WO2017124636A1

WO2017124636A1 - Ddbd plasma odour treatment device

Info

Publication number: WO2017124636A1
Application number: PCT/CN2016/077429
Authority: WO
Inventors: 李瑞莲; 边少卿; 张建平
Original assignee: 山东派力迪环保工程有限公司
Priority date: 2016-01-22
Filing date: 2016-03-25
Publication date: 2017-07-27
Also published as: CN105498483B; CN105498483A

Abstract

Disclosed is a DDBD plasma odour treatment device comprising a shell (4), wherein the two ends of the shell (4) are provided with an air inlet (6) and an air outlet (10) respectively with the air inlet (6) being in communication with the air outlet (10) through an air duct (12), and a plasma generating module (1), a power module (3), a high-voltage conversion module (2), an overflow part module, a module for uniformly distributing air (7) and an online sprinkling and washing module (8) are arranged inside the shell (4).

Description

Manual Title: DDBD Plasma Odor Control Device Technical Field

[0001] The present invention relates to a DDBD plasma odor management device, and belongs to the technical field of exhaust gas treatment devices.

Background technique

[0002] Double Dielectric Barrier Discharge (DDBD) is a reliable and economical method for generating low temperature (non-equilibrium) plasma under normal pressure conditions. It is widely used in ozone synthesis, vacuum ultraviolet light source, material surface treatment and environmental protection. And other fields. Engineering practice shows that DDBD technology can be used to treat a variety of gaseous pollutants, such as volatile organic compounds VOCs, malodorous substances, benzene (such as benzene, xylene), perfluorocarbon (such as C2F6), carbon halide compounds ( Such as CF2ClBr, CFC), dioxins and so on. Due to its large space uniform discharge with glow discharge and high pressure operation of corona discharge, it has become an effective technology for exhaust gas treatment in industrial and commercial space with industrial application prospects.

[0003] The double-medium barrier discharge generates a plasma which is first bursted and put into the exhaust gas treatment. The casing type device has a high discharge density and can handle a relatively high concentration of exhaust gas, but the amount of exhaust gas is very limited due to structural limitation. , low performance, limited application. At present, the application of the platoon-type plasma discharge disk as the core of the grading device, the patent number ZL200920211337.1 of the Chinese patent public 幵 a class of low-temperature plasma discharge industrial waste gas treatment device, the processing capacity is A certain improvement has been made, but in actual application, it is found that the equipment is not perfect, the operation is unstable, the damage rate is high, and it is difficult to promote and apply in the exhaust gas treatment industry.

technical problem

[0004] According to the above deficiencies in the prior art, the technical problem to be solved by the present invention is: providing a DDBD plasma odor control device, which can efficiently treat industrial waste gas and odor gas, has perfect functions and protection, and is safe and stable in operation. Easy to use, low damage rate and low maintenance.

Problem solution

Technical solution

[0005] The DDBD plasma odor management device of the present invention comprises a casing, and an air inlet and an air outlet are respectively disposed at two ends of the casing, and the air inlet and the air outlet are connected through a air passage, and a plasma generating module is disposed in the outer casing , power module, high voltage conversion module, overcurrent component module, air volume uniform module, online spray rinsing module;

[0006] The plasma generating module includes at least one row of plasma discharge discs, and the row-type plasma discharge disc is located in the air duct, the wind in the air duct flows in from the side of the row-type plasma discharge disc, and the other side flows out; After passing through the discharge disk, after the electrode is connected to the high-voltage high-frequency power source, the gas between the dielectric layers is broken down, and the energy-carrying electrons with high density and high energy are generated, and the high-energy electrons collide with the gas molecules to generate active oxygen, ozone, and hydroxyl groups. Active groups such as radicals, these reactive groups interact with the pollutants in the exhaust gas to cause them to be broken into molecular fragments, and even directly degraded into non-polluting substances such as CO 2 and H 20 , thereby purifying the VOCs, malodorous odor molecules and the like.

[0007] The high-voltage conversion module includes a plurality of sets of high-voltage transformers and high-voltage transformer fuel tanks, and the high-voltage transformers are connected with the row-type plasma discharge discs one by one; the input voltage can be transformed, and the IKHz-50KHZ is sent from the power module, 150V-1000V pulse power supply is converted to IKHz -50KHz

, 15000V-50000V high voltage pulse power supply.

[0008] The power module includes a plurality of power sources, and the power source is connected to the high voltage transformer one by one; the main function is to convert the input 150V-1000V, 50Hz conventional industrial alternating current into 150V-1000V, IKHz-50KHz high frequency pulse current output. Provided to the subsequent high voltage conversion module.

[0009] The flow component module includes a bracket, the bracket is located in the air duct, the bracket is provided with a plurality of slots, and the slot is equipped with a row-type plasma discharge disc; the flow component module defines a flow space of the exhaust gas, Or the carrier of the plasma disk combination arrangement, the internal space of the flow-through component module is the main place for the low-temperature plasma to purify the exhaust gas, and the airflow enters from one end of the flow-flow component, and vertically passes through the gap between the electrode tubes in the plasma discharge disk. The other end is discharged.

[0010] The air volume uniformity module comprises a plurality of air distribution plates which are respectively arranged in a radial shape, and the air distribution plate is located between the air inlet and the plasma generating module; uniformly distributes the airflow into the entire plane of the flow passage member, so that there is no eddy current in the exhaust gas passage

, short flow, bias flow.

[0011] The on-line spray rinsing module comprises a plurality of atomizing nozzles, and the atomizing nozzles are connected to the water supply pipes through the connecting pipes, and the atomizing nozzles are in one-to-one correspondence with the platoon-type plasma discharge disks; in the use of the plasma devices, the exhaust gas is carried and the organic matter is carried The organic acids, organic alcohols and aerosols produced after decomposition are easily deposited on the wall of the plasma tube to form a coking material, which affects the normal discharge of the plasma and is prone to partial discharge, thus affecting the pollution. The efficiency of dye treatment, and most of these deposits are flammable substances, which can easily cause safety problems. The spray rinsing module performs on-line rinsing of the plasma disk, and removes deposits on the tube wall to avoid coking and eliminate normal plasma. Discharge interference and safety hazards.

[0012] Preferably, the platonic plasma discharge disk comprises a disk frame and a plasma tube, and the metal frame plate is arranged at two ends of the disk frame, and the metal frame plate is provided with a plurality of through holes, and the corresponding correspondence between the two metal frame plates A plasma tube is installed at the hole; the insulation between the positive and negative electrodes and between the electrode and the metal frame plate is realized by the insulation property of the barrier medium itself, and the requirements for safe use are achieved, and the existing insulating frame plate is changed into a metal frame plate, and the metal is used. The shelf plate fixes the electrode with the dielectric barrier and completes the sealing of the device, eliminating the disadvantages of the insulating shelf.

[0013] The plasma tube comprises an electrode discharge tube and a ground electrode discharge tube, wherein the electrode discharge tube is provided with a high voltage electrode, the ground electrode discharge tube is provided with a ground electrode, and in the adjacent two rows of plasma tubes, one row is an equally spaced electrode. The discharge tube, the other row is a ground electrode discharge tube arranged at equal intervals, and the adjacent two rows of plasma tubes are arranged in an empty space;

[0014] The electrode discharge tube leads the positive lead, the ground electrode discharge tube leads the negative lead, the positive and negative lead are located at the same end of the metal frame; the metal frame on one end of the positive and negative lead is provided with a metal cover, and the metal cover is filled Arc extinguishing material; use the arc extinguishing material to wrap the electrode, extinguish the high voltage arc, and then seal the electrode end with a metal outer cover from the outside, and shield the electromagnetic radiation with the same material of the arc extinguishing material, and the positive and negative electrode leads are all Outside the exhaust gas overflow passage, the exhaust gas is only in contact with the quartz plasma tube, and does not cause corrosion to the discharge disk member and the electrode.

[0015] Preferably, the plasma tube is made of inorganic material sintered, the plasma tube is provided with a conductor, the plasma tube has a mouth end at one end and a blind end at the other end, and the positive and negative lead wires are led out from the mouth end of the plasma tube, 幵An insulated inner lining short tube is arranged in the mouth end, and between the positive and negative lead wires and the inner lining short tube, and the inner lining short tube and the plasma tube are bonded by a sealant; avoiding arcing between the electrode lead and the metal frame plate Discharge, prevent the metal frame from being damaged by breakdown.

[0016] Preferably, the air inlet and the overcurrent component module are connected by a conical head, and the air outlet and the overcurrent component module are connected by a conical head.

[0017] Preferably, the on-line spray rinsing module further comprises a solenoid valve for controlling the shut-off of the atomizing nozzle, and the rinsing module can be started in the device to realize the automatic rinsing without stopping the parking, bringing the maintenance operation to the device. Great convenience. [0018] Preferably, the conical outer casing between the air outlet and the flow component module is provided with a plurality of pressure relief holes, and the pressure relief hole is provided with a diaphragm, and the pressure inside the equipment is too high, and the diaphragm will be blasted to release pressure. , to avoid damage to the plasma main structure and adjacent equipment.

[0019] Preferably, the overcurrent component module is provided with a plurality of temperature sensors, the temperature sensor is connected to the controller, and the controller interlocks the electromagnetic valve. When the temperature is too high, the plasma device is automatically stopped, and the electromagnetic of the online spray rinsing module is started. Valve, spray water into the equipment flow passage to cool down or extinguish the fire.

[0020] Preferably, the housing is provided with a smoke sensor probe, the smoke sensor probe is connected to the controller, and the controller interlocks the solenoid valve. When smoke is detected in the monitoring range, the plasma device is automatically stopped, and the online spray rinse module is started. The solenoid valve sprays water into the device's over-current passage to extinguish the fire.

[0021] Preferably, the atomizing nozzle is a high-efficiency atomizing stainless steel nozzle, and the connecting tube is a stainless steel connecting hose, which is corrosion resistant and easy to adjust position for optimal flushing effect.

[0022] Preferably, the outer end surface of the inner tube and the outer end surface of the blind end are 5-10 mm beyond the metal frame.

Advantageous effects of the invention

Beneficial effect

[0023] The present invention has the beneficial effects compared with the prior art:

[0024] The DDBD plasma odor management device is a device configured with a plurality of functional modules for efficiently processing industrial exhaust gas and odorous gas, and the device combines various technologies to realize high-density plasma low-temperature generation, safe and stable operation of equipment, The functions such as reduced power consumption, simple operation and convenient maintenance can greatly promote the application of low temperature plasma technology.

Brief description of the drawing

DRAWINGS

1 is a schematic structural view of the present invention;

2 is a schematic structural view of a plasma discharge disk of a row type;

3 is a schematic structural view of a plasma tube;

4 is a schematic structural view of a current flowing component module;

[0029] FIG. 5 is a schematic diagram of a workflow principle.

[0030] In the figure: 1, plasma generation module; 2, high voltage conversion module; 3, power module; 4, housing; 5, conical head; 6, air inlet; 7, air volume uniform module; 8, online Spray rinsing module; 9, pressure relief 10; air outlet; 11, bracket; 12, air duct; 13, slot; 1-1, metal frame; 1-2, shelf; 1-3, ground electrode discharge tube; Electrode discharge tube; 1-5, metal cover; 1-6, arc extinguishing material; 1 - butyl, positive lead; 1-8, negative lead; 1-9, blind end; 1-10, electrical conductor; , lined short tube; 1 -12, sealant; 1-13, electrode lead; 1-14, mouth end; 1-15, insulation.

BEST MODE FOR CARRYING OUT THE INVENTION

[0031] Embodiments of the present invention are further described below in conjunction with the accompanying drawings:

[0032] As shown in FIG. 1 and FIG. 5, the DDBD plasma odor management device includes a casing 4, and an air inlet 6 and an air outlet 10 are respectively disposed at two ends of the casing 4, and the air inlet 6 and the air outlet 10 are communicated through the air duct 12, and the outer casing 4 is provided with a plasma generating module 1, a power module 3, a high voltage conversion module 2, a flow component module, an air volume uniform module 7, and an online spray rinse module 8;

[0033] The plasma generating module 1 includes at least one row of plasma discharge discs, the row-type plasma discharge disc is located in the air duct 12, and the wind in the duct 12 flows from the side of the row-type plasma discharge disc, and the other side The principle of plasma generation is as follows: The adjacent positive and negative electrodes are separated by two layers of inorganic insulating tubes to form a double dielectric barrier discharge, and the exhaust gas to be treated passes through the gap between the electrode tubes, and the electrodes are connected to the high-voltage high-frequency power source. After that, the gas between the dielectric layers is broken down, and the energy-carrying electrons with high density and high energy are generated, and the high-energy electrons collide with the gas molecules to generate active groups such as active oxygen, ozone, hydroxyl radicals, and the like. The role of the pollution component, which is cracked into molecular fragments, and even directly degraded into non-polluting substances such as CO 2 and H 20 , thereby purifying the VOCs, malodorous odor molecules and the like.

[0034] The high-voltage conversion module 2 includes a plurality of sets of high-voltage transformers and high-voltage transformer fuel tanks, and the high-voltage transformers are connected with the row-type plasma discharge discs one by one; the high-voltage transformer adopts a kind of eddy current of the Chinese patent publication No. ZL201120552385.4 Small high-voltage transformer, which is resistant to high voltage, high frequency, long-term durability, light and convenient. Through the difference of the number of turns of the primary and secondary coils of the transformer, the input voltage can be transformed, and 1 KHz will be delivered from the power module. 50KHz, 150V-1000V

The pulse power supply is converted into a high-voltage pulse power supply of 1 KHz -50KHz and 15000V-50000V. The high-voltage high-frequency operation of the transformer does not generate eddy current, so that it has no energy consumption and reduces the overall power consumption of the device. The transformer fuel tank is made of metal with high thermal conductivity, which has good heat dissipation effect. The tank is filled with transformer oil for heat conduction and insulation. The inside of the box is provided with a baffle structure to enhance the disturbance between the hot and cold oil bodies and enhance heat dissipation. [0035] The power module 3 includes a plurality of power sources, and the power source is connected to the high voltage transformer one by one. The power source adopts an integrated power source, and the driving power source portion and the output portion are integrated into one body, thereby reducing unstable factors such as wiring. The main function of the power module 3 is to convert the input 150V-1000V, 50Hz conventional industrial alternating current into 150V-1000V, lKHz-50KHz high-frequency pulse current output, and provide it to the subsequent high-voltage conversion module 2. At the same time, the power module 3 is provided with a current display and an adjustment panel, which can adjust the input current according to the exhaust gas concentration, thereby changing the plasma discharge density, and obtaining the best purification effect with the lowest energy consumption.

[0036] The power module 3 and the high-voltage conversion module 2 may be integrally installed with the main device according to the design of the device structure, or may be independently placed with the device and placed close to the device.

[0037] As shown in FIG. 4, the flow-through component module includes a bracket 11, the bracket 11 is located in the air duct 12, the bracket 11 is provided with a plurality of slots 13, and the slot 13 is provided with a row-type plasma discharge disc; The inside of the outer casing 4 is welded by a stainless steel plate to form a duct 12, and the air duct 12 is provided with a bracket 11 of stainless steel, and the plasma discharge disc is mounted on the bracket 11 through a notch 13 of the stainless steel plate, and the metal frame passing through the lead end of the electrode wire The plate 1-1 is sealed to the stainless steel plate, and each part is made of a corrosion-resistant material. The internal space of the flow-through member is the main place for the low-temperature plasma to purify the exhaust gas. The airflow enters from one end of the flow-passing member, passes vertically through the gap between the electrodes in the plasma disk, and is discharged from the other end.

[0038] In addition to the flow space of the exhaust gas, the flow-discharging member is also a carrier in which the plasma discharge disks are arranged in combination, and the plasma discharge disks may be arranged side by side in the lateral flow direction or vertically in parallel at a certain interval in the flow-flow member. Different air volumes and different concentrations of exhaust gas can be treated by series or parallel combination of overcurrent component modules. The parallel connection of the flow-through component modules can expand the cross-sectional size of the exhaust gas passage and adjust the amount of exhaust gas to be treated, which can realize the processing capacity of a single equipment from 100 m3/h to -100,000 m3/h; the series connection can increase the number of exhaust gas treatment stages, so that the exhaust gas passes through several times. Plasma bombardment, the higher the series series of modules, the higher the concentration of exhaust gas that can be treated, in order to achieve effective purification of multi-component, high-concentration VOCs and high-odor odor gas.

[0039] The air volume uniform module 7 includes a plurality of air distribution plates which are radially arranged, and the air distribution plate is located between the air inlet 6 and the plasma generating module 1; the air distribution plate is welded and fixed on the conical head, and uniformly The exhaust gas from the air inlet duct is divided into a plurality of air flows, and the number and arrangement position and angle of the air distribution plates are determined according to the plane size of the overcurrent components, that is, the number of plasma generating modules per layer.

[0040] The on-line spray rinsing module 8 includes a plurality of atomizing nozzles, and the atomizing nozzles are connected to the water supply pipe through a connecting pipe, and the atomizing nozzles are in one-to-one correspondence with the row-type plasma discharge disks, and an atomizing spray is arranged above each of the plasma discharge disks. The nozzle is connected with the water supply and control system to form a spray rinsing module, which performs on-line rinsing of the plasma discharge disk, and removes deposits on the pipe wall to avoid coking, eliminating interference to the normal discharge of the plasma and safety hazards.

[0041] As shown in FIG. 2, the row-type plasma discharge disk comprises a disk holder 1-2 and a plasma tube, and the frame 1-2 is provided with a metal frame plate 1-1 at both ends, and the metal frame plate 1-1 is provided. a plurality of through holes, and a corresponding through hole between the two metal frame plates 1-1 is provided with a plasma tube;

[0042] The plasma tube comprises an electrode discharge tube 1-4 and a ground electrode discharge tube 1-3, a high voltage electrode is arranged in the electrode discharge tube 1-4, and a ground electrode is arranged in the ground electrode discharge tube 1-3, and two adjacent rows In the plasma tube, one row is equally spaced electrode discharge tubes 1-4, and the other row is equally spaced ground electrode discharge tubes 1-3, and two adjacent rows of plasma tubes are arranged in an empty space;

[0043] The electrode discharge tube 1-4 leads the positive electrode lead 1-7, the ground electrode discharge tube 1-3 leads the negative electrode lead 1-8, and the positive and negative lead wires 1-7, 1-8 are located in the same metal frame 1-1. The positive lead 1-7 is connected to the high voltage cable through the insulating member 1-15, and the negative lead 1-8 is fixed on the tray 1-2, and the whole device is grounded; at the positive and negative leads 1-7, 1-8 end The metal frame 1 is provided with a metal cover 1-5, and the metal cover 1-5 is filled with an arc extinguishing material 1-6. The positive and negative lead wires 1-7 and 1-8 are located at the same end of the metal frame plate 1-1 as an improved plasma discharge disk. The existing plasma discharge disk is a positive and negative electrode lead at both ends of the shelf plate, and the plasma generating module 1 A row-type plasma discharge disk of the existing structure may also be used.

[0044] As shown in FIG. 3, the plasma tube is made of an inorganic material sintered, the plasma tube is provided with a conductor 1-10 and an electrode lead 1-13, and one end of the plasma tube is a mouth end 1-14, and the other end is a blind end. 1-9, positive and negative lead wires 1-7, 1-8 are taken out from the mouth end 1-14 of the plasma tube, and the insulating end liner 1-11 is provided in the mouth end 1-14, the positive and negative lead wires 1 Between -7, 1-8 and the inner lining short tube 1-11, the inner lining short tube 1-11 and the plasma tube are bonded by a sealant 1-12.

