CN208599466U - A kind of desulphurization denitration dedusting integral type reaction tower - Google Patents
A kind of desulphurization denitration dedusting integral type reaction tower Download PDFInfo
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- CN208599466U CN208599466U CN201820873383.7U CN201820873383U CN208599466U CN 208599466 U CN208599466 U CN 208599466U CN 201820873383 U CN201820873383 U CN 201820873383U CN 208599466 U CN208599466 U CN 208599466U
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- dust
- flue
- reaction tower
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Treating Waste Gases (AREA)
Abstract
The utility model belongs to field of environment engineering, more particularly to a kind of non-electrical desulphurization denitration dedusting integral type reaction tower of collaboration processing, including tunnel type fluidized bed reactor, desulfurization denitrification agent spray gun, boil bed gasifying apparatus, unloading valve, flue-dust retainer, dust-extraction unit, nested type multiple reaction tower, desulfurization denitrification agent sparge ring, porous honeycomb formula ceramic packing, net flue, industrial tunnel type fluidized bed reactor side wall is uniformly equipped with multiple desulfurization denitrification agent spray guns, tunnel type fluidized bed reactor bottom is uniformly equipped with multiple boiling bed gasifying apparatus, dust-extraction unit side is connect with tunnel type fluidized bed reactor, dust-extraction unit bottom surface connects with flue-dust retainer, flue-dust retainer is up big and down small pyramidal structure, flue-dust retainer bottom is equipped with unloading valve, air after the outside emission treatment of net flue, nested type multiple reaction tower is mounted on above dust-extraction unit , porous honeycomb formula ceramic packing is disposed in net flue.The utility model meets the needs of minimum discharge, effectively reduces operating cost.
Description
Technical field
The utility model belongs to field of environment engineering, and in particular to a kind of non-electrical desulphurization denitration dedusting one of collaboration processing
Formula reaction tower.
Background technique
Currently, have been developed that both at home and abroad multiple technologies and device be applied to industrial waste gas especially boiler waste gas desulfurization,
Denitration.Wherein, denitration technology includes low-NO_x combustion technology, denitrating flue gas (SNCR) technology etc..Desulfurization technology includes:
1, Wet Flue Gas Desulfurization Technique is the double subtractions (calcium method) or magnesia (magnesium using lime slurry and sodium hydroxide solution
Method), reach desulfurization effect through processing such as absorption, oxidation and demistings, the disadvantage is that have operating cost height, equipment seriously corroded,
Wastewater treatment and secondary pollution problems；
2, desulfurization by dry method is carried out in burner hearth, and this method is although relatively easy, corrosion-free and without wastewater treatment.But
It is to be used on Fluidized Bed Boiler, desulfuration efficiency is low, reaction speed is slow.
3, pulverized limestone desulfurization technology is sprayed in Boiler Furnace, this method is according to the burning feature of boiler that solid pulverized limestone is direct
It is sintered into calcium oxide at high temperature after spraying into burner hearth, is reacted with the sulfur dioxide in flue gas, is carried out in burner hearth to realize
Desulfurization；At runtime, reaction temperature controls not in place and flue gas and stops in burner hearth the problems such as short this method, Wu Fada
To perfect condition.
The content for the nitrogen oxides that above-mentioned three kinds of modes are emitted into air after handling is still higher, and nitrogen oxides is to cause greatly
One of the major pollutants of gas pollution, nitrogen oxides is eventually converted to nitric acid and nitrate, nitric acid in conjunction with the water in air
It is one of the origin cause of formation of acid rain.Therefore, efficiently, stablize, it is energy saving cooperate with the sulfide handled in industrial waste gas, itrated compound, mercury,
Fluorine, solid particle reduce the pollution to environment, become urgent problem to be solved in industry.
Utility model content
For above-mentioned deficiency present in the prior art, the technical problem to be solved by the present invention is to provide a kind of desulfurization
It is super to play sulfide, itrated compound, mercury, fluorine, solid particle in a manner of non-electrical, collaboration processing for denitration dust collecting integral type reaction tower
The effect of low emission.
The utility model adopts the following technical solution: a kind of desulphurization denitration dedusting integral type reaction tower, including tunnel type boiling
It is multiple anti-to rise a reactor, desulfurization denitrification agent spray gun, boiling bed gasifying apparatus, unloading valve, flue-dust retainer, dust-extraction unit, nested type
Tower, desulfurization denitrification agent sparge ring, porous honeycomb formula ceramic packing, net flue are answered, the industrial waste gas access work of generation is produced and processed
Industry tunnel type fluidized bed reactor, industrial tunnel type fluidized bed reactor are the tubular structure of the both ends open of 8-16M long, industry
Tunnel type fluidized bed reactor side wall is uniformly equipped with multiple desulfurization denitrification agent spray guns, and tunnel type fluidized bed reactor bottom is uniform
Multiple boiling bed gasifying apparatus are installed, to prevent dust deposition, promote being sufficiently mixed for flue gas and desulfurization denitrification agent；
Dust-extraction unit is the cuboid facility for the open on three sides that a section is rectangle, and dust-extraction unit side and tunnel type boil
Bed reactor connection, dust-extraction unit bottom surface connect with flue-dust retainer, and flue-dust retainer is up big and down small pyramidal structure, flue-dust retainer bottom peace
Equipped with unloading valve, unloading valve can clear up away the solid particulate matter of collection；
Nested type multiple reaction tower is the equipment that a shape is tubular, and nested type multiple reaction tower is mounted on dust-extraction unit
Side, nested type multiple reaction tower use three layers of telescopic baffling structure, and innermost layer sleeve is fixed on dust-extraction unit；Middle layer sleeve
Bottom opening is fixed by the desulfurization denitrification agent sparge ring of dish type, and outer layer sleeve is the outer wall of nested type multiple reaction tower, desulfurization
Denitrfying agent sparge ring is mounted in the middle part of nested type multiple reaction tower, and desulfurization denitrification agent sparge ring includes multi-ring annular pipe, ring pipe
Upper uniformly distributed multiple apertures increase contact area；
Air after the outside emission treatment of net flue, net flue are connect with nested type multiple reaction tower, arrangement in net flue
There is porous honeycomb formula ceramic packing.
Further, to prevent dust deposition, tunnel type fluidized bed reactor central axis is horizontal by 15-35 °
Inclination angle makes flue dust slide into flue-dust retainer by gravity.
Further, for raising efficiency, the bed gasifying apparatus that boils uses porous ceramics aeration board.
Further, in order to reduce cost, dust-extraction unit uses MC type pulse bag type dust collector.
Further, in order to obtain more preferable dust removing effects, dust-extraction unit uses mobile electrode electric precipitator.
Further, in order to reach better treatment effect, desulfurization denitrification agent lance ejection, desulfurization denitrification agent sparge ring
Inorganic agent includes sodium chlorate or sodium chlorite.
Further, the sleeve of nested type multiple reaction tower and industrial waste gas contact surface are disposed with activated carbon.
Further, porous honeycomb formula ceramic packing uses hole count for every square centimeter 120-140, every cube li of density
0.3-0.6 gram of rice, water absorption rate are greater than 20% product.
Treatment process is as follows:
1, the exhaust gas incoming tunnel formula fluidized bed reactor that heat power station generates, desulfurization denitrification agent lance ejection sodium chlorate
Or NO is oxidized to NO2 by sodium chlorite solution, desulfurization denitrification agent, NO2 is then reduced into N2 with CaCO3 solution, CaCO3 is molten
Liquid simultaneously can be with desulfurization, the reducing agent of the reaction product of desulfurization but also as NO2.Porous ceramics aeration board is biggish solid by density
Body particulate matter is blown afloat, and prevents dust deposition, and guarantee to guarantee flue gas and sodium chlorate or sodium chlorite solution have adequately contact and
Reaction time；
2, a part of solid particulate matter slides into flue-dust retainer, and a part of solid particulate matter is with by the processing of the first procedure
Industrial waste gas is filtered by dust-extraction unit；
3, industrial waste gas continues to move back and forth in nested type multiple reaction tower, and three layers of active carbon of sleeve lateral wall are to pollute
Object extends contact, reaction time, and 98% pollutant is gone out at this time；
4, before being discharged into air, the processing using porous honeycomb formula ceramic packing is needed.
The utility model has the advantages that
The present apparatus meets the needs of minimum discharge, while improving the comprehensive utilization ratio of desulfurization denitrification agent, is effectively reduced
Operating cost, and occupied area can be reduced, and can work long hours.
Detailed description of the invention
Fig. 1 is the utility model principle schematic diagram；
Fig. 2 is that industrial waste gas flows to schematic diagram in the nested type multiple reaction tower of the utility model.
In figure: 1 tunnel type fluidized bed reactor, 2 desulfurization denitrification agent spray guns, 3 boiling bed gasifying apparatus, 4 unloading valves, 5 collection
Ash bucket, 6 dust-extraction units, 7 nested type multiple reaction towers, 8 desulfurization denitrification agent sparge rings, 9 porous honeycomb formula ceramic packings, 10 is net
Flue.
Specific embodiment
The particular content of the utility model is described in detail in the following with reference to the drawings and specific embodiments.
A kind of desulphurization denitration dedusting integral type reaction tower as shown in Figure 1:, including it is tunnel type fluidized bed reactor (1), de-
Sulphur denitrfying agent spray gun (2), boiling bed gasifying apparatus (3), unloading valve (4), flue-dust retainer (5), dust-extraction unit (6), nested type are multiple
Reaction tower (7), desulfurization denitrification agent sparge ring (8), porous honeycomb formula ceramic packing (9), net flue (10), produce and process generation
Industrial waste gas, access industrial tunnel type fluidized bed reactor (1), industrial tunnel type fluidized bed reactor (1) are in the direction of the arrow
The tubular structure of the both ends open of 8-16M long, it is de- that industrial tunnel type fluidized bed reactor (1) side wall is uniformly equipped with multiple desulfurization
Nitre agent spray gun (2), tunnel type fluidized bed reactor (1) bottom is uniformly equipped with multiple boiling bed gasifying apparatus (3), to prevent cigarette
Dirt deposition, promotion flue gas and desulfurization denitrification agent are sufficiently mixed；
Dust-extraction unit (6) is the cuboid facility for the open on three sides that a section is rectangle, dust-extraction unit (6) side and tunnel
Formula fluidized bed reactor (1) connection, dust-extraction unit (6) bottom surface connect with flue-dust retainer (5), and flue-dust retainer (5) is up big and down small cone
Shape structure, flue-dust retainer (5) bottom are equipped with unloading valve (4), and unloading valve (4) can clear up away the solid particulate matter of collection；
Nested type multiple reaction tower (7) is the equipment that a shape is tubular, and nested type multiple reaction tower (7) is mounted on dedusting
Above device (6), nested type multiple reaction tower (7) uses three layers of telescopic baffling structure, industrial waste gas flow direction as shown in Fig. 2,
Innermost layer sleeve is fixed on dust-extraction unit (6)；Middle layer sleeve bottom opening, passes through the desulfurization denitrification agent sparge ring (8) of dish type
Fixed, outer layer sleeve is the outer wall of nested type multiple reaction tower (7), and it is multiple that desulfurization denitrification agent sparge ring (8) is mounted on nested type
In the middle part of reaction tower (7), desulfurization denitrification agent sparge ring (8) includes multi-ring annular pipe, and uniformly distributed multiple apertures increase contact on ring pipe
Area；
Net flue (10) in the direction of the arrow, the air after outside emission treatment, net flue (10) and nested type multiple reaction
Tower (7) connection, net flue (10) is interior to be disposed with porous honeycomb formula ceramic packing (9),
In practical applications, tunnel type fluidized bed reactor (1) central axis is tilted horizontal by 15-35 °
Angle makes flue dust slide into flue-dust retainer (5) by gravity.
In practical applications, the boiling bed gasifying apparatus (3) uses porous ceramics aeration board.
In practical applications, the dust-extraction unit (6) uses MC type pulse bag type dust collector.
In practical applications, the dust-extraction unit (6) uses mobile electrode electric precipitator.
In practical applications, the desulfurization denitrification agent spray gun (2) injection, desulfurization denitrification agent sparge ring (8) inorganic agent packet
Include sodium chlorate or sodium chlorite.
In practical applications, the sleeve of the nested type multiple reaction tower (7) and industrial waste gas contact surface are disposed with work
Property carbon.
In practical applications, the porous honeycomb formula ceramic packing (9) uses hole count for every square centimeter 120-140,
0.3-0.6 gram per cubic centimeter of density, water absorption rate is greater than 20% product.
The technique of non-electrical desulphurization denitration dedusting minimum discharge collaboration processing key technology are as follows: flue gas -- chimney flue type reaction bed
(sodium chlorate & sodium chlorite) -- device for eliminating smoke and dust -- desulfurization and denitrification integral reaction tower (active carbon adsorption) -- high-efficiency cloth bag
Dust-extraction unit -- porous honeycomb formula ceramic packing dust-extraction unit.
The technique is the coprocessing systems such as a kind of integrated Multistage desulfuration, denitration, demercuration, defluorinate, dedusting, especially suitable
Together in high sulfur-bearing, the processing of high nitrogenous medium temperature or low-temperature flue gas minimum discharge.Chimney flue type reaction bed length of work segment is in 8-16m
Left and right, when this active section can guarantee that flue gas has sufficient contact with reacting with desulfurization denitrification agent (sodium chlorate sodium chlorite)
Between；The reactor bottom has certain tilt angle simultaneously, and is disposed with porous aeration board, to prevent dust deposition, and guarantees cigarette
Being sufficiently mixed for gas and desulfurization denitrification agent, is therefore particularly suited for the pretreatment of the flue gases such as high concentration SO 2, NOX, treatment effeciency can
Up to 90% or more.Desulfurization and denitrification integral reaction tower (active carbon adsorption) uses three layers of telescoping structure form, this unique knot
Configuration formula can effectively extend channel and the time of reaction, and greatly improving the efficiency of desulphurization denitration, (treatment effeciency is up to
98% or more), meet the needs of minimum discharge, while improving the comprehensive utilization ratio of desulfurization denitrification agent, significantly reduce fortune
Row cost, and occupied area can be reduced.
Porous honeycomb formula ceramic packing is the device to flue gas further progress advanced treating, has plot ratio height, cost
The characteristics of low, high-efficient, wear-resisting, anti-corrosion, and reusable, overall efficiency is up to 99%.
In conclusion the utility model meets the needs of minimum discharge, while improving the comprehensive utilization of desulfurization denitrification agent
Rate significantly reduces operating cost, and can reduce occupied area, and can work long hours.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that above embodiment is only to illustrate the technical ideas and features of the present invention, its object is to allow be familiar with this
The personage of technology can understand the content of the utility model and be implemented, and the protection model of the utility model can not be limited with this
It encloses, all equivalent change or modifications according to made by the spirit of the present invention essence should all cover the protection model in the utility model
In enclosing.
Claims (8)
1. a kind of desulphurization denitration dedusting integral type reaction tower, it is characterised in that: including tunnel type fluidized bed reactor (1), desulfurization
Denitrfying agent spray gun (2), boiling bed gasifying apparatus (3), unloading valve (4), flue-dust retainer (5), dust-extraction unit (6), nested type are multiple anti-
Tower (7), desulfurization denitrification agent sparge ring (8), porous honeycomb formula ceramic packing (9), net flue (10) are answered, the work of generation is produced and processed
Industry exhaust gas access industrial tunnel type fluidized bed reactor (1), industrial tunnel type fluidized bed reactor (1) are the both ends of 8-16M long
The tubular structure of opening, industrial tunnel type fluidized bed reactor (1) side wall are uniformly equipped with multiple desulfurization denitrification agent spray guns (2),
Tunnel type fluidized bed reactor (1) bottom is uniformly equipped with multiple boiling bed gasifying apparatus (3)；
Dust-extraction unit (6) is the cuboid facility for the open on three sides that a section is rectangle, and dust-extraction unit (6) side and tunnel type boil
A reactor (1) connection is risen, dust-extraction unit (6) bottom surface connects with flue-dust retainer (5), and flue-dust retainer (5) is up big and down small taper knot
Structure, flue-dust retainer (5) bottom are equipped with unloading valve (4), and unloading valve (4) can clear up away the solid particulate matter of collection；
Nested type multiple reaction tower (7) is the equipment that a shape is tubular, and nested type multiple reaction tower (7) is mounted on dust-extraction unit
(6) top, nested type multiple reaction tower (7) use three layers of telescopic baffling structure, and innermost layer sleeve is fixed on dust-extraction unit (6)
On；Middle layer sleeve bottom opening, fixed by the desulfurization denitrification agent sparge ring (8) of dish type, outer layer sleeve is that nested type is multiple anti-
The outer wall of tower (7) is answered, desulfurization denitrification agent sparge ring (8) is mounted in the middle part of nested type multiple reaction tower (7), desulfurization denitrification agent injection
Ring (8) includes multi-ring annular pipe, and uniformly distributed multiple apertures increase contact area on ring pipe；
Air after the net outside emission treatment of flue (10), net flue (10) connect with nested type multiple reaction tower (7), net flue
(10) porous honeycomb formula ceramic packing (9) is disposed in.
2. a kind of desulphurization denitration dedusting integral type reaction tower according to claim 1, it is characterised in that: the tunnel type boiling
A reactor (1) central axis is risen horizontal by 15-35 ° of inclinations angle, so that flue dust is slid into flue-dust retainer (5) by gravity.
3. a kind of desulphurization denitration dedusting integral type reaction tower according to claim 2, it is characterised in that: the ebullated bed gas
Makeup sets (3) using porous ceramics aeration board.
4. a kind of desulphurization denitration dedusting integral type reaction tower according to claim 3, it is characterised in that: the dust-extraction unit
(6) MC type pulse bag type dust collector is used.
5. a kind of desulphurization denitration dedusting integral type reaction tower according to claim 3, it is characterised in that: the dust-extraction unit
(6) mobile electrode electric precipitator is used.
6. a kind of desulphurization denitration dedusting integral type reaction tower according to claim 3, it is characterised in that: the desulphurization denitration
Agent spray gun (2) sprays, the inorganic agent of desulfurization denitrification agent sparge ring (8) includes sodium chlorate or sodium chlorite.
7. a kind of desulphurization denitration dedusting integral type reaction tower according to claim 6, it is characterised in that: the nested type is more
The sleeve and industrial waste gas contact surface of weight reaction tower (7) are disposed with activated carbon.
8. -7 any a kind of desulphurization denitration dedusting integral type reaction tower according to claim 1, it is characterised in that: described more
Hole honeycomb type ceramic filler (9) uses hole count for every square centimeter 120-140,0.3-0.6 gram per cubic centimeter of density, water suction
Rate is greater than 20% product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820873383.7U CN208599466U (en) | 2018-06-07 | 2018-06-07 | A kind of desulphurization denitration dedusting integral type reaction tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820873383.7U CN208599466U (en) | 2018-06-07 | 2018-06-07 | A kind of desulphurization denitration dedusting integral type reaction tower |
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| Publication Number | Publication Date |
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| CN208599466U true CN208599466U (en) | 2019-03-15 |
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ID=65662757
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| CN201820873383.7U Expired - Fee Related CN208599466U (en) | 2018-06-07 | 2018-06-07 | A kind of desulphurization denitration dedusting integral type reaction tower |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112495184A (en) * | 2020-11-30 | 2021-03-16 | 江苏新中金环保科技股份有限公司 | Low-temperature SCR catalytic method denitration device |
| CN112999817A (en) * | 2021-04-09 | 2021-06-22 | 吕存英 | Environment-friendly dust remover is used in mill |
| CN114632410A (en) * | 2022-02-25 | 2022-06-17 | 深州嘉信化工有限责任公司 | Double-circulation flue gas dust removal and desulfurization device |
-
2018
- 2018-06-07 CN CN201820873383.7U patent/CN208599466U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112495184A (en) * | 2020-11-30 | 2021-03-16 | 江苏新中金环保科技股份有限公司 | Low-temperature SCR catalytic method denitration device |
| CN112999817A (en) * | 2021-04-09 | 2021-06-22 | 吕存英 | Environment-friendly dust remover is used in mill |
| CN112999817B (en) * | 2021-04-09 | 2022-08-16 | 四川恒业硅业有限公司 | Environment-friendly dust remover is used in mill |
| CN114632410A (en) * | 2022-02-25 | 2022-06-17 | 深州嘉信化工有限责任公司 | Double-circulation flue gas dust removal and desulfurization device |
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