced; the circulating water supply is realized through the circulating water purification system, the water consumption is low, and the energy conservation and the environmental protection are realized.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (5)

1. The efficient wet dust collector is characterized by comprising a water curtain flow distribution chamber (1), a water bath dust removal chamber (2), a dust-containing flue gas inlet (3) and a purified flue gas outlet (8), wherein one end of the water curtain flow distribution chamber (1) is communicated with the dust-containing flue gas inlet (3), a water outlet pipe (4) is arranged at the top in the water curtain flow distribution chamber (1), and a linear water outlet for forming a water curtain is formed in the water outlet pipe (4); a plurality of groups of atomization washing devices (5) are arranged between the water curtain shunting chamber (1) and the water bath dust removal chamber (2), and atomization spray heads are arranged on the atomization washing devices (5); a plurality of groups of water bath dust removal chambers (2) are arranged in an up-down layered manner, and a folded plate demisting device (6) and a silk screen demisting device (7) are sequentially arranged between the water bath dust removal chambers (2) and the purified flue gas outlet (8); a drainage cone hopper (9) is arranged below the water bath dust removing chamber (2) and the folded plate demisting device (6); the device is characterized by further comprising a circulating purification water tank (10), a drain pipe (11) is communicated between the drain cone hopper (9) and the circulating purification water tank (10), a water supply pipe (12) is communicated between the circulating purification water tank (10) and the atomization washing device (5), and a water pump (13) is mounted on the water supply pipe (12).

2. The high efficiency wet scrubber of claim 1, wherein the atomizer head is a vortex head or a spiral head.

3. A high efficiency wet scrubber according to claim 1, characterized in that the water bath chamber (2) comprises a diffuser pipe assembly (16) and a basin (17), the diffuser pipe assembly (16) extending vertically into the basin (17).

4. A high efficiency wet scrubber according to claim 3, characterized in that the diffuser pipe assembly (16) is a venturi tube, comprising a contraction section and an expansion section, the contraction section is provided with the small exhaust holes (18), and the small exhaust holes (18) are immersed in the basin (17).

5. The high efficiency wet scrubber according to any of claims 1-4, wherein the circulation purification water tank (10) is further provided with a sewage drain (14) and a water supply pipe (15).

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