CN209596920U - A kind of SDA semi-dry desulphurization tower of improvement - Google Patents
A kind of SDA semi-dry desulphurization tower of improvement Download PDFInfo
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- CN209596920U CN209596920U CN201920101590.5U CN201920101590U CN209596920U CN 209596920 U CN209596920 U CN 209596920U CN 201920101590 U CN201920101590 U CN 201920101590U CN 209596920 U CN209596920 U CN 209596920U
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- desulfurizing agent
- flue gas
- tower
- dry desulphurization
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Abstract
The utility model discloses a kind of SDA semi-dry desulphurization towers of improvement, including desulfurization tower shell and for desulfurizing agent mechanism, the bottom of desulfurization tower shell is connected with the taper ash bucket that chamfering is 60 °, the top and bottom end of desulfurizing tower enclosure interior are separately installed with rotary atomizer and regular hexagon flue gas distributor, the bottom of regular hexagon flue gas distributor connects smoke inlet pipelines by flue gas delivery pipe road, the top of rotary atomizer is by piping connection for desulfurizing agent mechanism, it include water tank and by the sequentially connected desulfurizing agent holding vessel of pipeline for desulfurizing agent mechanism, desulfurizing agent dissolving tank and desulfurizer slurry storage tank.The uniformity that flue gas in the utility model is distributed in desulfurizing tower is more preferable, reacts more abundant with desulfurization agent.
Description
Technical field
The utility model belongs to desulphurization plant technical field, and in particular to a kind of SDA semi-dry desulphurization tower of improvement.
Background technique
Whether desulfurization technology type adds the dry and wet shape of water and desulfurization product according to sweetening process up to tens kinds both at home and abroad at present
State is divided into: wet desulphurization, semi-dry desulphurization and dry desulfurization three categories technique, and the technique of domestic large desulfurization unit 80% is
Wet Flue Gas Desulfurization Technique, wherein using at most is desulfurization method of limestone-gypsum, technical process is to be made with lime stone or lime
Desulfurization absorbent, lime stone are mixed into absorption slurries through pulverizing and jevigating powdering and water, absorbed in absorption tower slurries with
Smoke contacts mixing, calcium carbonate in sulfur dioxide and slurries in flue gas and the oxidation air blasted carry out chemical reaction quilt
Removing, the flue gas after desulfurization remove the fine drop taken out of through demister, are discharged into chimney after heated device heat temperature raising.Although stone
Lime stone-gypsum desulfuration efficiency is high (> 90%), and reaction speed is fast, widely applicable, but still generally existing the following aspects
Problem: (1) product is liquid or sludge, it is more difficult to it handles, it is also more serious to the corrosion of equipment；(2) energy consumption height, occupied area
Greatly, investment and operating cost are high；(3) system complex, equipment are huge, apply in general to coal-burning power plant.In consideration of it, it is necessary to study
A kind of SDA semi-dry desulphurization tower of improvement.
Summary of the invention
To solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of flue gases reacts with desulfurization agent
More sufficiently, the SDA semi-dry desulphurization tower of strong, without desulfurization blind area the improvement of adaptability for working condition.
In order to achieve the above objectives, the utility model adopts the following technical solutions:
A kind of SDA semi-dry desulphurization tower of improvement, including desulfurization tower shell and for desulfurizing agent mechanism, the bottom of desulfurization tower shell
It is 60 ° of taper ash bucket that portion, which is connected with chamfering, the top and bottom end of desulfurizing tower enclosure interior be separately installed with rotary atomizer and
Regular hexagon flue gas distributor, regular hexagon flue gas distributor include sealing plate under regular hexagon upper sealing plate and regular hexagon, and positive six
Multiple flue gas water conservancy diversion being spacedly distributed are vertically installed under side shape upper sealing plate and regular hexagon between six sides of sealing plate
The bottom of plate, regular hexagon flue gas distributor connects smoke inlet pipelines, the top of rotary atomizer by flue gas delivery pipe road
By piping connection for desulfurizing agent mechanism, includes water tank for desulfurizing agent mechanism and stored by the sequentially connected desulfurizing agent of pipeline
Tank, desulfurizing agent dissolving tank and desulfurizer slurry storage tank, water tank pass through piping connection desulfurizing agent dissolving tank.
Preferably, foregoing smoke deflector is spliced by the first rectangular slab and the second rectangular slab, the first rectangular slab and
Angle between two rectangular slabs is 150 °, and the uniformity for being distributed flue gas in desulfurizing tower is more preferable, is reacted more with desulfurization agent
Add sufficiently.
More preferably, foregoing smoke transfer pipeline includes vertical pipe and 90 ° of bend pipes, and vertical pipe passes through steel structure support
It is fixed in taper ash bucket, top is connected to the middle part of sealing plate under regular hexagon, and 90 ° of bend pipes are by vertical pipe and smoke inlet
Pipeline is connected.
It is highly preferred that aforementioned taper ash bucket inner inclination is provided with every grey baffle, it is fixed on every the higher one end of grey baffle
On vertical pipe, the middle part of taper ash bucket side wall is fixed in lower one end, to carry secretly in the flue gas of desulfurizing tower left side outlet
Dust by falling directly into taper ash bucket every grey baffle without being deposited on smoke pipeline.
It is further preferred that aforementioned desulfurizer slurry storage tank, which passes through desulfurization tower shell by pipeline, connects rotary atomizer
Top, desulfurizer slurry is atomized into the ultra-fine small drop of diameter by rotary atomizer, thus with the cigarette below import smoke pipe
Gas is come into full contact with, and desulfuration efficiency is substantially increased.
Specifically, aforementioned desulfurizing agent holding vessel is internally provided with high charge level meter and low level-sensing device, passes through high and low level-sensing device
To determine the amount of desulfurizing agent in desulfurizing agent holding vessel.
Preferably, the top of aforementioned desulfurization tower shell two sidewalls is respectively connected with smoke outlet tube, and smoke outlet tube is located at de-
At the 1/8 of sulphur tower shell height, reduces the exit velocity of flue gas after desulfurization and the long-time of exhanst gas outlet pipeline is impacted, into
Extend the desulphurization reaction time to one step.
More preferably, foregoing smoke inlet duct is set at the 2/3 of taper bin length.
It is highly preferred that being provided with frequency conversion rotation on connecting line between aforementioned desulfurizing agent holding vessel and desulfurizing agent dissolving tank
Valve enters desulfurizing agent dissolving tank according to requiring a certain amount of lime is added by frequency conversion rotary valve.
It is further preferred that the bottom of aforementioned taper ash bucket is connected with unloading valve.
The structure of the SDA semi-dry desulphurization tower of the improvement for having the beneficial effect that the utility model of the utility model is simple,
For flue gas after regular hexagon distributor, the uniformity being distributed in desulfurizing tower is more preferable, reacts with desulfurization agent and more fills
Point；Overcoming flue gas has that tower wall flue gas flow rate is low and the pressure loss is larger after traditional tangential circulation distributor；
The adaptability for working condition of desulfurizing tower is strong, without desulfurization blind area, and the pressure loss is small.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of regular hexagon flue gas distributor in the present invention；
Fig. 3 is the structural schematic diagram of smoke deflector in the present invention.
The meaning of appended drawing reference in figure: 1, smoke inlet pipelines, 2,90 ° of bend pipes, 3, vertical pipe, 3-1, steel construction branch
Frame, 4, regular hexagon flue gas distributor, 4-1, regular hexagon upper sealing plate, sealing plate under 4-2, regular hexagon, 4-3, smoke deflector,
5, every grey baffle, 6, desulfurization tower shell, 7, rotary atomizer, 10, taper ash bucket, 11, smoke outlet tube, 12, desulfurizing agent storage
Tank, 12-1, high charge level meter, 12-2, low level-sensing device, 13, frequency conversion rotary valve, 14, desulfurizing agent dissolving tank, 15, water tank, 16, desulfurization
Agent serum storage tank, 17, unloading valve.
Specific embodiment
Specific introduce is made to the utility model below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1 and 2, a kind of SDA semi-dry desulphurization tower of improvement of the utility model, including desulfurization tower shell 6 and confession
Desulfurizing agent mechanism, the bottom of desulfurization tower shell 6 are connected with the taper ash bucket 10 that chamfering is 60 °, the top inside desulfurization tower shell 6
Rotary atomizer 7 and regular hexagon flue gas distributor 4 are separately installed with bottom end.
The bottom of regular hexagon flue gas distributor 4 connects smoke inlet pipelines 1, flue gas delivery pipe by flue gas delivery pipe road
Road includes vertical pipe 3 and 90 ° bend pipe 2, and vertical pipe 3 is fixed in taper ash bucket 10 by steel structure support 3-1, top
It is connected to the middle part of sealing plate 4-2 under regular hexagon, vertical pipe 3 is connected by 90 ° of bend pipes 2 with smoke inlet pipelines 1.Taper ash
10 inner inclinations that struggle against are provided with every grey baffle 5, are fixed on vertical pipe 3 every the higher one end of grey baffle 5, and lower one end is solid
Due to the middle part of 10 side wall of taper ash bucket, so that the dust carried secretly in the flue gas of desulfurizing tower left side outlet passes through every grey baffle 5 directly
It connects and falls into taper ash bucket 10 without being deposited on smoke pipeline.
The top of rotary atomizer 7 by piping connection for desulfurizing agent mechanism, for desulfurizing agent mechanism include water tank 15 and
Passed through by the sequentially connected desulfurizing agent holding vessel 12 of pipeline, desulfurizing agent dissolving tank 14 and desulfurizer slurry storage tank 16, water tank 15
Piping connection desulfurizing agent dissolving tank 14.Change is provided on connecting line between desulfurizing agent holding vessel 12 and desulfurizing agent dissolving tank 14
Frequency rotary valve 13 enters desulfurizing agent dissolving tank 14 according to requiring a certain amount of lime is added by frequency conversion rotary valve 13.Desulfurizing agent
Serum storage tank 16 passes through the top that desulfurization tower shell 6 connects rotary atomizer 7 by pipeline, and rotary atomizer 7 starches desulfurizing agent
The liquid mist chemical conversion ultra-fine small drop of diameter substantially increases to be come into full contact with the flue gas below import smoke pipe
Desulfuration efficiency.Desulfurizing agent holding vessel 12 is internally provided with high charge level meter 12-1 and low level-sensing device 12-2, passes through high and low level-sensing device
To determine the amount of desulfurizing agent in desulfurizing agent holding vessel 12.
Regular hexagon flue gas distributor 4 includes sealing plate 4-2 under regular hexagon upper sealing plate 4-1 and regular hexagon, regular hexagon
Multiple flue gases being spacedly distributed are vertically installed between six sides of sealing plate 4-2 under upper sealing plate 4-1 and regular hexagon to lead
Flowing plate 4-3, smoke deflector 4-3 are spliced by the first rectangular slab and the second rectangular slab, the first rectangular slab and the second rectangular slab
Between angle be 150 ° (i.e. angle a) in Fig. 3, the uniformity for being distributed flue gas in desulfurizing tower is more preferable, anti-with desulfurization agent
It should more sufficiently.
The top of 6 two sidewalls of desulfurization tower shell is respectively connected with smoke outlet tube 11, and smoke outlet tube 11 is located at desulfurization tower casing
At the 1/8 of 6 height of body, reduces the exit velocity of flue gas after desulfurization and the long-time of smoke outlet tube 11 is impacted, into one
Step ground extends the desulphurization reaction time.Smoke inlet pipelines 1 are set at the 2/3 of 10 height of taper ash bucket, the bottom of taper ash bucket 10
Portion is connected with unloading valve 17.
The structure of the SDA semi-dry desulphurization tower of the improvement of the utility model is simple, and flue gas is passing through regular hexagon distributor
Afterwards, the uniformity being distributed in desulfurizing tower is more preferable, reacts more abundant with desulfurization agent；It is tangential by tradition to overcome flue gas
There is a problem of that tower wall flue gas flow rate is low and the pressure loss is larger after circulation distributor；The adaptability for working condition of desulfurizing tower is strong, nothing is de-
Sulphur blind area, and the pressure loss is small.
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-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
Technical solution obtained, all falls in the protection scope of the utility model.
Claims (10)
1. a kind of SDA semi-dry desulphurization tower of improvement, including desulfurization tower shell and for desulfurizing agent mechanism, which is characterized in that it is described
The bottom of desulfurization tower shell is connected with the taper ash bucket that chamfering is 60 °, and the top and bottom end of desulfurizing tower enclosure interior are installed respectively
There are a rotary atomizer and regular hexagon flue gas distributor, the regular hexagon flue gas distributor includes regular hexagon upper sealing plate and just
Sealing plate under hexagon is vertically installed between six sides of sealing plate under the regular hexagon upper sealing plate and regular hexagon multiple
The smoke deflector being spacedly distributed, the bottom of the regular hexagon flue gas distributor connect flue gas by flue gas delivery pipe road and enter
Mouthful pipeline, by piping connection for desulfurizing agent mechanism, described for desulfurizing agent mechanism includes water tank for the top of the rotary atomizer
And passed through by the sequentially connected desulfurizing agent holding vessel of pipeline, desulfurizing agent dissolving tank and desulfurizer slurry storage tank, the water tank
Piping connection desulfurizing agent dissolving tank.
2. a kind of SDA semi-dry desulphurization tower of improvement according to claim 1, which is characterized in that the smoke deflector
It is spliced by the first rectangular slab and the second rectangular slab, the angle between first rectangular slab and the second rectangular slab is 150 °.
3. a kind of SDA semi-dry desulphurization tower of improvement according to claim 1, which is characterized in that the flue gas delivery pipe
Road includes vertical pipe and 90 ° of bend pipes, and the vertical pipe is fixed in taper ash bucket by steel structure support, top with just
Vertical pipe is connected by the middle part connection of sealing plate, 90 ° of bend pipes with smoke inlet pipelines under hexagon.
4. a kind of SDA semi-dry desulphurization tower of improvement according to claim 3, which is characterized in that in the taper ash bucket
Portion is tiltedly installed with every grey baffle, and described to be fixed on vertical pipe every the higher one end of grey baffle, lower one end is fixed on
The middle part of taper ash bucket side wall.
5. a kind of SDA semi-dry desulphurization tower of improvement according to claim 1, which is characterized in that the desulfurizer slurry
Storage tank passes through the top that desulfurization tower shell connects rotary atomizer by pipeline.
6. a kind of SDA semi-dry desulphurization tower of improvement according to claim 1, which is characterized in that the desulfurizing agent storage
Tank is internally provided with high charge level meter and low level-sensing device.
7. a kind of SDA semi-dry desulphurization tower of improvement according to claim 1, which is characterized in that the desulfurization tower shell
The top of two sidewalls is respectively connected with smoke outlet tube, and the smoke outlet tube is located at the 1/8 of desulfurizing tower body height.
8. a kind of SDA semi-dry desulphurization tower of improvement according to claim 1, which is characterized in that the smoke inlet pipe
Road is set at the 2/3 of taper bin length.
9. a kind of SDA semi-dry desulphurization tower of improvement according to claim 1, which is characterized in that the desulfurizing agent storage
Frequency conversion rotary valve is provided on connecting line between tank and desulfurizing agent dissolving tank.
10. a kind of SDA semi-dry desulphurization tower of improvement according to claim 1, which is characterized in that the taper ash bucket
Bottom is connected with unloading valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920101590.5U CN209596920U (en) | 2019-01-22 | 2019-01-22 | A kind of SDA semi-dry desulphurization tower of improvement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920101590.5U CN209596920U (en) | 2019-01-22 | 2019-01-22 | A kind of SDA semi-dry desulphurization tower of improvement |
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| CN209596920U true CN209596920U (en) | 2019-11-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109529596A (en) * | 2019-01-22 | 2019-03-29 | 中建材环保研究院（江苏）有限公司 | A kind of SDA semi-dry desulphurization tower of improvement |
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2019
- 2019-01-22 CN CN201920101590.5U patent/CN209596920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109529596A (en) * | 2019-01-22 | 2019-03-29 | 中建材环保研究院（江苏）有限公司 | A kind of SDA semi-dry desulphurization tower of improvement |
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