CN110433594B - Desulfurization and denitrification reaction tower for environmental protection flue gas treatment - Google Patents
Desulfurization and denitrification reaction tower for environmental protection flue gas treatment Download PDFInfo
- Publication number
- CN110433594B CN110433594B CN201910864138.9A CN201910864138A CN110433594B CN 110433594 B CN110433594 B CN 110433594B CN 201910864138 A CN201910864138 A CN 201910864138A CN 110433594 B CN110433594 B CN 110433594B
- Authority
- CN
- China
- Prior art keywords
- partition plate
- reaction tower
- reaction
- fixedly arranged
- tower body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 133
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 13
- 230000023556 desulfurization Effects 0.000 title claims abstract description 13
- 239000003546 flue gas Substances 0.000 title claims abstract description 13
- 230000007613 environmental effect Effects 0.000 title claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 106
- 238000005192 partition Methods 0.000 claims abstract description 84
- 239000007921 spray Substances 0.000 claims abstract description 56
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 39
- 238000012856 packing Methods 0.000 claims abstract description 20
- 238000004062 sedimentation Methods 0.000 claims description 26
- 238000007664 blowing Methods 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 46
- 239000002912 waste gas Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 17
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000006731 degradation reaction Methods 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 239000000945 filler Substances 0.000 description 7
- 239000013049 sediment Substances 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
-
- 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
- B01D53/77—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
- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a reaction tower for desulfurization and denitrification environment-friendly flue gas treatment, and particularly relates to the technical field of spray towers, which comprises a reaction tower body, wherein a first partition plate is fixedly arranged at the bottom of the reaction tower body, a communicating pipe is fixedly arranged on the surface of the first partition plate, an air inlet pipe is fixedly connected to the surface of the reaction tower body at one side of the first partition plate, a second partition plate is arranged at the top of the first partition plate and is fixedly connected with the reaction tower body, an air duct is fixedly arranged between the first partition plate and the second partition plate, and a reaction spray header is fixedly arranged at the bottom surface of the second partition plate; lime water is filled at the bottom of the reaction tower body. The invention is convenient for the flow of the waste gas through the communicating pipe and the air duct, is convenient for the oxidation reaction of the waste gas and lime water, improves the contact surface of water and gas by utilizing the packing layer, has good waste gas reaction effect, is convenient for the degradation and purification of the subsequent gas, and improves the gas treatment effect.
Description
Technical Field
The invention relates to the technical field of spray towers, in particular to a reaction tower for desulfurization and denitrification environment-friendly flue gas treatment.
Background
The acid mist waste gas is led into the purifying tower through the air pipe, is subjected to gas-liquid two-phase full contact absorption neutralization reaction through the packing layer, and is discharged into the atmosphere through the fan after being dehydrated and defogged through the defogging plate after being purified.
The existing spray tower can only perform simple spray operation on gas, gas rainwater can not perform good contact, gas and water can not perform good contact reaction, and gas treatment effect is affected.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides the reaction tower for desulfurization and denitrification environment-friendly flue gas treatment, which is convenient for the flow of waste gas through the communicating pipe and the air duct, is convenient for the oxidation reaction of the waste gas and lime water, improves the contact surface of water and gas by utilizing the packing layer, has good waste gas reaction effect, is convenient for the degradation and purification of subsequent gas, and improves the gas treatment effect, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the reaction tower for desulfurization and denitrification environment-friendly flue gas treatment comprises a reaction tower body, wherein a first partition plate is fixedly arranged at the bottom of the reaction tower body, a communicating pipe is fixedly arranged on the surface of the first partition plate, an air inlet pipe is fixedly connected to the surface of the reaction tower body on one side of the first partition plate, a second partition plate is arranged at the top of the first partition plate, the second partition plate is fixedly connected with the reaction tower body, an air guide pipe is fixedly arranged between the first partition plate and the second partition plate, and a reaction spray head is fixedly arranged at the bottom end surface of the second partition plate;
lime water is filled at the bottom of the reaction tower body, an air blowing head is fixedly arranged at the bottom end surface of the reaction tower body, an air pipe is fixedly connected to the bottom of the air blowing head, an air pump is fixedly arranged at one end of the air pipe, and the air pump is arranged at one side of the bottom of the reaction tower body;
the top of the second partition plate is provided with a third partition plate which is fixedly connected with the reaction tower body, the bottom end surface of the third partition plate is fixedly provided with a first clear water spray header, the top end of the air duct is fixedly provided with a rain cap, and one side of the second partition plate is fixedly provided with a first clear water calandria;
a packing layer is placed on the top surface of the third partition plate, a ventilation insertion pipe is fixedly arranged on the surface of the third partition plate, a first demister is arranged at the top of the packing layer, a second demister is arranged at the top of the first demister, the first demister and the second demister are fixedly connected with the reaction tower body, a second clear water spray header is fixedly arranged at the bottom of the first demister, and a second clear water drain pipe is fixedly arranged at one side of the bottom of the packing layer;
the top of the reaction tower body is fixedly provided with an impeller, and the top of the impeller is fixedly connected with an air outlet pipe.
In a preferred embodiment, the bottom end of the communicating pipe extends into lime water contained in the bottom of the reaction tower body, the extending length is set to be 10cm, and the top end of the communicating pipe is flush with the surface of the second partition plate.
In a preferred embodiment, the bottom of the air duct penetrates through the first partition plate, the top of the air duct penetrates through the second partition plate, the top end of the air duct extends out of the top end face of the second partition plate, the extending length is set to be 20cm, and the air duct and the communicating pipe are arranged in a staggered mode.
In a preferred embodiment, the rain hat is conical in shape, the top end of the air duct extends into the rain hat, and air outlets are formed in two sides of the air duct.
In a preferred embodiment, the packing layer is made of an inert solid particulate material and the vent cannula extends into the interior of the packing layer.
In a preferred embodiment, the number of the reaction spray heads is multiple, a sedimentation tank is fixedly arranged on one side of the reaction tower body, a reaction water tank is fixedly arranged on one side of the sedimentation tank, a first conveying pump is fixedly arranged in the reaction water tank, and a reaction water inlet pipe is fixedly connected between the output of the first conveying pump and the reaction spray heads.
In a preferred embodiment, the top end of the sedimentation tank is communicated with the top end of the reaction water tank, and a connecting pipe is fixedly arranged between the sedimentation tank and the bottom of the reaction tower body.
In a preferred embodiment, a clean water tank is fixedly arranged on one side of the reaction water tank, a second conveying pump is fixedly arranged in the clean water tank, the number of the first clean water spray heads and the number of the second clean water spray heads are multiple, and clean water guide pipes are fixedly connected between the first clean water spray heads, the second clean water spray heads and the second conveying pump.
The invention has the technical effects and advantages that:
1. according to the invention, the exhaust gas is conveyed between the first partition plate and the second partition plate through the air inlet pipe, the exhaust gas is sprayed and dedusted by the reaction spray header, the exhaust gas and water enter lime water arranged at the bottom of the reaction tower body through the communicating pipe, the exhaust gas reacts with hydroxide in the lime water, and meanwhile, the air in the lime water is blown by the air blowing header, so that the reaction efficiency is improved, the reacted gas is conveyed to the top of the second partition plate through the air guide pipe, then the first clear water spray header is utilized to spray clear water, the subsequent gas is recycled to enter the filler layer at the top of the third partition plate through the ventilation insertion pipe, meanwhile, the second clear water spray header is utilized to spray clear water again, the contact surface of the gas and clear water is enlarged by the filler layer, so that the contact surface of the gas and clear water is uniformly mixed, the gas treatment effect is improved, and the subsequent gas defogging is carried out by the first defogger and the second defogger, so that the exhaust gas reaction effect is good, the degradation and purification of the subsequent gas are convenient, and the gas treatment effect is improved compared with the existing spray reaction tower;
2. according to the invention, the bottom of the reaction tower body is connected with the sedimentation tank by the connecting pipe through the sedimentation tank and the reaction water tank, so that the treatment of the sediment generated by the reaction of calcium hydroxide and carbon dioxide in lime water is facilitated, the water after the sedimentation treatment is conveniently separated by the cooperation of the reaction water tank top and the sedimentation water tank top, the reuse of the reaction water is facilitated, the proportioning of lime water is also facilitated, and the water is saved.
Drawings
Fig. 1 is an overall schematic of the present invention.
Fig. 2 is a schematic view of the portion a of fig. 1 according to the present invention.
Fig. 3 is a schematic view of the portion B of fig. 1 according to the present invention.
Fig. 4 is a schematic top view of the rain cap of the present invention.
Fig. 5 is a schematic side cross-sectional view of the rain cap of the invention.
Fig. 6 is an overall schematic view of the rain cap of the present invention.
Fig. 7 is a schematic top view of the air head of the present invention.
The reference numerals are: the reaction tower comprises a reaction tower body, a first partition plate 2, a communication pipe 3, an air inlet pipe 4, a second partition plate 5, an air guide pipe 6, a reaction spray header 7, an air blowing head 8, an air guide pipe 9, an air pump 10, a third partition plate 11, a first clear water spray header 12, a rain cap 13, a first clear water drain pipe 14, a packing layer 15, a ventilation cannula 16, a first demister 17, a second demister 18, a second clear water spray header 19, a second clear water drain pipe 20, an impeller 21, an air outlet pipe 22, an air outlet hole 23, a sedimentation tank 24, a reaction water tank 25, a first conveying pump 26, a reaction water inlet pipe 27, a connection pipe 28, a clear water tank 29, a second conveying pump 30 and a clear water guide pipe 31.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a reaction tower for desulfurization and denitrification environment-friendly flue gas treatment, which is shown in figures 1-7, and comprises a reaction tower body 1, wherein a first partition plate 2 is fixedly arranged at the bottom of the reaction tower body 1, a communicating pipe 3 is fixedly arranged on the surface of the first partition plate 2, an air inlet pipe 4 is fixedly connected to the surface of the reaction tower body 1 at one side of the first partition plate 2, a second partition plate 5 is arranged at the top of the first partition plate 2, the second partition plate 5 is fixedly connected with the reaction tower body 1, an air duct 6 is fixedly arranged between the first partition plate 2 and the second partition plate 5, and a reaction spray header 7 is fixedly arranged at the bottom end surface of the second partition plate 5;
lime water is filled at the bottom of the reaction tower body 1, an air blowing head 8 is fixedly arranged at the bottom end surface of the reaction tower body 1, an air pipe 9 is fixedly connected to the bottom of the air blowing head 8, an air pump 10 is fixedly arranged at one end of the air pipe 9, and the air pump 10 is arranged at one side of the bottom of the reaction tower body 1;
the top of the second partition plate 5 is provided with a third partition plate 11, the third partition plate 11 is fixedly connected with the reaction tower body 1, a first clear water spray header 12 is fixedly arranged on the bottom end surface of the third partition plate 11, a rain cap 13 is fixedly arranged on the top end of the air duct 6, and a first clear water discharge pipe 14 is fixedly arranged on one side of the second partition plate 5;
a packing layer 15 is placed on the top end surface of the third partition plate 11, a ventilation insertion pipe 16 is fixedly arranged on the surface of the third partition plate 11, a first demister 17 is arranged at the top of the packing layer 5, a second demister 18 is arranged at the top of the first demister 17, the first demister 17 and the second demister 18 are fixedly connected with the reaction tower body 1, a second clear water spray header 19 is fixedly arranged at the bottom of the first demister 17, and a second clear water drain pipe 20 is fixedly arranged at one side of the bottom of the packing layer 15;
the top of the reaction tower body 1 is fixedly provided with an impeller 21, and the top of the impeller 21 is fixedly connected with an air outlet pipe 22.
