CN203017986U - Photocatalysis desulfurization, denitrification and demercuration integrated moving bed reactor - Google Patents
Photocatalysis desulfurization, denitrification and demercuration integrated moving bed reactor Download PDFInfo
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- CN203017986U CN203017986U CN 201320052167 CN201320052167U CN203017986U CN 203017986 U CN203017986 U CN 203017986U CN 201320052167 CN201320052167 CN 201320052167 CN 201320052167 U CN201320052167 U CN 201320052167U CN 203017986 U CN203017986 U CN 203017986U
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Abstract
The utility model relates to a photocatalysis desulfurization, denitrification and demercuration integrated moving bed reactor which comprises two reaction chambers in bilateral symmetry, wherein each reaction chamber consists of three independent moving vertical slots with the same size and space: a front vertical slot, a middle vertical slot and a rear vertical slot; a roller type feeder is arranged at the bottom of each vertical slot and used for controlling the discharge amount of active semi-coke; and an ultraviolet lamp is mounted between every two moving vertical slots and used for providing O3 and ultraviolet light for a photocatalysis reaction. The photocatalysis desulfurization, denitrification and demercuration integrated moving bed reactor provided by the utility model can treat the sulfur, nitre and mercury in smoke at the same time, and realizes resource recovery of sulfur and nitrogen as well as low pressure drop, large smoke flux, uniform temperature distribution and good oxidation effect. Moreover, the photocatalysis desulfurization, denitrification and demercuration integrated moving bed reactor also has the advantages of stable operation elasticity, high cost performance of investment, low operation cost and no secondary pollution, can be applied to the environment purifying protection industry of smoke such as a coal-fired power plant, a coal-fired boiler and a coal-fired kiln, and has wide popularization value.
Description
Technical field
The utility model relates to a kind of reactor, more specifically says a kind of desulfurization denitration demercuration integrated mobile bed bioreactor with photo-catalysis function.
Background technology
According to statistics, between 2005-2012, China SO
2Annual emissions 2,200 ten thousand tons of left and right, occupies first place in the world always.The discharge capacity of NOx is 1,700 ten thousand tons of left and right, and the trend of rising is arranged.SO
2Make the acid rain increase of China extremely rapid with a large amount of dischargings of NOx, China's acid rain area has accounted for 40% of area at present, and the rare Precipitation pH in the world occurs lower than 4 situation.Economic loss every year of agricultural, forestry and material damage being caused due to the acid rain sedimentation is up to more than 1,000 hundred million yuan (World Bank is estimated as 5,000 hundred million yuan).Therefore, how it is carried out effective improvement and become very urgent, as the to need to be resolved hurrily difficult problem in one, field of China's pollution control.
At present, have multiple coal fired power plant flue gas desulfurization, denitration, demercuration purification techniques both at home and abroad, these methods can be divided into wet method and dry method on technique, and wherein industrialized main method has: 1) lime-gypsum method desulfurization; 2) the two alkaline process of Sodium/Calcium or wet oxidation magnesium method; 3) activated coke dry flue gas desulphurization denitration demercuration (Japan and Europe).
Wherein, the active carbocoal flue gas resource reclaiming type dry flue gas desulphurization of China sea sample university research and development, denitration, demercuration adsorption catalyst and corresponding process equipment and engineering, state-of-the-art flue gas desulfurization on our times, denitration, demercuration technology, compare the advantage such as have small investment, sulphur polluted by nitrogen element reclaims entirely, energy consumption is low, equipment is simple, easy to maintenance, flue gas need not to heat again with wet desulphurization, the denitration of SCR method, simultaneously with the SO in flue gas
2, NOx etc. " poisonous and harmful impurity " transforms and is recovered as the multiple sulphur nitridation products such as sulphur ammonium, ammonium nitrate, active carbocoal desulphurization and denitration agent after repeatedly regeneration activity reduces can self assembly produce waste water treating agent, filtrate and boiler oil etc. in oxidation/regenerative process.
Summary of the invention
For the demand of above-mentioned flue gas desulfurization and denitrification demercuration, the purpose of this utility model be to provide a kind of simple in structure, operating cost is cheap and realize the integrated mobile bed bioreactor of photocatalysis desulfurization denitration demercuration.
