CN115041080A - Power plant desulfurization flue gas dust fall and material conveying method - Google Patents
Power plant desulfurization flue gas dust fall and material conveying method Download PDFInfo
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- CN115041080A CN115041080A CN202210534823.7A CN202210534823A CN115041080A CN 115041080 A CN115041080 A CN 115041080A CN 202210534823 A CN202210534823 A CN 202210534823A CN 115041080 A CN115041080 A CN 115041080A
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- flue gas
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- material conveying
- pulping box
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- 239000000428 dust Substances 0.000 title claims abstract description 34
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 29
- 230000023556 desulfurization Effects 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 28
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000003546 flue gas Substances 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 title claims abstract description 22
- 238000004537 pulping Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 235000019738 Limestone Nutrition 0.000 claims abstract description 16
- 239000006028 limestone Substances 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 239000002002 slurry Substances 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 239000011268 mixed slurry Substances 0.000 claims abstract description 5
- 230000003009 desulfurizing effect Effects 0.000 claims description 18
- 230000003647 oxidation Effects 0.000 claims description 13
- 238000007254 oxidation reaction Methods 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000002716 delivery method Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 7
- 239000006185 dispersion Substances 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000005507 spraying Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
- B01F35/184—Preventing generation of dust
-
- 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
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/53—Mixing liquids with solids using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/565—Mixing liquids with solids by introducing liquids in solid material, e.g. to obtain slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71775—Feed mechanisms characterised by the means for feeding the components to the mixer using helical screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/82—Forming a predetermined ratio of the substances to be mixed by adding a material to be mixed to a mixture in response to a detected feature, e.g. density, radioactivity, consumed power or colour
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
A power plant desulfurization flue gas dust fall and material conveying method comprises the following steps: by utilizing the metering pump, the water pipe and the atomizing nozzle, the raised dust is sprayed and eliminated in the process of putting the limestone powder into the proportioning barrel, so that the dust floating pollution is effectively reduced; the limestone powder raw material in the lower charging barrel at the lower end of the proportioning barrel is spirally conveyed by utilizing the motor and the rotating shaft propeller blade, so that the phenomenon of material blockage is prevented, the raw material conveying efficiency is accelerated, and meanwhile, the mixed slurry is fully stirred by utilizing the stirring paddle in the pulping box; the torque sensor is utilized to detect the torque of the rotating shaft of the motor, so that the concentration of the slurry in the pulping box is known, variable conveying is carried out by controlling the metering pump, and the water quantity entering the pulping box is adjusted. The invention solves the problems of complex configuration process, raw material dust dispersion pollution and material conveying blockage of the existing desulfurizer slurry preparation device.
Description
Technical Field
The invention relates to the technical field of desulfurization systems, in particular to a method for reducing dust and conveying desulfurization flue gas of a power plant.
Background
Limestone-gypsum slurry is mixed in the desulfurizing tower, flows down in a spraying mode through a nozzle in the tower under the action of a circulating pump, contacts with flue gas in a convection mode, absorbs SO2 in the flue gas and generates chemical reaction with the SO2 to generate gypsum. At the same time, the circulating slurry also absorbs the escaped ammonia from the denitration reactor and converts it to NH4 +. The circulating slurry can absorb volatile Na-containing substances, heavy metals, HCl and other substances in the flue gas, dissolve the substances and enrich the substances under the evaporation effect generated by the flue gas. When the content of the reaction product gypsum and various impurities in the desulfurization tower reaches a certain limit value, the circulating slurry is discharged out of the desulfurization tower so as to maintain the normal operation of the chemical reaction in the tower.
However, the existing desulfurizer slurry preparation device has some defects, limestone powder can raise more dust in the putting process, the dust floats and scatters to cause pollution and human body harm, the limestone powder is easy to block in the conveying process, secondly, the limestone powder and water are mixed and need to be fully stirred, the preparation proportion of the limestone powder and water needs to be accurately controlled, the concentration of the prepared slurry is too large to cause conveying pressure for a supply pump, the over-small concentration causes incomplete desulfurization reaction, the limestone powder and water are required to be prepared in the prior art, and the process is complex.
Disclosure of Invention
In order to overcome the defects in the prior art, a method for reducing dust and conveying desulfurized flue gas of a power plant is provided so as to solve the problems of complex configuration process, pollution caused by drifting of raw material dust and conveying blockage of the existing desulfurizer slurry preparation device.
The above purpose is realized by the following scheme:
a power plant desulfurization flue gas dust fall and material delivery method comprises the following steps:
the method comprises the following steps: by utilizing the metering pump, the water pipe and the atomizing nozzle, raised dust is sprayed and eliminated in the process of putting the limestone powder into the proportioning barrel, so that dust floating pollution is effectively reduced;
step two: the limestone powder raw material in the lower charging barrel at the lower end of the proportioning barrel is spirally conveyed by using the motor and the rotating shaft propeller blade, so that the phenomenon of material blockage is prevented, the raw material conveying efficiency is improved, and meanwhile, the mixed slurry is fully stirred by using the stirring paddle in the pulping box;
step three: the torque sensor is utilized to detect the torque of the rotating shaft of the motor, so that the concentration of the slurry in the pulping box is known, variable conveying is carried out by controlling the metering pump, and the water quantity entering the pulping box is adjusted.
A power plant flue gas desulfurization system, comprising: the desulfurizing tower, the outside of desulfurizing tower is provided with circulating pump and replenishing pump, and the outer end of replenishing pump is connected with the pulping box, the upper end of pulping box is provided with a batching section of thick bamboo, and the outside of a batching section of thick bamboo is provided with the measuring pump, the inside of a batching section of thick bamboo is provided with the mount, and the fixed conduit in middle part of mount to the lower extreme of mount is provided with down the mount, the middle part of mount is fixed with the protecting crust down, and the inside motor that is provided with of protecting crust to cut the inside outside of motor and install torque sensor, the liquid outlet of measuring pump is connected with the water pipe, and inside the water pipe inserted a batching section of thick bamboo to medial extremity at the water pipe is connected with atomizer.
Further, the inlet end of desulfurizing tower is connected with the dust remover, and the upper end of desulfurizing tower is given vent to anger the end and is connected with the chimney to the inside of desulfurizing tower is provided with defroster and shower.
Furthermore, an oxidation pond is arranged inside the desulfurizing tower, the outer end of the oxidation pond is connected with an air conveying device, and the oxidation pond is connected with a circulating pump and a spraying pipe at the upper end to form a circulating spraying system.
Furthermore, the supply pump passes through the pipe connection with the inside oxidation pond of desulfurizing tower, and the feed liquor end of supply pump is connected with the discharge gate in the slurrying case lower extreme outside.
Furthermore, the upper fixing frame and the lower fixing frame are both of a cross rod structure, the outer end of the fixing frame is fixedly connected with the inner wall of the batching barrel, the inner end of the upper fixing frame is fixedly connected with the outer wall of the conduit, and the inner end of the lower fixing frame is fixedly connected with the outer wall of the protective shell.
Further, the vertical connection of conduit is in the upper end of protecting crust, and conduit inside is provided with power cord and signal line to the power cord is connected with the motor, and the signal line is connected with torque sensor, and motor and torque sensor electric connection.
Furthermore, a lower material feeding barrel is arranged at the lower end of the mixing barrel, and the lower end of the lower material feeding barrel is inserted into the upper end of the pulping box and is fixedly connected with the wall of the pulping box.
Furthermore, the lower extreme of motor is connected with the pivot, and the lower extreme of pivot and the axle bed rotation of slurrying bottom of the case portion are connected, and is provided with propeller blade in the inboard of lower feed cylinder and in the outside of pivot, and in the inboard of slurrying case and in the fixed stirring rake in the outside of pivot.
The power plant desulfurization flue gas system disclosed by the invention has the beneficial effects that the metering pump, the water pipe and the atomizing nozzle are utilized, so that raised dust is sprayed and eliminated in the process of putting limestone powder into the proportioning barrel, and the dust floating pollution is effectively reduced; the limestone powder raw material in the lower charging barrel at the lower end of the proportioning barrel is spirally conveyed by utilizing the motor and the rotating shaft propeller blade, so that the phenomenon of material blockage is prevented, the raw material conveying efficiency is accelerated, and meanwhile, the mixed slurry is fully stirred by utilizing the stirring paddle in the pulping box; utilize torque sensor just to have the pivot moment of torsion that detects the motor, and then learn the concentration of the inside thick liquid of slurrying case, then carry out the variable through control measuring pump and carry out the variable transport, adjust the water yield that gets into the slurrying case, realize reasonable configuration, the process is simple relatively.
Drawings
FIG. 1 is a schematic structural diagram of a desulfurization system according to an embodiment of the present invention.
FIG. 2 is a schematic diagram of an off-line slurry preparation configuration according to an embodiment of the present invention.
Fig. 3 is a schematic top view of an upper fixing frame according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a location a in fig. 2 according to an embodiment of the present invention.
1. A desulfurizing tower; 2. a dust remover; 3. a circulation pump; 4. a make-up pump; 5. a pulping box; 6. a dosing cylinder; 7. an upper fixing frame; 8. a rotating shaft; 9. a propeller blade; 10. a discharge port; 11. a stirring paddle; 12. a shaft seat; 13. a metering pump; 14. feeding the material barrel; 15. a water pipe; 16. an atomizing spray head; 17. a conduit; 18. a power line; 19. a signal line; 20. a lower fixing frame; 21. a protective shell; 22. a motor; 23. a torque sensor.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Fig. 1 is a schematic structural diagram of a desulfurization system according to an embodiment of the present invention, fig. 2 is a schematic structural diagram of offline slurry preparation according to an embodiment of the present invention, fig. 3 is a schematic structural diagram of an upper fixing frame according to an embodiment of the present invention viewed from above, and fig. 4 is a schematic structural diagram of a point a in fig. 2 according to an embodiment of the present invention.
Referring to fig. 1 to 4, the invention provides a power plant desulfurization flue gas system, comprising: desulfurizing tower 1, slurrying case 5, batching section of thick bamboo 6 and measuring pump 13.
Specifically, desulfurizing tower 1's the outside is provided with circulating pump 3 and replenishing pump 4, and replenishing pump 4's outer end is connected with slurrying case 5, slurrying case 5's upper end is provided with a batching section of thick bamboo 6, and the outside of a batching section of thick bamboo 6 is provided with measuring pump 13, the inside of a batching section of thick bamboo 6 is provided with mount 7, and the fixed wire conduit 17 in middle part of mount 7, and the lower extreme of mount 7 is provided with down mount 20, the middle part of mount 20 is fixed with protecting crust 21 down, and the inside motor 22 that is provided with of protecting crust 21, and cut the inside outside of motor 22 and install torque sensor 23, the liquid outlet of measuring pump 13 is connected with water pipe 15, and inside water pipe 15 inserted a batching section of thick bamboo 6, and be connected with atomizer 16 at the medial extremity of water pipe 15.
In this embodiment, the pulping box 5 and the dosing cylinder 6 are arranged as an integral device structure, and the liquid inlet of the metering pump 13 is connected with a water supply source.
The torque sensor 23 and the motor 22 are connected with the same electric cabinet, and the torque of the motor 22 is provided with a rated threshold value.
The upper end pipeline of the metering pump 13 is provided with a booster pump, so that the atomizing nozzle 16 can conveniently strengthen the water pressure to achieve the atomizing effect.
The spraying surface of the atomizer 16 is provided with an arc spherical surface structure, so that the spraying range is enlarged, and the atomizer 16 is provided with an upper atomizer and a lower atomizer which are respectively positioned at the upper end and the lower end of the upper fixing frame 7.
The air inlet end of the desulfurizing tower 1 is connected with a dust remover 2, the air outlet end of the upper end of the desulfurizing tower 1 is connected with a chimney, and a demister and a spray pipe are arranged inside the desulfurizing tower 1; an oxidation pond is arranged inside the desulfurizing tower 1, the outer end of the oxidation pond is connected with an air conveying device, and the oxidation pond is connected with a circulating pump 3 and a spray pipe at the upper end to form a circulating spray system.
In a preferred embodiment, raw flue gas is dedusted by the deduster 2 and desulfurized by the desulfurizing tower 1, and then is purified and discharged into the chimney through the wind power of the system.
The supply pump 4 is connected with the oxidation pond in the desulfurizing tower 1 through a pipeline, and the liquid inlet end of the supply pump 4 is connected with the discharge hole 10 at the outer side of the lower end of the pulping box 5.
In a preferred embodiment, the replenishment pump 4 is used to replenish the solution in the oxidation tank when the solution is consumed too much.
The upper fixing frame 7 and the lower fixing frame 20 are both arranged in a cross rod structure, the outer end of the fixing frame is fixedly connected with the inner wall of the proportioning barrel 6, the inner end of the upper fixing frame 7 is fixedly connected with the outer wall of the conduit 17, and the inner end of the lower fixing frame 20 is fixedly connected with the outer wall of the protective shell 21.
In a preferred embodiment, the upper fixture 7 facilitates stable fixation of the conduit 17 and the lower fixture 20 facilitates stable fixation of the motor 22.
The cross rod structure of the upper fixing frame 7 is convenient for dispersing limestone powder when falling down, and the auxiliary effect of preventing material blockage is achieved.
In this embodiment, the power line 18 is externally connected to a power supply, the signal line 19 is connected to an external controller inside the electric cabinet, and the controller is electrically connected to the metering pump 13, so as to control the amount of water entering the metering pump 13.
The lower end of the batching cylinder 6 is provided with a lower charging cylinder 14, and the lower end of the lower charging cylinder 14 is inserted into the upper end of the pulping box 5 and is fixedly connected with the wall of the pulping box 5.
The lower end of the motor 22 is connected with a rotating shaft 8, the lower end of the rotating shaft 8 is rotatably connected with a shaft seat 12 at the bottom of the pulping box 5, a propeller blade 9 is arranged on the inner side of the lower charging barrel 14 and on the outer side of the rotating shaft 8, and a stirring paddle 11 is fixed on the inner side of the pulping box 5 and on the outer side of the rotating shaft 8.
In a preferred embodiment, the conveying efficiency is enhanced by the propeller blades 9, and the stirring paddle 11 makes the raw materials and water mixed well.
The power plant desulfurization flue gas system can effectively solve the problems of complex configuration process, raw material dust dispersion pollution and conveying blockage of the existing desulfurizer slurry preparation device, and utilizes the metering pump, the water pipe and the atomizing spray head to spray and eliminate raised dust in the process of putting limestone powder into the proportioning barrel, thereby effectively reducing the dust dispersion pollution; the limestone powder raw material in the lower charging barrel at the lower end of the proportioning barrel is spirally conveyed by using the motor and the rotating shaft propeller blade, so that the phenomenon of material blockage is prevented, the raw material conveying efficiency is improved, and meanwhile, the mixed slurry is fully stirred by using the stirring paddle in the pulping box; utilize torque sensor just to have the pivot moment of torsion that detects the motor, and then learn the concentration of the inside thick liquid of slurrying case, then carry out the variable through control measuring pump and carry out the variable transport, adjust the water yield that gets into the slurrying case, realize reasonable configuration, the process is simple relatively.
Claims (9)
1. A power plant desulfurization flue gas dust fall and material conveying method is characterized by comprising the following steps:
the method comprises the following steps: by utilizing the metering pump, the water pipe and the atomizing nozzle, raised dust is sprayed and eliminated in the process of putting the limestone powder into the proportioning barrel, so that dust floating pollution is effectively reduced;
step two: the limestone powder raw material in the lower charging barrel at the lower end of the proportioning barrel is spirally conveyed by utilizing the motor and the rotating shaft propeller blade, so that the phenomenon of material blockage is prevented, the raw material conveying efficiency is accelerated, and meanwhile, the mixed slurry is fully stirred by utilizing the stirring paddle in the pulping box;
step three: the torque sensor is utilized to detect the torque of the rotating shaft of the motor, so that the concentration of the slurry in the pulping box is known, variable conveying is carried out by controlling the metering pump, and the water quantity entering the pulping box is adjusted.
2. The power plant desulfurization flue gas dust fall and material delivery method according to claim 1, characterized by comprising the following steps: the outer side of the desulfurizing tower (1) is provided with a circulating pump (3) and a replenishing pump (4), the outer end of the supply pump (4) is connected with a pulping box (5), the upper end of the pulping box (5) is provided with a batching cylinder (6), a metering pump (13) is arranged at the outer side of the mixing cylinder (6), an upper fixing frame (7) is arranged inside the mixing cylinder (6), a conduit (17) is fixed at the middle part of the upper fixing frame (7), a lower fixing frame (20) is arranged at the lower end of the upper fixing frame (7), a protective shell (21) is fixed in the middle of the lower fixing frame (20), a motor (22) is arranged in the protective shell (21), a torque sensor (23) is arranged on the outer side of the interior of the parallel cutting motor (22), a liquid outlet of the metering pump (13) is connected with a water pipe (15), and the water pipe (15) is inserted into the dosing cylinder (6), and the inner side end of the water pipe (15) is connected with an atomizing nozzle (16).
3. The power plant desulfurization flue gas dust fall and material conveying method according to claim 2, characterized in that a dust collector (2) is connected to the air inlet end of the desulfurization tower (1), a chimney is connected to the air outlet end of the upper end of the desulfurization tower (1), and a demister and a spray pipe are arranged inside the desulfurization tower (1).
4. The power plant desulfurization flue gas dust fall and material conveying method according to claim 2, characterized in that an oxidation pond is arranged inside the desulfurization tower (1), the outer end of the oxidation pond is connected with an air conveying device, and the oxidation pond is connected with a circulating pump (3) and a spray pipe at the upper end to form a circulating spray system.
5. The power plant desulfurization flue gas dust fall and material conveying method according to claim 2, characterized in that the supply pump (4) is connected with an oxidation pond inside the desulfurization tower (1) through a pipeline, and the liquid inlet end of the supply pump (4) is connected with a discharge hole (10) outside the lower end of the pulping box (5).
6. The method for reducing dust and delivering desulfurization flue gas in a power plant as claimed in claim 2, wherein the upper fixing frame (7) and the lower fixing frame (20) are both configured as a cross bar structure, the outer end of the fixing frame is fixedly connected with the inner wall of the dispensing barrel (6), the inner end of the upper fixing frame (7) is fixedly connected with the outer wall of the conduit (17), and the inner end of the lower fixing frame (20) is fixedly connected with the outer wall of the protective shell (21).
7. The power plant desulfurization flue gas dust fall and material conveying method according to claim 2, characterized in that the conduit (17) is vertically connected to the upper end of the protective shell (21), a power line (18) and a signal line (19) are arranged inside the conduit (17), the power line (18) is connected with the motor (22), the signal line (19) is connected with the torque sensor (23), and the motor (22) is electrically connected with the torque sensor (23).
8. The power plant desulfurization flue gas dust fall and material conveying method according to claim 2, characterized in that a lower charging barrel (14) is arranged at the lower end of the proportioning barrel (6), and the lower end of the lower charging barrel (14) is inserted into the upper end of the pulping box (5) and is fixedly connected with the wall of the pulping box (5).
9. The power plant desulfurization flue gas dust fall and material conveying method according to claim 2, characterized in that the lower end of the motor (22) is connected with a rotating shaft (8), the lower end of the rotating shaft (8) is rotatably connected with a shaft seat (12) at the bottom of the pulping box (5), a propeller blade (9) is arranged on the inner side of the lower charging barrel (14) and on the outer side of the rotating shaft (8), and a stirring paddle (11) is fixed on the inner side of the pulping box (5) and on the outer side of the rotating shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210534823.7A CN115041080A (en) | 2022-05-17 | 2022-05-17 | Power plant desulfurization flue gas dust fall and material conveying method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210534823.7A CN115041080A (en) | 2022-05-17 | 2022-05-17 | Power plant desulfurization flue gas dust fall and material conveying method |
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| CN115041080A true CN115041080A (en) | 2022-09-13 |
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| CN202210534823.7A Pending CN115041080A (en) | 2022-05-17 | 2022-05-17 | Power plant desulfurization flue gas dust fall and material conveying method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115999356A (en) * | 2023-01-06 | 2023-04-25 | 北京禹泰环保工程有限公司 | SDS desulfurization control system and desulfurization process |
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2022
- 2022-05-17 CN CN202210534823.7A patent/CN115041080A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115999356A (en) * | 2023-01-06 | 2023-04-25 | 北京禹泰环保工程有限公司 | SDS desulfurization control system and desulfurization process |
| CN115999356B (en) * | 2023-01-06 | 2023-06-27 | 北京禹泰环保工程有限公司 | SDS desulfurization control system and desulfurization process |
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