CN106076089B - A kind of desulphurization denitration vent gas treatment tower - Google Patents
A kind of desulphurization denitration vent gas treatment tower Download PDFInfo
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- CN106076089B CN106076089B CN201610672363.9A CN201610672363A CN106076089B CN 106076089 B CN106076089 B CN 106076089B CN 201610672363 A CN201610672363 A CN 201610672363A CN 106076089 B CN106076089 B CN 106076089B
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/003—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions including coalescing means for the separation of liquid
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/76—Gas phase processes, e.g. by using aerosols
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/104—Ozone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
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Abstract
The invention discloses a kind of desulphurization denitration vent gas treatment towers, including the interior circular tower being coaxially disposed from inside to outside, outer circular tower and tower body, the sealed bottom of tower body is arranged, the bottom of interior circular tower is stretched out tower body and is connect with a feeding-passage, the top of interior circular tower is equipped with the arc-shaped top one with spray orifice, the gas distribution grid with spray orifice is equipped between arc-shaped top one and outer circle inner wall of tower, the top of outer circular tower is equipped with the arc-shaped top two with spray orifice, the liquid distributing board with spray orifice is equipped between arc-shaped top two and tower body inner wall, the top at arc-shaped top two is equipped with the gas-liquid allotter with spray orifice, the top of gas-liquid allotter is equipped with demister.The desulphurization denitration vent gas treatment tower denitrification efficiency of the present invention is high, less energy consumption, ozone and can be fully used containing ammonia solution, and in neat stress after treatment, mist content is extremely low, and sulfide content is in 40mg/Nm3Hereinafter, amount of nitrides is in 60mg/Nm3Hereinafter, with obvious effects be better than existing desulphurization denitration tower.
Description
Technical field
The present invention relates to industrial waste gas treating column field, more particularly to a kind of desulphurization denitration vent gas treatment tower.
Background technology
Processing for sulfur-bearing industrial waste gas containing nitre generally carries out desulfurization using desulphurization denitration tower to it in the prior art
Denitration process, desulfurization off sulfide effect is good, and input cost is not very high, and therefore, the wet desulphurization denitration used is better than other
Desulfurization denitration method.But that there are energy consumptions is larger, the consumption containing ammonia solution is big for existing desulphurization denitration tower, waste liquid content is super in neat stress
It the problems such as mark, desulfurization off sulfide effect is undesirable, and ozone utilization rate is low, is mainly manifested in：1. molten containing ammonia in desulphurization denitration tower
Liquid cleaning exhaust gas in the form of spraying by flusher, spray out contains ammonia solution with drops and exhaust gas contact
And then react, absorb, it is shorter with the exhaust gas contact reaction time since the mean drop diameter of spray out is larger, often drip
Drop is fully reacted and is absorbed being had not occurred with exhaust gas, and collection device is just fallen into, and causes to utilize insufficient, wave containing ammonia solution
Take more serious, a certain amount of nitride and sulfide are also contained in the exhaust gas not being fully cleaned up, and then desulphurization denitration is caused to be imitated
Fruit is undesirable, and the consumption containing ammonia solution is big, further increases energy consumption；2. ozone usually enters desulphurization denitration tower together with exhaust gas,
It simply is passed through mode, not only mixes ozone and exhaust gas not uniform enough, causes reaction that cannot fully carry out, also make ozone and give up
Gas only has lower pressure, and intermolecular active force is smaller, and the oxidation of ozone fails fully to release, and eventually leads to
Ozonidation reduces, and ozone consumption increases, and turnover rate is higher；3. during spray, a part is sent out containing ammonia solution
Fog often leads to contain considerable amount of waste liquid mist in the neat stress of discharge, these mists are that the ammonium salt of high concentration is molten
Liquid drop can cause environment a degree of pollution, be unfavorable for environmental protection；4. desulphurization denitration tower allows to give off up to standard
Neat stress, however these neat stress are for air, the still pernicious gas containing higher concentration, these pernicious gases are just
Air is needed to carry out dissolved dilution, to eliminate its adverse effect, but since the concentration of the neat stress of discharge will be significantly larger than air
Concentration causes the neat stress of discharge that insoluble phenomenon occurs with air, when neat stress discharge rate is larger（Such as power plant emission goes out
Neat stress）, it is susceptible to exhaust gas and covers all the sky phenomenon, seriously affects local environment.
Invention content
The goal of the invention of the present invention is：In view of the above problems, it is high to provide a kind of denitrification efficiency, energy consumption
It is few, ozone and the desulphurization denitration vent gas treatment tower that can be fully used containing ammonia solution, by the desulphurization denitration vent gas treatment tower
In treated neat stress, mist content is extremely low, and sulfide content is in 40mg/Nm3Hereinafter, amount of nitrides is in 60mg/Nm3With
Under.
The technical solution adopted by the present invention is as follows：A kind of desulphurization denitration vent gas treatment tower, including be coaxially disposed from inside to outside
Interior circular tower, outer circular tower and tower body, the sealed bottom setting of tower body, the bottom of interior circular tower stretch out tower body and with a feeding-passage
The top of connection, interior circular tower is equipped with the arc-shaped top one with spray orifice, and band is equipped between arc-shaped top one and outer circle inner wall of tower
The gas distribution grid of spray orifice, the bottom of outer circular tower is open to form flare end outward, the port edge of flare end with
The inner wall sealing of tower body connects, and the top of outer circular tower is equipped with the arc-shaped top two with spray orifice, arc-shaped top two in tower body
The liquid distributing board with spray orifice is equipped between wall, the top at arc-shaped top two is equipped with the gas-liquid allotter with spray orifice, gas-liquid point
The top of orchestration is equipped with demister.
Further, in order to enable ozone and industrial tail gas to realize just mixed, initial action, gas distribution grid, arc-shaped top
One, gas mixer chamber is formed on outer circle inner wall of tower and arc-shaped top two.
Further, in order to increase reaction compartment, the pressure in tower body is reduced, so that reaction and mixing is carried out more abundant, liquid
Body distribution grid, arc-shaped top two, tower body inner wall and gas-liquid allotter form gas-liquid mixed reative cell, gas-liquid mixed reative cell to
Outer protrusion forms cydariform reative cell.
Further, flare end and the top of tower body sealing junction are equipped with feed inlet three times, flare end and tower
Lower section at body sealed connection is equipped with secondary feeds mouth, and secondary feeds mouth is sealingly disposed on tower body with feed inlet three times.
Further, in order to prevent industrial tail gas, containing the structure in the corrosive goods confrontation tower such as ammonia solution cause to corrode, liquid
Distribution grid, arc-shaped top two, tower body inner wall and gas-liquid allotter are respectively equipped with fluororubber layer.
Further, in order to reduce the temperature of industrial tail gas, while in order to make ozone and contain after ammonia solution is heated in most suitable
The tower wall of suitable reaction temperature, interior circular tower and outer circular tower is all made of Heat Conduction Material and is made, and Heat Conduction Material can be aluminum or aluminum alloy
Material, stainless steel material etc..
Further, demister includes demister and cooling water coil, and the side of demister is equipped with waste liquid outlet, and waste liquid goes out
Mouth is connect across tower body inner wall with waste collecting device, and cooling water coil is coiled on demister, and cooling water coil is equipped with cold
But water inlet and cooling water outlet.
Further, in order to enable neat stress to disperse rapidly with air, the tower wall at the top of tower body concaves to form neck
The end in portion, neck is turned-out to form shirt rim, and neck and shirt rim combine to form neat stress outlet.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1, first with ozone convection current occurs for sulfur-bearing exhaust gas containing nitre, generates mutual impingement mix, and then enable ozone and sulfur-bearing
Exhaust gas containing nitre is sufficiently mixed, and there is the ozone molecule of higher pressure and the sulfur-bearing exhaust gas containing nitre of higher pressure more to hold after heated
It easily reacts, oxidation reaction more can be carried out fully；Ozone and sulfur-bearing exhaust gas containing nitre mix at the beginning of the gas mixer chamber, initial action
Afterwards, mixed gas continues to enter gas-liquid mixed reative cell with certain pressure intensity and speed, and is mixed simultaneously containing ammonia solution with atomization
Reaction, similarly, unreacted ozone continue oxidation reaction, atomization containing ammonia solution with the tiny drops of grain size to mixed
It closes gas to be reacted, absorb, wherein often dripping droplet can carry out fully reacting and absorbing, and macroscopically show as, sulfur-bearing
Most sulfide and nitride are fully absorbed containing ammonia solution in exhaust gas containing nitre, and then improve denitrification efficiency；
2, neat stress exit design is ingenious, and neat stress can be made to exist rapidly due to losing pressure suddenly and increasing diffusion area
It spreads apart and in air, solve overhead exhaust gas accumulation, it is immiscible with air, slow problem is spread, air is taken full advantage of
To the diluting effect of neat stress, influence of the neat stress to local environment is reduced.
3, it preheats ozone using the preheating of sulfur-bearing exhaust gas containing nitre and contains ammonia solution, the reaction temperature between three is made to reach
Most preferably, make reaction and absorb the more smooth of progress, further improve denitrification efficiency；
4, the sulfur-bearing exhaust gas containing nitre of the desulphurization denitration vent gas treatment tower processing by the present invention, purified neat stress
In, mist content is extremely low, and sulfide content is in 40mg/Nm3Hereinafter, amount of nitrides is in 60mg/Nm3Hereinafter, with obvious effects be better than
Existing desulphurization denitration tower.
Description of the drawings
Fig. 1 is a kind of desulphurization denitration vent gas treatment tower cross-sectional view of the present invention；
Fig. 2 is gas mixer chamber and gas-liquid mixing chamber structural schematic diagram in the present invention；
Fig. 3 is gas mixer chamber and gas-liquid mixing chamber working state schematic representation in the present invention；
Fig. 4 is the structural schematic diagram of demister in the present invention.
It is marked in figure：1 is tower body, and 2 be interior circular tower, and 201 be arc-shaped top one, and 3 be outer circular tower, and 301 be flared end
Portion, 302 be arc-shaped top two, and 4 export for neat stress, and 401 be neck, and 402 be shirt rim, and 5 be demister, and 501 be demisting
Device, 502 be cold water shortage coil pipe, and 503 be waste liquid outlet, and 504 be cooling water inlet, and 505 be cooling water outlet, and 6 be primary charging
Channel, 7 be spray orifice, and 8 be gas distribution grid, and 9 be secondary feeds mouth, and 10 be feed inlet three times, and 11 be liquid distributing board, and 12 be gas
Body mixing chamber, 13 be gas-liquid allotter, and 14 be neat stress channel, and 15 be wind wheel, and 16 be gas-liquid mixed reative cell, and 17 be fluorubber
Layer.
Specific implementation mode
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figures 1 to 4, a kind of desulphurization denitration vent gas treatment tower, including be coaxially disposed from inside to outside interior circular tower 2,
The tower wall of outer circular tower 3 and tower body 1, interior circular tower 2 and outer circular tower 3 is all made of the good material of thermal conductivity and is made, and Heat Conduction Material can be with
For aluminum or aluminum alloy material, stainless steel material etc..The sealed bottom of tower body 1 is arranged, and is leaked to prevent gas-liquid, the tower at 1 top of tower body
Wall concaves to form neck 401, and the end of neck 401 is turned-out to form shirt rim 402, and shape is combined in neck 401 and shirt rim 402
4 are exported at neat stress, neat stress is flowed to through 5 demisting of demister and after the acceleration of wind wheel 15 with certain pressure and speed
The neck 401 of neat stress outlet 4, the contraction structure of neck 401 further compresses neat stress, make neat stress pressure and speed into
One step increases, and then the effect of the increase diffusion angle through shirt rim 402 again, makes neat stress due to losing pressure suddenly and increasing
Diffusion area causes neat stress to spread apart in an atmosphere rapidly and comes, and solves overhead exhaust gas accumulation, spreads slow problem, fill
Divide and diluting effect of the air to exhaust gas is utilized, reduces influence of the exhaust gas to local environment.
The bottom of interior circular tower 2 is stretched out tower body 1 and is connect with a feeding-passage 6, and one time feeding-passage 6 is used for merchantable thing
The top of material, interior circular tower 2 is arc-shaped top 1, and arc-shaped top 1 can be certainly integrated with interior circular tower 2, or
Several spray orifices 7 are distributed on arc-shaped top 1 in arc-shaped end socket, and spray orifice 7 can be arranged by annular, rectangle etc., to
Material is ejected, the gas distribution grid 8 with spray orifice, gas distribution grid are equipped between 3 inner wall of arc-shaped top 1 and outer circular tower
8 be circular slanting panel-type air distribution grid, the inner wall fixed seal connection with outer circular tower 3.
The bottom of outer circular tower 3 is open to form flare end 301, the port edge and tower of flare end 301 outward
The inner wall sealing of body 1 connects, and the top at flare end 301 and 1 sealed connection of tower body is equipped with feed inlet 10 three times, lower section
Equipped with secondary feeds mouth 9, secondary feeds mouth 9 is all disposed with feed inlet 10 three times on tower body 1, for connecting material to tower body 1
Interior, the top of outer circular tower 3 is arc-shaped top 2 302, and arc-shaped top 2 302 can be certainly integrated with outer circular tower 3, or
Several spray orifices 7 are distributed on arc-shaped top 2 302 in arc-shaped end socket, and spray orifice 7 can be arranged by annular, rectangle etc., to
Material is ejected, the liquid distributing board 11 with spray orifice, liquid distributing board are equipped between 1 inner wall of arc-shaped top 2 302 and tower body
11 be circular slanting plate liquid distribution grid, with 1 inner wall fixed seal connection of tower body.Gas distribution grid 8, arc-shaped top 1,
Gas mixer chamber 12 is formed on 3 inner wall of outer circular tower and arc-shaped top 2 302, is mixed for the oxidizing gas such as tail gas and ozone
Close initial action.
The top at arc-shaped top 2 302 is equipped with gas-liquid allotter 13, and gas-liquid allotter 13 is baffle of porous baffle, baffle of porous baffle
It being fixedly connected with 1 inner wall of tower body, gas-liquid allotter 13 is for stopping the big drop not being atomized, so that mother liquor containing ammonia is fully atomized,
And ensure that gas and liquid in gas-liquid mixed reative cell 16 fully react, the top of gas-liquid allotter 13 is equipped with demister 5,
The top of demister 5 is neat stress channel 14, is equipped with wind wheel 15 in neat stress channel 14, the top in neat stress channel 14 is net
Exhanst gas outlet 4.It is anti-that liquid distributing board 11, arc-shaped top 2 302,1 inner wall of tower body and gas-liquid allotter 13 form gas-liquid mixed
It answers room 16, gas-liquid mixed reative cell 16 to outwardly protrude to form cydariform reative cell, to increase reaction compartment, reduces the pressure in tower body 1
By force.Liquid distributing board 11, arc-shaped top 2 302,1 inner wall of tower body and gas-liquid allotter 13 are respectively equipped with fluororubber layer 17, use
It is formed by gas-liquid mixed reative cell with protection, and the ammonium salt to be formed is prevented to be adhered to the inner wall of gas-liquid mixed reative cell simultaneously
On.Demister 5 includes demister 501 and cooling water coil 502, and cooling water coil 502 is coiled on demister 501, to
Cool down to demister 501, furtherly, the side of demister 501 is equipped with waste liquid outlet 503, and waste liquid outlet 503 passes through tower body
1 inner wall is connect with waste collecting device, and cooling water coil 502 is equipped with cooling water inlet 504 and cooling water outlet 505.
The operation principle of the desulphurization denitration vent gas treatment tower of above-described embodiment is first to clean desulphurization denitration vent gas treatment tower
It is dry clean, it is mixed that the sulfur-bearing industrial tail gas containing nitre after oil removing, filtering, cooling, ozone and air are then passed through into treating column
Mixed gas after conjunction and mother liquor containing ammonia, concrete operations are：By being pumped into certain speed in a 6 inside circular tower 2 of feeding-passage
With the ozone of pressure and the mixed mixed gas of air, then by being pumped into certain speed in 9 outside circular tower 3 of secondary feeds mouth
With the sulfur-bearing industrial tail gas containing nitre of pressure, then again by between 1 inner wall of tower wall and tower body of 10 outside circular tower 3 of feed inlet three times
It is formed by the mother liquor containing ammonia that certain speed and pressure are pumped into channel, sulfur-bearing industrial tail gas containing nitre is mixed with ozone with air
After heat exchange occurs for mixed gas and mother liquor containing ammonia afterwards, temperature is reduced to the suitable temperature of reaction, then passes through arc-shaped top
The spray orifice in portion 1 ejects, ozone and the mixed mixed gas of air then by the spray orifice 7 on gas distribution grid 8 to
It is outer to eject and occur mutually to hit in gas mixing room with the sulfur-bearing industrial tail gas containing nitre ejected, mix, is just anti-
It answers, sulfur-bearing industrial tail gas containing nitre is after ozone oxidation, and the new mixed gas of formation such as ozone, product, air, due to gas
Body mixing chamber 12 constantly has new gas to be pumped into, and passes through the spray at arc-shaped top 2 302 after the new mixed gas compression of formation
Hole 7 is ejected into gas-liquid mixed reative cell 16, at this point, mother liquor containing ammonia is then by the spray orifice 7 of liquid distributing board 11 to gas-liquid
It is ejected in mixing and reaction chamber 16, and occurs mutually to hit with the new mixed gas ejected, mixing, react, due to
The mixed gas of mother liquor containing ammonia and type all has certain speed and pressure, in gas-liquid mixed reative cell 16, the quilt of mother liquor containing ammonia
Atomization, the mother liquor containing ammonia after atomization form the tiny drop of particle and to new mixed gas fully react and absorb, industry
Most nitride and sulfide in tail gas are dissolved in droplet.Droplet and industrial tail gas, the air after desulphurization denitration
It is homogenously mixed together to form fog with unreacted ozone, fog is accelerated by gas-liquid allotter 13, after extruding, into demisting
Device 5, after fog flows through demister 5, the droplet in fog is filtered out, and then fog is made to become dry neat stress,
In order to make the droplet in fog condense out rapidly, the cooling water coil 502 outside demister 5 is to the fog flowed through
Cooling condensation, to reach best defogging effect, the drop condensed out constantly collects to form liquid stream, and passes through demister 501
Collection structure comes together in waste liquid outlet 503 and forms waste liquid, is then discharged outside demister 5 by waste liquid outlet 503；After demisting
Neat stress continues to rise to neat stress channel 14, is poured in after being accelerated by the wind wheel 15 in neat stress channel 14 to neat stress and is exported
At 4, it is discharged outside vent gas treatment tower through neat stress outlet 4.
After testing, in above-described embodiment treated neat stress, mist content is extremely low, and sulfide content is in 40mg/Nm3With
Under, amount of nitrides is in 60mg/Nm3Hereinafter, NH3Content is in 4mg/Nm3Hereinafter, sulphuric acid mist content is in 8 mg/Nm3Hereinafter, effect is bright
It is aobvious to be better than existing desulphurization denitration tower.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (7)
1. a kind of desulphurization denitration vent gas treatment tower, including the interior circular tower, outer circular tower and the tower body that are coaxially disposed from inside to outside, feature
It is, the bottom of the sealed bottom setting of tower body, interior circular tower is stretched out tower body and connect with a feeding-passage, the top of interior circular tower
Equipped with the arc-shaped top one with spray orifice, the gas distribution grid with spray orifice is equipped between arc-shaped top one and outer circle inner wall of tower,
The bottom of outer circular tower is open to form flare end outward, and the port edge of flare end and the inner wall sealing of tower body connect
It connects, the top of outer circular tower is equipped with the arc-shaped top two with spray orifice, and band spray orifice is equipped between arc-shaped top two and tower body inner wall
Liquid distributing board, the top at arc-shaped top two is equipped with the gas-liquid allotter with spray orifice, and the top of gas-liquid allotter, which is equipped with, removes
The top of mist device, flare end and tower body sealing junction is equipped with feed inlet three times, and flare end connects with tower body sealing
The lower section for meeting place is equipped with secondary feeds mouth, and secondary feeds mouth is sealingly disposed on tower body with feed inlet three times.
2. desulphurization denitration vent gas treatment tower as described in claim 1, which is characterized in that gas distribution grid, arc-shaped top one,
Gas mixer chamber is formed on outer circle inner wall of tower and arc-shaped top two, to the pretreatment carried out to tail gas.
3. desulphurization denitration vent gas treatment tower as claimed in claim 2, which is characterized in that liquid distributing board, arc-shaped top two,
Tower body inner wall and gas-liquid allotter form gas-liquid mixed reative cell, and gas-liquid mixed reative cell outwardly protrudes to form cydariform reative cell.
4. desulphurization denitration vent gas treatment tower as claimed in claim 3, which is characterized in that liquid distributing board, arc-shaped top two,
Tower body inner wall and gas-liquid allotter are respectively equipped with fluororubber layer.
5. desulphurization denitration vent gas treatment tower as described in claim 1, which is characterized in that the tower wall of interior circular tower and outer circular tower is adopted
It is made of Heat Conduction Material.
6. desulphurization denitration vent gas treatment tower as claimed in claim 5, which is characterized in that demister includes demister and cooling
The side of water coil, demister is equipped with waste liquid outlet, and waste liquid outlet is connect across tower body inner wall with waste collecting device, cooling water
Coil pipe is coiled on demister, and cooling water coil is equipped with cooling water inlet and cooling water outlet.
7. the desulphurization denitration vent gas treatment tower as described in one of claim 1-6, which is characterized in that the tower wall at the top of tower body is inside
It is recessed to form neck, the end of neck is turned-out to form shirt rim, and neck and shirt rim combine to form neat stress outlet.
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| CN109954354A (en) * | 2017-12-14 | 2019-07-02 | 天津大学 | A kind of demisting and water saving device for wet cooling tower |
| CN108421358A (en) * | 2018-05-28 | 2018-08-21 | 安徽政涛环保科技有限公司 | A kind of high efficiency demister tail-gas deep processing unit |
| CN112705032B (en) * | 2020-11-29 | 2023-05-05 | 会昌红狮环保科技有限公司 | Flue gas desulfurization and denitrification device with quick purification function mechanism |
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