CN110368787A - A kind of ozone denitration injection evenly mixing device - Google Patents
A kind of ozone denitration injection evenly mixing device Download PDFInfo
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- CN110368787A CN110368787A CN201910670406.3A CN201910670406A CN110368787A CN 110368787 A CN110368787 A CN 110368787A CN 201910670406 A CN201910670406 A CN 201910670406A CN 110368787 A CN110368787 A CN 110368787A
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- ozone
- injection
- supervisor
- mixing device
- evenly mixing
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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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—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
- B01D53/76—Gas phase processes, e.g. by using aerosols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/10—Mixing gases with gases
- B01F23/19—Mixing systems, i.e. flow charts or diagrams; Arrangements, e.g. comprising controlling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
- B01F25/4314—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/104—Ozone
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention belongs to ozone denitration technology fields, and in particular to a kind of ozone denitration injection evenly mixing device.The evenly mixing device includes reacting pipe and the injection apparatus that connect with ozone generator, and ozone supervisor is provided in the reacting pipe, and several injection apparatus settings are responsible for side wall in ozone；The injection apparatus is responsible for by injection and injection branch pipe forms, and is provided with nozzle on the injection branch pipe；The injection supervisor is Y-shaped with two injection branch pipes, and the injection supervisor is connected to ozone supervisor；Described two injection branch pipes are oriented obliquely and obliquely both direction；Injection supervisor and injection branch pipe are arranged in shield；Spiral shape spiral board is provided in the reacting pipe；The ozone supervisor can rotate under motor effect.The evenly mixing device structure is simple, and flue gas flow rate is fast, and spray head and former flue gas good mixing effect, work efficiency is high, long service life.
Description
Technical field
The invention patent belongs to ozone denitration technology field, and in particular to a kind of ozone denitration injection evenly mixing device.
Background technique
With NOXDischarge amount is continuously increased, by NOXCaused problem of environmental pollution has attracted increasing attention.Due to
Waste incinerator, the fuel characteristic of biomass fuel boiler and smoke components, flying dust property determine that denitrating flue gas cannot use
Conventional SCR method and SNCR method.
Currently, the two schemes for comparing mainstream are low-temperature SCR and Ozonation denitration technology.Compare on Technical Economy
Compared with Ozonation denitration has great advantage.Ozonation denitration mainly utilizes the strong oxidizing property of ozone, by flue gas
NOXThe insoluble NO of middle 95% or more accounting is converted into soluble high-valence state nitrogen oxides, then the high-valence state in scrubbing tower
Nitrogen oxides generates nitric acid or its salt by water or Alkali absorption, reaches removing NOXPurpose.Reaction equation is as follows:
NO+O3→NO2+O2
NO2+O3→NO3+O2
NO3+NO2→N2O5
4NO2+O2+2H2O=4HNO3
2HNO3+Ca(OH)2=Ca (NO3)2+2H2O
Research shows that: Ozonation belongs to fast response, in the case where good mixing, ozone and NOXReaction 0.1
Balance is basically reached in second.
Therefore, ozone and NOXMixed effect and speed have highly important influence for denitration efficiency, at present apply
Injection apparatus by a main pipe and multiple sprinkler compositions, spray head and flue gas stream Long Term Contact cause spray head to be particularly easy to wear,
And it is bad with the mixed effect of former flue gas；Using plate spiral board, gas flow is hindered, working efficiency is influenced.
Summary of the invention
The technical problem to be solved by the present invention is in view of the foregoing drawbacks, the present invention provides a kind of ozone denitration injection mixing
Device, structure is simple, and flue gas flow rate is fast, and spray head and former flue gas good mixing effect, work efficiency is high, and spray head is not easy to wear, uses
Service life is long.
It is as follows that the technical scheme adopted by the invention to solve the technical problem: a kind of ozone denitration injection evenly mixing device, including
Reacting pipe and the injection apparatus connecting with ozone generator are provided with ozone supervisor, the ozone in the reacting pipe
First pressure space and second pressure space are provided in supervisor, the first pressure space and second pressure space pass through setting
Pressure diaphragm be separated by, through-hole is provided on pressure diaphragm；Piston, the piston and are provided in the first pressure space
There are gaps for one pressure space inner wall；
Several injection apparatus settings are responsible for side wall in ozone；The injection apparatus is responsible for by injection and injection branch pipe group
At the injection supervisor is Y-shaped with two injection branch pipes, and the injection supervisor is connected to ozone supervisor；Described two injections
Branch pipe is oriented obliquely and obliquely both direction；Nozzle is provided on the injection branch pipe；Setting in the reacting pipe
There is spiral board.First pressure space and second pressure space are set, pressure when coming out from sampling ejector charge can be increased, mentioned
High ozone sprays flow velocity, and activation energy when improving ozone and smoke contacts improves fume treatment efficiency；The injection of different directions is set
Branch pipe, a branch pipe and the convection current of flue gas stroke, improve contact area；One branch pipe with flue gas is at an acute angle contacts, play stirring and make
With raising reaction rate；The ozone denitration spray evenly mixing device structure it is simple, the spiral board of setting can increase flue gas with
The contact area of ozone improves blending efficiency.
Further, the spiral board is spiral plate.The spiral board of screw type can extend flue gas in reacting pipe
Stroke, and flue gas flow rate is not influenced, the reaction time is reduced, working efficiency is improved, denitration effect is good.
Further, several triangle fans are provided on the spiral board, the triangle fan is by three blades and is fixed on rotation
Support bar group in flowing plate at.The triangle fan of setting further flow-disturbing under power effect when flue gas and ozone convey and collide,
Its flowing for rotating energy gas in system, energy-saving, the good mixing effect of flue gas and ozone.
Further, injection supervisor and injection branch pipe are arranged in shield.Shield is spraying setting
Nozzle on branch pipe has protective effect, exists to prevent nozzle and flue gas direct long term contact and wears, and extends ozone denitration spray
The service life of injection device.
Further, the spiral board and ozone supervisor are seamlessly connected.Spiral board and ozone supervisor are seamlessly connected, Ji Nengti
The firmness that high spiral board is connect with system, and there are guide functions to flue gas, avoid flue gas from moving along gap and ozone
Expected denitration effect is not achieved in insufficient contact.
Further, the ozone supervisor can rotate under motor effect.It is and smelly when spiral board is only connect with reacting pipe
When oxygen supervisor is not connected to, the injection apparatus being arranged on ozone supervisor follows ozone supervisor's rotation, and ozone and flue gas have flow velocity
Difference, there are flow-disturbing phenomenons, improve two reaction rates；When spiral board and ozone supervisor are seamlessly connected, ozone supervisor's rotation
When, spiral board rotation is driven, and there is flow-disturbing stirring action to flue gas, it will be apparent that, flow-disturbing effect is only and instead better than spiral board
Pipeline is answered to connect.
Further, second pressure space entrance is provided with pressure regulator valve.The pressure regulator valve of setting can detecte system
Interior pressure is realized automatic detection, is improved according to the pressure in flue gas flow adjusting first pressure space, second pressure space
The accuracy rate of fume treatment, avoids wastage of material.
The beneficial effects of the present invention are:
1, using the above scheme, ozone denitration injection evenly mixing device structure is simple, and the spiral board of setting can increase
Add the contact area of flue gas and ozone, improves blending efficiency；The spiral board of screw type can extend flue gas in reacting pipe
Stroke, and flue gas flow rate is not influenced, the reaction time is reduced, working efficiency is improved, denitration effect is good；Be arranged first pressure space and
Second pressure space can increase pressure when coming out from sampling ejector charge, improve ozone and spray flow velocity, improve ozone and cigarette
Activation energy when gas contacts improves fume treatment efficiency；The injection branch pipe of different directions, a branch pipe and flue gas stroke pair are set
Stream improves contact area；One branch pipe with flue gas is at an acute angle contacts, play stirring action, improve reaction rate；The triangle of setting
Fan further flow-disturbing under power effect when flue gas and ozone convey and collide, rotates the stream of energy gas in system
It is dynamic, energy-saving, the good mixing effect of flue gas and ozone；Spiral board and ozone supervisor be seamlessly connected, can improve spiral board with
System connection firmness, and to flue gas have guide functions, avoid flue gas along gap move with ozone insufficient contact,
Expected denitration effect is not achieved.
2, shield has protective effect to the nozzle being arranged on injection branch pipe, directly connects for a long time to prevent nozzle and flue gas
There is abrasion in touching, extend the service life of the ozone denitration injection apparatus.
3, when spiral board is only connect with reacting pipe, is not connected to ozone supervisor, the injection on ozone supervisor is set
Device follows ozone supervisor's rotation, and ozone and flue gas have current difference, and there are flow-disturbing phenomenons, improves two reaction rates；When
When spiral board and ozone supervisor are seamlessly connected, when ozone supervisor rotates, spiral board rotation is driven, and stir with flow-disturbing to flue gas
Effect, it will be apparent that, flow-disturbing effect is only connect with reacting pipe better than spiral board.
4, the pressure regulator valve being arranged can detecte pressure in system, adjust first pressure space, the second pressure according to flue gas flow
Pressure in power space realizes automatic detection, improves the accuracy rate of fume treatment, avoid wastage of material.
Detailed description of the invention
Through the following detailed description taken in conjunction with the accompanying drawings, present invention objects, features and advantages above-mentioned and other will become
Obviously.
Fig. 1 is the invention patent structural schematic diagram；
Fig. 2 is the invention patent ozone main pipe's structural schematic diagram；
Fig. 3 is injection apparatus schematic diagram of internal structure of the present invention；
Fig. 4 is the invention patent triangle fan structural schematic diagram；
Wherein: 1 is reacting pipe, and 2 are responsible for for ozone, and 21 be first pressure space, and 22 be second pressure space, and 23 be pressure
Power partition, 24 be through-hole, and 25 be piston, and 26 be pressure regulator valve, and 3 be spiral board, and 4 be injection apparatus, and 41 be injection supervisor, and 42 be spray
Branch pipe is penetrated, 43 be nozzle, and 44 be shield, and 5 be triangle fan, and 51 be blade, and 52 be support rod, and 6 be ozone generator, and A is cigarette
Gas direction.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing and example, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Referring to Fig.1 shown in-Fig. 4, a kind of ozone denitration injection evenly mixing device, including reacting pipe 1 and and ozone generator
The injection apparatus 4 of connection is provided with ozone supervisor 2 in the reacting pipe 1, is provided with the first pressure in the ozone supervisor 2
Power space 21 and second pressure space 22, the first pressure space 21 pass through the pressure diaphragm of setting with second pressure space 22
23 are separated by, and through-hole 24 is provided on pressure diaphragm 23；Be provided with piston 25 in the first pressure space 21, the piston 25 with
There are gaps for 21 inner wall of first pressure space；22 entrance of second pressure space is additionally provided with pressure regulator valve 26；If the dry-spray
The setting of device 4 is responsible for 2 side walls in ozone；The injection apparatus 4 is made of injection supervisor 41 and injection branch pipe 42, the injection
Supervisor 41 is Y-shaped with two injection branch pipes 42, and the injection supervisor 41 is connected to ozone supervisor 2；41 Hes are responsible in the injection
Injection branch pipe 42 is arranged in shield 44；Described two injection branch pipes 42 are oriented obliquely and obliquely both direction；
Nozzle 43 is provided on the injection branch pipe 42；Spiral spiral board 3 is provided in the reacting pipe 1；The spiral board 3
On be provided with several triangle fans 5, the triangle fan 5 is made of three blades 51 and the support rod 52 being fixed on spiral board 3；Institute
State 2 seamless connection of spiral board 3 and ozone supervisor；The ozone supervisor 2 can rotate under motor effect.
It is as follows that evenly mixing device working principle is sprayed in the ozone denitration:
Flue gas is blown into from 1 bottom end of reacting pipe, is moved along spiral shape spiral board 3；The ozone warp that ozone generator 6 generates
Piston 25 enters second pressure space 22, then enters first pressure space 21 by through-hole 24, and by the monitoring entrance of pressure regulator valve 26
Portion's pressure, in the case where pressure is as motive force, ozone enters in injection supervisor 41, and branches to two injection branch pipes 42；It is smelly simultaneously
Oxygen supervisor 2 rotates under motor effect, has flow-disturbing effect to flue gas and streams of ozone, and will in flue gas and ozone transmission process
Its kinetic energy a part is converted into triangle fan 5 and moves potential energy, energy-saving, further improves mixed effect, improves working efficiency.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (7)
1. evenly mixing device is sprayed in a kind of ozone denitration, it is responsible for including reacting pipe (1) and the ozone being connect with ozone generator (6)
(2) and for ozone the injection apparatus (4) sprayed, it is characterised in that: the ozone supervisor (2) is arranged in reacting pipe
(1) internal, first pressure space (21) and second pressure space (22), first pressure are provided in the ozone supervisor (2)
Power space (21) is separated by with second pressure space (22) by the pressure diaphragm (23) of setting, is provided on pressure diaphragm (23) logical
Hole (24)；It is provided with piston (25) in the first pressure space (21), in the piston (25) and first pressure space (21)
There are gaps for wall；
Several injection apparatus (4) setting is responsible for (2) side wall in ozone；The injection apparatus (4) by injection supervisor (41) and
Spray branch pipe (42) composition, the described injection supervisor (41) and two injection branch pipes (42) are Y-shaped, the injection be responsible for (41) and
Ozone is responsible for (2) connection；Described two injection branch pipes (42) are oriented obliquely and obliquely both direction；The injection branch pipe
(42) nozzle (43) are provided on；Spiral board (3) are provided in the reacting pipe (1).
2. evenly mixing device is sprayed in a kind of ozone denitration as described in claim 1, it is characterised in that: the spiral board (3) is spiral shell
Rotating plate.
3. evenly mixing device is sprayed in a kind of ozone denitration as described in claim 1, it is characterised in that: set on the spiral board (3)
It is equipped with several triangle fans (5), the triangle fan (5) is by three blades (51) and the support rod (52) being fixed on spiral board (3)
Composition.
4. evenly mixing device is sprayed in a kind of ozone denitration as described in claim 1, it is characterised in that: (41) are responsible in the injection
It is arranged in shield (44) with injection branch pipe (42).
5. evenly mixing device is sprayed in a kind of ozone denitration as described in claim 1, it is characterised in that: the spiral board (3) with it is smelly
Oxygen is responsible for (2) seamless connection.
6. evenly mixing device is sprayed in a kind of ozone denitration as claimed in claim 1 or 5, it is characterised in that: the ozone is responsible for (2)
It can be rotated under motor effect.
7. evenly mixing device is sprayed in a kind of ozone denitration as described in claim 1, it is characterised in that: the second pressure space
(22) entrance is provided with pressure regulator valve (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910670406.3A CN110368787B (en) | 2019-07-24 | 2019-07-24 | Ozone denitration sprays mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910670406.3A CN110368787B (en) | 2019-07-24 | 2019-07-24 | Ozone denitration sprays mixing device |
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| Publication Number | Publication Date |
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| CN110368787A true CN110368787A (en) | 2019-10-25 |
| CN110368787B CN110368787B (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910670406.3A Active CN110368787B (en) | 2019-07-24 | 2019-07-24 | Ozone denitration sprays mixing device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036104A (en) * | 2019-12-31 | 2020-04-21 | 安徽微宇仪器科技有限公司 | Mixer and high-temperature flue gas treatment device with same |
| CN111701449A (en) * | 2020-06-23 | 2020-09-25 | 杭州航民小城热电有限公司 | Coal fired boiler flue gas SCR dry process denitrification facility |
| CN111871191A (en) * | 2020-07-22 | 2020-11-03 | 张志乐 | Flue gas denitration device provided with microbial conversion absorption system |
| CN113145007A (en) * | 2021-05-26 | 2021-07-23 | 昆明珑瑞一焰气体产品配送服务有限公司 | Device for mixed conveying of natural gas and additive |
| CN113521995A (en) * | 2021-07-28 | 2021-10-22 | 王小波 | Natural gas exploitation desulfurization device and desulfurization method thereof |
| CN114210187A (en) * | 2021-12-15 | 2022-03-22 | 乔治洛德方法研究和开发液化空气有限公司 | Method for removing nitrogen oxides from exhaust gases and injection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036104A (en) * | 2019-12-31 | 2020-04-21 | 安徽微宇仪器科技有限公司 | Mixer and high-temperature flue gas treatment device with same |
| CN111701449A (en) * | 2020-06-23 | 2020-09-25 | 杭州航民小城热电有限公司 | Coal fired boiler flue gas SCR dry process denitrification facility |
| CN111701449B (en) * | 2020-06-23 | 2022-06-24 | 杭州航民小城热电有限公司 | Coal fired boiler flue gas SCR dry process denitrification facility |
| CN111871191A (en) * | 2020-07-22 | 2020-11-03 | 张志乐 | Flue gas denitration device provided with microbial conversion absorption system |
| CN113145007A (en) * | 2021-05-26 | 2021-07-23 | 昆明珑瑞一焰气体产品配送服务有限公司 | Device for mixed conveying of natural gas and additive |
| CN113145007B (en) * | 2021-05-26 | 2023-03-10 | 昆明珑瑞一焰气体产品配送服务有限公司 | Device for mixing and conveying natural gas and additive |
| CN113521995A (en) * | 2021-07-28 | 2021-10-22 | 王小波 | Natural gas exploitation desulfurization device and desulfurization method thereof |
| CN113521995B (en) * | 2021-07-28 | 2024-02-06 | 成都市艾博实业有限公司 | Natural gas exploitation desulfurization device and desulfurization method thereof |
| CN114210187A (en) * | 2021-12-15 | 2022-03-22 | 乔治洛德方法研究和开发液化空气有限公司 | Method for removing nitrogen oxides from exhaust gases and injection device |
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| CN110368787B (en) | 2021-08-06 |
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