CN213824139U - Device for improving flue gas purification of baking soda - Google Patents
Device for improving flue gas purification of baking soda Download PDFInfo
- Publication number
- CN213824139U CN213824139U CN202022657881.8U CN202022657881U CN213824139U CN 213824139 U CN213824139 U CN 213824139U CN 202022657881 U CN202022657881 U CN 202022657881U CN 213824139 U CN213824139 U CN 213824139U
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- CN
- China
- Prior art keywords
- flue gas
- baking soda
- spraying pipe
- powder spraying
- desulfurizing tower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 title claims abstract description 112
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 239000003546 flue gas Substances 0.000 title claims abstract description 57
- 229910000030 sodium bicarbonate Inorganic materials 0.000 title claims abstract description 56
- 235000017557 sodium bicarbonate Nutrition 0.000 title claims abstract description 56
- 238000000746 purification Methods 0.000 title claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 55
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 35
- 238000005507 spraying Methods 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 13
- 239000010813 municipal solid waste Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000006477 desulfuration reaction Methods 0.000 description 22
- 230000023556 desulfurization Effects 0.000 description 22
- 239000000779 smoke Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000010791 domestic waste Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a device for improving the flue gas purification of baking soda, which comprises a desulfurizing tower, wherein the upper end and the lower end of the desulfurizing tower are respectively connected with a flue gas inlet pipeline and a flue gas outlet pipeline, a first powder spraying pipe is arranged on the flue gas inlet pipeline, a second powder spraying pipe is arranged on the flue gas outlet pipeline, and the first powder spraying pipe and the flue gas inlet pipeline, and the second powder spraying pipe and the flue gas outlet pipeline are all connected through a mixing cavity; the second powder spraying pipe and the first powder spraying pipe are connected through a sodium bicarbonate powder supply device, a liquid storage tank is arranged at the upper end of the desulfurizing tower, and the liquid storage tank is connected with the top of the desulfurizing tower through a pipeline. The scheme effectively solves the problem of insufficient contact between the baking soda and the flue gas, strengthens the disturbance of the baking soda, increases the reaction chance of the flue gas and the baking soda, and reduces the burden of the subsequent process. The reaction efficiency of the baking soda is effectively improved, and the using amount of the baking soda is reduced. Can be widely applied to the field of household garbage incineration treatment and has popularization value.
Description
Technical Field
The utility model relates to a rubbish burning flue gas handles technical field, concretely relates to improve baking soda flue gas cleaning's device.
Background
Along with the improvement of the living standard of people, the output of urban domestic garbage is increasing day by day, and the domestic garbage brings serious environmental pollution, threatens the health and ecological balance of human beings, and becomes a public nuisance. How to treat and utilize the garbage and change waste into valuable is a problem of general attention in the global scope. At present, most of municipal domestic wastes are treated in a centralized landfill mode, and some municipal domestic wastes are used for producing fertilizers or converting combustible substances in the wastes into energy sources in a boiler combustion mode. Flue gas generated by boiler combustion needs to be subjected to harmless treatment, and during the flue gas purification process, the baking soda is sprayed into the flue gas purification device and is usually arranged between a flue gas outlet pipeline of a desulfurizing tower and a bag-type dust collector, so that the reaction distance of the baking soda is too short, and the reaction efficiency of the baking soda is low.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough among the prior art, the utility model provides an improve baking soda reaction efficiency's gas cleaning's device.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
the device comprises a desulfurizing tower, wherein the upper end and the lower end of the desulfurizing tower are respectively connected with a smoke inlet pipeline and a smoke outlet pipeline, a first powder injection pipe is arranged on the smoke inlet pipeline, a second powder injection pipe is arranged on the smoke outlet pipeline, and the first powder injection pipe and the smoke inlet pipeline as well as the second powder injection pipe and the smoke outlet pipeline are connected through a mixing cavity; the second powder spraying pipe and the first powder spraying pipe are connected through a sodium bicarbonate powder supply device, a liquid storage tank is arranged at the upper end of the desulfurizing tower, and the liquid storage tank is connected with the top of the desulfurizing tower through a pipeline.
