CN108043202A - For the absorption tower of fume treatment and using its smoke processing system and method - Google Patents
For the absorption tower of fume treatment and using its smoke processing system and method Download PDFInfo
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- CN108043202A CN108043202A CN201711367212.3A CN201711367212A CN108043202A CN 108043202 A CN108043202 A CN 108043202A CN 201711367212 A CN201711367212 A CN 201711367212A CN 108043202 A CN108043202 A CN 108043202A
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- tower body
- absorption tower
- working space
- flue
- tower
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
-
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- 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
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- 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
A kind of absorption tower for fume treatment is provided and applies its smoke processing system and method.Longitudinal working space being divided by partition plate is provided in the tower body on absorption tower；Flue is formed between the inner wall of the partition plate of working space and the tower body on absorption tower；It is filled, is formed material bed by material in working space；Ammonia-gas spraying device is provided in the flue of the one side of tower body；The flow field homogeneity and mixing uniformity that airflow uniform distribution device ensures flue gas and ammonia are both provided at the top and bottom of each flue and in working space；Tower body is provided with air inlet, gas outlet, inlet port and outlet port, and air inlet is arranged at the lower part of tower body, and gas outlet is arranged at the top of tower body, and feed inlet is arranged at the top of tower body, and discharge port is arranged at the bottom of tower body；Air inlet and gas outlet may be contained within being not provided in the flue of ammonia-gas spraying device, and connect working space；The working space of the tower body on absorption tower is provided with multiple perforated baffles, and working space lower part is longitudinally divided into multilayer.
Description
Technical field
Present invention design fume treatment technology, more particularly to a kind of absorption tower for fume treatment.
Background technology
Active carbon adsorption is the flue gases purification of iron and steel enterprise's general choice in recent years.Not exclusively due to activated carbon
Method can concertedness, also reside in transmission process abrasion generate active powdered carbon can secondary use, do not generate solid waste.Activated carbon method cigarette
Gas purification techniques can not only remove the SO in flue gas simultaneously2And NOx, also with not water consumption, non-secondary pollution, effectively remove cigarette
It dust and heavy metal (such as mercury) pollutant in gas, the advantages that can Sulphur ressource being recycled by adsorbent reactivation, can be very good
Gas cleaning applied to fields such as steel, coke oven, cement, glass, waste incinerations is administered.The equipment for purifying technique is predominantly inhaled
Tower is received, is contacted directly by activated carbon and flue gas and realizes that removing acts on, the design quality on absorption tower directly affects the removing of process
Effect influences the reasonability of entire technique.The universal absorption tower in absorption tower of the prior art is complicated, and volume is larger.
The content of the invention
In view of the above problem, the present invention provides a kind of absorption tower for fume treatment, can realize subregion removing effect
Fruit, and the space availability ratio on absorption tower is improved simultaneously.Activated carbon is made preferably to play the cooperation-removal effect to sulphur, nitre, dirt.
The present invention provides a kind of absorption tower for fume treatment, applied to the dust removal integrated processing system of desulphurization denitration.
Longitudinal working space being divided by partition plate is provided in the tower body on absorption tower.The partition plate of working space and the tower body on absorption tower
Flue is formed between inner wall.It is filled, is formed material bed by material in working space.Spray ammonia dress is provided in the flue of the one side of tower body
It puts.Airflow uniform distribution device is both provided at the top and bottom of each flue and in working space and ensures that the flow field of flue gas and ammonia is homogeneous
Property and mixing uniformity.Tower body is provided with air inlet, gas outlet, inlet port and outlet port, and air inlet is arranged at the lower part of tower body,
Gas outlet is arranged at the top of tower body, and feed inlet is arranged at the top of tower body, and discharge port is arranged at the bottom of tower body；Air inlet and
Gas outlet may be contained within being not provided in the flue of ammonia-gas spraying device, and connect working space.The working space of the tower body on absorption tower
Multiple perforated baffles are provided with, working space is longitudinally divided into multilayer.Multiple perforated baffles are provided only on the tower body on absorption tower
Lower part.
