CN218188857U

CN218188857U - Tail gas treatment device based on plasma defogging

Info

Publication number: CN218188857U
Application number: CN202222656268.3U
Authority: CN
Inventors: 方磊; 龙寅; 苏辉; 范胜飞; 房鸣
Original assignee: Anhui Fanze Environmental Technology Co ltd
Current assignee: Anhui Fanze Environmental Technology Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-01-03
Anticipated expiration: 2032-10-10

Abstract

The utility model relates to a tail gas treatment device based on plasma demisting, which relates to the field of tail gas treatment devices and comprises a support mechanism which is positioned at the upper end of a bearing platform and around an air duct and at least one group of plasma field superposition modules which are positioned above the support mechanism; each group of plasma field superposition modules is formed by superposing a plasma unit and a module connecting frame from top to bottom, a water storage and drainage disc is arranged between the plasma unit of the plasma field superposition module at the bottom end and the supporting mechanism, and a tail gas detection port is arranged at the side end of the module connecting frame of the plasma field superposition module at the top end. The invention forms a diffusion exhaust channel above the wind barrel for exhausting air of the washing tower, and further intensively processes and collects the emissions carried by the tail end of the washing tower through the plasma electric field, thereby reducing the emission carried and reducing the contents of solid matters, gas and the like; and the layer number is increased along with the quick connection of the frame structure, so that the treatment degree can be further enhanced, and the environmental protection requirement of clean discharge is met.

Description

Tail gas treatment device based on plasma defogging

Technical Field

The utility model belongs to tail gas processing apparatus field specifically is a tail gas processing apparatus based on plasma defogging.

Background

The purifying equipment for gas-liquid separation, such as washing tower or rectifying tower, is generally composed of tower body, tower plate, reboiler and condenser, and the upper end of the tower body is equipped with air tube for discharging tail gas. The washing tower is suitable for separating mixed gas containing a small amount of dust, all components cannot react, the product is easy to liquefy, impurities such as dust are not easy to liquefy or solidify, the washing tower is widely applied to pretreatment in the aspects of industrial tail gas purification, dust removal and the like, and the purification effect is good. The tail gas entering the washing tower is contacted with gas and liquid through the tower body (reverse flow), the tail gas is cooled, the gas is conditioned and particles are removed, and the tail gas is treated by a demisting section and then is discharged into the atmosphere through an air duct.

Utilize static among the prior art, carbon adsorption, dust collecting equipment such as plasma, for example CN201620990391.0 discloses a defogging is received water ware and defogging scrubbing tower for the scrubbing tower, CN202010210279.1 discloses a system and method of scrubbing tower water-saving defogging, wherein the defogging part all sets up inside the dryer, there is the limitation, need carry out structural transformation to original dryer, lead to dryer itself to be corroded easily, and at high salt, high temperature, hardly have the tail gas treatment problem that the dryer can be solved to better defogging equipment under the abominable operating mode such as moist.

Disclosure of Invention

The utility model aims at providing a tail gas processing apparatus based on plasma defogging to being used for gas-liquid separation's clarification plant defogging section setting at the inside problem that causes the influence to the dryer of dryer such as present traditional scrubbing tower or rectifying column.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a tail gas treatment device based on plasma demisting comprises a supporting mechanism and at least one group of plasma field superposition modules, wherein the supporting mechanism is positioned at the upper end of a bearing table and around an air duct;

each group of plasma field superposition modules is formed by superposing a plasma unit and a module connecting frame from top to bottom, a water storage and drainage disc is arranged between the plasma unit of the plasma field superposition module at the bottom end and the supporting mechanism, and a tail gas detection port is arranged at the side end of the module connecting frame of the plasma field superposition module at the top end.

As a further optimization scheme of the utility model, plasma unit and module link all include rectangle enclosure shell, all be equipped with gomphosis fixed knot structure between the casing lower extreme of module link and the casing upper end of plasma unit and between the casing upper end of module link and the casing lower extreme of a set of plasma unit down.

As the utility model discloses a further optimization scheme, the inside discharge electrode and the water-collecting plate that is equipped with a plurality of groups align to grid of the casing of plasma unit, discharge electrode and water-collecting plate form the plasma electric field, the plasma electric field direction mutually perpendicular in the plasma unit of adjacent plasma field stack module.

As the utility model discloses a further optimization scheme, the one end of water-collecting sheet is equipped with the passageway that catchments, the terminal intercommunication of passageway that catchments holds the drain pan, the bottom that holds the drain pan is equipped with the drain pipe.

As a further optimization scheme of the utility model, the casing side of module link is equipped with the high-voltage connection terminal that a plurality of groups linear arrangement and be connected with the discharge electrode electricity.

As a further optimization scheme of the utility model, a plurality of groups high-voltage connection seat is connected to the regulator cubicle that is located on the plummer through the wire.

As a further optimization scheme of the utility model, the casing side of module link is equipped with wiper mechanism, and wiper mechanism is by the water pipe of two sets of symmetries and a plurality of group's nozzles that are located two sets of water pipe opposite faces, nozzle water spray direction is perpendicular with discharge electrode and water-collecting plate array orientation.

The beneficial effects of the utility model reside in that:

this tail gas processing apparatus based on plasma defogging constitutes diffusion exhaust passage above the dryer that the scrubbing tower was aired exhaust. The discharge entrained at the tail end of the washing tower can be further treated and collected in a centralized way through the plasma electric field, so that the discharge entrainment is reduced, and the contents of solid matters, gas and the like are reduced; and the layer number is increased along with the quick connection of the frame structure, so that the treatment degree can be further enhanced, and the environmental protection requirement of clean discharge is met.

Drawings

FIG. 1 is a schematic view of the overall structure of the tail gas treatment device based on plasma demisting;

FIG. 2 is a schematic side view of the exhaust gas treatment device based on plasma demisting;

fig. 3 is a top view of the exhaust gas treatment device based on plasma demisting.

In the figure: 1. a support mechanism; 2. a water storage and discharge tray; 3. a plasma unit; 4. a module connecting frame; 5. a high-voltage wire holder; 6. a cleaning mechanism; 7. a tail gas detection port; 8. a drain pipe; 9. an electrical cabinet.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

As shown in fig. 1-3, the tail gas treatment device based on plasma demisting of the present embodiment includes a support mechanism 1 located at the upper end of the plummer and around the air duct, and at least one set of plasma field superposition module located above the support mechanism 1;

the supporting mechanism 1 is composed of four groups of triangular steel frames which are symmetrically distributed around the air duct, but the supporting mechanism 1 is not limited to the triangular steel frames, and can also be a truss or other supporting structures;

every group plasma field stack module is formed by stacking from top to bottom plasma unit 3 and module link 4, plasma unit 3 and module link 4 all include the rectangle enclosure casing, all be equipped with the gomphosis fixed knot structure between the casing lower extreme of module link 4 and the casing upper end of plasma unit 3 and between the casing upper end of module link 4 and the casing lower extreme of next group plasma unit 3, the gomphosis fixed knot constructs including recess that is located the below and the common gomphosis fixed mode such as the arch that is located the top and bolt, plasma unit 3 and module link 4 are through gomphosis fixed knot structure stack promptly, adjacent two sets of plasma field stack modules also stack layer by layer with this, the specific number of piles needs to decide according to the handling capacity and the operating mode of dryer.

A plurality of groups of discharge electrodes and water collecting plates which are uniformly arranged are arranged in the shell of the plasma unit 3, the discharge electrodes and the water collecting plates form a plasma electric field, and the directions of the plasma electric fields in the plasma units 3 of the adjacent plasma electric field superposition modules are mutually vertical; a plurality of groups of high-voltage wire holders 5 which are linearly arranged and electrically connected with the discharge electrode are arranged at the side end of the shell of the module connecting frame 4, and the plurality of groups of high-voltage wire holders 5 are connected to an electric cabinet 9 positioned on the bearing table through wires; the water drops formed by the more than two groups of plasma units 3 after demisting treatment fall into the washing tower, at the moment, the water drops inevitably pass through other groups of plasma units 3 with the priority group larger than the water drops, the water drops are formed by condensation, the temperature of the water drops is lower than that of fog, when the water drops pass through other groups of plasma units 3 with the priority group larger than the water drops, the condensation effect of the other groups of plasma units 3 can be improved, meanwhile, the groups can form interclass interval distribution through the module connecting frames 4, and the interval can further improve the condensation effect.

The electric field directions in the two adjacent groups of plasma units 3 are mutually vertical and distributed, and the fog can move to one side of low pressure under the action of the electric field in the fog channel, so that water and gas separation is realized.

A water storage and drainage tray 2 is arranged between a plasma unit 3 of the bottommost plasma field superposition module and a supporting mechanism 1, a water collection channel is arranged at one end of each water collection plate in the plasma unit 3, the tail end of the water collection channel is communicated with the water storage and drainage tray 2, a water drainage pipe 8 is arranged at the bottom end of the water storage and drainage tray 2, the plasma unit 3 ionizes air into plasma by high-speed electrons emitted by a high-voltage and high-frequency electric field with small cross section to form a low-temperature plasma field covering air cylinder, liquid drops of solution passing through the plasma field are guided to the water collection plate with low potential, and are bound and condensed into collectable large water drops which flow into the water storage and drainage tray 2 along the water collection channel, and finally reach a designated position of a production unit through the water drainage pipe 8 to be discharged; the module link 4 side of topmost plasma field stack module is equipped with tail gas detection mouth 7, and tail gas detection mouth 7 can install tail gas detection device additional and be used for detecting tail gas composition.

The casing side of module link 4 is equipped with wiper mechanism 6, and wiper mechanism 6 still is equipped with control flap by the water pipe of two sets of symmetries and a plurality of groups nozzles that are located two sets of water pipe opposite faces, the end of assembling of two sets of water pipes, and the nozzle water spray direction is perpendicular with discharge electrode and water collecting plate arrangement direction, and is bigger to the impact force of discharge electrode and water collecting plate, and the cleaning surface is wider.

The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The tail gas treatment device based on plasma demisting is characterized by comprising a supporting mechanism (1) which is positioned at the upper end of a bearing table and around an air duct, and at least one group of plasma field superposition modules which are positioned above the supporting mechanism (1);

every group plasma field stack module is formed by overlapping from top to bottom plasma unit (3) and module link (4), is equipped with between plasma unit (3) and the supporting mechanism (1) of the plasma field stack module of bottom and holds drain pan (2), and module link (4) side end of the plasma field stack module on top is equipped with tail gas detection mouth (7).

2. The tail gas treatment device based on plasma demisting according to claim 1, wherein the plasma unit (3) and the module connecting frame (4) comprise rectangular enclosure shells, and the embedding fixing structures are arranged between the lower end of the shell of the module connecting frame (4) and the upper end of the shell of the plasma unit (3) and between the upper end of the shell of the module connecting frame (4) and the lower end of the shell of the next group of plasma units (3).

3. The tail gas treatment device based on plasma demisting as set forth in claim 2, wherein the plasma unit (3) is provided with a plurality of sets of uniformly arranged discharge electrodes and collector plates inside the housing, the discharge electrodes and collector plates form plasma electric fields, and the directions of the plasma electric fields in the plasma units (3) of adjacent plasma electric field superposition modules are perpendicular to each other.

4. The tail gas treatment device based on plasma demisting according to claim 3, wherein a water collecting channel is arranged at one end of the water collecting plate, the tail end of the water collecting channel is communicated with a water storage and drainage tray (2), and a drain pipe (8) is arranged at the bottom end of the water storage and drainage tray (2).

5. An exhaust gas treatment device based on demisting by plasma according to claim 3, wherein the module connecting frame (4) is provided at the side of the housing with a plurality of sets of high voltage wire holders (5) arranged linearly and electrically connected to the discharge electrodes.

6. The exhaust gas treatment device based on plasma defogging of claim 5, wherein a plurality of groups of the high voltage wire holders (5) are connected to an electrical cabinet (9) on a bearing platform through wires.

7. The exhaust gas treatment device based on plasma defogging of claim 3, wherein a cleaning mechanism (6) is arranged at the side end of the housing of the module connecting frame (4), the cleaning mechanism (6) comprises two sets of symmetrical water pipes and a plurality of sets of nozzles arranged at the opposite surfaces of the two sets of water pipes, and the water spraying direction of the nozzles is perpendicular to the arrangement direction of the discharge electrodes and the water collecting plate.