CN214287362U

CN214287362U - Flue gas treatment device

Info

Publication number: CN214287362U
Application number: CN202023112760.1U
Authority: CN
Inventors: 马中发; 王露; 杨小洲
Original assignee: Shaanxi Qinglang Wancheng Environmental Protection Technology Co Ltd
Current assignee: Shaanxi Qinglang Wancheng Environmental Protection Technology Co Ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-09-28
Anticipated expiration: 2030-12-22

Abstract

The utility model provides a flue gas processing apparatus relates to flue gas processing technology field, and the device includes: the device comprises a metal cavity, an air inlet, a filter plate, a negative high-voltage power supply, a fan, a main pipeline, a MW-LEP processor and a washer; wherein, the filter plate comprises a first filter plate and a second filter plate; the density of the first filter plate is different from that of the second filter plate; the first filter plate is arranged at the air inlet end; the air outlet is arranged at the front end of the air outlet of the metal cavity; the negative high-voltage power supply is movably arranged in the metal cavity through the metal frame; a fan is arranged at the air outlet of the metal cavity; the fan is connected with the MW-LEP processor through a main pipeline; the MW-LEP processor is also connected to a scrubber. The utility model discloses it handles the flue gas to produce plasma based on burden high voltage power supply, and then carries out microwave electrodeless ultraviolet treatment and washing to the flue gas after handling, has realized the high efficiency treatment to in the flue gas, and the processing procedure is simple, easily realize.

Description

Flue gas treatment device

Technical Field

The utility model relates to a urea decomposes technical field, particularly, relates to a flue gas processing apparatus.

Background

China is a country with large energy consumption, and a large amount of atmospheric pollutants such as particulate matters, oxysulfide, NOx and the like can be generated in the combustion process of energy such as coal, natural gas and the like. These substances are the main constituents of haze, which is one of the main causes of haze weather. With the national treatment of flue gas emission in the thermal power industry, the development and application of pollutant emission technologies and equipment, and the comprehensive implementation of ultra-low emission, the thermal power industry has been changed from the key industry of air pollution control to the model industry of air pollution prevention and control.

In the prior art, an absorption method, an adsorption method and a catalysis method are mainly adopted for flue gas treatment, and the methods obtain certain effects in the process of treating the flue gas.

However, the method for removing the smoke in the prior art still has the problems that the equipment is easily blocked by tar in the smoke in the long-term smoke treatment process, the treatment efficiency is reduced, and the treatment process flow is too complex and difficult to realize.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flue gas processing apparatus to the not enough of flue gas processing technique among the above-mentioned prior art to there is the problem that the treatment effeciency is low, the treatment process flow is too complicated, be difficult to realize in the method of getting rid of the tar in the flue gas among the solution prior art.

In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:

the embodiment of the utility model provides a flue gas processing apparatus, include: the device comprises a metal cavity, an air inlet, a filter plate, a negative high-voltage power supply, a fan, a main pipeline, a MW-LEP processor and a washer;

the filter plate comprises a first filter plate and a second filter plate; the density of the first filter plate is different from that of the second filter plate; the first filter plate is arranged at the air inlet end; the air outlet is arranged at the front end of the air outlet of the metal cavity; the negative high-voltage power supply is movably arranged in the metal cavity through a metal frame; a fan is arranged at the air outlet of the metal cavity; the fan is connected with the MW-LEP processor through a main pipeline; the MW-LEP processor is also connected to the scrubber.

Optionally, the metal cavity housing is grounded.

Optionally, the negative high-voltage power supply is-4 KV-20 KV.

Optionally, the first filter plate is used for equalizing flow of flue gas entering from the gas inlet; the filter plate is used for secondary filtration of the flue gas.

Optionally, the MW-LEP processor includes a microwave source, an electrodeless ultraviolet lamp, and a metal mesh.

Optionally, the electrodeless ultraviolet lamps include a 185nm electrodeless ultraviolet lamp I and a 254nm electrodeless ultraviolet lamp II; the electrodeless ultraviolet lamps I and the electrodeless ultraviolet lamps II are uniformly distributed in the reaction cavity of the MW-LEP processor.