This scheme purifies the flue gas when being used for msw incineration, and the flue gas gets into the desulfurizing tower through advancing the tobacco pipe way, carries out desulfurization treatment, before getting into the desulfurizing tower and after the flue gas desulfurization, all fills into the baking soda powder in to the flue gas for baking soda can with the flue gas intensive mixing, is used as flue gas desulfurization's adsorbent. The acidic pollutant in the smoke is removed by chemical adsorption, and meanwhile, some inorganic and organic trace substances can be removed by physical adsorption. The reaction efficiency of the baking soda is effectively improved, and the using amount of the baking soda is reduced.
Furthermore, a second control valve and a first control valve are respectively arranged on the second powder spraying pipe and the first powder spraying pipe.
The second control valve and the first control valve are respectively used for controlling the second powder spraying pipe and the first powder spraying pipe, so that the amount of baking soda sprayed into flue gas by the second powder spraying pipe and the first powder spraying pipe can be conveniently controlled.
Furthermore, a stirring paddle is arranged in the mixing cavity, the end part of the stirring paddle is connected with a rotating shaft of a motor, and the motor is fixed on the mixing cavity.
The stirring paddle is used for stirring the baking soda powder sprayed into the smoke outlet pipeline and the smoke inlet pipeline, so that the baking soda powder can be fully and uniformly mixed with smoke, and the reaction efficiency of the baking soda is further promoted.
Further, the stirring rake includes the puddler, is provided with a plurality of stirring boards on the puddler.
Furthermore, the stirring plates are uniformly distributed in two rows, and the two rows of stirring plates are symmetrically distributed on the stirring rod.
The stirring board of this scheme is at rotatory in-process, beats the powder, increases the activity of powder in mixing the intracavity, increases the mixed effect of baking soda and flue gas.
Further, a water pump is arranged on a pipeline between the liquid storage tank and the desulfurizing tower.
The liquid storage tank of the scheme stores the desulfurization liquid, and the water pump provides power for discharging the desulfurization liquid into the desulfurization tower, so that the desulfurization liquid is uniformly sprayed into the desulfurization tower.
Further, a third control valve is arranged between the water pump and the liquid storage tank.
The third control valve of the scheme is convenient for controlling the pipe break of the desulfurization solution and controlling the amount of the desulfurization solution.
Furthermore, a plurality of nozzles are arranged in the top of the desulfurizing tower, the nozzles are all installed on the water distribution pipe, and the water distribution pipe is connected with a water outlet of the water pump through a pipeline.
This scheme sprays the desulfurization liquid in to the desulfurizing tower through a plurality of nozzles, ensures the desulfurization effect of desulfurizing tower, does not have the dead angle in the desulfurizing tower.
The utility model has the advantages that: the scheme effectively solves the problem of insufficient contact between the baking soda and the flue gas, strengthens the disturbance of the baking soda, increases the reaction chance of the flue gas and the baking soda, and reduces the burden of the subsequent process. The reaction efficiency of the baking soda is effectively improved, and the using amount of the baking soda is reduced. Can be widely applied to the field of household garbage incineration treatment and has popularization value.
Drawings
Fig. 1 is a schematic diagram of the structure of a device for improving the purification of baking soda smoke.
Fig. 2 is a schematic view of the internal structure of the mixing chamber.
FIG. 3 is a side view of the stirring paddle.
Wherein: 1. the device comprises a desulfurizing tower, 2, a smoke inlet pipeline, 3, a mixing cavity, 4, a first powder spraying pipe, 5, a water pump, 6, a liquid storage tank, 7, a water dividing pipe, 8, a nozzle, 9, a third control valve, 10, a first control valve, 11, a second control valve, 12, a second powder spraying pipe, 13, a baking soda powder supply device, 14, a smoke outlet pipeline, 15, a stirring plate, 16, a stirring rod, 17 and a motor.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.
As shown in fig. 1 to 3, the device for improving the flue gas purification of baking soda provided by the present invention comprises a desulfurizing tower 1, wherein the upper end and the lower end of the desulfurizing tower 1 are respectively connected to a flue gas inlet pipeline 2 and a flue gas outlet pipeline 14, a first powder injection pipe 4 is arranged on the flue gas inlet pipeline 2, a second powder injection pipe 12 is arranged on the flue gas outlet pipeline 14, and the first powder injection pipe 4 is connected with the flue gas inlet pipeline 2, and the second powder injection pipe 12 is connected with the flue gas outlet pipeline 14 through a mixing chamber 3; the second powder spraying pipe 12 and the first powder spraying pipe 4 are connected through a sodium bicarbonate powder supply device 13, a liquid storage tank 6 is arranged at the upper end of the desulfurizing tower 1, and the liquid storage tank 6 is connected with the top of the desulfurizing tower 1 through a pipeline.
This scheme purifies the flue gas when being used for msw incineration, and the flue gas gets into desulfurizing tower 1 through advancing tobacco pipe 2, carries out desulfurization treatment, before getting into desulfurizing tower 1 and after the flue gas desulfurization, all fills into the baking soda powder in to the flue gas for baking soda can with the flue gas intensive mixing, is used as flue gas desulfurization's adsorbent. The acidic pollutant in the smoke is removed by chemical adsorption, and meanwhile, some inorganic and organic trace substances can be removed by physical adsorption. The reaction efficiency of the baking soda is effectively improved, and the using amount of the baking soda is reduced.
The second powder spraying pipe 12 and the first powder spraying pipe 4 are respectively provided with a second control valve 11 and a first control valve 10, and the second control valve 11 and the first control valve 10 are respectively used for controlling the second powder spraying pipe 12 and the first powder spraying pipe 4, so that the amount of baking soda sprayed into flue gas by the second powder spraying pipe 12 and the first powder spraying pipe 4 can be conveniently controlled.
A stirring paddle is arranged in the mixing cavity 3, the end part of the stirring paddle is connected with a rotating shaft of a motor 17, and the motor 17 is fixed on the mixing cavity 3; the stirring paddle is used for stirring the baking soda powder sprayed into the smoke outlet pipeline 14 and the smoke inlet pipeline 2, so that the baking soda powder can be fully and uniformly mixed with smoke, and the reaction efficiency of the baking soda is further promoted.
The stirring rake includes puddler 16, is provided with a plurality of stirring boards 15 on the puddler 16, and a plurality of stirring boards 15 become two rows of evenly distributed, and two rows of stirring boards 15 symmetric distribution are on puddler 16. The stirring plate 15 beats the powder in the rotating process, so that the activity of the powder in the mixing cavity 3 is increased, and the mixing effect of the baking soda and the smoke is increased.
A water pump 5 is arranged on a pipeline between the liquid storage tank 6 and the desulfurizing tower 1; the liquid storage tank 6 is internally stored with desulfurization liquid, and the water pump 5 provides power for discharging the desulfurization liquid into the desulfurization tower 1, so that the desulfurization liquid is uniformly sprayed into the desulfurization tower 1. A third control valve 9 is arranged between the water pump 5 and the liquid storage tank 6; the third control valve 9 facilitates control of the shut-off of the desulfurization solution and control of the amount of the desulfurization solution.
A plurality of nozzles 8 are arranged in the top of the desulfurizing tower 1, the nozzles 8 are all arranged on a water distribution pipe 7, and the water distribution pipe 7 is connected with a water outlet of the water pump 5 through a pipeline; the desulfurizing liquid is sprayed into the desulfurizing tower 1 through a plurality of nozzles 8, the desulfurizing effect of the desulfurizing tower 1 is ensured, and no dead angle exists in the desulfurizing tower 1.
