CN205760625U - The smoke processing system of simultaneous SO_2 and NO removal - Google Patents
The smoke processing system of simultaneous SO_2 and NO removal Download PDFInfo
- Publication number
- CN205760625U CN205760625U CN201620660751.0U CN201620660751U CN205760625U CN 205760625 U CN205760625 U CN 205760625U CN 201620660751 U CN201620660751 U CN 201620660751U CN 205760625 U CN205760625 U CN 205760625U
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- processing system
- flue gas
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- removal
- smoke
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Abstract
The utility model discloses the smoke processing system of a kind of simultaneous SO_2 and NO removal, including interconnective reducing agent preparation facilities, boiler, SCR reactor, FGD absorption tower, chimney, the exhanst gas outlet of described boiler, reducing agent preparation facilities all smoke inlets with SCR reactor are connected, the exhanst gas outlet of SCR reactor is connected with the smoke inlet on FGD absorption tower, the exhanst gas outlet on FGD absorption tower is connected with chimney, can realize the desulfurizing and denitrifying process of flue gas simultaneously.This processing system arranges air preheater and heat exchanger, can improve the energy utilization rate of system, reduces cost.Meanwhile, this processing system arranges ESP device, can effectively go out the dust granule in flue gas, improves the quality of flue gas after denitration.This utility model can remove nitrogenous in flue gas, oxysulfide simultaneously, and has higher denitrification efficiency.
Description
Technical field
This utility model relates to fume treatment technical field, especially relate to a kind of can the fume treatment of simultaneous SO_2 and NO removal
System.
Background technology
Sulfur-bearing in flue gas, nitrogen-containing oxide are the main pollutant components in flue gas, the most effectively remove containing in flue gas
Sulfur, nitrogen-containing oxide are always one of subject matter of fume treatment technical field.At present, desulphurization and denitration technique has had one
Determine development and the optimization of degree, but two kinds of techniques are substantially all needs difference in different devices, different workshop sections and flow process
Carrying out, take up room big, energy utilization rate is low, therefore, studies a kind of fume treatment that can simultaneously realize desulfurization and denitrating technique
System just becomes the most urgent.
Utility model content
This utility model is contemplated to solve the above-mentioned deficiency of prior art, it is provided that a kind of can the flue gas of simultaneous SO_2 and NO removal
Processing system, this system can remove nitrogenous in flue gas, oxysulfide simultaneously, and have higher denitrification efficiency.This reality
With novel by arranging air preheater and heat exchanger, the heat in flue gas desulfurization and denitrification process can be made full use of and pass
Pass, improve efficiency of energy utilization, and then reduce system cost.
This utility model solves the technical scheme that its technical problem used:
The smoke processing system of a kind of simultaneous SO_2 and NO removal, including interconnective reducing agent preparation facilities, boiler, SCR
Reactor, FGD absorption tower, chimney, described reducing agent preparation facilities, including liquid ammonia storage tank, vaporizer, blender and diluent air
Pressure fan, the entrance of described vaporizer connects liquid ammonia storage tank, and the outlet of vaporizer connects mixer entrance, diluent air pressure fan
Being connected with another entrance of blender, the outlet of blender is connected with the smoke inlet of SCR reactor；The flue gas of described boiler
Outlet is connected with the smoke inlet of SCR reactor；The exhanst gas outlet of SCR reactor is connected with the smoke inlet on FGD absorption tower；
The exhanst gas outlet on FGD absorption tower is connected with chimney.
Further, between air intake and the exhanst gas outlet of SCR reactor of described boiler, air preheater is set, institute
State and between FGD adsorption tower smoke entrance and exhanst gas outlet, heat exchanger is set.
Further, ESP device is set between described air preheater and heat exchanger.
Further, arranging metal catalyst layer in described SCR reactor, the form of described metal catalyst layer uses honeybee
Socket and/or board-like.
Further, described FGD absorption tower uses spray type desulphurization tower.
The beneficial effects of the utility model are:
1, by arranging air preheater and heat exchanger, the heat in flue gas desulfurization and denitrification process can be made full use of
Transmission, improves efficiency of energy utilization, and then reduces system cost.
2, by arranging ESP device, i.e. electric cleaner, the dust granule in the flue gas after denitration can effectively be removed, meanwhile,
FGD absorption tower uses spray type desulphurization tower, it is achieved flue gas contacts fully with desulfurizing agent, and then improves the desulfuration efficiency of flue gas.
3, the form of described metal catalyst layer uses honeycomb fashion and/or board-like, can be effectively improved flue gas and catalyst
Contact area, improves the selective catalytic reduction reaction rate of nitrogenous gas in flue gas, improves the denitration efficiency of flue gas further.
Accompanying drawing explanation
Fig. 1 is utility model structure chart.
In figure: 1 boiler, 2 SCR reactors, 3 catalyst layers, 4 air preheaters, 5 liquid ammonia storage tanks, 6 vaporizers, 7 mixing
Device, 8 diluent air pressure fan, 9 FGD absorption towers, 10 heat exchangers, 11 chimneys.
Detailed description of the invention
As it is shown in figure 1, for prior art problem, protection main body of the present utility model is as follows:
The smoke processing system of a kind of simultaneous SO_2 and NO removal, including interconnective reducing agent preparation facilities, boiler 1, SCR
Reactor 2, FGD absorption tower 9, chimney 11, described reducing agent preparation facilities, including liquid ammonia storage tank 5, vaporizer 6, blender 7 and
Diluent air pressure fan 8.The entrance of described vaporizer connects liquid ammonia storage tank, and the outlet of vaporizer connects mixer entrance, it is achieved
Ammonia by liquid to the transformation of gaseous state.Another entrance of described blender is connected with diluent air pressure fan, it is achieved ammonia with
The mixing of diluent air, meanwhile, its outlet is connected with the smoke inlet of SCR reactor.The exhanst gas outlet of described boiler is anti-with SCR
The smoke inlet answering device is connected, and the exhanst gas outlet of SCR reactor is connected with the smoke inlet on FGD absorption tower, the cigarette on FGD absorption tower
Gas outlet be connected with chimney, it is achieved flue gas through desulphurization denitration process after through smoke stack emission.
Further, between air intake and the exhanst gas outlet of SCR reactor of described boiler, air preheater 4 is set,
Between described FGD adsorption tower smoke entrance and exhanst gas outlet, heat exchanger 10 is set, flue gas desulfurization and denitrification process can be made full use of
Middle flue gas heat transmission, improve arrange between efficiency of energy utilization, and described air preheater and heat exchanger ESP dress
Put, the dust granule in flue gas after removing denitration, and then improve the quality of the flue gas entering FGD absorption tower.
Further, arranging metal catalyst layer 3 in described SCR reactor, the form of described metal catalyst layer uses
Honeycomb fashion and/or board-like, by improving the contact area of flue gas and catalyst, improves the selective catalysis of nitrogenous gas in flue gas
Reduction reaction rate, and then improve the denitration efficiency of flue gas.
Further, described FGD absorption tower uses spray type desulphurization tower, it is achieved flue gas contacts fully with desulfurizing agent, enters
And improve the desulfuration efficiency of flue gas.
The concrete desulphurization denitration process of this utility model is as follows:
First by pouring in liquid ammonia in liquid ammonia storage tank, then by vaporizer 6, liquid ammonia is evaporated, the gaseous state of evaporation
Ammonia is entered blender 7 and mixes with the diluent air being sent into blender 7 by diluent air pressure fan 8, gas after mixing
SCR reactor 2 sent into by reducing agent.Meanwhile, air enters boiler after air preheater 7 preheats, for the burning in boiler
Thering is provided enough oxygen, the flue gas after burning enters SCR reactor 2.Gaseous reducing agent in SCR reactor 2 and boiler emission
Flue gas be fully contacted, under the effect of metal catalyst layer, realize selective catalytic reduction reaction, effectively remove in flue gas and contain
Nitrogen oxides, it is achieved the denitrating technique of flue gas, its denitration efficiency is more than 90%.
Then, by the flue gas after denitration by air preheater 4, it is achieved a certain degree of cooling, and ESP device is sent into,
I.e. electric cleaner, effectively removes the dust granule in the flue gas after denitration.Flue gas after electric precipitation enters after heat exchanger 10
FGD absorption tower 9, heat exchanger 10 can realize a certain degree of cooling of flue gas, and FGD absorption tower 9 uses spray type desulphurization tower, enters
In FGD absorption tower 9, flue gas is up is fully contacted with spray droplet, effectively removes the sulfur-bearing oxidation in flue gas after chemical reaction
Thing, and after demister anhydrates, it is achieved the sulfur removal technology of flue gas.
Finally, the flue gas after FGD absorption tower 9 desulfurization processes enters chimney 11 through over-heat-exchanger 10, and system completes desulfurization
Denitration works, and wherein heat exchanger 10 can realize a certain degree of intensification of flue gas after FGD absorption tower 9 desulfurization processes.
