CN110252134B - Flue gas flue SOx/NOx control equipment of mill - Google Patents
Flue gas flue SOx/NOx control equipment of mill Download PDFInfo
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- CN110252134B CN110252134B CN201910565164.1A CN201910565164A CN110252134B CN 110252134 B CN110252134 B CN 110252134B CN 201910565164 A CN201910565164 A CN 201910565164A CN 110252134 B CN110252134 B CN 110252134B
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- flue gas
- fixedly connected
- pipe
- desulfurization
- heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur 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
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- 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
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (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)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of flue gas purification, and discloses a factory flue gas duct desulfurization and denitrification device which comprises a fixed plate, wherein an absorption tank is fixedly installed on the left side of the upper surface of the fixed plate, an absorber is fixedly connected inside the absorption tank, a heat recoverer is fixedly connected in the middle of the upper surface of the fixed plate, the right side of the absorption tank is fixedly connected with the left side of the heat recoverer through a curved pipe, a reaction tank is fixedly installed inside the heat recoverer, and a heat adsorption device is fixedly connected inside the reaction tank. This flue gas flue SOx/NOx control equipment of mill, the surface through arc siphunculus and gas diffusion pipe all is equipped with the desulfurization catalysis board among the heat adsorption equipment, is convenient for react with the sulphide in the flue gas, and the arc siphunculus sets up to oval passageway and gas diffusion pipe and sets to crooked pipeline, increases the area of contact between flue gas and arc siphunculus and the gas diffusion pipe, makes the desulfurization reaction more abundant, has improved the desulfurated speed of this flue gas flue SOx/NOx control equipment of mill.
Description
Technical Field
The invention relates to the technical field of flue gas purification, in particular to a desulfurization and denitrification device for a factory flue gas duct.
Background
The flue gas desulfurization and denitration technology is a boiler flue gas purification technology applied to the chemical industry of generating multi-nitrogen oxides and sulfur oxides. Nitrogen oxides and sulfur oxides are one of the main sources of air pollution, so the application of the technology has great benefits for purifying the ambient air. Currently known flue gas desulfurization and denitrification technologies include the technologies of PAFP, ACFP, pyrolusite method, electron beam ammonia method, pulse corona method, gypsum wet method, catalytic oxidation method, microbial degradation method and the like.
The existing flue gas duct desulfurization and denitration equipment generally and directly disperses a desulfurization catalyst into flue gas, so that the desulfurization catalyst is not uniformly mixed with the flue gas, and then the flue gas reacts with sulfide in the flue gas incompletely, the reaction efficiency is low, the existing flue gas duct desulfurization and denitration equipment does not have a good waste heat recovery device, the contact area of the flue gas and the waste heat device is small, heat in the flue gas is not convenient to recover, and the waste heat recovery and utilization are poor, so that the factory flue gas duct desulfurization and denitration equipment is provided.
Disclosure of Invention
The invention provides a factory flue gas duct desulfurization and denitrification device which has the advantages of improving the desulfurization speed of the factory flue gas duct desulfurization and denitrification device and facilitating heat recovery and cyclic utilization, and solves the problems in the background art.
In order to achieve the above purpose, the invention provides the following technical scheme to realize: the utility model provides a flue gas flue SOx/NOx control equipment of mill, includes the fixed plate, the left side fixed mounting of fixed plate upper surface has the absorption tank, the inside fixedly connected with absorber of absorption tank, the middle part fixedly connected with heat recoverer of fixed plate upper surface, the left side fixed connection of bent pipe and heat recoverer is passed through on the right side of absorption tank, heat recoverer's inside fixed mounting has the retort, the inside fixedly connected with heat adsorption equipment of retort, the right side fixedly connected with retort of fixed plate upper surface, the top fixedly connected with connecting pipe of retort, the inside of retort has dust collector through circular plate fixed joint, the right side fixed mounting of retort has a section of thick bamboo of discharging fume.
Optionally, the right end of the connecting pipe penetrates through the heat recoverer and extends to the right side of the heat recoverer, and the right end of the connecting pipe is fixedly connected with the top of the reaction tank.
Optionally, the right side of the heat recoverer is fixedly connected with a liquid outlet pipe, and the top end of the liquid outlet pipe penetrates through the heat recoverer and the reaction tank in sequence and is communicated with the bottom of the inner wall of the reaction tank.
Optionally, a liquid inlet pipe is fixedly connected to the top of the heat recovery device, the bottom end of the liquid inlet pipe sequentially penetrates through the heat recovery device and the reaction tank and extends to the top of the inner wall of the reaction tank, and the bottom end of the liquid inlet pipe is communicated with the top of the inner wall of the reaction tank.
Optionally, the heat adsorption equipment is including the arc siphunculus, the bottom of arc siphunculus and the bottom fixed connection of retort inner wall, inside top and the bottom of arc siphunculus are through gas diffusion pipe fixed connection.
Optionally, a filter pad is fixedly installed inside the curved pipe, a conveying device is fixedly connected to the inner surface of the curved pipe, and the filter pad and the conveying device are both located between the absorption tank and the heat recovery device.
Optionally, the conveying device comprises a feeding curved pipe, the right side of the feeding curved pipe is fixedly connected with the left side of the filter pad, and the left side of the feeding curved pipe is fixedly connected with the feeding straight pipe.
Optionally, the front of the circular plate is fixedly connected with dust removal devices through fastening bolts, the number of the dust removal devices is six, and the included angles formed between every two adjacent dust removal devices and the circle center of the cross section of the circular plate are equal.
Optionally, the dust collector is including arc adsorption plate, the middle part fixedly connected with of the internal surface of arc adsorption plate filters the ring, the inside of arc adsorption plate is provided with the aqueous ammonia, and the liquid level of aqueous ammonia is two centimetres to its top vertical separation who filters the ring.
The invention provides a factory flue gas duct desulfurization and denitrification device which has the following beneficial effects:
1. this flue gas flue SOx/NOx control equipment of mill, the surface through arc siphunculus and gas diffusion pipe all is equipped with the desulfurization catalysis board among the heat adsorption equipment, is convenient for react with the sulphide in the flue gas, and the arc siphunculus sets up to oval passageway and gas diffusion pipe and sets to crooked pipeline, increases the area of contact between flue gas and arc siphunculus and the gas diffusion pipe, makes the desulfurization reaction more abundant, has improved the desulfurated speed of this flue gas flue SOx/NOx control equipment of mill.
2. This flue gas flue SOx/NOx control equipment of mill through the cooperation between arc siphunculus and the gas diffusion pipe in retort and the heat absorption device, has increased the area of contact of normal atmospheric temperature liquid water in flue gas and the retort, is convenient for in the water to the heat conveying in the flue gas in the retort, the heat recovery cyclic utilization of being convenient for.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged schematic view of the dust removing apparatus of FIG. 1;
FIG. 3 is a schematic top view of the dust removing apparatus of FIG. 1;
fig. 4 is an enlarged schematic view of the transfer device of fig. 1.
In the figure: 1. a fixing plate; 2. an absorption tank; 3. an absorber; 4. a curved tube; 5. a filter pad; 6. a heat recoverer; 7. a reaction tank; 8. a liquid inlet pipe; 9. a heat adsorption device; 91. an arc-shaped through pipe; 92. an air diffusing pipe; 10. a connecting pipe; 11. a reaction tank; 12. a dust removal device; 121. an arc-shaped adsorption plate; 122. a filter ring; 13. a liquid outlet pipe; 14. a smoke exhaust tube; 15. a circular plate; 16. fastening bolts; 17. a conveying device; 171. feeding a curved pipe; 172. and (4) feeding a straight pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a flue gas flue desulfurization and denitration device for a factory comprises a fixing plate 1, an absorption tank 2 is fixedly installed on the left side of the upper surface of the fixing plate 1, an absorber 3 is fixedly connected inside the absorption tank 2, a heat recovery device 6 is fixedly connected in the middle of the upper surface of the fixing plate 1, the right side of the absorption tank 2 is fixedly connected with the left side of the heat recovery device 6 through a curved pipe 4, a reaction tank 7 is fixedly installed inside the heat recovery device 6, a heat adsorption device 9 is fixedly connected inside the reaction tank 7, the contact area between flue gas and normal temperature liquid water in the reaction tank 7 is increased through the matching between an arc-shaped through pipe 91 and a gas diffusion pipe 92 in the reaction tank 7 and the heat adsorption device 9, the heat in the flue gas is conveniently transferred to the water in the reaction tank 7, the reaction heat is conveniently recycled, a tank 11 is fixedly connected on the right side of the upper surface of the fixing plate 1, the top fixedly connected with connecting pipe 10 of retort 7, the inside of retort 11 is passed through circular plate 15 fixed joint and is had dust collector 12, and the right side fixed mounting of retort 11 has chimney 14.
