CN219539923U - Spray set for wet flue gas desulfurization - Google Patents
Spray set for wet flue gas desulfurization Download PDFInfo
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- CN219539923U CN219539923U CN202320747862.5U CN202320747862U CN219539923U CN 219539923 U CN219539923 U CN 219539923U CN 202320747862 U CN202320747862 U CN 202320747862U CN 219539923 U CN219539923 U CN 219539923U
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Abstract
The utility model discloses a spray device for wet desulfurization, and relates to the technical field of waste gas desulfurization equipment. The utility model comprises a shell, wherein an air inlet pipe and an air exhaust pipe are fixedly arranged and communicated with the side end of the shell, a liquid inlet pipe is fixedly arranged and communicated with the top end of the shell, a liquid discharge pipe is fixedly arranged and communicated with the bottom end of the shell, an annular water pipe is rotatably arranged in the shell, the annular water pipe is rotatably connected with the air exhaust pipe and communicated with the air exhaust pipe, a plurality of spray heads are uniformly arranged and communicated with the annular water pipe, a layered isolation plate is fixedly arranged in the shell, a plurality of bubble separation holes are formed in the layered isolation plate, a double-headed motor is fixedly arranged in the layered isolation plate, a first rotating shaft is rotatably arranged at the top end of the layered isolation plate, a driving end of the double-headed motor is fixedly connected with the first rotating shaft, a first stirring blade is fixedly arranged on the first rotating shaft, and the top end of the first rotating shaft is fixedly connected with the annular water pipe, so that the contact area of desulfurization liquid and waste gas can be improved, and the falling efficiency can be improved.
Description
Technical Field
The utility model belongs to the technical field of waste gas desulfurization equipment, and particularly relates to a spray device for wet desulfurization.
Background
Coal fired power plants use coal as main fuel to generate electricity, the coal is directly combusted to release a large amount of SO2, SO that atmospheric environment pollution is caused, desulfurization treatment is needed in an exhaust emission flow, wet desulfurization is a common desulfurization device, and a spraying device is arranged in the desulfurization device and is used for spraying desulfurization liquid into a desulfurization tower.
The wet desulfurization device with the prior patent application number of CN202021981837.6 comprises: the desulfurizing tower, and the flue gas inlet section, the desulfurizing efficiency improving component, the spraying layer and the mist removing layer are sequentially arranged in the desulfurizing tower from bottom to top; a flue gas rectifying module is arranged in the desulfurization efficiency improving component; the flue gas rectifying module distributes flue gas from the flue gas inlet section into flue gas with high flow velocity near the center of the flue gas discharge hole and low flow velocity around the center of the flue gas discharge hole; the liquid drops sprayed out of the spraying layer form a distribution pattern with high liquid drop quantity in the center of the spraying layer and low liquid drop quantity around the spraying layer. By adopting the distribution pattern of the flue gas rectifying module and the corresponding spraying layer in the utility model, the utilization rate of spraying slurry and the desulfurization efficiency can be improved, thereby reducing the volume of the desulfurization tower and reducing the investment cost and the operation cost.
And when the desulfurization treatment is carried out on the flue gas, the flue gas enters the desulfurization tower, the flue gas cannot be sufficiently dispersed and can not be sufficiently contacted with the desulfurization liquid, the thorough desulfurization treatment can not be obtained on the flue gas, and the desulfurization effect is poor.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a spray device for wet desulfurization, which can overcome the problems or at least partially solve the problems.
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that: the utility model provides a spray set for wet flue gas desulfurization, includes the casing, the casing intussuseption is filled with the desulfurizing liquid, the side fixed mounting and the intercommunication of casing have intake pipe and blast pipe, the top fixed mounting and the intercommunication of casing have the feed liquor pipe, the bottom fixed mounting and the intercommunication of casing have the fluid-discharge tube, annular water pipe is installed to the casing internal rotation, annular water pipe with the blast pipe rotates to be connected and with the blast pipe intercommunication, evenly install and communicate a plurality of shower heads on the annular water pipe, fixed mounting has the layering division board in the casing, be equipped with a plurality of bubble minute holes on the layering division board, fixed mounting has the double-end motor in the layering division board, the top rotation of layering division board is installed first axis of rotation, the drive end of double-end motor with first axis of rotation fixed connection, fixed mounting has first stirring paddle on the first axis of rotation, the top of first axis with annular water pipe fixed connection.
In order to crush the bubbles just emerging from the air inlet pipe, preferably, the bottom end of the layered isolation plate is rotatably provided with a second rotating shaft, the other output end of the double-headed motor is rotatably connected with the second rotating shaft, and a second stirring blade is fixedly arranged on the second rotating shaft.
In order to limit the positions of the devices, further, the liquid level of the desulfurizing liquid is higher than the height of the first stirring blade, the orifice of the air inlet pipe faces downwards, and the second stirring blade is positioned above the air inlet pipe.
In order to place bubbles to be adsorbed on the bottom surfaces of the first stirring blade and the second stirring blade, further, a plurality of fine through holes are formed in each of the first stirring blade and the second stirring blade.
In order to prolong the time of the exhaust gas bubbles in the desulfurizing liquid, preferably, the bottom surface of the layered isolation plate is an arc surface, the included angle between the highest position of the arc surface and the horizontal plane is minimum, and the lower the arc surface is, the larger the included angle between the arc surface and the horizontal plane is.
After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects: according to the spray device for wet desulfurization, exhaust gas is discharged from the desulfurization liquid, bubbles generated by discharge are crushed by the second stirring blade and the first stirring blade, fine exhaust gas bubbles are generated, the contact area between the exhaust gas bubbles and the desulfurization liquid is increased, the exhaust gas crushed from the liquid surface of the desulfurization liquid can be uniformly dispersed and float upwards, meanwhile, the spray head for spraying the desulfurization liquid is rotated in a surrounding mode, the sprayed desulfurization liquid drops are prevented from having dead angles which cannot contact with the exhaust gas, the contact area between the desulfurization liquid and the exhaust gas is further increased, and the shedding efficiency is improved.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic view of the internal overall structure of the present utility model;
FIG. 2 is a schematic diagram of a drive configuration of the present utility model;
fig. 3 is a schematic view of the internal structure of the layered separator of the present utility model.
In the figure: 1. a housing; 101. an air inlet pipe; 102. a liquid inlet pipe; 103. an exhaust pipe; 104. a liquid discharge pipe; 2. a layered separator; 201. separating holes of bubbles; 3. a double-ended motor; 4. a first rotation shaft; 5. a first stirring blade; 6. an annular water pipe; 7. a spray header; 8. a second rotation shaft; 9. a second stirring blade; 10. fine through holes.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
Examples:
referring to fig. 1-3, a spray device for wet desulfurization comprises a housing 1, desulfurization liquid is filled in the housing 1, an air inlet pipe 101 and an air outlet pipe 103 are fixedly installed and communicated with the side end of the housing 1, a liquid inlet pipe 102 is fixedly installed and communicated with the top end of the housing 1, a liquid outlet pipe 104 is fixedly installed and communicated with the bottom end of the housing 1, an annular water pipe 6 is rotatably installed in the housing 1, the annular water pipe 6 is rotatably connected with the air outlet pipe 103 and is communicated with the air outlet pipe 103, a plurality of spray heads 7 are uniformly installed and communicated on the annular water pipe 6, a layered isolation plate 2 is fixedly installed in the housing 1, a plurality of bubble separation holes 201 are formed in the layered isolation plate 2, a double-head motor 3 is fixedly installed in the layered isolation plate 2, a first rotating shaft 4 is rotatably installed at the top end of the layered isolation plate 2, a driving end of the double-head motor 3 is fixedly connected with the first rotating shaft 4, a first stirring blade 5 is fixedly installed on the first rotating shaft 4, and the top end of the first rotating shaft 4 is fixedly connected with the annular water pipe 6.
The bottom of the layered isolation plate 2 is rotatably provided with a second rotating shaft 8, the other output end of the double-headed motor 3 is rotatably connected with the second rotating shaft 8, a second stirring blade 9 is fixedly arranged on the second rotating shaft 8, the liquid level of the desulfurizing liquid is higher than the height of the first stirring blade 5, the mouth of the air inlet pipe 101 is downward, the second stirring blade 9 is positioned above the air inlet pipe 101, a plurality of fine through holes 10 are formed in the first stirring blade 5 and the second stirring blade 9, the exhaust gas discharged from the air inlet pipe 101 can generate large bubbles, the second stirring blade 9 is rotated and broken into fine small bubbles, the first stirring blade 5 and the second stirring blade 9 stir and break the bubbles in the desulfurizing liquid at the upper end and the lower end of the layered isolation plate 2, the contact area of the exhaust gas and the desulfurizing liquid is increased, and the fine bubbles are prevented from being absorbed on the bottom surface of the second stirring blade 9 by the fine through holes 10.
The bottom surface of layering division board 2 is the arcwall face, and the contained angle of arcwall face highest position and horizontal plane is minimum, and the arcwall face position is lower the department, and the contained angle with the horizontal plane is bigger the bigger, when the bottom surface of bubble upwards floating contact layering division board 2, can upwards move along the bottom surface outer wall of layering division board 2, along with the radian is flatter and flatter, the time of bubble and layering division board 2 contact also gets longer and longer, if the radian is steeper and steeper, the bubble can upwards move fast, and the time of contact with layering division board 2 is also short, and the time of staying in the desulfurizing liquid is also short.
