CN108771954A - A kind of includes the plasma treatment appts of nitrogen oxides and oxysulfide - Google Patents
A kind of includes the plasma treatment appts of nitrogen oxides and oxysulfide Download PDFInfo
- Publication number
- CN108771954A CN108771954A CN201810625706.5A CN201810625706A CN108771954A CN 108771954 A CN108771954 A CN 108771954A CN 201810625706 A CN201810625706 A CN 201810625706A CN 108771954 A CN108771954 A CN 108771954A
- Authority
- CN
- China
- Prior art keywords
- coil
- electrode
- nitrogen oxides
- effect tube
- capacitance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract description 93
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000009832 plasma treatment Methods 0.000 title claims abstract description 18
- 150000003254 radicals Chemical class 0.000 claims abstract description 47
- 239000007789 gas Substances 0.000 claims abstract description 39
- 239000000126 substance Substances 0.000 claims abstract description 6
- 239000000428 dust Substances 0.000 claims abstract description 5
- 230000005669 field effect Effects 0.000 claims description 53
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 14
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000908 ammonium hydroxide Substances 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000011941 photocatalyst Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 7
- 238000006477 desulfuration reaction Methods 0.000 description 6
- 230000023556 desulfurization Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 description 1
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- BDOYPFKKGPWJBQ-UHFFFAOYSA-N [N].S=O Chemical compound [N].S=O BDOYPFKKGPWJBQ-UHFFFAOYSA-N 0.000 description 1
- 229940095054 ammoniac Drugs 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000002029 lignocellulosic biomass Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/76—Gas phase processes, e.g. by using aerosols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
A kind of includes the plasma treatment appts of nitrogen oxides and sulphur oxide gas, which is characterized in that it includes：Free radical generating mechanism and air mixing machine structure, the free radical generating mechanism is for the free radical that generation processing includes nitrogen oxides and sulphur oxide gas；The air mixing machine structure be used for by free radical and include the gas mixing of nitrogen oxides and oxysulfide with denitrification and oxysulfide are converted to can discharge and can dust substance, which is characterized in that the free radical generating mechanism includes at least：Container winds helical cylinder along same axis and is separated by the first electrode (102) and second electrode (103) of setpoint distance with what is be arranged in appearance, the first electrode (102) applies high voltage source between second electrode, and the gap between second electrode and second electrode forms helical flow channel (108).It is provided by the invention include nitrogen oxides and oxysulfide plasma treatment appts it is small, cheap and efficient.
Description
Technical field
The present invention relates to it is a kind of include nitrogen oxides and oxysulfide plasma treatment appts, excellent its is related to a kind of small
Type, it is cheap and efficient it is a kind of include nitrogen oxides and oxysulfide plasma treatment appts.
Background technology
If burning coal or oil, general waste, trade waste, lignocellulosic biomass etc., will produce from fuel
Contained in sulphur and nitrogen oxysulfide and nitrogen oxides, these substances can impact environment or health.The prior art
In, to handle the exhaust gas containing oxysulfide or nitrogen oxides, mainly use catalyst denitration method (SCR) and wet desulfurization methods
(FGD)。
However, since equipment used by catalyst denitration method (SCR) and wet desulfurization methods (FGD) accumulates larger, occupied area
Greatly, while catalyst or lime stone are needed, thus operation costs are also larger and treatment effeciency is low.
Invention content
To overcome disadvantage of the existing technology, the present invention provide it is a kind of include nitrogen oxides and oxysulfide gas
Plasma treatment appts, Miniaturizable are at low cost and efficient.
To realize the goal of the invention, the present invention provide it is a kind of include nitrogen oxides and sulphur oxide gas plasma
Processing unit, which is characterized in that it includes：Free radical generating mechanism and air mixing machine structure, the free radical generating mechanism is for giving birth to
Include the free radical of nitrogen oxides and sulphur oxide gas at processing；The air mixing machine structure is used for free radical and includes nitrogen
The gas mixing of oxide and oxysulfide with denitrification and oxysulfide are converted to can discharge and can dust substance,
It is characterized in that, the free radical generating mechanism includes at least：Container is wound into spiral with what is be arranged in appearance along same axis
Shape cylinder and the first electrode (102) and second electrode (103) for being separated by setpoint distance, the first electrode (102) and second electrode
Between apply high voltage source, gap between second electrode and second electrode forms helical flow channel (108).
Preferably, the high voltage source includes step-up coil and active resonator, secondary and the electric discharge of the step-up coil
Capacitance forms secondary resonance circuit；Active resonator includes at least the primary coil with step-up coil, and active resonator resonance draws
Secondary resonance loop resonance is played to make to be filled with gas ionization formation plasma in a reservoir.
Preferably, active resonator includes backfeed loop, amplifier, the first driving circuit, the second driving circuit, door driving
Transformer, the first field-effect tube, the second field-effect tube, the two the first capacitance and the second capacitances, door driving transformer include one
Primary coil and two secondary coils, backfeed loop is used to the signal of step-up coil secondary coil feeding back to amplifier, through putting
The signal input part of the signal input part and the second driving circuit of the first driving circuit is respectively supplied to after big device amplification, first drives
The signal output end of dynamic circuit through the second capacitance connection in the first end of door driving transformer primary coil, the second driving circuit
Signal output end is through being connected to a second end for driving transformer primary coil；The of first secondary coil of door driving transformer
One end is connected to the grid of the first field-effect tube through first resistor, and second end is connected to the source electrode of the first field-effect tube, first
The drain electrode of effect pipe is connected to DC power supply；The first end of the second subprime coil of door driving transformer is connected to through second resistance
The grid of second field-effect tube, second end are connected to the source electrode of the second field-effect tube, and the drain electrode of the second field-effect tube is connected to
The source electrode of one field-effect tube；First capacitance and the second capacitance are in relation to the drain electrode of the first field-effect tube after being in series and second imitates
The source electrode of the first field-effect tube should be connected to the first end of the first coil of step-up coil between the source electrode of pipe, second end connects
It is connected to the intermediate node that the first capacitance and the second capacitance are in series.
Preferably, include the plasma treatment appts of nitrogen oxides and sulphur oxide gas, which is characterized in that further include
Third capacitance, the third capacitance connection is between the drain electrode and the source electrode of the second field-effect tube of the first field-effect tube, to shape
At the active resonator of double resonance.
Preferably, the backfeed loop includes the 4th capacitance and the second coil, and one end of second coil is connected to ground,
The other end is connected to the 4th capacitance, and second coil is coupled by toroidal core with the secondary coil of step-up coil.
Preferably, the backfeed loop includes the 4th capacitance and feedback transformer, in the primary coil setting of step-up coil
Between tap, tap is connected to one end of the primary coil of the feedback transformer, presents the other end bridge of the primary coil of transformer
The output end of formula translation circuit.
Preferably, further include being axially arranged on first electrode (102) and second electrode (on or below 103 ends
The light catalyst element (105) in helical flow channel is wound helically and is formed with along same axis.
The inner wall of container is preferably provided with photocatalyst layer.
Preferably, to being filled in container by ammonia, ammonium hydroxide and urea, vapor and/or humid air mixed gas.
Preferably, to also inflating argon gas in container.
Compared with prior art, it is provided by the invention include nitrogen oxides and oxysulfide gas plasma processing dress
Miniaturizable is set, it is at low cost and efficient.
Description of the drawings
Fig. 1 is the composition schematic diagram of ionization mechanism provided by the invention；
Fig. 2 is the built-up circuit figure for the high voltage source that first embodiment of the invention provides；
Fig. 3 is the built-up circuit figure for the high voltage source that second embodiment of the invention provides；
Fig. 4 is the built-up circuit figure for the high voltage source that third embodiment of the invention provides；
Fig. 5 is the built-up circuit figure for the high voltage source that fourth embodiment of the invention provides.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be
Electrical connection, can also be to be connected directly, can also can also be the company inside two elements indirectly connected through an intermediary
It is logical, for the ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Low-temperature plasma device provided by the invention includes plasma generator and air mixing machine structure, the plasma life
Grow up to be a useful person for generation processing include nitrogen oxides and sulphur oxide gas free radical comprising ionization mechanism and high voltage
Source,；The air mixing machine structure be used for by free radical with include nitrogen oxides and sulphur oxide gas mix with by nitrogen oxides and
Oxysulfide is converted to can discharge gas and/or can dust substance
Fig. 1 is the composition schematic diagram of ionization mechanism provided by the invention, as shown in Figure 1, ionization mechanism includes：Container 109, it is described
Container 109 includes air inlet 107 and exhaust outlet 106, and the air inlet 107 is for importing processing off-gas raw material, such as ammonia
Gas and water steam, argon and ammonium hydroxide or argon and urea etc., the exhaust outlet 106 is for being discharged the plasma for including free radical.
Ionize mechanism further include discharge capacity Cp, the discharge capacity Cp, including be arranged in appearance along same axis
It winds helical cylinder and is separated by the first electrode 102 and second electrode 103 of setpoint distance, the first electrode 102 and second
Apply high voltage source between electrode, the gap between second electrode and second electrode forms helical flow channel 108；In an axial direction
What is be arranged on or below 103 end of first electrode 102 and second electrode winds helically and is formed with along same axis
The light catalyst element 105 in helical flow channel.
According to one embodiment, it is additionally provided between first electrode 102 and second electrode 103 and is wound into spiral shell along same axis
Rotation shape cylinder and the light catalyst element for being formed with helical flow channel, are additionally provided with light catalyst element, so in the inner wall of container
The efficiency generated free radicals can be increased.
In the present invention, by the denitration being made of argon and ammonia, ammonium hydroxide and urea, vapor or humid air mixed gas and take off
Sulfur feedstock is imported into container 109, and the plasma of generation can generate NH at once2Free radical, NH free radicals, N free radicals and H
Free radical, chemical formula are as follows：
e-+NH3→e-+NH2+H
e-+NH3→e-+NH+H+H
e-+NH3→N+H+H+H
e-+NH+H2O→OH+NH2
e-+H+H2O→OH+H+H
Here, argon plays a part of stably generating plasma at the lower voltage, and ammonia, ammonium hydroxide and urea are NH2Free radical, NH
The generation source of free radical, N free radicals and H free radicals.Although ammonia is most suitable for generating these free radicals, can also be used makes ammonium hydroxide
The gas of volatilization or the gas for making urea volatilize.
Vapor or humid air are imported into container 109, OH free radicals, H free radicals can be generated at once through ionization, lead to
It crosses and these are blown into air mixing machine structure are mixed with exhaust gas, dry simultaneous desulfurization/denitrification reaction can be carried out by free radical chain reactions.
This desulfurization generation source that raw material is OH free radicals.
To include NH2Free radical, NH free radicals, N free radicals, H free radicals and OH free radicals plasma be drained into it is mixed
Mechanism of qi structure, make its with comprising NO and SO2Exhaust gas be sufficiently mixed, then generate following chemical reaction：
NH2+NO→N2+H2O
2SO2+4OH→2H2SO4
H2SO4+2NH3→(NH4)2SO4
By above-mentioned reaction it is found that free radical important in dry simultaneous desulfurization/denitrification is NH2Free radical and OH free radicals, this hair
The plasma generator of bright offer can efficiently generate free radical.
The NH free radicals and H that plasma generator generates2O is reacted, and is not only generated desulfurization free radical OH, is also generated
Denitration free radical NH2.NH due to non-free radical or from free radical state reduction3Sulfuric acid components are solidified into sulfate of ammoniac, thus
It is easier to dust.
In the present invention, the working frequency that high voltage source is provided is 50Hz to 100MHz, and operating voltage is 10 to 30KV, work
Make electric current 10mA.
In the present invention, it is imported into flow preferred 2.0L/min, 4.0L/min, the 8.0L/min of the mixed gas of container, or
Any number between in them.
First embodiment
Fig. 2 is the built-up circuit figure for the high voltage source that first embodiment of the invention provides, as shown in Fig. 2, the high voltage source packet
Step-up coil and active resonator are included, the secondary coil 122 and discharge capacity Cp of the step-up coil forms resonant tank；Have
Source resonator includes at least the secondary coil L21 that is coupled with step-up coil, active resonator resonance cause resonant tank resonance from
And the gas ionization being filled into container is made to form plasma, the plasma includes at least free radical.
Active resonator includes backfeed loop, amplifier A1, the first driving circuit A2, the second driving circuit A3, door driving
Transformer B1, the first N-channel field-effect tube T1, the second N-channel field-effect tube T2, the first capacitance C1 and the second capacitance C2, door drive
Dynamic transformer B1 includes a primary coil L11 and two secondary coils L12 and L13, and backfeed loop is used for step-up coil
At least partly signal of secondary coil L22 feeds back to amplifier A2, and the first driving electricity is respectively supplied to after amplifier A2 amplifications
The signal input part of the signal input part of road A2 and the second driving circuit A3, the signal output end of the first driving circuit A1 is through third
Capacitance C3 is connected to a first end for driving transformer primary coil, and the signal output end of the second driving circuit is through being connected to a drive
The second end of dynamic transformer B1 primary coils；The first end of the first secondary coil L12 of door driving transformer B1 is through first resistor
R1 is connected to the grid of the first N-channel field-effect T1, and second end is connected to the source electrode of the first N-channel field-effect T1, the first N-channel
The drain electrode of field-effect tube T1 is connected to DC power supply VCC1；The first end warp of the second subprime coil L13 of door driving transformer B1
Second resistance R2 is connected to the grid of the second N-channel field-effect tube T2, and second end is connected to the source of the second N-channel field-effect tube
The drain electrode of pole, the second N-channel field-effect tube T2 is connected to the source electrode of the first field-effect tube T1；First capacitance C1 and the second capacitance C2
It is in relation to after being in series between the drain electrode of the first N-channel field-effect tube T1 and the source electrode of the second N-channel field-effect tube T2, booster line
The first end of the primary coil L21 of circle is connected to the source electrode of the first N-channel field-effect tube T1, and second end is connected to the first capacitance C1
The intermediate node being in series with the second capacitance C2.Backfeed loop includes the coil L23 coupled with step-up coil and capacitance C4, institute
Coil L23 and capacitance C4 composition series resonant tanks are stated, at least portion resonance signal for the resonant tank that will discharge is as driving
The drive signal of amplifier A1.The turn ratio of coil L23 and step-up coil L22 is 1:200 to 1:300.First N-channel field-effect
It is connected with diode D1 between the source electrode and drain electrode of pipe T1, is connected between the source electrode and drain electrode of the second N-channel field-effect tube T2
Diode D2.
Second embodiment
Fig. 3 is the built-up circuit figure for the high voltage source that second embodiment of the invention provides, as shown in figure 3, the present invention second is implemented
High voltage source that high voltage source and the first embodiment that example provides are provided is the only difference is that backfeed loop, in second embodiment
Backfeed loop include transformer B3, centre tap is arranged in coil L21, and tap is connected to the primary coil of the transformer B3
One end of L31, the output end of the other end connection bridge conversion circuit of coil L31, the i.e. source of the first N-channel field-effect tube T1
Pole.One end of the secondary coil L32 of transformer B3 is connected to amplifier through variable resistance RW and capacitance C4, and the other end is connected to
The both ends on ground, transformer B3 secondary coils L32 are parallel with transformer B3 protection circuits comprising by diode D5 and voltage-stabiliser tube D6
The parallel branch being in series, wherein the anode of diode D5 is connected to the first end of the secondary coil L32 of transformer B3, cathode
It is connected to the cathode of zener diode D6, the anode of zener diode D6 is connected to the second of the secondary coil L32 of transformer B3
End.It further includes the parallel branch being in series by voltage-stabiliser tube D7 and diode D8 to protect circuit, wherein the anode connection of diode D8
In the second end of the secondary coil L32 of transformer B3, cathode is connected to the cathode of zener diode D6, and zener diode D6 is just
Pole is connected to the first end of the secondary coil L32 of transformer B3.In addition, it is parallel with zener diode D3 at the both ends resistance R1,
The both ends resistance R2 are parallel with zener diode D4, to improve job stability.
In second embodiment, feedback loop signals are derived from the coil L23 for constituting primary resonant circuit, are so conducive to active
Resonator plays starting of oscillation.
3rd embodiment
Fig. 4 is the built-up circuit figure for the high voltage source that third embodiment of the invention provides, as shown in figure 4, invention 3rd embodiment
With second embodiment the only difference is that primary resonant circuit, the coil of the primary circuit of the active resonator in 3rd embodiment
Connect a capacitance C5 on L21, and it is intrinsic equal to discharge loop LC to allow driving circuit output frequency to be equal to primary LC intrinsic frequencies
Frequency, to make primary part be in resonant condition, load characteristic is purely resistive, and power factor is high, and capacity usage ratio is also
It improves, simultaneously because primary part is resonance, causes primary current to rise very fast, immediate current is larger.3rd embodiment
In, the first end of capacitance C5 is connected to the source electrode of the first N-channel field-effect tube, and second end is connected to the primary coil of step-up coil
The second end of the first end of L21, coil L21 is connected to the intermediate node that the first capacitance C1 and the second capacitance are in series.In order to protect
Protect field-effect tube T1 and field-effect tube T2, be connected between the source electrode and drain electrode of scene effect pipe T1 concatenated diode D10 and
Zener diode D9, wherein the anode of diode D10 is connected to the source electrode of the first N-channel field-effect tube T1, and cathode is connected to surely
The anode of diode D9, the cathode of zener diode D9 is pressed to be connected to the drain electrode of the first N-channel field-effect tube T1；Scene effect pipe
Concatenated electrode tube D12 and zener diode D11 is connected between the source electrode and drain electrode of T2, wherein the anode of diode D12 is even
It is connected to the source electrode of the second N-channel field-effect tube T2, cathode is connected to the anode of zener diode D11, and zener diode D11's is negative
Pole is connected to the drain electrode of the second N-channel field-effect tube T2.
Fourth embodiment
Fig. 5 is the built-up circuit figure for the high voltage source that fourth embodiment of the invention provides, as shown in figure 5, invention fourth embodiment
With 3rd embodiment except that backfeed loop and protection circuit, in fourth embodiment, are made of induction antenna and capacitance C4
Backfeed loop, when the LC resonance loop resonance of the secondary coil L22 of step-up coil and discharge capacity Cp compositions, induction antenna and electricity
The series resonant tank series resonance for holding the composition of C4, to which resonance signal is supplied to amplifier A1.In addition, in the first N ditches
Zener diode D13 and D14 are provided between the grid and source electrode of road field-effect tube T1, to further increase its operation is stable
Property, the cathode of wherein zener diode D13 are connected to the grid of the first field-effect tube T1, and anode is connected to zener diode D14
Anode, the cathode of zener diode D14 is connected to the source electrode of the first N-channel field-effect tube；In the second N-channel field-effect tube
Zener diode D115 and D16 are provided between the grid and source electrode of T2, to further increase its job stability, wherein steady
The cathode of pressure diode D15 is connected to the grid of the second field-effect tube T2, and anode is connected to the anode of zener diode D16, surely
The cathode of pressure diode D16 is connected to the source electrode of the second N-channel field-effect tube T2
In fourth embodiment, a coil L22, the LC resonance of step-up coil L22 and discharge capacity composition are set again on magnetic core
When loop resonance, electric current is induced in coil L22, the both ends of coil L22 are connected to the primary coil L31 of transformer B3
Both ends, the both ends secondary coil L32 of transformer B3 connect resistance R3, and rectified circuit H1 is provided out DC voltage
VCC2。
High voltage appearance source of the present invention, High Level AC Voltage is converted to by direct current, and high frequency magnetic is converted by active resonator
, when magnetic field oscillation frequency and the step-up coil being grounded by one end are consistent with the intrinsic frequency for the LC systems that discharge capacity Cp is formed
When, resonance occurring, a large amount of charges are sent into discharge capacity by step-up coil at this time so that discharge capacity voltage rises very high, to
It will be filled into the gas ionization in container 109, generate plasma stream, include a large amount of free radical in waiting in vitro.
Above in association with attached drawing, the operation principle of the present invention is described in detail.But those skilled in the art should
Understand, specification is only for interpreting the claims.But protection scope of the present invention is not limited to specification.It is any to be familiar with
In the technical scope that the present invention discloses, the variation or replacement that can be readily occurred in should all be contained those skilled in the art
Lid is within protection scope of the present invention.Therefore, the scope of protection of the invention shall be subject to the scope of protection specified in the patent claim.
Claims (10)
1. a kind of includes the plasma treatment appts of nitrogen oxides and sulphur oxide gas, which is characterized in that it includes：Freely
Base generating mechanism and air mixing machine structure, the free radical generating mechanism include nitrogen oxides and oxysulfide gas for generation processing
The free radical of body；The air mixing machine structure be used for by free radical with include the gas mixing of nitrogen oxides and oxysulfide will remove
Nitrogen oxides and oxysulfide be converted to can discharge and can dust substance, which is characterized in that the free radical generating mechanism is extremely
Include less：Container winds helical cylinder along same axis and is separated by the first electrode of setpoint distance with what is be arranged in appearance
(102) and second electrode (103), the first electrode (102) apply high voltage source, second electrode and between second electrode
Gap between two electrodes forms helical flow channel (108).
2. according to claim 1 includes the plasma treatment appts of nitrogen oxides and sulphur oxide gas, feature
It is, the high voltage source includes step-up coil and active resonator, and secondary and the discharge capacity of the step-up coil are formed time
Grade resonant tank；Active resonator includes at least the primary coil with step-up coil, and active resonator resonance causes secondary resonance
Loop resonance is to make to be filled with gas ionization formation plasma in a reservoir.
3. according to claim 2 includes the plasma treatment appts of nitrogen oxides and oxysulfide, which is characterized in that
Active resonator includes backfeed loop, amplifier, the first driving circuit, the second driving circuit, door driving transformer, first effect
Ying Guan, the second field-effect tube, the two the first capacitance and the second capacitances, door driving transformer include a primary coil and two times
Grade coil, backfeed loop are used to the signal of step-up coil secondary coil feeding back to amplifier, be carried respectively after amplifier amplifies
Supply the signal input part of the signal input part and the second driving circuit of the first driving circuit, the signal output of the first driving circuit
End is through the second capacitance connection in the first end of door driving transformer primary coil, and the signal output end of the second driving circuit is through connection
In the second end of door driving transformer primary coil；The first end of first secondary coil of door driving transformer connects through first resistor
It is connected to the grid of the first field-effect tube, second end is connected to the source electrode of the first field-effect tube, the drain electrode connection of the first field-effect tube
In DC power supply；The first end of the second subprime coil of door driving transformer is connected to the grid of the second field-effect tube through second resistance
Pole, second end are connected to the source electrode of the second field-effect tube, and the drain electrode of the second field-effect tube is connected to the source electrode of the first field-effect tube；
First capacitance and the second capacitance are in relation to after being in series between the drain electrode of the first field-effect tube and the source electrode of the second field-effect tube, with
The first end of the first coil of step-up coil is connected to the source electrode of the first field-effect tube, and second end is connected to the first capacitance and second
The intermediate node that capacitance is in series.
4. according to claim 3 includes the plasma treatment appts of nitrogen oxides and sulphur oxide gas, feature
It is, further includes third capacitance, the third capacitance connection is in the drain electrode of the first field-effect tube and the source electrode of the second field-effect tube
Between, to form the active resonator of double resonance.
5. according to claim 4 includes the plasma treatment appts of nitrogen oxides and sulphur oxide gas, feature
It is, the backfeed loop includes the 4th capacitance and the second coil, and one end of second coil is connected to ground, other end connection
In the 4th capacitance, second coil is coupled by toroidal core with the secondary coil of step-up coil.
6. according to claim 4 includes the plasma treatment appts of nitrogen oxides and sulphur oxide gas, feature
It is, the backfeed loop includes the 4th capacitance and feedback transformer, and centre tap, tap is arranged in the primary coil of step-up coil
It is connected to one end of the primary coil of the feedback transformer, presents the other end bridge conversion circuit of the primary coil of transformer
Output end.
7. according to claim 5 or 6 includes the plasma treatment appts of nitrogen oxides and sulphur oxide gas, special
Sign is, further include be axially arranged on first electrode (102) and second electrode (on or below 103 ends along same axis
Coil of wire spirally-wound and the light catalyst element (105) for being formed with helical flow channel.
8. according to claim 7 includes the plasma treatment appts of nitrogen oxides and sulphur oxide gas, feature
It is, the inner wall of container is provided with photocatalyst layer.
9. according to claim 1-8 it is any it is described include nitrogen oxides and sulphur oxide gas plasma treatment appts,
It is characterized in that, to being filled in container by ammonia, ammonium hydroxide and urea, vapor and/or humid air mixed gas.
10. according to claim 9 includes the plasma treatment appts of nitrogen oxides and sulphur oxide gas, feature
It is, to also inflating argon gas in container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810625706.5A CN108771954A (en) | 2018-06-18 | 2018-06-18 | A kind of includes the plasma treatment appts of nitrogen oxides and oxysulfide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810625706.5A CN108771954A (en) | 2018-06-18 | 2018-06-18 | A kind of includes the plasma treatment appts of nitrogen oxides and oxysulfide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108771954A true CN108771954A (en) | 2018-11-09 |
Family
ID=64025294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810625706.5A Pending CN108771954A (en) | 2018-06-18 | 2018-06-18 | A kind of includes the plasma treatment appts of nitrogen oxides and oxysulfide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108771954A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005256799A (en) * | 2004-03-15 | 2005-09-22 | Toyota Motor Corp | Exhaust emission control device |
| WO2006120860A1 (en) * | 2005-05-06 | 2006-11-16 | Gifu University | Dry simultaneous desulfurization/denitrification apparatus for exhaust gas |
| CN200984492Y (en) * | 2006-11-23 | 2007-12-05 | 吴祖成 | Coaxial-type eletricity-activated free radical source air purifying apparatus |
| CN201785237U (en) * | 2010-08-31 | 2011-04-06 | 四川省科学城中心科技有限公司 | DBD (dielectric barrier discharge) plasma hydroxyl radical generating device for waste water treatment |
| CN102333411A (en) * | 2011-09-19 | 2012-01-25 | 大连海事大学 | Partitioned energizing atmospheric-pressure non-equilibrium plasma generator |
| CN104039362A (en) * | 2012-03-28 | 2014-09-10 | 深圳上理工科技开发有限公司 | Air cleaning device and plasma generator |
| CN104096464A (en) * | 2014-07-18 | 2014-10-15 | 杭州电子科技大学 | Method for treating volatile organic compounds by barrier corona shower discharge |
| CN204069467U (en) * | 2014-09-03 | 2014-12-31 | 钱黎明 | A kind of soft switching power of activated plasma |
| CN105333514A (en) * | 2014-08-12 | 2016-02-17 | 静域(上海)科技有限公司 | Dielectric barrier low-temperature plasma air purifier |
| CN107181410A (en) * | 2016-03-12 | 2017-09-19 | 快捷韩国半导体有限公司 | Active clamp flyback converter |
| CN107295740A (en) * | 2017-05-16 | 2017-10-24 | 西安交通大学 | It is a kind of to produce the device and method that homogeneous atmosphere depresses glow discharge |
| CN206935118U (en) * | 2017-07-07 | 2018-01-30 | 河北洁天环保设备科技有限公司 | A kind of high efficiency plasma photocatalysis apparatus |
-
2018
- 2018-06-18 CN CN201810625706.5A patent/CN108771954A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005256799A (en) * | 2004-03-15 | 2005-09-22 | Toyota Motor Corp | Exhaust emission control device |
| WO2006120860A1 (en) * | 2005-05-06 | 2006-11-16 | Gifu University | Dry simultaneous desulfurization/denitrification apparatus for exhaust gas |
| CN101171070A (en) * | 2005-05-06 | 2008-04-30 | 国立大学法人岐阜大学 | Dry simultaneous desulfurization/denitrification apparatus for exhaust gas |
| CN200984492Y (en) * | 2006-11-23 | 2007-12-05 | 吴祖成 | Coaxial-type eletricity-activated free radical source air purifying apparatus |
| CN201785237U (en) * | 2010-08-31 | 2011-04-06 | 四川省科学城中心科技有限公司 | DBD (dielectric barrier discharge) plasma hydroxyl radical generating device for waste water treatment |
| CN102333411A (en) * | 2011-09-19 | 2012-01-25 | 大连海事大学 | Partitioned energizing atmospheric-pressure non-equilibrium plasma generator |
| CN104039362A (en) * | 2012-03-28 | 2014-09-10 | 深圳上理工科技开发有限公司 | Air cleaning device and plasma generator |
| CN104096464A (en) * | 2014-07-18 | 2014-10-15 | 杭州电子科技大学 | Method for treating volatile organic compounds by barrier corona shower discharge |
| CN105333514A (en) * | 2014-08-12 | 2016-02-17 | 静域(上海)科技有限公司 | Dielectric barrier low-temperature plasma air purifier |
| CN204069467U (en) * | 2014-09-03 | 2014-12-31 | 钱黎明 | A kind of soft switching power of activated plasma |
| CN107181410A (en) * | 2016-03-12 | 2017-09-19 | 快捷韩国半导体有限公司 | Active clamp flyback converter |
| CN107295740A (en) * | 2017-05-16 | 2017-10-24 | 西安交通大学 | It is a kind of to produce the device and method that homogeneous atmosphere depresses glow discharge |
| CN206935118U (en) * | 2017-07-07 | 2018-01-30 | 河北洁天环保设备科技有限公司 | A kind of high efficiency plasma photocatalysis apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE442910T1 (en) | ELECTROSTATIC ATOMIZER AND HUMIDIFIER USING THE SAME | |
| CN1392861A (en) | Ozone generator | |
| CN108771954A (en) | A kind of includes the plasma treatment appts of nitrogen oxides and oxysulfide | |
| CN109718662A (en) | A kind of equipment handled using plasma body cooperative catalytic environment | |
| WO2004095665A1 (en) | Anion generator | |
| CN207546213U (en) | A kind of equipment handled using plasma body cooperative catalytic environment | |
| CN103768902B (en) | Wet fuel gas desulfurizing technology sulfite salt slurries method for oxidation and equipment thereof | |
| CN108811291A (en) | A kind of low-temperature plasma device | |
| JPS62289249A (en) | Extra-short pulse high voltage impressing type gas purifying apparatus | |
| CN101872985A (en) | Power supply device of universal charger | |
| CN201438776U (en) | High-frequency generator circuit of electrodeless lamp | |
| CN106975347A (en) | The compound collaboration enhanced low-temperature plasma air purification equipment of one kind | |
| CN206853464U (en) | A kind of compound collaboration enhanced low-temperature plasma air purification equipment | |
| CN106268223A (en) | A kind of method of low-temperature plasma synergistic catalyst of transition metal oxide oxidation mercury in flue gas | |
| CN201491354U (en) | Electronic rectifier circuit and electrodeless lamp | |
| KR100448632B1 (en) | Apparatus and method for simutaneous removal of air pollutants using non-thermal plasma technology | |
| CN113839559A (en) | High-voltage floating high-frequency direct-current filament power supply | |
| CN108738223A (en) | A kind of plasma treatment appts of off-gas | |
| CN207638553U (en) | A kind of inverse-excitation type switch power-supply circuit | |
| CN201105032Y (en) | High-efficiency and easily diffused ion generators | |
| CN207628149U (en) | A kind of atomization ionization cleaner | |
| CN201011745Y (en) | Electromagnetic induction lamp power supply | |
| CN2478308Y (en) | Fluorescent lamp able to purifying air | |
| KR20090067969A (en) | Removal method of mercury contained in emission gas by pulse corona discharge | |
| CN2746711Y (en) | Silicon controlled anion air purification lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210525 Address after: 100144 room 805, 8 / F, building 1, yard 49, Badachu Road, Shijingshan District, Beijing Applicant after: Aerospace Shenhe (Beijing) environmental protection Co.,Ltd. Address before: 243000 Xihu garden 69-307, Huashan District, Ma'anshan City, Anhui Province Applicant before: ANHUI AEROSPACE ENVIRONMENTAL ENGINEERING Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181109 |