CN208612172U - Ultra-clean dust-extraction unit after wet desulphurization - Google Patents
Ultra-clean dust-extraction unit after wet desulphurization Download PDFInfo
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- CN208612172U CN208612172U CN201820931649.9U CN201820931649U CN208612172U CN 208612172 U CN208612172 U CN 208612172U CN 201820931649 U CN201820931649 U CN 201820931649U CN 208612172 U CN208612172 U CN 208612172U
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Abstract
The utility model relates to ultra-clean dust-extraction units after a kind of wet desulphurization, including desulfuration spray tower, the lower part of the desulfuration spray tower is desulfurization oxidizing and crystallizing area, desulfurization oxidizing and crystallizing is provided with spray equipment above area, dedusting demister is provided with above the spray equipment, the dedusting demister includes the coarse defogging device set gradually from the bottom up, condensation deduster, level-one spiral deduster, second level spiral deduster and thin demister.The utility model is simple and reasonable for structure, desulfurization, good dedusting effect, has many advantages, such as small investment compared with existing wet electrical dust precipitator, takes up little area, is low energy consumption, reliable for operation and easy to maintenance.
Description
Technical field:
The utility model relates to ultra-clean dust-extraction units after a kind of wet desulphurization.
Background technique:
In recent years, the strict demand with country to energy-saving and emission-reduction and discharge index, there are dedustings for existing desulfuration spray tower
The problem of low efficiency, it is big cannot to remove gypsum generated in dust fine in industrial waste gas, coal ash and sweetening process etc.
Particulate matter so that chimney emits white cigarette, and can land a large amount of " gypsum rain " around chimney.Therefore existing desulfuration spray tower is
The newest smoke contamination object discharge index requirement of current Environmental Protection in China is not adapted to.Currently, being installed in addition with after generalling use desulfurizing tower
Wet electrical dust precipitator carrys out further dedusting, and wet electrical dust precipitator investment is high, and water consume and power consumption are high in operation.Therefore coal-fired electricity is improved
Flue dust and drop clean-up effect after factory or Industrial Stoves desulfurization, it is urgently to be resolved that the dust-extraction unit low with operating cost is invested in selection
The problem of.
Utility model content:
The utility model makes improvement for the above-mentioned problems of the prior art, i.e., skill to be solved in the utility model
Art problem is to provide ultra-clean dust-extraction unit after a kind of wet desulphurization, is not only simple in structure, and efficiently convenient.
To achieve the goals above, the technical solution adopted in the utility model is: ultra-clean dedusting dress after a kind of wet desulphurization
It sets, including desulfuration spray tower, the lower part of the desulfuration spray tower is desulfurization oxidizing and crystallizing area, and desulfurization oxidizing and crystallizing is set above area
It is equipped with spray equipment, dedusting demister is provided with above the spray equipment, the dedusting demister includes from lower past
On the coarse defogging device, the condensation deduster, level-one spiral deduster, second level spiral deduster and thin demister that set gradually.
Further, the level-one spiral deduster and second level spiral deduster include a ventilative pedestal, are arranged saturating
Multiple dust removing units on gas pedestal, the dust removing units include hollow structure except dirt barrel, and the bottom except dirt barrel is equipped with
Deflector is provided with multiple dedusting spirals on the deflector.
Further, the deflector is made of a plurality of flow-guiding channel multiple swirl vanes, and the maximum of flow-guiding channel is wide
Degree is less than the diameter of dedusting spiral, and dedusting spiral is placed on swirl vane.
Further, described except a vertically arranged positioning column is fixed in the middle part of dirt barrel, the swirl vane is to position
It is radial centered on column to be fixed on except between dirt barrel and positioning column, swirl vane is obliquely installed.
Further, the tilt angle of the swirl vane is 35~50 °.
Further, the ventilative pedestal includes a flase floor, the wind deflector that is located on flase floor of lid, on the wind deflector
Offer it is corresponding with multiple dust removing units and in favor of the positioning venthole that flue gas passes through from the bottom up, it is described except dirt barrel is put
It sets in positioning venthole.
Further, the upper end except dirt barrel is equipped with cover board, and the cover board is equipped with the circular channel penetrated, and circle is logical
The full-size in road is less than the diameter of dedusting spiral.
Further, the condensation deduster includes the cooling line of a snakelike shape, and the input port of the cooling line connects
It is connected to cooling system, the delivery outlet of cooling line is connected with atmosphere.
Further, upper and lower two of the coarse defogging device and thin demister are equipped with mist eliminator flushing system；Described one
The top of grade spiral deduster, second level spiral deduster and condensation deduster is equipped with deduster rinse-system.
Further, the desulfuration spray tower is equipped with smoke inlet between spray equipment and desulfurization oxidizing and crystallizing area, takes off
Sulphur spray column is equipped with the blender for stirring internal desulfurization slurry, the desulfurization spray in the tower wall in desulfurization oxidizing and crystallizing area
The oxidation air access tube for matching with blender is additionally provided in the tower wall of tower, the oxidation air access tube is starched to desulfurization
Oxidation air is passed through in liquid；The spray equipment includes 3~6 layers of spraying layer, several atomizations are laid on each spraying layer
Nozzle, the atomizer pass through desulfurization slurry circulation pipe and are connected with desulfurization oxidizing and crystallizing area, the desulfurization slurry circulation
Pipe is equipped with desulfurization slurry circulating pump.
Compared with prior art, the utility model has the effect that the utility model is simple and reasonable for structure, and desulfurization removes
Dirt effect is good, has small investment compared with existing wet electrical dust precipitator, takes up little area, low energy consumption, reliable for operation and maintenance side
Just the advantages that.
Detailed description of the invention:
Fig. 1 is the organigram of the utility model embodiment；
Fig. 2 is the vertical view organigram of level-one spiral deduster and second level spiral deduster；
Fig. 3 is the assembling structure schematic diagram of dust removing units Yu ventilative pedestal；
Fig. 4 is the vertical view organigram of dust removing units；
Fig. 5 is that deflector overlooks organigram in dust removing units；
Fig. 6 is the organigram for condensing deduster.
In figure:
1- desulfuration spray tower；2- desulfurization oxidizing and crystallizing area；3- coarse defogging device；4- condenses deduster；401- cooling line；5-
Level-one spiral deduster；6- second level spiral deduster；The thin demister of 7-；8- breathes freely pedestal；801- flase floor；802- wind deflector；
9- dust removing units；901- removes dirt barrel；902- dedusting spiral；903- swirl vane；904- positioning column；905- cover board；10- demister
Rinse-system；11- deduster rinse-system；12- smoke inlet；13- blender；14- oxidation air access tube；15- atomization spray
Mouth；16- desulfurization slurry circulation pipe；17- desulfurization slurry circulating pump.
Specific embodiment:
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, ultra-clean dust-extraction unit after a kind of wet desulphurization of the utility model, including desulfuration spray tower 1, it is described de-
The lower part of sulphur spray column 1 is desulfurization oxidizing and crystallizing area 2, and the top in desulfurization oxidizing and crystallizing area 2 is provided with spray equipment, the spray
Be provided with dedusting demister above device, the dedusting demister include the coarse defogging device 3 set gradually from the bottom up,
Condense deduster 4, level-one spiral deduster 5, second level spiral deduster 6 and thin demister 7.
As shown in Figure 2-5, in the present embodiment, the level-one spiral deduster 5 and second level spiral deduster 6 include one
Ventilative pedestal 8, the multiple dust removing units 9 being arranged on ventilative pedestal 8, the dust removing units 9 include hollow structure except dirt barrel
901, the bottom except dirt barrel 901 is equipped with deflector, is provided with multiple dedusting spirals 902 on the deflector.
In the present embodiment, the deflector constitutes a plurality of flow-guiding channel by multiple swirl vanes 903, and flow-guiding channel is most
Big width is less than the diameter of dedusting spiral 902, and dedusting spiral 902 is placed on swirl vane 903.
In the present embodiment, the middle part except dirt barrel 901 is fixed with a vertically arranged positioning column 904, the eddy flow leaf
Piece 903 is radial centered on positioning column 901 to be fixed on except between dirt barrel 901 and positioning column 904.Swirl vane 903 tilts
Setting.Preferably, the tilt angle of swirl vane is 35~50 °, and the quantity of swirl vane is 12~18；Above swirl vane
The dedusting spiral of lightweight is placed, the space filling factor of dedusting spiral is 50%~70%, and the diameter of dedusting spiral is 35mm~60mm.
In the present embodiment, the ventilative pedestal 8 includes a flase floor 801, covers the wind deflector 802 being located on flase floor 801,
It is logical that positioning that is corresponding with multiple dust removing units 9 and being passed through from the bottom up in favor of flue gas is offered on the wind deflector 802
Stomata, the shape and the shape except dirt barrel for positioning venthole are adapted, described except dirt barrel is placed in positioning venthole, guarantee cigarette
What gas can be concentrated passes through except dirt barrel.
In the present embodiment, the upper end except dirt barrel 901 is equipped with cover board 905, and the cover board 905 is equipped with the circle penetrated
Channel, the full-size of circular channel are less than the diameter of dedusting spiral.