The scheme effectively solves the problem of insufficient contact between the baking soda and the flue gas, strengthens the disturbance of the baking soda, increases the reaction chance of the flue gas and the baking soda, and reduces the burden of the subsequent process. The reaction efficiency of the baking soda is effectively improved, and the using amount of the baking soda is reduced. Can be widely applied to the field of household garbage incineration treatment and has popularization value.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The device for improving the flue gas purification of baking soda is characterized by comprising a desulfurizing tower (1), wherein the upper end and the lower end of the desulfurizing tower (1) are respectively connected with a flue gas inlet pipeline (2) and a flue gas outlet pipeline (14), a first powder spraying pipe (4) is arranged on the flue gas inlet pipeline (2), a second powder spraying pipe (12) is arranged on the flue gas outlet pipeline (14), and the first powder spraying pipe (4) is connected with the flue gas inlet pipeline (2), and the second powder spraying pipe (12) is connected with the flue gas outlet pipeline (14) through a mixing cavity (3); the second powder spraying pipe (12) and the first powder spraying pipe (4) are connected with a baking soda powder supply device (13), a liquid storage tank (6) is arranged at the upper end of the desulfurizing tower (1), and the liquid storage tank (6) is connected with the top of the desulfurizing tower (1) through a pipeline.
2. The apparatus for improving the flue gas purification of baking soda as claimed in claim 1, characterized in that the second powder injection pipe (12) and the first powder injection pipe (4) are respectively provided with a second control valve (11) and a first control valve (10).
3. The device for improving the flue gas purification of baking soda as claimed in claim 1, characterized in that a stirring paddle is arranged in the mixing chamber (3), the end of the stirring paddle is connected with the rotating shaft of the motor (17), and the motor (17) is fixed on the mixing chamber (3).
4. The apparatus for improving the flue gas purification of baking soda as claimed in claim 3, characterised in that the stirring paddle comprises a stirring rod (16), and a plurality of stirring plates (15) are arranged on the stirring rod (16).
5. The apparatus for improving the flue gas purification of baking soda as claimed in claim 4, wherein a plurality of said stirring plates (15) are uniformly distributed in two rows, and the two rows of stirring plates (15) are symmetrically distributed on the stirring rod (16).
6. The apparatus for improving the flue gas purification of baking soda as claimed in claim 1, characterised in that a water pump (5) is arranged on the pipe between the liquid storage tank (6) and the desulphurisation tower (1).
7. The apparatus for improving baking soda flue gas cleaning according to claim 6, characterized in that a third control valve (9) is arranged between the water pump (5) and the liquid storage tank (6).
8. The device for improving the flue gas purification of baking soda as claimed in claim 6, characterized in that a plurality of nozzles (8) are arranged in the top of the desulfurizing tower (1), a plurality of nozzles (8) are all installed on a water diversion pipe (7), and the water diversion pipe (7) is connected with the water outlet of a water pump (5) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022657881.8U CN213824139U (en) | 2020-11-17 | 2020-11-17 | Device for improving flue gas purification of baking soda |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022657881.8U CN213824139U (en) | 2020-11-17 | 2020-11-17 | Device for improving flue gas purification of baking soda |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213824139U true CN213824139U (en) | 2021-07-30 |
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ID=77016995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022657881.8U Active CN213824139U (en) | 2020-11-17 | 2020-11-17 | Device for improving flue gas purification of baking soda |
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| Country | Link |
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| CN (1) | CN213824139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120132597A (en) * | 2025-05-08 | 2025-06-13 | 杭州绿能环保发电有限公司 | A flue gas treatment system |
-
2020
- 2020-11-17 CN CN202022657881.8U patent/CN213824139U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120132597A (en) * | 2025-05-08 | 2025-06-13 | 杭州绿能环保发电有限公司 | A flue gas treatment system |
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