CN217988914U - Novel flue gas desulfurization equipment - Google Patents
Novel flue gas desulfurization equipment Download PDFInfo
- Publication number
- CN217988914U CN217988914U CN202222124707.6U CN202222124707U CN217988914U CN 217988914 U CN217988914 U CN 217988914U CN 202222124707 U CN202222124707 U CN 202222124707U CN 217988914 U CN217988914 U CN 217988914U
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- Prior art keywords
- mixing tank
- pipe
- flue gas
- 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 39
- 239000003546 flue gas Substances 0.000 title claims abstract description 39
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 33
- 230000023556 desulfurization Effects 0.000 title claims abstract description 33
- 238000002156 mixing Methods 0.000 claims abstract description 56
- 239000002912 waste gas Substances 0.000 claims abstract description 25
- 239000007789 gas Substances 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 46
- 239000002002 slurry Substances 0.000 abstract description 29
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract description 24
- 235000011941 Tilia x europaea Nutrition 0.000 abstract description 24
- 239000004571 lime Substances 0.000 abstract description 24
- 239000007788 liquid Substances 0.000 description 16
- 230000003009 desulfurizing effect Effects 0.000 description 9
- 230000007613 environmental effect Effects 0.000 description 7
- 229910052602 gypsum Inorganic materials 0.000 description 7
- 239000010440 gypsum Substances 0.000 description 7
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model provides a novel flue gas desulfurization equipment, include: the device comprises a mixing tank, a waste gas inlet pipe and a waste gas outlet pipe are respectively arranged at two ends of the mixing tank, and an electric valve and a mixer are arranged on the mixing tank; the tank body is provided with an air outlet pipe for air outlet, and one end of the discharge pipe, which is far away from the mixing tank, is communicated with the tank body; the circulation loading attachment, the circulation loading attachment includes the pump body, feed liquor pipe and drain pipe are installed respectively to the feed end discharge end of the pump body, the feed liquor pipe with the jar body is linked together, the drain pipe is kept away from one side of the pump body is arranged in the blending tank. A waste gas inlet pipe, a mixing tank and a mixer arranged in the novel flue gas desulfurization equipment are matched, so that sulfur dioxide gas is fully absorbed; the lime slurry is recycled by the aid of the arranged circulating feeding device, and resources are saved.
Description
Technical Field
The utility model relates to a sweetener field especially relates to a novel flue gas desulfurization equipment.
Background
Limestone-gypsum flue gas desulfurization is one of the extensive desulfurization technologies in the environmental protection industry, and the current industry generally adopts a desulfurization tower and uses 3-5 layers of spraying to make the lime slurry and the sulfur dioxide-containing waste gas perform reverse gas-liquid contact, the sulfur dioxide in the waste gas is absorbed by the lime slurry to generate calcium sulfate, and finally, the desulfurized gypsum is used as a byproduct through solid-liquid separation. As a mature process used by the industry for many years, the desulfurizing tower has large occupied area and high energy consumption and low desulfurizing efficiency caused by large circulating amount of desulfurizing slurry, and the environmental protection treatment can not reach the standard easily when the sulfur dioxide in the flue gas fluctuates.
Through research, the reaction of sulfur dioxide in flue gas and lime slurry is mainly influenced by gas-liquid mass transfer resistance, and as long as the flue gas can be fully contacted with the lime slurry, the sulfur dioxide in the flue gas can rapidly enter the lime slurry, and the desulfurization can be completed rapidly.
The electric valve has larger action torque than the common valve, adjustable opening and closing action speed, simple structure and easy maintenance, and can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. In the traditional pneumatic valve action process, the valve is not easy to be damaged due to clamping because of the buffering characteristic of gas, but a gas source is needed, and a control system of the valve is more complex than that of an electric valve. The valve of this type should be generally installed horizontally in the pipeline.
Therefore, a novel flue gas desulfurization device is designed, and the desulfurization efficiency is improved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defect that prior art exists, the utility model provides a novel flue gas desulfurization equipment.
In order to solve the technical problem, the utility model discloses a technical scheme is: a novel flue gas desulfurization apparatus comprising:
the device comprises a mixing tank, a waste gas inlet pipe and a waste gas outlet pipe are respectively arranged at two ends of the mixing tank, and an electric valve and a mixer are arranged on the mixing tank;
the tank body is provided with an air outlet pipe for air outlet, and one end of the discharge pipe, which is far away from the mixing tank, is communicated with the tank body;
the circulation loading attachment, the circulation loading attachment includes the pump body, feed liquor pipe and drain pipe are installed respectively to the feed end discharge end of the pump body, the feed liquor pipe with the jar body is linked together, the drain pipe is kept away from one side of the pump body is arranged in the blending tank.
Further, the blender includes motor, spliced pole, puddler, the blending tank rotates through the bearing and is connected with the spliced pole, the spliced pole is arranged in one side in the blending tank installs the puddler, the spliced pole is arranged in one side outside the blending tank is connected with first conical gear, the power take off end of motor is connected with second conical gear through the motor shaft, first conical gear and second conical gear intermeshing.
Furthermore, the mixing tank is rotatably connected with a plurality of connecting columns through bearings, and the connecting columns are sleeved with toothed belts through gears on the connecting columns.
Furthermore, the mixing tank is rotationally connected with the motor shaft through a bearing seat, and the motor is fixedly installed on the outer wall of the mixing tank.
Further, the mixing tank is respectively provided with the waste gas inlet pipe and the exhaust pipe through pipeline connecting flanges.
Further, install the PH detector that detects its interior gaseous pH value on the jar body.
Further, install feed inlet and discharge gate on the jar body.
Further, the stirring rod is in a shape of a Chinese character 'shan'.
Furthermore, the device also comprises a plc controller, wherein the plc controller is electrically connected with the pH detector and the electric valve.
Compared with the prior art, the beneficial effects of the utility model include: the waste gas inlet pipe, the mixing tank and the mixer are matched, so that the sulfur dioxide gas is fully absorbed;
the lime slurry is recycled by the aid of the arranged circulating feeding device, and resources are saved.
Drawings
The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:
fig. 1 schematically shows a schematic overall structure according to an embodiment of the present invention;
fig. 2 schematically shows a cross-sectional structural view of a mixing tank according to an embodiment of the present invention;
fig. 3 schematically shows an enlarged structural diagram of a place a according to an embodiment of the present invention.
Reference numbers in the figures: 1. a tank body; 2. a pH detector; 3. a liquid inlet pipe; 4. a pump body; 5. a liquid outlet pipe; 6. an air outlet pipe; 7. a discharge pipe; 8. a pipeline connecting flange; 9. a mixing tank; 10. an exhaust gas inlet pipe; 11. a stirring rod; 12. connecting columns; 13. a gear; 14. an electrically operated valve; 15. a toothed belt; 16. a motor; 17. a first bevel gear; 18. a second bevel gear; 19. a motor shaft; 20. and a bearing seat.
Detailed Description
It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.
An embodiment according to the present invention is shown in conjunction with fig. 1 to 3. A novel flue gas desulfurization apparatus comprising:
the device comprises a mixing tank 9, wherein a waste gas inlet pipe 10 and a waste gas outlet pipe 7 are respectively arranged at two ends of the mixing tank 9, and an electric valve 14 and a mixer are arranged on the mixing tank 9;
the tank body 1 is provided with an air outlet pipe 6 for air outlet, and one end of the discharge pipe 7 far away from the mixing tank 9 is communicated with the tank body 1;
the circulation loading attachment, circulation loading attachment include the pump body 4, and feed liquor pipe 3 and drain pipe 5 are installed respectively to the feed end discharge end of the pump body 4, and feed liquor pipe 3 is linked together with jar body 1, and the blending tank 9 is arranged in to one side that the pump body 4 was kept away from to drain pipe 5. Limestone-gypsum flue gas desulfurization is one of the extensive desulfurization technologies in the environmental protection industry, and the current industry generally adopts a desulfurization tower, uses 3-5 layers of spraying to make lime slurry and waste gas containing sulfur dioxide perform reverse gas-liquid contact, the sulfur dioxide in the waste gas is absorbed by the lime slurry to generate calcium sulfate, and finally, the desulfurized gypsum is used as a byproduct through solid-liquid separation. As a mature process used for many years in the industry, the desulfurizing tower has large occupied area and high energy consumption and low desulfurizing efficiency caused by large circulating amount of desulfurizing slurry, and the environmental protection treatment can not reach the standard easily when sulfur dioxide in flue gas fluctuates. Through research, the reaction of sulfur dioxide in flue gas and lime slurry is mainly the influence of gas-liquid mass transfer resistance, and as long as the flue gas can be fully contacted with the lime slurry, the sulfur dioxide in the flue gas can rapidly enter the lime slurry, and the desulfurization can be completed rapidly. Therefore, a novel flue gas desulfurization device is designed, and the desulfurization efficiency is improved. At first, waste gas lets in jar 10 and lets in sulfur dioxide waste gas, starts pump body 4 and conveys the lime thick liquid in jar body 1 to the blending tank 9 in, and electric valve 14 blocks the blending tank 9 bottom this moment, restarts the blender for sulfur dioxide and lime thick liquid intensive mixing absorb sulfur dioxide. The electrically operated valve 14 is then opened so that the contents of the mixing tank 9 move by gravity into the tank 1. The pump body 4 is restarted to continuously circulate the lime slurry in the mixing tank 9. Continuously absorbing sulfur dioxide, and moving normal gas from the gas outlet pipe 6 to the external space. Thereby realizing the waste gas treatment.
Specifically, as shown in fig. 3, the mixer includes a motor 16, a connecting column 12 and a stirring rod 11, the mixing tank 9 is rotatably connected with the connecting column 12 through a bearing, the stirring rod 11 is installed on one side of the connecting column 12 arranged in the mixing tank 9, one side of the connecting column 12 arranged outside the mixing tank 9 is connected with a first bevel gear 17, a power output end of the motor 16 is connected with a second bevel gear 18 through a motor shaft 19, and the first bevel gear 17 and the second bevel gear 18 are meshed with each other. The motor 16 is started to make the first bevel gear 17 and the second bevel gear 18 meshed, so that the connecting column 12 and the stirring rod 11 rotate to stir.
Specifically, as shown in fig. 1, the mixing tank 9 is rotatably connected with a plurality of connecting columns 12 through bearings, and the plurality of connecting columns 12 are sleeved with toothed belts 15 through gears 13 thereon. The plurality of coupling posts 12 are rotated together by the toothed belt 15, so that the plurality of agitating bars 11 are rotated. The stirring effect is improved.
Specifically, as shown in fig. 1, the mixing tank 9 is rotatably connected to a motor shaft 19 through a bearing seat 20, and the motor 16 is fixedly installed on the outer wall of the mixing tank 9. So that the stirrer operates stably.
Specifically, as shown in fig. 1, the mixing tank 9 is provided with an exhaust gas inlet pipe 10 and an exhaust pipe 7 through a pipe connection flange 8. Specific embodiments are provided.
Specifically, as shown in fig. 1, a PH detector 2 for detecting a PH value of a gas in a tank 1 is installed on the tank. Whether the waste gas is treated is convenient to detect. The PH meter is an important tool for measuring and reflecting the pH value of a solution, the types and products of the PH meter are various, the display mode also has two options of pointer display and digital display, but the working principle of the PH meter is the same no matter how the types of the PH meter are changed, and the main body of the PH meter is a precise potentiometer.
Specifically, as shown in fig. 1, a feed inlet and a discharge outlet are arranged on the tank body 1. The replacement and the addition of lime slurry are convenient.
Specifically, as shown in fig. 1, the stirring rod 11 has a chevron shape.
Specifically, as shown in fig. 1, the PH sensor further includes a plc controller electrically connected to the PH detector 2 and the electrically operated valve 14.
In the embodiment, limestone-gypsum flue gas desulfurization is one of the extensive desulfurization technologies in the environmental protection industry, and the current industry generally adopts a desulfurization tower, and 3-5 layers of spraying are used, so that lime slurry is in reverse gas-liquid contact with sulfur dioxide-containing waste gas, the sulfur dioxide in the waste gas is absorbed by the lime slurry to generate calcium sulfate, and finally, the desulfurized gypsum is used as a byproduct through solid-liquid separation. As a mature process used for many years in the industry, the desulfurizing tower has large occupied area and high energy consumption and low desulfurizing efficiency caused by large circulating amount of desulfurizing slurry, and the environmental protection treatment can not reach the standard easily when sulfur dioxide in flue gas fluctuates.
Through research, the reaction of sulfur dioxide in flue gas and lime slurry is mainly the influence of gas-liquid mass transfer resistance, and as long as the flue gas can be fully contacted with the lime slurry, the sulfur dioxide in the flue gas can rapidly enter the lime slurry, and the desulfurization can be completed rapidly.
