CN105879668B - A kind of flue gas processing device - Google Patents
A kind of flue gas processing device Download PDFInfo
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- CN105879668B CN105879668B CN201610400923.5A CN201610400923A CN105879668B CN 105879668 B CN105879668 B CN 105879668B CN 201610400923 A CN201610400923 A CN 201610400923A CN 105879668 B CN105879668 B CN 105879668B
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- 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
- B01D53/86—Catalytic processes
- B01D53/8637—Simultaneously removing sulfur oxides and nitrogen oxides
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- 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
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- 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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/10—Preparation of ozone
- C01B13/11—Preparation of ozone by electric discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/10—Dischargers used for production of ozone
- C01B2201/14—Concentric/tubular dischargers
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/30—Dielectrics used in the electrical dischargers
- C01B2201/34—Composition of the dielectrics
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
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- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a kind of flue gas processing device, including flue, on the flue outer wall, it is provided with ozone generating-device, the ozone generating-device includes air inlet and gas outlet, the air inlet is arranged on the outside of the flue, and the gas outlet is connected with escape pipe one end, and the escape pipe other end is connected with the flue inner space.Flue gas processing device disclosed in this invention, ozone generating-device and flue are subjected to integrated setting, by ozone application during to flue gas oxidation and denitration desulfurization, fume treatment works well, and present apparatus compact conformation is reasonable, greatly reduce whole device volume, meanwhile, ozone generating-device is arranged on flue outer wall, the length of ozone transfer pipeline is shortened, pipe loss is reduced, production cost is saved.
Description
Technical field
The present invention relates to environmental protecting device technical field, more particularly to a kind of flue gas processing device.
Background technology
China is coal-fired and steel big producer, and discharge exhaust gas volumn is very huge, and substantial amounts of oxysulfide is contained in flue gas
And nitrogen oxides, serious pollution can be caused to air by directly discharging, the influence mankind normally life and production activity.Therefore control
The pollution of sulfur dioxide and nitrogen oxides processed, is China and world today's urgent problem to be solved, is environmental protection and to benefit people
The urgent task of class.
CN104857834A discloses a kind of equipment for denitrifying flue gas based on ozone, it is characterised in that including：Denitrating flue gas
Equipment, is internally provided with：More than two layers of spray-absorption layer, and more than one layer of ozone steam reaction and absorbed layer, wherein, institute
The ozone steam reaction stated and absorbed layer are by the lower nitrogen oxides in flue gas into the nitrogen oxides of high price, described spray
Absorbed layer absorbs the nitrogen oxides in flue gas using absorbent, and forms absorption product；Ozone supply apparatus, for described smelly
Oxygen spray reaction and absorbed layer supply oxygen.
CN105080314A is disclosed in a kind of SNCR+ ozone equipment for denitrifying flue gas, including boiler, the boiler provided with sky
Air preheater and boiler economizer, the air preheater are arranged above boiler economizer, it is characterised in that：The air is pre-
Spray gun area is provided between hot device and boiler economizer, the nebulization region in the spray gun area is SNCR reaction zones, the air preheat
The gas outlet of device is connected with smoke conveying duct, and the other end of the smoke conveying duct connects the entrance point one of blender,
The entrance point two of the blender connects ozone generator, the port of export coupled reaction of the blender by ozone transport conduit
Gas transmission pipeline afterwards.
CN104941414A discloses a kind of flue gas controller based on ozone, it is characterised in that including：Fume treatment
Equipment, is internally provided with：More than two layers of spray-absorption layer, more than one layer of ozone steam reaction and absorbed layer, wherein, it is described
Ozone steam reaction with absorbed layer by the lower nitrogen oxides in flue gas into higher nitrogen oxides, described ozone steam
Reaction and absorbed layer are by the elemental mercury oxidation in flue gas into mercury oxide, and described spray-absorption layer is absorbed in flue gas using absorbent
Sulfur dioxide, nitrogen oxides and dust, and trap the mercury oxide in flue gas, and form absorption product；Ozone supply apparatus, is used
Reacted and absorbed layer ozone supply in the ozone steam；With dedusting defogging equipment, for flue gas carry out dedusting demisting, institute
State the top that dedusting defogging equipment is located at whole spray-absorption layers.
The method that CN103100294A discloses oxynitrides in a kind of Ozonation removing flue gas, it is characterised in that
Comprise the steps：1) then ozone be passed through in the flue gas after cooling and reacted between 30~110 DEG C by flue gas cool-down,
Reaction time is 0~10 second, and the ozone amount and the mol ratio of oxynitrides being passed through are 0.5~2: 1；2) by step 1) middle reaction
Complete gas introduces absorption tower, and absorption tower top sprays into alkali lye, the gas reacted absorbed with alkali lye, the gas after absorption
Body is discharged into air or enters other devices, and the alkali lye after absorption is recycled, and the pH value of alkali lye is 6.5 in absorption tower
~8, the mol ratio for spraying into gas of the alkali lye amount in absorption tower with having been reacted in absorption tower is 20~1: 1；3) according to step 2)
The situation of change of pH value introduces fresh alkali lye in middle absorption tower, and discharges a part of crystallized stock in absorption tower bottom.
CN102133547A discloses a kind of ozone method for processing and regenerating of vanadium titanium-base flue gas denitration catalyst agent, its feature
It is, comprises the following steps：（1）Inactivation catalyst for denitrating flue gas is fitted into catalyst regenerative response bed；（2）With ozone-sky
Oxygen mixture enters catalyst regenerative response bed；10 ~ 120min is aoxidized at 25 ~ 125 DEG C, that is, completes catalyst for denitrating flue gas
Regenerative process.
CN105126816A discloses a kind of catalyst for denitrating flue gas, it is characterised in that：With TiO2Compound Al2O3、SiO2、
BaO or ZrO2In one or more be carrier, using glass fibre as skeleton, with one kind in tungsten, molybdenum, iron, cerium, niobium or manganese or
A variety of is active component.
CN103962124A discloses a kind of catalyst for denitrating flue gas, it is characterised in that：Described catalyst is by weight hundred
Divide than the TiO for 60-90%2The adjuvant composition of titanium dioxide, 10-30% activating agent and 1-10%, above-mentioned each composition
Percentage by weight sum is 100%, and described activating agent is one kind in following three material：V2O5Vanadic anhydride, V2O5-WO3
Vanadic anhydride-tungstic acid or V2O5-MoO3Vanadic anhydride-molybdenum trioxide.
WO2010/036409A1 discloses SCR (RSCR) system and method for reproducibility, is using this
System and method, gas is reduced by mixing that then the gas is introduced into RSCR equipment to be handled gas with reactant
In NOx and CO contents, the processing needs：The gas is heated, makes the one or more catalytic reactions of gas experience, so
After guide the gas by thermal conductive zone, the gas provides heat to follow with the continuous of the RSCR methods to the thermal conductive zone
Ring is used in combination.
JP2011-067082A discloses a kind of preparation method of denitrating catalyst, and the denitrating catalyst is to make nitrogen oxidation
Used denitrating catalyst when thing reacts with the ammonia one as reducing agent and resolves into nitrogen and water, and catalyst active ingredient
For titanium oxide, vanadium and tungsten, the preparation method of the denitrating catalyst is characterised by, the presoma of vanadium is ammonium metavanadate powder；With
Particle diameter is that less than 10 μm of particle is more than 20% in accumulation containing ratio meter, the ammonium metavanadate powder.
" the alkali resistant metal poisoning performance for improving vanadium base SCR denitration ", stone dawn swallow etc., environmental project journal,
05 phase in 2014, it have studied with anatase titanium dioxide and titanium tungsten powder (5%WO3-TiO2) be carrier, be prepared for serial vanadium and
The different vanadium titanium catalyst of tungsten load amount, investigates alkali and alkaline earth metal ions (potassium, sodium and calcium) and catalyst is urged in ammine selective
Change reduction (NH3- SCR) influence of catalytic activity in reaction of nitrogen oxides.
At present, the processing in the prior art for flue gas is carried out using wet oxidation denitration desulfurization method mostly, but by
In device structure self-defect in the market and unreasonable design, cause universal volume excessive, with high costs, denitration desulfurization
Effect is undesirable, and also there is the problem of catalytic efficiency is poor.
The content of the invention
To solve problems of the prior art, the invention provides a kind of compact conformation, space utilization is reasonable, handle
The flue gas processing device worked well.
The purpose of the present invention is implemented by the following technical programs：
A kind of flue gas processing device, including flue and ozone generating-device, on the flue outer wall, are set
There is ozone generating-device, the ozone generating-device includes air inlet and gas outlet, and the air inlet is arranged on the fume pipe
On the outside of road, the gas outlet is connected with escape pipe one end, and the escape pipe other end is connected with the flue inner space.
Further, the ozone generating-device is multiple, is uniformly fixedly installed on the flue outer wall.This is consolidated
Fixed set can use integration mode, it would however also be possible to employ be operatively connected mode.
Further, the ozone generating-device is arranged in the multilayer of flue outer wall different height, and every layer smelly
Oxygengenerating plant is multiple, is uniformly arranged on the flue outer wall circumference.
Further, the ozone generating-device is fixed on the flue outer wall by fixed mount.
Further, between the flue outer wall and the ozone generating-device, it is provided with insulation board.
Further, atmospheric pipe is internally provided with the flue, deflation is provided with the atmospheric pipe
Hole, the escape pipe connects setting with the atmospheric pipe.
Further, the air vent is multiple, on the outer wall for being uniformly arranged on the atmospheric pipe.
Further, on the ozone equipment, water-cooling system is additionally provided with, the water-cooling system includes water inlet with going out
The mouth of a river, on the flue outer wall circumference, is provided with water inlet manifold and outfall sewer, the water inlet and the water inlet are total
Pipe is connected, and the delivery port is connected with the outfall sewer.
Further, showering washing device, the showering washing device and external water are provided with the flue
Source is connected, and discharge outlet is provided with below the flue.
Further, the flue is provided with packing course, the packing course is multilayer, under the ozone generating-device
The flue of side is internally provided with one or more layers packing course.
The packing course can be packed bed layer.Packing course medium can be inert media.
Preferably, denitration desulphurization catalyst is provided with the packing course, the catalyst is preferably doping Ce, Pd and Fe
TiO2Catalyst, wherein the gross weight meter based on catalyst, Ce doping is 0.2-0.4 weight %, and it is with Ce2O3Form is deposited
；Fe doping is 0. 2-0.8 weight %, and it is with Fe2O3Form is present；Pd doping be 0.01-0.10 weight %, its with
Simple substance or absorption oxygen form are present, and are deposited on Ce2O3/Fe2O3/TiO2Surface, surplus is substantially TiO2, the Ce2O3With
Fe2O3In TiO2In with nonwoven fabric from filaments form exist.
TiO is prepared using sol-gel process2, Ce and Fe water soluble salt is then impregnated successively, and carrying out high temperature after drying forges
Burn（500-700℃）, obtain doping Ce2O3And Fe2O3TiO2Catalyst, i.e. Ce2O3/ Fe2O3/TiO2, then pass through sedimentation
In Ce2O3/Fe2O3/TiO2Surface deposits Pd.
The deposition process can be as follows：By a certain amount of chlorine palladium acid（H2PdCl4）It is dissolved in containing methanol and distilled water
1:4（Volume ratio）In mixed solution, tetraethylene-glycol is added（For the 10-30% of mixed liquor volume）As stabilizer,
By Ce2O3/Fe2O3/TiO2Catalyst is added under stirring in the solution, then adds 0.1M-0.5M sodium borohydride,
Reductase 12-5h at 60-100 DEG C, after reaction terminates, filtering is washed with deionized several times, uses AgNO3Solution detects Cl-Until nothing
Precipitation is produced, 60-100 DEG C of dry 1-6h, produces doping Ce, Pd and Fe TiO2Catalyst.
Pd particle size is preferably 1.2-4.0nm in the catalyst.In the granulometric range, catalytic effect is optimal.
The present inventor has found that Ce doping can improve the visible light catalysis activity of catalyst, 0.3 weight % by numerous studies
Ce dopings 80% nitrogen oxides can be removed in 100 DEG C, 60min；The Ce of incorporation is with Ce2O3Formal distribution in TiO2
In, and Ti-O-Ce keys are formed, suppress titanium dioxide Anatase and change to Rutile Type, improve phase transition temperature, reduce crystal grain
Size and increase specific surface area of catalyst, in addition Ce doping can improve TiO2In the absorption of visible region, make catalyst ABSORPTION EDGE
Moved to long wave, it is assumed that Ce can improve the recombination rate of photo-generate electron-hole pair, this is probably the weight that catalyst activity is improved
Want reason.
Pd introducing reduces crystallite dimension and increases specific surface area of catalyst, and the Pd particles of the particle size
Optimal denitration effect can be shown.
Preferably, the packed layer can be for catalyst layer in itself.
The catalyst of the present invention can strengthen catalytic effect using light source, and the light is preferably ultraviolet light.
In a preferred embodiment of the invention, the ozone generating-device includes arc chamber dielectric substance, the electric discharge
Room dielectric substance is thin-walled tubular, is made of ceramic materials.The ceramic material is more preferably the ceramics mixed with anatase（It is referred to as sharp
Titanium ore ceramics, anatase content can be 40-80% weight）.Further preferably doped with 1.0%-3.0% weights in the anatase ceramics
The CaTiO of amount3。CaTiO3The doping of perovskite can make TiO2Grain growth causes dense and uniform, it is possible to increase ozone produces effect
Rate, for example, can improve 10-25%.
(≤10000Hz) is about 90 or so to the dielectric constant of the composite ceramics light-wall pipe of the present invention at low frequency, and the value is
10 times or so of aluminium oxide ceramics, the farther dielectric material conventional far above ozone generators such as glass, enamel.Using
This Detitanium-ore-type ceramic thin-walled tubes is equipped with the power supply that rated power is 300W as the dielectric substance of ozone generator, oxygen-enriched with 80%
Air is source of the gas, is 7000Hz in supply frequency, input voltage is 220V, in the case that electric current is 0.3A, 24h continuous-stables fortune
OK, the ozone concentration of generation reaches 50mg/L, and efficiency of ozone generation is 170g/kWh, is commercially available ozone generating-device（For example
Purchased from Japanese Mitsubishi Electric ozone generating-device）1.5-3.0 times of efficiency, and energy consumption is relatively low, can drop
Low 10%-30%.
The Detitanium-ore-type ceramic thin-walled tubes of the present invention are as ozone generator dielectric substance, and the corona inception voltage of generator is about
For 1000V or so, and it is its corona inception voltage one of the ozone generator of dielectric material with glass, enamel, aluminium oxide ceramics etc.
As need to reach 4000-10000V.
The inventors discovered that, in general ozone oxidation desulphurization denitration, due to the use of ozone, tail gas after treatment
It is middle to contain remaining a small amount of ozone, if these ozone loss, may cause air to wreck.And in the present invention, due to
The use of the catalyst, enhances the oxidation activity of ozone, and ozone decomposed completely, there's almost no ozone loss and discharge,
It is such to have the technical effect that previously institute is unanticipated.
The beneficial effects of the invention are as follows：Flue gas processing device disclosed in this invention, by ozone generating-device and fume pipe
Road carries out integrated setting, and by ozone application during to flue gas oxidation and denitration desulfurization, fume treatment works well, this dress
Put compact conformation rationally, greatly reduce whole device volume, meanwhile, ozone generating-device is arranged on flue outer wall
On, the length of ozone transfer pipeline is shortened, pipe loss is reduced, production cost is saved.Further, since efficient oxidation catalyst
Use, can be more effectively to flue gas desulfurization and denitrification, while the residual of ozone can also be reduced.Also, the ozone of the present invention
The luminous efficiency of generating means is high, can further improve fume treatment efficiency.
Brief description of the drawings
Fig. 1 is flue gas processing device structural representation disclosed in this invention；
Fig. 2 is put for ozone generating-device in flue gas processing device disclosed in this invention with flue outer wall connection structure
Big schematic diagram；
Fig. 3 is flue gas processing device A-A disclosed in this invention to structural representation；
Fig. 4 is ozone generating-device structural representation in flue gas processing device disclosed in this invention；
Fig. 5 is ozone generating-device B-B direction structural representation in flue gas processing device disclosed in this invention.
Embodiment
Specific embodiments of the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of flue gas processing device, including flue 1, flue 1 is hollow cylindrical structure,
The top of flue 1, is provided with exhanst gas outlet 10, below flue 1, is provided with gas approach, inside flue 1
Bottom is provided with tank 7, discharge outlet 8 is provided with tank 7, the discharge outlet 8 on the outside of the tube wall of flue 1 with connecting.
Inside flue 1, packing course 2 is provided with, packing course 2 is sandwich construction, the flue gas below ozone generating-device 6
Pipeline 1 is internally provided with one or more layers packing course 2.In flue 1, showering washing device, wash spray dress are additionally provided with
Be set to the multiple spray headers 3 being arranged on inside flue, be provided with spray head 5 on spray header 3, spray header 3 with
The feed pipe 4 being arranged on the outer wall of flue 1 is connected.Multiple be used for more is additionally provided with the tube wall of flue 1
Change the manhole 9 of packing course 2.
On the outer wall of flue 1, ozone generating-device 6 is provided with, as shown in figure 3, in the present embodiment, ozone hair
Generating apparatus 6 is 50, is uniformly fixedly installed on the outer wall of flue 1.Certainly, according to specific device requirement, ozone occurs
The quantity of device 6 can be changed with position, be configured according to specific needs.For example, multiple ozone can be occurred
Device 6 is arranged in the multilayer of the outer wall different height of flue 1, and every layer of ozone generating-device 6 is multiple, is uniformly arranged on
On the outer wall circumference of flue 1.
In the present embodiment, as shown in Fig. 2 each ozone generating-device 6 is fixed on outside flue 1 by fixed mount 23
On wall, between the outer wall of flue 1 and ozone generating-device 6, insulation board 24 is provided with.
Ozone generating-device in the present embodiment is specific as shown in figure 4, including interior electrode 25 and external electrode 28, interior electrode 25
It is hollow cylinder with external electrode 28, external electrode 28 is set in the outside of interior electrode 25, in interior electrode 25 and external electrode 28
Between be disposed with discharging gap 26 and dielectric medium 27, in the present invention, dielectric medium 27 can by quartz or ceramics be made.
Closeouts are provided at both ends with interior electrode 25, external electrode 28, dielectric medium 27 and discharging gap 26, as shown in figure 4, envelope
Blocking piece is made up of insulator 29 with the two parts of electric conductor 32, and insulator 29 is arranged on the two ends of external electrode 28, and is set in interior electrode
25 outsides, are provided with the air inlet 10 that connect with discharging gap 26 and gas outlet 21 on insulator 29, insulator 32 with it is interior
Inlet channel 30 and outlet passageway 33 are provided between electrode 25, inlet channel 30 and outlet passageway 33 are to be arranged on interior electrode
The ring cavity of 25 outer rims, inlet channel 30 is arranged between air inlet 14 and discharging gap 26, and outlet passageway 33 is arranged on out
Between gas port 22 and discharging gap 26.Air inlet 14 is arranged on the outside of flue 1, and gas outlet 22 connects with the one end of escape pipe 18
Logical, the other end of escape pipe 18 is connected with the inner space of flue 1, as shown in Fig. 2 being internally provided with deflation in flue 1
Pipeline 16, is provided with air vent 17 on atmospheric pipe 16, and escape pipe 18 connects setting with atmospheric pipe 16.Air vent 17 is many
It is individual, on the outer wall for being uniformly arranged on atmospheric pipe 16.
As shown in figure 4, electric conductor 32 is dome shape, it is connected by screw thread with the interior end outer wall of electrode 25, by interior electrode 25
Internal cavities sealed, while to insulator 29 carry out axial restraint, delivery port 21 is provided with electric conductor 32 with entering
The mouth of a river 10, delivery port 21 is connected with water inlet 10 with the internal cavities of interior electrode 25, water-cooling system is formed, in flue 1
On outer wall circumference, water inlet manifold 12 and outfall sewer 19 are provided with, water inlet 10 is connected with water inlet manifold 12, and delivery port 21 is with going out
Supply mains 19 connects.