The utility model has the advantages that: a flue gas treatment device comprising: the device comprises a metal cavity, an air inlet, a filter plate, a negative high-voltage power supply, a fan, a main pipeline, a MW-LEP processor and a washer; the filter plate comprises a first filter plate and a second filter plate; the density of the first filter plate is different from that of the second filter plate; the first filter plate is arranged at the air inlet end; the air outlet is arranged at the front end of the air outlet of the metal cavity; the negative high-voltage power supply is movably arranged in the metal cavity through a metal frame; a fan is arranged at the air outlet of the metal cavity; the fan is connected with the MW-LEP processor through a main pipeline; the MW-LEP processor is also connected to the scrubber. The utility model discloses it handles the flue gas to produce plasma based on burden high voltage power supply, and then carries out microwave electrodeless ultraviolet treatment and washing to the flue gas after handling, has realized the high efficiency treatment to in the flue gas, and the processing procedure is simple, easily realize.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a flue gas treatment device according to an embodiment of the present invention.

Icon: 1-metal cavity, 2-air inlet, 3-filter plate, 4-negative high-voltage power supply, 5-blower, 6-main pipeline, 7-MW-LEP treater and 8-scrubber.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 is a schematic view of a flue gas treatment device, and the flue gas treatment device provided by the embodiment of the present invention is described in detail below with reference to fig. 1.

Fig. 1 is a schematic view of a flue gas treatment device provided by an embodiment of the present invention, as shown in fig. 1, the flue gas treatment device includes: the device comprises a metal cavity 1, an air inlet 2, a filter plate 3, a negative high-voltage power supply 4, a fan 5, a main pipeline 6, a MW-LEP processor 7 and a washer 8.

The embodiment of the utility model provides an in, 1 shell ground connection of metal cavity avoids the user in work to touch the problem that equipment leads to the electric shock to the security of equipment has been improved.

Specifically, the filter plate 3 comprises a first filter plate and a second filter plate; the density of the first filter plate is different from that of the second filter plate; the first filter plate is used for equalizing the flow of the flue gas entering the air inlet; the second filter plate is used for secondary filtration of flue gas. The negative high-voltage power supply is-4 KV-20 KV.

Wherein, the first filter plate is arranged at the air inlet end; the gas outlet 2 is arranged at the front end of the gas outlet of the metal cavity 1; the negative high-voltage power supply 4 is movably arranged in the metal cavity 1 through a metal frame; a fan 5 is arranged at the air outlet of the metal cavity 1; the fan 5 is connected with the MW-LEP processor 7 through a main pipeline 6; the MW-LEP processor 7 is also connected to a scrubber 8.

The embodiment of the utility model provides an in, burden high voltage power supply 4 passes through the metal crate activity and sets up inside metal cavity 1, and the metal is connected as the positive pole with burden high voltage power supply 4, and metal cavity 1's shell ground connection therefore under burden high voltage power supply's effect, produces the plasma discharge body between positive pole and the metal cavity 1. Under the action of a negative-pressure power supply, smoke molecules are ionized, and the long-time use of the smoke can cause electrode coking and influence electrode discharge. Therefore, the negative high-voltage power supply 4 is movably arranged in the metal cavity through the metal frame, and metal connected with the negative high-voltage power supply is cleaned regularly, so that subsequent equipment maintenance is facilitated, and the service life of the equipment is prolonged.

It should be noted that the flue gas is high-temperature flue gas, and the high-temperature flue gas can include the flue gas under 80 ~ 150 degrees centigrade, can include in the high-temperature flue gas: carbon dioxide, ammonia, carbon monoxide, nitrogen oxide, oxycarbide, oxysulfide to mainly use carbon dioxide and nitrogen in the high temperature flue gas, that is the high concentration of carbon dioxide and nitrogen in the high temperature flue gas and be in high temperature, the low concentration of ammonia, carbon monoxide, nitrogen oxide, oxycarbide, oxysulfide are in high temperature.

In an embodiment of the present invention, the MW-LEP processor 7 comprises a microwave source, an electrodeless ultraviolet lamp and a metal mesh. The electrodeless ultraviolet lamps comprise a 185nm electrodeless ultraviolet lamp I and a 254nm electrodeless ultraviolet lamp II; the electrodeless ultraviolet lamps I and the electrodeless ultraviolet lamps II are uniformly distributed in the reaction cavity of the MW-LEP processor.

In the embodiment of the present invention, the microwave sources are distributed outside in an array manner, and the microwave sources generate microwaves based on the magnetron 7. The microwave is an electric wave having a frequency of 300 mhz to 300 ghz, and water molecules in the heated medium material are polar molecules. Under the action of a rapidly changing high-frequency point magnetic field, the polarity orientation of the magnetic field changes along with the change of an external electric field. The effect of mutual friction motion of molecules is caused, at the moment, the field energy of the microwave field is converted into heat energy in the medium, so that the temperature of the material is raised, and a series of physical and chemical processes such as thermalization, puffing and the like are generated to achieve the aim of microwave heating.

The microwave heating has the following advantages: the heating time is short; the heat energy utilization rate is high, and energy is saved; heating uniformly; the microwave source is easy to control, and the microwave can also induce the catalytic reaction. Illustratively, the frequency of the microwave may be 9150MHz, 2045GHz, 5.8 GHz. Thus, the distance between adjacent porous microwave absorbing materials can be calculated in terms of the wavelength being equal to the speed of light divided by the frequency.

Specifically, the metal mesh is arranged at the air inlet and the air outlet of the MW-LEP processor 7, and the aperture of the metal mesh is smaller than or equal to 3mm, so that the microwave energy can be prevented from leaking to the external environment from the reaction cavity, the damage to users can be avoided, and the safety of the system is improved.

Illustratively, the scrubber 8 is used to further process the MW-LEP processor 7 treated gas to make the treated gas cleaner.

The embodiment discloses a flue gas processing apparatus, includes: the device comprises a metal cavity 1, an air inlet 2, a filter plate 3, a negative high-voltage power supply 4, a fan 5, a main pipeline 6, a MW-LEP processor 7 and a washer 8; wherein, the filter plate 3 comprises a first filter plate and a second filter plate; the density of the first filter plate is different from that of the second filter plate; the first filter plate is arranged at the end of the air inlet 2; the air outlet is arranged at the front end of the air outlet of the metal cavity 1; the negative high-voltage power supply 4 is movably arranged in the metal cavity through the metal frame; a fan is arranged at the air outlet of the metal cavity 1; the fan 5 is connected with the MW-LEP processor 7 through a main pipeline 6; the MW-LEP processor 7 is also connected to a scrubber 8. The utility model discloses it handles the flue gas to produce plasma based on burden high voltage power supply, and then carries out microwave electrodeless ultraviolet treatment and washing to the flue gas after handling, has realized the high efficiency treatment to in the flue gas, and the processing procedure is simple, easily realize.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A flue gas treatment device, characterized in that the device comprises: the device comprises a metal cavity, an air inlet, a filter plate, a negative high-voltage power supply, a fan, a main pipeline, a MW-LEP processor and a washer;

2. The flue gas treatment device of claim 1, wherein the metal chamber housing is grounded.

3. The flue gas treatment device according to claim 1, wherein the negative high voltage power supply is-4 KV to-20 KV.

4. The flue gas treatment device according to claim 1, wherein the filter plate is used for equalizing flue gas entering from the gas inlet; the filter plate is used for secondary filtration of the flue gas.

5. The flue gas treatment device of claim 1, wherein the MW-LEP processor comprises a microwave source, electrodeless ultraviolet lamps, and a metal mesh.

6. The flue gas treatment device according to claim 5, wherein the electrodeless ultraviolet lamps comprise a first 185nm electrodeless ultraviolet lamp and a second 254nm electrodeless ultraviolet lamp; the electrodeless ultraviolet lamps I and the electrodeless ultraviolet lamps II are uniformly distributed in the reaction cavity of the MW-LEP processor.