The sulfur dioxide-containing waste gas enters the mixing tank 9 from the waste gas inlet pipe 10 and is mixed with the circulating slurry in the mixing tank 9 in the forward direction to enter the mixing tank 9, and a guide pipe and a mixer are arranged in the mixing tank 9 to ensure that the flue gas is fully contacted with the circulating slurry, so that the flue gas and the circulating slurry are mixed and react. The flue gas after the mixing reaction and the lime slurry liquid mixer enter the tank body 1 to be subjected to gas-liquid separation, and the waste gas after gas-liquid separation is discharged through the gas outlet pipe 6 after reaching the standard. The extracted gypsum and lime slurry are fed continuously into the tank 1. The pH value of the lime slurry in the tank body 1 is controlled to be 5-7 according to different sulfur dioxide contents in the flue gas, so that the flue gas can reach the environmental emission standard after being absorbed.
The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.
Claims (9)
1. A novel flue gas desulfurization device is characterized by comprising:
the waste gas mixing device comprises a mixing tank (9), wherein a waste gas inlet pipe (10) and a waste gas outlet pipe (7) are respectively arranged at two ends of the mixing tank (9), and an electric valve (14) and a mixer are arranged on the mixing tank (9);
the gas outlet pipe (6) for gas outlet is mounted on the tank body (1), and one end, far away from the mixing tank (9), of the discharge pipe (7) is communicated with the tank body (1);
circulation loading attachment, circulation loading attachment includes the pump body (4), feed liquor pipe (3) and drain pipe (5) are installed respectively to the feed end discharge end of the pump body (4), feed liquor pipe (3) with jar body (1) is linked together, drain pipe (5) are kept away from one side of the pump body (4) is arranged in blending tank (9).
2. The novel flue gas desulfurization device according to claim 1, wherein the mixer comprises a motor (16), a connecting column (12) and a stirring rod (11), the mixing tank (9) is rotatably connected with the connecting column (12) through a bearing, the stirring rod (11) is installed on one side of the connecting column (12) arranged in the mixing tank (9), one side of the connecting column (12) arranged outside the mixing tank (9) is connected with a first bevel gear (17), the power output end of the motor (16) is connected with a second bevel gear (18) through a motor shaft (19), and the first bevel gear (17) and the second bevel gear (18) are meshed with each other.
3. The novel flue gas desulfurization device according to claim 2, characterized in that said mixing tank (9) is rotatably connected with a plurality of said connecting columns (12) through bearings, and a toothed belt (15) is sleeved on said connecting columns (12) through gears (13) thereon.
4. The novel flue gas desulfurization device of claim 2, wherein said mixing tank (9) is rotatably connected to said motor shaft (19) through a bearing seat (20), and said motor (16) is fixedly installed on the outer wall of said mixing tank (9).
5. The flue gas desulfurization apparatus according to claim 1, wherein said mixing tank (9) is provided with said exhaust gas introduction pipe (10) and said exhaust pipe (7) through pipe connection flanges (8), respectively.
6. The novel flue gas desulfurization device according to claim 1, characterized in that a PH detector (2) for detecting the PH value of the gas in the tank body (1) is installed thereon.
7. The novel flue gas desulfurization device of claim 1, wherein the tank body (1) is provided with a feeding port and a discharging port.
8. A new type of flue gas desulfurization plant according to claim 2, characterized in that the stirring rod (11) is in the shape of a chevron.
9. The novel flue gas desulfurization device according to claim 6, further comprising a plc controller, wherein the plc controller is electrically connected to the pH detector (2) and the electrically operated valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222124707.6U CN217988914U (en) | 2022-08-12 | 2022-08-12 | Novel flue gas desulfurization equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222124707.6U CN217988914U (en) | 2022-08-12 | 2022-08-12 | Novel flue gas desulfurization equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217988914U true CN217988914U (en) | 2022-12-09 |
Family
ID=84321068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222124707.6U Active CN217988914U (en) | 2022-08-12 | 2022-08-12 | Novel flue gas desulfurization equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217988914U (en) |
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2022
- 2022-08-12 CN CN202222124707.6U patent/CN217988914U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 048000 High tech Industrial Park, Yangcheng Economic and Technological Development Zone, Fengcheng Town, Yangcheng County, Jincheng City, Shanxi Province Patentee after: Shanxi Xintu Chemical Co.,Ltd. Address before: 048100 about 650m east of shangbaisang village, Manghe Town, Yangcheng County, Jincheng City, Shanxi Province Patentee before: Shanxi Xintu Chemical Co.,Ltd. |
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| CP03 | Change of name, title or address |