CN206138973U - Organic waste gas plasma processing apparatus - Google Patents

Abstract

The utility model provides an ion manipulation arrangement such as organic waste gas, belongs to air purification technical field. Organic waste gas plasma processing apparatus includes that N level particle decomposes the ware, the particle decomposes the ware and includes a M airflow channel, and every air current leads to alternative plasma ionization unit and the particle absorptive unit of being provided with along airflow direction. N and M are for being greater than or equaling 1 integer. The utility model provides an organic waste gas plasma processing apparatus has improved the purification efficiency who contains organic waste gas's air greatly.

Description

Organic exhaust gas plasma processing apparatus

Technical field

This utility model is related to a kind of organic exhaust gas plasma processing apparatus, belongs to technical field of air purification.

Background technology

With the fast development of global industry, problem of environmental pollution becomes more serious, needs to carry out sternly pollution control Strict regulation and control.And, the lasting generation of the variation and new pollutant of polluting source category has caused various approach next more efficient Ground solves pollution problem.

From after nineteen ninety, the research for controlling air pollutants using lower temperature plasma technology is vigorously sent out in international academic community Exhibition, related lower temperature plasma technology occurs successively, such as electron beam, glow discharge, corona discharge, dielectric barrier discharge, micro- Ripple electric discharge, gliding arc discharge etc..The principle of low temperature plasma is to apply electric energy by gas ionization to accelerate gas-phase chemical reaction, The free radical of high oxidative is particularly generated carrying out gaseous oxidation reaction, hazardous air pollutants are oxidized to into harmless object or low Poisonous substance, has been shown to be effectively used for various gaseous states such as nitrogen-containing oxide NOx, sulfur dioxide SO2, volatile organic matter VOCs The removal of pollutant.A kind of purification method of organic exhaust gas is proposed in prior art, using corona discharge chloride, sulfur, nitrogen are purified With the Organic substance of fluorine；A kind of technology for treating low temperature plasma waste gas is also proposed in prior art, is mainly hindered using medium Gear electric discharge is come organic dirt and the hydrogen sulfide H of degrading₂S, Carbon bisulfide CS₂, the material such as freon.Frenchman in 1988 LesueurH. propose with the gliding arc discharge device of air stream drives and cooling electric arc that (France is specially with CzernichowskiA. etc. 2639172), follow-up study finds that this kind of gliding arc discharge can process gaseous state organic dirt to profit, and such as purification contains formaldehyde, toluene, heptan The materials such as alkane, carbon tetrachloride, polycyclic aromatic hydrocarbon, carbon black granules organic exhaust gas (CzernichowskiA., Etal.Chemtech.1996,26 (4)：45-49.；KrawczykK., Etal.PlasmaChem.PlasmaProcess.2003,24 (2)：155-167.；Du Changming, waits Proceedings of the CSEE .2006,26 (1)：77-81.), their generation technology is, plus high voltage and by air-flow between at least 2 electrodes, to utilize Aerodynamic force makes its downward downstream and forms pulsed discharge promoting electric arc, and the shortcoming of this method is electric arc in discharge space Plasma discharging body region that is insufficient, being formed is blended between skewness, arc discharge and air-flow less, so as to cause have Machine exhaust-gas treatment ability is little, purifying rate is relatively low..

The content of the invention

To overcome shortcoming present in prior art, goal of the invention of the present utility model be to provide a kind of organic exhaust gas etc. from Daughter processing meanss, it can greatly improve the purification efficiency of the air containing organic exhaust gas.

To realize the goal of the invention, this utility model provides a kind of organic exhaust gas plasma processing apparatus, and it includes N Level particle decomposer, the particle decomposer includes M gas channel, and each air-flow is logical to be disposed with the moon along airflow direction Pole, discharge anode and absorber, the N is the integer more than or equal to 1.

Preferably, N levels particle decomposer spirals spirality.

Preferably, machine waste gas plasma processing apparatus also include the ozone decomposed device being connected with final stage particle decomposer.

Preferably, ozone decomposed device includes M gas channel.

Preferably, it is coated with manganese oxide particle on the inwall of ozone decomposed device gas channel.

Compared with prior art, the organic exhaust gas plasma processing apparatus that this utility model is provided, it can greatly be carried The purification efficiency of the high air containing organic exhaust gas.

Description of the drawings

Fig. 1 is the composition schematic diagram of the organic exhaust gas plasma processing apparatus that this utility model is provided；

Fig. 2A is the axial sectional diagrammatical view illustration of the first stage particles decomposer that this utility model is provided；

Fig. 2 B are the axial sectional diagrammatical view illustrations of the secondary particle decomposer that this utility model is provided；

Fig. 3 A are the radial section schematic diagram of the plasma electric from unit cathodes position of this utility model offer；

Fig. 3 B are the schematic diagrams that the plasma ionization module that this utility model is provided is seen into vertically from anode

Fig. 3 C are the particle absorption unit radial schematic cross-sections that this utility model is provided；

Fig. 4 is the radial section schematic diagram of the ozone decomposed device that this utility model is provided.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is a part of embodiment of this utility model, rather than the embodiment of whole.Based on the embodiment in this utility model, this The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.

In description of the present utility model, it should be noted that term " " center ", " on ", D score, " vertical ", " level ", The orientation or position relationship of the instructions such as " interior ", " outward " is, based on orientation shown in the drawings or position relationship, to be for only for ease of and retouch State this utility model and simplify description, rather than indicate or imply indication device or element must have specific orientation, with Specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " setting ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, Or be integrally connected；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can also be two element internals Connection, for the ordinary skill in the art, can understand tool of the above-mentioned term in this utility model with concrete condition Body implication.

Fig. 1 is the composition schematic diagram of the organic exhaust gas plasma processing apparatus that this utility model is provided, as shown in figure 1, The organic exhaust gas plasma processing apparatus that this utility model is provided include housing 1, controller 12, blower fan 4 and gas treatment dress Put, wherein, housing sidewall position on the lower side is provided with air inlet 2, and housing sidewall position on the upper side is provided with air vent 9, air intake Inlet air plenum is connected at mouthful, air inlet is provided with primary filter 3, and primary filter 3 is used for entering into the air in air intake room Row is preliminary to be filtered, to remove air in large particulate matter.Blower fan 4 be used for will go in air intake room with organic pollution Air be supplied to gas treatment equipment, the gas treatment equipment includes the N level particles decomposer 6 being sequentially connected, and also includes The ozone decomposed device 8 of last pole particle decomposer is connected to, the N levels particle decomposer 6 and ozone decomposed device 8 are by annular Connector 7 is connected, and the particle decomposer 6 will be converted to ozone into the oxygen in the air in it, and ozone can be to entering Organic pollution to decomposer is decomposed.Ozone decomposed device 8 is used to reduce ozone, to prevent ozone from making to air Into secondary pollution.Controller is used to be controlled the working condition of blower fan and particle decomposer.

Fig. 2A is the axial sectional diagrammatical view illustration of the first stage particles decomposer that this utility model is provided, as shown in Figure 2 A, this reality Include plasma ionization module 61 and particle absorption unit 62 with the particle decomposer of new offer, plasma ionization module 61 is wrapped Insulation body case 6 is included, axially arranged along insulation body case 6 has M（M is the integer more than or equal to 2）Gas channel, often Individual air-flow is logical to be disposed with negative electrode, such as cathode ring 613, discharge anode and absorber 615 along airflow direction, and discharge anode includes Anode electrode plate 604 and with axis angle at an acute angle and stretch to multiple spray points 602 of negative electrode.In this utility model, air-flow leads to The preferably cylindrical cavity in road, cathode ring 613 is annular, and it is arranged on the first end of cylindrical cavity；Positive plate is arranged on The central authorities at the second end of cylindrical cavity；Multiple spray points 602 are connected with positive plate, and multiple spray points are uniformly distributed, and arrange In cylindrical empty intracavity, and radial extend to cathode ring.Particle absorption unit 62 includes insulation body case, external along insulation The axially arranged of shell has M gas channel, and the content of each gas channel is circumferentially arranged fiber medium 615, for absorbing The organic exhaust gas particle for having decomposed.In this utility model, plasma ionization module 61 and particle absorption unit 62 can pass through ring Shape connector connects, and the gas channel for so making plasma ionization module 61 is communicated with the gas channel of particle absorption unit 62, And be easy to arrange negative electrode, anode and fiber medium.

Fig. 2 B are the axial sectional diagrammatical view illustration of the secondary particle decomposer that this utility model is provided, as shown in Figure 2 B, this reality Include two grades with the particle decomposer of new offer, the structure per one-level is identical, first order particle decomposer and second level particle Decomposer joins end to end, thus, decomposition path-ways and the time of organic exhaust gas are extended, so as to provide decomposition efficiency.This practicality Although new be illustrated with first stage particles decomposer and secondary particle decomposer, above-mentioned two kinds of situations are also not necessarily limited to, Can send out N levels, N be more than or equal to integer.Actually should when, degree of purification that can be as requested freely sets.This In utility model, N level particle decomposers spiral spirality thus, the space for not only making occupancy reduces, while making to have entered into The time lengthening of the convolution of machine waste gas, more improves purification efficiency.

Fig. 3 A are the radial section schematic diagram of the plasma electric from unit cathodes position of this utility model offer, such as Fig. 3 A institutes Show, each plasma ionization module 61 includes M（M is the integer more than or equal to 2）Individual gas channel, each gas channel First end is respectively provided with a negative electrode coil, and each negative electrode coil is connected to ground wire 615 by wire.

Fig. 3 B are the schematic diagrams that the plasma ionization module that this utility model is provided is seen into vertically from anode.As schemed Shown in 3B, each plasma ionization module 61 includes M（M is the integer more than or equal to 2）Individual gas channel, each air-flow leads to The central authorities at second end in road are respectively provided with an anode pole 604, and each positive plate 604 is connected with multiple radial electric discharges Electrode 602, each sparking electrode to plate winding 613 extends, but does not contact, and each positive plate connects high-field electrode by wire 605。

Fig. 3 C are the particle absorption unit radial schematic cross-section that this utility model is provided, as shown in Figure 3 C, particle absorption Unit 62 includes M gas channel, and the logical interior circumferentially arranged fiber medium 615 of each air-flow, the fiber medium 615 is used to inhale The attached organic exhaust gas particle being decomposed.

Fig. 4 is the radial section schematic diagram of the spiral type ozone decomposed pipe that this utility model is provided.As shown in figure 4, spiral Shape ozone decomposed pipe 8 includes the gas channel 101 of a M, is coated with the inwall of cellular gas channel, manganese oxide particle 102, preferred manganese dioxide granule 102.Rotation shape ozone decomposed pipe 8 can be rigid, or flexible.

Although this utility model with the pipe diameter of spiral type particle decomposer and spiral type ozone decomposed pipe, serpentine pipe it is straight Be illustrated as a example by footpath is identical, but for save space, pipe diameter, serpentine pipe diameter can also be different, such as spiral type The cylinder that ozone decomposed pipe is formed is arranged in the cylinder of spiral type particle decomposer formation, can also be arranged on outside cylinder, institute It can be cylinder to state cylinder, or cuboid, etc..

For eliminating organic pollutant in this utility model, be provided with multistage particle decomposer, make oxygen in air into For ozone, time and the path of the organic compound or mushroom killed in air are extended, but during the concentration over-standard of ozone, Ozone is then an invisible killer, the respiratory tract of its intense stimulus people, cause laryngopharynx swelling and pain, cough uncomfortable in chest, cause bronchitis and Emphysema；Cause the neurotoxic of people, dizziness headache, visual deterioration, hypomnesis；Vitamin E in human body skin is risen To destruction, the skin for causing people is wrinkled, black speck occurs；The immune function of human body, induction lymphocyte dyeing can also be destroyed Body pathological changes, accelerate aging, cause anemia of pregnant woman to have a deformed child, therefore are provided with ozone decomposed pipe, and ozone reduction is oxygen by it, it is to avoid Secondary pollution of the ozone to air.

Above in association with accompanying drawing, operation principle of the present utility model is described in detail.But one of ordinary skill in the art It should be understood that description is only for explaining claims.But protection domain of the present utility model is not limited to description. Any those familiar with the art in the technical scope that this utility model is disclosed, the change that can readily occur in or Replace, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be wanted with right The protection domain for seeking book is defined.

Claims (5)

1. a kind of organic exhaust gas plasma processing apparatus, it includes housing（1）, controller（12）, blower fan（4）And gas treatment Device, wherein, housing sidewall position on the lower side is provided with air inlet（2）, housing sidewall position on the upper side is provided with air vent （9）, air inlet connection inlet air plenum；Blower fan（4）The air with organic pollution for will go in air intake room is provided To gas treatment equipment, it is characterised in that the gas treatment equipment includes the N level particle decomposers being sequentially connected（6）；It is described Particle decomposer includes M gas channel, and each gas channel is disposed with negative electrode, discharge anode and absorption along airflow direction Device, the N and M is the integer more than or equal to 1；Controller（12）For entering to the working condition of blower fan and particle decomposer Row control.

2. organic exhaust gas plasma processing apparatus according to claim 1, it is characterised in that N level particles decomposer is first Tail is connected and spirality of spiraling.

3. organic exhaust gas plasma processing apparatus according to claim 2, it is characterised in that also include and final stage particle The connected ozone decomposed device of decomposer.

4. organic exhaust gas plasma processing apparatus according to claim 3, it is characterised in that ozone decomposed device includes M Individual gas channel.

5. organic exhaust gas plasma processing apparatus according to claim 4, it is characterised in that ozone decomposed device air-flow leads to Manganese oxide particle is coated with the inwall in road.