CN205598955U - Floated turbulence mixing flue gas desulphurization unit - Google Patents
Floated turbulence mixing flue gas desulphurization unit Download PDFInfo
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- CN205598955U CN205598955U CN201620403005.3U CN201620403005U CN205598955U CN 205598955 U CN205598955 U CN 205598955U CN 201620403005 U CN201620403005 U CN 201620403005U CN 205598955 U CN205598955 U CN 205598955U
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Abstract
The utility model discloses a floated turbulence mixing flue gas desulphurization unit mixes including entry flue, lower part absorption tower body, the bed of breathing freely, suspension turbulence in proper order and reacts tower body, upper portion absorption tower body and exhaust pass the suspension turbulence mixes reaction tower body one side and is equipped with absorbent access road and valve, ventilative bed bottom is equipped with desulfurization result exit channel and valve. The utility model discloses utilize ventilative bed will spout the absorbent suspension absorption tower in the absorption tower, the flue gas forms a stable suspension fluidization reaction bed through ventilative bed, and the fluidization reaction bed does not receive the change of system's exhaust gas volumn and influences, the absorbent spout into the volume according to the adjustment of desulfurization efficiency, realize high -efficient desulfurization and system long -term stability and move.
Description
Technical field
This utility model relates to a kind of flue gas desulfurization device, is specifically related to a kind of floated turbulence mixed flue gas desulfurizer.
Background technology
In coal-fired furnace kiln flue gas desulfurization, with slaked lime as absorbent, roots blower is utilized to spray into absorption tower, flue gas enters absorption tower from gas approach, is accelerated by the Venturi tube of bottom, absorption tower, and gas-particle two-phase is fully contacted, flue gas is during rising, constantly form cotton-shaped material to return downwards, and cotton-shaped material constantly disintegrates again by gas lift under the drive of high velocity smoke, forms recirculating fluidized bed state.Flue gas is sufficiently mixed with hydrated lime particle in recirculating fluidized bed, SO2、SO3And other harmful gass react with slaked lime, generate CaSO3、1/2H2O、CaSO4、1/2H2O and CaCO3Etc. main desulfurization product, desulfurization product is carried away from top, absorption tower by flue gas, and removing dust device separates, flue gas after desulfurizing and purifying enters air, the solid lime-ash part separated is sent absorption tower back to and is recycled, and arranges outside unnecessary utilization of ash and slag storehouse pump, and the dust stratification in flue is periodically discharged from the bottom of tower.But there is techniques below defect in existing this recirculating fluidized bed: the vulnerability of recirculating fluidized bed, i.e. collapse bed；It is accomplished by adjusting the straying quatity of absorbent to seek new balance when exhaust gas volumn change in system, this balance generally requires debugging many times, test realizes, and desulfuration efficiency also decreases when absorbent straying quatity reduces, it is unfavorable for the operation steady in a long-term of system.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of floated turbulence mixed flue gas desulfurizer and sulfur method thereof, Bed with ventilation is utilized to be suspended in absorption tower by the absorbent spraying in absorption tower, flue gas forms stable suspension fluidization reaction bed by Bed with ventilation, fluidized reaction bed is not affected by the change of system exhaust gas volumn, absorbent straying quatity adjusts according to desulfuration efficiency, it is achieved high-efficiency desulfurization and system are run steadily in the long term.
This utility model solves technical problem and be the technical scheme is that a kind of floated turbulence mixed flue gas desulfurizer, include gas approach, lower absorbent tower body, Bed with ventilation, suspension turbulence hybrid reaction tower body, top absorption tower body and exhaust pass successively, it is provided with absorbent access road and valve in described suspension turbulence hybrid reaction tower body side, bottom described Bed with ventilation, is provided with desulfurization product exit passageway and valve.
As further improving, described gas approach bottom is provided with ash hole passage and valve.
A kind of above-mentioned floated turbulence mixed flue gas desulfurizer is for the method for flue gas desulfurization, described flue gas is after gas approach enters, absorbent tangentially enters from the absorbent access road of suspension turbulence hybrid reaction tower body, now flue gas is risen by Bed with ventilation, and with rotary-cut direction enter absorbent fierceness cross swords, form turbulence suspension admixture, flue gas is in uphill process, a solid particulate matter part is carried over from exhaust pass with flue gas, another part is back in Bed with ventilation again because of deadweight, further increase the response time of bed granule density and extension of absorbent, SO2、SO3And other harmful gass fully react with absorbent, generate CaSO3、1/2H2O、CaSO4、1/2H2O and CaCO3Etc. main desulfurization product, the described desulfurization product part desulfurization product exit passageway from Bed with ventilation bottom is discharged, another part carries away from exhaust pass with flue gas, after removing dust device separates, flue gas after desulfurizing and purifying enters air, the solid lime-ash separated converges with the lime-ash of the desulfurization product exit passageway discharge of Bed with ventilation bottom, and part sends recycling back to from absorbent access road, and remaining lime-ash is periodically discharged from ash hole passage.Wherein said absorbent is slaked lime.
The beneficial effects of the utility model are: utilize Bed with ventilation to be suspended in absorption tower by the absorbent spraying in absorption tower, flue gas forms stable suspension fluidization reaction bed by Bed with ventilation, fluidized reaction bed is not affected by the change of system exhaust gas volumn, absorbent straying quatity adjusts according to desulfuration efficiency, it is achieved high-efficiency desulfurization and system are run steadily in the long term.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment.
Fig. 2 is the A direction view in this utility model embodiment Fig. 1.
Below in conjunction with the accompanying drawings this utility model is described further.
Detailed description of the invention
As shown in accompanying drawing 1, Fig. 2, a kind of floated turbulence mixed flue gas desulfurizer, include gas approach 1, lower absorbent tower body 6, Bed with ventilation 7, suspension turbulence hybrid reaction tower body 8, top absorption tower body 9 and exhaust pass 10 successively, it is provided with absorbent access road 11 and valve 12 in described suspension turbulence hybrid reaction tower body 8 side, being provided with desulfurization product exit passageway 4 and valve 5 bottom described Bed with ventilation 7, described gas approach 1 bottom is provided with ash hole passage 2 and valve 3.
Claims (2)
1. a floated turbulence mixed flue gas desulfurizer, it is characterized in that: include gas approach (1), lower absorbent tower body (6), Bed with ventilation (7), suspension turbulence hybrid reaction tower body (8), top absorption tower body (9) and exhaust pass (10) successively, be provided with absorbent access road (11) and valve (12) in described suspension turbulence hybrid reaction tower body (8) side, described Bed with ventilation (7) bottom is provided with desulfurization product exit passageway (4) and valve (5).
Floated turbulence mixed flue gas desulfurizer the most as claimed in claim 1, it is characterised in that: described gas approach (1) bottom is provided with ash hole passage (2) and valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620403005.3U CN205598955U (en) | 2016-05-06 | 2016-05-06 | Floated turbulence mixing flue gas desulphurization unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620403005.3U CN205598955U (en) | 2016-05-06 | 2016-05-06 | Floated turbulence mixing flue gas desulphurization unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205598955U true CN205598955U (en) | 2016-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620403005.3U Active CN205598955U (en) | 2016-05-06 | 2016-05-06 | Floated turbulence mixing flue gas desulphurization unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205598955U (en) |
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2016
- 2016-05-06 CN CN201620403005.3U patent/CN205598955U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |