CN109260922A - A kind of Novel flue gas desulfurization and denitrification integral tower - Google Patents
A kind of Novel flue gas desulfurization and denitrification integral tower Download PDFInfo
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- CN109260922A CN109260922A CN201811434156.5A CN201811434156A CN109260922A CN 109260922 A CN109260922 A CN 109260922A CN 201811434156 A CN201811434156 A CN 201811434156A CN 109260922 A CN109260922 A CN 109260922A
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- denitration
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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
- 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
- B01D53/60—Simultaneously removing sulfur oxides and 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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- Environmental & Geological Engineering (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Treating Waste Gases (AREA)
Abstract
The present invention is a kind of Novel flue gas desulfurization and denitrification integral tower, including tower body and the exhaust pass being set at the top of the gas approach and tower body of tower body lower part, the tower body is disposed with desulfurization zone, gas redistributor, tower tray, denitration region, demister along smoke movement direction, the tower body bottom is provided with circulatory pool, the desulfurization zone includes the desulfurization spray equipment and desulfurization pump that several are fixed on the tower body inner wall, and the entrance of the desulfurization pump is connect with circulatory pool.There are two the circulatory systems for present invention setting, use desulfurizing agent and denitrfying agent that can increase the effect of desulphurization denitration respectively in desulfurization zone and denitration region, integrated high efficiency flue gas desulfurization and denitrification can be carried out, the industrial smoke for adapting to atm number is administered, and occupation area of equipment is reduced.
Description
Technical field
The present invention relates to fume treatment fields, and in particular to wet process of FGD denitration technology, in particular to it is a kind of novel
Flue gas desulfurization and denitrification Integral tower.
Background technique
Currently, the equipment overwhelming majority for flue gas desulfurization and denitrification is individually to develop, respective technical system and work are formed
Skill process.But equipped using two sets of independent desulphurization and denitrations, not only entire flue gas purifying equipment is complicated, take up a large area,
Investment and operating cost are high, and independent desulphurization and denitration equipment is combined, and realize that there is also many for comprehensive high-efficiency operation
It is difficult.
CN204816206U discloses a kind of coke oven flue exhuast gas desulfurization denitrification integrated device, sets in the side of reaction tower
There is smoke inlet, is successively arranged desulfurization zone, denitration region, mist eliminating zone above the smoke inlet in reaction tower, reaction tower
Top is equipped with exhanst gas outlet；It is located at below smoke inlet in reaction tower and is set as slurry pool.But spray structure is arranged in its tower
Not enough uniformly, no distribution device in gas-fluid has been easy gas in the broad-minded situation of flue gas and has been unevenly distributed, spraying intensity covering surface
Not comprehensive, the imperfect disadvantage of spraying effect of product, and the position of the ozone throwing device setting of denitration region sprays from denitration and fills
It sets relatively closely, the reaction time is too short, will affect denitration reaction effect, and in addition denitration and desulfurization use the same medicament, does not have
Pharmacy response is discriminatively selected to the different characteristics of denitration and desulphurization reaction, will affect desulphurization denitration W-response effect and
Reagent dosage.
CN202356010U discloses a kind of flue gas desulfurization and denitrification integrated apparatus.Including tower body, the intracavity bottom of tower body
Equipped with liquid material pond, the tower body side-walls suitable for reading in liquid material pond are equipped with gas inlet；Several spray ammonia are equipped in the top of gas inlet
Pipe is equipped with the inverted L-shaped partition that tower body inner cavity is separated into denitration space and desulfurization space in the top of spray ammonia pipe；In denitration space
In be equipped with multi-layer catalyst, the top of every layer of catalyst is equipped with injection tube；More liquid set up and down are set in desulfurization space
Expect that spray tube, every liquid material spray tube are pumped by respective liquid material and interlinked with liquid material pond；The top of liquid material spray tube successively
Equipped with defogging mechanism and washing atomizing spray pipe；Exhanst gas outlet is equipped at the top of tower body.The device is by making flue gas in tower
Introversion turns back and rotates into capable processing, thus is not applied for the processing of the industrial waste gas of atm number, because using catalyst to carry out denitration,
It needs to regularly replace catalyst, this housing structure is complicated, inconvenient maintenance.
In conclusion the prior art lacks a kind of flue gas processing device of efficient process of combination desulphurization denitration.
Summary of the invention
It is an object of the present invention to provide a kind of Novel flue gas desulfurization and denitrification integral towers, in view of the defects existing in the prior art,
The efficient removal of sulfur dioxide in flue gas and nitrogen oxides simultaneously is enabled to, to reach at better flue gas in the confined space
Effect is managed, the desulphurization and denitration efficiency of flue gas and the utilization rate of desulphurization denitration absorbent are effectively improved.Technical solution of the present invention is such as
It is lower described.
A kind of Novel flue gas desulfurization and denitrification integral tower, including tower body and the gas approach and tower body that are set to tower body lower part
The exhaust pass at top, the gas approach tilt down, the height side of the length direction of the gas approach and the tower body
Between at 25-40 ° of angle, the tower body along smoke movement direction be disposed with desulfurization zone, gas redistributor, tower tray,
Denitration region, demister, the tower body bottom are provided with circulatory pool, the desulfurization zone include desulfurization pump and several be fixed on it is described
The outlet of the desulfurization spray equipment of tower body inner wall, the desulfurization pump connect with desulfurization spray equipment, entrance that the desulfurization pumps and
Circulatory pool connection, the denitration region includes denitration pump and several are fixed on the denitration spray equipment of the tower body inner wall, described
The outlet of denitration pump is connect with the denitration spray equipment, and the entrance of the denitration pump is connect with tower tray；
The desulfurization spray equipment be inner hollow flat rectangular body, the flat rectangular body include top surface, bottom surface and
First side, second side, third side, the 4th side, the top surface are removably attached to the tower body by nut
Inner wall, the area equation of the first side and third side, the area equation of second side and the 4th side, first side
Face and the third side are spray face, and the spray face is provided with several desulfurization nozzles, the second side and described the
Four sides are feed liquor face, and the feed liquor face is provided with several inlets, and the inlet is connect with desulfuration spraying tube, described de-
Sulphur spray tube and desulfurization pump connect；
The desulfurization spray equipment is arranged diagonally downward, and the length direction of the spray face is pressed from both sides with tower bottom in 20-50 °
The spray face at angle, the desulfurization spray equipment is oppositely arranged two-by-two, what two adjacent desulfurization spray equipments tilted down
Direction is different, forms trapezoidal shape channel, and the desulfurization spray equipment is identical in the projected area of tower bottom.
The air inlet of the gas approach tilts down, and can prevent spray liquid from entering gas approach and form reflux, can also
So that the liquid of flue gas in flue condensation enters spray head, at 25-40 ° of angle between gas approach and the tower body, guarantee
Liquid will not gather in gas approach.Flue gas is successively by desulfurization zone, gas redistributor, tower tray, denitration region, demister, first
Denitration after desulfurization, since desulfurization spray liquid used is ammonium hydroxide, denitration spray liquid used is sodium hydroxide solution, and two kinds of spray liquids are not
Together, ammonium hydroxide is weaker much than the alkalinity of sodium hydroxide solution, can targetedly first desulfurization, but doctor solution needs to increase flue gas
Contact area, the desulfurization spray equipment of hollow plate, opposing showerhead spray can increase gas liquid interfacial area on a large scale, due to
Nozzle is more, and the nozzle of desulfurization spray equipment bottom has been difficult to enough doctor solutions and has sprayed, therefore by being provided with multiple feed liquors
Mouthful, it is ensured that nozzle can be sprayed normally.The desulfurization spray equipment is arranged diagonally downward, is in 20-50 ° of angle with tower bottom,
It is current for flue gas can to guarantee between adjacent desulfurization spray equipment that there are certain spaces, the desulfurization spray equipment is in tower bottom
Projected area is identical, and the upper projection below to bottom surface is parallel to each other, and space utilization can be made relatively reasonable in this way.Two adjacent
The desulfurization spray equipment downwardly-inclined direction it is different, that is, the spray face of a desulfurization spray equipment is tilted to the left,
So its adjacent desulfurization spray equipment is tilted to the right, and the spacing between spray face is changed stepwise, and forms trapezoidal shape channel, does not advise
Gas flow channel then can change gas flow velocity and pressure will, and then the turbulent flow of flue gas can be increased, promote gas-liquid exchange,
Improve the treatment effeciency of doctor solution.
There are two the circulatory systems for present invention setting, and tower tray can be such that flue gas passes through from bottom to up, and denitration liquid is isolated in tower
Pan bottom, so that denitration liquid circulated sprinkling, forms two treatment regions in a tower body in this way, desulfurization spray liquid used is ammonia
Water, denitration spray liquid used are sodium hydroxide solution, can form the different treatment region of pH, high efficiency can be handled stage by stage.
Present device is simple for structure clear, does not need catalyst, and smoke distribution is uniform in tower, the desulfurization spray equipment of hollow plate and
Denitration spray equipment can farthest increase the contact area of spray liquid and flue gas, improve desulphurization denitration absorbing reaction in tower
Condition, use desulfurizing agent and denitrfying agent that can increase the effect of desulphurization denitration respectively in desulfurization zone and denitration region, can integration into
Row high efficiency flue gas desulfurization and denitrification, the industrial smoke for adapting to atm number are administered, and occupation area of equipment is reduced.
Preferably, the desulfurization spray equipment is provided with two rows, the two rows desulfurization spray equipment is along tower body diameter pair
Claim distribution.It arranges more desulfurization spray equipments, improves processing capacity, the industrial smoke of atm number can be handled, improve dress
The utilization efficiency set.
Preferably, the area ratio in the area of the spray face and the feed liquor face is (5-10): 1, the desulfurization spray
The area of mouth accounts for the 40-70% of the area of the spray face, and the ratio between injection bore of the 4 row desulfurization nozzle is 1:1.03:
1.06:1.1.By practice it is found that flat cuboid, not be it is more flat better, need that enough liquid is kept to supply
Amount, the bore of nozzle successively become larger, and the bore of nozzle above is relatively small, it is ensured that and there are enough spray liquids to flow downward,
And then it can satisfy the amount of injection of all nozzles.
Preferably, the denitration spray equipment includes denitration spray supervisor, denitration spray branch pipe, and it is arranged in denitration
The denitration nozzle on branch pipe is sprayed, the injection direction of the denitration nozzle is contrary with smoke movement.
Preferably, the denitration spray supervisor is vertical with denitration spray branch pipe, between the denitration spray branch pipe
It is parallel to each other, it is that axial symmetry is distributed with denitration spray supervisor, the denitration spray branch pipe is interconnected to form circular spray
Area is drenched, the circular spraying zone area and tower body inner section area ratio are (0.8-0.9): 1.The denitration sprays branch pipe
Form circular spray interface, tower body inner space can be filled up, can effectively improve gas liquid contacting efficiency, promote flue gas into
Row effectively carries out denitration process.
Preferably, denitration spray branch pipe is spiral element, denitration sprays the spiral center of branch pipe and denitration spray is responsible for
Connection, the area and tower body inner section area ratio of the spiral element are (0.8-0.9): 1.Spiral element is filled with tower body
Inner space can effectively improve gas liquid contacting efficiency, and flue gas is promoted to carry out effectively carrying out denitration process.
Preferably, further including that ozone throwing device, the first ozone being connected with ozone throwing device add distributor,
Two ozone add distributor, and first ozone adds distributor and is set in gas approach, and second ozone adds distribution
Device is set between gas redistributor and tower tray, and first ozone adds distributor and second ozone adds distributor
Ozone to add direction contrary with smoke movement.Two step ozone oxidations are devised, the treatment effeciency of flue gas can be improved.
Preferably, the gas redistributor is in mesh-like or circular hole sieve-like.Gas redistributor is fixed in tower
Wall can again rectify flue gas.
Preferably, the tower tray is gas cap tower tray.The gas cap tower tray deepens the depth of liquid collecting bottom plate, to collect spray
Denitrfying agent circulated sprinkling liquid afterwards, referring specifically to CN206343056U.The eddy flow gas cap can make gas lead to from bottom to top
It crosses, and prevents liquid from flowing downward.
Preferably, the demister is one of folded plate demister, mesh mist eliminator, electrostatic precipitator.
Preferably, the circulatory pool is provided with bubbling generator.The bubbling generator can produce bubble, and bubble can
Rise along tower body, not only promotes flue gas turbulent flow, but also the slurries for promoting circulatory pool are uniformly distributed.
The beneficial effects of the present invention are as follows:
(1) there are two the circulatory systems for present invention setting, and tower tray can be such that flue gas passes through from bottom to up, and denitration liquid is isolated in
Tower tray bottom, so that denitration liquid circulated sprinkling, forms two treatment regions in a tower body in this way, desulfurization spray liquid used is ammonia
Water, denitration spray liquid used are sodium hydroxide solution, and two kinds of spray liquid differences can form the different treatment region of pH, Neng Goufen
The processing of stage high efficiency.
(2) the desulfurization spray equipment and denitration spray equipment of the hollow plate of the present invention can farthest increase spray liquid with
The contact area of flue gas improves the condition of desulphurization denitration absorbing reaction in tower, uses desulfurizing agent respectively in desulfurization zone and denitration region
The effect of desulphurization denitration can be increased with denitrfying agent
(3) present device is simple for structure clear, does not need catalyst, and smoke distribution is uniform in tower, can integration progress
High efficiency flue gas desulfurization and denitrification, the industrial smoke for adapting to atm number are administered, and occupation area of equipment is reduced.
Detailed description of the invention
Fig. 1 present apparatus structural schematic diagram；
Fig. 2 desulfurization spray equipment partial enlarged view；
Fig. 3 denitration spray equipment partial enlarged view；
The denitration spray equipment partial enlarged view of another embodiment of Fig. 4.
Appended drawing reference: tower body 1, gas approach 2, ozone throwing device 3, the first ozone add distributor 301, the second ozone
Add distributor 302, circulatory pool 4, desulfurization spray equipment 5, desulfurization nozzle 501, inlet 502, desulfuration spraying tube 503, feed liquor
Face 504, desulfurization pump 6, gas redistributor 7, tower tray 8, denitration spray equipment 9, denitration spray supervisor 901, takes off spray face 505
Nitre sprays branch pipe 902, denitration pumps 10, demister 11, exhaust pass 12.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing:
A kind of Novel flue gas desulfurization and denitrification integral tower, as shown in Figure 1, including tower body 1 and being set to entering for tower body lower part
Exhaust pass 12 at the top of mouthful flue 2 and tower body, the gas approach 2 tilt down, the length direction of the gas approach 2 with
At 25-40 ° of angle between the short transverse of the tower body 1, the tower body 1 along smoke movement direction be disposed with desulfurization zone,
Gas redistributor 7, tower tray 8, denitration region, demister 11, the tower body bottom are provided with circulatory pool 4, and the desulfurization zone includes
Desulfurization pump 6 is fixed on the desulfurization spray equipment 5 of the tower body inner wall with several, and the outlet and desulfurization of the desulfurization pump 6 spray
Device 5 connects, and the entrance of the desulfurization pump 6 is connect with circulatory pool 4, and the denitration region includes denitration pump 10 and several are fixed on
The outlet of the denitration spray equipment 9 of the tower body inner wall, the denitration pump 10 is connect with the denitration spray equipment 9, described de-
The entrance of nitre pump 10 is connect with tower tray 8；
As shown in Fig. 2, the desulfurization spray equipment 5 is the flat rectangular body of inner hollow, the flat rectangular body includes
Top surface, bottom surface and first side, second side, third side, the 4th side, the top surface are removably attached to by nut
The inner wall of the tower body 1, the area equation of the first side and third side, the area phase of second side and the 4th side
It is spray face 505 Deng, the first side and the third side, the spray face is provided with several desulfurization nozzles 501, institute
Stating second side and the 4th side is feed liquor face 504, and the feed liquor face is provided with several inlets 502, the feed liquor
Mouth 502 is connect with desulfuration spraying tube 503, and the desulfuration spraying tube 503 is connect with desulfurization pump 6；
The desulfurization spray equipment 5 is arranged diagonally downward, the length direction of the spray face 505 with tower bottom be in 20-50 °
The spray face 505 of angle, the desulfurization spray equipment 5 is oppositely arranged two-by-two, and two adjacent desulfurization spray equipments 5 are downwards
Inclined direction is different, forms trapezoidal shape channel, and the desulfurization spray equipment 5 is identical in the projected area of tower bottom.
The desulfurization spray equipment 5 is provided with two rows, and the two rows desulfurization spray equipment 5 is distributed along tower body diameter symmetry.
The area ratio in the area of the spray face 505 and the feed liquor face 504 is (5-10): 1, the area of the desulfurization nozzle 501
The 40-70% of the area of the spray face 505 is accounted for, the desulfurization nozzle 501 is supreme in the spray face 505 and is arranged with
4 rows, the ratio between injection bore of the 4 row desulfurization nozzle 501 are 1:1.03:1.06:1.1.
As preferred embodiment, as shown in Figure 3 and Figure 4, the denitration spray equipment 9 include denitration spray supervisor 901,
Denitration sprays branch pipe 902, and the denitration nozzle being arranged on denitration spray branch pipe 902, the injection direction of the denitration nozzle
It is contrary with smoke movement.Preferably, the denitration spray supervisor 901 is vertical with denitration spray branch pipe 902, described de-
It is parallel to each other between nitre spray branch pipe 902, it is distributed with denitration spray supervisor 901 for axial symmetry, the denitration spray branch pipe
It is interconnected to form circular spraying zone, the circular spraying zone area and tower body inner section area ratio are (0.8-
0.9):1.Preferably, denitration spray branch pipe 902 is spiral element, and denitration sprays the spiral center of branch pipe 902 and denitration spray is led
Pipe 901 connects, and the area and tower body inner section area ratio of the spiral element are (0.8-0.9): 1.
It further include ozone throwing device 3, the first ozone being connected with ozone throwing device 3 throwing as preferred embodiment
Distributor 301, the second ozone is added to add distributor 302, first ozone adds distributor 301 and is set in gas approach 2,
Second ozone adds distributor 302 and is set between gas redistributor 7 and tower tray 8, and first ozone adds distribution
It is contrary with smoke movement that the ozone that device 301 and second ozone add distributor 302 adds direction.
As preferred embodiment, desulfurization spray liquid used is ammonium hydroxide, and denitration spray liquid used is sodium hydroxide solution.
As preferred embodiment, the gas redistributor 7 is in mesh-like or circular hole sieve-like.Gas redistributor is solid
It is scheduled on inner wall of tower, flue gas can be rectified again.
As preferred embodiment, the tower tray 8 is gas cap tower tray, and the gas cap tower tray deepens the depth of liquid collecting bottom plate,
To collect the denitrfying agent circulated sprinkling liquid after spray, referring specifically to CN206343056U.
As preferred embodiment, the demister 11 is folded plate demister, mesh mist eliminator, one in electrostatic precipitator
Kind.
As preferred embodiment, the circulatory pool 4 is provided with bubbling generator.The bubbling generator can produce gas
Bubble, bubble can rise along tower body 1, not only promote flue gas turbulent flow, but also the slurries for promoting circulatory pool 4 are uniformly distributed.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to the one of invention
A little modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (10)
1. a kind of Novel flue gas desulfurization and denitrification integral tower, which is characterized in that including tower body and the entrance for being set to tower body lower part
Exhaust pass at the top of flue and tower body, the gas approach tilt down, the length direction of the gas approach and the tower
At 25-40 ° of angle between the short transverse of body, the tower body is disposed with desulfurization zone, gas along smoke movement direction and divides again
Cloth device, tower tray, denitration region, demister, the tower body bottom are provided with circulatory pool, and the desulfurization zone includes desulfurization pump and several
It is fixed on the desulfurization spray equipment of the tower body inner wall, the outlet of the desulfurization pump is connect with desulfurization spray equipment, the desulfurization
The entrance of pump is connect with circulatory pool, and the denitration region includes denitration pump and several are fixed on the denitration spray of the tower body inner wall
The outlet of device, the denitration pump is connect with the denitration spray equipment, and the entrance of the denitration pump is connect with tower tray；
The desulfurization spray equipment is the flat rectangular body of inner hollow, and the flat rectangular body includes top surface, bottom surface and first
Side, second side, third side, the 4th side, the top surface are removably attached to the inner wall of the tower body by nut,
The area equation of the first side and third side, the area equation of second side and the 4th side, the first side and
The third side is spray face, and the spray face is provided with several desulfurization nozzles, the second side and the 4th side
Face is feed liquor face, and the feed liquor face is provided with several inlets, and the inlet is connect with desulfuration spraying tube, the desulfurization spray
Shower pipe and desulfurization pump connect；
The desulfurization spray equipment is arranged diagonally downward, and the length direction and tower bottom of the spray face are in 20-50 ° of angle, described
The spray face of desulfurization spray equipment is oppositely arranged two-by-two, and two adjacent desulfurization spray equipment downwardly-inclined directions are not
Together, trapezoidal shape channel is formed, the desulfurization spray equipment is identical in the projected area of tower bottom.
2. Integral tower according to claim 1, which is characterized in that the desulfurization spray equipment is provided with two rows, described
Two rows of desulfurization spray equipments are distributed along tower body diameter symmetry.
3. Integral tower according to claim 2, which is characterized in that the face of the area of the spray face and the feed liquor face
The ratio between product is (5-10): 1, the area of the desulfurization nozzle accounts for the 40-70% of the area of the spray face, and the desulfurization nozzle exists
Supreme and be arranged with 4 rows in the spray face, the ratio between injection bore of the 4 row desulfurization nozzle is 1:1.03:1.06:1.1.
4. Integral tower according to claim 2 or 3, which is characterized in that the denitration spray equipment includes denitration spray
Supervisor, denitration spray branch pipe, and be arranged in denitration spray branch pipe on denitration nozzle, the injection direction of the denitration nozzle with
Smoke movement is contrary.
5. Integral tower according to claim 4, which is characterized in that the denitration spray supervisor and denitration spray branch
Pipe is vertical, parallel to each other between the denitration spray branch pipe, is that axial symmetry is distributed with denitration spray supervisor, the denitration spray
Leaching branch pipe is interconnected to form circular spraying zone, and the circular spraying zone area is with tower body inner section area ratio
(0.8-0.9):1。
6. Integral tower according to claim 4, which is characterized in that it is spiral element, denitration spray that denitration, which sprays branch pipe,
The spiral center of branch pipe and denitration spray supervisor's connection, area and the tower body inner section area ratio of the spiral element are
(0.8-0.9):1。
7. Integral tower according to claim 5 or 6, which is characterized in that further include ozone throwing device, add with ozone
The first connected ozone of device adds distributor, the second ozone adds distributor, and first ozone adds distributor and is set to
In gas approach, second ozone adds distributor and is set between gas redistributor and tower tray, and first ozone is thrown
It is contrary with smoke movement that the ozone for adding distributor and second ozone to add distributor adds direction.
8. Integral tower according to claim 5 or 6, which is characterized in that the gas redistributor is mesh-like or circle
Hole sieve-like.
9. Integral tower according to claim 5 or 6, which is characterized in that the tower tray is gas cap tower tray.
10. Integral tower according to claim 5 or 6, which is characterized in that the circulatory pool is provided with bubbling generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434156.5A CN109260922A (en) | 2018-11-28 | 2018-11-28 | A kind of Novel flue gas desulfurization and denitrification integral tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434156.5A CN109260922A (en) | 2018-11-28 | 2018-11-28 | A kind of Novel flue gas desulfurization and denitrification integral tower |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479077A (en) * | 2019-09-17 | 2019-11-22 | 上海蓝科石化环保科技股份有限公司 | A kind of ammonia process of desulfurization oxidation unit and method |
| CN110523251A (en) * | 2019-09-24 | 2019-12-03 | 北京中航泰达环保科技股份有限公司 | A kind of system for desulfuration and denitration and method of sintering flue gas circulation joint ozone pre-oxidation |
| CN111467942A (en) * | 2020-04-27 | 2020-07-31 | 广东佳德环保科技有限公司 | Double-tower desulfurization and denitrification system and method with cooperation of ozone oxidation and multistage circulating spraying |
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| CN111467942A (en) * | 2020-04-27 | 2020-07-31 | 广东佳德环保科技有限公司 | Double-tower desulfurization and denitrification system and method with cooperation of ozone oxidation and multistage circulating spraying |
| CN111467943A (en) * | 2020-04-27 | 2020-07-31 | 广东佳德环保科技有限公司 | Single-tower double-cycle desulfurization and denitrification system and method with cooperation of oxidant and ozone oxidation |
| CN112221283A (en) * | 2020-08-20 | 2021-01-15 | 苏州乔发环保科技股份有限公司 | Wet dust collector |
| CN113663489A (en) * | 2021-08-26 | 2021-11-19 | 云南云铜锌业股份有限公司 | Treatment system and method for zinc leaching residue volatilizing kiln tail gas |
| CN114517723A (en) * | 2022-03-03 | 2022-05-20 | 威海市正大环保设备股份有限公司 | Marine desulfurization, denitrification and dedusting integrated device and method |
| CN114432814A (en) * | 2022-03-18 | 2022-05-06 | 安徽隆东家具有限公司 | Exhaust treatment device for furniture paint spraying workshop |
| CN114432814B (en) * | 2022-03-18 | 2023-09-19 | 安徽隆东家具有限公司 | Waste gas treatment device for furniture paint spraying workshop |
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