TW201609236A - Anti-explosion purification device using plasma - Google Patents

Abstract

Provided is an anti-explosion purification device using plasma. The anti-explosion purification device comprises a catalyst carrier and an anti-explosion safety housing. The anti-explosion safety housing is provided on the side surface of the catalyst carrier and forms a sealed discharge chamber. The discharge chamber is provided with, in order, a fastening and pressing board, a PCB discharge board evenly distributed with discharge needles, and a grill support board. The PCB discharge board is fastened on the side surface of the catalyst carrier via the grill support board. The discharge needles and the side surface of the catalyst carrier are 0.1 to 10 millimeters apart. The fastening and pressing board is provided between the inner wall surface of the anti-explosion safety housing and the PCB discharge board, and presses the PCB discharge board toward the grill support board. By providing a sealed discharge chamber, combustible gas mixed with air does not enter the discharge chamber. Even if the discharge needles on the PCB discharge board cause electric sparks, the sparks would not detonate the combustible gas.

Description

Explosion-proof plasma

The invention relates to the field of kitchen purification, in particular to an explosion-proof plasma.

With the development of technology and economy, people are increasingly demanding the environment. In order to create a fresh and clean living and working environment, R&D personnel in the field of purification have proposed various purification technologies and produced corresponding purification equipment, for example, Adsorption purification technology (activated carbon filter, photocatalyst filter), UV lamp sterilization technology (UV lamp), air filtration purification technology, ozone disinfection and sterilization technology, negative ion purification air technology (negative ion purifier), electrostatic dust removal technology (electrostatic set) Dust collector) and low temperature plasma technology (plasma purifier).

However, the above-mentioned various commonly used air pollution control technologies are not effective in removing soot exhaust gas, and thus are not suitable for use in a kitchen environment. In order to effectively remove soot exhaust gas, researchers in the field of purification have proposed dielectric plasma and nanoelectronics. Pulp purification technology, for example, the engine fume decomposition device developed and sold by Suzhou Wangde Technology Co., Ltd. (patent application number CN201210387337.3) and combined fume discharge reactor (patent application number CN201220203882.8), dielectric plasma and nai Rice plasma complements the kitchen space, sterilizes, deodorizes, decomposes VOCs and settles particles in the air, purifies the interior air of the kitchen and improves the air quality of the kitchen.

However, in environments with high concentrations of organic gases or flammable and explosive gases, such as closed kitchen environments, mines, caves or tunnels, soot gas and gas gas purification conditions, there is a deflagration phenomenon, causing a combustion explosion in severe cases. Harmful to human safety, so it is necessary The dielectric plasma and the nano plasma are modified to be suitable for the above conditions.

The present inventors have in view of the above-mentioned practical difficulties in purifying the kitchen environment soot exhaust gas purification technology and the lack of improvement, and hope to provide a breakthrough design to enhance the practical effect, which is a painstaking research and design system, and comprehensively After years of professional technical knowledge and practical experience in the design and production of related products and the results of research and design, I finally developed an explosion-proof plasma to provide users.

The technical problem to be solved by the present invention is to overcome the above-mentioned defects of the dielectric plasma and the nano plasma of the prior art, and to provide an explosion-proof plasma which does not deflagrate and is suitable for a closed kitchen environment, an industrial exhaust gas environment, Living production environment such as mines, letter holes or tunnels.

The invention solves the above technical problem by the following technical solutions: an explosion-proof plasma, characterized in that the explosion-proof plasma comprises a catalyst carrier and an explosion-proof safety shell, and the explosion-proof safety shell is disposed on the catalyst carrier And forming a closed discharge cavity in the discharge cavity, wherein the discharge cavity is sequentially provided with a fixed pressure plate, a PCB discharge board uniformly distributed with the discharge needle, and a grid support plate, and the PCB discharge board is supported by the grid The plate is fixed on a side surface of the catalyst carrier, the discharge pins are spaced apart from the side surface of the catalyst carrier by 0.1 mm to 10 mm, and the fixed platen is disposed between the inner wall surface of the explosion-proof containment and the PCB discharge plate And for pressing the PCB discharge board to the grid support plate.

Preferably, the explosion-proof plasma further comprises an explosion-proof junction box, a plasma casing and a plasma cover plate, the plasma cover plate is buckled on the plasma casing and forms a purification cavity, the explosion-proof The safety shell and the catalyst carrier are disposed in the purification chamber, and the air inlet of the plasma housing, the purification core of the catalyst carrier and the air outlet of the plasma housing are sequentially connected to each other. The junction box is fixed on the plasma cover plate, and the explosion-proof junction box is used for collecting the power supply wires of the PCB discharge board, and the explosion-proof junction box can select the BXJ-20 type increased safety explosion-proof type produced by Yueqing Chuangan Explosion-proof Electric Co., Ltd. Junction Box.

Preferably, the sealing port between the catalyst carrier and the explosion-proof safety shell is potted with a flame-retardant epoxy resin, and the sealing port between the plasma housing and the plasma coating plate is made of flame-retardant epoxy. Resin potting, explosion-proof safety shell, plasma shell and plasma cover can be made of high-insulation materials, such as flame-retardant epoxy resin, aramid, polytetrafluoroethylene, polyvinyl chloride, silicone, etc. to ensure The dielectric discharge reactor has no charge leakage.

Preferably, a return frame is fixed at the air inlet of the purification core and the air outlet of the purification core, and the sealing port between the return frame and the explosion-proof safety shell is made of flame-retardant epoxy resin. Potting, flame-retardant epoxy resin potting can withstand 1800V voltage without breakdown, and the potting thickness is more than 4mm, so that the high-voltage power supply and the dielectric discharge reactor have no external discharge, which can ensure the explosion-proof performance of the power supply for a long time. The discharge may be on fire.

Preferably, the cleanup chamber is further provided with four power barriers, and the two power barriers of the power shields are disposed at the air inlet of the purification core, and the other two of the power shields The power barrier is disposed at the air outlet of the purification core, and the power barriers are all provided with a vent, and the vents of the two adjacent power barriers are staggered from each other, and the vents are provided with creepage ladder.

Preferably, the air inlet of the plasma housing and the air outlet of the plasma housing are provided with a plugging slot and a safety net, and the safety nets are inserted into the plugging slots.

The positive progress of the present invention is that by providing a sealed discharge cavity, the combustible gas mixed with air does not enter the discharge cavity, and even if the discharge needle of the PCB discharge board releases the spark, the combustible gas is not detonated. The discharge needles are 0.1 mm apart from the side surface of the catalyst carrier Up to 10 mm, a secondary discharge can be formed, that is, the discharge needle forms a tip discharge, which indirectly induces the formation of the same electrical, high-density and uniform ion group inside the catalyst carrier.

In order to enable the reviewing committee to better understand the features of the present invention and its efficacy, it is described in detail with reference to the drawings.

(1)‧‧‧Plastic shell

(10) ‧‧‧Explosion-proof junction box

(11) ‧‧‧ potting strips

(12)‧‧‧ potting strips

(14)‧‧‧ Socket slots

(15)‧‧‧Grid support plate

(2)‧‧‧Return frame

(3) ‧‧‧catalyst carrier

(4)‧‧‧PCB discharge board

(41)‧‧‧discharge needle

(5) ‧‧‧Fixed platen

(6) ‧‧‧Explosion-proof containment

(7)‧‧‧Electrical guardrail

(70) ‧ ‧ vents

(71)‧‧‧Climbing stairs

(8) ‧‧‧Safety Net

(9)‧‧‧Plastic cover

1 is a schematic view showing the structure of an explosion-proof plasma according to a preferred embodiment of the present invention.

2 is a schematic view showing the structure of the explosion-proof plasma of FIG. 1 after removing the plasma cover.

3 is a schematic view showing the structure of the discharge core of the explosion-proof plasma of FIG. 1.

4 is a partial structural schematic view of the explosion-proof plasma of FIG. 2.

The invention will be described more clearly and fully hereinafter with reference to the accompanying drawings.

The structure of the explosion-proof plasma of this embodiment is as follows: Please understand with reference to Figures 1-3, the explosion-proof plasma of the embodiment includes a catalyst carrier (3) and an explosion-proof safety shell (6), the explosion-proof safety shell ( 6) being disposed on a side surface of the catalyst carrier (3) and forming a sealed discharge cavity, wherein the discharge cavity is sequentially provided with a fixed platen (5) and a PCB uniformly covered with a discharge needle (41) a discharge plate (4) and a grid support plate (15), the PCB discharge plate (4) being fixed to a side surface of the catalyst carrier (3) through the grid support plate (15), the discharge pins ( 41) 0.1 mm to 10 mm from the side surface of the catalyst carrier (3), 4.5 mm, 5 mm or 5.5 mm in actual production, the fixed platen (5) being disposed in the explosion-proof containment (6) Between the inner wall surface and the PCB discharge board (4), the PCB discharge board (4) is pressed against the grid support board (15).

The explosion-proof plasma further includes an explosion-proof junction box (10), a plasma case (1) and a plasma cover plate (9), and the plasma cover plate (9) is snapped to the plasma case ( 1) forming a purification chamber, the explosion-proof safety shell (6) and the catalyst carrier (3) are both disposed in the purification chamber, the air inlet of the plasma housing (1), the catalyst carrier (3) The purifying core and the air outlet of the plasma housing (1) are in communication with each other, and the explosion-proof junction box (10) is fixed on the plasma cover (9), and the explosion-proof junction box (10) is used for collecting The power supply wire of the PCB discharge board (4).

The sealing port between the catalyst carrier (3) and the explosion-proof safety shell (6) is potted with a flame-retardant epoxy resin, specifically, the air inlet of the catalytic core of the catalyst carrier (3) and the contact A return frame (2) is fixed at the air outlet of the purification core of the medium carrier (3), and a flame-retardant ring is adopted for the sealing port between the return frame (2) and the explosion-proof safety shell (6). Oxygen resin potting, please understand in conjunction with the potting strip (11) in Figure 4, the sealing port between the plasma shell (1) and the plasma cover (9) is also flame retardant epoxy resin Seal, please understand in conjunction with the potting strip (12) in Figure 4.

Please also be understood in conjunction with FIG. 2 and FIG. 4, the cleaning chamber is further provided with four electric barriers (7), and two of the electrical barriers (7) are disposed on the catalyst. At the air inlet of the cleaning core of the carrier (3), the other two power barriers (7) of the power barriers (7) are disposed at the air outlet of the cleaning core of the catalyst carrier (3). The power barriers (7) are each provided with a vent (70), and the vents (70) of the two adjacent power barriers (7) are staggered from each other, and the vents (70) are provided with climbing Electrical ladder (71).

As understood with reference to Figure 4, the air inlet of the plasma housing (1) and the air outlet of the plasma housing (1) are provided with a socket (14) and a safety net (8). The safety net (8) is inserted into the insertion slots (14).

The working principle of the explosion-proof plasma of this embodiment is as follows: Please understand with reference to FIG. 1-4, an organic gas (soot exhaust gas or gas gas) is input into the air inlet of the plasma casing (1) by an air blower, organic gas. The vents (70) of the electrical barrier (7) are sequentially flowed into the catalyst carrier (3), thereby indirectly inducing the same electrical, high-density and uniform ion group inside the catalyst carrier (3). The problem of generating an electric arc deflagration organic gas, in addition, the explosion-proof safety shell (6) is disposed on the side surface of the catalyst carrier (3) and forms a closed discharge cavity, which can prevent the combustible gas from entering the discharge cavity, and The arc capable of preventing the tip discharge is introduced into the catalyst carrier (3), so that no detonation phenomenon occurs, and it is suitable for a closed kitchen environment, a mine, a hole or a tunnel, and the decomposed organic gas from the plasma case ( 1) The air outlet is discharged.

The explosion-proof plasma of this embodiment has the following technical effects:

First, the combustible gas is not detonated. On the one hand, by providing a sealed discharge cavity, the combustible gas mixed with air does not enter the discharge cavity, even if the discharge needle (41) of the PCB discharge board (4) releases the spark, It also does not detonate the combustible gas. In other words, the high voltage of the discharge reactor and the organic gas generate a micro-discharge that does not heat up, and is silent, dull, and ozone-free. On the other hand, the discharge needles (41) and The side surfaces of the catalyst carrier (3) are separated by 0.1 mm to 10 mm, and a secondary discharge can be formed, that is, the discharge needle forms a tip discharge, thereby indirectly inducing the same electrical property inside the catalyst carrier (3), high density and uniformity. Ion group.

Second, the seal is firm and does not leak, by sealing the seal between the catalyst carrier (3) and the explosion-proof containment (6) and the plasma housing (1) and the plasma cover by using a flame-retardant epoxy resin. The sealing port between the plates (9) prevents the organic gas from penetrating into the discharge cavity from the gap of the sealing port, and also prevents the plasma from leaking from the gap. The flame-retardant epoxy resin seal can ensure the tightness at the sealing port. Solid, electrical insulation and heat resistance, suitable for high-voltage discharge environment. Under the sealed and isolated structure, no fresh air is in contact with the electrode, the electrode will not be oxidized, and the discharge will remain. Efficacy, however, in the purification of the cavity, no discharge of open flame, only in the production of a large number of high-speed ions, so the concentration of organic gases is high and there is no possibility of combustion and deflagration.

Third, the high-voltage electric field is restrained and the length of the explosion-proof plasma is shortened, and the vents (70) of the two adjacent electric barriers (7) are staggered from each other to keep the organic gas flowing smoothly, and the vent (70) The creepage ladder (71) is set to be able to restrain the high-voltage electric field. After the electric barrier (7) is added, the length of the explosion-proof plasma can be shortened to two-thirds of the original length and the plasma will not be leaked.

Fourth, no spark and ozone generation, please understand in conjunction with Figure 3, in order to test the purification ability of metal particles of different particle sizes, in the purification core of the catalyst carrier (3) is distributed with a plurality of diameters of 3 mm to 5mm steel ball, the actual test DC power supply voltage is 200KV, the discharge electrode is about 2mm away from the catalyst carrier (3), there is still no discharge sound and spark in the catalyst carrier (3), in other words, this embodiment The explosion-proof plasma can also be used to purify metal dust particles generated in the factory.

While the invention has been described with respect to the specific embodiments of the present invention, it should be understood that the scope of the invention is defined by the scope of the appended claims. A person skilled in the art can make various changes or modifications to the embodiments without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the invention.

(1)‧‧‧Plastic shell

(11) ‧‧‧ potting strips

(12)‧‧‧ potting strips

(2)‧‧‧Return frame

(6) ‧‧‧Explosion-proof containment

(7)‧‧‧Electrical guardrail

(8) ‧‧‧Safety Net

Claims (6)

An explosion-proof plasma, characterized in that the explosion-proof plasma comprises a catalyst carrier and an explosion-proof safety shell, the explosion-proof safety shell is disposed on a side surface of the catalyst carrier and forms a sealed discharge cavity, the discharge A fixed pressure plate, a PCB discharge board uniformly distributed with the discharge needle, and a grid support plate are disposed in the cavity, and the PCB discharge board is fixed on the side surface of the catalyst carrier through the grid support plate. The discharge pin is spaced from the side surface of the catalyst carrier by 0.1 mm to 10 mm, and the fixed platen is disposed between the inner wall surface of the explosion-proof containment and the PCB discharge plate for pressing the PCB discharge plate toward the grid Support plate. The explosion-proof plasma according to claim 1, wherein the explosion-proof plasma further comprises an explosion-proof junction box, a plasma housing and a plasma cover, the plasma cover is buckled Forming a purification chamber on the plasma housing, the explosion-proof safety shell and the catalyst carrier are disposed in the purification chamber, the air inlet of the plasma housing, the purification core of the catalyst carrier, and the plasma The air outlets of the housing are in communication with each other, and the explosion-proof junction box is fixed on the plasma cover, and the explosion-proof junction box is used to collect the power supply wires of the PCB discharge board. The explosion-proof plasma according to claim 2, characterized in that the sealing port between the catalyst carrier and the explosion-proof safety shell is potted with a flame-retardant epoxy resin, the plasma housing and the electricity The sealing port between the slurry cover is potted with flame retardant epoxy resin. The explosion-proof plasma according to claim 3, wherein the air inlet of the purification core and the air outlet of the purification core are fixed with a return frame, and the return frame and the explosion-proof frame The seal between the containment is potted with a flame retardant epoxy resin. The explosion-proof plasma according to any one of claims 2 to 4, characterized in that the cleaning chamber is further provided with four electric barriers, and the two power barriers in the power barriers are arranged. At the air inlet of the purification core, the other two power barriers in the power barrier are disposed at the air outlet of the purification core, and the power barriers are provided with a vent, adjacent The vents of the two isolated guardrails are staggered from each other, and the vents are provided with a creepage ladder. The explosion-proof plasma according to claim 2, wherein the air inlet of the plasma housing and the air outlet of the plasma housing are provided with a socket and a safety net, and the safety is provided. The net is inserted into the plug slots.