CN207822775U - A kind of efficient flue gas desulfurization and denitrification device - Google Patents
A kind of efficient flue gas desulfurization and denitrification device Download PDFInfo
- Publication number
- CN207822775U CN207822775U CN201721859109.6U CN201721859109U CN207822775U CN 207822775 U CN207822775 U CN 207822775U CN 201721859109 U CN201721859109 U CN 201721859109U CN 207822775 U CN207822775 U CN 207822775U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- tower
- storage tank
- mixing reactor
- denitrification device
- 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.)
- Expired - Fee Related
Links
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of efficient flue gas desulfurization and denitrification devices,Including flue gas input pipe,Denitrating tower and the desulfurizing tower being connected with denitrating tower,One end of flue gas input pipe is connected with dust-extraction unit,One end of dust-extraction unit is provided with mixing reactor,Air-introduced machine is installed between dust-extraction unit and mixing reactor,The upper end of mixing reactor is equipped with ozone generator,One end of ozone generator is connected with oxygen tank,One end of mixing reactor is connected to denitrating tower,Several groups multistage nozzle is equidistantly distributed in the upper end of denitrating tower and hydrogen peroxide storage tank,Wherein,One end of multistage nozzle on denitrating tower is connected with hydrogen peroxide storage tank,Multistage nozzle on desulfurizing tower is connected with desulfurizing agent storage tank,The upper end of desulfurizing tower is provided with flue gas exit pipe,This kind of efficient flue gas desulfurization and denitrification device,Using the combination oxidation and denitration system of ozone and hydrogen peroxide,With denitration efficiency height,The low advantage of operating cost.
Description
Technical field
The utility model is related to desulphurization denitration technical field, specially a kind of efficient flue gas desulfurization and denitrification device.
Background technology
For coal as main energy sources object, the total amount of the pollutants such as SO2, NOx of combustion process discharge is very big, can cause tight
The atmosphere pollution of weight, endangers human health.Control to SO2, technology more mature at present is lime stone-gypsum, removing
Efficiency is up to 95% or more.In addition there are the technologies such as furnace sorbent injection desulfurization, E-beam absorption.Two classes are divided into the control of NOx,
One kind is the born of NOx in control coal-fired process, mainly there is low oxygen combustion method, two stage combustion method and flue gas recirculation method etc..Separately
One kind is removed by physico-chemical process, mainly there is catalysis, absorption and sorption, electric discharge etc..Wherein widely applied is choosing
Selecting property catalytic reduction method (SCR), removal efficiency is up to 90% or more.Requirement with country to thermal power plant's pollutant emission is increasingly
Strictly, simultaneous SO_2 and NO removal has become the development trend of flue gas pollutant control technology.It is widely used that both at home and abroad at present wet
The combination of formula flue gas desulfurization and NH3 selective catalysis reduction technique denitrations.The denitrification efficiency of the technology is no doubt high, but invests
It is expensive with operation capital.Other desulphurization denitration technologies further include plasma method, catalysis method, absorption method etc., but only a small number of
Into into production application.
So how to design a kind of efficient flue gas desulfurization and denitrification device, becoming us will currently solve the problems, such as.
Utility model content
The purpose of this utility model is to provide a kind of efficient flue gas desulfurization and denitrification devices, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions：A kind of efficient flue gas desulfurization and denitrification device,
Including flue gas input pipe, denitrating tower and the desulfurizing tower being connected with the denitrating tower, one end of the flue gas input pipe connects
Have a dust-extraction unit, one end of the dust-extraction unit is provided with mixing reactor, the dust-extraction unit and the mixing reactor it
Between air-introduced machine is installed, the upper end of the mixing reactor is equipped with ozone generator, one end connection of the ozone generator
There is oxygen tank, and is provided with electric control valve between the ozone generator and the oxygen tank, one end of the mixing reactor
It is connected to the denitrating tower, the side of the denitrating tower is equipped with hydrogen peroxide storage tank, the denitrating tower and hydrogen peroxide storage
Several groups multistage nozzle is equidistantly distributed in the upper end of tank, and the side of the multistage nozzle is mounted on force (forcing) pump, wherein institute
The one end for stating the multistage nozzle on denitrating tower is connected with hydrogen peroxide storage tank, and the multistage nozzle on the desulfurizing tower is connected with desulfurization
The upper end of agent storage tank, the desulfurizing tower is provided with flue gas exit pipe.
Further, the inner wall of the flue gas exit pipe is equipped with ozone detection module, and the ozone detection module passes through dynamic
State control module is connected with oxygen the controlling of injecting quantity instrument, and the oxygen the controlling of injecting quantity instrument and the electrical phase of the electric control valve
Even.
Further, the flue gas exit pipe is internally provided with activated carbon adsorption layer.
Further, the bottom of the desulfurizing tower is settling zone, and the side of the settling zone is equipped with sewage draining exit.
Further, the dust-extraction unit uses plasma flue gas cleaner.
Further, it is provided with booster fan between the mixing reactor and the denitrating tower.
Further, the desulfurizing agent storage tank is internally provided with desulfurizing agent, which uses sodium carbonate or basic sulfate
Aluminium.
Compared with prior art, the utility model has the beneficial effects that：
1. this kind of efficient flue gas desulfurization and denitrification device is had using the combination oxidation and denitration system of ozone and hydrogen peroxide
Denitration efficiency is high, the low advantage of operating cost；
2. this kind of efficient flue gas desulfurization and denitrification device, the flue gas after denitration enters desulfurizing tower, in desulfurizing tower
Multistage nozzle occurs chemical reaction with desulfurizing agent and is removed the mesh for reaching desulfurization to mist formation hood shape injection below desulfurizing tower
, have the advantages that operation operation is easy；
3. being equipped with ozone detection module on flue gas exit pipe, the ozone of discharge can be detected, be controlled by dynamic
Molding block controls ozone injection rate, can accurately control the discharge capacity of nitrogen oxides, ozone is avoided to escape.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the module map of the utility model；
In figure：1- flue gas input pipes；2- dust-extraction units；3- ozone generators；4- oxygen tanks；5- electric control valves；6- air inducing
Machine；7- mixing reactors；8- booster fans；9- denitrating towers；10- hydrogen peroxide storage tanks；11- desulfurizing towers；12- sewage draining exits；13-
Desulfurizing agent storage tank；14- force (forcing) pumps；15- multistage nozzles；16- flue gas exit pipes；17- ozone detection modules；18- activated carbons are inhaled
Attached layer；19- Dynamic control modules；20- oxygen the controlling of injecting quantity instrument.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of efficient flue gas desulfurization and denitrification device, packet
Include flue gas input pipe 1, denitrating tower 9 and the desulfurizing tower 11 being connected with the denitrating tower 9, one end of the flue gas input pipe 1
It is connected with dust-extraction unit 2, one end of the dust-extraction unit 2 is provided with mixing reactor 7, the dust-extraction unit 2 and the mixing
Air-introduced machine 6 is installed, the upper end of the mixing reactor 7 is equipped with ozone generator 3, and the ozone occurs between reactor 7
One end of device 3 is connected with oxygen tank 4, and electric control valve 5 is provided between the ozone generator 3 and the oxygen tank 4, described
One end of mixing reactor 7 is connected to the denitrating tower 9, and the side of the denitrating tower 9 is equipped with hydrogen peroxide storage tank 10, described de-
Several groups multistage nozzle 15, the multistage nozzle 15 is equidistantly distributed in the upper end of nitre tower 9 and the hydrogen peroxide storage tank 10
Side be mounted on force (forcing) pump 14, wherein one end of the multistage nozzle 15 on the denitrating tower 9 is connected with hydrogen peroxide storage tank
10, the multistage nozzle 15 on the desulfurizing tower 11 is connected with desulfurizing agent storage tank 13, and the upper end of the desulfurizing tower 11 is provided with cigarette
Gas efferent duct 16, the above basic structure for constituting the utility model.
The utility model uses such structure setting, and operation principle is：Flue gas enters dedusting by flue gas input pipe 1
In device 2, enter in mixing reactor 7 later, in mixing reactor 7, the flue gas first oxidation through ozone will be insoluble low
Valence state nitrogen oxides are soluble high-valence state nitrogen oxides, and one end of the multistage nozzle 15 on denitrating tower 9 is connected with double
Oxygen water storage tank 10 is further aoxidized using hydrogen peroxide, has denitration efficiency height, the low advantage of operating cost；Then through denitration
9 gas outlet of tower enters in desulfurizing tower 11, and the multistage nozzle 15 in desulfurizing tower 11 is sprayed to 11 lower section mist formation hood shape of desulfurizing tower,
The most solid such as cigarette ash that chemical reaction occurs with desulfurizing agent and is removed and achievees the purpose that desulfurization, and include in flue gas,
Also most of wrapped up by liquid mist and settling zone is segregated into from flue gas, nitrogen oxides in gas after desulphurization denitration and
The sulfide overwhelming majority is handled by absorption, is discharged later by flue gas exit pipe 16.
