CN206262336U - A kind of thermal power generation desulphurization denitration equipment based on SCR technology - Google Patents
A kind of thermal power generation desulphurization denitration equipment based on SCR technology Download PDFInfo
- Publication number
- CN206262336U CN206262336U CN201621344451.8U CN201621344451U CN206262336U CN 206262336 U CN206262336 U CN 206262336U CN 201621344451 U CN201621344451 U CN 201621344451U CN 206262336 U CN206262336 U CN 206262336U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- tank
- thermal
- sprayer
- power generation
- 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
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model discloses a kind of thermal power generation desulphurization denitration equipment based on SCR technology, including blower fan and ammoniacal liquor holding vessel, the ammoniacal liquor holding vessel is located at blower fan upper right side, ammoniacal liquor holding vessel lower section is connected with the first pipeline, the blower fan right side is connected with second pipe, first pipeline right-hand member is connected with water pump, the second pipe right side is connected with air heater, the air heater right side is connected with the 3rd pipeline, 3rd pipeline right side is connected with sprayer, the 4th pipeline is connected between the water pump and sprayer, sprayer right side is connected with the 5th pipeline；Sprayer top is connected with thermal-arrest tank, and heat collecting pipeline is arranged with the thermal-arrest tank.Compared with prior art, the beneficial effects of the utility model are：The utility model simple structure, can simultaneously carry out sulphur removal with except nitre, and device also recycles the high temperature in flue gas, in addition the secondary utilization calcium hydroxide breast of device energy when sulphur removal is carried out, and sulphur removal removes nitre efficiency high.
Description
Technical field
The utility model is related to a kind of desulphurization denitration equipment, and specifically a kind of thermal power generation desulfurization based on SCR technology takes off
Nitre equipment.
Background technology
To prevent producing excessive NOx to pollute environment in boiler after coal combustion, denitration process should be carried out to coal.It is divided into burning
Denitration after preceding denitration, combustion process denitration, burning.
SCR is gas denitrifying technology most ripe at present, and it is denitration after a kind of stove, and the method is to utilize reducing agent
(NH3, urea), optionally with NOx reaction generation N2 and H2O, is aoxidized, therefore claim under metallic catalyst effect rather than by O2
It is " selectivity ".Popular SCR techniques are broadly divided into ammonia process SCR and urea method SCR2 kinds in the world.This 2 kinds of methods are all profits
With ammonia to the restoring function of NOx, NOx (mainly NO) is reduced to be not much influence to air in the presence of catalyst
N2 and water, reducing agent are NH3.The method denitration efficiency is high, and relative low price is widely used in domestic and international project, as electricity
Stand the mainstream technology of denitrating flue gas.
It is this Chinese patent（Granted publication：CN203525567U）A kind of SCR denitration device is disclosed, though the device energy
Denitration is enough carried out, but the device uses excessive catalyst, it is commonly known that and catalyst is not involved in reaction, can recycle,
Device injection uses a large amount of catalyst, considerably increases cost, also result in waste, is that this those skilled in the art proposes
A kind of thermal power generation desulphurization denitration equipment based on SCR technology, to solve the problems, such as to be proposed in above-mentioned background.
Utility model content
The purpose of this utility model is to provide a kind of thermal power generation desulphurization denitration equipment based on SCR technology, to solve
The problem proposed in above-mentioned background technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of thermal power generation desulphurization denitration equipment based on SCR technology, including blower fan and ammoniacal liquor holding vessel, the ammoniacal liquor storage
Tank is deposited positioned at blower fan upper right side, ammoniacal liquor holding vessel lower section is connected with the first pipeline, the blower fan right side is connected with second pipe, the
One pipeline right-hand member is connected with water pump, and the second pipe right side is connected with air heater, air heater right side connection
There is the 3rd pipeline, the 3rd pipeline right side is connected with sprayer, the 4th pipeline, sprayer are connected between the water pump and sprayer
Right side is connected with the 5th pipeline；Sprayer top is connected with thermal-arrest tank, heat collecting pipeline is arranged with the thermal-arrest tank, under thermal-arrest tank
Square chain is connected to the 6th pipeline, and the 5th pipeline is connected with the 6th pipeline middle part, and the 6th pipeline right side is connected with except nitre tank, institute
State except some catalyst layers are fixedly installed in nitre tank, except nitre tank right side is connected with sulphur removal tank, the sulphur removal top tank structure both sides connect
Some rotating spraying wheels are connected to, the sulphur removal tank lower left is connected with cyclone separator, and cyclone separator left side is connected with air-out
Pipe, the discharge pipe is L-shaped, and cyclone dust collectors lower section is connected with dust outlet tube, and the dust outlet tube is connected with discharge pipe.
As further program of the utility model：The thermal-arrest tank top is connected with gas approach.
As the utility model further scheme：The heat collecting pipeline is S-shaped.
As the utility model further scheme：The catalyst layer is at least four layers.
As the utility model further scheme：The catalyst layer is cross tooth form.
Compared with prior art, the beneficial effects of the utility model are：The utility model simple structure, can be carried out simultaneously
Sulphur removal also recycles the high temperature in flue gas with nitre, device is removed, in addition the secondary utilization calcium hydroxide breast of device energy when sulphur removal is carried out,
Sulphur removal removes nitre efficiency high.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the thermal power generation desulphurization denitration equipment based on SCR technology；
Fig. 2 is sectional view at A-A in a kind of thermal power generation desulphurization denitration equipment based on SCR technology.
In figure：1- blower fans, 2- second pipes, 3- air heaters, the pipelines of 4- the 3rd, 5- sprayers, 6- ammoniacal liquor holding vessel,
The pipelines of 7- first, 8- water pumps, the pipelines of 9- the 4th, the pipelines of 10- the 5th, 11- thermal-arrests tank, 12- gas approach, 13- heat collecting pipelines,
The pipelines of 14- the 6th, 15- go out except nitre tank, 16- catalyst layers, 17- sulphur removal tank, 18- rotating sprayings wheel, 19- cyclone separators, 20-
Airduct, 21- dust outlet tubes.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Refer to Fig. 1-2, a kind of thermal power generation desulphurization denitration equipment based on SCR technology, including blower fan 1 and ammoniacal liquor storage
Tank 6, the ammoniacal liquor holding vessel 6 is located at the upper right side of blower fan 1, and the lower section of ammoniacal liquor holding vessel 6 is connected with the first pipeline 7, and the blower fan 1 is right
Side is connected with second pipe 2, and the right-hand member of the first pipeline 7 is connected with water pump 8, and the right side of the second pipe 2 is connected with air heater
3, the right side of the air heater 3 is connected with the 3rd pipeline 4, and the right side of the 3rd pipeline 4 is connected with sprayer 5, the water pump 8 and spray
The 4th pipeline 9 is connected between day with fog 5, the right side of sprayer 5 is connected with the 5th pipeline 10；
The top of sprayer 5 is connected with and heat collecting pipeline 13 is arranged with thermal-arrest tank 11, the thermal-arrest tank 11, the lower section of thermal-arrest tank 11
Chain is connected to the 6th pipeline 14, and the 5th pipeline 10 is connected with the middle part of the 6th pipeline 14, and the right side of the 6th pipeline 14 is connected with removes
Nitre tank 15, it is described to be fixedly installed some catalyst layers 16 except nitre tank 15 is interior, it is described except the right side of nitre tank 15 is connected with sulphur removal tank 17
The inwall both sides of sulphur removal tank 17 are connected with some rotating spraying wheels 18, and the lower left of sulphur removal tank 17 is connected with cyclone separator 19,
The left side of cyclone separator 19 is connected with discharge pipe 20, and the discharge pipe 20 is L-shaped, and the lower section of cyclone dust collectors 19 is connected with dust outlet tube
21, the dust outlet tube 21 is connected with discharge pipe 20；
High-temperature flue gas are heated into thermal-arrest tank 13 to heat collecting pipeline 13, then flow to the 6th pipeline 14, and blower fan 1 drives
Air air inlet heater 3, sprayer 5 is entered after the air heating in air heater 3, and ammoniacal liquor is in the presence of water pump 8
Also into sprayer 5, then sprayer 5 meets with containing oxysulfide by the 5th pipeline 10 with the gas of nitrogen oxides, by
Decomposite ammonia in ammoniacal liquor the inside carries out reaction generation nitrogen and water with nitrogen oxides and air in the presence of catalyst layer 16,
Then gas continues to circulate to the right, and into sulphur removal tank 17, rotating spraying wheel 18 on the side wall of sulphur removal tank 17 is by calcium hydroxide breast mist
Change and spray into sulphur removal tank 17, oxysulfide generates calcium sulfate with calcium hydroxide breast and oxygen reaction, because the temperature in device is higher,
Moisture in reactant is evaporated to gas, and flue-gas temperature is decreased, and calcium hydroxide and the calcium sulfate of solid granular are passing through
During cyclone separator 19 discharge pipe 20, gas responseless sulphur oxygen when by calcium hydroxide and calcium sulfate are fallen into through dust outlet tube 21
Compound and calcium hydroxide secondary response again so that reaction is more thorough.