In the present embodiment, level-one spiral deduster 5 and second level spiral deduster 6 use unique diversion Design, by
Wind deflector is set on flase floor, and each dust removing units are separately positioned in the positioning venthole to keep out the wind on cover board, realizing will
The big fluid cross-section of wide opening is divided into multiple dedusting junior units, these junior units constitute efficient spiral dust pelletizing system, each height
System makees the circular motion of rotation and revolution in respective junior unit.When flue gas is from the bottom up into pneumatic except generating in dirt barrel
Power pushes the dedusting spiral operating in each dust removing units being mounted in system, and then flue gas flow direction, ingredient change simultaneously
It reassembles, it is made irregularly to mix coexisting state with flue gas in regular flow, the dust and droplet carried under one's arms in flue gas are due to used
Property hit dedusting spiral surface and be captured and adsorb, dedusting spiral continuously regular motion, and dedusting spiral surface is pressed
The well-regulated lead curve of fluid mechanical design, when its surface, accumulation liquid film amount is reached a certain level, i.e. liquid film drop itself weight
Power is greater than drop in the tension of filler ball surface, and drop, which will fall, returns to tower bottom slurry pool, to complete dust and droplet
Efficient absorption and stripping process.
In the present embodiment, " vaporous water " in saturated flue gas is partially converted to " liquid water " by the condensation deduster, drop
Low flue gas water content.As shown in fig. 6, the condensation deduster 4 includes the cooling line 401 of a snakelike shape, the cooling line
Input port be connected with cooling system (being not drawn into figure), the delivery outlet of cooling line is connected with atmosphere.The cooling system
It can be cooling air system or cooling water system, i.e. cooling line Internal Cooling Passage smuggled goods cooling air, flue gas is by condensation deduster
Shi Fasheng condensation, generates a large amount of steam, and the steam of precipitation actively goes to capture subtle dust and tiny slurry drops.
In the present embodiment, when cooling system uses cooling air system, the cooling air system includes that blower and air are cold
But device, the output end of the blower are connected with the input terminal of aerial cooler, the output end and cooling tube of institute's aerial cooler
Road is that input port is connected.
In the present embodiment, upper and lower two of the coarse defogging device 3 and thin demister 7 are equipped with mist eliminator flushing system 10；
The top of the level-one spiral deduster 5, second level spiral deduster 6 and condensation deduster 4 is equipped with deduster rinse-system
11。
In the present embodiment, the desulfuration spray tower 1 is equipped with smoke inlet between spray equipment and desulfurization oxidizing and crystallizing area 2
12, desulfuration spray tower 1 is equipped with the blender 13 for stirring internal desulfurization slurry, institute in the tower wall in desulfurization oxidizing and crystallizing area 2
The oxidation air access tube 14 being additionally provided in the tower wall of desulfuration spray tower 1 for matching with blender 13 is stated, the oxidation is empty
Gas access tube 14 is passed through oxidation air into desulfurization slurry.
In the present embodiment, the spray equipment includes 3~6 layers of spraying layer, several mists are laid on each spraying layer
Change nozzle 15, the atomizer 15 is connected by desulfurization slurry circulation pipe 16 with desulfurization oxidizing and crystallizing area 2, the desulfurization
Serum recycle pipe 16 is equipped with desulfurization slurry circulating pump 17.
In the present embodiment, when work, the desulfurization slurry in desulfurization oxidizing and crystallizing area 2 is delivered to by desulfurization slurry circulating pump 17
Spray equipment, by atomizer 15, sprinkling desulfurization slurry, boiler smoke enter desulfurization from smoke inlet 12 to spray equipment downwards
It is reacted upward with desulfurization slurry after spray column 1, the flue gas after desulfurization moves from the bottom up.At the beginning of flue gas first passes around coarse defogging device 3
Demisting is walked, condensation deduster 4 is then passed through, " vaporous water " in saturated flue gas is partially converted into " liquid water ", reduces flue gas and contain
Water rate, and remaining flue gas continues up, and realizes dedusting by level-one spiral deduster 5 and secondary ash collector 6, finally removes
For flue gas after dirt through the further demisting of meticulous demister 7, thin demister 7 intercepts the dust and droplet in flue gas, de- to guarantee
The dust content of sulphur outlet meets performance requirement.
The above is only the preferred embodiment of the present invention, it is all done according to present utility model application the scope of the patents it is equal
Deng variation and modification, it should all belong to the covering scope of the utility model.
Claims (10)
1. ultra-clean dust-extraction unit after a kind of wet desulphurization, including desulfuration spray tower, the lower part of the desulfuration spray tower is desulfurization oxygen
Change crystal region, is provided with spray equipment above desulfurization oxidizing and crystallizing area, dedusting demisting is provided with above the spray equipment
Device, it is characterised in that: the dedusting demister includes the coarse defogging device set gradually from the bottom up, condensation deduster, one
Grade spiral deduster, second level spiral deduster and thin demister.
2. ultra-clean dust-extraction unit after wet desulphurization according to claim 1, it is characterised in that: the level-one spiral deduster
Include a ventilative pedestal with second level spiral deduster, the multiple dust removing units breathed freely on pedestal, the dust removing units are set
Dirt barrel is removed including hollow structure, the bottom except dirt barrel is equipped with deflector, is provided with multiple remove on the deflector
Dancing dervish ball.
3. ultra-clean dust-extraction unit after wet desulphurization according to claim 2, it is characterised in that: the deflector is by multiple
Swirl vane constitutes a plurality of flow-guiding channel, and the maximum width of flow-guiding channel is less than the diameter of dedusting spiral, and dedusting spiral is placed on
On swirl vane.
4. ultra-clean dust-extraction unit after wet desulphurization according to claim 3, it is characterised in that: described except the middle part of dirt barrel is solid
Surely there is a vertically arranged positioning column, the swirl vane is radial centered on positioning column to be fixed on except dirt barrel and positioning column
Between, swirl vane is obliquely installed.
5. ultra-clean dust-extraction unit after wet desulphurization according to claim 4, it is characterised in that: the inclination of the swirl vane
Angle is 35~50 °.
6. ultra-clean dust-extraction unit after wet desulphurization according to claim 2, it is characterised in that: the ventilative pedestal includes one
Flase floor, the wind deflector that is located on flase floor of lid offer on the wind deflector corresponding with multiple dust removing units and with benefit
It is described except dirt barrel is placed in positioning venthole in the positioning venthole that flue gas passes through from the bottom up.
7. ultra-clean dust-extraction unit after wet desulphurization according to claim 2, it is characterised in that: the upper end except dirt barrel is set
There is cover board, the cover board is equipped with the circular channel penetrated, and the full-size of circular channel is less than the diameter of dedusting spiral.
8. ultra-clean dust-extraction unit after wet desulphurization according to claim 1, it is characterised in that: the condensation deduster includes
The cooling line of one snakelike shape, the input port of the cooling line are connected with cooling system, the delivery outlet and atmosphere of cooling line
It is connected.
9. ultra-clean dust-extraction unit after wet desulphurization according to claim 1, it is characterised in that: the coarse defogging device and carefully remove
Upper and lower two of day with fog are equipped with mist eliminator flushing system；The level-one spiral deduster, second level spiral deduster and condensation
The top of deduster is equipped with deduster rinse-system.
10. ultra-clean dust-extraction unit after wet desulphurization according to claim 1, it is characterised in that: the desulfuration spray tower exists
Smoke inlet is equipped between spray equipment and desulfurization oxidizing and crystallizing area, desulfuration spray tower is set in the tower wall in desulfurization oxidizing and crystallizing area
There is the blender for stirring internal desulfurization slurry, is additionally provided in the tower wall of the desulfuration spray tower for being matched with blender
Oxidation air access tube, the oxidation air access tube is passed through oxidation air into desulfurization slurry；The spray equipment includes 3
~6 layers of spraying layer, several atomizers are laid on each spraying layer, and the atomizer passes through desulfurization slurry and recycles
Pipe is connected with desulfurization oxidizing and crystallizing area, and the desulfurization slurry circulation pipe is equipped with desulfurization slurry circulating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820931649.9U CN208612172U (en) | 2018-06-15 | 2018-06-15 | Ultra-clean dust-extraction unit after wet desulphurization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820931649.9U CN208612172U (en) | 2018-06-15 | 2018-06-15 | Ultra-clean dust-extraction unit after wet desulphurization |
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| CN208612172U true CN208612172U (en) | 2019-03-19 |
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| CN201820931649.9U Active CN208612172U (en) | 2018-06-15 | 2018-06-15 | Ultra-clean dust-extraction unit after wet desulphurization |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110237666A (en) * | 2019-06-13 | 2019-09-17 | 安徽恒晟重工科技有限公司 | A kind of Multistage desulfuration equipment |
| CN112495108A (en) * | 2020-11-30 | 2021-03-16 | 江苏新中金环保科技股份有限公司 | A dust removal defogging device for SOx/NOx control system |
| CN117018788A (en) * | 2023-09-12 | 2023-11-10 | 山东三得利节能环保工程有限公司 | Novel high-efficient wet dedusting tower |
-
2018
- 2018-06-15 CN CN201820931649.9U patent/CN208612172U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110237666A (en) * | 2019-06-13 | 2019-09-17 | 安徽恒晟重工科技有限公司 | A kind of Multistage desulfuration equipment |
| CN112495108A (en) * | 2020-11-30 | 2021-03-16 | 江苏新中金环保科技股份有限公司 | A dust removal defogging device for SOx/NOx control system |
| CN117018788A (en) * | 2023-09-12 | 2023-11-10 | 山东三得利节能环保工程有限公司 | Novel high-efficient wet dedusting tower |
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