The present invention provides another absorption tower for being used for fume treatment, applied to the dust removal integrated processing system of desulphurization denitration
System, there are two longitudinal working spaces being divided by partition plate for the interior setting of tower body on absorption tower.It is filled out in each working space by material
It fills, is formed material bed.Flue is formed between two working spaces and between the inner wall of working space and the tower body on absorption tower.It leans on
Ammonia-gas spraying device is respectively arranged in flue on the outside of nearly absorption tower.It is set respectively in the top and bottom of each flue and working space
Airflow uniform distribution device is equipped with to ensure the flow field homogeneity and mixing uniformity of flue gas and ammonia.The tower body on absorption tower be provided with into
Gas port, gas outlet, two feed inlets and two discharge ports, air inlet are arranged at the lower part of tower body, and gas outlet is arranged at tower body
Top, two feed inlets are respectively arranged at the top of tower body, and two discharge ports are arranged at the bottom of tower body, each a corresponding work
Industry space；Air inlet and gas outlet may be contained within the flue between two working spaces, and be respectively communicated with working space.Absorption tower
The working space of tower body be provided with multiple perforated baffles, working space is longitudinally divided into multilayer.Multiple perforated baffles are only set
In the lower part of the tower body on absorption tower.
The present invention also provides a kind of absorption tower for fume treatment, applied to the dust removal integrated processing system of desulphurization denitration
System.The working space being divided by partition plate of longitudinal direction there are two being set in the tower body on absorption tower.It is filled in each working space by material,
It is formed material bed.Flue is formed between two working spaces and between the inner wall of working space and the tower body on absorption tower.Each cigarette
Airflow uniform distribution device is respectively arranged in the top and bottom in road and working space to ensure that the flow field of flue gas and ammonia is homogeneous
Property and mixing uniformity.The tower body on absorption tower is provided with multiple air inlets, multiple gas outlets, inlet port and outlet port, Duo Gejin
Gas port is arranged at the lower part of tower body, and multiple gas outlets are arranged at the top of tower body, and feed inlet is arranged at the top of tower body, discharge port
It is arranged at the bottom of tower body；Multiple air inlets and multiple gas outlets may be contained within being not provided with the flue of ammonia-gas spraying device, and respectively
Connect working space.The working space of the tower body on absorption tower is provided with multiple perforated baffles, and working space is longitudinally divided into multilayer.
Multiple perforated baffles are provided only on the lower part of the tower body on absorption tower.
In one aspect of the invention, the lower part of working space is longitudinally divided into three layers by multiple perforated baffles.It is multiple porous
The height of baffle is consistent with the maximum height of air inlet.
In one aspect of the invention, material bed horizontal overall thickness is 1m-3m, is preferably 1.5m-2.5m.
In one aspect of the invention, it is material bed to be divided into three layers by multiple perforated baffles, from close to air inlet to away from into
Gas port direction, horizontal breadth be respectively 30cm, 70cm and 100cm or respectively 20cm, 80cm and 100cm or respectively 15cm,
85cm、100cm。
In one aspect of the invention, the aperture of multiple perforated baffles is less than the aperture of material；Aperture is less than 6mm；It is porous
The percent opening of baffle is 35%-45%.
In one aspect of the invention, material can be that activated carbon, activated coke, cylindric solid catalyst or graininess are consolidated
Body catalyst.
In addition, the present invention also provides a kind of smoke processing systems, including absorber portion and regenerator section, absorber portion and regenerator section are led to
The connection of material delivery pipe road is crossed, the flue gas into system is removed via completion desulphurization denitration after the material processing set in absorber portion
Dirt；Absorber portion completes that treated that material is delivered to regenerator section by material delivery pipe road, and regenerator section is to the object from absorber portion
Material carries out desorption and regeneration, then sends absorber portion back to via material delivery pipe road, forms complete cycle.Absorber portion includes being used for as above
The absorption tower of fume treatment.
In addition, the present invention also provides a kind of flue gas desulfurization denitration dust-removing integrated processing sides using above-mentioned smoke absorption tower
Method, flue gas desulfurization denitration dust-removing step are completed in an absorption tower, and flue gas enters absorption tower from lower part, leads in absorption tower lower part
Cross the material bed completion physical desulfurization denitration dust collecting process in an absorption tower, afterwards in a flue on absorption tower with atomization
Ammonia mix and rise at the top of absorption tower, complete ammonia process reduction denitrification process, final self-absorption tower again by material bed
It discharges on top.
The beneficial effects of the present invention are provide a kind of absorption tower for fume treatment and apply its fume treatment system
System.It can realize the SO in flue gas2、NOXAnd the subregion removal effect of dust, and the space availability ratio on absorption tower is improved simultaneously.
Material is made preferably to play the cooperation-removal effect to sulphur, nitre, dirt.
Description of the drawings
Fig. 1 is the equipment connection diagram for the smoke processing system that a preferred embodiment of the present invention provides；
Fig. 2 is the structure diagram on the absorption tower that a preferred embodiment of the present invention provides；
Fig. 3 is the structure diagram on the absorption tower that another preferred embodiment of the present invention provides；
Fig. 4 is the structure diagram on the absorption tower that the another preferred embodiment of the present invention provides.
Wherein, the reference numerals are as follows：
1 absorption tower
2 regenerators
3 liquefied ammonia stations
4 smoke discharging devices
5 booster fans
6 hot-blast stoves
7 cooling blowers
8 recovery of chemical products devices
101 air inlets
102 gas outlets
103 feed inlets
104 discharge ports
105 is material bed
106 ammonia-gas spraying devices
107 perforated baffles
Specific embodiment
Below with reference to attached drawing, technical solution provided by the present invention is carried out by specific embodiments of the present invention detailed
Illustrate, so that those skilled in the art carry out more specific understanding to the present invention.It should be noted that following embodiment is provided
Technical solution and Figure of description only for the present invention will be described use, be not intended to be any limitation as the present invention.Below
In embodiment and attached drawing, relevant element indirect with the present invention, step have been omitted from and are not shown；And each interelement in attached drawing
Size relationship be only to ask and be readily understood by, it is non-limiting actual ratio.
One embodiment of the invention is described in detailed below, so as to be carried out specifically to technical solution provided by the present invention
It is bright, so that those skilled in the art carry out more specific understanding to the present invention.
Referring to Fig. 1, Fig. 1 is the equipment connection diagram for the smoke processing system that a preferred embodiment of the present invention provides.
The present invention provides a kind of smoke processing system, including absorber portion and regenerator section.Absorber portion includes absorption tower 1, liquefied ammonia station 3, flue gas
Tapping equipment 4 and booster fan 5；Regenerator section includes regenerator 2, hot-blast stove 6, cooling blower 7 and recovery of chemical products device 8.It absorbs
Section is connected with regenerator section by material delivery pipe road, and pending flue gas is sent by booster fan 5 in system, into the cigarette of system
Gas completes desulphurization denitration dedusting via the material processing set in absorption tower 1, and liquefied ammonia station 3 provides liquefied ammonia to absorption tower 1.After processing
Clean flue gas by 4 discharge system of smoke discharging device.Absorber portion completes that treated that material is conveyed by material delivery pipe road
To regenerator section, the regenerator 2 in regenerator section carries out the material from absorber portion desorption and regeneration, first by cooling blower 7 in tower
Material cools down, and is allowed to identical with the temperature of charge in absorption tower by 6 improving material temperature of hot-blast stove after the completion of processing, then via object
Absorber portion is sent on material conveying tube road back to, forms complete cycle.The change production of desorption is carried out subsequently by unified collect of recovery of chemical products device 8
Reason is as discharged or recycling.
For the absorption tower in the embodiment of Fig. 1, the present invention provides a variety of different preferred embodiments.Refer to lower section
Embodiment and Fig. 2-Fig. 4.
Referring to Fig. 2, Fig. 2 is the structure diagram on the absorption tower that a preferred embodiment of the present invention provides.The present invention's
In one preferred embodiment, longitudinal working space being divided by partition plate is provided in the tower body on absorption tower 1.Working space every
Flue is formed between the inner wall of plate and the tower body on absorption tower 1.Ammonia-gas spraying device 106 is provided in the flue of the one side of tower body 1.In this reality
It applies in example, ammonia-gas spraying device 106 is ammonia-spraying grid, and those skilled in the art also can select other suitably to fill according to actual needs
It puts.It is filled in working space by material, forms material bed 105.The tower body on absorption tower 1 be provided with air inlet 101, gas outlet 102,
Feed inlet 103 and discharge port 104, air inlet 101 are arranged at the lower part of tower body, and gas outlet 102 is arranged at the top of tower body.Charging
Mouth 103 is arranged at the top of tower body, and discharge port 104 is arranged at the bottom of tower body.Feed inlet 103 and discharge port 104 directly connect
Lead to filled with material bed 105 working space.The working space of the tower body on absorption tower 1 is provided with multiple perforated baffles 107, and more
A perforated baffle 107 is only located at working space lower part, and maximum height is consistent with 101 maximum height of air inlet, and by working space
Lower part is longitudinally divided into three layers.Those skilled in the art can be divided into fewer or more numbers of plies, porous barrier according to actual needs
Height can also make choice according to actual needs.Air inlet 101 and gas outlet 102 may be contained within being not provided with ammonia-gas spraying device
In 106 flue, and connect filled with material bed 105 working space.In each flue top and bottom and working space
It is provided with flow field homogeneity and mixing uniformity that airflow uniform distribution device (not shown) ensures flue gas and ammonia.
In the tower body of the present embodiment, internal flow approximately as：With reference to the arrow direction in figure 2, sent by booster fan 5
The flue gas for entering absorption tower 1 enters from air inlet 101 in 1 tower body of absorption tower, enters working space by flue.In working space
Interior, material enters from feed inlet 103, fills and forms material bed 105, since gravity moves downward naturally in tower body.
Different three layers of horizontal breadth are separated by porous barrier due to material bed 105, thus can be complete via material in different layerings
Into dedusting, absorption desulfurization and absorption denitrification process.Specifically, flue gas is when through material bed 105, due to the knot of competitive Adsorption
Fruit is that dust granule is adsorbed first, followed by SO2The absorption (absorption desulfurization) of gas is that the absorption of nitrogen oxides (is inhaled again
Attached denitration).Flue gas enters the flue where ammonia-gas spraying device 106 afterwards, and tower body top is gradually risen to along flue.Ammonia-gas spraying device
Liquefied ammonia station 3 outside 106 connection tower bodies, provides liquefied ammonia by liquefied ammonia station 3, ammonia-gas spraying device 106 is sprayed into after being atomized by ammonia-gas spraying device 106
Place flue mixes in flue with from material bed 105 flue gas, remaining NO not to be adsorbed in flue gasxWith the ammonia of atomization
Mixing.After mixed gas rises naturally along flue, at the top of tower body it is secondary into working space material bed 105.In tower body
Ammonia process reduction denitrification process is completed in material bed the 105 of top.During this, gear is may be provided in the top flue of tower body
Wind partition plate, smoke secondary to be forced to enter material bed 105.Flue gas after the completion of final process discharges tower body via gas outlet 102,
Again by smoke discharging device discharge system.Completed in tower body lower part the material of every absorption by tower body bottom discharge port 104 into
Enter material delivery pipe road, be delivered to regenerator section and carry out regeneration treatment.
In the present embodiment, the tower body size on absorption tower 1 is long 2m, width 4m, high 8m, can handle exhaust gas volumn as 6500Nm3/
h.Material bed 105 horizontal overall thickness be 2m, by material bed each layer thickness that perforated baffle 107 is separated out by from air inlet by near
To remote respectively 20cm, 80cm and 100cm.Flue width is respectively 1m.
In addition, the present invention also provides the embodiments on some other absorption tower.Referring to Fig. 3, Fig. 3 is the another of the present invention
The structure diagram on the absorption tower that preferred embodiment provides.In the present embodiment, longitudinal direction there are two being set in the tower body on absorption tower 1
The working space being divided by partition plate.It is filled in each working space by material, forms two material bed 105.Two working spaces
Partition plate and absorption tower 1 tower body inner wall between form flue, ammonia-gas spraying device 106 is respectively arranged in each flue.Two operations
Flue is also formed between the partition plate in space.The tower body on absorption tower 1 is provided with air inlet 101, the feed inlet 103 of gas outlet 102, two
With two discharge ports 104, air inlet 101 is arranged at the lower part of tower body, and gas outlet 102 is arranged at the top of tower body.Air inlet 101
And gas outlet 102 may be contained within the flue between two working spaces, and connect two working spaces.Two feed inlet difference
103 are arranged at the top of tower body, and two discharge ports 104 are respectively arranged at the bottom of tower body, each a corresponding working space.Two
A feed inlet 103 is directly connected with two discharge ports 104 filled with material bed 105 working space.The tower body on absorption tower 1
Two working spaces are provided with multiple perforated baffles 107, and multiple perforated baffles 107 are only located at working space lower part, and highest is high
Degree is consistent with 101 maximum height of air inlet, and working space lower part is longitudinally divided into three layers.Those skilled in the art can be according to reality
Border needs to be divided into fewer or more numbers of plies, and the height of porous barrier can also make choice according to actual needs.This field skill
Art personnel can be divided into fewer or more numbers of plies according to actual needs.It is all provided at the top and bottom of each flue and in working space
It is equipped with flow field homogeneity and mixing uniformity that airflow uniform distribution device (not shown) ensures flue gas and ammonia.
The flue gas flow of the present embodiment is similar to the above embodiments, differs only in flue gas and enters absorption from intermediate flue
Tower, completes absorption processing in the working space of both sides, and ammonia-gas spraying device sprays into ammonia from the flue of both sides.The flow direction of flue gas can refer to
The direction of arrow in Fig. 3.The flue gas that absorption tower 1 is sent by booster fan 5 enters absorption tower from the air inlet 101 of intermediate flue
In 1 tower body, working space is entered by flue, is divided into material bed the 105 of three layers through by partition plate.Due to the knot of competitive Adsorption
Fruit is that dust granule is adsorbed first in three layers be separated out are material bed, followed by SO2The absorption (absorption desulfurization) of gas,
It is the absorption (absorption denitration) of nitrogen oxides again.Flue gas enters the flue where the ammonia-gas spraying device 106 of both sides afterwards, along flue
Gradually rise to tower body top.Ammonia-gas spraying device 106 connects the liquefied ammonia station 3 outside tower body, liquefied ammonia is provided by liquefied ammonia station 3, by spray ammonia
Device 106 sprays into 106 place flue of ammonia-gas spraying device after being atomized, and is mixed in flue with from material bed 105 flue gas, in flue gas
Remaining NO not to be adsorbedXIt is mixed with the ammonia of atomization.It is secondary into work at the top of tower body after mixed gas rises naturally along flue
Material bed 105 in industry space.The remaining NO not to be adsorbed in material bed the 105 of tower body topXIt meets with the ammonia of penetrating mixed
It closes, completes ammonia process reduction denitrification process.Flue gas after the completion of final process discharges tower via the gas outlet 102 of intermediate flue
Body, then by smoke discharging device discharge system.Compared with above-described embodiment, single air inlet provides flue gas by two working spaces
Processing is carried out at the same time, improves operating efficiency.
In the present embodiment, the tower body size on absorption tower 1 is long 8m, width 4m, high 15m, and can handle exhaust gas volumn is
50000Nm3/h.The horizontal overall thickness of two material bed 105 is 2m, the material bed each thickness being separated out by perforated baffle 107
Degree by from air inlet by closely to far be respectively 15cm, 85cm and 100cm.Flue width between two working spaces is 2m, sprays ammonia
The flue width of both sides where device 106 is 1m.
Except above-mentioned, the present invention also provides the embodiments on some other absorption tower.Referring to Fig. 4, Fig. 4 is the another excellent of the present invention
The structure diagram on the absorption tower of embodiment offer is provided.In the present embodiment, longitudinal direction there are two being set in the tower body on absorption tower 1
The working space being divided by partition plate.It is filled in each working space by material, forms two material bed 105.Two working spaces
Flue is formed between the inner wall of partition plate and the tower body on absorption tower 1.Flue is also formed between the partition plate of two working spaces, in the flue
It is provided with ammonia-gas spraying device 106.There are two the gas outlet 102, two of air inlet 101, two feed inlets for the tower body setting on absorption tower 1
103 and two discharge ports 104, two air inlets 101 be respectively arranged at the lower part of tower body, two gas outlets 102 are arranged at tower body
Top.Two air inlets 101 and two gas outlets 102 are respectively arranged at two flues for being not provided with ammonia-gas spraying device 106, each
A corresponding working space, and directly connect corresponding working space.Two feed inlets, 103 top for being arranged at tower body respectively,
Two discharge ports 104 are respectively arranged at the bottom of tower body, each a corresponding working space.Two feed inlets 103 and two go out
The directly connection of material mouth 104 is filled with material bed 105 working space.Two working spaces of the tower body on absorption tower 1 are provided with
Multiple perforated baffles 107, and multiple perforated baffles 107 are only located at working space lower part, maximum height is maximum high with air inlet 101
Degree is consistent, and working space lower part is longitudinally divided into three layers.Those skilled in the art can be divided into according to actual needs it is less or
More numbers of plies, the height of porous barrier can also make choice according to actual needs.Those skilled in the art can be according to actual need
It is divided into fewer or more numbers of plies.Airflow uniform distribution device is both provided at the top and bottom of each flue and in working space
(not shown) ensures the flow field homogeneity and mixing uniformity of flue gas and ammonia.
Flue gas flow in the absorption tower of the present embodiment is similar to the above embodiments, differs only in ammonia-gas spraying device 106 and sets
It puts in the flue between two working spaces, ammonia is provided from an ammonia-gas spraying device 106 to the working space of both sides；And air inlet
101 and gas outlet 102 be arranged in the flue of both sides.The flow direction of flue gas can refer to the direction of arrow in Fig. 4.By booster fan 5
The flue gas for being sent into absorption tower 1 enters from the air inlet 101 of the flue of both sides in 1 tower body of absorption tower, enters operation sky by flue
Between, it is divided into material bed the 105 of three layers through by partition plate.It is first since competitive Adsorption is as a result, in three layers of material 105 of separation
Dust granule was adsorbed before this, followed by SO2The absorption (absorption desulfurization) of gas is that the absorption of nitrogen oxides (is adsorbed de- again
Nitre).Flue gas enters the flue where intermediate ammonia-gas spraying device 106 afterwards, and tower body top is gradually risen to along flue.Ammonia-gas spraying device
Liquefied ammonia station 3 outside 106 connection tower bodies, provides liquefied ammonia by liquefied ammonia station 3, ammonia-gas spraying device 106 is sprayed into after being atomized by ammonia-gas spraying device 106
Place flue mixes in flue with from material bed 105 flue gas, remaining NO not to be adsorbed in flue gasXWith the ammonia of atomization
Mixing.After mixed gas rises naturally along flue, at the top of tower body it is secondary into working space material bed 105.In tower body
Ammonia process reduction denitrification process is completed in material bed the 105 of top.Flue gas going out via the flue of both sides after the completion of final process
Gas port 102 discharges tower body, then by smoke discharging device discharge system..It will not be described here.Compared with above-described embodiment, one
Tower body can handle the flue gas of two separate sources simultaneously, internal material bed 105 layering horizontal breadth can according to actual needs into
Row adjustment.For example, in the present embodiment, by material bed each layer thickness that perforated baffle 107 is separated out by from air inlet by closely extremely
Far, one side 25cm, 85cm and 90cm, opposite side 15cm, 95cm, 90cm.
In some embodiments of the invention, the length of the tower body of the tower body on absorption tower can be 2m-9m, and width can be 3m-
8m highly can be 8m-30m.
In some embodiments of the invention, material bed horizontal overall thickness can be 1m-3m, be preferably 1.5m-2.5m.
In some embodiments of the invention, be divided into three layers material bed, from close to air inlet to principle air inlet side
Upwards, which may respectively be 30cm, 70cm and 100cm or respectively 20cm, 80cm and 100cm or is respectively
15cm、85cm、100cm。
In some embodiments of the invention, the aperture in the hole of multiple perforated baffles need to be less than the aperture of material.Aperture is small
In 6mm.The percent opening of perforated baffle is 35%-45%.
In an embodiment of the present invention, material can be that activated carbon, activated coke, cylindric solid catalyst or graininess are consolidated
Body catalyst is preferably activated carbon.
It is the data range of choice of embodiment provided by the present invention above, not limiting the present invention, this field skill
Art personnel can make choice suitable specification data according to actual needs.
Flue gas desulfurization denitration dust-removing integrated processing method, cigarette are carried out using above-mentioned absorption tower the present invention also provides a kind of
Desulfurization denitration dust collecting step is completed in an absorption tower, and wherein absorption tower is the absorption as described above for being used for fume treatment
Tower 1.Flue gas enters absorption tower 1 from lower part, is taken off in 1 lower part of absorption tower by the material bed 105 completion physics in an absorption tower 1
Sulphur denitration dust collecting process is mixed with the ammonia of atomization in a flue on absorption tower 1 and risen at the top of absorption tower, leads to again afterwards
It crosses material bed 105 and completes ammonia process reduction denitrification process, final self-absorption tower top discharge.
It is above the absorption tower provided by the present invention for fume treatment and some using its smoke processing system
Embodiment passes through the explanation of embodiment, it is believed that those skilled in the art can understand technical scheme and its running is former
Reason.However these are only the preferred embodiment of the present invention, not the present invention is any limitation as.Those skilled in the art can be according to reality
Border demand is appropriately modified technical solution provided by the present invention, makes an amendment and equivalent transformation is wanted all without departing from the present invention
Seek the scope of protection.Present invention interest field claimed, when being subject to appended claims.
Claims (10)
1. a kind of absorption tower for fume treatment, applied to the dust removal integrated processing system of desulphurization denitration, wherein：
Longitudinal working space being divided by partition plate is provided in the tower body on the absorption tower；The partition plate of the working space and institute
It states and forms flue between the inner wall of the tower body on absorption tower；It is filled, is formed material bed by material in the working space；The tower body
Ammonia-gas spraying device is provided in the flue of one side；It is both provided at the top and bottom of each flue and in the working space
Airflow uniform distribution device ensures the flow field homogeneity and mixing uniformity of flue gas and ammonia；
The tower body is provided with air inlet, gas outlet, inlet port and outlet port, and the air inlet is arranged under the tower body
Portion, the gas outlet are arranged at the top of the tower body, and the feed inlet is arranged at the top of the tower body, and the discharge port is set
It is placed in the bottom of the tower body；The air inlet and the gas outlet may be contained within being not provided with the flue of ammonia-gas spraying device
It is interior, and connect the working space；
The working space of the tower body on the absorption tower is provided with multiple perforated baffles, and the working space is longitudinally divided into multilayer；
The multiple perforated baffle is provided only on the lower part of the tower body on the absorption tower.
2. a kind of absorption tower for fume treatment, applied to the dust removal integrated processing system of desulphurization denitration, wherein：
The working space being divided by partition plate of longitudinal direction there are two being set in the tower body on the absorption tower；In each working space
It is filled, is formed material bed by material；The tower body between the two working spaces and working space and the absorption tower
Inner wall between form flue；Ammonia-gas spraying device is respectively arranged in the flue on the outside of absorption tower；Each flue
Airflow uniform distribution device is respectively arranged in top and bottom and the working space to ensure that the flow field of flue gas and ammonia is homogeneous
Property and mixing uniformity；
The tower body on the absorption tower is provided with air inlet, gas outlet, two feed inlets and two discharge ports, and the air inlet is set
In the lower part of the tower body, the gas outlet is arranged at the top of the tower body；Two feed inlets are respectively arranged at described
The top of tower body, two discharge ports are respectively arranged at the bottom of the tower body, each a corresponding working space；It is described into
Gas port and the gas outlet may be contained within the flue between two working spaces, and it is empty to be respectively communicated with the operation
Between；
The working space of the tower body on the absorption tower is provided with multiple perforated baffles, and the working space is longitudinally divided into multilayer；
The multiple perforated baffle is provided only on the lower part of the tower body on the absorption tower.
3. a kind of absorption tower for fume treatment, applied to the dust removal integrated processing system of desulphurization denitration, wherein：
The working space being divided by partition plate of longitudinal direction there are two being set in the tower body on the absorption tower；In each working space by
Material is filled, and is formed material bed；The tower body between the two working spaces and working space and the absorption tower
Flue is formed between inner wall；Ammonia-gas spraying device is provided in the flue between two working spaces；Each flue
Airflow uniform distribution device is respectively arranged in top and bottom and the working space to ensure that the flow field of flue gas and ammonia is homogeneous
Property and mixing uniformity；
The tower body on the absorption tower is provided with multiple air inlets, multiple gas outlets, inlet port and outlet port, multiple air inlets
The lower part of the tower body is arranged at, multiple gas outlets are arranged at the top of the tower body, and the feed inlet is arranged at described
The top of tower body, the discharge port are arranged at the bottom of the tower body；Multiple air inlets and multiple gas outlets are all provided with
The flue for being not provided with ammonia-gas spraying device is placed in, and is respectively communicated with the working space；
The working space of the tower body on the absorption tower is provided with multiple perforated baffles, and the working space is longitudinally divided into multilayer；
The multiple perforated baffle is provided only on the lower part of the tower body on the absorption tower.
4. the absorption tower for fume treatment as any one of claim 1-3, wherein, the multiple perforated baffle will
The lower part of the working space is longitudinally divided into three layers；The height of the multiple perforated baffle and the maximum height one of the air inlet
It causes.
5. the absorption tower of fume treatment is used for as claimed in claim 4, wherein, the material bed horizontal overall thickness is 1m-3m.
6. the absorption tower for fume treatment as any one of claim 1-3, wherein, it is described material bed by described more
A perforated baffle is divided into three layers, from close to the air inlet to away from the air inlet direction, horizontal breadth be respectively 30cm,
70cm and 100cm or respectively 20cm, 80cm and 100cm or respectively 15cm, 85cm, 100cm.
7. the absorption tower for fume treatment as any one of claim 1-3, wherein, the multiple perforated baffle
Aperture is less than the aperture of the material；The aperture is less than 6mm；The percent opening of the perforated baffle is 35%-45%.
8. the absorption tower for fume treatment as any one of claim 1-3, wherein, the material is work
Property charcoal, activated coke, cylindric solid catalyst or particulate solid catalyst.
9. a kind of smoke processing system, including absorber portion and regenerator section, wherein：
The absorber portion is connected with the regenerator section by material delivery pipe road, into system flue gas via in the absorber portion
Desulphurization denitration dedusting is completed after the material processing of setting；The absorber portion completes that treated, and material passes through the material delivery pipe
Road is delivered to the regenerator section, and the regenerator section carries out desorption and regeneration to the material from the absorber portion, then via the object
The absorber portion is sent on material conveying tube road back to, forms complete cycle；
The absorber portion includes the absorption tower as any one of claim 1-3.
10. a kind of flue gas desulfurization denitration dust-removing integrated processing method, the flue gas desulfurization denitration dust-removing step is in an absorption
It is completed in tower, wherein：
The absorption tower is the absorption tower for fume treatment as any one of claim 1-3；
The flue gas passes through material bed in the once absorption tower from lower part into the absorption tower in the absorption tower lower part
Physical desulfurization denitration dust collecting process is completed, is mixed afterwards in a flue on the absorption tower with the ammonia of atomization and rises to absorption
Top of tower reduces denitrification process, final self-absorption tower top discharge again by the material bed ammonia process of completing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711367212.3A CN108043202A (en) | 2017-12-18 | 2017-12-18 | For the absorption tower of fume treatment and using its smoke processing system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711367212.3A CN108043202A (en) | 2017-12-18 | 2017-12-18 | For the absorption tower of fume treatment and using its smoke processing system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110368787A (en) * | 2019-07-24 | 2019-10-25 | 无锡市道格环保科技有限公司 | A kind of ozone denitration injection evenly mixing device |
| CN111871177A (en) * | 2020-07-30 | 2020-11-03 | 中国科学院过程工程研究所 | Modular flue gas desulfurization and denitrification purification system and purification method adopting same |
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| CN106693603A (en) * | 2015-11-13 | 2017-05-24 | 中冶长天国际工程有限责任公司 | Activated carbon method flue gas cleaning device and flue gas cleaning method |
| CN107469561A (en) * | 2017-09-19 | 2017-12-15 | 中国科学院过程工程研究所 | A kind of gas cleaning absorption tower and its processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106693603A (en) * | 2015-11-13 | 2017-05-24 | 中冶长天国际工程有限责任公司 | Activated carbon method flue gas cleaning device and flue gas cleaning method |
| CN107469561A (en) * | 2017-09-19 | 2017-12-15 | 中国科学院过程工程研究所 | A kind of gas cleaning absorption tower and its processing method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110368787A (en) * | 2019-07-24 | 2019-10-25 | 无锡市道格环保科技有限公司 | A kind of ozone denitration injection evenly mixing device |
| CN110368787B (en) * | 2019-07-24 | 2021-08-06 | 无锡市道格环保科技有限公司 | Ozone denitration sprays mixing device |
| CN111871177A (en) * | 2020-07-30 | 2020-11-03 | 中国科学院过程工程研究所 | Modular flue gas desulfurization and denitrification purification system and purification method adopting same |
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Application publication date: 20180518 |