CN110026036A - Flue gas aerosol removing means - Google Patents
Flue gas aerosol removing means Download PDFInfo
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- CN110026036A CN110026036A CN201910435360.7A CN201910435360A CN110026036A CN 110026036 A CN110026036 A CN 110026036A CN 201910435360 A CN201910435360 A CN 201910435360A CN 110026036 A CN110026036 A CN 110026036A
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- aerosol
- flue gas
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- washing
- gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/14—Packed scrubbers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1406—Multiple stage absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1425—Regeneration of liquid absorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/04—Regenerating the washing fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/10—Means for removing the washing fluid dispersed in the gas or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The present invention provides a kind of flue gas aerosol removing means.The device includes humidification unit and aerosol removing tower, and humidification unit has the import of desulfurizing tower neat stress；Aerosol removing tower successively includes the first aerosol washing section, the second aerosol washing section and demister from the bottom to top, and the first aerosol washing pars infrasegmentalis is provided with humidification gas inlet, is connected with the outlet of humidification unit.Humidification unit is first humidified to desulfurization neat stress, flue gas can be made to reach hypersaturated state.By after supersaturation, a small amount of dust, serous granule diameter in flue gas will increase flue gas, and the particle after increasing diameter is easy to be dissolved and absorbed by loop solution.Then, successively humidification flue gas is washed twice using aerosol removing tower, the aerosol in flue gas is dissolved into aqueous solution in gas-liquid making contact and is removed.Using the aerosol in above-mentioned apparatus removing desulfurization fume, integrated artistic is succinct, invests small, short time limit, and can be realized aerosol minimum discharge.
Description
Technical field
The present invention relates to flue gases purification fields, in particular to a kind of flue gas aerosol removing means.
Background technique
With the increasingly raising of national environmental standard, active boiler flue gas desulfurization device Gas phase Smoke is after having carried out desulphurization denitration
Transformation, sulfur removal technology can be divided into dry method, semidry method and wet processing substantially, and most factories have sampled wet desulfurizing process, greatly
Type power plant mainly uses limestone-gypsum method, and medium small boiler more uses ammonia desulfurizing process, due to earlier part ammonia
The defect of method desulfurization technology itself, flue gas after desulfurization aerosol discharge concentration is high, causes new environmental pollution.
Using ammonia desulfurizing process, flue gas is by multistage slurries spray-absorption, through smoke stack emission to atmosphere after being purified.
Since the control of the indexs such as sulfur removal technology spray-absorption slurries pH, concentration of slurry, sprinkle density, degree of oxidation is fluctuated, do not remove
Clean SO2With the free NH of escape3The minimum aerosol of granularity can be formed in flue gas；Flue gas passes through spraying layer, spray simultaneously
Superfine micro- slurries droplet that mouth is atomized out is in company with being less easily entrained by, and the particulate matter diameter of this part aerosol form is general in flue gas
Less than 0.1 micron, the conventional demister that cannot be placed in tower top is removed, and is discharged into atmosphere.
Conventional ammonia desulfurizing process can have a demister in spray-absorption layer upper design, but can only to remove 15 micro- for demister
Meter or more bulky grain, aerosol can not remove；Some advanced ammonia desulfurizing process pass through control top layer's absorber portion spray slurry
The pH of liquid is acidity, to prevent the escaping of ammonia, reduces the generation of aerosol, but limited efficacy, and can not prevent to carry secretly in gas phase
Subtle serous granule；There is sulfur removal technology demister lower part in tower to increase ultrasonic wave aggregation and increase diameter section, makes part fine particle
Diameter increases and is removed by demister, but efficiency generally only has 30%, and it is dense in discharge flue gas that aerosol cannot be effectively reduced
Degree.
Electrical dust collector device is set after separately having technique to take desulfurizing tower, it is higher to aerosol removal efficiency, but to reach super
Net discharge, electrical dust collector device is in large scale, investment cost is high, and power consumption is huge, and maintenance is complicated.
Summary of the invention
The main purpose of the present invention is to provide a kind of flue gas aerosol removing means, after solving desulfurization in the prior art
Flue gas aerosol removal rate is low or problem that complex procedures, cost are big.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of flue gas aerosol removing means,
Include: humidification unit, there is the import of desulfurizing tower neat stress；Aerosol removing tower successively includes the first aerosol water from the bottom to top
Section, the second aerosol washing section and demister are washed, the first aerosol washing pars infrasegmentalis is provided with humidification gas inlet, with humidification
The outlet of unit is connected.
Further, the first aerosol washing section is that void tower is distributed washing section or packing layer washing section；Second aerosol water
Washing section is packing layer washing section.
Further, aerosol removing tower further includes the circulation liquid bath below the first aerosol washing section.
Further, when the first aerosol washing section is packing layer washing section, aerosol removing tower further includes gas point
Cloth device, gas distributor setting is between the first aerosol washing section and circulation liquid bath, and gas distributor has humidification flue gas
Import.
Further, the first aerosol washing section includes the first washing water distributor, and the first washing water distributor setting exists
At the top of first aerosol washing section；Second aerosol washing section includes the second washing water distributor, and the second washing water distributor is set
It sets at the top of the second aerosol washing section.
It further, further include being arranged in the first washing water when the first aerosol washing section is packing layer washing section
The first packing layer below distributor and the first support portion for being used to support the first packing layer；Second aerosol washing section further includes
The second packing layer washed below water distributor positioned at second and the second support portion for being used to support the second packing layer.
Further, the first aerosol washing section further includes that the first washing below the first support portion rises the liquid collecting of gas formula
Slot, the second aerosol washing section further include that the second washing below the second support portion rises gas formula collecting tank.
Further, the first washing water distributor is provided with the first washing water inlet, and circulation liquid bath is provided with recirculated water and goes out
Mouthful, circulating water outlet is connected with the first washing water inlet by first circulation pipeline, and is provided with first on first circulation pipeline
Circulating pump；Second aerosol washing section is provided with the second washing water inlet, and the second washing water inlet and the second washing rise gas formula collection
The outlet of liquid bath is connected by second circulation pipeline, and second circulation pump is additionally provided on second circulation pipeline.
Further, aerosol removing tower further include: bleeder is connected with first circulation pipeline, and on bleeder
It is provided with positive displacement pump；Circulation bypass, import are connected with second circulation pipeline, and outlet is connected with first circulation pipeline, and follows
Third circulating pump is additionally provided in ring bypass.
Further, the filler used in the first packing layer and the second packing layer is Ball-type packing, Intalox metal tower packing, ladder
One of ring filler, grid packing are a variety of, and the first packing layer and the second packing layer are respectively bulk type packing layer or regular
Type packing layer.
Further, humidification unit includes: inlet air stack, has the import of desulfurizing tower neat stress, and the outlet of inlet air stack
It is connected with humidification gas inlet；Be humidified spray head, and the inside of inlet air stack is arranged in.
Further, demister is ridge type demister, mesh mist eliminator or spiral-flow type demister.
Further, aerosol removing tower has top vent, and aerosol removing tower further includes and top vent phase
Exhaust uptake even, demister is vertically set on the top of the second aerosol washing section, alternatively, demister is horizontally set on exhaust
In flue.
Flue gas aerosol removing means provided by the invention includes humidification unit and aerosol removing tower, aerosol removing tower
It include successively from the bottom to top the first aerosol washing section, the second aerosol washing section and demister, under the first aerosol washing section
Portion is provided with humidification gas inlet, is connected with the outlet of humidification unit.Humidification unit is first humidified to desulfurization neat stress, energy
Enough flue gas is made to reach hypersaturated state.By after supersaturation, a small amount of dust, serous granule diameter in flue gas will increase flue gas, increase
Particle after diameter is easy to be dissolved and absorbed by loop solution.Then, two successively are carried out to humidification flue gas using aerosol removing tower
Secondary washing, the aerosol in flue gas is dissolved in gas-liquid making contact to be absorbed into aqueous solution and is removed, then, using removing
The further demisting of day with fog, discharge
Using the aerosol in above-mentioned apparatus removing desulfurization fume, integrated artistic is succinct, and existing sulfur removal technology is facilitated to be transformed,
And small, short time limit can be invested in conjunction with existing sulfur removal technology, realize aerosol minimum discharge.Meanwhile the device has very by force
Varying duty adaptability, to aerosol remove while be also stripped of in flue gas dust, further reduced flue gas SO2It is dense
Degree.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows flue gas aerosol removing means structural schematic diagram according to an embodiment of the present invention；
Fig. 2 shows the flue gas aerosol removing means structural schematic diagrams of another embodiment according to the present invention；And
Fig. 3 shows the flue gas aerosol removing means structural schematic diagram of another embodiment according to the present invention.
Wherein, the above drawings include the following reference numerals:
10, humidification unit；11, inlet air stack；12, be humidified spray head；20, aerosol removing tower；21, the first aerosol is washed
Section；211, the first washing water distributor；212, the first packing layer；213, the first support portion；214, the first washing rises the liquid collecting of gas formula
Slot；22, the second aerosol washing section；221, the second washing water distributor；222, the second packing layer；223, the second support portion；
224, the second washing rises gas formula collecting tank；23, demister；24, gas distributor；25, liquid bath is recycled；26, exhaust uptake；201,
First circulation pump；202, second circulation pumps；203, positive displacement pump；204, third circulating pump；
1, desulfurizing and purifying gas exhaust uptake；2, chimney；101, first partition；3, second partition；205, third partition.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As described in background technology part, the flue gas aerosol removal rate at present after desulfurization is low or complex procedures, consumption
Money is big.
In order to solve this problem, the present invention provides a kind of flue gas aerosol removing means, as shown in Figures 1 to 3, the dress
Setting includes: humidification unit 10, has the import of desulfurizing tower neat stress；Aerosol removing tower 20 successively includes the first gas from the bottom to top
Colloidal sol washing section 21, the second aerosol washing section 22 and demister 23,21 lower part of the first aerosol washing section are provided with humidification cigarette
Gas import is connected with the outlet of humidification unit 10.
Humidification unit 10 is first humidified to desulfurization neat stress A, flue gas can be made to reach hypersaturated state.Flue gas is satiated
With it is rear, a small amount of dust, serous granule diameter in flue gas will increase, increase diameter after particle be easy by loop solution dissolve inhale
It receives.Then, successively humidification flue gas is washed twice using aerosol removing tower 20, the aerosol in flue gas is collided in gas-liquid
It is dissolved in contact and is absorbed into aqueous solution and is removed, then, utilize the further demisting of demister 23, discharge.Using above-mentioned
Device removes the aerosol in desulfurization fume, and integrated artistic is succinct, facilitates existing sulfur removal technology to be transformed, and can be with existing desulfurization
Technique combines, and invests small, short time limit, realizes aerosol minimum discharge.Meanwhile there is the device very strong varying duty to adapt to energy
Power, the dust being also stripped of in flue gas while removing to aerosol further reduced flue gas SO2Concentration.
In a kind of preferred embodiment, the first aerosol washing section 21 be void tower be distributed washing section (as shown in Figure 2) or
Packing layer washing section (as shown in Figure 1)；Second aerosol washing section 22 is packing layer washing section.When the first aerosol washing section 21
When being distributed washing section for void tower, humidification flue gas has time enough and space progress gas phase to be uniformly distributed after entering, and completes
The washing of first stage removes most of dust, aerosol in desulfurization fume.Subsequently enter the packing layer washing of second stage
Duan Jinhang is further washed, and using packing layer, gas-liquid contact is abundant, aerosol dissolution sufficiently, reentrainment amount is small, be conducive into
One step reduces aerosol load, and reduces the requirement for demister 23.Finally, the flue gas after secondary washing passes through demister
After 23 remove drop entrained by flue gas, purified gas is discharged.When the first aerosol washing section 21 is packing layer washing section,
Humidification flue gas is introduced into the packing layer of the first aerosol washing section 21, and packing layer forms moisture film, realizes moisture film pre-absorption function；In advance
Flue gas after washing enters the packing layer of the second aerosol washing section 22, realizes that the essence of moisture film absorbs.
In order to collect washing water and be recycled utilization, in a kind of preferred embodiment, aerosol removing tower 20 is also wrapped
Include the circulation liquid bath 25 for being located at 21 lower section of the first aerosol washing section.It is highly preferred that when the first aerosol washing section 21 is filler
When layer washing section, aerosol removing tower 20 further includes gas distributor 24, and the setting of gas distributor 24 is washed in the first aerosol
Between section 21 and circulation liquid bath 25, and gas distributor 24 has humidification gas inlet.It can make to increase using gas distributor 24
Wet flue gas more uniformly enters and contacts with washing water.And it should be noted that when the first aerosol washing section 21 is void tower point
It when cloth washing section, is uniformly distributed because humidification flue gas has time enough and space to carry out gas phase after entering, no setting is required gas
Distributor.Moreover, the flue gas that this kind of set-up mode processing dust content (mainly ammonium sulfate solids colloid) preferably is not high, is adopted
It decreases when being washed with the pressure drop of aerosol removing tower when which compared with two layers of filler, it is insufficient in boiler draft compressing head allowance
When can be considered using the type.