The right end of the connecting pipe 10 penetrates through the heat recoverer 6 and extends to the right side of the heat recoverer 6, and the right end of the connecting pipe 10 is fixedly connected with the top of the reaction tank 11.
Wherein, the right side fixedly connected with drain pipe 13 of heat recoverer 6, the top of drain pipe 13 runs through heat recoverer 6 and retort 7 in proper order and link up with the bottom of retort 7 inner wall, and the staff of being convenient for changes the material in retort 7.
Wherein, the top fixedly connected with feed liquor pipe 8 of heat recovery device 6, the bottom of feed liquor pipe 8 runs through heat recovery device 6 and retort 7 in proper order and extends to the top of retort 7 inner wall, and the bottom of feed liquor pipe 8 link up mutually with the top of retort 7 inner wall, and the staff of being convenient for arranges liquid normal atmospheric temperature water in retort 7, is convenient for absorb the heat in the flue gas then.
Wherein, heat adsorption equipment 9 is including arc siphunculus 91, the bottom of arc siphunculus 91 and the bottom fixed connection of retort 7 inner wall, arc siphunculus 91 all is equipped with the desulfurization catalysis board with the surface of gas diffusion pipe 92 in the heat adsorption equipment 9, be convenient for react with the sulphide in the flue gas, arc siphunculus 91 sets up to oval passageway and gas diffusion pipe 92 and sets into crooked pipeline, increase area of contact between flue gas and arc siphunculus 91 and the gas diffusion pipe 92, make desulfurization reaction more abundant, the speed of this mill's flue gas flue desulfurization denitration equipment desulfurization has been improved, gas diffusion pipe 92 fixed connection is passed through to inside top and the bottom of arc siphunculus 91.
Wherein, the inside fixed mounting of bent pipe 4 has filter pad 5, and the internal surface fixed connection of bent pipe 4 has conveyer 17, and filter pad 5 and conveyer 17 all are located between absorption tank 2 and heat recovery ware 6.
The conveying device 17 comprises a feeding curved pipe 171, the right side of the feeding curved pipe 171 is fixedly connected with the left side of the filter pad 5, and the left side of the feeding curved pipe 171 is fixedly connected with a feeding straight pipe 172.
The front of the circular plate 15 is fixedly connected with six dust removing devices 12 through fastening bolts 16, and included angles formed between every two adjacent six dust removing devices 12 and the circle center of the cross section of the circular plate 15 are equal.
Wherein, dust collector 12 is including arc adsorption plate 121, and the middle part fixedly connected with of the internal surface of arc adsorption plate 121 filters ring 122, and the inside of arc adsorption plate 121 is provided with the aqueous ammonia, is convenient for make the sulphide and the ammonia that let in the flue gas of this equipment react, makes the sulphide material fully dissolve in the aqueous ammonia, realizes the desulfurization treatment to the flue gas, and the liquid level of aqueous ammonia is two centimetres to its top filter ring 122's vertical separation.
When the device works, firstly, a working staff connects a smoke outlet pipe of a factory with an inlet on the left side of an absorption tank 2, as the factory is operated, smoke is continuously generated, the smoke passes through an absorber 3 in the absorption tank 2 and flows into a heat recoverer 6 through a curved pipe 4, then the smoke passes through a heat adsorption device 9 in the heat recoverer 6, a desulfurization catalytic plate is attached to the heat adsorption device 9, then, sulfide in the smoke passes through the heat adsorption device 9, desulfurization reaction is accelerated, as normal temperature water is injected into a reaction tank 7, then, heat in the smoke is conducted to liquid water in the reaction tank 7 when the heat in the smoke passes through the reaction tank 7, then, the smoke flows into a reaction tank 11 through a connecting pipe 10, dust in the smoke is adsorbed through a dust removal device 12, meanwhile, ammonia is contained in the dust removal device 12, so that nitrified substances in the smoke react with the ammonia to generate ammonia and water, finally, the flue gas and the generated nitrogen gas flow out through the smoke exhaust 14.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a flue gas flue SOx/NOx control equipment of mill, includes fixed plate (1), its characterized in that: an absorption tank (2) is fixedly mounted on the left side of the upper surface of the fixing plate (1), an absorber (3) is fixedly connected inside the absorption tank (2), a heat recoverer (6) is fixedly connected to the middle of the upper surface of the fixing plate (1), the right side of the absorption tank (2) is fixedly connected with the left side of the heat recoverer (6) through a curved pipe (4), a reaction tank (7) is fixedly mounted inside the heat recoverer (6), a heat adsorption device (9) is fixedly connected inside the reaction tank (7), the heat adsorption device (9) comprises an arc-shaped through pipe (91), the bottom of the arc-shaped through pipe (91) is fixedly connected with the bottom of the inner wall of the reaction tank (7), the top and the bottom inside of the arc-shaped through pipe (91) are fixedly connected through a gas diffusion pipe (92), and the contact area between the flue gas and normal temperature liquid water in the reaction tank (7) is increased, in the heat conveying to the water in retort (7) in the flue gas, the heat recovery cyclic utilization of being convenient for, the right side fixed connection retort (11) of fixed plate (1) upper surface, the top fixedly connected with connecting pipe (10) of retort (7), the inside of retort (11) has dust collector (12) through circular plate (15) fixed joint, the right side fixed mounting of retort (11) has chimney (14).
2. The plant flue gas duct desulfurization and denitrification device according to claim 1, characterized in that: the right end of the connecting pipe (10) penetrates through the heat recoverer (6) and extends to the right side of the heat recoverer (6), and the right end of the connecting pipe (10) is fixedly connected with the top of the reaction tank (11).
3. The plant flue gas duct desulfurization and denitrification device according to claim 1, characterized in that: the right side of the heat recoverer (6) is fixedly connected with a liquid outlet pipe (13), and the top end of the liquid outlet pipe (13) sequentially penetrates through the heat recoverer (6) and the reaction tank (7) and is communicated with the bottom of the inner wall of the reaction tank (7).
4. The plant flue gas duct desulfurization and denitrification device according to claim 1, characterized in that: the top fixedly connected with feed liquor pipe (8) of heat recoverer (6), the bottom of feed liquor pipe (8) runs through heat recoverer (6) and retort (7) in proper order and extends to the top of retort (7) inner wall, the bottom of feed liquor pipe (8) link up mutually with the top of retort (7) inner wall.
5. The plant flue gas duct desulfurization and denitrification device according to claim 1, characterized in that: the inside fixed mounting of bent pipe (4) has filter pad (5), the internal surface fixed connection of bent pipe (4) has conveyer (17), filter pad (5) and conveyer (17) all are located between absorption tank (2) and heat recovery ware (6).
6. The plant flue gas duct desulfurization and denitrification device according to claim 5, characterized in that: conveyer (17) are including pay-off bent pipe (171), the right side of pay-off bent pipe (171) and the left side fixed connection of filter pad (5), the left side and the pay-off straight tube (172) fixed connection of pay-off bent pipe (171).
7. The plant flue gas duct desulfurization and denitrification device according to claim 1, characterized in that: the front of circular plate (15) all is through fastening bolt (16) fixedly connected with dust collector (12), the quantity of dust collector (12) is six, six dust collector (12) two double-phase between adjacent with the contained angle homogeneous phase that circular plate (15) cross section centre of a circle formed.
8. The plant flue gas duct desulfurization and denitrification device according to claim 1, characterized in that: dust collector (12) are including arc adsorption plate (121), the middle part fixedly connected with of the internal surface of arc adsorption plate (121) filters ring (122), the inside of arc adsorption plate (121) is provided with the aqueous ammonia, and the liquid level of aqueous ammonia is two centimetres to the horizontal distance of its top filter ring (122).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910565164.1A CN110252134B (en) | 2019-06-27 | 2019-06-27 | Flue gas flue SOx/NOx control equipment of mill |
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| CN201910565164.1A CN110252134B (en) | 2019-06-27 | 2019-06-27 | Flue gas flue SOx/NOx control equipment of mill |
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| CN110252134A CN110252134A (en) | 2019-09-20 |
| CN110252134B true CN110252134B (en) | 2021-12-21 |
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Effective date of registration: 20211201 Address after: Hua Yu Zhen Lu Cun, Jishan County, Yuncheng City, Shanxi Province 043200 Applicant after: Shanxi Jinwu Energy Co.,Ltd. Address before: Room 11, 98 Fangcun Avenue West, Liwan District, Guangzhou, Guangdong 510000 Applicant before: Shao Ganqing |
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