CN219897658U - Flue gas desulfurization device for boiler flue - Google Patents
Flue gas desulfurization device for boiler flue Download PDFInfo
- Publication number
- CN219897658U CN219897658U CN202321243889.7U CN202321243889U CN219897658U CN 219897658 U CN219897658 U CN 219897658U CN 202321243889 U CN202321243889 U CN 202321243889U CN 219897658 U CN219897658 U CN 219897658U
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- CN
- China
- Prior art keywords
- fixedly connected
- flue gas
- absorption
- tank
- gas desulfurization
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000003546 flue gas Substances 0.000 title claims abstract description 50
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 33
- 230000023556 desulfurization Effects 0.000 title claims abstract description 33
- 238000010521 absorption reaction Methods 0.000 claims abstract description 60
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims abstract description 12
- 238000007790 scraping Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 5
- 235000019738 Limestone Nutrition 0.000 abstract description 29
- 239000006028 limestone Substances 0.000 abstract description 29
- 239000012265 solid product Substances 0.000 abstract description 22
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000005507 spraying Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 230000000694 effects Effects 0.000 description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000001376 precipitating effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a flue gas desulfurization device for a boiler flue, which comprises a shell, wherein an absorption liquid tank is fixedly arranged on the inner wall of an absorption tank, a low-speed motor is fixedly connected inside the absorption liquid tank, stirring blades are fixedly arranged on the outer wall of a rotating shaft, a spray head is communicated with the lower end of the absorption liquid tank, a collecting plate is fixedly connected inside the absorption tank, a first air cylinder is fixedly connected on the inner wall of the absorption tank, a scraping plate is fixedly connected with the output end of the first air cylinder, and a collecting box is fixedly connected on the right side of the collecting plate; starting a low-speed motor to drive a stirring blade to rotate, stirring limestone liquid in an absorption liquid tank, uniformly mixing the limestone liquid, spraying the limestone liquid from a spray head to an absorption tank to perform contact reaction with flue gas, enabling a reacted solid product to fall on a collecting plate, then starting a first air cylinder to drive a scraping plate to move, pushing the solid product to a collecting box, and achieving high collecting speed of the solid product and high economic benefit of the device.
Description
Technical Field
The utility model relates to the technical field of flue gas desulfurization, in particular to a flue gas desulfurization device for a boiler flue.
Background
The boiler comprises a boiler and a boiler, the original meaning of the boiler is a water container heated on fire, the boiler is a place for burning fuel, hot water or steam generated in the boiler can directly provide heat energy required by production and life, the steam power device can also be used for converting the heat energy into mechanical energy, or the mechanical energy is converted into electric energy through a generator, and the flue gas containing smoke dust, sulfur dioxide, carbon dioxide and the like generated by burning the fuel in the production process of the boiler is directly discharged into the air, so that the harm is caused to the environment and human body, and the sulfur dioxide in the flue gas is required to be treated;
according to the Chinese patent (patent number: CN111780148A, a flue gas desulfurization device for a boiler flue is disclosed), limestone liquid in a limestone liquid barrel is pumped out through a hose by utilizing the principle of pressure intensity and is conveyed into a spray pipe through a push block, and is sprayed into an absorption tower to react with flue gas to absorb sulfur dioxide in the flue gas, the reaction speed of the flue gas and the limestone liquid is regulated by current generated by cutting magnetic induction lines through magnetic blocks and metal bars, the flue gas and the limestone liquid are discharged into the absorption tower when the limestone liquid falls down through a through hole, the inner wall of the absorption tower is inclined, and a reacted product falls into a collecting bin along the baffle, but the patent has the following defects:
the inside stirring mechanism that does not set up of lime stone liquid bucket, the lime stone liquid is placed solid particulate matter for a long time in the container and can be precipitated in the thick liquid for thick liquid mixing rate reduces and appears inhomogeneous thick liquid, leads to lime stone liquid and flue gas contact inhomogeneous, influences desulfurization effect, and the device is slower to the solid product collection speed that desulfurization produced, and the solid product falls into the in-process of collecting the storehouse by the baffle and can pile up the jam and then influence the economic benefits of device on the baffle.
