CN206229159U - A kind of flue gas dehumidifying of wet desulphurization takes off white device - Google Patents
A kind of flue gas dehumidifying of wet desulphurization takes off white device Download PDFInfo
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- CN206229159U CN206229159U CN201621289899.4U CN201621289899U CN206229159U CN 206229159 U CN206229159 U CN 206229159U CN 201621289899 U CN201621289899 U CN 201621289899U CN 206229159 U CN206229159 U CN 206229159U
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Abstract
A kind of flue gas dehumidifying of wet desulphurization takes off white device, it is provided with a fume treatment storehouse for being located at chimney top, be tightly connected for fume treatment storehouse and chimney by one transition buffer storehouse, top in fume treatment storehouse is provided with gas mix and convert area, bottom is provided with multiple spaced heat transfer dividing plates and forms alternatively distributed exhaust gases passes and air duct, one end of exhaust gases passes connects with transition buffer storehouse, the other end connects with gas mix and convert area, the air intake that air duct is set with fume treatment storehouse side connects, and connected with gas mix and convert area, gas mix and convert area upper end is provided with gas discharge outlet.Flue gas after heat exchange is realized in gas mix and convert area uniformly mixing with air, both dispersed beneficial to moisture, in turn ensure that gas each several part heat balance after mixing, stabilization lifting diffusion after being discharged beneficial to mixed gas.The present apparatus does not set heater additionally, and energy consumption is relatively low, and white cigarette phenomenon is emitted in removal chimney（Take off white）While, pollutant emission is reduced, beneficial to environmental protection.
Description
Technical field
The utility model is related to a kind of equipment for wet-method desulfurized fume treatment, specifically a kind of wet desulphurization
Flue gas dehumidifying takes off white device.
Background technology
Minimum discharge refers to the burning heaters such as the industry such as electric power and petrochemical industry boiler, heating furnace, kiln in flue gas end
In governance process, using the efficient cooperation-removal integrated technology of multiple pollutant, its Air Pollutant Emission concentration is set to meet accordingly
Standard.And denitration sulfur removal technology is removal reduction nitrogen oxides in effluent（NOx）, SO2 contents, reach flue gas minimum discharge mark
Accurate common technology, is largely widely used.
The denitration process method of main flow has two kinds：SCR and SNCR, both approaches are required for using substantial amounts of reducing agent,
It generally is ammonia（NH3）.To ensure denitration effect, General N H3 can be suitably excessive, and this will cause that NH3 enters with flue gas
Follow-up desulfurization link, causes the escaping of ammonia phenomenon.Wet desulfurizing process technology is the sulfur method for most commonly using, and it is to use
The alkalescence such as lime, sodium carbonate are washed and starched liquid and flue gas are washed, so as to reach the purpose of SO2 in removal flue gas.After wet desulphurization
Flue gas contain substantial amounts of moisture, substantial amounts of sulfate can be carried in these moisture, mainly（NH4）2SO4 etc..After desulfurization
During flue gas is directly discharged to air by chimney, with the reduction of temperature, wet flue gas saturation degree constantly increases, in flue gas
Water vapour condensation landing, will result in " emitting white cigarette ", the problem of " gypsum rain ".Traditional solution is added again using flue gas
Hot device（GGH）Heated to flue gas after desulfurization, raise its temperature, so that its degree of unsaturation is increased, increase chimney smoke lift
Rise.Although such method contributes to solve the problems, such as " emitting white cigarette ", " gypsum rain ", but can grow new problem, flue gas simultaneously
Reheater in use easily by sulphate crystal block, it is perishable, simultaneously because the crystalline solid such as ammonium sulfate particle is very
It is tiny, it is PM2.5 with aerosol can be formed in fume emission to air, one of arch-criminal of haze.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, there is provided a kind of wet desulphurization
Flue gas dehumidifying takes off white device, and removal chimney emits white cigarette phenomenon, reduces the discharge of the aerosol particles such as sulfate, ammonium salt.
The utility model is that the technical scheme that solution above-mentioned technical problem is used is：A kind of flue gas of wet desulphurization is removed
It is wet to take off white device, including for the chimney of discharging wet-method desulfurized fume, it is additionally provided with a flue gas for being located at the chimney top
Treatment storehouse, a upper end Interface Shape is close by fume treatment storehouse and chimney with the transition buffer storehouse that fume treatment orlop portion is adapted
Envelope connection, the top in the fume treatment storehouse is provided with gas mix and convert area, and bottom is provided with multiple spaced heat transfer dividing plates, many
The heat transfer dividing plate at individual interval forms alternatively distributed exhaust gases passes and air duct, and one end of exhaust gases passes passes through fume treatment storehouse
The smoke inlet of lower end connects with transition buffer storehouse, and the other end connects with gas mix and convert area, air duct and fume treatment storehouse side
The air intake that face is set connects, and is connected with gas mix and convert area, and gas mix and convert area upper end is provided with gas discharge outlet.
Air intake is equipped with two sides in fume treatment storehouse, or is only provided with air intake a side.
It is provided with the air intake for the blower fan that air is blown into air duct.
The gas buffer flow-dividing bin communicated with air intake is provided with the side in fume treatment storehouse, on gas buffer flow-dividing bin
It is provided with the blower fan communicated with the external world.
The air duct is directly connected by the air outlet slit of its upper end with gas mix and convert area.
The flow guide bar for guiding gas flow is provided with the air duct.
Described air duct is connected to a vertical air and converges passage by the air outlet slit of its side, and by this
Air converges passage and gas mix and convert area indirect communication.
The spaced heat transfer dividing plate has two groups, and alternatively distributed exhaust gases passes are separated out between two groups of heat transfer dividing plates are equal
And air duct, air converges passage and is arranged between two groups of heat transfer dividing plates, and is connected with air duct.
The gas mix and convert area is formed around to centroclinal to oppress the training wall that upward air-flow is assembled towards center.
The beneficial effects of the utility model are：Fume treatment storehouse is on the one hand set to be sealed with chimney by setting transition buffer storehouse
On the other hand connection is that flue gas is finely dispersed enters each exhaust gases passes, fume treatment storehouse is respectively conducted heat the biography of partition position
Heat balance, it is ensured that the stabilization of heat exchange efficiency.Gas mix and convert area is set on the top in fume treatment storehouse, makes the flue gas after heat exchange
Realize in the mix and convert area uniformly mixing with air, it is both dispersed beneficial to moisture, prevent mixed gas from locally being produced after discharging
White cigarette, in turn ensure that gas each several part heat balance after mixing, stabilization lifting diffusion after being discharged beneficial to mixed gas.The present apparatus is not
Extra to set heater, energy consumption is relatively low, while moisture in removing flue gas, pollutes sulfate, ammonium salt in flue gas etc.
Composition granule is separated out with condensed water.White cigarette phenomenon is emitted in removal chimney（Take off white）While, pollutant emission is reduced, beneficial to ring
Protect in border.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation in the utility model first embodiment fume treatment storehouse.
Fig. 3 is the side schematic view of heat transfer dividing plate in first embodiment shown in Fig. 2.
Fig. 4 is a kind of implementation method schematic diagram of air duct between dividing plate of conducting heat in first embodiment.
Fig. 5 is the structural representation in the utility model second embodiment fume treatment storehouse.
Fig. 6 is one group of side schematic view of heat transfer dividing plate in second embodiment.
Marked in figure：1st, chimney, 2, fume treatment storehouse, 3, transition buffer storehouse, 4, gas mix and convert area, 5, heat transfer dividing plate, 6,
Gas discharge outlet, 7, exhaust gases passes, 8, air duct, 9, blower fan, 10, gas buffer flow-dividing bin, 11, flow guide bar, 12, air converges
Poly- passage.
Specific embodiment
Implementation method of the present utility model is illustrated below in conjunction with drawings and Examples.
As shown in figure 1, flue gas dehumidifying of the present utility model takes off the treatment that white device is mainly used in wet-method desulfurized fume, its
Fume treatment storehouse 2 including being arranged on the top of chimney 1 of discharge flue gas, fume treatment storehouse 2 by upper end Interface Shape with
The adaptable transition buffer storehouse 3 in its bottom is tightly connected with chimney 1.Transition buffer storehouse 3 as intermediate transit part, to realize shape
The connection in different fume treatment storehouses 2 and chimney 1.Meanwhile, transition buffer storehouse 3 also acts as the effect of buffering and dispersion flue gas, profit
Processed with the dispersed rear fume treatment storehouse 2 that enters of flue gas.Top in the fume treatment storehouse 2 is provided with gas mix and convert area
4。
In first embodiment of the present utility model, as shown in Figures 2 and 3, the bottom in fume treatment storehouse 2 is provided with one group of multiple
Spaced heat transfer dividing plate 5, the heat transfer dividing plate at multiple interval forms alternatively distributed exhaust gases passes 7 and air duct 8.Flue gas
One end of passage 7 is connected by the smoke inlet of the lower end of fume treatment storehouse 2 with transition buffer storehouse 3, the other end and gas mix and convert area 4
Connect.The entrance of air duct 8 connects in side, the air intake set with the side of fume treatment storehouse 2, the sky of air duct 8
Gas is exported up, is directly connected with gas mix and convert area 4.The upper end of gas mix and convert area 4 is provided with gas discharge outlet 6.
In second embodiment of the present utility model, as it can be seen in figures 5 and 6, the bottom in fume treatment storehouse 2 is provided with two groups of heat transfers
Dividing plate 5, alternatively distributed exhaust gases passes 7 and air duct 8 are separated out between two groups of heat transfer dividing plates 5 are equal.Flue gas in this embodiment leads to
Road 7 enter under being equally on the mode that goes out.The entrance and exit of air duct 8 is then located at both sides respectively.Two groups of heat transfer dividing plates it
Between be provided with a vertical air and converge passage 12.The air that the entrance of air duct 8 is set with the side of fume treatment storehouse 2 enters
Mouth connects, and the air outlet slit of its opposite side is connected to air and converges passage 12, and converges passage 12 and gas mix and convert through the air
The indirect communication of area 4.
In the first embodiment, the parts such as the flow guide bar of continuous bending can be set in air duct 8, to guide gas stream
To, gas is flowed into from side, flow out above.Can also be as shown in figure 4, flow guide bar 11 be arranged into discontinuous.Air from
After side flows into, flowed up by the gap between adjacent guide bar 11, finally flowed out from the outlet of top.
In two embodiments as shown in figures 2 and 5, air intake can be set the two of fume treatment storehouse 2 sides,
Or only it is provided with air intake a side.It is provided with the air intake for being blown into air in air duct 8
Blower fan 9.In order that the air-flow into each air intake is uniform and stable, can be set and air in the side in fume treatment storehouse 2
The gas buffer flow-dividing bin 10 that entrance is communicated, gas buffer flow-dividing bin 10 is provided with the blower fan 9 communicated with the external world.Air is by blower fan
After 9 introduce, being introduced into gas buffer flow-dividing bin 10 makes it uniformly spread apart, and air duct 8, profit are entered after each position air pressure equalisation
In the stabilization for keeping follow-up heat exchange efficiency.
In the utility model, the flue gas of chimney discharge enters exhaust gases passes, flue gas after stably dispersing in transition buffer storehouse 3
Flow from top to bottom, air level flow direction, from left and right two ends to intermediate flow, arrow institute in flue gas and air-flow direction such as figure
Show.Heat smoke and cold air carry out heat exchange by the dividing plate that exchanges heat, and damp and hot flue-gas temperature is reduced, and it is cold that saturation degree constantly increases precipitation
Solidifying water, condensed water flows downward out heat exchanger along exhaust gases passes, can set and lead the receipts wetting system collection treatment such as cistern tube.Contain in condensed water
The materials such as substantial amounts of sulfate, ammonium salt, condensing hot air furnace can reach the purpose of water saving, while can realize that flue gas emission reduction is made again
With.Air is turned in the air duct that heat exchange baffle interval goes out through flow guide bar etc., or from top after remittance air convergence passage
Outflow.Hot-air and condensed cold flue gas after heating mix in gas mix and convert area.The surrounding in the gas mix and convert area sets
It is oriented centroclinal oppressing the training wall that upward air-flow is assembled towards center, make gas mix and convert area inner space from the bottom to top by
Contracting is tapered, contention effect is formed to the air-flow for rising by the training wall in mix and convert area, force air-flow to be assembled to center, in the process
Discharged after making air and the uniform mixing of flue gas realization, on the one hand the appropriate lifting cold flue gas temperature of energy, on the other hand can also reduce cold
Steam partial pressure in flue gas, so as to increase cold flue gas degree of unsaturation, increases chimney smoke lifting, is allowed to be difficult to form chimney
The phenomenon of " emitting white cigarette ".Heat exchange dividing plate and fume treatment storehouse etc. is made using the material of acid resistance corrosion, with antiacid low temperature dew
The characteristic of spot corrosion.This takes off white device can use modularization assembling, and simple structure is not afraid of corrosion and is blocked, long service life.