Further, the bottom end of the communicating pipe 3 stretches into lime water in the bottom of the reaction tower body 1, the stretching length is set to 10cm, the top end of the communicating pipe 3 is flush with the surface of the second partition plate 2, square gas enters into the lime water, oxidation reaction is facilitated, and the first partition plate 2 is also facilitated to return to the bottom of the reaction tower body 1.
Further, the bottom of the air duct 6 penetrates through the first partition plate 2, the top of the air duct 6 penetrates through the second partition plate 5, the top end face of the second partition plate 5 extends out of the top end of the air duct 6, the extending length is set to 20cm, the air duct 6 and the communicating pipe 3 are arranged in a staggered mode, gas after lime water reaction is conveniently conveyed to the top of the second partition plate 5, and gas clear water is conveniently sprayed.
Further, the rain cap 13 is conical, the top end of the air duct 6 extends into the rain cap 13, and air outlet holes 23 are formed in two sides of the air duct, so that clean water is prevented from entering the air duct 6.
Further, the packing layer 15 is made of inert solid particle materials, the ventilation insertion pipe 16 extends into the packing layer 15, the packing layer 15 increases the contact surface between the gas and the clean water, so that the gas and the clean water are uniformly mixed with each other, and the gas treatment effect is improved.
The implementation mode specifically comprises the following steps: when the reaction tower is used for waste gas treatment, the air inlet pipe 4 conveys waste gas between the first partition plate 2 and the second partition plate 5, the reaction spray header 7 sprays and removes dust on the waste gas, and as lime water sprayed out by the reaction spray header 7, the waste gas reacts with water to generate precipitation, the waste gas and the water enter the lime water arranged at the bottom of the reaction tower body 1 through the communicating pipe 3, the waste gas reacts with hydroxide in the lime water, meanwhile, the air blowing heads 8 blow air in the lime water, a plurality of air blowing heads 8 are arranged, the air blowing heads are uniformly distributed at the bottom of the reaction tower body 1, so that the water is vigorously rolled, the reaction efficiency is improved, the reacted gas is conveyed to the top of the second partition plate 8 through the air guide pipe 6, the first clear water spray header 12 sprays clear water, the subsequent gas enters the filler layer 15 at the top of the third partition plate 11 through the ventilation insertion pipe 16, meanwhile, the second clear water spray header 19 carries out clear water spraying on the gas in the filler layer 15 again, the contact surface of the gas and the clear water is increased, the contact surface of the gas and the clear water is uniformly mixed with each other, the subsequent gas treatment effect is improved, the subsequent demister 17 and the demister 18 carries out the subsequent gas treatment effect, the subsequent demisting effect is improved, and the subsequent gas treatment effect is convenient is improved;
the reaction tower for desulfurization and denitrification environment-friendly flue gas treatment is shown in fig. 1, the number of the reaction spray heads 7 is multiple, a sedimentation tank 24 is fixedly arranged on one side of the reaction tower body 1, a reaction water tank 25 is fixedly arranged on one side of the sedimentation tank 24, a first conveying pump 26 is fixedly arranged in the reaction water tank 25, and a reaction water inlet pipe 27 is fixedly connected between the output of the first conveying pump 26 and the reaction spray heads 7.
Further, the top end of the sedimentation tank 24 is communicated with the top end of the reaction water tank 25, and a connecting pipe 28 is fixedly arranged between the sedimentation tank 24 and the bottom of the reaction tower body 1, so that the sedimentation tank 24 and the reaction water tank 25 are convenient for water to flow, and lime water at the bottom of the reaction tower body 1 is convenient for entering the sedimentation tank 24 for sedimentation operation.
Further, the clean water tank 29 is fixedly arranged on one side of the reaction water tank 25, the second conveying pump 30 is fixedly arranged in the clean water tank 29, the number of the first clean water spray heads 12 and the number of the second clean water spray heads 19 are multiple, and clean water guide pipes 31 are fixedly connected between the first clean water spray heads 12, the second clean water spray heads 19 and the second conveying pump 30, so that the reacted gas can be conveniently sprayed with clean water.
The implementation mode specifically comprises the following steps: when the reaction tower is used, lime water at the bottom of the reaction tower body 1 enters the sedimentation tank 24 by utilizing the connecting pipe 28, lime water sprayed out of the reaction spray header 7 is matched, water circulation flow is realized, calcium hydroxide in the lime water reacts with carbon dioxide to generate sediment to be treated by utilizing the sedimentation tank 24, the lime water after the sediment flows into the reaction water tank 25 from the top end of the sedimentation tank 24, namely, the lime water without sediment enters the reaction water tank 25, the water after the sediment treatment is separated, the first conveying pump 26 is convenient for conveying the reaction water to the reaction spray header 7, namely, the lime water is convenient for recycling of the reaction water, and the lime water is also convenient for proportioning again.
The working principle of the invention is as follows:
referring to the accompanying drawings 1-7 of the specification, when the reaction tower is used for waste gas treatment, the air inlet pipe 4 conveys waste gas between the first partition plate 2 and the second partition plate 5, the reaction spray header 7 sprays and removes dust on the waste gas, the waste gas and water enter lime water arranged at the bottom of the reaction tower body 1 through the communicating pipe 3, the waste gas reacts with hydroxide in the lime water, meanwhile, the air blowing header 8 blows air into the lime water, the reaction efficiency is improved, the reacted gas is conveyed to the top of the second partition plate 8 through the air guide pipe 6, the first clear water spray header 12 sprays clear water, the subsequent gas enters the filler layer 15 at the top of the third partition plate 11 through the ventilation cannula 16, meanwhile, the second clear water spray header 19 sprays clear water again on the gas in the filler layer 15, the filler layer 15 increases the contact surface of the gas and clear water, so that the contact surface of the gas and the clear water are uniformly mixed with each other, the gas treatment effect is improved, the subsequent reutilization of the first demister 17 and the second demister 18 is carried out, the waste gas reaction effect is good, the subsequent gas degradation and purification is facilitated, and the gas treatment effect is improved;
referring to the description figure 1, when the reaction tower is used, lime water at the bottom of the reaction tower body 1 enters the sedimentation tank 24 by using the connecting pipe 28, calcium hydroxide in the lime water reacts with carbon dioxide to generate sediment by using the sedimentation tank 24, the precipitated lime water flows into the reaction water tank 25 from the top end of the sedimentation tank 24, the water after the sediment treatment is separated, the first conveying pump 26 is convenient for conveying the reaction water, namely the lime water, to the reaction spray header 7, the reuse of the reaction water is further facilitated, the lime water is also conveniently proportioned again, and the water is saved.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides a desulfurization denitration environmental protection reaction tower for flue gas treatment, includes reaction tower body (1), its characterized in that: the reaction tower comprises a reaction tower body (1), wherein a first partition plate (2) is fixedly arranged at the bottom of the reaction tower body (1), a communicating pipe (3) is fixedly arranged on the surface of the first partition plate (2), an air inlet pipe (4) is fixedly connected to the surface of the reaction tower body (1) at one side of the first partition plate (2), a second partition plate (5) is arranged at the top of the first partition plate (2), the second partition plate (5) is fixedly connected with the reaction tower body (1), an air guide pipe (6) is fixedly arranged between the first partition plate (2) and the second partition plate (5), and a reaction spray head (7) is fixedly arranged at the bottom end surface of the second partition plate (5);
lime water is filled at the bottom of the reaction tower body (1), an air blowing head (8) is fixedly arranged at the bottom end surface of the reaction tower body (1), an air pipe (9) is fixedly connected to the bottom of the air blowing head (8), an air pump (10) is fixedly arranged at one end of the air pipe (9), and the air pump (10) is arranged at one side of the bottom of the reaction tower body (1);