Embodiment described above is only to be described preferred implementation of the present utility model, not to this practicality
Novel scope is defined, and on the premise of without departing from this utility model design spirit, relevant technical staff in the field is to this
The various deformation of utility model and improvement, all should diffuse in protection domain as determined by this utility model claims.
Claims (6)
1. a smoke processing system for simultaneous SO_2 and NO removal, anti-including interconnective reducing agent preparation facilities, boiler, SCR
Answer device, FGD absorption tower, chimney, it is characterised in that
Described reducing agent preparation facilities, including liquid ammonia storage tank, vaporizer, blender and diluent air pressure fan, described vaporizer
Entrance connect liquid ammonia storage tank, the outlet of vaporizer connects mixer entrance, another of diluent air pressure fan and blender
Entrance is connected, and the outlet of blender is connected with the smoke inlet of SCR reactor；The exhanst gas outlet of described boiler and SCR reactor
Smoke inlet be connected；The exhanst gas outlet of SCR reactor is connected with the smoke inlet on FGD absorption tower；The flue gas on FGD absorption tower goes out
Mouth is connected with chimney.
The smoke processing system of a kind of simultaneous SO_2 and NO removal the most according to claim 1, it is characterised in that described boiler
Arranging air preheater between the exhanst gas outlet of air intake and SCR reactor, described FGD adsorption tower smoke entrance goes out with flue gas
Heat exchanger is set between Kou.
The smoke processing system of simultaneous SO_2 and NO removal the most according to claim 2, it is characterised in that described air preheater
And ESP device is set between heat exchanger.
The smoke processing system of simultaneous SO_2 and NO removal the most according to claim 1, it is characterised in that described SCR reactor
Metal catalyst layer is inside set.
The smoke processing system of simultaneous SO_2 and NO removal the most according to claim 4, it is characterised in that described metallic catalyst
The form of layer uses honeycomb fashion and/or board-like.
The smoke processing system of simultaneous SO_2 and NO removal the most according to claim 1, it is characterised in that described FGD absorption tower
Use spray type desulphurization tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620660751.0U CN205760625U (en) | 2016-06-27 | 2016-06-27 | The smoke processing system of simultaneous SO_2 and NO removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620660751.0U CN205760625U (en) | 2016-06-27 | 2016-06-27 | The smoke processing system of simultaneous SO_2 and NO removal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205760625U true CN205760625U (en) | 2016-12-07 |
Family
ID=58128609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620660751.0U Expired - Fee Related CN205760625U (en) | 2016-06-27 | 2016-06-27 | The smoke processing system of simultaneous SO_2 and NO removal |
Country Status (1)
| Country | Link |
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| CN (1) | CN205760625U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108479332A (en) * | 2018-04-16 | 2018-09-04 | 天津华赛尔传热设备有限公司 | A kind of low-temperature flue gas desulphurization denitration disappears white system |
| CN108905567A (en) * | 2018-08-15 | 2018-11-30 | 佛山赛因迪环保科技有限公司 | A kind of smoke processing system of Production of Ceramics |
| CN115739396A (en) * | 2022-12-01 | 2023-03-07 | 东北农业大学 | High-voltage static and acid mist coupled ammonia and dust removal integrated machine for livestock and poultry house and dust removal method |
-
2016
- 2016-06-27 CN CN201620660751.0U patent/CN205760625U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108479332A (en) * | 2018-04-16 | 2018-09-04 | 天津华赛尔传热设备有限公司 | A kind of low-temperature flue gas desulphurization denitration disappears white system |
| CN108905567A (en) * | 2018-08-15 | 2018-11-30 | 佛山赛因迪环保科技有限公司 | A kind of smoke processing system of Production of Ceramics |
| CN108905567B (en) * | 2018-08-15 | 2023-12-22 | 佛山赛因迪环保科技有限公司 | Flue gas treatment system for ceramic production |
| CN115739396A (en) * | 2022-12-01 | 2023-03-07 | 东北农业大学 | High-voltage static and acid mist coupled ammonia and dust removal integrated machine for livestock and poultry house and dust removal method |
| CN115739396B (en) * | 2022-12-01 | 2023-05-16 | 东北农业大学 | High-voltage static electricity and acid mist coupling ammonia and dust removing integrated machine for livestock and poultry houses and dust removing method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20180627 |
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| CF01 | Termination of patent right due to non-payment of annual fee |