CN214764311U - Rotary kiln flue gas desulfurization dust collector - Google Patents
Rotary kiln flue gas desulfurization dust collector Download PDFInfo
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- CN214764311U CN214764311U CN202120754265.6U CN202120754265U CN214764311U CN 214764311 U CN214764311 U CN 214764311U CN 202120754265 U CN202120754265 U CN 202120754265U CN 214764311 U CN214764311 U CN 214764311U
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Abstract
The utility model relates to the field of waste gas treatment equipment, in particular to a rotary kiln flue gas desulfurization and dust removal device, which comprises a shell, wherein the left side and the right side of the shell are respectively provided with an air inlet and an air outlet, and the inside of the shell is sequentially provided with a dust outlet, a particle filter screen, a first annular sprayer, a mud outlet, a wind shielding mud collecting plate group, a second annular sprayer, a liquid outlet and a deflection defogging plate along the flow direction of flue gas; the dust outlet, the sludge outlet and the liquid outlet are all arranged at the lower end of the shell; the upper end of the particle filter screen inclines towards the left side; the desulfurization and dust removal device also comprises a first water storage tank and a second water storage tank, wherein water is stored in the first water storage tank, and the first water storage tank is connected with the first annular sprayer; the second water storage tank is connected with the second annular sprayer. The utility model discloses simple structure, the effectual dust and the sulphide of getting rid of in the flue gas to can recycle the dust.
Description
Technical Field
The utility model relates to a waste gas treatment equipment field, concretely relates to rotary kiln flue gas desulfurization dust collector.
Background
Rotary kilns are referred to as rotary kilns because they are similar in shape to rotary beds, also called rotary kilns. The method is mainly used for cement, metallurgy and chemical industry and lime roasting production. The rotary kiln can generate smoke in the production process, and the smoke contains more dust and sulfide. If the flue gas is directly discharged without being treated, pm2.5 can be increased and acid rain can be formed after dust and sulfide in the flue gas enter the atmosphere, and the pollution and harm of the flue gas to the atmospheric environment are very serious.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a rotary kiln flue gas desulfurization dust collector, can carry out the desulfurization to the flue gas that produces in the rotary kiln working process and remove dust.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a rotary kiln flue gas desulfurization dust collector, includes the casing, its characterized in that: the left side and the right side of the shell are respectively provided with an air inlet and an air outlet, and the interior of the shell is sequentially provided with a dust outlet, a particle filter screen, a first annular sprayer, a mud outlet, a wind shielding mud collecting plate group, a second annular sprayer, a liquid outlet and a deflection defogging plate along the flowing direction of flue gas; the dust outlet, the sludge outlet and the liquid outlet are all arranged at the lower end of the shell; the upper end of the particle filter screen inclines towards the left side.
Preferably, the desulfurization and dust removal device further comprises a first water storage tank for containing water and a second water storage tank for containing alkali liquor, and the first water storage tank is connected with the first annular sprayer; the second water storage tank is connected with the second annular sprayer.
Preferably, the wind-shielding mud collection plate group comprises a first mud collection plate and a second mud collection plate which are arranged at intervals; the upper end of the first mud gathering plate is fixedly connected with the inner wall of the shell, and the lower end of the second mud gathering plate is fixedly connected with the inner wall of the shell; the lower end of the first mud gathering plate and the upper end of the second mud gathering plate incline towards the right side, a gap is formed between the lower end of the first mud gathering plate and the inner wall of the shell, and a gap is formed between the upper end of the second mud gathering plate and the inner wall of the shell.
Preferably, flushing spray headers are arranged on the left side of the first sludge gathering plate and between the first sludge gathering plate and the second sludge gathering plate; the flushing spray header is fixedly arranged on the inner wall of the shell and is connected with the first water storage tank.
Preferably, the baffling defogging plates are arranged at intervals, and liquid outlets are formed in the shell between every two adjacent baffling defogging plates.
Preferably, the liquid outlet is connected with the input port of the first water storage tank.
Preferably, a pH value detection device is arranged between the liquid outlet and the first water storage tank.
Preferably, the inner wall of the shell is also provided with a flow velocity sensor and an air injection device; the flow velocity sensor and the air-jet device are both positioned between the particle filter screen and the wind-shielding mud-collecting plate group.
Preferably, the wind-shielding mud collecting plate groups are arranged at intervals, and mud outlets are formed in the shell between every two adjacent wind-shielding mud collecting plate groups.
Preferably, the shell is provided with an observation window for observing the wind-shielding mud collecting plate group and the mud outlet.
The utility model has the advantages that: the utility model filters and collects the dust of coarse particles in the flue gas through the particle filter screen, and the collected coarse particles can be directly recycled without dehydration; the first annular sprayer and the wind-shielding mud-gathering plate group separate tiny dust from the flue gas, and simultaneously dissolve part of sulfides in the flue gas into water to remove part of sulfides; finally, the second annular sprayer and the baffling demisting plate completely remove the residual sulfides in the flue gas; the utility model discloses simple structure, the effectual dust and the sulphide of getting rid of in the flue gas to can recycle the dust.
Drawings
Fig. 1 is a schematic front cross-sectional view of the present invention.
Description of reference numerals:
1. a housing; 110. an air inlet; 120. an air outlet; 2. a dust outlet; 3. a particle filter screen; 4. a first annular atomizer; 5. a sludge outlet; 6. a wind-shielding mud collection plate group; 610. a first mud collection plate; 620. a second poly-mud plate; 7. a second annular atomizer; 8. a liquid outlet; 9. a baffle defogging plate; 10. a first water storage tank; 11. a second water storage tank; 12. flushing the spray header; 13. a pH value detection device; 14. a flow rate sensor; 15. and an air spraying device.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in fig. 1, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1, the device comprises a housing 1, and is characterized in that: the left side and the right side of the shell 1 are respectively provided with an air inlet 110 and an air outlet 120, and the interior of the shell 1 is sequentially provided with a dust outlet 2, a particle filter screen 3, a first annular sprayer 4, a mud outlet 5, a wind-shielding mud-collecting plate group 6, a second annular sprayer 7, a liquid outlet 8 and a deflection demisting plate 9 along the flow direction of flue gas; the dust outlet 2, the sludge outlet 5 and the liquid outlet 8 are all arranged at the lower end of the shell 1; the upper end of the particle filter screen 3 is inclined to the left side. The particle filter screen 3 is a 50-mesh filter screen made of MonelK500 copper-nickel alloy.
During actual use, flue gas generated by the rotary kiln enters from the air inlet 110, the flue gas firstly passes through the particle filter screen 3 in the shell 1, coarse particles in the flue gas are blocked by the filter screen and fall to the lower end of the shell 1, the coarse particles falling from the dust outlet 2 are recovered, the filtered flue gas passes through the first annular sprayer 4, the first annular sprayer 4 atomizes water and sprays the water to the flue gas, the water mist adsorbs tiny dust in the flue gas, a small amount of sulfide is also dissolved in the water and forms larger water drops together with the dust, and part of the water drops adsorbing the dust fall to the lower end of the shell 1 due to self gravity and fall out from the mud outlet 5; the residual flue gas that carries water smoke and dust is through keeping out the wind and gathering mud board group 6, and the mud board group 6 that keeps out the wind stops the flue gas, when reducing the flue gas velocity of flow, makes the residual water droplet in the flue gas gather together on mud board group 6 keeps out the wind, and the landing falls out from mud outlet 5 to the lower extreme of casing 1 after that. The flue gas continuously passes through the second annular sprayer 7, the second annular sprayer 7 atomizes water and sprays the water to the flue gas, so that residual sulfides in the flue gas are absorbed, one part of water drops naturally fall, the other part of water drops are condensed on the surface of the deflection defogging plate 9 when passing through the deflection defogging plate 9, and the water drops slide from the surface of the deflection defogging plate 9 to the liquid outlet 8 and fall out; finally, the dry and clean flue gas is discharged from the air outlet 120.
In specific implementation, the desulfurization and dust removal device further comprises a first water storage tank 10 for containing water and a second water storage tank 11 for containing alkali liquor, wherein the first water storage tank 10 is connected with the first annular sprayer 4; the second water storage tank 11 is connected with the second annular sprayer 7. The second annular atomizer 7 atomizes alkali liquor and sprays to the flue gas for the sulphide in the flue gas takes place neutralization reaction with alkali liquor, absorbs the sulphide in the flue gas more easily, and alkali liquor can also absorb the nitride that is difficult for dissolving in water in the flue gas simultaneously, makes the flue gas after handling purer.
In specific implementation, the wind shielding mud collection plate group 6 comprises a first mud collection plate 610 and a second mud collection plate 620 which are arranged at intervals; the upper end of the first mud collecting plate 610 is fixedly connected with the inner wall of the shell 1, and the lower end of the second mud collecting plate 620 is fixedly connected with the inner wall of the shell 1; the lower end of the first mud collecting plate 610 and the upper end of the second mud collecting plate 620 are both inclined towards the right side, a gap is formed between the lower end of the first mud collecting plate 610 and the inner wall of the shell 1, and a gap is formed between the upper end of the second mud collecting plate 620 and the inner wall of the shell 1. The wind-shielding mud collecting plate groups 6 are arranged at intervals, and mud outlets 5 are formed in the shell 1 between every two adjacent wind-shielding mud collecting plate groups 6. The first and second mud collecting plates 610 and 620 lengthen the flow path of the flue gas, the inclined sides of the first and second mud collecting plates 610 and 620 can increase the contact area, and more water drops adsorbing dust can be effectively condensed on the surface; meanwhile, due to the arrangement of the plurality of wind-shielding mud collecting plate groups 6, the dust removal effect is greatly optimized.
In specific implementation, the flushing spray headers 12 are arranged on the left side of the first sludge gathering plate 610 and between the first sludge gathering plate 610 and the second sludge gathering plate 620; the flushing spray header 12 is fixedly arranged on the inner wall of the shell 1, and the flushing spray header 12 is connected with the first water storage tank 10 through a pipeline. And the shell 1 is provided with an observation window for observing the wind-shielding mud collecting plate group 6 and the mud outlet 5. The workman is according to the play mud condition of mud outlet 5 to whether the selection is washed shower head 12 and is washed first poly mud board 610, second poly mud board 620 and the casing 1 inside, avoids the dirt mud of gathering to block up mud outlet 5. The observation window is convenient for observing the conditions of the wind-shielding mud collecting plate group 6 and the mud outlet 5 in the shell 1, and dust and mud are washed in time.
During the concrete implementation, baffling defogging board 9 intervals are provided with a plurality ofly, have all seted up liquid outlet 8 on the casing 1 between two adjacent baffling defogging boards 9. The arrangement of the plurality of baffle defogging plates 9 optimizes the defogging effect, so that the water absorbing sulfide and nitride can be collected, and the exhausted flue gas is dry.
In specific implementation, the liquid outlet 8 is connected with an input port of the first water storage tank 10. A pH value detection device 13 is arranged between the liquid outlet 8 and the first water storage tank 10. The liquid that liquid outlet 8 falls out can collect and lead to in the first liquid storage tank, and the alkali lye of having neutralized the sulphide can reuse, saves the water resource. Detecting the liquid falling from the liquid outlet 8 according to the pH value detection device 13, wherein when the pH value is acidic, the amount of alkali blended in the alkali liquor is too small, and the sulfide in the flue gas may not be completely absorbed; when the pH value is alkaline, the amount of alkali blended in the alkali liquor is excessive. The alkali consumption in the alkali liquor can be regulated and controlled in time, and the operation cost can be effectively reduced.
In specific implementation, a flow velocity sensor 14 and an air injection device 15 are further mounted on the inner wall of the shell 1; the flow velocity sensor 14 and the air injection device 15 are both positioned between the particle filter screen 3 and the wind-shielding mud-collecting plate group 6. When velocity of flow inductor 14 senses air flow rate when lower, granule filter screen 3 at this moment is blockked up by the dust granule, opens air jet device 15, spouts the wind to the left side from the right side of granule filter screen 3 for granule filter screen 3 resumes good state.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and although the present invention is disclosed in the above preferred embodiments, it is not intended to limit the present invention, and any skilled person familiar with the art can make some changes or modify equivalent embodiments with equivalent changes when using the technical content disclosed above, but all do not depart from the technical solution of the present invention.
Claims (10)
1. The utility model provides a rotary kiln flue gas desulfurization dust collector, includes casing (1), its characterized in that: the left side and the right side of the shell (1) are respectively provided with an air inlet (110) and an air outlet (120), and the interior of the shell (1) is sequentially provided with a dust outlet (2), a particle filter screen (3), a first annular sprayer (4), a sludge outlet (5), a wind-shielding sludge-collecting plate group (6), a second annular sprayer (7), a liquid outlet (8) and a deflection demisting plate (9) along the flowing direction of flue gas; the dust outlet (2), the sludge outlet (5) and the liquid outlet (8) are all arranged at the lower end of the shell (1); the upper end of the particle filter screen (3) inclines towards the left side.
2. The rotary kiln flue gas desulfurization and dust removal device as claimed in claim 1, characterized in that: the desulfurization and dust removal device also comprises a first water storage tank (10) for containing water and a second water storage tank (11) for containing alkali liquor, wherein the first water storage tank (10) is connected with the first annular sprayer (4); the second water storage tank (11) is connected with the second annular sprayer (7).
3. The rotary kiln flue gas desulfurization and dust removal device as claimed in claim 2, characterized in that: the wind shielding mud collection plate group (6) comprises a first mud collection plate (610) and a second mud collection plate (620) which are arranged at intervals; the upper end of the first mud collecting plate (610) is fixedly connected with the inner wall of the shell (1), and the lower end of the second mud collecting plate (620) is fixedly connected with the inner wall of the shell (1); the lower end of the first mud collecting plate (610) and the upper end of the second mud collecting plate (620) are inclined towards the right side, a gap is reserved between the lower end of the first mud collecting plate (610) and the inner wall of the shell (1), and a gap is reserved between the upper end of the second mud collecting plate (620) and the inner wall of the shell (1).
4. The rotary kiln flue gas desulfurization and dust removal device as claimed in claim 3, characterized in that: flushing spray headers (12) are arranged on the left side of the first mud collecting plate (610) and between the first mud collecting plate (610) and the second mud collecting plate (620); the flushing spray header (12) is fixedly arranged on the inner wall of the shell (1), and the flushing spray header (12) is connected with the first water storage tank (10).
5. The rotary kiln flue gas desulfurization and dust removal device as claimed in claim 2, characterized in that: baffle defogging board (9) interval is provided with a plurality ofly, has all seted up liquid outlet (8) on casing (1) between two adjacent baffle defogging boards (9).
6. The rotary kiln flue gas desulfurization and dust removal device as claimed in claim 5, characterized in that: the liquid outlet (8) is connected with the input port of the first water storage tank (10).
7. The rotary kiln flue gas desulfurization and dust removal device as claimed in claim 6, characterized in that: and a pH value detection device (13) is arranged between the liquid outlet (8) and the first water storage tank (10).
8. The rotary kiln flue gas desulfurization and dust removal device as claimed in claim 1, characterized in that: the inner wall of the shell (1) is also provided with a flow velocity inductor (14) and an air spraying device (15); the flow velocity sensor (14) and the air injection device (15) are both positioned between the particle filter screen (3) and the wind-shielding mud-collecting plate group (6).
9. The rotary kiln flue gas desulfurization and dust removal device as claimed in claim 1, characterized in that: the wind-shielding mud collecting plate groups (6) are arranged at intervals, and mud outlets (5) are formed in the shell (1) between every two adjacent wind-shielding mud collecting plate groups (6).
10. The rotary kiln flue gas desulfurization and dust removal device as claimed in claim 9, characterized in that: and the shell (1) is provided with an observation window for observing the wind-shielding mud collecting plate group (6) and the mud outlet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120754265.6U CN214764311U (en) | 2021-04-14 | 2021-04-14 | Rotary kiln flue gas desulfurization dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120754265.6U CN214764311U (en) | 2021-04-14 | 2021-04-14 | Rotary kiln flue gas desulfurization dust collector |
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| CN214764311U true CN214764311U (en) | 2021-11-19 |
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| CN202120754265.6U Active CN214764311U (en) | 2021-04-14 | 2021-04-14 | Rotary kiln flue gas desulfurization dust collector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653710A (en) * | 2022-03-15 | 2022-06-24 | 安徽应天环保科技咨询有限公司 | Low-carbon energy-saving spraying type laboratory ventilation equipment |
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2021
- 2021-04-14 CN CN202120754265.6U patent/CN214764311U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653710A (en) * | 2022-03-15 | 2022-06-24 | 安徽应天环保科技咨询有限公司 | Low-carbon energy-saving spraying type laboratory ventilation equipment |
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