According to the utility model, the liquid discharge pipe 104 is closed, the desulfurization liquid is injected into the shell 1 through the exhaust pipe 103, the liquid level of the desulfurization liquid is higher than the first stirring blade 5, the double-headed motor 3 is started, the first rotating shaft 4 and the second rotating shaft 8 are enabled to rotate, the first stirring blade 5, the second stirring blade 9 and the annular water pipe 6 are enabled to rotate along with the rotation, the liquid discharge pipe 104 is opened, the outflow rate of the desulfurization liquid is controlled, the outflow rate of the liquid discharge pipe 104 is equal to the speed of the desulfurization liquid introduced into the shell 1 through the exhaust pipe 103, the waste gas to be desulfurized is discharged into the shell 1 through the air inlet pipe 101, the waste gas generates large bubbles, the bubbles are crushed through the rotation of the second stirring blade 9, fine waste gas bubbles are formed to contact the desulfurization liquid, the fine bubbles float upwards along the arc-shaped surface of the bottom surface of the layered separation plate 2, finally move to the upper side of the layered separation plate 2 from the bubble separation hole 201, the fine waste gas bubbles are further rotated and crushed by the first stirring blade 5 in the process of moving upwards, the large bubbles are prevented from being gathered in the process of moving upwards, after the bubbles are crushed, the liquid level of the desulfurization liquid is enabled to float to be contacted with the desulfurization liquid sprayed out of the spray head 7, the annular water 6 is enabled to rotate around the annular water 7, the desulfurization liquid is blown out of the shell in a mode, and the desulfurization liquid is blown out of the shell 102 is finally by the surface is blown out from the shell around the shell in a mode, and the desulfurization liquid is formed by the surface after the rotation mode is blown out from the surface by the spray head and is completely around the surface.
The present utility model is not limited to the above embodiments, but is not limited to the above embodiments, and any person skilled in the art will appreciate that the present utility model is not limited to the above embodiments.
Claims (5)
1. The utility model provides a spray set for wet flue gas desulfurization, includes casing (1), it has the desulfurizing liquid to fill in casing (1), the side fixed mounting of casing (1) has intake pipe (101) and blast pipe (103) to communicate, the top fixed mounting of casing (1) has feed liquor pipe (102) to communicate, the bottom fixed mounting of casing (1) has fluid-discharge tube (104) to communicate, its characterized in that: annular water pipe (6) are installed in casing (1) rotation, annular water pipe (6) with blast pipe (103) rotate to be connected and with blast pipe (103) intercommunication, evenly install and communicate a plurality of shower heads (7) on annular water pipe (6), fixed mounting has layering division board (2) in casing (1), be equipped with a plurality of bubble minute holes (201) on layering division board (2), fixed mounting has double-end motor (3) in layering division board (2), the top rotation of layering division board (2) install first axis of rotation (4), the drive end of double-end motor (3) with first axis of rotation (4) fixed connection, fixed mounting has first stirring paddle (5) on first axis of rotation (4), the top of first axis of rotation (4) with annular water pipe (6) fixed connection.
2. The spray device for wet desulfurization according to claim 1, wherein: the bottom of the layered isolation plate (2) is rotatably provided with a second rotating shaft (8), the other output end of the double-headed motor (3) is rotatably connected with the second rotating shaft (8), and a second stirring blade (9) is fixedly arranged on the second rotating shaft (8).
3. The spray device for wet desulfurization according to claim 2, wherein: the liquid level of the desulfurizing liquid is higher than the height of the first stirring blade (5), the orifice of the air inlet pipe (101) faces downwards, and the second stirring blade (9) is positioned above the air inlet pipe (101).
4. A spray device for wet desulfurization according to claim 3, characterized in that: a plurality of fine through holes (10) are formed in the first stirring blade (5) and the second stirring blade (9).
5. The spray device for wet desulfurization according to claim 1, wherein: the bottom surface of layering division board (2) is the arcwall face, the contained angle of arcwall face highest position and horizontal plane is minimum, the lower the arcwall face position is, the greater the contained angle with the horizontal plane is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320747862.5U CN219539923U (en) | 2023-04-07 | 2023-04-07 | Spray set for wet flue gas desulfurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320747862.5U CN219539923U (en) | 2023-04-07 | 2023-04-07 | Spray set for wet flue gas desulfurization |
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| Publication Number | Publication Date |
|---|---|
| CN219539923U true CN219539923U (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320747862.5U Active CN219539923U (en) | 2023-04-07 | 2023-04-07 | Spray set for wet flue gas desulfurization |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117563410A (en) * | 2023-12-05 | 2024-02-20 | 中煤科工保定清洁能源有限公司 | Flue gas desulfurization treatment device for pulverized coal boiler |
-
2023
- 2023-04-07 CN CN202320747862.5U patent/CN219539923U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117563410A (en) * | 2023-12-05 | 2024-02-20 | 中煤科工保定清洁能源有限公司 | Flue gas desulfurization treatment device for pulverized coal boiler |
| CN117563410B (en) * | 2023-12-05 | 2024-06-07 | 中煤科工保定清洁能源有限公司 | Flue gas desulfurization treatment device for pulverized coal boiler |
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