The top of the thermal-arrest tank 11 is connected with gas approach 12.
The heat collecting pipeline 13 is S-shaped.
The catalyst layer 16 is at least four layers.
The catalyst layer 16 is cross tooth form.
Operation principle of the present utility model is：High-temperature flue gas are heated into thermal-arrest tank 13 to heat collecting pipeline 13, then
The 6th pipeline 14 is flowed to, blower fan 1 drives air air inlet heater 3, spraying is entered after the air heating in air heater 3
Device 5, ammoniacal liquor in the presence of water pump 8 also into sprayer 5, then sprayer 5 by the 5th pipeline 10 with contain oxysulfide
Gas with nitrogen oxides meets, because ammoniacal liquor the inside decomposites the effect of ammonia and nitrogen oxides and air in catalyst layer 16
Under carry out reaction generation nitrogen and water, then gas continue circulate to the right, into sulphur removal tank 17, the rotation on the side wall of sulphur removal tank 17
Turn spraying wheel 18 to spray into sulphur removal tank 17 the newborn atomization of calcium hydroxide, oxysulfide generates sulfuric acid with calcium hydroxide breast and oxygen reaction
Calcium, because the temperature in device is higher, the moisture in reactant is evaporated to gas, and flue-gas temperature is decreased, solid particle
The calcium hydroxide of shape falls into discharge pipe 20 when by cyclone separator 19 with calcium sulfate through dust outlet tube 21, and gas is by calcium hydroxide
Responseless oxysulfide and calcium hydroxide secondary response again during with calcium sulfate so that reaction is more thorough.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (5)
1. a kind of thermal power generation desulphurization denitration equipment based on SCR technology, including blower fan and ammoniacal liquor holding vessel, it is characterised in that
The ammoniacal liquor holding vessel is located at blower fan upper right side, and ammoniacal liquor holding vessel lower section is connected with the first pipeline, and the blower fan right side is connected with
Second pipe, the first pipeline right-hand member is connected with water pump, and the second pipe right side is connected with air heater, the air heating
Device right side is connected with the 3rd pipeline, and the 3rd pipeline right side is connected with sprayer, the 4th is connected between the water pump and sprayer
Pipeline, sprayer right side is connected with the 5th pipeline；Sprayer top is connected with thermal-arrest tank, and thermal-collecting tube is arranged with the thermal-arrest tank
Road, thermal-arrest tank lower chain is connected to the 6th pipeline, and the 5th pipeline is connected with the 6th pipeline middle part, the connection of the 6th pipeline right side
Have except nitre tank, it is described except some catalyst layers are fixedly installed in nitre tank, except nitre tank right side is connected with sulphur removal tank, the sulphur removal tank
Inwall both sides are connected with some rotating spraying wheels, and the sulphur removal tank lower left is connected with cyclone separator, cyclone separator left side
Discharge pipe is connected with, the discharge pipe is L-shaped, cyclone dust collectors lower section is connected with dust outlet tube, the dust outlet tube and discharge pipe phase
Connection.
2. a kind of thermal power generation desulphurization denitration equipment based on SCR technology according to claim 1, it is characterised in that institute
State thermal-arrest tank top and be connected with gas approach.
3. a kind of thermal power generation desulphurization denitration equipment based on SCR technology according to claim 1, it is characterised in that institute
State heat collecting pipeline S-shaped.
4. a kind of thermal power generation desulphurization denitration equipment based on SCR technology according to claim 1, it is characterised in that institute
State catalyst layer and be at least four layers.
5. a kind of thermal power generation desulphurization denitration equipment based on SCR technology according to claim 1 or 4, it is characterised in that
The catalyst layer is cross tooth form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621344451.8U CN206262336U (en) | 2016-12-08 | 2016-12-08 | A kind of thermal power generation desulphurization denitration equipment based on SCR technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621344451.8U CN206262336U (en) | 2016-12-08 | 2016-12-08 | A kind of thermal power generation desulphurization denitration equipment based on SCR technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206262336U true CN206262336U (en) | 2017-06-20 |
Family
ID=59044884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621344451.8U Expired - Fee Related CN206262336U (en) | 2016-12-08 | 2016-12-08 | A kind of thermal power generation desulphurization denitration equipment based on SCR technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206262336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108815926A (en) * | 2018-06-25 | 2018-11-16 | 东台帕瓦环保节能科技有限公司 | A kind of pollution-free energy-saving cleaner |
-
2016
- 2016-12-08 CN CN201621344451.8U patent/CN206262336U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108815926A (en) * | 2018-06-25 | 2018-11-16 | 东台帕瓦环保节能科技有限公司 | A kind of pollution-free energy-saving cleaner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100534587C (en) | Sintering smoke wet method sulphur removing and dust removing technology | |
| CN101601964B (en) | Ammonia flue gas desulfurization device | |
| JP7152121B2 (en) | Method and system for improving boiler efficiency | |
| CN104014236A (en) | Smoke purifying and residual heat deep recycling integrated device | |
| CN105771600B (en) | The method and device that plant ash slurries remove multi-pollutant integration in tail gas | |
| CN101898086A (en) | Power-generation and denitrification integrated device by residual heat of glass furnace and method thereof | |
| CN101428196A (en) | In-hollow column intercrystalline ammonia process of desulfurization, recovery system and method thereof | |
| CN110180386A (en) | A kind of flue gas spiral diffusion denitrification apparatus and method of denitration | |
| CN105536484A (en) | Pollutant pretreating tower condensing based on flue gas | |
| CN107687648A (en) | The high-efficiency energy-saving ring insurance system that a kind of residual heat from boiler fume utilizes | |
| CN205182484U (en) | Energy -efficient SOx/NOx control dust pelletizing system | |
| CN203886407U (en) | Flue gas purification and deep afterheat recycling integrated device | |
| CN206262336U (en) | A kind of thermal power generation desulphurization denitration equipment based on SCR technology | |
| CN205746956U (en) | The system of heat primary air circulated in countercurrent suppression ABS frozen plug AH | |
| CN102309920A (en) | Method for removing NOx and SOx from fluid catalytic cracking (FCC) flue gas | |
| CN206897161U (en) | A kind of flue gas waste heat recovery system and a kind of high-efficiency desulfurization Tower System | |
| CN204042943U (en) | Desulfurization system for thermal power plant | |
| CN203389527U (en) | Low-temperature multi-effect flue gas treatment device | |
| CN208194096U (en) | A kind of flue gas purification system utilizing technology based on fume afterheat | |
| CN102961944A (en) | Energy-saving and circulating type multistage dust removal system | |
| CN203187405U (en) | Medium/low-grade heat energy recovery system in production of acid from pyrite | |
| CN205517224U (en) | Flue gas is handled system for among wet flue gas desulfurization | |
| CN205746957U (en) | The anti-AH blocking of hot secondary wind supercharging adverse current and heat-transfer surface etching system | |
| CN206682971U (en) | A kind of flue gas waste heat recovery apparatus | |
| CN210584340U (en) | CO2 absorbing device in urea hydrolysis ammonia production and ammonia production system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20201208 |