In a kind of preferred embodiment, the first aerosol washing section 21 includes the first washing water distributor 211, the first water
The setting of wash water distributor 211 is at 21 top of the first aerosol washing section；Second aerosol washing section 22 includes the second washing moisture
Cloth device 221, the second washing water distributor 221 setting is at 22 top of the second aerosol washing section.In this way, humidification flue gas is from tower bottom
After, be successively conducive to the removal effect for further increasing aerosol, dust etc. with washing water counter current contacting twice.And benefit
Water distributor, which is washed with water, so that washing water is evenly distributed to packing layer.
Preferably, the first washing water distributor 211 includes the first distribution general pipeline and is connected with the first distribution general pipeline multiple
First distribution arms；Second washing water distributor 221 include the second distribution general pipeline and be connected with the second distribution general pipeline multiple the
Two distribution arms.Preferably, when the first aerosol washing section 21 is that void tower is distributed washing section, the first distribution arms are silicon carbide
Spiral nozzle, mist formation hood shape sprays downwards, forms the spraying zone of liquid mist height superposition, the water mist of decline and the flue gas of rising
Reverse flow is formed, the dust (ammonium sulfate colloid) in flue gas is by water mist dissolution, washing.
It further include setting when the first aerosol washing section 21 is packing layer washing section in a kind of preferred embodiment
It sets the first packing layer 212 below the first washing water distributor 211 and is used to support the first support portion of the first packing layer 212
213；Second aerosol washing section 22 further includes the second packing layer 222 for washing 221 lower section of water distributor positioned at second and is used for
Support the second support portion 223 of the second packing layer 222.It is highly preferred that the first aerosol washing section 21 further includes being located at first
First washing of 213 lower section of support part rises gas formula collecting tank 214, and the second aerosol washing section 22 further includes being located at the second support portion
Second washing of 223 lower sections rises gas formula collecting tank 224.In this way, passing through the first washing after humidification flue gas enters and rising gas formula collecting tank
214 enter the first packing layer 212, after contacting with washing water, further enter the second filler by the second washing water distributor 221
Layer 222 is contacted with washing water.
In order to make to wash water circulation use to energy saving, in a kind of preferred embodiment, first washes water distribution
Device 211 is provided with the first washing water inlet, circulation liquid bath 25 be provided with circulating water outlet, circulating water outlet and the first washing water into
Mouth is connected by first circulation pipeline, and first circulation pump 201 is provided on first circulation pipeline；Second aerosol washing section 22
It is provided with the second washing water inlet, the outlet that the second washing water inlet rises gas formula collecting tank 224 with the second washing is followed by second
Endless tube road is connected, and second circulation pump 202 is additionally provided on second circulation pipeline.It in actual operation, can also be in real time to following
Washing water is supplemented in ring liquid bath 25.
In a preferred embodiment, aerosol removing tower 20 further include: bleeder, with first circulation pipeline phase
Even, and positive displacement pump 203 is provided on bleeder；Circulation bypass, import are connected with second circulation pipeline, outlet and first
Circulation line is connected, and recycles and be additionally provided with third circulating pump 204 in bypass.In the actual implementation process, when the first aerosol
After recirculated water in washing section 21 reaches certain weight proportion, desulfurization Tower System B in upstream can be given by bleeder, the specific gravity is excellent
Selected control system is between 1.05~1.1；It, can be other by circulation after the recirculated water of second aerosol washing section 22 reaches specified specific gravity
Road is sent into the first aerosol washing section 21, and the washing water specific gravity of the second aerosol washing section 22 is preferably controlled in 1.0~1.05
Between.
In order to further increase gas-liquid contact effect to further improve fume treatment effect, in a kind of preferred implementation
In example, the filler used in the first packing layer 212 and the second packing layer 222 is filled out for Ball-type packing, Intalox metal tower packing, cascade ring
One of material, grid packing are a variety of, and the first packing layer 212 and the second packing layer 222 are respectively bulk type packing layer or rule
Integer packing layer.
In a kind of preferred embodiment, humidification unit 10 includes: inlet air stack 11, has the import of desulfurizing tower neat stress,
And the outlet of inlet air stack 11 is connected with humidification gas inlet；Be humidified spray head 12, and the inside of inlet air stack 11 is arranged in.In reality
When operation, inlet air stack 11 can be connected with itself existing desulfurizing and purifying gas exhaust uptake 1 in existing desulfurizer, make to take off
Sulphur purified gas is introduced into inlet air stack 11 of the invention and enters back into aerosol removing tower 20 after humidification.Purified gas that treated row
Enter into existing chimney 2.
In a kind of preferred embodiment, demister 23 is ridge type demister, mesh mist eliminator or spiral-flow type demister.
It is highly preferred that aerosol removing tower 20 has top vent, aerosol removing tower 20 further includes being connected with top vent
Exhaust uptake 26, demister 23 is vertically set on the top (as illustrated in fig. 1 and 2) of the second aerosol washing section 22, alternatively, demisting
Device 23 is horizontally set in exhaust uptake (as shown in Figure 3).It, can in such a way that demister 23 is horizontally set in exhaust uptake
About two meters of tower height or so are effectively reduced, while the load of tower can be mitigated and reduce construction work amount.And use this kind of form
Demister cloth postpones, and internal structure and washing form and are arranged vertically different, and demister 23 is mounted on horizontal flue
On, it needs to be fixed.
Preferably, it is provided with first partition 101 in above-mentioned inlet air stack 11, is provided in desulfurizing and purifying gas exhaust uptake 1
Second partition 3 is provided with third partition 205 in exhaust uptake 26.Each partition is arranged can be with easy access.
In practical operation, it is preferable that be intermittently rinsed, will be shut off to demister 23 using flushing water C
Drop is swept away, and flushing liquor enters the second washing water distributor 221 and participates in filler washing after falling.Certainly, if flue gas leave it is de-
When sulphur tower, aerosol quantity and granular size can be removed by abjection tower, so that it may humidification is deactivated, with energy conservation；Deactivated humidification can subtract
Few circulation section moisturizing, it is possible to use production water as circulation section moisturizing facility.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (13)
1. a kind of flue gas aerosol removing means characterized by comprising
Humidification unit (10) has the import of desulfurizing tower neat stress；
Aerosol removing tower (20) successively includes the first aerosol washing section (21), the second aerosol washing section from the bottom to top
(22) and demister (23), the first aerosol washing section (21) lower part is provided with humidification gas inlet, with the humidification
The outlet of unit (10) is connected.
2. flue gas aerosol removing means according to claim 1, which is characterized in that the first aerosol washing section
(21) washing section or packing layer washing section are distributed for void tower；The second aerosol washing section (22) is packing layer washing section.
3. flue gas aerosol removing means according to claim 2, which is characterized in that the aerosol removing tower (20) is also
Including being located at the circulation liquid bath (25) below the first aerosol washing section (21).
4. flue gas aerosol removing means according to claim 3, which is characterized in that when the first aerosol washing section
(21) when being described filler layer washing section, the aerosol removing tower (20) further includes gas distributor (24), the gas point
Cloth device (24) is arranged between the first aerosol washing section (21) and the circulation liquid bath (25), and the gas distributor
(24) there is the humidification gas inlet.
5. flue gas aerosol removing means according to claim 3 or 4, which is characterized in that the first aerosol washing
Section (21) includes the first washing water distributor (211), and first washing water distributor (211) is arranged in first aerosol
At the top of washing section (21)；The second aerosol washing section (22) includes the second washing water distributor (221), second washing
Water distributor (221) setting is at the top of the second aerosol washing section (22).
6. flue gas aerosol removing means according to claim 5, which is characterized in that when the first aerosol washing section
It (21) further include setting first filling out below first washing water distributor (211) when being described filler layer washing section
The bed of material (212) and the first support portion (213) for being used to support first packing layer (212)；The second aerosol washing section
(22) further include the second packing layer (222) below second washing water distributor (221) and be used to support described the
The second support portion (223) of two packing layers (222).
7. flue gas aerosol removing means according to claim 6, which is characterized in that the first aerosol washing section
It (21) further include that the first washing being located at below first support portion (213) rises gas formula collecting tank (214), second gas is molten
Glue washing section (22) further includes that the second washing below second support portion (223) rises gas formula collecting tank (224).
8. flue gas aerosol removing means according to claim 7, which is characterized in that the first washing water distributor
(211) it is provided with the first washing water inlet, the circulation liquid bath (25) is provided with circulating water outlet, the circulating water outlet and institute
It states the first washing water inlet to be connected by first circulation pipeline, and is provided with first circulation pump on the first circulation pipeline
(201)；The second aerosol washing section (22) is provided with the second washing water inlet, the second washing water inlet and described the
The outlet that two washings rise gas formula collecting tank (224) is connected by second circulation pipeline, and is also set up on the second circulation pipeline
There is second circulation to pump (202).
9. flue gas aerosol removing means according to claim 8, which is characterized in that the aerosol removing tower (20) is also
Include:
Bleeder is connected with the first circulation pipeline, and positive displacement pump (203) are provided on the bleeder；
Circulation bypass, import are connected with the second circulation pipeline, and outlet is connected with the first circulation pipeline, and described
Third circulating pump (204) are additionally provided in circulation bypass.
10. flue gas aerosol removing means according to claim 6, which is characterized in that first packing layer (212) and
The filler used in second packing layer (222) is in Ball-type packing, Intalox metal tower packing, ladder ring packing, grid packing
One or more, first packing layer (212) and second packing layer (222) are respectively bulk type packing layer or regular type
Packing layer.
11. flue gas aerosol removing means according to claim 1, which is characterized in that the humidification unit (10) includes:
Inlet air stack (11) has the desulfurizing tower neat stress import, and the outlet of the inlet air stack (11) and the humidification
Gas inlet is connected；
It is humidified spray head (12), is arranged in the inside of the inlet air stack (11).
12. flue gas aerosol removing means according to claim 1, which is characterized in that the demister (23) is ridge
Formula demister, mesh mist eliminator or spiral-flow type demister.
13. flue gas aerosol removing means according to claim 12, which is characterized in that the aerosol removing tower (20)
With top vent, the aerosol removing tower (20) further includes the exhaust uptake (26) being connected with the top vent,
The demister (23) is vertically set on the top of the second aerosol washing section (22), alternatively, the demister (23) water
It is flat to be arranged in the exhaust uptake (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910435360.7A CN110026036A (en) | 2019-05-23 | 2019-05-23 | Flue gas aerosol removing means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910435360.7A CN110026036A (en) | 2019-05-23 | 2019-05-23 | Flue gas aerosol removing means |
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| CN110026036A true CN110026036A (en) | 2019-07-19 |
Family
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| CN201910435360.7A Pending CN110026036A (en) | 2019-05-23 | 2019-05-23 | Flue gas aerosol removing means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111318121A (en) * | 2020-03-11 | 2020-06-23 | 佛山市蓝颂科技有限公司 | Cooperative treatment method and device for gas-liquid mass transfer organic waste gas and wastewater treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6485547B1 (en) * | 2000-04-17 | 2002-11-26 | Mitsubishi Heavy Industries, Ltd. | Exhaust gas cooling system |
| CN202315692U (en) * | 2011-11-08 | 2012-07-11 | 神华集团有限责任公司 | Wet flue gas desulfurization system |
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| US6485547B1 (en) * | 2000-04-17 | 2002-11-26 | Mitsubishi Heavy Industries, Ltd. | Exhaust gas cooling system |
| CN202315692U (en) * | 2011-11-08 | 2012-07-11 | 神华集团有限责任公司 | Wet flue gas desulfurization system |
| CN203777900U (en) * | 2014-03-18 | 2014-08-20 | 攀钢集团攀枝花钢钒有限公司 | Flue gas desulphurization system |
| CN106178859A (en) * | 2016-08-22 | 2016-12-07 | 江苏中圣高科技产业有限公司 | Flue gas desulfurization fog dispersal haze system and method for sulfur recovery tail gas incinerator |
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| CN111318121A (en) * | 2020-03-11 | 2020-06-23 | 佛山市蓝颂科技有限公司 | Cooperative treatment method and device for gas-liquid mass transfer organic waste gas and wastewater treatment system |
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Application publication date: 20190719 |