CN215822755U - Safe and explosion-proof plasma synergistic multi-technology flue gas purification equipment - Google Patents

Abstract

The utility model discloses safe and explosion-proof plasma-synergetic multi-technology flue gas purification equipment which comprises a box body, a plasma generating device and a synergetic purification device, wherein the box body is provided with a plurality of air inlets; two opposite ends of the box body are respectively provided with an air inlet and an air outlet, and a plasma purification chamber and a cooperative purification chamber are sequentially arranged in the box body from the air inlet to the air outlet; the plasma generating device comprises a cabinet body, a plasma discharging module, a plasma discharging power supply and a plasma injection system, wherein the cabinet body is located outside the cabinet body, the cabinet body comprises a first cavity and a second cavity, the first cavity and the second cavity are isolated from each other, the plasma discharging module is installed in the first cavity, the plasma discharging power supply is installed in the second cavity, the plasma discharging module is electrically connected with the plasma discharging power supply, and the first cavity is communicated with the plasma purification cavity through the plasma injection system. The flue gas purification equipment prevents the contact of waste gas and electrical equipment, and can prevent explosion.

Description

Safe and explosion-proof plasma synergistic multi-technology flue gas purification equipment

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to safe and explosion-proof plasma synergistic multi-technology flue gas purification equipment.

Background

At present, VOCs pollutant treatment enterprises mostly adopt a plurality of combination technologies, or adopt two or more combination technologies, and finally achieve the best treatment effect. The existing design of some low-temperature plasma VOCs purification equipment has some defects; the problems of irregular operation, improper operation and maintenance and the like exist in the use process of part of users, and certain safety risk exists in engineering application.

The existing low-temperature plasma purification equipment mainly comprises the following safety risks when in use:

the concentration of the organic matter accumulated in the waste gas or the treatment system is high, and reaches the explosion limit value of the purified material (or mixture), and the equipment explodes when the electricity is discharged.

The pretreatment of the waste gas is not in place, particulate matters such as oil mist or paint mist in the waste gas enter the low-temperature plasma purification equipment, are deposited on the wall of the electric appliance, and can cause the equipment to catch fire after being accumulated to a certain degree.

Some compounds generate polymerization reaction in a low-temperature plasma environment, deposit and coke on the wall of an electric appliance, and can cause equipment to catch fire when accumulated to a certain degree.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the background technology, the utility model provides a safe and explosion-proof plasma synergistic multi-technology flue gas purification device.

The utility model provides a safe and explosion-proof plasma synergetic multi-technology flue gas purification device, which comprises:

the plasma purifying chamber and the cooperative purifying chamber are sequentially arranged in the box body from the air inlet to the air outlet, and the plasma purifying chamber is communicated with the cooperative purifying chamber;

the plasma generating device comprises a cabinet body, a plasma discharging module, a plasma discharging power supply and a plasma injection system, wherein the cabinet body is positioned outside the cabinet body, the cabinet body comprises a first cavity and a second cavity, the first cavity and the second cavity are isolated from each other, the plasma discharging module is installed in the first cavity, the plasma discharging power supply is installed in the second cavity, the plasma discharging module is electrically connected with the plasma discharging power supply, and the first cavity is communicated with the plasma purifying cavity through the plasma injection system;

and the cooperative purification device comprises an activated carbon filtration module and/or a UV photocatalysis module which are arranged in the cooperative purification chamber.

Preferably, the plasma injection system comprises a fan, an air suction pipe and an air blowing pipe, wherein the air suction port of the fan is communicated with the first chamber through the air suction pipe, the air blowing pipe is communicated with the air blowing port of the fan, and the air blowing pipe is fixedly arranged in the plasma purification chamber.

Preferably, a plurality of air distribution branch pipes are arranged on the air blowing pipe at intervals, and air distribution holes are arranged on the air distribution branch pipes at intervals.

Preferably, the air distribution holes are arranged on the surface of the air distribution branch pipe, which faces away from the air inlet.

Preferably, the cabinet body is provided with an air conditioning and refrigerating system for delivering cold air into the first chamber.

Preferably, the side wall of the box body is provided with an access door.

Preferably, the bottom of the box body is provided with a sewage discharge pipe, and the outer end of the sewage discharge pipe is provided with an end cover.

Has the advantages that:

in the utility model, the plasma cooperates with the multi-technology flue gas purification equipment, the plasma discharge module and the plasma discharge power supply are arranged in the independent chamber of the cabinet body in a ventilation way, the cabinet body is arranged outside the box body, and the generated plasma is conveyed into the box body through the plasma injection system to purify the waste gas. Because the waste gas is prevented from contacting with the plasma discharge module and the plasma discharge power supply in the purification process, the waste gas can not be deposited in the cabinet body, the explosion generated during the treatment of the waste gas can be prevented, and the safety of the equipment is improved.

Drawings

FIG. 1 is a front perspective view of a safe explosion-proof plasma-synergetic multi-technology flue gas purification device proposed in the embodiment;

FIG. 2 is a top perspective view of the flue gas cleaning apparatus of FIG. 1;

FIG. 3 is a schematic structural diagram of an air blowing pipe, an air distribution branch pipe and an air distribution hole.

Detailed Description

Referring to fig. 1-3, the present embodiment provides a safe and explosion-proof plasma-assisted multi-technology flue gas purification apparatus, which is used to eliminate potential safety hazards of the plasma-assisted multi-technology flue gas purification apparatus and prevent explosion during the treatment of the flue gas.

The plasma-synergetic multi-technology flue gas purification equipment comprises a box body 1, a plasma generating device and a synergetic purification device. Wherein:

two opposite ends of the box body 1 are respectively provided with an air inlet 101 and an air outlet 102, wherein the air inlet 101 is used for connecting with a waste gas introduction end, and the air outlet 102 is used for connecting with a purified gas discharge end. A plasma purification chamber 103 and a cooperative purification chamber 104 are sequentially arranged in the box body 1 from the gas inlet 101 to the gas outlet 102, and the plasma purification chamber 103 is communicated with the cooperative purification chamber 104.

The plasma generating device comprises a cabinet body 2, a plasma discharging module 3, a plasma discharging power supply 4 and a plasma injection system 5. The cabinet body 2 is located the outside of box 1, and the cabinet body 2 includes first cavity 201 and second cavity 202, and first cavity 201 and second cavity 202 mutual isolation, plasma discharge module 3 install in first cavity 201, and plasma discharge power supply 4 installs in second cavity 202, and plasma discharge module 3 and plasma discharge power supply 4 electric connection, and plasma discharge module 3 passes through electrode ionization air after connecting the electricity and produces low temperature plasma. The first chamber 201 is communicated with the plasma purification chamber 103 through a plasma injection system 5, and the plasma injection system 5 is used for conveying the generated low-temperature plasma to the plasma purification chamber 103, mixing the plasma with the exhaust gas entering from the gas inlet 101, and purifying the exhaust gas.

The cooperative purification device comprises an activated carbon filter module 6 and/or a UV photocatalytic module 7 installed in the cooperative purification chamber 104, i.e. the cooperative purification device may adopt the activated carbon filter module 6 or the UV photocatalytic module 7 or a combination of the two. Preferably, the cooperative purification chamber 104 is internally provided with mounting frames, the mounting frames are arranged in multiple rows along the width direction of the box body 1, two ends of each mounting frame are provided with baffle seals in a staggered manner, and the activated carbon filter modules 6 and/or the UV photocatalytic modules 7 are fixedly arranged on the mounting frames.

Part of VOCs malodorous gas molecules which cannot be removed by plasma can be absorbed by the active carbon filtering module 6. The UV photocatalysis module 7 can utilize an ultraviolet light beam emitted by the ultraviolet light tube to irradiate the waste gas, crack the molecular chain structure of the waste gas, and degrade and convert partial VOCs malodorous gas molecules which cannot be eliminated by plasma into low-molecular compounds under the irradiation of a high-energy ultraviolet light beam.

According to the plasma-synergetic multi-technology flue gas purification equipment of the embodiment, the plasma discharge module 3 and the plasma discharge power supply 4 of the plasma generation device are installed in the cavity of the independent cabinet body 2, the cabinet body 2 is arranged outside the box body 1, and the generated plasma is conveyed into the box body 1 through the plasma injection system 5 for exhaust gas purification. Because the waste gas is prevented from contacting with the plasma discharge module 3 and the plasma discharge power supply 4 in the purification process, the waste gas can not be deposited in the cabinet body 2, the explosion generated during the treatment of the waste gas can be prevented, and the safety of the equipment is improved.

In a further embodiment, the plasma injection system 5 comprises a blower 501, an air suction pipe 502 and an air blowing pipe 503, the blower 501 is preferably fixedly installed in the cabinet 2 and located below the second chamber 202, the plasma discharge power supply 4 is separated from the blower 501 by a partition plate, the air suction port of the blower 501 is communicated with the first chamber 201 through the air suction pipe 502, the air blowing pipe 503 is communicated with the air blowing port of the blower 501, and the air blowing pipe 503 is fixedly installed in the plasma purification chamber 103. A plurality of air distribution branch pipes 504 are arranged on the air blowing pipe 503 at intervals, and air distribution holes 505 are arranged on the air distribution branch pipes 504 at intervals.

Through the gas distribution branch pipes 504 and the gas distribution holes 505 which are arranged at intervals, the plasma can be uniformly dispersed into the plasma purification chamber 103, so that the waste gas and the plasma are mixed more uniformly, and the waste gas purification efficiency and the purification efficiency are improved.

Preferably, the air distribution holes 505 are arranged on the surface of the air distribution branch pipe 504 opposite to the air inlet 101. By arranging the air distribution hole 505 back to the air inlet 101, the phenomenon that the pressurized exhaust gas enters the plasma injection system 5 through the air distribution hole 505 at an overlarge air speed and finally enters the cabinet body 2 where the plasma discharge module 3 is located can be prevented, and the safety of the plasma generating device can be further improved.

In the present embodiment, an air conditioning and cooling system 8 for delivering cold air into the first chamber 201 is installed on the cabinet 2. The air conditioning and refrigerating system 8 can reduce the air temperature and further reduce the temperature of the low-temperature plasma, so that the reaction efficiency of the low-temperature plasma and the waste gas is improved.

In some embodiments, the access door 9 is installed on the sidewall of the box body 1, the access door 9 is located on one side of the cooperative purification chamber 104, and a person can enter the box body 1 through the access door 9, so as to facilitate replacement, maintenance or repair of the cooperative purification apparatus.

In some embodiments, a sewage pipe 10 is arranged at the bottom of the box body 1, and an end cover is arranged at the outer end of the sewage pipe 10. By opening the end cap, the waste water remaining in the tank 1 when the waste gas is treated can be discharged from the sewage pipe 10.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (7)

1. The utility model provides a safe explosion-proof plasma is multi-technology gas cleaning equipment in coordination which characterized in that includes:

the device comprises a box body (1), wherein two opposite ends of the box body (1) are respectively provided with an air inlet (101) and an air outlet (102), a plasma purification chamber (103) and a cooperative purification chamber (104) are sequentially arranged in the box body (1) from the air inlet (101) to the air outlet (102), and the plasma purification chamber (103) is communicated with the cooperative purification chamber (104);

the plasma generating device comprises a cabinet body (2), a plasma discharging module (3), a plasma discharging power supply (4) and a plasma injection system (5), wherein the cabinet body (2) is positioned outside the cabinet body (1), the cabinet body (2) comprises a first chamber (201) and a second chamber (202), the first chamber (201) and the second chamber (202) are isolated from each other, the plasma discharging module (3) is installed in the first chamber (201), the plasma discharging power supply (4) is installed in the second chamber (202), the plasma discharging module (3) is electrically connected with the plasma discharging power supply (4), and the first chamber (201) is communicated with a plasma purifying chamber (103) through the plasma injection system (5);

a synergistic purification device comprising an activated carbon filtration module (6) and/or a UV photocatalytic module (7) mounted within a synergistic purification chamber (104).

2. The safe explosion-proof plasma collaborative multi-technology flue gas purification equipment is characterized in that the plasma injection system (5) comprises a fan (501), an air suction pipe (502) and an air blowing pipe (503), wherein the air suction port of the fan (501) is communicated with the first chamber (201) through the air suction pipe (502), the air blowing pipe (503) is communicated with the air blowing port of the fan (501), and the air blowing pipe (503) is fixedly installed in the plasma purification chamber (103).

3. A safe and explosion-proof plasma cooperation multi-technology flue gas purification device as claimed in claim 2, wherein a plurality of gas distribution branch pipes (504) are installed on the gas blowing pipe (503) at intervals, and gas distribution holes (505) are arranged on the gas distribution branch pipes (504) at intervals.

4. A safe explosion-proof plasma cooperative multi-technology flue gas purification device according to claim 3, wherein the gas distribution holes (505) are arranged on the surface of the gas distribution branch pipe (504) opposite to the gas inlet (101).

5. A safe explosion-proof plasma-synergetic multi-technology flue gas purification device according to claim 1, wherein an air-conditioning refrigeration system (8) for delivering cold air into the first chamber (201) is installed on the cabinet body (2).

6. A safe and explosion-proof plasma synergistic multi-technology flue gas purification device according to any one of claims 1 to 5, characterized in that an access door (9) is installed on the side wall of the box body (1).

7. A safe explosion-proof plasma cooperative multi-technology flue gas purification device according to any one of claims 1 to 5, wherein a sewage discharge pipe (10) is arranged at the bottom of the box body (1), and an end cover is installed at the outer end of the sewage discharge pipe (10).

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