More specifically, the inner wall of the flue gas exit pipe 16 is equipped with ozone detection module 17, the ozone detection module
17 are connected with oxygen the controlling of injecting quantity instrument 20 by Dynamic control module 19, and the oxygen the controlling of injecting quantity instrument 20 with it is described
Electric control valve 5 is electrical connected, the structure setting more than, and operation principle is：Ozone is installed on flue gas exit pipe 16
Detection module 17 can be detected the ozone of discharge, and ozone injection rate is controlled by Dynamic control module 19, can relatively precisely
Ground controls the discharge capacity of nitrogen oxides, and ozone is avoided to escape, cost-effective.
More specifically, the flue gas exit pipe 16 is internally provided with activated carbon adsorption layer 18, passes through activated carbon adsorption layer
18 can carry out advanced treating to the flue gas of discharge.
More specifically, the bottom of the desulfurizing tower 11 is settling zone, and the side of the settling zone is equipped with sewage draining exit 12, can be right
The sediment of formation is discharged.
Preferably, the dust-extraction unit 2 uses plasma flue gas cleaner, at this time a small amount of oxygen, the vapor in flue gas
High energy electron and hydroxyl radical free radical are reacted into micro fine particle has oxidation to nitric oxide, and is aoxidized for ozone pair one
The oxidation of nitrogen provides good reaction condition, improves the efficiency of ozone oxidation nitrogen oxides.
More specifically, it is provided with booster fan 8 between the mixing reactor 7 and the denitrating tower 9, improves flue gas
Denitrification efficiency.
Preferably, the desulfurizing agent storage tank 13 is internally provided with desulfurizing agent, which uses sodium carbonate or basic sulfate
Aluminium.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of efficient flue gas desulfurization and denitrification device, including flue gas input pipe (1), denitrating tower (9) and with the denitrating tower
(9) desulfurizing tower (11) being connected, it is characterised in that：One end of the flue gas input pipe (1) is connected with dust-extraction unit (2), institute
The one end for stating dust-extraction unit (2) is provided with mixing reactor (7), between the dust-extraction unit (2) and the mixing reactor (7)
Air-introduced machine (6) is installed, the upper end of the mixing reactor (7) is equipped with ozone generator (3), the ozone generator (3)
One end be connected with oxygen tank (4), and be provided with electric control valve between the ozone generator (3) and the oxygen tank (4)
(5), one end of the mixing reactor (7) is connected to the denitrating tower (9), and the side of the denitrating tower (9) is equipped with hydrogen peroxide
Several groups multistage is equidistantly distributed in the upper end of storage tank (10), the denitrating tower (9) and the hydrogen peroxide storage tank (10)
The side of nozzle (15), the multistage nozzle (15) is mounted on force (forcing) pump (14), wherein the multistage on the denitrating tower (9)
One end of nozzle (15) is connected with hydrogen peroxide storage tank (10), and the multistage nozzle (15) on the desulfurizing tower (11) is connected with desulfurization
The upper end of agent storage tank (13), the desulfurizing tower (11) is provided with flue gas exit pipe (16).
2. a kind of efficient flue gas desulfurization and denitrification device according to claim 1, it is characterised in that：The flue gas exit pipe
(16) inner wall is equipped with ozone detection module (17), and the ozone detection module (17) is connected with by Dynamic control module (19)
Oxygen the controlling of injecting quantity instrument (20), and the oxygen the controlling of injecting quantity instrument (20) is electrical connected with the electric control valve (5).
3. a kind of efficient flue gas desulfurization and denitrification device according to claim 1, it is characterised in that：The flue gas exit pipe
(16) be internally provided with activated carbon adsorption layer (18).
4. a kind of efficient flue gas desulfurization and denitrification device according to claim 1, it is characterised in that：The desulfurizing tower (11)
Bottom be settling zone, the side of the settling zone is equipped with sewage draining exit (12).
5. a kind of efficient flue gas desulfurization and denitrification device according to claim 1, it is characterised in that：The dust-extraction unit
(2) plasma flue gas cleaner is used.
6. a kind of efficient flue gas desulfurization and denitrification device according to claim 1, it is characterised in that：The mixing reactor
(7) booster fan (8) is provided between the denitrating tower (9).
7. a kind of efficient flue gas desulfurization and denitrification device according to claim 1, it is characterised in that：The desulfurizing agent storage
Tank (13) is internally provided with desulfurizing agent, which uses sodium carbonate or basic aluminum sulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721859109.6U CN207822775U (en) | 2017-12-27 | 2017-12-27 | A kind of efficient flue gas desulfurization and denitrification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721859109.6U CN207822775U (en) | 2017-12-27 | 2017-12-27 | A kind of efficient flue gas desulfurization and denitrification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207822775U true CN207822775U (en) | 2018-09-07 |
Family
ID=63389873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721859109.6U Expired - Fee Related CN207822775U (en) | 2017-12-27 | 2017-12-27 | A kind of efficient flue gas desulfurization and denitrification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207822775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999851A (en) * | 2021-03-09 | 2021-06-22 | 安徽顺达环保科技股份有限公司 | Desulfurization and denitrification integrated equipment for dust removal |
| CN113083014A (en) * | 2021-02-23 | 2021-07-09 | 王洪 | Be applied to lime wash cyclic utilization's of flue gas treatment SOx/NOx control device |
-
2017
- 2017-12-27 CN CN201721859109.6U patent/CN207822775U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113083014A (en) * | 2021-02-23 | 2021-07-09 | 王洪 | Be applied to lime wash cyclic utilization's of flue gas treatment SOx/NOx control device |
| CN112999851A (en) * | 2021-03-09 | 2021-06-22 | 安徽顺达环保科技股份有限公司 | Desulfurization and denitrification integrated equipment for dust removal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6171096B2 (en) | Semi-dry simultaneous desulfurization / denitration / demercury equipment and method using circulating fluidized bed | |
| CN103463978B (en) | Based on the device and method of catalytic oxidation of hydrogen peroxide flue gas and desulfurizing and denitrifying | |
| CN103657368B (en) | A kind of simultaneous SO_2 and NO removal demercuration dry-method fume gas purification method and device | |
| CN104906937A (en) | Flue gas desulfurization and denitrification device and method of coal fired boiler | |
| CN103706238A (en) | System and method for removing SO2, NO and Hg in smoke on the basis of heterogeneous Fenton | |
| CN103977702B (en) | A kind of circulating fluid bed flue-gas desulfurizing denitration demercuration integrated apparatus and method | |
| CN104959034A (en) | Flue gas desulfurization method, flue gas desulfurization device as well as integrated flue gas desulfurization and denitration system and method | |
| CN104587809A (en) | Ozone-hydroxy free radical dry-wet combined desulphurization and denitration technology | |
| CN104941410A (en) | Flue gas desulfurization and denitrification integrated method and device based on two-step oxidation process of active molecules O3 at low temperature | |
| CN105797562A (en) | Two-section type double-ammonia-process integrated desulfurization and denitration system for coking flue gas | |
| CN103318846A (en) | Method for obtaining sulfur from sulfur compounds in coal chemical plant and electric power plant | |
| CN101342455B (en) | Rotational flow and spray combined desulfurizing device | |
| CN109675436A (en) | A kind of system and method for flue gas pollutant combined desulfurization and denitration | |
| CN101342454B (en) | Rotational flow and spray combined desulfurizing device | |
| CN105148698A (en) | Boiler flue gas desulfurization and denitrification system | |
| CN207822775U (en) | A kind of efficient flue gas desulfurization and denitrification device | |
| CN210522213U (en) | Flue gas desulfurization and denitrification device | |
| CN105056723A (en) | Twin-tower type flue gas deep purification device through plasma coupling and sodium based absorption and method thereof | |
| CN107930388A (en) | A kind of coke oven flue gas sulfur removal technology and coke oven flue gas desulphurization system | |
| CN103157357A (en) | Novel desulfurization-denitrification integrated device | |
| CN111905541A (en) | Pre-oxidation-based active coke combined desulfurization and denitrification system and method | |
| CN201263964Y (en) | Rotational flow and spray combined desulfurizing device | |
| CN204522707U (en) | Electron beam flue gas processing device | |
| CN201300034Y (en) | Vortex-sprinkling combined desulphurizing device | |
| CN207520860U (en) | The system of pollutant minimum discharge under a kind of thermal power plant's full load |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20201227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |