CN211302616U

CN211302616U - Low-temperature plasma waste gas treatment device

Info

Publication number: CN211302616U
Application number: CN201922088151.8U
Authority: CN
Inventors: 朱进进; 李海周
Original assignee: Shanghai Yuechan Environmental Protection Technology Co Ltd
Current assignee: Shanghai Yuechan Environmental Protection Technology Co Ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-08-21
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a low temperature plasma exhaust treatment device relates to exhaust-gas treatment equipment technical field. The technical scheme is characterized in that a purifying piece and a thread groove matched with the purifying piece are arranged, and the purifying piece is fixed on the surface of the closed door facing a purifying system to adsorb harmful substances in the gas at the position and improve the purifying degree of the gas in the inner cavity of the reaction frame; the setting subsider and the direction fan blade that has the driving piece, through rotating the direction fan blade in order to promote gaseous entering clean system inner chamber, and then in order to reduce gaseous phenomenon that just escapes the reaction frame without complete filtration, reached the airtight door department and be convenient for purify the gas, effectively improve the effect of gaseous purification degree in the reaction frame inner chamber.

Description

Low-temperature plasma waste gas treatment device

Technical Field

The utility model relates to a waste gas treatment equipment technical field, more specifically say, it relates to a low temperature plasma exhaust treatment device.

Background

Currently, in the field of waste gas treatment, a low-temperature plasma discharge purification method is a waste gas treatment method for treating volatile organic compounds by discharge, and has high efficiency and small secondary pollution. The main working principle is that the gas is broken down by the external voltage, the gas is decomposed into a mixture of various electrons, ions, atoms and free radicals, and in the process, pollutant molecules are also decomposed, so that the purpose of degrading pollutants in the air is achieved.

The existing chinese patent publication No. CN 106823707 a provides a low-temperature plasma waste gas treatment device, which comprises a reaction frame, and a filtering system, a low-temperature plasma reaction system and an activated carbon fiber filtering system which are located in an inner cavity of the reaction frame. The reaction frame is in a long cylinder shape so as to fully increase the contact area of gas in the reaction frame and ensure the filtering effect of the gas, and the two ends of the reaction frame in the length direction are respectively provided with a gas inlet and a gas outlet. The filtering system and the activated carbon fiber filtering system are respectively positioned at two ends of the low-temperature plasma system in the length direction, the filtering system is close to the air inlet, and the activated carbon fiber filtering system is close to the air outlet. The outer side wall of the cylinder body is provided with a material taking port which is identical to the filtering system, the low-temperature plasma reaction system and the activated carbon fiber processing system, so that an operator can replace equipment for filtering, and the inner side wall of the material taking port is rotatably provided with a sealed door to reduce the phenomenon of leakage of filtered gas. After gas enters the inner cavity of the reaction frame from the gas inlet, the filtering system adsorbs large particle impurities such as dust in the gas, the low-temperature plasma reaction system is electrified to release a high-voltage electric field to degrade air and pollutants mixed in internal molecules of the air, the activated carbon fiber filtering system secondarily purifies the primarily purified gas and sterilizes the air through activated carbon, and the fully purified gas is discharged outwards through the gas outlet.

However, the sealed door of the above-mentioned apparatus lacks a corresponding purification device, and a certain gap exists between the sealed door and the system for filtering gas, the gas which is not completely filtered is easily accumulated at the gap and is difficult to be completely purified, and the gas gushes out when an operator opens the sealed door to replace the apparatus in the reaction rack, thereby causing pollution to the external environment, and thus the improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a low temperature plasma exhaust treatment device, it has the airtight door department and is convenient for purify the gas, effectively improves the advantage of gaseous purification degree at the reaction frame inner chamber.

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

a low-temperature plasma waste gas treatment device comprises a reaction frame and a plurality of purification systems positioned in an inner cavity of the reaction frame, wherein a material taking port penetrates through the outer side wall of the reaction frame and is positioned at the purification systems along the thickness direction of the reaction frame, a closed door is rotatably arranged on the inner side wall of the material taking port, a plurality of thread grooves are formed in the surface of the closed door facing the purification systems, and purification pieces are arranged on the inner side wall of each thread groove; the surface that airtight door orientation clean system direction just is located all purification piece direction of height's both ends respectively and is provided with the subsider, the subsider internal rotation is provided with the direction fan blade, the surface that airtight door kept away from the reaction frame direction is provided with and is used for driving direction fan blade pivoted driving piece.

By adopting the technical scheme, the purifying pieces are cylinders made of activated carbon, and all the purifying pieces are uniformly distributed between the sealed door and the purifying system so as to adsorb harmful substances in the gas at the position and improve the purifying degree of the gas in the inner cavity of the reaction frame. The guide fan blades are positioned on the inner side wall of the settling tank and rotate along with the rotation shaft of the driving piece, and the guide fan blades push air between the sealed door and the purification system to enter the inner cavity of the purification system for purification through wind force generated by rotation, so that the phenomenon that the air escapes from the reaction frame without being completely filtered is reduced.

Furthermore, the thread groove inner side wall and the side wall located in the direction of the purification system are vertically provided with an elastic piece, and the surface of the purification piece facing the direction of the thread groove is provided with a butt groove convenient for the elastic piece to butt into.

Through adopting above-mentioned technical scheme, when purifying in the piece inserts the thread groove, the elastic component atress compression supports into butt inslot cavity, and it constantly compresses and provides reverse elasticity to purifying when purifying through the screw tightening, and then has greatly improved the tight degree of being connected between purifying piece and the thread groove to the stability of purifying piece in reaction frame inner chamber purified gas has been ensured.

Furthermore, a plurality of bearing screen plates used for abutting against the purifying piece are vertically arranged on the surface of the closed door facing to the direction of the purifying system.

Through adopting above-mentioned technical scheme, bear the otter board and weave the waffle slab that forms by the stainless steel wire, its quality is lighter and the upper surface carries the thing ability stronger, and it provides effective support when purifying a separation thread groove, and then has effectively reduced and purified a phenomenon that falls into the reaction frame inner chamber and influence the normal gas of purifying of clean system.

Further, get the material mouth inside wall and be provided with a plurality of attaching plates perpendicularly, the airtight door is provided with a plurality of pieces that adsorb towards the surface vertical and interval of attaching plate direction, it inhales with attaching plate magnetism mutually.

Through adopting above-mentioned technical scheme, the attaching plate is made by the magnet, adsorbs the piece and is made by iron, adsorbs the piece can inhale mutually with attaching plate magnetism, and then makes comparatively inseparable being fixed in of sealing door and gets material mouthful inside wall.

Further, the longitudinal section of adsorbing the piece is the rhombus, the surface of attaching plate orientation adsorbing the piece direction is provided with a plurality of spacing grooves of being convenient for adsorb the piece and support into.

Through adopting above-mentioned technical scheme, the rhombus adsorbs the piece and supports into spacing inslot chamber completely, and it is through the great external surface area of self, has greatly increased the absorbent area of laminating between adsorbing piece and the binding plate, and then has strengthened the airtight effect of airtight door at the material taking mouth inside wall.

Furthermore, a plurality of isolation pads are arranged on the surface of the closed door facing to the direction of the attaching plate.

Through adopting above-mentioned technical scheme, soft and the rubber pad of easy deformation of texture is preferred to the isolation pad, and when the airtight door was closed when getting the material mouthful inside wall, the isolation pad was closely laminated between airtight door and rigging board, and its compression deformation when through self pressurized to crowded space that accounts for between airtight door and the rigging board, and then reduced the outside phenomenon of overflowing in the space between the two of air follow.

Furthermore, a plurality of deformation cavities are arranged in the inner cavity of the isolation pad at intervals.

Through adopting above-mentioned technical scheme, the deformation cavity makes the isolating pad become more soft, and it makes the isolating pad become more flat by compression deformation between attaching plate and airtight door to the circulation of space and air current between the two has further been reduced.

Further, the surface that the reaction frame direction was kept away from to the airtight door rotates and is provided with a plurality of buckle boards, the reaction frame lateral wall just is located one side of getting material mouthful width direction and is provided with a plurality of fixed blocks, fixed block one of them end is provided with the groove of stepping down that the buckle board of being convenient for supported into.

Through adopting above-mentioned technical scheme, operating personnel rotates the buckle board and makes its length direction's one end support into the groove inner chamber of stepping down, and it makes the more inseparable laminating of sealed door in getting the material mouth inside wall, has reduced between adsorption element and the laminating board that the adsorption effect is not good enough and make the barrier pad jack-up sealed door, and then makes the phenomenon of gaseous outside effusion.

To sum up, the utility model discloses following beneficial effect has:

1. the purification piece and the thread groove matched with the purification piece are arranged, and the purification piece is fixed on the surface of the closed door facing the purification system so as to adsorb harmful substances in the gas and improve the purification degree of the gas in the inner cavity of the reaction frame; the settling tank and the guide fan blade with the driving piece are arranged, and the guide fan blade is rotated to push gas to enter an inner cavity of the purification system, so that the phenomenon that the gas escapes from the reaction frame without being completely filtered is reduced.

2. The elastic piece and the abutting groove matched with the elastic piece are arranged, and the connection tightness of the purifying piece in the thread groove is improved through the compression deformation of the elastic piece; set up the adsorption element of rhombus and have the attaching plate of spacing groove to improve the closeness of connection of sealed door at the material taking mouth inside wall.

Drawings

FIG. 1 is a schematic structural view of a low-temperature plasma exhaust gas treatment device according to an embodiment;

FIG. 2 is a schematic diagram showing the positional relationship between the purification unit, the sealing door and the reaction frame in the embodiment;

FIG. 3 is an exploded view of the embodiment for showing the connection relationship between the purging member and the screw groove;

FIG. 4 is a schematic sectional view showing the positional relationship between the deformed cavity and the spacer in the embodiment;

FIG. 5 is an enlarged schematic view of the connection relationship between the fastening plate and the fixing block in the embodiment.

In the figure: 1. a reaction frame; 101. a purification system; 102. a material taking port; 103. a fixed block; 104. a yielding groove; 2. a sealing door; 201. a thread groove; 2011. an elastic member; 202. a purifying member; 2021. a butt joint groove; 203. carrying a screen plate; 204. a settling tank; 205. an adsorbing member; 3. a drive member; 301. guiding the fan blade; 4. attaching a plate; 401. a limiting groove; 5. an insulating pad; 501. deforming the cavity; 6. and a buckling plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a low-temperature plasma waste gas treatment device, referring to fig. 1, comprises a reaction frame 1 and a plurality of purification systems 101 positioned in the inner cavity of the reaction frame 1. In this embodiment, the purification system 101 comprises a low-temperature plasma reaction system for degrading gas and pollutant molecules and an activated carbon filter for further adsorbing harmful components in the gas and sufficiently sterilizing, and the number of the activated carbon filter is set to three groups, so as to ensure that the gas can be purified more sufficiently in the reaction rack 1.

Referring to fig. 1, the outer side wall of the reaction frame 1 and the part of each group of purification systems 101 respectively penetrate through the material taking port 102 along the thickness direction, the material taking port 102 is convenient for an operator to maintain or replace components in the purification systems 101, the inner side wall of the reaction frame is provided with a sealed door 2 through a pin rod in a rotating manner, the sealed door 2 is used for sealing the material taking port 102, and therefore the phenomenon that incompletely purified air escapes outwards and generates pollution is reduced.

Referring to fig. 2, the surface of the sealing door 2 facing the purifying system 101 is provided with a plurality of screw grooves 201 at intervals, and the purifying member 202 is screwed into the screw grooves 201. The purifying members 202 are columns made of activated carbon, and all the purifying members 202 are uniformly arranged between the airtight door 2 and the purifying system 101 to adsorb harmful substances in the gas therein and improve the purifying degree of the gas in the inner cavity of the reaction frame 1.

Referring to fig. 3, a spring 2011, preferably a spring, is fixed on the inner side wall of the screw groove 201 and on the surface of the screw groove facing the purification system 101 through a spring seat. The purification piece 202 has seted up butt groove 2021 towards the surface of thread groove 201 direction, and when purification piece 202 inserted in the thread groove 201, the elastic component 2011 atress compressed and supported the butt groove 2021 inner chamber, and it constantly compresses and provides reverse elasticity to purification piece 202 when purification piece 202 screws up through the screw thread, and then has greatly improved the tight degree of being connected between purification piece 202 and the thread groove 201 to the stability of purification piece 202 at the purified gas of reaction frame 1 inner chamber has been ensured.

Referring to fig. 2, a plurality of bearing screen plates 203 are vertically welded on the surface of the airtight door 2 facing the direction of the purification system 101, and the bearing screen plates 203 are grid plates woven by stainless steel wires, so that the airtight door has light weight and strong upper surface carrying capacity. In this embodiment, the number of the carrying net plates 203 is three, and the three carrying net plates are respectively located below the purifying members 202 on the same horizontal line, so as to provide effective support when the purifying members 202 are separated from the screw grooves 201, thereby effectively reducing the phenomenon that the purifying members 202 fall into the inner cavity of the reaction rack 1 and affect the normal purifying gas of the purifying system 101.

Referring to fig. 2, two settling tanks 204 are disposed on the surface of the closed door 2 facing the direction of the purification system 101, the two settling tanks 204 are respectively located at two ends of the closed door 2 in the height direction, and all the purification members 202 are located between the two settling tanks 204. The surfaces of the sealed doors 2 far away from the reaction rack 1 and located in the settling tank 204 are respectively fixed with driving pieces 3 (refer to fig. 1) through screws, and the driving pieces 3 are preferably servo motors, and rotating shafts of the servo motors penetrate through the sealed doors 2 and extend to the inner cavity of the settling tank 204. The outer edge of the rotating shaft of the driving member 3 is welded with a guiding fan blade 301 which is positioned on the inner side wall of the settling tank 204 and rotates along with the rotation of the rotating shaft of the driving member 3. The guiding fan blades 301 push the gas between the sealed door 2 and the purification system 101 to enter the inner cavity of the purification system 101 for purification through wind force generated during rotation, and therefore the phenomenon that the gas escapes from the reaction frame 1 without being completely filtered is reduced.

Referring to fig. 2, a plurality of attachment plates 4 are vertically fixed to the inner side wall of the material taking port 102 by screws, and the attachment plates 4 are made of magnet. The surface of the closed door 2 facing the direction of the attaching plate 4 is vertically welded with a plurality of adsorption pieces 205 at intervals, the adsorption pieces 205 are made of iron and are magnetically attracted with the attaching plate 4, and then the closed door 2 is tightly fixed on the inner side wall of the material taking port 102.

Referring to fig. 2, the suction member 205 has a diamond-shaped longitudinal section and protrudes from one side of the width direction of the sealing door 2. Laminating plate 4 is seted up towards the surface of adsorbing 205 direction and is equated to the spacing groove 401 that adsorbs a 205 quantity, and when airtight door 2 laminated in getting material mouth 102 inside wall, rhombus adsorbs piece 205 and supports into the spacing groove 401 inner chamber completely, and it is through the great external surface area of self, has greatly increased the adsorbed area of laminating between adsorbing piece 205 and the laminating plate 4, and then has strengthened the airtight effect of airtight door 2 at getting material mouth 102 inside wall.

Referring to fig. 2, the surface of airtight door 2 towards laminating board 4 direction is stained with a plurality of spacers 5 that are equal to laminating board 4 size, soft and the easy rubber pad that deforms of the preferred texture of spacers 5, when airtight door 2 is closed in getting material mouthful 102 inside wall, spacers 5 closely laminate between airtight door 2 and laminating board 4, compression deformation when it is through self pressurized to extrude the space that accounts for between airtight door 2 and the laminating board 4, and then reduce the outward phenomenon of effluvium of air in the space between the two.

Referring to fig. 4, a plurality of deformable cavities 501 are arranged at intervals on the inner side wall of the isolation pad 5, and the deformable cavities 501 make the isolation pad 5 become more flexible, so that the isolation pad 5 is compressed and deformed between the attaching plate 4 and the airtight door 2 to be more flat, and further reduce the gap between the attaching plate 4 and the airtight door and reduce the circulation of air flow.

Referring to fig. 1 and 5, the closed door 2 is far away from the surface of the reaction frame 1 and is provided with two buckle plates 6 at two ends in the height direction respectively through pin rotation, and two fixing blocks 103 are welded on one side of the outer side wall of the reaction frame 1 in the width direction of the material taking port 102. The groove of stepping down 104 has been seted up along self thickness direction to the one end that fixed block 103 roof just is located its one end that is close to reaction frame 1 direction, and operating personnel rotates buckle plate 6 and makes its length direction's one end support into the groove of stepping down 104 inner chamber, and it makes the more inseparable laminating of sealing door 2 in getting material mouth 102 inside wall, has reduced between adsorbing member 205 and the binding plate 4 adsorption efficiency not good enough and make 5 jack-up sealing door 2 of isolating pad, and then makes the phenomenon of gaseous outside effusion.

The working principle is as follows:

the end wall of the cleaning element 202 with the direction of the abutting groove 2021 is aligned with the screw groove 201 and screwed in, and one end of the elastic element 2011 in the length direction abuts against the inner end wall of the abutting groove 2021, so that the cleaning element 202 is more firmly fixed on the inner side wall of the screw groove 201. The purifying member 202 purifies the gas by adsorbing harmful substances in the gas, and the driving member 3 drives the guide fan blade 301 to rotate so as to enable the gas to continuously enter the inner cavity of the purifying system 101 for purification, thereby effectively reducing the phenomenon that the free gas escapes from the reaction frame 1 without being completely purified.

The closed door 2 is rotated to make the adsorbing member 205 abut against the inner cavity of the limiting groove 401, at this time, the adsorbing member 205 and the attaching plate 4 are magnetically attracted, and the closed door 2 is closed on the inner side wall of the material taking port 102 to reduce the phenomenon of gas escaping. The locking plate 6 is rotated to push one end of the length direction thereof into the receding groove 104, so that the sealing door 2 is tightly attached to the inner side wall of the material taking port 102.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a low temperature plasma exhaust treatment device, includes reaction frame (1) and a plurality of clean system (101) that are located reaction frame (1) inner chamber, reaction frame (1) lateral wall just is located clean system (101) and runs through along its thickness direction and is provided with material taking port (102), material taking port (102) inside wall rotates and is provided with sealed door (2), its characterized in that: the surface of the closed door (2) facing the direction of the purification system (101) is provided with a plurality of thread grooves (201), and the inner side walls of the thread grooves (201) are provided with purification pieces (202); closed door (2) are provided with subsider (204) towards the surface of clean system (101) direction and the both ends that are located all purification spare (202) direction of height respectively, subsider (204) internal rotation is provided with direction fan blade (301), the surface that reaction frame (1) direction was kept away from in closed door (2) is provided with and is used for driving direction fan blade (301) pivoted driving piece (3).

2. The low-temperature plasma exhaust gas treatment device according to claim 1, wherein: the utility model discloses a purification system, including screw thread groove (201), the lateral wall of screw thread groove (201) inside wall and being located its orientation of purification system (101) is provided with elastic component (2011) perpendicularly, purification component (202) are provided with the butt groove (2021) that elastic component (2011) of being convenient for was supported into towards the surface of screw thread groove (201) orientation.

3. The low-temperature plasma exhaust gas treatment device according to claim 2, wherein: the surface of the closed door (2) facing the direction of the purification system (101) is vertically provided with a plurality of bearing screen plates (203) used for abutting against the purification piece (202).

4. The low-temperature plasma exhaust gas treatment device according to claim 1, wherein: get material mouth (102) inside wall and be provided with a plurality of attaching plate (4) perpendicularly, airtight door (2) are provided with a plurality of pieces of adsorbing (205) towards the surperficial vertical and interval of attaching plate (4) direction, adsorb piece (205) and attach plate (4) magnetism and inhale mutually.

5. The low-temperature plasma exhaust gas treatment device according to claim 4, wherein: the longitudinal section of the adsorption piece (205) is rhombic, and a plurality of limiting grooves (401) which are convenient for the adsorption piece (205) to abut into are arranged on the surface of the attaching plate (4) facing the direction of the adsorption piece (205).

6. The low-temperature plasma exhaust gas treatment device according to claim 5, wherein: the surface of the closed door (2) facing the direction of the attaching plate (4) is provided with a plurality of isolation pads (5).

7. The low-temperature plasma exhaust gas treatment device according to claim 6, wherein: the inner cavity of the isolation pad (5) is provided with a plurality of deformation cavities (501) at intervals.

8. The low-temperature plasma exhaust gas treatment device according to claim 6, wherein: airtight door (2) keep away from the surface rotation of reaction frame (1) direction and be provided with a plurality of buckle boards (6), one side that reaction frame (1) lateral wall just is located material taking mouth (102) width direction is provided with a plurality of fixed blocks (103), fixed block (103) wherein one end is provided with the groove of stepping down (104) that buckle board (6) of being convenient for supported into.