The utility model comprises symmetrical two reative cells, and each reative cell is comprised of three the size mobile vertical slots of independence identical with spacing again, is divided into front vertical slot, middle vertical slot and rear portion vertical slot; There is the roll-type dispenser to control the quantity that active carbocoal is discharged bottom each vertical slot; Move at each uviol lamp is installed between vertical slot, be used to provide the needed O of light-catalyzed reaction
3And ultraviolet light.
Described moving-burden bed reactor parameter is: long 2-3m, wide 1.5-10m, high 1.5-22m, the wall spacing of each vertical slot is: 0.2-0.5m, distance between vertical slot and vertical slot is: 0.1-0.3m, and two of left and right reacting chamber space is apart from being 0.1-1.0m, it is 0.01-1.0m/h that bed moves down speed.
Be provided with respectively the gas duct in the vertical slot air inlet of each reative cell and the side of giving vent to anger, make the flue gas flow rate of turnover vertical slot even, improve purification efficiency.
Be provided with mobile deflector in vertical slot, deflector can be controlled the speed that moves down of semicoke photochemical catalyst, and plays certain cushioning effect when the semicoke photochemical catalyst moves down, to reduce collision and the wearing and tearing of semicoke particle.
The angle of deflector and vertical slot wall is: the 10-45 degree, can pass through the spring free adjustment, and have pore on deflector.Establish a deflector along the every 1.5-2.5m of vertical slot, and the setting of on average staggering along vertical slot wall two sides.
The front vertical slot air inlet side of described reative cell is provided with the drainage plate of miter angle, and drainage plate length is: 0.05-0.1m, with the turbulent extent that increases inlet gas and the path that penetrates that extends gas, strengthen mass transfer effect.
Concrete technology operating condition of the present utility model is: semicoke desulfurizing agent Sulfur capacity 8%-12%, semicoke denitrfying agent nitre holds 3%-5%, flue gas desulfurization and denitrification temperature 60-150
οC, air speed 500-2000h
-1Usually the SO that contains in flue gas
2Concentration is 0-5000mg/m
3, NO concentration is 0-2000mg/m
3
The utility model is sulphur, nitre and mercury in smoke treatment simultaneously, and sulphur nitrogen is wherein realized that resource reclaims, and pressure drop is low, the flue gas flux large, uniformity of temperature profile, oxidation effectiveness are good.In addition, also have operating flexibility stable, the investment cost performance is high, and operating cost is low, and the advantage of non-secondary pollution can be used for having promotional value widely in the environment purification protection industry of the flue gases such as coal-burning power plant, coal-burning boiler and coal-fired furnace.
Description of drawings
Fig. 1 is structural representation of the present utility model.
1. rotary valve; 2. material seal apparatus; 3. collection chamber; 4. uviol lamp; 5. drainage plate; 6. mobile deflector; 7. flue gas inlet channel; 8. roll-type dispenser; 9. front vertical slot; 10. middle vertical slot; 11. rear portion vertical slot; The side gas duct 12. give vent to anger; 13. air inlet side gas duct.
The specific embodiment
Further illustrate the utility model below in conjunction with accompanying drawing and by specific embodiment.
As shown in Figure 1, after former flue gas enters inlet channel 7, first flow through drainage plate 5 to strengthen the turbulent extent of flue gas, be evenly distributed to by vertical slot air inlet side gas duct 13 in the reative cell of two symmetries in left and right, flue gas is priority process front vertical slot 9, middle vertical slot 10 and rear portion vertical slot 11 in each reative cell, and with the form of cross-flow and active carbocoal photochemical catalyst generation adsoption catalysis reaction, the flue gas after purification flows away from the side gas duct 12 of giving vent to anger, and discharges after collecting by collection chamber 3.Meanwhile, the active carbocoal photochemical catalyst before, during and after slowly moved down by mobile deflector 6 guiding with different speed in three mobile vertical slots of independence, discharge moving-burden bed reactors through roll-type dispenser 8, recycle after going regenerative system to complete regeneration.Above-mentioned mobile deflector 6 can by the angle between spring free adjustment itself and wall, play the effect that buffering and guiding semicoke photochemical catalyst move down.
Simultaneously, uviol lamp 4 is to active carbocoal photochemical catalyst bed internal radiation ultraviolet light and generation O
3, to promote active carbocoal catalytic oxidation SO
2With the effect of NO, realize that at last the integrated of sulfureous in flue gas, nitre and mercury removes.
In flue gas desulfurization and denitrification demercuration process, rotary valve 1 cuts off logistics by rotating the inner rotation baffle plate, to prevent leaking of flue gas.Material is equipped with the semicoke photochemical catalyst of certain altitude in seal apparatus 2, lengthening the circulation path of flue gas, thereby increases the pressure drop of flue gas, leaks from vertical slot top to prevent flue gas, plays sealing function.
Claims (7)
1. photocatalysis desulfurization denitration demercuration integrated mobile bed bioreactor, it is characterized in that it comprises symmetrical two reative cells, each reative cell is comprised of three the size mobile vertical slots of independence identical with spacing again, be divided into front vertical slot, there is the roll-type dispenser to control the quantity that active carbocoal is discharged bottom middle vertical slot and rear portion vertical slot, each vertical slot; Move at each uviol lamp is installed between vertical slot, be used to provide the needed O of light-catalyzed reaction
3And ultraviolet light.
2. integrated mobile bed bioreactor according to claim 1, is characterized in that described moving-burden bed reactor dimensional parameters is: long 2-3m, wide 1.5-10m, high 1.5-25m; Two sidewalls distances of each vertical slot are: 0.2-0.5m, and the distance between vertical slot and vertical slot is: 0.1-0.3m; Two of left and right reacting chamber space is apart from being 0.1-1m, and it is 0.01-1.0m/h that bed moves down speed.
3. integrated mobile bed bioreactor according to claim 1, is characterized in that being provided with in described vertical slot mobile deflector, establishes one along the every 1.5-2.5m of vertical slot, and the setting of on average staggering along vertical slot wall two sides.
4. integrated mobile bed bioreactor according to claim 1 is characterized in that in the vertical slot air inlet of each reative cell and the side of giving vent to anger, the gas duct being set respectively.
5. integrated mobile bed bioreactor according to claim 3 is characterized in that the angle of described deflector and vertical slot wall is: the 10-45 degree, can pass through the spring free adjustment.
6. integrated mobile bed bioreactor according to claim 3, is characterized in that having pore on described deflector.
7. integrated mobile bed bioreactor according to claim 1 is characterized in that the front vertical slot air inlet side of described each reative cell, is provided with the drainage plate of miter angle, and drainage plate length is: 0.05-0.1m.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052167 CN203017986U (en) | 2013-01-30 | 2013-01-30 | Photocatalysis desulfurization, denitrification and demercuration integrated moving bed reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052167 CN203017986U (en) | 2013-01-30 | 2013-01-30 | Photocatalysis desulfurization, denitrification and demercuration integrated moving bed reactor |
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| CN203017986U true CN203017986U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320052167 Expired - Fee Related CN203017986U (en) | 2013-01-30 | 2013-01-30 | Photocatalysis desulfurization, denitrification and demercuration integrated moving bed reactor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104436995A (en) * | 2014-11-17 | 2015-03-25 | 江苏大学 | Seaweed gel based desulfurization, denitrification and demercuration method and preparation method of seaweed gel |
| CN108786454A (en) * | 2018-07-05 | 2018-11-13 | 上海电力学院 | A kind of electrostatic photocatalysis demercuration dust-extraction unit |
| CN109013058A (en) * | 2018-09-27 | 2018-12-18 | 上海电力学院 | A kind of high-efficient wet-type electrostatic precipitator catalysis oxidation joint removing heavy metal device |
| CN112717734A (en) * | 2021-02-02 | 2021-04-30 | 第一拖拉机股份有限公司 | Configuration structure of light oxygen clarification plant treatment module |
-
2013
- 2013-01-30 CN CN 201320052167 patent/CN203017986U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104436995A (en) * | 2014-11-17 | 2015-03-25 | 江苏大学 | Seaweed gel based desulfurization, denitrification and demercuration method and preparation method of seaweed gel |
| CN108786454A (en) * | 2018-07-05 | 2018-11-13 | 上海电力学院 | A kind of electrostatic photocatalysis demercuration dust-extraction unit |
| CN109013058A (en) * | 2018-09-27 | 2018-12-18 | 上海电力学院 | A kind of high-efficient wet-type electrostatic precipitator catalysis oxidation joint removing heavy metal device |
| CN109013058B (en) * | 2018-09-27 | 2024-06-28 | 上海电力学院 | High-efficient wet electrostatic precipitator catalytic oxidation jointly removes heavy metal device |
| CN112717734A (en) * | 2021-02-02 | 2021-04-30 | 第一拖拉机股份有限公司 | Configuration structure of light oxygen clarification plant treatment module |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20180130 |