CN1680004A - Pulse corona discharge flue gas desulfurization, denitrification and dust removal integrated device - Google Patents
Pulse corona discharge flue gas desulfurization, denitrification and dust removal integrated device Download PDFInfo
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- CN1680004A CN1680004A CN 200510020125 CN200510020125A CN1680004A CN 1680004 A CN1680004 A CN 1680004A CN 200510020125 CN200510020125 CN 200510020125 CN 200510020125 A CN200510020125 A CN 200510020125A CN 1680004 A CN1680004 A CN 1680004A
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- 239000000428 dust Substances 0.000 title claims abstract description 70
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title abstract description 39
- 238000006477 desulfuration reaction Methods 0.000 title abstract description 39
- 239000003546 flue gas Substances 0.000 title abstract description 39
- 230000023556 desulfurization Effects 0.000 title abstract description 37
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 76
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 38
- 239000007789 gas Substances 0.000 claims abstract description 33
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 18
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 18
- 238000009826 distribution Methods 0.000 claims abstract description 16
- 239000000126 substance Substances 0.000 claims description 41
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 30
- 230000004913 activation Effects 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000000779 smoke Substances 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910052573 porcelain Inorganic materials 0.000 claims description 6
- 239000010453 quartz Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000003708 ampul Substances 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 239000006227 byproduct Substances 0.000 abstract description 5
- 239000004215 Carbon black (E152) Substances 0.000 abstract 2
- 230000003213 activating effect Effects 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 description 39
- 241000196324 Embryophyta Species 0.000 description 32
- 238000001994 activation Methods 0.000 description 23
- 150000003254 radicals Chemical class 0.000 description 7
- 230000008021 deposition Effects 0.000 description 6
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 235000013358 Solanum torvum Nutrition 0.000 description 4
- 240000002072 Solanum torvum Species 0.000 description 4
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 4
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 4
- 235000011130 ammonium sulphate Nutrition 0.000 description 4
- 125000002252 acyl group Chemical group 0.000 description 3
- 125000003545 alkoxy group Chemical group 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011027 product recovery Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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- Electrostatic Separation (AREA)
Abstract
The invention provides a pulse corona discharge flue gas desulfurization, denitrification and dust removal integrated device. The device mainly comprises a gaseous hydrocarbon gas adding unit, an air flow distribution plate unit, a water vapor ammonia activating unit, a pulse corona unit and a byproduct collecting unit. An air inlet, a feed port and an air outlet are respectively arranged on the pulse corona discharge flue gas desulfurization, denitrification and dust removal integrated device; an air flow distribution plate unit, a water vapor ammonia activating unit, a pulse corona unit and a byproduct collecting unit are sequentially arranged in the integrated device; the gaseous hydrocarbon gas adding unit is arranged outside the integrated device and is connected with the feed port; the ash bucket is arranged at the lower part of the integrated device. The device can carry out SOx/NOx control dust removal simultaneously, can fine solution by-product deposit problem in the pipeline, can greatly reduce the expense of equipment and pipeline, can reduce area.
Description
1. technical field
The invention belongs to the waste gas purification technical field.Be specifically related to the corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant of a kind of sulfur in smoke and purification of nitrogen oxides.
2. background technology
The corona discharge pulse smoke eliminator generally is made up of following five formant structures: flue gas humidifying cooling tower, the gas ammonia throwing device, pulsed high voltage generator, the pulsed discharge plasma reactor, the accessory substance gathering-device, sulfur dioxide in ammonia and the waste gas and reaction of nitrogen oxides generate ammonium sulfate and ammonium nitrate, very easily deposit in the pipeline between pulsed discharge plasma reactor and accessory substance gatherer, solve the deposition problems of ammonium sulfate and ammonium nitrate, can increase the equipment of cleaning ammonium sulfate and ammonium nitrate, as increase the scraper plate machine, sound wave ash cleaner, flow tank etc.
3. summary of the invention
The object of the present invention is to provide a kind of can carry out simultaneously the desulfurization and denitrification reaction dedusting, can fine solution accessory substance in pipeline deposition problems, can bigger reduction equipment and the expense of pipeline, can reduce the corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant of floor space.
After adopting corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant of the present invention, then the corona discharge pulse smoke eliminator mainly is made up of following four formant structures: flue gas humidifying cooling tower, gas ammonia throwing device, pulsed high voltage generator, corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant.
A kind of corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant of the present invention mainly comprise the gaseous hydrocarbons gas that is used to improve the removal of nitrogen oxide rate add the unit, be used to regulate air flow direction and flow speed stability the airflow-distribution board unit, be used for steam or ammonia activation steam ammonia activation unit, be used to produce living radical and ion the impulse electric corona unit, be used for the accessory substance collector unit that accessory substance is collected.On integrated apparatus, be respectively arranged with air inlet, dog-house, gas outlet; In integrated apparatus, be disposed with airflow-distribution board unit, steam ammonia activation unit, impulse electric corona unit, accessory substance collector unit; Gaseous hydrocarbons gas adds the unit and is arranged on that integrated apparatus is outer to be connected with dog-house; Ash bucket is arranged on the bottom of integrated apparatus.
The structure and the course of work of each unit of corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant of the present invention are described below.
1) gaseous hydrocarbons gas adds the unit
Gaseous hydrocarbons gas adds the unit and comprises storage tank, compressor, evaporimeter, the surge tank that connects successively.Surge tank is connected with the dog-house of integrated apparatus by pipeline.
Use traditional corona discharge pulse smoke eliminator to remove nitrogen oxide, effectively remove nitrogen oxide needs lot of energy, and after spraying an amount of gaseous hydrocarbons gas, can effectively remove nitrogen oxide, and can cut down the consumption of energy.Gaseous hydrocarbons gas can generate materials such as alkyl, acyl group, alkoxyl by radical reactions such as same OH, O, and materials such as alkyl, acyl group, alkoxyl can promote ammonia and reaction of nitrogen oxides to generate ammonium nitrate.
2) airflow-distribution board unit
Airflow-distribution board is positioned at the inlet of corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant, is processed with circular hole on it, and the quantity of the quantity of circular hole and size and airflow-distribution board is all relevant with the size and the gas flow rate of exhaust gas volumn.Airflow-distribution board is used to regulate air flow direction and flow speed stability.
3) steam ammonia activation unit
Steam ammonia activation unit comprises quartz ampoule, porcelain axle, steam ammonia air inlet pipe, the sparking electrode that connects successively, and mechanical vibrator hammer and brush dust device, and pole plate is parallel with sparking electrode.On the direction of gas flow, use the rapping of mechanical vibrator hammer at pole plate, and on pole plate and electrode, use the brush dust device to remove the accessory substance of deposition, the brush dust device contains: the sparking electrode brush, the pole plate brush, power and transmission device, steel wire rope, stop, power and transmission device comprise and contain motor, reductor, rolling bearing and reel, and be fixed on the top of housing, sparking electrode brush and pole plate brush are fixed on the brush holder, one end of steel wire rope is connected with crossbeam with brush holder by pulley, the other end also is connected with power and transmission device by pulley, brush holder is under the drive of power and transmission device, move up and down along electrode surface, to brush the accessory substance that electrode surface adheres to.
Steam or ammonia enter corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant by air inlet pipe, add voltage at steam or ammonia sparking electrode, fully after the activation, contain the steam of OH free radical or contain NH, NH
2The ammonia of free radical is by the ejection of sparking electrode gas outlet.Steam ammonia activation unit has also played the effect of gathering dust in advance except the effect that improves the desulphurization denitration rate is arranged, reduced the load of accessory substance collector unit collection accessory substance in the corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant.
Quartz ampoule and porcelain axle play insulating effect.
The sparking electrode of steam ammonia activation unit adopts pin-plank frame, and the needle tube type sparking electrode is made of the person in charge and needle tubing, and the homonymy pin is adjacent, and the both sides pin is staggered, and all pins are in same plane, and parallel with pole plate.
According to the size of exhaust gas volumn, can in corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant, one or more steam ammonia activations unit be set.
4) impulse electric corona unit
The impulse electric corona unit mainly comprises line style sparking electrode, low pressure plate electrode and pulsed high voltage generator, and mechanical vibrator hammer and brush dust device.Sparking electrode adopts little cylinder molded lines or the star-like line of radius of curvature, the low pressure plate electrode adopts the metallic plate of plate or Z type, the proportionate relationship of distance is 0.6-1 between distance between the discharge lines and the line plate, pulsed high voltage generator adopts the burst pulse power circuit principle, high-voltage DC power supply is through storage capacitor energy storage filtering, charge to the Blumlein pulse forming network by charging inductance and high voltage silicon rectifier stack, after charging is finished, the hydrogen thyratron discharge that is triggered, Blumlein pulse forming network output negative pulse, boost and carry out polarity conversion through 1: 2.2 pulse transformer, output positive pulse voltage is added on the load reactor.The rise time that pulsed high voltage generator requires to produce voltage waveform, pulse width was less than 1 μ s less than 300ns, and frequency can be regulated according to the removal effect that will obtain.Its mesolow plate electrode adopts power and transmission device to connect mechanical beater, on the direction of gas flow, use the rapping of mechanical vibrator hammer at the low pressure plate electrode, use the brush dust device to remove the accessory substance of deposition on low pressure plate electrode and line style sparking electrode, the mechanical vibrator hammer of principle, structure and the steam ammonia activation unit of mechanical vibrator hammer and brush dust device is similar with the brush dust device.
5) accessory substance collector unit
The accessory substance collector unit mainly comprises the electrode assembly that gathers dust, crossbeam, positive plate, cathode line, anode rapping apparatus, ash bucket etc., also contains the brush dust device.Wherein the anode rapping apparatus adopts power and transmission device to connect mechanical beater, on the direction of gas flow, use the rapping of mechanical vibrator hammer at positive plate, use the brush dust device to remove the accessory substance of deposition on positive plate and cathode line, the mechanical vibrator hammer of principle, structure and the steam ammonia activation unit of mechanical vibrator hammer and brush dust device is similar with the brush dust device.
According to the size of exhaust gas volumn, in corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant, one or more accessory substance collector units can be set.
The present invention can carry out the desulfurization and denitrification reaction dedusting simultaneously, adopt corona discharge pulse flue gas desulfurization and denitrification of the present invention reaction dust removal integrated plant to replace pulsed discharge plasma reactor and accessory substance gathering-device, can fine solution accessory substance in pipeline deposition problems, can bigger reduction equipment and the expense of pipeline, can reduce floor space; Adopt gaseous hydrocarbons gas to add the unit, improved the removal efficient of nitrogen oxide, reduced energy consumption; Adopt the airflow-distribution board unit, regulated the flow direction of air-flow and strengthened the stability of air-flow; Adopt steam ammonia activation unit, improved denitrification efficiency, also played the effect of gathering dust in advance, reduced the load of accessory substance collector unit collection accessory substance in the corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant; Adopt the impulse electric corona unit, can produce a large amount of OH, O, HO
2The isoreactivity group has improved denitrification efficiency; Adopt corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant, desulfuration efficiency can reach more than 95%, and denitration efficiency can reach more than 70%, and by-product recovery efficient can reach more than 99%.
4. description of drawings
The invention will be further described below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant embodiment of the present invention
Fig. 2 is the steam ammonia activation unit critical piece structural representation of corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant embodiment of the present invention
Fig. 3 is the brush dust device critical piece structural representation of corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant embodiment of the present invention
Fig. 4 is the discharge electrode structure schematic diagram of corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant embodiment of the present invention
Fig. 5 is the high voltage narrow pulse power work principle schematic of corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant embodiment of the present invention
Fig. 6 adds the cell process schematic flow sheet for the gaseous hydrocarbons gas of corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant embodiment of the present invention
Among the figure: 1 airflow-distribution board unit low pressure plate electrode 8 line style sparking electrodes 9 mechanical vibrators of 2 steam ammonia activation unit, 3 impulse electric corona unit, 4 accessory substance collector units, 5 ash buckets, 6 brush dust devices 7 are hammered 10 brush dust devices, 11 collection electrode devices, 12 positive plates, 13 cathode line, 14 mechanical vibrators into shape and are hammered 15 porcelain axles, 16 quartz ampoules, 17 brush dust devices, 18 air inlet pipe, 19 mechanical vibrators into shape and hammer 20 pole plate 21 sparking electrodes, 22 stop 23 rolling bearings, 24 steel wire rope 25 reels, 26 power and transmission device 27 crossbeams 28 pulleys 29 brush holders 30 supervisors 31 needle tubings 32 high-voltage DC power supplies 33 storage capacitors 34 charging inductances 35 high voltage silicon rectifier stacks 36 hydrogen thyratrons 37 Blumlein pulse forming networks 38 pulse transformers 39 load reactors 40 storage tanks 41 compressors 42 evaporimeters 43 surge tanks into shape
5. the specific embodiment
Corona discharge pulse flue gas desulfurization and denitrification of the present invention reaction dust removal integrated plant, comprise the gaseous hydrocarbons gas that is used to improve the removal of nitrogen oxide rate add the unit, be used to regulate air flow direction and flow speed stability airflow-distribution board unit 1, be used for the steam ammonia activation steam ammonia activation unit 2, be used to produce living radical and ion impulse electric corona unit 3, be used for the accessory substance collector unit 4 that accessory substance is collected.On integrated apparatus, be respectively arranged with air inlet, dog-house, gas outlet; In integrated apparatus, be disposed with airflow-distribution board unit 1, steam ammonia activation unit 2, impulse electric corona unit 3, accessory substance collector unit 4; Gaseous hydrocarbons gas adds the unit and is arranged on that integrated apparatus is outer to be connected with dog-house; Ash bucket 5 is arranged on the bottom of integrated apparatus.
Fig. 1 is the structural representation of corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant embodiment of the present invention, is respectively arranged with air inlet, dog-house, gas outlet on corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant; Be disposed with airflow-distribution board unit 1, steam ammonia activation unit 2, impulse electric corona unit 3, accessory substance collector unit 4 in the integrated apparatus, be provided with ash bucket 5 in corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant bottom, impulse electric corona unit 3 also comprises brush dust device 6, low pressure plate electrode 7, line style sparking electrode 8, mechanical vibrator hammer 9, accessory substance collector unit 4 also comprises brush dust device 10, the electrode assembly 11 that gathers dust, positive plate 12, cathode line 13, mechanical vibrator hammer 14.
Fig. 2 is the steam ammonia activation unit critical piece structural representation of corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant embodiment of the present invention, and steam ammonia activation unit comprises porcelain axle 15, quartz ampoule 16, brush dust device 17, air inlet pipe 18, mechanical vibrator hammer 19, pole plate 20, sparking electrode 21.
Fig. 3 is the brush dust device critical piece structural representation of corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant embodiment of the present invention, and the brush dust device mainly comprises stop 22, rolling bearing 23, steel wire rope 24, reel 25, power and transmission device 26, crossbeam 27, pulley 28, brush holder 29.
Fig. 4 is the discharge electrode structure schematic diagram of corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant embodiment of the present invention, sparking electrode comprises the person in charge 30 and needle tubing 31, and the homonymy pin is adjacent, and the both sides pin is staggered, all pins are in same plane, and parallel with pole plate 20.
Fig. 5 is the high voltage narrow pulse power work principle schematic of corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant embodiment of the present invention, and the high voltage narrow pulse power supply comprises high-voltage DC power supply 32, storage capacitor 33, charging inductance 34, high voltage silicon rectifier stack 35, hydrogen thyratron 36, Blumlein pulse forming network 37, pulse transformer 38, the load reactor 39 that connects successively.
Fig. 6 is that the gaseous hydrocarbons gas of corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant embodiment of the present invention adds the cell process schematic flow sheet, and gaseous hydrocarbons gas adds the unit and comprises storage tank 40, compressor 41, evaporimeter 42, the surge tank 43 that connects successively by pipeline.
The course of work of the present invention is described below.
The concentration that factory's boiler is produced is 2, the SO of 500ppm
2, concentration is 1, the NO flue gas of 000ppm, with 60,000Nm
3The flow of/h is handled by device of the present invention.
Gaseous hydrocarbons gas is by storage tank 40, compressed machine 41 enters evaporimeter 42, flow into surge tank 43 again, spray into corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant by dog-house at last, mix with flue gas, through airflow-distribution board unit 1, after regulating air flow direction and flow velocity,, and mix with steam and ammonia after the activation by steam ammonia activation unit 2, enter impulse electric corona unit 3, produce OH, HO
2, NH, NH
2, N
2 +, alkyl, acyl group, alkoxyl isoreactivity free radical and ion, the SO in the gaseous mixture
2And NO
xThe oxidized reaction of molecule generates SO
3NO with high price
xThe final accessory substances such as ammonium sulfate and ammonium nitrate that generate, the electrode assembly 11 that gathers dust at accessory substance collector unit 4 adds high pressure, make accessory substance charged, accessory substance is collected through the positive plate 12 and the cathode line 13 of accessory substance collector unit 4, removes the accessory substance that deposits by mechanical vibrator hammer 14 and brush dust device 10, and accessory substance unloads grey the collection by ash bucket 5 at last and recycles, purified gas enters in the atmosphere through air-introduced machine and chimney.
Steam or ammonia are by the air inlet pipe 18 of steam ammonia activation unit 2, and activated generation has OH, HO
2The steam of isoreactivity free radical and have NH, a NH
2, N
2 +The ammonia of isoreactivity free radical and ion, the person in charge 30 and needle tubing 31 ejections by sparking electrode 21, on pole plate 20 and sparking electrode 21, can produce the part accessory substance, accessory substance is hammered 19 rappings and brush dust device 17 brush dusts into shape by mechanical vibrator, unload ash by ash bucket 5 and collect recycling, porcelain axle 15 and quartz ampoule 16 play insulation.
Power and transmission device 26 comprise and contain motor, reductor, rolling bearing 23 and reel 25, and be fixed on the top of housing, sparking electrode brush or negative electrode brush and pole plate brush or anode brush are fixed on the brush holder 29, one end of steel wire rope 24 is connected with crossbeam 27 with brush holder 29 by pulley 28, the other end also is connected with power and transmission device 26 by pulley 28, brush holder 29 moves up and down along electrode surface under the drive of power and transmission device 26, to brush the accessory substance that electrode surface adheres to.
Line style sparking electrode 8 adopts little cylinder molded lines or the star-like line of radius of curvature to make.Low pressure plate electrode 9 adopts metallic plate plate or the Z type to make.Remove the accessory substance that deposits by mechanical vibrator hammer 9 and brush dust device 6, accessory substance unloads the ash collection by ash bucket 5 at last and recycles.
Brush dust device (6,10,17) is made up of sparking electrode brush or negative electrode brush, pole plate brush or anode brush, stop 22, steel wire rope 24, power and transmission device 26 etc. respectively.
High-voltage DC power supply 32 is through storage capacitor 33 energy storage filtering, charge to Blumlein pulse forming network 37 by charging inductance 34 and high voltage silicon rectifier stack 35, after charging is finished, hydrogen thyratron 36 discharge that is triggered, Blumlein pulse forming network 37 output negative pulses, boost and carry out polarity conversion through 1: 2.2 pulse transformer 38, output positive pulse voltage is added on the load reactor 39.
Adopt corona discharge pulse flue gas desulfurization and denitrification reaction dust removal integrated plant of the present invention, desulfuration efficiency can reach more than 95%, and denitration efficiency can reach more than 70%, and by-product recovery efficient can reach more than 99%.
Claims (9)
1, a kind of smoke desulfuring, denitrating and integrating apparatus with impulsing corona discharge is characterized in that: described integrated apparatus comprise the gaseous hydrocarbons gas that is used to improve the removal of nitrogen oxide rate add the unit, be used to regulate air flow direction and flow speed stability airflow-distribution board unit (1), be used for steam or ammonia activation steam ammonia activation unit (2), be used to produce living radical and ion impulse electric corona unit (3), be used for the accessory substance collector unit (4) that accessory substance is collected; On integrated apparatus, be respectively arranged with air inlet, dog-house, gas outlet; In integrated apparatus, be disposed with airflow-distribution board unit (1), steam ammonia activation unit (2), impulse electric corona unit (3), accessory substance collector unit (4); Gaseous hydrocarbons gas adds the unit and is arranged on that integrated apparatus is outer to be connected with dog-house; Ash bucket (5) is arranged on the bottom of integrated apparatus.
2, a kind of smoke desulfuring, denitrating and integrating apparatus with impulsing corona discharge according to claim 1, it is characterized in that: described steam ammonia activation unit (2) comprises porcelain axle (15), quartz ampoule (16), air inlet pipe (18), the sparking electrode (21) that connects successively, sparking electrode (21) be arranged in parallel with pole plate (20), also comprises brush dust device (17) and mechanical vibrator hammer (19).
3, a kind of smoke desulfuring, denitrating and integrating apparatus with impulsing corona discharge according to claim 1 is characterized in that: described impulse electric corona unit (3) comprises line style sparking electrode (8), low pressure plate electrode (7), high voltage narrow pulse power supply, mechanical vibrator hammer (9) and brush dust device (6).
4, a kind of smoke desulfuring, denitrating and integrating apparatus with impulsing corona discharge according to claim 1 is characterized in that: described accessory substance collector unit (4) comprises brush dust device (10), the electrode assembly that gathers dust (11), positive plate (12), cathode line (13), mechanical vibrator hammer (14).
5, a kind of smoke desulfuring, denitrating and integrating apparatus with impulsing corona discharge according to claim 1, it is characterized in that: described gaseous hydrocarbons gas adds the unit and comprises storage tank (40), compressor (41), evaporimeter (42), the surge tank (43) that connects successively by pipeline, and surge tank (43) is connected with the dog-house of integrated apparatus by pipeline.
6, a kind of smoke desulfuring, denitrating and integrating apparatus with impulsing corona discharge according to claim 2 is characterized in that: described brush dust device (17) comprises stop (22), steel wire rope (24), power and transmission device (26), crossbeam (27), pulley (28).
7, a kind of smoke desulfuring, denitrating and integrating apparatus with impulsing corona discharge according to claim 2, it is characterized in that: described sparking electrode (21) constitutes by being responsible for (30) and needle tubing (31), the homonymy pin is adjacent, the both sides pin is staggered, all pins are in same plane, and parallel with pole plate (20).
8, a kind of smoke desulfuring, denitrating and integrating apparatus with impulsing corona discharge according to claim 3 is characterized in that: described high voltage narrow pulse power supply comprises high-voltage DC power supply (32), storage capacitor (33), charging inductance (34), high voltage silicon rectifier stack (35), hydrogen thyratron (36), Blumlein pulse forming network (37), pulse transformer (38), the load reactor (39) that connects successively.
9, a kind of smoke desulfuring, denitrating and integrating apparatus with impulsing corona discharge according to claim 6 is characterized in that: power and transmission device (26) comprise motor, reductor, rolling bearing (23), reel (25).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510020125 CN1680004A (en) | 2005-01-06 | 2005-01-06 | Pulse corona discharge flue gas desulfurization, denitrification and dust removal integrated device |
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|---|---|---|---|
| CN 200510020125 CN1680004A (en) | 2005-01-06 | 2005-01-06 | Pulse corona discharge flue gas desulfurization, denitrification and dust removal integrated device |
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| CN103566722A (en) * | 2013-10-11 | 2014-02-12 | 北京睿昱达科技有限公司 | Method and device for integrally desulfurizing, denitrating and dust-removing by plasma |
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