Claims (9)
1. the flue gas dehumidifying of a kind of wet desulphurization takes off white device, including for the chimney of discharging wet-method desulfurized fume（1）, its
It is characterised by：It is additionally provided with one and is located at the chimney（1）The fume treatment storehouse on top（2）, a upper end Interface Shape and flue gas
Treatment storehouse（2）The adaptable transition buffer storehouse in bottom（3）By fume treatment storehouse（2）With chimney（1）It is tightly connected, at the flue gas
Reason storehouse（2）Interior top is provided with gas mix and convert area（4）, bottom is provided with multiple spaced heat transfer dividing plates（5）, multiple interval
Heat transfer dividing plate（5）Form alternatively distributed exhaust gases passes（7）And air duct（8）, exhaust gases passes（7）One end by flue gas
Reason storehouse（2）The smoke inlet of lower end and transition buffer storehouse（3）Connect, the other end and gas mix and convert area（4）Connect, air duct
（8）With fume treatment storehouse（2）Side set air intake connect, and with gas mix and convert area（4）Connection, gas mix and convert area（4）
Upper end is provided with gas discharge outlet（6）.
2. the flue gas dehumidifying of a kind of wet desulphurization as claimed in claim 1 takes off white device, it is characterised in that：In fume treatment
Storehouse（2）Two sides be equipped with air intake, or be only provided with air intake a side.
3. the flue gas dehumidifying of a kind of wet desulphurization as claimed in claim 1 or 2 takes off white device, it is characterised in that：Described
It is provided with for air duct at air intake（8）Inside it is blown into the blower fan of air（9）.
4. the flue gas dehumidifying of a kind of wet desulphurization as claimed in claim 1 or 2 takes off white device, it is characterised in that：In flue gas
Treatment storehouse（2）Side be provided with the gas buffer flow-dividing bin communicated with air intake（10）, gas buffer flow-dividing bin（10）On set
There is the blower fan communicated with the external world（9）.
5. the flue gas dehumidifying of a kind of wet desulphurization as claimed in claim 1 or 2 takes off white device, it is characterised in that：The sky
Gas passage（8）Air outlet slit and gas mix and convert area by its upper end（4）Directly connect.
6. the flue gas dehumidifying of a kind of wet desulphurization as claimed in claim 5 takes off white device, it is characterised in that：In the air
Passage（8）Inside it is provided with the flow guide bar for guiding gas flow（11）.
7. the flue gas dehumidifying of a kind of wet desulphurization as claimed in claim 1 or 2 takes off white device, it is characterised in that：Described
Air duct（8）One vertical air is connected to by the air outlet slit of its side and converges passage（12）, and converged by the air
Poly- passage（12）With gas mix and convert area（4）Indirect communication.
8. the flue gas dehumidifying of a kind of wet desulphurization as claimed in claim 7 takes off white device, it is characterised in that：The interval sets
The heat transfer dividing plate put（5）With two groups, two groups of heat transfer dividing plates（5）Alternatively distributed exhaust gases passes and air duct are separated out between,
Air converges passage（12）It is arranged between two groups of heat transfer dividing plates, and is connected with air duct.
9. the flue gas dehumidifying of a kind of wet desulphurization as claimed in claim 1 takes off white device, it is characterised in that：The gas is mixed
Convert area（4）Be formed around to centroclinal to oppress the training wall that upward air-flow is assembled towards center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621289899.4U CN206229159U (en) | 2016-11-29 | 2016-11-29 | A kind of flue gas dehumidifying of wet desulphurization takes off white device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621289899.4U CN206229159U (en) | 2016-11-29 | 2016-11-29 | A kind of flue gas dehumidifying of wet desulphurization takes off white device |
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| Publication Number | Publication Date |
|---|---|
| CN206229159U true CN206229159U (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621289899.4U Active CN206229159U (en) | 2016-11-29 | 2016-11-29 | A kind of flue gas dehumidifying of wet desulphurization takes off white device |
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| CN (1) | CN206229159U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390695A (en) * | 2016-11-29 | 2017-02-15 | 洛阳瑞昌石油化工设备有限公司 | Flue gas dehumidification and white removal apparatus for wet desulfurization |
| CN110052053A (en) * | 2019-03-22 | 2019-07-26 | 川屹节能科技（上海）有限公司 | Smog dedusting disappears white device |
-
2016
- 2016-11-29 CN CN201621289899.4U patent/CN206229159U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390695A (en) * | 2016-11-29 | 2017-02-15 | 洛阳瑞昌石油化工设备有限公司 | Flue gas dehumidification and white removal apparatus for wet desulfurization |
| CN110052053A (en) * | 2019-03-22 | 2019-07-26 | 川屹节能科技（上海）有限公司 | Smog dedusting disappears white device |
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Address after: 471000 No. 8, Yan Guang road, high and new technology development zone, Luoyang, Henan Patentee after: Luoyang Ruichang Environmental Engineering Co., Ltd. Address before: 471000 No. 8, Yan Guang road, high and new technology development zone, Luoyang, Henan Patentee before: Luoyang Ruichang Petrochemical Equipment Co., Ltd. |