CN205760627U - A kind of hydrogen peroxide low-temp desulfurization denitrating system - Google Patents
A kind of hydrogen peroxide low-temp desulfurization denitrating system Download PDFInfo
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- CN205760627U CN205760627U CN201620680693.8U CN201620680693U CN205760627U CN 205760627 U CN205760627 U CN 205760627U CN 201620680693 U CN201620680693 U CN 201620680693U CN 205760627 U CN205760627 U CN 205760627U
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- hydrogen peroxide
- air inlet
- gas outlet
- blower unit
- denitrating system
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Abstract
This utility model relates to a kind of hydrogen peroxide low-temp desulfurization denitrating system, including heat sink, dust arrester, reaction unit, blower unit one, absorption plant, blower unit two and acid mist removal device, the gas outlet of heat sink is connected with the air inlet of dust arrester, the gas outlet of dust arrester is connected with the air inlet on the top being positioned at reaction unit, the lower end of reaction unit is connected with the air inlet of blower unit one, the gas outlet of blower unit one is connected with the air inlet of the upper end being positioned at absorption plant, the lower end of absorption plant is connected with the air inlet of blower unit two, the gas outlet of blower unit two is connected with the air inlet of the bottom being positioned at acid mist removal device, the top of acid mist removal device is provided with chimney, connection between all devices all connects with trachea.Sulfur in flue gas, nitrogen pollutant can be removed by this utility model simultaneously, and simple in construction, removing low cost efficiency are high, and beneficially energy-saving consumption-reducing reduces Financial cost, saves the area.
Description
Technical field
This utility model is involved in Chemical Engineering Technology, gas pollutant Treatment process field, particularly relates to a kind of hydrogen peroxide
Low-temp desulfurization denitrating system.
Background technology
At present, the institute that in coal-burning boiler and other industrial tail gas, pollutant are mainly in sulfur, nitrogen oxide and flue gas
The dust contained, these harmful substances are the main contributors causing the environmental problems such as atmospheric pollution, acid rain, greenhouse effect.
Along with people's pay attention to day by day to atmosphere polluting problem, and new standard " the thermal power plant's Air Pollutant Emission mark of country
Accurate " enforcement.The gas discharge polluted containing sulfur dioxide and nitrogen oxides etc. is the strictest.The most effectively remove in flue gas two
Sulfur oxide and nitrogen oxides have caused the attention of countries in the world researcher.At present, for the administering method of these pollutant
A lot, as administered the limestone-gypsum method of sulfur dioxide, ammonia process, Dual alkali, the SCR of nitrogen oxides is administered
Method, SNCR method and low nitrogen burning method etc., and these methods for the sulfur in flue gas, nitrogen pollutant the most de-
Except needing to carry out respectively in different devices and flow process, therefore taking up room big, energy and material consumption is big, removes cost
Height, it would therefore be highly desirable to research and develop be unified in same technological process is carried out high-efficiency desulfurization denitration technology, subtract with energy-conservation
Consumption, reduces Financial cost, saves the area.
Summary of the invention
This utility model is in order to overcome drawbacks described above present in prior art, it is provided that a kind of hydrogen peroxide low-temp desulfurization
Denitrating system.
For solve the problems referred to above, the hydrogen peroxide low-temp desulfurization denitrating system that the utility model proposes include heat sink,
Dust arrester, reaction unit, blower unit one, absorption plant, blower unit two and acid mist removal device, described heat sink
One end is the air inlet needing desulphurization denitration flue gas, and the other end is connected as the air inlet of gas outlet with described dust arrester, is used for
To the flue gas of desulfurization removing nitric carrying out cooling process, it is also possible to make full use of fume afterheat, the gas outlet of described dust arrester
Being connected with the air inlet on the top being positioned at described reaction unit, the lower end of described reaction unit arranges gas outlet and fills with described air inducing
Put one air inlet be connected, the gas outlet of described blower unit one is connected with the air inlet of the upper end being positioned at described absorption plant,
The lower end of described absorption plant is connected with the air inlet of described blower unit two, the gas outlet of described blower unit two be positioned at institute
State acid mist removal device bottom air inlet be connected, the top of described acid mist removal device is provided with chimney, all devices it
Between connection all connect with trachea.
In technique scheme, the middle part of described reaction unit connects hydrogen peroxide delivery device, described hydrogen peroxide
The supply pump that feedway includes Hydrogen peroxide storage, is connected on described Hydrogen peroxide storage, is connected on described supply pump
Check valve and be connected to the control valve on described check valve.
In technique scheme, described control valve connects and has atomizer, described atomizer to be arranged at straight up
In described reaction unit.Use atomizer can increase the contact area of flue gas and hydrogen peroxide, increase reaction efficiency.
In technique scheme, the lower section being positioned at atomizer in described reaction unit is provided with metallic catalyst, is used for
Increase hydrogen peroxide and sulfur, the reaction efficiency of nitrogen oxide.
In technique scheme, the bottom of described reaction unit connects has acid cycle pond, described acid cycle pond to pass through
Pipeline is connected with the top of described absorption plant, and described pipeline is provided with acid cycle pump, and described acid cycle pump is arranged
Having control valve, described control valve connects atomizer, for the acid solution obtained in reaction unit is sprayed at absorption plant
Interior to the sulfur in flue gas, the further reactive absorption of nitrogen oxide.
In technique scheme, the middle part of described absorption plant connects has hydrogen peroxide delivery device, middle lower end to be provided with
Metallic catalyst, bottom is provided with acid solution collecting pit after being collected the acid solution finally given in absorption plant being easy to
Recycling.
In technique scheme, in described acid mist removal device, it is provided with fluffy alkaline absorbent, before to discharge
Flue gas make the purified treatment of final step, remove sulfur, nitrogen oxide and the acid mist being mingled with and make up to discharge standard.
This utility model has the advantages that and advantage compared with prior art:
The hydrogen peroxide low-temp desulfurization denitrating system that the utility model proposes can be simultaneously to the sulfur in flue gas, nitrogen pollutant
Removing, simple in construction, removing low cost efficiency are high, and beneficially energy-saving consumption-reducing reduces Financial cost, saves the area.
Accompanying drawing explanation
Fig. 1 is the structural representation of the hydrogen peroxide low-temp desulfurization denitrating system that the utility model proposes.
Numbering explanation in figure: 1, heat sink；2, dust arrester；3, reaction unit；4, blower unit one；5, dress is absorbed
Put；6, blower unit two；7, acid mist removal device；8, hydrogen oxide feedway；9, acid cycle pond；10, acid solution collecting pit；
11, chimney.
Detailed description of the invention
Below in conjunction with Fig. 1 and specific embodiment, this utility model is described in further detail:
The hydrogen peroxide low-temp desulfurization denitrating system that the utility model proposes includes heat sink 1, dust arrester 2, reaction
Device 3, blower unit 1, absorption plant 5, blower unit 26 and acid mist removal device 7, heat sink 1 one end is for for needing
The air inlet of desulphurization denitration flue gas, the other end is connected as the air inlet of gas outlet with dust arrester 2, for will desulfurization take off
The flue gas of nitrogen carries out cooling process, it is also possible to make full use of fume afterheat, the gas outlet of dust arrester 2 be positioned at reaction unit 3
Top air inlet connect, the lower end of reaction unit 3 arranges gas outlet and is connected with the air inlet of blower unit 1, air inducing dress
Put the gas outlet of 1 to be connected with the air inlet of the lower end being positioned at absorption plant 5, the gas outlet of absorption plant 5 and blower unit 26
Air inlet be connected, the gas outlet of blower unit 26 is connected with the air inlet of the bottom being positioned at acid mist removal device 7, and acid mist goes
Except the top of device 7 is provided with chimney 11, the connection between all devices all connects with trachea.
The middle part of reaction unit 3 connects has hydrogen peroxide delivery device 8, hydrogen peroxide delivery device 8 to include hydrogen peroxide
Storage tank, the supply pump being connected on Hydrogen peroxide storage, be connected to supply the check valve on pump, the control being connected on check valve
Valve.
Connecting in control valve and have atomizer, atomizer is arranged in reaction unit 3 straight up.Use atomizer
The contact area of flue gas and hydrogen peroxide can be increased, increase reaction efficiency.
The lower section being positioned at atomizer in reaction unit 3 is provided with metallic catalyst, is used for increasing hydrogen peroxide and sulfur, nitrogen
The reaction efficiency of oxide.
The bottom of reaction unit 3 connects acid cycle pond 9, and acid cycle pond 9 is by the top of pipeline with absorption plant 5
Being connected, pipeline is provided with acid cycle pump, acid cycle pump is provided with control valve, control valve connects atomizer, uses
In the acid solution obtained in reaction unit is sprayed at absorption plant 5, the sulfur in flue gas, nitrogen oxide are reacted suction further
Receive.
The middle part of absorption plant 5 connects has hydrogen peroxide delivery device 8, middle lower end to be provided with metallic catalyst, and bottom sets
It is equipped with acid solution collecting pit 10 for the acid solution finally given in absorption plant 5 being collected the recycling after being easy to.
Fluffy alkaline absorbent it is provided with, for the flue gas before discharge is made final step in acid mist removal device 7
Purified treatment, removes sulfur, nitrogen oxide and the acid mist being mingled with and makes up to discharge standard.
Claims (7)
1. a hydrogen peroxide low-temp desulfurization denitrating system, it is characterised in that include heat sink (1), dust arrester (2), anti-
Answer device (3), blower unit one (4), absorption plant (5), blower unit two (6) and acid mist removal device (7), described cooling
Device (1) one end is the air inlet for needing desulphurization denitration flue gas, and the other end is as the air inlet of gas outlet Yu described dust arrester (2)
Mouthful be connected, the gas outlet of described dust arrester (2) is connected with the air inlet on the top being positioned at described reaction unit (3), described instead
The lower end answering device (3) arranges gas outlet and is connected with the air inlet of described blower unit one (4), described blower unit one (4)
Gas outlet is connected with the air inlet of the upper end being positioned at described absorption plant (5), the lower end of described absorption plant (5) and described air inducing
The air inlet of device two (6) is connected, the gas outlet of described blower unit two (6) and the end being positioned at described acid mist removal device (7)
The air inlet of end is connected, and the top of described acid mist removal device (7) is provided with chimney (11), and the connection between all devices is all used
Trachea connects.
Hydrogen peroxide low-temp desulfurization denitrating system the most according to claim 1, it is characterised in that described reaction unit (3)
Middle part connect have hydrogen peroxide delivery device (8), described hydrogen peroxide delivery device (8) to include Hydrogen peroxide storage, connection
Supply pump on described Hydrogen peroxide storage, is connected to the check valve on described supply pump, is connected on described check valve
Control valve.
Hydrogen peroxide low-temp desulfurization denitrating system the most according to claim 2, it is characterised in that connect in described control valve
Atomizer, described atomizer is had to be arranged at straight up in described reaction unit (3).
Hydrogen peroxide low-temp desulfurization denitrating system the most according to claim 1, it is characterised in that described reaction unit (3)
The lower section being inside positioned at atomizer is provided with metallic catalyst.
Hydrogen peroxide low-temp desulfurization denitrating system the most according to claim 1, it is characterised in that described reaction unit (3)
Bottom connect and have acid cycle pond (9), the described acid cycle pond (9) the top phase by pipeline and described absorption plant (5)
Even, described pipeline being provided with acid cycle pump, described acid cycle pump is provided with control valve, described control valve connects to be had
Atomizer.
6. according to the hydrogen peroxide low-temp desulfurization denitrating system described in claim 1 or claim 3, it is characterised in that described
The middle part of absorption plant (5) connects hydrogen peroxide delivery device (8), and middle lower end is provided with metallic catalyst, and bottom is provided with
Acid solution collecting pit (10).
Hydrogen peroxide low-temp desulfurization denitrating system the most according to claim 1, it is characterised in that described acid mist removal device
(7) fluffy alkaline absorbent it is provided with in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620680693.8U CN205760627U (en) | 2016-07-01 | 2016-07-01 | A kind of hydrogen peroxide low-temp desulfurization denitrating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620680693.8U CN205760627U (en) | 2016-07-01 | 2016-07-01 | A kind of hydrogen peroxide low-temp desulfurization denitrating system |
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| Publication Number | Publication Date |
|---|---|
| CN205760627U true CN205760627U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620680693.8U Expired - Fee Related CN205760627U (en) | 2016-07-01 | 2016-07-01 | A kind of hydrogen peroxide low-temp desulfurization denitrating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107694314A (en) * | 2017-10-18 | 2018-02-16 | 大唐南京发电厂 | A kind of system and technique for being classified oxidative absorption formula flue gas desulfurization and denitrification |
-
2016
- 2016-07-01 CN CN201620680693.8U patent/CN205760627U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107694314A (en) * | 2017-10-18 | 2018-02-16 | 大唐南京发电厂 | A kind of system and technique for being classified oxidative absorption formula flue gas desulfurization and denitrification |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20180701 |