the top of the second partition plate (5) is provided with a third partition plate (11), the third partition plate (11) is fixedly connected with the reaction tower body (1), a first clear water spray header (12) is fixedly arranged on the bottom end surface of the third partition plate (11), a rain cap (13) is fixedly arranged on the top end of the air duct (6), and a first clear water calandria (14) is fixedly arranged on one side of the second partition plate (5);
the novel reaction tower is characterized in that a packing layer (15) is placed on the top surface of the third partition plate (11), a ventilation insertion pipe (16) is fixedly arranged on the surface of the third partition plate (11), a first demister (17) is arranged at the top of the packing layer (5), a second demister (18) is arranged at the top of the first demister (17), the first demister (17) and the second demister (18) are fixedly connected with the reaction tower body (1), a second clear water spray header (19) is fixedly arranged at the bottom of the first demister (17), and a second clear water calandria (20) is fixedly arranged at one side of the bottom of the packing layer (15);
an impeller (21) is fixedly arranged at the top of the reaction tower body (1), and an air outlet pipe (22) is fixedly connected to the top of the impeller (21);
the bottom end of the communicating pipe (3) stretches into lime water arranged at the bottom of the reaction tower body (1), the stretching length is set to be 10cm, and the top end of the communicating pipe (3) is flush with the surface of the second partition plate (2); the bottom of the air duct (6) penetrates through the first partition plate (2), the top of the air duct (6) penetrates through the second partition plate (5), the top end of the air duct (6) extends out of the top end face of the second partition plate (5), the extending length is set to be 20cm, and the air duct (6) and the communicating pipe (3) are arranged in a staggered mode; the reaction spray heads (7) are arranged in a plurality, a sedimentation tank (24) is fixedly arranged on one side of the reaction tower body (1), a reaction water tank (25) is fixedly arranged on one side of the sedimentation tank (24), a first conveying pump (26) is fixedly arranged in the reaction water tank (25), and a reaction water inlet pipe (27) is fixedly connected between the output of the first conveying pump (26) and the reaction spray heads (7).
2. The reaction tower for desulfurization and denitrification environment-friendly flue gas treatment according to claim 1, which is characterized in that: the rain hat (13) is conical in shape, the top end of the air duct (6) stretches into the rain hat (13), and air outlets (23) are formed in two sides of the air duct.
3. The reaction tower for desulfurization and denitrification environment-friendly flue gas treatment according to claim 1, which is characterized in that: the packing layer (15) is made of inert solid particle materials, and the ventilation cannula (16) stretches into the packing layer (15).
4. The reaction tower for desulfurization and denitrification environment-friendly flue gas treatment according to claim 1, which is characterized in that: the top end of the sedimentation tank (24) is communicated with the top end of the reaction water tank (25), and a connecting pipe (28) is fixedly arranged between the sedimentation tank (24) and the bottom of the reaction tower body (1).
5. The reaction tower for desulfurization and denitrification environment-friendly flue gas treatment according to claim 1, which is characterized in that: the reaction water tank is characterized in that a clean water tank (29) is fixedly arranged on one side of the reaction water tank (25), a second conveying pump (30) is fixedly arranged in the clean water tank (29), the number of the first clean water spray heads (12) and the number of the second clean water spray heads (19) are multiple, and clean water guide pipes (31) are fixedly connected between the first clean water spray heads (12), the second clean water spray heads (19) and the second conveying pump (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910864138.9A CN110433594B (en) | 2019-09-12 | 2019-09-12 | Desulfurization and denitrification reaction tower for environmental protection flue gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910864138.9A CN110433594B (en) | 2019-09-12 | 2019-09-12 | Desulfurization and denitrification reaction tower for environmental protection flue gas treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110433594A CN110433594A (en) | 2019-11-12 |
| CN110433594B true CN110433594B (en) | 2024-03-22 |
Family
ID=68440097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910864138.9A Active CN110433594B (en) | 2019-09-12 | 2019-09-12 | Desulfurization and denitrification reaction tower for environmental protection flue gas treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110433594B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5586517A (en) * | 1978-12-20 | 1980-06-30 | Combustion Eng | Method and apparatus for treating flue gas |
| CN203710845U (en) * | 2014-03-10 | 2014-07-16 | 唐山福海技术开发有限公司 | Dust removal and desulfuration all-in-one washing tower |
| WO2017012557A1 (en) * | 2015-07-21 | 2017-01-26 | 华能国际电力股份有限公司 | High-efficiency gradient hierarchy complex desulfurizing tower |
| CN208553643U (en) * | 2018-06-12 | 2019-03-01 | 无锡艾睿博环保科技有限公司 | A kind of self-cleaning type scrubbing tower circulated sprinkling system |
| CN209060872U (en) * | 2018-09-25 | 2019-07-05 | 山西不冻泉建材有限公司 | A kind of acid waste gas processing equipment with alkali spray column |
| CN211215953U (en) * | 2019-09-12 | 2020-08-11 | 佛山市顺德区东波环保设备有限公司 | Reaction tower for desulfurization and denitrification environment-friendly flue gas treatment |
-
2019
- 2019-09-12 CN CN201910864138.9A patent/CN110433594B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5586517A (en) * | 1978-12-20 | 1980-06-30 | Combustion Eng | Method and apparatus for treating flue gas |
| CN203710845U (en) * | 2014-03-10 | 2014-07-16 | 唐山福海技术开发有限公司 | Dust removal and desulfuration all-in-one washing tower |
| WO2017012557A1 (en) * | 2015-07-21 | 2017-01-26 | 华能国际电力股份有限公司 | High-efficiency gradient hierarchy complex desulfurizing tower |
| CN208553643U (en) * | 2018-06-12 | 2019-03-01 | 无锡艾睿博环保科技有限公司 | A kind of self-cleaning type scrubbing tower circulated sprinkling system |
| CN209060872U (en) * | 2018-09-25 | 2019-07-05 | 山西不冻泉建材有限公司 | A kind of acid waste gas processing equipment with alkali spray column |
| CN211215953U (en) * | 2019-09-12 | 2020-08-11 | 佛山市顺德区东波环保设备有限公司 | Reaction tower for desulfurization and denitrification environment-friendly flue gas treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110433594A (en) | 2019-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201324593Y (en) | Wet ammonia flue gas desulphurization device | |
| CN105169912A (en) | Novel desulphurization device | |
| CN110280105B (en) | Method and device for cooperatively treating acid mist by wet desulfurization of acid making tail gas | |
| CN103657367A (en) | Device and process for changing one-tower calcium desulphurization to double-tower ammonia desulphurization | |
| CN211215953U (en) | Reaction tower for desulfurization and denitrification environment-friendly flue gas treatment | |
| CN110433594B (en) | Desulfurization and denitrification reaction tower for environmental protection flue gas treatment | |
| CN204193780U (en) | A kind of high-efficiency desulfurization absorption tower | |
| CN210278778U (en) | Industrial purification system for removing sulfide gas | |
| CN201249101Y (en) | Two-stage parallel spray thionizer | |
| CN215208573U (en) | High ammonia wastewater blows system of taking off | |
| CN210645810U (en) | Condensing type desulfurization system | |
| CN210814692U (en) | Flue gas desulfurization is with spraying tympanic bulla tower system | |
| CN205948657U (en) | Desulfurization spraying tower with high -efficient dust removal defogging function | |
| CN205361042U (en) | High -efficient flue gas desulfurization system | |
| CN103657375A (en) | Method and system for removing trace SO2 in tail gas by gas phase oxidation | |
| CN110180373B (en) | Industrial purification system for removing sulfide gas | |
| CN204865512U (en) | Novel desulfurization device | |
| CN211676871U (en) | Environment-friendly cyclone tower | |
| CN210159445U (en) | Industrial waste gas's desulfurization dust collector | |
| CN202751941U (en) | Three-level tail gas purifying tower system device for high-concentration nitrogen oxides | |
| CN2482447Y (en) | dust remover | |
| CN205340555U (en) | Formula of inclining out desulfurizing tower | |
| CN203090739U (en) | Desulfurization absorption tower | |
| CN209155515U (en) | A kind of desulfurizing tower | |
| CN219441221U (en) | Odor treatment system for silicon wafer cutting process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |