CN204073822U - A kind of efficient liquid absorbent simultaneous SO_2 and NO removal device - Google Patents
A kind of efficient liquid absorbent simultaneous SO_2 and NO removal device Download PDFInfo
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- CN204073822U CN204073822U CN201420304476.XU CN201420304476U CN204073822U CN 204073822 U CN204073822 U CN 204073822U CN 201420304476 U CN201420304476 U CN 201420304476U CN 204073822 U CN204073822 U CN 204073822U
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Abstract
The utility model relates to a kind of efficient liquid absorbent simultaneous SO_2 and NO removal device, the voltage-stabiliser tube comprising gas bomb and be connected by the first pressure-reducing valve with gas bomb, described voltage-stabiliser tube is connected with the first U-shaped differential manometer by the second pressure-reducing valve, and its tie point place is provided with the first point for measuring temperature, described first U-shaped differential manometer and the first soap film flowmeter being arranged on its rear end, atmospheric valve is connected successively, described atmospheric valve is connected with gas moistener by conduit, described gas moistener by two-way efferent duct respectively with thermostat, gas blender one end is connected, described gas moistener by another road efferent duct connect threeway respectively with thermostat, the gas blender other end is connected, the output of described thermostat is also connected with gas blender by conduit, liquid phase agitator and absorbent sample valve is provided with bottom described gas blender, one tunnel of described gas blender is exported and is connected with absorbent bottle by absorbent charging valve, another road of described gas blender exports and is connected with the second U-shaped differential manometer, and its tie point place is provided with the second point for measuring temperature, described second point for measuring temperature connects the second soap film flowmeter, described second soap film flowmeter output is tail gas mouth.The device technique that the utility model proposes is simple, and denitration efficiency is high, good reliability, economical and practical, is applicable to China's national situation, and can realizes the recycling of discarded object.
Description
Technical field
The utility model relates to industrially desulfurized denitration technology field, especially relates to a kind of efficient liquid absorbent simultaneous SO_2 and NO removal device.
Background technology
China is coal-fired big country, coal unit generating is occupied an leading position always, the pernicious gas that coal combustion produces comprises oxysulfide, nitrogen oxide and hydrocarbon etc., wherein SO2 and NOx is 2 kinds of gases that discharge capacity is maximum, harmfulness is maximum, they not only cause air dirty, to human body respiration organ and skin irritant, also be simultaneously acid rain, the dominant species that formed of photochemical fog or releaser, cause serious impact to the production of the mankind and life, the new technology therefore developing desulphurization denitration has become a study hotspot outside Present Domestic.
Along with the development of power industry particularly coal-burning power plant, the discharge capacity of SO2 and NOx will increase further.Countries in the world have carried out the research and development of simultaneous SO_2 and NO removal technology all in succession in recent years, and have carried out certain commercial Application, mainly contain: high energy electron active oxidation technology, mainly comprises electron beam irradiation method and corona method; Solid sorbent/regeneration techniques, mainly comprises activated carbon method, CuO method, NOxSO method, SNAP technique etc.; Gas/solid catalysis technique, mainly comprises SNOx technique, DESONOx technique, SNRB technique, Parsons flue gas cleaning procedure etc.; Wet method simultaneous SO_2 and NO removal technology, mainly comprises chloric acid oxidation technology and metal chelating agent Absorption via Chemical Complexation etc.These methods can reach the removal efficiency of higher SO2 and NOx, but, in the economy such as investment and operating cost, be faced with huge difficulty.Therefore developmental research technique simultaneous SO_2 and NO removal technique tool that is simple, reliable, economical and practical, that be applicable to China's national situation is of great significance.
Summary of the invention
The purpose of this utility model is exactly provide a kind of efficient liquid absorbent simultaneous SO_2 and NO removal device to overcome defect that above-mentioned prior art exists, it adopts triethylenediamine cobalt solution as absorbing liquid, SO2 and NO in simulated flue gas is carried out to the experimental study of wet process of FGD denitration in Dual Drive stirred reactor, paper examines is under SO2 existent condition, and various factors is on the impact of NO absorption rate.The device technique that the utility model proposes is simple, and denitration efficiency is high, and can realize the recycling of discarded object.
The purpose of this utility model can be achieved through the following technical solutions: the voltage-stabiliser tube comprising gas bomb and be connected by the first pressure-reducing valve with gas bomb, described voltage-stabiliser tube is connected with the first U-shaped differential manometer by the second pressure-reducing valve, and its tie point place is provided with the first point for measuring temperature, described first U-shaped differential manometer and the first soap film flowmeter being arranged on its rear end, atmospheric valve is connected successively, described atmospheric valve is connected with gas moistener by conduit, described gas moistener by two-way efferent duct respectively with thermostat, gas blender one end is connected, described gas moistener by another road efferent duct connect threeway respectively with thermostat, the gas blender other end is connected, the output of described thermostat is also connected with gas blender by conduit, liquid phase agitator and absorbent sample valve is provided with bottom described gas blender, one tunnel of described gas blender is exported and is connected with absorbent bottle by absorbent charging valve, another road of described gas blender exports and is connected with the second U-shaped differential manometer, and its tie point place is provided with the second point for measuring temperature, described second point for measuring temperature connects the second soap film flowmeter, described second soap film flowmeter output is tail gas mouth.
Further, the tank body above described liquid phase agitator is built with triethylenediamine cobalt solution.
Compared with prior art, the utility model has advantage:
The device technique that the utility model proposes is simple, and denitration efficiency is high, good reliability, economical and practical, is applicable to China's national situation, and can realizes the recycling of discarded object.
Accompanying drawing explanation
Fig. 1 Dual Drive stirred reactor of the present utility model structural representation.
Description of symbols:
1, gas bomb; 2 first pressure-reducing valves; 3, the second pressure-reducing valve; 4, voltage-stabiliser tube;
5, the first point for measuring temperature; 6, the first U-shaped differential manometer; 7, the first soap film flowmeter; 8, atmospheric valve;
9, gas moistener; 10, thermostat; 11, gas blender; 12, liquid phase agitator;
13, absorbent sample valve; 14, absorbent charging valve; 15, the second U-shaped differential manometer;
16, absorbent bottle; 17, the second point for measuring temperature; 18, the second soap film flowmeter; 19, tail gas mouth.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail:
As shown in Figure 1, a kind of efficient liquid absorbent simultaneous SO_2 and NO removal device, it is characterized in that: the voltage-stabiliser tube 4 comprising gas bomb 1 and be connected by the first pressure-reducing valve 2 with gas bomb 1, described voltage-stabiliser tube 4 is connected with the first U-shaped differential manometer 6 by the second pressure-reducing valve 3, and its tie point place is provided with the first point for measuring temperature 5, described first U-shaped differential manometer 6 and the first soap film flowmeter 7 being arranged on its rear end, atmospheric valve 8 is connected successively, described atmospheric valve 8 is connected with gas moistener 9 by conduit, described gas moistener 9 by two-way efferent duct respectively with thermostat 10, gas blender 11 one end is connected, described gas moistener 9 by another road efferent duct connect threeway respectively with thermostat 10, gas blender 11 other end is connected, the output of described thermostat 10 is also connected with gas blender 11 by conduit, liquid phase agitator 12 and absorbent sample valve 13 is provided with bottom described gas blender 11, one tunnel of described gas blender 11 is exported and is connected with absorbent bottle 16 by absorbent charging valve 14, another road of described gas blender 11 exports and is connected with the second U-shaped differential manometer 15, and its tie point place is provided with the second point for measuring temperature 17, described second point for measuring temperature 17 connects the second soap film flowmeter 18, described second soap film flowmeter 18 output is tail gas mouth 19.
During the work of this device, by compressed air, compression High Purity Nitrogen and compression NO gas by after pressure-reducing valve, mix by a certain amount of proportioning, make air, N2 and NO be made into simulated flue gas with certain proportioning.Reaction unit as shown in Figure 1, send from steel cylinder through pressure-reducing valve by gas, after voltage-stabiliser tube voltage stabilizing, be adjusted to suitable flow by gas control valve, enters water saturation device with after soap film flowmeter metering; Saturator is placed in super constant temperature trough; The absorption temperature that Dual Drive stirs absorber is also controlled by thermostat; The gas of humidification enters in the middle part of absorber, from upper outlet draws after contacting with absorbent solution; Exit gas condensation drying after another soap film flowmeter is entered Nicolet FTIS and is measured gas phase composition, is imported and exported the concentration of NO in flue gas, obtain the reaction rate of NO by detection reaction device.For obtaining higher NO absorption rate, the present embodiment carries out under strongly alkaline conditions, and result shows, the absorption rate of NO increases with the increase of triethylenediamine cobalt concentration, the having to be beneficial to and improve the absorption rate of NO of oxygen in gas phase, the absorption rate of NO increases with the increase of oxygen content.Meanwhile, SO2 and NO in flue gas can be separately converted to sulphur ammonium and ammonium nitrate with triethylenediamine cobalt solution as absorbing liquid, these are useful fertilizer, achieve effective utilization of resource.
The utility model is not limited to above-mentioned concrete embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, done all conversion, all drop within protection domain of the present utility model.
Claims (2)
1. an efficient liquid absorbent simultaneous SO_2 and NO removal device, it is characterized in that: the voltage-stabiliser tube (4) comprising gas bomb (1) and be connected by the first pressure-reducing valve (2) with gas bomb (1), described voltage-stabiliser tube (4) is connected with the first U-shaped differential manometer (6) by the second pressure-reducing valve (3), and its tie point place is provided with the first point for measuring temperature (5), described first U-shaped differential manometer (6) and the first soap film flowmeter (7) being arranged on its rear end, atmospheric valve (8) is connected successively, described atmospheric valve (8) is connected with gas moistener (9) by conduit, described gas moistener (9) by two-way efferent duct respectively with thermostat (10), gas blender (11) one end is connected, described gas moistener (9) by another road efferent duct connect threeway respectively with thermostat (10), gas blender (11) other end is connected, the output of described thermostat (10) is also connected with gas blender (11) by conduit, described gas blender (11) bottom is provided with liquid phase agitator (12) and absorbent sample valve (13), one tunnel of described gas blender (11) is exported and is connected with absorbent bottle (16) by absorbent charging valve (14), another road of described gas blender (11) exports and is connected with the second U-shaped differential manometer (15), and its tie point place is provided with the second point for measuring temperature (17), described second point for measuring temperature (17) connects the second soap film flowmeter (18), described second soap film flowmeter (18) output is tail gas mouth (19).
2. one according to claim 1 efficient liquid absorbent simultaneous SO_2 and NO removal device, is characterized in that: the tank body of described liquid phase agitator (12) top is built with triethylenediamine cobalt solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304476.XU CN204073822U (en) | 2014-06-10 | 2014-06-10 | A kind of efficient liquid absorbent simultaneous SO_2 and NO removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304476.XU CN204073822U (en) | 2014-06-10 | 2014-06-10 | A kind of efficient liquid absorbent simultaneous SO_2 and NO removal device |
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| Publication Number | Publication Date |
|---|---|
| CN204073822U true CN204073822U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420304476.XU Expired - Fee Related CN204073822U (en) | 2014-06-10 | 2014-06-10 | A kind of efficient liquid absorbent simultaneous SO_2 and NO removal device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406711A (en) * | 2018-10-17 | 2019-03-01 | 华电电力科学研究院有限公司 | A kind of device for absorbing tail gas and its tail gas absorption method for SCR denitration performance detection |
-
2014
- 2014-06-10 CN CN201420304476.XU patent/CN204073822U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406711A (en) * | 2018-10-17 | 2019-03-01 | 华电电力科学研究院有限公司 | A kind of device for absorbing tail gas and its tail gas absorption method for SCR denitration performance detection |
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| Date | Code | Title | Description |
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| 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: 20150107 Termination date: 20150610 |
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| EXPY | Termination of patent right or utility model |