Disclosure of Invention
The utility model aims to provide a flue gas desulfurization device for a boiler flue, which has the characteristics of uniform mixing of limestone liquid, uniform contact between the limestone liquid and flue gas, good desulfurization effect, high collection speed of solid products and high economic benefit of the device.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the flue gas desulfurization device for the boiler flue comprises a shell, wherein an absorption tank is arranged in the shell, an absorption liquid tank is fixedly arranged on the inner wall of the absorption tank, a low-speed motor is fixedly connected to the inner part of the absorption liquid tank, a rotating shaft is fixedly connected to the output end of the low-speed motor, stirring blades are fixedly arranged on the outer wall of the rotating shaft, and a spray head is communicated with the lower end of the absorption liquid tank;
the inner part of the absorption tank is fixedly connected with a collecting plate positioned below the spray head, the inner wall of the absorption tank is fixedly connected with a first cylinder, and the output end of the first cylinder is fixedly connected with a scraping plate which is abutted against the upper end surface of the collecting plate;
the right side intercommunication of shell has the collection box, the inside fixedly connected with second cylinder of collection box, the up end fixedly connected with of second cylinder and the inside sliding connection's of collection box bottom plate.
In order to enable the scraper to collect solid products more thoroughly, the flue gas desulfurization device for the boiler flue preferably comprises a connecting shaft, wherein connecting holes are formed in two ends of the connecting shaft, a spring is fixedly arranged in the connecting holes, the tail end of the spring is fixedly connected with a push rod, and the lower end face of the push rod is fixedly connected with a soft brush.
In order to enable water generated in the desulfurization process to flow to the bottom of the absorption tank, as a flue gas desulfurization device for a boiler flue, a plurality of uniformly distributed drain holes penetrate through the upper end surface of the collecting plate.
In order to move the cover plate to discharge the solid products from the collecting box, the upper end surface of the collecting box is movably provided with the cover plate through bolts.
In order to prevent flue gas from flowing into the collecting box, as a flue gas desulfurization device for a boiler flue, a baffle is preferably arranged at the communication position of the shell and the collecting box in a rotating way through a hinge.
In order to filter particulate impurities such as dust in flue gas, the flue gas desulfurization device for the boiler flue is preferably characterized in that an air inlet pipe is communicated with the left side of the shell, and a filter plate is fixedly connected to the joint of the air inlet pipe and the absorption tank.
In order to facilitate the flue gas to flow into the absorption tank and the water generated in the desulfurization process to be discharged, the flue gas desulfurization device for the boiler flue is preferably adopted, and the upper end and the lower end of the shell are respectively communicated with an air outlet pipe and a water outlet pipe.
Compared with the prior art, the utility model has the following beneficial effects:
starting a low-speed motor to drive a rotating shaft to rotate, and driving a stirring blade to rotate by the rotating shaft to play a role in stirring limestone liquid in the absorption liquid tank so as to prevent solid particles in the limestone liquid from precipitating at the bottom of the absorption liquid tank, so that the limestone liquid is uniformly mixed, and the desulfurization effect is improved;
in flue gas got into the absorption cell, the lime stone liquid spouted from the shower nozzle to absorption cell and flue gas contact reaction, the solid product that generates after the reaction falls on the collecting plate, starts first cylinder afterwards, and first cylinder drives the scraper blade and removes, pushes away the solid product to collecting box by the collecting plate, and is fast to the collecting rate of solid product, and the economic benefits of device is high.
Drawings
FIG. 1 is a diagram of the overall structure of the present utility model;
FIG. 2 is an overall cross-sectional view of the present utility model;
FIG. 3 is a cross-sectional view of a screed according to the present utility model.
In the figure: 1. a housing; 2. an absorption cell; 3. an absorption liquid tank; 4. a low-speed motor; 5. a rotating shaft; 6. an agitating blade; 7. a collection box; 8. a spray head; 9. a collection plate; 10. a first cylinder; 11. a filter plate; 12. an air outlet pipe; 13. an air inlet pipe; 14. a scraper; 15. a second cylinder; 16. a bottom plate; 17. a drain hole; 18. a connecting shaft; 19. a spring; 20. a push rod; 21. a connection hole; 22. a bolt; 23. a cover plate; 24. a baffle; 25. a soft brush; 26. and (5) a water drain pipe.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to FIGS. 1 to 3, a flue gas desulfurization apparatus for a boiler flue includes
The absorption cell 2, its characterized in that have been seted up to shell 1, the inside of shell 1: the inner wall of the absorption tank 2 is fixedly provided with an absorption liquid tank 3, the inside of the absorption liquid tank 3 is fixedly connected with a low-speed motor 4, the output end of the low-speed motor 4 is fixedly connected with a rotating shaft 5, the outer wall of the rotating shaft 5 is fixedly provided with stirring blades 6, and the lower end of the absorption liquid tank 3 is communicated with a spray head 8;
the inside of the absorption tank 2 is fixedly connected with a collecting plate 9 positioned below the spray head 8, the inner wall of the absorption tank 2 is fixedly connected with a first cylinder 10, and the output end of the first cylinder 10 is fixedly connected with a scraping plate 14 which is abutted with the upper end surface of the collecting plate 9;
the right side of shell 1 communicates there is collection box 7, and the inside fixedly connected with second cylinder 15 of collection box 7, the up end fixedly connected with of second cylinder 15 and collection box 7's inside sliding connection's bottom plate 16.
In this embodiment: starting a low-speed motor 4 to drive a rotating shaft 5 to rotate, and driving a stirring blade 6 to rotate by the rotating shaft 5 to play a role in stirring limestone liquid in the absorption liquid tank 3 so as to prevent solid particles in the limestone liquid from precipitating at the bottom of the absorption liquid tank 3, so that the limestone liquid is uniformly mixed, and the desulfurization effect is improved;
the flue gas enters the absorption tank 2, limestone liquid is sprayed from the spray head 8 to the absorption tank 2 for contact reaction with the flue gas, a solid product generated after the reaction falls on the collecting plate 9, then the first air cylinder 10 is started, the first air cylinder 10 drives the scraping plate 14 to move, the solid product is pushed to the collecting box 7 from the collecting plate 9, the collecting speed of the solid product is high, and the economic benefit of the device is high (the pressure in the absorption liquid tank 3 is higher than the atmospheric pressure);
the second cylinder 15 is activated to move the bottom plate 16 upwards to expel the solid product collected in the collection box 7.
As a technical optimization scheme of the utility model, the scraping plate 14 comprises a connecting shaft 18, connecting holes 21 are formed in two ends of the connecting shaft 18, springs 19 are fixedly arranged in the connecting holes 21, the tail ends of the springs 19 are fixedly connected with push rods 20, and the lower end faces of the push rods 20 are fixedly connected with soft hair brushes 25.
In this embodiment: when the scraper 14 does not work, the spring 19 is in a compressed state, and in the process that the push rod 20 moves along the inner wall of the absorption tank 2, under the action of the spring 19, the push rod 20 is pushed to drive the soft brush 25 to move outwards relative to the spring 19, so that the scraper 14 can collect solid products more thoroughly.
As a technical optimization scheme of the utility model, a plurality of evenly distributed drain holes 17 penetrate through the upper end face of the collecting plate 9.
In this embodiment: the upper end surface of the collecting plate 9 is penetrated with a plurality of uniformly distributed drain holes 17 so that water generated by the contact reaction of the limestone liquid and the flue gas flows into the bottom of the absorption tank 2 through the drain holes 17.
As a technical optimization scheme of the utility model, the upper end face of the collecting box 7 is movably provided with a cover plate 23 through bolts 22.
In this embodiment: the adjusting screw 22 can move the cover plate 23 when it is desired to discharge the solid product from the collecting box 7.
As a technical optimization scheme of the utility model, a baffle 24 is rotatably arranged at the communication part of the shell 1 and the collecting box 7 through a hinge.
In this embodiment: the baffle 24 is rotatably installed at the communication position of the shell 1 and the collecting box 7 through the hinge so as to prevent flue gas from entering the collecting box 7 from the communication position of the shell 1 and the collecting box 7, thereby reducing the desulfurization efficiency of the device.
As a technical optimization scheme of the utility model, the left side of the shell 1 is communicated with an air inlet pipe 13, and a filter plate 11 is fixedly connected at the joint of the air inlet pipe 13 and the absorption tank 2.
In this embodiment: the filter plate 11 is fixedly connected to the joint of the air inlet pipe 13 and the absorption tank 2, so that particulate impurities such as dust and the like entering the absorption tank 2 along with the flue gas can be filtered, and the particulate impurities are prevented from contacting with limestone liquid, so that the flue gas desulfurization effect is reduced.
As a technical optimization scheme of the utility model, the upper end and the lower end of the shell 1 are respectively communicated with an air outlet pipe 12 and a drain pipe 26.
In this embodiment: the desulfurization flue gas after the flue gas limestone liquid contact reaction is discharged from the gas outlet pipe 12, and the water flowing into the absorption tank 2 through the water discharge hole 17 is discharged from the water discharge pipe 26.
The working principle and the using flow of the utility model are as follows:
firstly, flue gas enters the absorption tank 2 from the air inlet pipe 13, dust and other particle impurities in the flue gas are filtered through the filter plate 11, the flue gas moves upwards through the collecting plate 9, meanwhile, the low-speed motor 4 is started to drive the rotating shaft 5 to rotate, the rotating shaft 5 drives the stirring blade 6 to rotate, the stirring effect is achieved on the limestone liquid in the absorption liquid tank 3, solid particles in the limestone liquid are prevented from precipitating at the bottom of the absorption liquid tank 3, the limestone liquid is uniformly mixed, and the desulfurization effect is improved;
the flue gas enters the absorption tank 2, limestone liquid is sprayed from the spray head 8 to the absorption tank 2 for contact reaction with the flue gas, a solid product generated after the reaction falls on the collecting plate 9, then the first air cylinder 10 is started, the first air cylinder 10 drives the scraping plate 14 to move, the pushing rod 20 is pushed to move outwards relative to the spring 19 under the action of the spring 19 in the process that the pushing rod 20 moves along the inner wall of the absorption tank 2, the solid product is pushed to the collecting box 7 from the collecting plate 9, the collecting speed of the solid product is high, and the economic benefit of the device is high;
when the height of the solid product in the collecting box 7 reaches the level with the left side of the collecting plate 9, the adjusting bolt 22 moves the cover plate 23, the second cylinder 15 is started, the bottom plate 16 is driven to move upwards, the solid product collected in the collecting box 7 is discharged, the desulfurization flue gas after the flue gas limestone liquid contact reaction is discharged from the gas outlet pipe 12, and the water flowing into the absorption tank 2 through the water outlet hole 17 is discharged from the water outlet pipe 26.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The utility model provides a flue gas desulfurization device that boiler flue was used, includes shell (1), absorption cell (2), its characterized in that have been seted up to the inside of shell (1): the device is characterized in that an absorption liquid tank (3) is fixedly arranged on the inner wall of the absorption tank (2), a low-speed motor (4) is fixedly connected to the inside of the absorption liquid tank (3), a rotating shaft (5) is fixedly connected to the output end of the low-speed motor (4), stirring blades (6) are fixedly arranged on the outer wall of the rotating shaft (5), and a spray head (8) is communicated with the lower end of the absorption liquid tank (3);
the inside of the absorption tank (2) is fixedly connected with a collecting plate (9) positioned below the spray head (8), the inner wall of the absorption tank (2) is fixedly connected with a first air cylinder (10), and the output end of the first air cylinder (10) is fixedly connected with a scraping plate (14) which is abutted with the upper end face of the collecting plate (9);
the right side of shell (1) communicates there is collection box (7), the inside fixedly connected with second cylinder (15) of collection box (7), the up end fixedly connected with of second cylinder (15) and bottom plate (16) of the inside sliding connection of collection box (7).
2. A flue gas desulfurization device for a boiler flue according to claim 1, wherein: the scraper blade (14) comprises a connecting shaft (18), connecting holes (21) are formed in two ends of the connecting shaft (18), springs (19) are fixedly installed in the connecting holes (21), pushing rods (20) are fixedly connected to the tail ends of the springs (19), and fur brushes (25) are fixedly connected to the lower end faces of the pushing rods (20).
3. A flue gas desulfurization device for a boiler flue according to claim 1, wherein: the upper end face of the collecting plate (9) is penetrated with a plurality of uniformly distributed drain holes (17).
4. A flue gas desulfurization device for a boiler flue according to claim 1, wherein: the upper end face of the collecting box (7) is movably provided with a cover plate (23) through a bolt (22).
5. A flue gas desulfurization device for a boiler flue according to claim 1, wherein: a baffle (24) is rotatably arranged at the communication part of the shell (1) and the collecting box (7) through a hinge.
6. A flue gas desulfurization device for a boiler flue according to claim 1, wherein: the left side of shell (1) communicates there is intake pipe (13) that are located collecting plate (9) top, the junction fixedly connected with filter plate (11) of intake pipe (13) and absorption pond (2).
7. A flue gas desulfurization device for a boiler flue according to claim 1, wherein: the upper end and the lower end of the shell (1) are respectively communicated with an air outlet pipe (12) and a drain pipe (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321243889.7U CN219897658U (en) | 2023-05-22 | 2023-05-22 | Flue gas desulfurization device for boiler flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321243889.7U CN219897658U (en) | 2023-05-22 | 2023-05-22 | Flue gas desulfurization device for boiler flue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219897658U true CN219897658U (en) | 2023-10-27 |
Family
ID=88434782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321243889.7U Active CN219897658U (en) | 2023-05-22 | 2023-05-22 | Flue gas desulfurization device for boiler flue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219897658U (en) |
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2023
- 2023-05-22 CN CN202321243889.7U patent/CN219897658U/en active Active
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