CN111841287A - Desulfurization and denitrification filter device - Google Patents
Desulfurization and denitrification filter device Download PDFInfo
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- CN111841287A CN111841287A CN202010898164.6A CN202010898164A CN111841287A CN 111841287 A CN111841287 A CN 111841287A CN 202010898164 A CN202010898164 A CN 202010898164A CN 111841287 A CN111841287 A CN 111841287A
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- desulfurization
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- flue gas
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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
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
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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
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
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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
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
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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
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
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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
- B01D53/96—Regeneration, reactivation or recycling of reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/606—Carbonates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention relates to a desulfurization and denitrification filter device which comprises a bottom plate, a desulfurization device, a denitrification device and a secondary filter device, wherein the desulfurization device is arranged on the left side of the upper end of the bottom plate, the denitrification device is arranged on the right side of the desulfurization device, and the secondary filter device is arranged on the right side of the upper end of the bottom plate. The desulfurization and denitrification filtering device provided by the invention can solve the problems that the conventional desulfurization and denitrification filtering equipment is used for directly conveying flue gas to the desulfurization and denitrification device for treatment when the flue gas is subjected to desulfurization and denitrification filtration, and the conventional desulfurization and denitrification filtering equipment is used for only carrying out desulfurization and denitrification treatment on the flue gas once, so that a large amount of nitrogen oxides and sulfur oxides still exist in the desulfurization and denitrification flue gas, the flue gas pollutes air, and the conventional desulfurization and denitrification device is not used for interfering and accelerating the desulfurization and denitrification process of the flue gas when the flue gas is subjected to desulfurization and denitrification, so that the flue gas is required to be subjected to desulfurization and denitrification treatment for multiple times, the desulfurization and denitrification efficiency of the flue gas.
Description
Technical Field
The invention relates to the technical field of flue gas desulfurization and denitration, in particular to a desulfurization and denitration filtering device.
Background
The flue gas desulfurization and denitration is a boiler flue gas purification technology which is mainly applied to the chemical industry for generating nitrogen oxides and sulfur oxides. Nitrogen oxides and sulfur oxides are one of the main sources of air pollution. The application of this technology is of considerable benefit for ambient air purification. The fume emission of steel, coking, sintering and coal power plants can form low temperature saturated flue gas, thereby white smoke and cold air after the intermixing temperature reduction condense into water droplet and form acid rain etc. cause the pollution to the surrounding environment, can also cause haze weather simultaneously, consequently need carry out desulfurization denitration dust removal treatment to the flue gas for the flue gas reaches the national requirement emission standard.
During actual production and manufacturing, the existing desulfurization and denitrification filtering equipment has the following problems when desulfurization and denitrification filtering is carried out on flue gas:
(1) when the existing desulfurization and denitrification filtering equipment is used for desulfurization and denitrification filtering of flue gas, the flue gas is usually directly conveyed to a desulfurization and denitrification device, so that the desulfurization and denitrification device is used for treating the flue gas, and the existing desulfurization and denitrification filtering equipment is used for performing desulfurization and denitrification treatment on the flue gas only once, so that a large amount of nitrogen oxides and sulfur oxides still exist in the desulfurization and denitrification flue gas, and the flue gas pollutes air;
(2) when current SOx/NOx control filtration equipment carries out SOx/NOx control to the flue gas and filters, directly carry out SOx/NOx control to the flue gas through SOx/NOx control device usually, do not disturb the acceleration to the process of flue gas SOx/NOx control for flue gas SOx/NOx control is inefficient, needs carry out many times SOx/NOx control to the flue gas and handle, thereby leads to flue gas SOx/NOx control inefficiency.
In order to make up for the defects of the prior art, the invention provides a desulfurization and denitrification filter device.
Disclosure of Invention
The technical scheme adopted by the invention to solve the technical problem is as follows: a desulfurization and denitrification filter device comprises a bottom plate, a desulfurization device, a denitrification device and a secondary filter device, wherein the desulfurization device is arranged on the left side of the upper end of the bottom plate, the denitrification device is arranged on the right side of the desulfurization device, the denitrification device is arranged in the middle of the upper end of the bottom plate, and the secondary filter device is arranged on the right side of the upper end of the bottom plate; wherein:
the desulfurization device comprises a supporting plate, fixed blocks, a desulfurization cylinder, a stirring mechanism, a material cleaning mechanism and a smoke inlet pipe, wherein the supporting plate is symmetrically arranged on the left side of the upper end of a bottom plate in front and back, the fixed blocks are arranged on the inner side of the supporting plate, the desulfurization cylinder is arranged between the fixed blocks, a feeding hole is formed in the upper end of the desulfurization cylinder, the stirring mechanism is arranged at the upper end of the supporting plate, the lower end of the stirring mechanism is arranged in the desulfurization cylinder, the material cleaning mechanism is arranged at the lower end of the desulfurization cylinder, the smoke inlet pipe is arranged on the left side of the lower end of the desulfurization cylinder, during specific work, slurry mixed by limestone and water is manually added into the desulfurization cylinder through the feeding hole, after slurry is added, the flue gas in a boiler is conveyed to the lower end of the slurry through the smoke inlet pipe, and during the flue gas conveying process, the slurry is, after the gypsum is precipitated, the gypsum is discharged and collected through a material clearing mechanism.
The stirring mechanism comprises a mounting frame, a stirring motor, a stirring shaft, a support frame, a mounting sleeve, a stirring roller and stirring blades, the mounting frame is arranged at the upper end of the support plate, the stirring motor is arranged at the upper end of the inner side of the mounting frame through a motor mounting plate, the stirring shaft is arranged at the output end of the stirring motor, the upper end of the stirring shaft is arranged at the upper end of the desulfurization cylinder through a bearing, the support frame is arranged at the lower end of the inner part of the desulfurization cylinder through a bearing, the mounting sleeve is arranged in the middle of the stirring shaft, the stirring rollers are evenly arranged at the outer side of the mounting sleeve along the circumferential direction of the mounting sleeve, the stirring rollers are evenly arranged from top to bottom, the stirring blades are arranged below the support frame, the stirring blades are arranged at the lower end of the stirring shaft, during the specific work, the, thereby quickening the reaction between the flue gas and the slurry and leading the oxysulfide in the flue gas to react with the calcium carbonate in the slurry to generate gypsum precipitate.
The utility model discloses a denitration device, including mounting panel, U-shaped frame, a denitration section of thick bamboo, the mixing mechanism, inlet pipe and intake pipe, the mounting panel is installed at bottom plate upper end middle part, the U-shaped frame is installed to the mounting panel upper end, U-shaped frame inboard is provided with a denitration section of thick bamboo, a denitration section of thick bamboo is installed at mounting panel upper end middle part, the mixing mechanism is installed to U-shaped frame inboard upper end, the mixing mechanism lower extreme sets up inside a denitration section of thick bamboo, denitration section of thick bamboo upper end left side is provided with the inlet pipe, the inlet pipe left side links to each other with a desulfurization section of thick bamboo, denitration section of thick bamboo left side lower extreme is provided with the intake pipe, when concrete work, the flue gas is carried to a denitration section of thick bamboo through the inlet.
The mixing mechanism comprises a mixing motor, an installation shaft, a driving gear, a driven gear, a rotating shaft and a mixing plate, wherein the mixing motor is installed at the upper end of the inner side of the U-shaped frame through a motor installation plate, the installation shaft is installed at the output end of the mixing motor, the installation shaft is installed at the middle part of the inner side of the denitration cylinder through a bearing, the driving gear is installed at the middle part of the installation shaft, the driven gear is uniformly arranged along the circumferential direction of the driving gear, the driven gear is meshed with the driving gear in the axial direction, the rotating shaft is installed inside the denitration cylinder through a bearing, the mixing plate is symmetrically arranged on the upper part and the lower part of the rotating shaft, the mixing plate is installed on the rotating shaft through a bearing, during the specific work, the installation shaft is driven to rotate, the flue gas and the ammonia gas are fully stirred and mixed, so that the flue gas and the ammonia gas are fully reacted, and the treatment efficiency of the nitrogen oxides in the flue gas is improved.
Secondary filter equipment includes feed back pipe and wiper mechanism, and the feed back pipe right side is installed on denitration section of thick bamboo upper end right side, and the feed back pipe left side links to each other with advancing the tobacco pipe, and wiper mechanism is installed on workstation upper end right side, and during concrete during operation, among the flue gas desulfurization denitration treatment process, the flue gas after will first handling is carried to a desulfurization section of thick bamboo once more through advancing the tobacco pipe through the feed back pipe to make desulphurization unit and denitration unit carry out secondary desulfurization denitration treatment to the flue gas.
As a preferred technical scheme of the invention, the material cleaning mechanism comprises a sliding plate, dovetail blocks, rubber sealing rings and a handle, the dovetail blocks are symmetrically arranged at the front and back of the upper end of the sliding plate, the dovetail blocks are arranged on the inner side of the lower end of the fixed block in a sliding fit mode, the rubber sealing rings are arranged in the middle of the upper end of the sliding plate, and the handle is arranged at the left end of the sliding plate.
As a preferred technical scheme of the invention, the cleaning mechanism comprises a discharging branch chain, a cleaning cylinder, a water adding bolt, a drain pipe and a smoke outlet pipe, the left end of the discharging branch chain is arranged at the lower end of the right side of the denitration cylinder, the cleaning cylinder is arranged at the right side of the upper end of the workbench, the lower end of the right side of the discharging branch chain is arranged at the inner side of the cleaning cylinder, the water adding bolt is arranged at the front side of the upper end of the cleaning cylinder in a threaded fit manner, the drain pipe is arranged at the lower side of the front end of the cleaning cylinder, and the smoke outlet pipe is arranged at the middle part of the upper end of the cleaning cylinder, during the specific work, the water adding bolt is manually screwed down so as to add clean water into the cleaning cylinder, after the addition of the clean water is completed, the flue gas after the desulfurization and the denitration is conveyed to the cleaning cylinder through the discharging branch chain so that the clean water cleans and filters the flue gas, thereby replacing it.
As a preferred technical scheme of the invention, the discharging branched chain comprises a discharging pipe, a baffle ring, a reset spring, a steel ball and a conical opening, the denitration cylinder is connected with the cleaning cylinder through the discharging pipe, the baffle ring is installed inside the discharging pipe, the reset spring is arranged on the left side of the baffle ring, the steel ball is installed on the left side of the reset spring, the conical opening is formed in the left side of the steel ball, and the conical opening is installed inside the discharging pipe.
As a preferred technical scheme of the invention, the lower end of the desulfurization cylinder is provided with an annular groove, the rubber sealing ring is arranged in the annular groove, and the rubber sealing ring is clamped in the annular groove, so that the sliding plate and the desulfurization cylinder are sealed, and slurry is prevented from leaking between the sliding plate and the desulfurization cylinder.
As a preferred technical scheme of the invention, the mixing plate is uniformly provided with round holes, and the round holes are used for turbulent flow mixing of ammonia gas and desulfurized flue gas when the mixing plate rotates, so that the ammonia gas and the desulfurized flue gas are fully contacted and reacted.
As a preferable technical scheme of the invention, the middle part of the upper end of the sliding plate is provided with a material bearing groove, and when the sliding plate works specifically, the precipitated gypsum falls to the material bearing groove for collection, so that the gypsum is convenient for manual blanking collection.
Compared with the prior art, the invention has the following advantages:
1. according to the desulfurization and denitrification filtering device provided by the invention, the flue gas is subjected to repeated circulating desulfurization and denitrification treatment, so that a large amount of nitrogen oxides, sulfur oxides and reactants in the flue gas are reacted and removed by the device, the air pollution caused by the flue gas is avoided, and the interference acceleration is carried out on the desulfurization and denitrification process of the flue gas through the arranged stirring mechanism and the mixing mechanism, so that the large amount of nitrogen oxides, sulfur oxides and reactants in the flue gas are fully reacted, and the desulfurization and denitrification efficiency of the flue gas is improved;
2. according to the desulfurization and denitrification filtering device provided by the invention, the stirring shaft is driven to rotate by the stirring motor, the mounting sleeve drives the stirring roller to rotationally stir the flue gas and the slurry, and the flue gas and the slurry are overturned by the stirring blades, so that the reaction between the flue gas and the slurry is accelerated, and the oxysulfide in the flue gas reacts with the calcium carbonate in the slurry to generate gypsum precipitate;
3. according to the desulfurization and denitrification filtering device provided by the invention, the mixing plate is driven by the mixing motor to stir flue gas and ammonia gas, so that the flue gas and the ammonia gas are fully stirred and mixed, and round holes are uniformly formed in the mixing plate to mix the ammonia gas and the desulfurized flue gas in a turbulent flow manner when the mixing plate rotates, so that the ammonia gas and the desulfurized flue gas are fully contacted and reacted, thereby ensuring that the flue gas and the ammonia gas are fully reacted, and further improving the treatment efficiency of nitrogen oxides in the flue gas;
4. according to the desulfurization and denitrification filtering device provided by the invention, during desulfurization and denitrification, the flue gas in the denitrification cylinder is increased, the pressure is increased, so that the flue gas subjected to desulfurization and denitrification extrudes the steel balls, the steel balls extrude the return springs to be separated from the conical openings, the flue gas subjected to desulfurization and denitrification is conveyed to the cleaning cylinder through the discharge pipe to be cleaned, and when the pressure is low, the flue gas subjected to denitrification conveys the flue gas subjected to primary treatment to the desulfurization cylinder through the return pipe to be subjected to secondary desulfurization and denitrification treatment.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 3 according to the present invention;
FIG. 6 is an enlarged, fragmentary view in the Y-direction of FIG. 3 of the present invention;
FIG. 7 is an enlarged view of a portion of the invention in the Z-direction of FIG. 4.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to 7.
A desulfurization and denitrification filter device comprises a bottom plate 1, a desulfurization device 2, a denitrification device 3 and a secondary filter device 4, wherein the desulfurization device 2 is installed on the left side of the upper end of the bottom plate 1, the denitrification device 3 is arranged on the right side of the desulfurization device 2, the denitrification device 3 is installed in the middle of the upper end of the bottom plate 1, and the secondary filter device 4 is installed on the right side of the upper end of the bottom plate 1; wherein:
the desulfurization device 2 comprises a supporting plate 21, fixing blocks 22, a desulfurization cylinder 23, a stirring mechanism 24, a material cleaning mechanism 25 and a smoke inlet pipe 26, the supporting plate 21 is symmetrically arranged on the left side of the upper end of the bottom plate 1 in front and back, the fixing blocks 22 are arranged on the inner side of the supporting plate 21, the desulfurization cylinder 23 is arranged between the fixing blocks 22, a feeding hole is formed in the upper end of the desulfurization cylinder 23, the stirring mechanism 24 is arranged at the upper end of the supporting plate 21, the lower end of the stirring mechanism 24 is arranged in the desulfurization cylinder 23, the material cleaning mechanism 25 is arranged at the lower end of the desulfurization cylinder 23, the smoke inlet pipe 26 is arranged on the left side of the lower end of the desulfurization cylinder 23, during specific work, slurry mixed by limestone and water is manually added into the desulfurization cylinder 23 through the feeding hole, after slurry is added, the flue gas in the boiler is conveyed to the lower end of the slurry through the smoke inlet, so that the oxysulfide in the flue gas and the calcium carbonate in the slurry react to generate gypsum precipitate, and the gypsum precipitate is discharged and collected through the material cleaning mechanism 25.
The stirring mechanism 24 comprises a mounting frame 241, a stirring motor 242, a stirring shaft 243, a support frame 244, a mounting sleeve 245, stirring rollers 246 and stirring blades 247, the mounting frame 241 is mounted at the upper end of the support plate 21, the stirring motor 242 is mounted at the upper end of the inner side of the mounting frame 241 through a motor mounting plate, the stirring shaft 243 is mounted at the output end of the stirring motor 242, the upper end of the stirring shaft 243 is mounted at the upper end of the desulfurization cylinder 23 through a bearing, the support frame 244 is mounted at the lower end of the inside of the desulfurization cylinder 23 at the lower end of the stirring shaft 243 through a bearing, the mounting sleeve 245 is mounted in the middle of the stirring shaft 243, the stirring rollers 246 are uniformly mounted at the outer side of the mounting sleeve along the circumferential direction of the mounting sleeve, the stirring rollers 246 are uniformly arranged from top to bottom, the stirring blades 247 are arranged, so that the mounting sleeve 245 drives the stirring roller 246 to rotationally stir the flue gas and the slurry, and the flue gas and the slurry are overturned through the stirring blades 247, thereby quickening the reaction between the flue gas and the slurry, and leading the oxysulfide in the flue gas and the calcium carbonate in the slurry to react to generate gypsum precipitate.
The material cleaning mechanism 25 comprises a sliding plate 251, a dovetail block 252, a rubber sealing ring 253 and a handle 254, the dovetail block 252 is symmetrically installed at the front end and the rear end of the upper end of the sliding plate 251, the dovetail block 252 is installed on the inner side of the lower end of the fixed block 22 in a sliding fit mode, the rubber sealing ring 253 is arranged in the middle of the upper end of the sliding plate 251, the handle 254 is installed at the left end of the sliding plate 251, and during specific work, the handle 254 is pulled outwards through manpower when gypsum is deposited too much, so that the sliding plate 251 moves outwards along the dovetail block 252, deposited gypsum is taken down and collected through manpower, the rubber sealing ring 253 seals the sliding plate 251 and the desulfurization cylinder 23, and slurry is prevented from leaking between the sliding plate 251.
The lower end of the desulfurization cylinder 23 is provided with an annular groove, the rubber sealing ring 253 is arranged in the annular groove, and the rubber sealing ring 253 is clamped in the annular groove, so that the sliding plate 251 and the desulfurization cylinder 23 are sealed, and slurry is prevented from leaking between the sliding plate 251 and the desulfurization cylinder 23.
The middle part of the upper end of the sliding plate 251 is provided with a material bearing groove, and when the sliding plate works specifically, precipitated gypsum falls to the material bearing groove to be collected, so that the gypsum is conveniently discharged and collected manually.
The denitration device 3 comprises a mounting plate 31, a U-shaped frame 32, a denitration cylinder 33, a mixing mechanism 34, a feeding pipe 35 and an air inlet pipe 36, the mounting plate 31 is arranged in the middle of the upper end of the bottom plate 1, the U-shaped frame 32 is arranged at the upper end of the mounting plate 31, the denitration cylinder 33 is arranged on the inner side of the U-shaped frame 32, the mixing mechanism 34 is arranged at the upper end of the inner side of the U-shaped frame 32, the lower end of the mixing mechanism 34 is arranged in the denitration cylinder 33, the feeding pipe 35 is arranged on the left side of the upper end of the denitration cylinder 33, the left side of the feeding pipe 35 is connected with the desulfuration cylinder 23, the air inlet pipe 36 is arranged at the lower end of the left side, and ammonia gas is conveyed into the denitration cylinder 33 through the gas inlet pipe 36, so that nitrogen oxide in the flue gas and ammonia gas react under the action of a catalyst to generate nitrogen gas, and the nitrogen oxide in the flue gas is treated.
The mixing mechanism 34 comprises a mixing motor 341, a mounting shaft 342, a driving gear 343, a driven gear 344, a rotating shaft 345 and a mixing plate 346, the mixing motor 341 is mounted at the upper end of the inner side of the U-shaped frame 32 through a motor mounting plate, the mounting shaft 342 is mounted at the output end of the mixing motor 341, the mounting shaft 342 is mounted at the middle part of the inner side of the denitration cylinder 33 through a bearing, the driving gear 343 is mounted at the middle part of the mounting shaft 342, the driven gear 344 is uniformly arranged on the driving gear 343 along the circumferential direction, the driven gear 344 is meshed with the driving gear 343, the rotating shaft 345 is mounted inside the denitration cylinder 33 through a bearing, the mixing plate 346 is symmetrically arranged on the upper and lower part of the rotating shaft 345, and the mixing plate 346 is mounted on the rotating shaft 345 through a bearing during the specific work, the mounting shaft 342 is driven by the, thereby make mixing plate 346 stir flue gas and ammonia for the flue gas carries out intensive mixing with the ammonia and mixes, thereby guarantees that flue gas and ammonia carry out abundant reaction, thereby improves nitrogen oxide's in the flue gas treatment effeciency.
Evenly be provided with the round hole on the mixing plate 346, the round hole carries out the vortex to ammonia and the flue gas after the desulfurization when mixing plate 346 rotates and mixes for the two fully contacts and reacts.
The cleaning mechanism 42 comprises a discharging branch chain 421, a cleaning cylinder 422, a water adding bolt 423, a water discharging pipe 424 and a smoke discharging pipe 425, the left end of the discharging branch chain 421 is installed at the lower end of the right side of the denitration cylinder 33, the cleaning cylinder 422 is installed at the right side of the upper end of the workbench, the lower end of the right side of the discharging branch chain 421 is installed at the inner side of the cleaning cylinder 422, the water adding bolt 423 is installed at the front side of the upper end of the cleaning cylinder 422 in a threaded fit mode, the water discharging pipe 424 is installed at the lower side of the front end of the cleaning cylinder 422, and the smoke discharging pipe 425 is installed at the middle part of the upper end of the cleaning cylinder 422, during specific work, the water adding bolt 423 is manually screwed down, so that clear water is added into the cleaning cylinder 422, after the addition of the clear water is completed, the smoke subjected to desulfurization and denitration is conveyed to the cleaning cylinder 422 through the discharging, and the used clean water in the cleaning cylinder 422 is discharged through the water discharge pipe 424 at regular intervals, thereby being replaced.
The discharging branched chain 421 comprises a discharging pipe 4211, a baffle ring 4212, a return spring 4213, steel balls 4214 and a conical opening 4215, the denitration cylinder 33 is connected with the cleaning cylinder 422 through the discharging pipe 4211, the baffle ring 4212 is installed inside the discharging pipe 4211, the return spring 4213 is arranged on the left side of the baffle ring 4212, the steel balls 4214 are installed on the left side of the return spring 4213, the conical opening 4215 is arranged on the left side of the steel balls 4214, and the conical opening 4215 is installed inside the discharging pipe 4211.
When in work:
s1, adding reactants: slurry obtained by mixing limestone and water is manually added into the desulfurization cylinder 23, ammonia gas is conveyed into the denitration cylinder 33 through the gas inlet pipe 36, and the water adding bolt 423 is manually screwed down, so that clear water is added into the cleaning cylinder 422;
s2, flue gas conveying: after the reactants are added, the flue gas in the boiler is conveyed to the lower end of the slurry through the smoke inlet pipe 26;
s3, desulfurization treatment: in the flue gas conveying process, the stirring shaft 243 is driven to rotate by the stirring motor 242, so that the mounting sleeve 245 drives the stirring roller 246 to rotationally stir the flue gas and the slurry, and the flue gas and the slurry are overturned by the stirring blades 247, so that oxysulfide in the flue gas reacts with calcium carbonate in the slurry to generate gypsum precipitate;
s4, denitration treatment: the flue gas is conveyed into the denitration cylinder 33 through the feeding pipe 35 after being desulfurized, the mounting shaft 342 is driven to rotate through the mixing motor 341, the driving gear 343 drives the rotating shaft 345 to rotate through the driven gear 344, and the mixing plate 346 is used for stirring and mixing the flue gas and the ammonia gas;
s5, cleaning treatment: the flue gas after desulfurization and denitrification is conveyed to the cleaning drum 422 through the discharging branch chain 421, so that the flue gas is cleaned and filtered by clean water, and the flue gas after cleaning and filtering is discharged through the smoke outlet pipe 425 and is discharged after being qualified in detection.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a SOx/NOx control filter equipment, includes bottom plate (1), desulphurization unit (2), denitrification facility (3) and secondary filter equipment (4), its characterized in that: a desulfurization device (2) is installed on the left side of the upper end of the bottom plate (1), a denitration device (3) is arranged on the right side of the desulfurization device (2), the denitration device (3) is installed in the middle of the upper end of the bottom plate (1), and a secondary filtering device (4) is installed on the right side of the upper end of the bottom plate (1); wherein:
the desulfurization device (2) comprises a supporting plate (21), fixing blocks (22), desulfurization cylinders (23), a stirring mechanism (24), a material cleaning mechanism (25) and a smoke inlet pipe (26), wherein the supporting plate (21) is symmetrically arranged on the left side of the upper end of the bottom plate (1) in the front-back direction, the fixing blocks (22) are arranged on the inner side of the supporting plate (21), the desulfurization cylinders (23) are arranged between the fixing blocks (22), the stirring mechanism (24) is arranged on the upper end of the supporting plate (21), the lower ends of the stirring mechanisms (24) are arranged in the desulfurization cylinders (23), the material cleaning mechanism (25) is arranged on the lower ends of the desulfurization cylinders (23), and the smoke inlet pipe (26) is arranged on;
the stirring mechanism (24) comprises a mounting frame (241), a stirring motor (242), a stirring shaft (243), a support frame (244), a mounting sleeve (245), a stirring roller (246) and stirring blades (247), the mounting frame (241) is mounted at the upper end of the support plate (21), the stirring motor (242) is mounted at the upper end of the inner side of the mounting frame (241) through a motor mounting plate, the stirring shaft (243) is mounted at the output end of the stirring motor (242), the upper end of the stirring shaft (243) is mounted at the upper end of the desulfurization cylinder (23) through a bearing, the support frame (244) is mounted at the lower end of the inner part of the desulfurization cylinder (23), the mounting sleeve (245) is mounted in the middle of the stirring shaft (243), the stirring rollers (246) are uniformly mounted at the outer side of the mounting sleeve along the circumferential direction of the mounting sleeve, the stirring rollers (246) are uniformly arranged, and the stirring blade (247) is arranged at the lower end of the stirring shaft (243);
the denitration device (3) comprises a mounting plate (31), a U-shaped frame (32), a denitration cylinder (33), a mixing mechanism (34), a feeding pipe (35) and an air inlet pipe (36), wherein the mounting plate (31) is mounted in the middle of the upper end of the bottom plate (1), the U-shaped frame (32) is mounted at the upper end of the mounting plate (31), the denitration cylinder (33) is arranged on the inner side of the U-shaped frame (32), the denitration cylinder (33) is mounted in the middle of the upper end of the mounting plate (31), the mixing mechanism (34) is mounted at the upper end of the inner side of the U-shaped frame (32), the lower end of the mixing mechanism (34) is arranged in the denitration cylinder (33), the feeding pipe (35) is arranged on the left side of the upper end of the denitration cylinder (33), the left;
the mixing mechanism (34) comprises a mixing motor (341), a mounting shaft (342), a driving gear (343), a driven gear (344), a rotating shaft (345) and a mixing plate (346), the mixing motor (341) is mounted at the upper end of the inner side of the U-shaped frame (32) through a motor mounting plate, the mounting shaft (342) is mounted at the output end of the mixing motor (341), the mounting shaft (342) is mounted at the middle part of the inner side of the denitration cylinder (33) through a bearing, the driving gear (343) is mounted at the middle part of the mounting shaft (342), the driven gear (344) is uniformly arranged along the circumferential direction of the driving gear (343), and the driven gear (344) is meshed, a rotating shaft (345) is arranged in the middle of the driven gear (344), the rotating shaft (345) is arranged in the denitration cylinder (33) through a bearing, mixing plates (346) are symmetrically arranged on the rotating shaft (345) up and down, and the mixing plates (346) are arranged on the rotating shaft (345) through a bearing;
the secondary filtering device (4) comprises a material return pipe (41) and a cleaning mechanism (42), the right side of the material return pipe (41) is installed on the right side of the upper end of the denitration cylinder (33), the left side of the material return pipe (41) is connected with the smoke inlet pipe (26), and the cleaning mechanism (42) is installed on the right side of the upper end of the workbench.
2. The desulfurization and denitrification filter device according to claim 1, wherein: the material cleaning mechanism (25) comprises a sliding plate (251), a dovetail block (252), a rubber sealing ring (253) and a handle (254), the dovetail block (252) is symmetrically installed at the front and back of the upper end of the sliding plate (251), the dovetail block (252) is installed on the inner side of the lower end of the fixed block (22) in a sliding fit mode, the rubber sealing ring (253) is arranged in the middle of the upper end of the sliding plate (251), and the handle (254) is installed at the left end of the sliding plate (251).
3. The desulfurization and denitrification filter device according to claim 1, wherein: cleaning mechanism (42) is including ejection of compact branch chain (421), wash bowl (422), add water bolt (423), drain pipe (424) and play tobacco pipe (425), install denitration section of thick bamboo (33) right side lower extreme in ejection of compact branch chain (421) left end, wash bowl (422) are installed on workstation upper end right side, and ejection of compact branch chain (421) right side lower extreme install in wash bowl (422) inboard, add water bolt (423) are installed through screw-thread fit's mode to wash bowl (422) upper end front side, drain pipe (424) are installed to wash bowl (422) front end downside, and wash bowl (422) upper end mid-mounting has a tobacco pipe (425).
4. The desulfurization and denitrification filter device according to claim 3, wherein: the discharging branch chain (421) comprises a discharging pipe (4211), a retaining ring (4212), a return spring (4213), steel balls (4214) and a conical opening (4215), the denitration cylinder (33) is connected with the cleaning cylinder (422) through the discharging pipe (4211), the retaining ring (4212) is installed inside the discharging pipe (4211), the return spring (4213) is arranged on the left side of the retaining ring (4212), the steel balls (4214) are installed on the left side of the return spring (4213), the conical opening (4215) is arranged on the left side of the steel balls (4214), and the conical opening (4215) is installed inside the discharging pipe (4211).
5. The desulfurization and denitrification filter device according to claim 2, wherein: the lower end of the desulfurization cylinder (23) is provided with an annular groove, and a rubber sealing ring (253) is arranged in the annular groove.
6. The desulfurization and denitrification filter device according to claim 1, wherein: round holes are uniformly arranged on the mixing plate (346).
7. The desulfurization and denitrification filter device according to claim 1, wherein: and the upper end of the desulfurization cylinder (23) is provided with a feeding hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010898164.6A CN111841287A (en) | 2020-08-31 | 2020-08-31 | Desulfurization and denitrification filter device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010898164.6A CN111841287A (en) | 2020-08-31 | 2020-08-31 | Desulfurization and denitrification filter device |
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| Publication Number | Publication Date |
|---|---|
| CN111841287A true CN111841287A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010898164.6A Pending CN111841287A (en) | 2020-08-31 | 2020-08-31 | Desulfurization and denitrification filter device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439312A (en) * | 2020-12-03 | 2021-03-05 | 胡朝清 | Annular storehouse dry-type fixed bed SOx/NOx control device |
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Application publication date: 20201030 |