As shown in figure 5, being provided with radiating fin 31 on external electrode 28, radiating fin 31 is multi-disc, is uniformly arranged on dispatch from foreign news agency
On the outer wall of pole 28, and it is integrally formed in external electrode 28.
Each ozone generating-device 6 is fixed on the outer wall of flue 1 by fixed support 23, is filled in ozone
Put 6 outside, be additionally provided with power supply 25.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (9)
1. a kind of flue gas processing device, including flue and ozone generating-device, it is characterised in that：Outside the flue
On wall, ozone generating-device is provided with, the ozone generating-device includes air inlet and gas outlet, and the air inlet is arranged on institute
State on the outside of flue, the gas outlet is connected with escape pipe one end, inside the escape pipe other end and the flue
Space is connected；
The ozone generating-device includes arc chamber dielectric substance, and the arc chamber dielectric substance is for thin-walled tubular and by ceramic material system
Into the ceramic material is the ceramics mixed with anatase, and wherein anatase content is 40-80% weight, the anatase ceramics
In CaTiO also doped with 1.0%-3.0% weight3；
The flue is provided with packing course, the packing course is multilayer, wherein the flue gas below the ozone generating-device
Pipeline is internally provided with one or more layers packing course；
Denitration desulphurization catalyst is provided with the packing course, the catalyst is doping Ce, Pd and Fe TiO2Catalyst, wherein
Gross weight meter based on catalyst, Ce doping is 0.2-0.4 weight %, and it is with Ce2O3Form is present；Fe doping is
0.2-0.8 weight %, it is with Fe2O3Form is present；Pd doping is 0.01-0.10 weight %, and it is with simple substance or absorption oxygen shape
Formula is present, and is deposited on Ce2O3/Fe2O3/TiO2Surface, surplus is substantially TiO2, the Ce2O3And Fe2O3In TiO2In with layer
Shape thing form is present, and Pd particle size is 1.2-4.0nm in the catalyst.
2. a kind of flue gas processing device according to claim 1, it is characterised in that：The ozone generating-device to be multiple,
Uniformly it is fixedly installed on the flue outer wall.
3. a kind of flue gas processing device according to claim 1 or 2, it is characterised in that：The ozone generating-device is set
For the multilayer in flue outer wall different height, every layer of ozone generating-device is multiple, is uniformly arranged on the fume pipe
On pipeline outer wall circumference.
4. a kind of flue gas processing device according to claim 1 or 2, it is characterised in that：The ozone generating-device passes through
Fixed mount is fixed on the flue outer wall.
5. a kind of flue gas processing device according to claim 1 or 2, it is characterised in that：The flue outer wall with
Between the ozone generating-device, insulation board is provided with.
6. a kind of flue gas processing device according to claim 1 or 2, it is characterised in that：Set inside the flue
Atmospheric pipe is equipped with, air vent is provided with the atmospheric pipe, the escape pipe connects setting with the atmospheric pipe.
7. a kind of flue gas processing device according to claim 6, it is characterised in that：The air vent is multiple, is uniformly set
Put on the outer wall of the atmospheric pipe.
8. a kind of flue gas processing device according to claim 1 or 2, it is characterised in that：On the ozone equipment, also set
Be equipped with water-cooling system, the water-cooling system includes water inlet and delivery port, on the flue outer wall circumference, be provided with into
Supply mains and outfall sewer, the water inlet are connected with the water inlet manifold, and the delivery port is connected with the outfall sewer.
9. a kind of flue gas processing device according to claim 1 or 2, it is characterised in that：Set in the flue
There is showering washing device, the showering washing device is connected with external water source, and discharge outlet is provided with below the flue.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610400923.5A CN105879668B (en) | 2016-06-08 | 2016-06-08 | A kind of flue gas processing device |
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| CN201610400923.5A CN105879668B (en) | 2016-06-08 | 2016-06-08 | A kind of flue gas processing device |
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| CN105879668A CN105879668A (en) | 2016-08-24 |
| CN105879668B true CN105879668B (en) | 2017-10-20 |
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