[0045] The plated plasma discharge disk used has a metal frame plate 1-1 as a fixed unit of a plasma tube, and has a lighter weight, high processing precision, and high mechanical strength than a conventional inorganic or organic insulating material. Good maintainability; The contact between the plasma tube and the metal frame plate 1-1 is in the form of inorganic insulating lining short tube 1-11 and blind end 1-9 at both ends, avoiding spark discharge at the contact part and ensuring equipment safety. The positive and negative leads 1-7 and 1-8 are all taken out from one end, and the negative electrode is no longer placed inside the air flow channel to avoid corrosion of the electrode wire; the metal cover 1-5 is placed at the lead end of the electrode wire and filled with insulation. Arc material 1-6, eliminated The interference of arcing discharge and electromagnetic radiation.

[0046] The air inlet 6 and the overcurrent component module are connected by a conical head 5, and the air outlet 10 and the overcurrent component module are connected by a conical head 5.

[0047] The on-line spray rinsing module 8 further comprises a solenoid valve for controlling the shut-off of the atomizing nozzle, and the solenoid valve is selected from a stainless steel solenoid valve for precise control and acid and alkali corrosion resistance, and can be cleaned by adding acid and alkali under special working conditions. The need for liquid. The flushing operation can be set to both automatic and manual modes.

[0048] A plurality of pressure relief holes 9 are disposed on the conical head 5 between the air outlet 10 and the flow component module, and a diaphragm is disposed at the pressure relief hole 9, and the diaphragm can withstand the negative pressure under normal operation of the device. Or micro-positive pressure, when the pressure in the device over-current component rises rapidly due to combustion, etc., the diaphragm will withstand the pressure 吋, the diaphragm will blast, the pressure will be quickly released from the diaphragm port, thus avoiding the plasma main structure And adjacent equipment causes damage.

[0049] The flow component is provided with a plurality of temperature sensors, the temperature sensor is connected to the electromagnetic valve through the controller, and the internal temperature of the device is monitored, and the monitoring data is interlocked, and the specific interlocking action is: when the temperature is higher than The set value 吋, such as 60 °C, will automatically stop the plasma device, and the sound and light alarm will prompt the operator to start the solenoid valve of all the online spray rinsing module 8 and spray water into the device over-flow channel to cool down or extinguish the fire. .

[0050] The casing 4 is provided with a smoke sensor probe, and the smoke sensor probe is connected to the electromagnetic valve through the controller. When smoke is detected in the monitoring range, the smoke sensor emits an audible and visual alarm, and the same trigger triggers interlocking, and the plasma is automatically stopped. The device starts the solenoid valve of all the online spray flushing modules 8 and sprays water into the device overflow passage to extinguish the fire.

[0051] The atomizing nozzle is a high-efficiency atomizing stainless steel nozzle, the nozzle has corrosion resistance, uniform spray distribution, strong impact force, effective scouring on the surface of the plasma disk, and the connecting pipe is a stainless steel connecting hose, which is corrosion resistant and easy Adjust the position to obtain the best flushing effect. The water supply pipe is made of PPR water supply pipe. It is easy to install and maintain, easy to maintain, no effect of water rust, anti-aging, long service life. The flushing water source can be provided by the flushing water tank of the complete set, or directly The external water pressure is more than 2 bar, and the supply of clean water such as industrial water and tap water is provided.

[0052] The outer end faces of the inner lining short tubes 1-11 and the outer end faces of the blind ends 1-9 are each 5-10 mm beyond the metal frame.

Claims

Claim

[Claim 1] A DDBD plasma odor management device includes a casing (4), and an air inlet (6) and an air outlet (10), an air inlet (6), and an air outlet (10) are respectively disposed at two ends of the outer casing (4) It is connected through the air duct (12), and is characterized in that: a plasma generating module (1), a power module (3), a high voltage conversion module (2), a flow component module, and a uniform air distribution module are disposed in the outer casing (4). ( ₇ ), on-line spray rinsing module (8); plasma generating module (1) includes at least one row of plasma discharge discs, and the platoon plasma discharge disc is located in the air duct (12), in the air duct (12) The wind flows in from the side of the row-type plasma discharge disk and flows out from the other side;

The high-voltage conversion module (2) comprises a plurality of sets of high-voltage transformers and high-voltage transformer tanks, and the high-voltage transformers are connected to the row-type plasma discharge discs one by one;

The power module ( ₃ ) includes a plurality of power sources, and the power source is connected to the high voltage transformer one by one; the overcurrent component module includes a bracket (11), the bracket (11) is located in the air duct (12), and the bracket (11) is provided a plurality of notches (13), notches (13) mounted at the discharge stage plate type plasma discharge air volume distribution module ₍₇₎ comprises a plurality of air distribution as a radial plate respectively, the air inlet is located in the air distribution plate (6) and the plasma Between modules (1);

The on-line spray rinsing module (8) includes a plurality of atomizing nozzles, and the atomizing nozzles are connected to the water supply pipes through the connecting pipes, and the atomizing nozzles are in one-to-one correspondence with the row-type plasma discharge disks.

[Claim 2] The DDBD plasma odor management device according to claim 1, wherein: the platoon plasma discharge disk comprises a disk holder (1-2) and a plasma tube, and the disk holder (1-2) There are metal frame plates (1-1) at both ends, and a plurality of through holes are arranged on the metal frame plates (1-1), and plasma is arranged at corresponding through holes between the two metal frame plates (1-1). Tube

The plasma tube includes an electrode discharge tube (1-4) and a ground electrode discharge tube (1-3), a high voltage electrode is disposed in the electrode discharge tube (1-4), and a ground electrode is disposed in the ground electrode discharge tube (1-3) In the adjacent two rows of plasma tubes, one row is equidistantly arranged electrode discharge tubes (1-4), and the other row is equally spaced ground electrode discharge tubes (1-3), adjacent two rows of plasma tube insertion Empty arrangement The electrode discharge tube (1-4) leads to the positive lead (1-7), the ground electrode discharge tube (1-3) leads to the negative lead (1-8), and the positive and negative leads (1-7, 1-8) are located in the metal. The same end of the shelf (1-1); the metal frame (1-1) at the end of the positive and negative leads (1-7, 1-8) is provided with a metal cover (1-5), a metal cover (1) -5) Fill the arc extinguishing material (1-6). The DDBD plasma odor management device according to claim 2, wherein: the plasma tube is made of an inorganic material, the plasma tube is provided with a conductor (1-10), and one end of the plasma tube is a mouth end ( 1-14), the other end is blind end (1-9), the positive and negative lead wires (1-7, 1-8) are taken out from the mouth end (1-14) of the plasma tube, and the mouth end (1 - 14) ) Insulated lining short tube (1-11), between positive and negative lead wires (1-7, 1-8) and lining short tube (1-11), lining short tube (1-11) Bonded to the plasma tube with a sealant (1-12).

The DDBD plasma odor management device according to claim 1 or 3, characterized in that: the air inlet (6) and the overcurrent component module are connected by a conical head (5), and the air outlet ( ₁₀ ) Connected to the overcurrent component module via a conical head (5).

The DDBD plasma odor management apparatus according to claim 1 or 3, wherein: said on-line shower rinsing module (8) further comprises a solenoid valve for controlling the closing of the atomizing nozzle.

The DDBD plasma odor management device according to claim 4, wherein: a plurality of pressure relief holes are provided on the conical head (5) between the air outlet (10) and the flow component module (9) ), a diaphragm is provided at the pressure relief hole (9).

The DDBD plasma odor management device according to claim 5, wherein: the overcurrent component module is provided with a plurality of temperature sensors, the temperature sensor is connected to the controller, and the controller is interlocked with the electromagnetic valve.

The DDBD plasma odor management device according to claim 5, wherein: the casing (4) is provided with a smoke detector, the smoke sensor is connected to the controller, and the controller is interlocked with the solenoid valve.

The DDBD plasma odor management device according to claim 3 or 6, wherein: the atomizing nozzle is a high-efficiency atomizing stainless steel nozzle, and the connecting tube is a stainless steel connecting hose. [Claim 10] The DDBD plasma odor management device according to claim 3, wherein: the outer end surface of the lining short tube (1-11) and the outer end surface of the blind end (1-9) are both Exceeding the metal frame (1-1) 5-10mm.