CN216572346U - A multi-effect scrubbing tower for exhaust-gas treatment - Google Patents
A multi-effect scrubbing tower for exhaust-gas treatment Download PDFInfo
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- CN216572346U CN216572346U CN202121562974.0U CN202121562974U CN216572346U CN 216572346 U CN216572346 U CN 216572346U CN 202121562974 U CN202121562974 U CN 202121562974U CN 216572346 U CN216572346 U CN 216572346U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses a multi-effect washing tower for waste gas treatment, which comprises a tower body, wherein the bottom of the tower body is communicated with an air inlet pipe, the top of the tower body, which is far away from the air inlet pipe, is communicated with an exhaust pipe, and a lower spray pipe is arranged above a first packing layer; and the lower baffle plate and the upper baffle plate are sequentially and fixedly arranged on the inner wall of the tower body above the lower spray pipe, the positioning plates are fixedly arranged between the supporting rods, the number of the stop doors is two, gas can not pass through a cavity formed by the positioning plates when the two stop doors are closed, and a second packing layer and an upper spray pipe are sequentially and fixedly arranged on the inner wall of one end, away from the stop doors, of the positioning plate. The utility model provides a multi-effect washing tower for waste gas treatment, which can be used for washing waste gas for the first time and washing mixed waste gas for the second time by using different treatment liquids, and the waste gas which only needs to be washed for the first time can be directly discharged after being treated, so that the efficiency is higher, and the effect is better.
Description
Technical Field
The utility model relates to the technical field of washing towers, in particular to a multi-effect washing tower for waste gas treatment.
Background
The waste gas washing tower is a common waste gas treatment device, and the absorption liquid is contacted with waste gas, so that pollutants in the waste gas are intercepted into the treatment liquid through mass transfer, and the concentration of the pollutants in the waste gas is reduced.
The drawbacks of the prior art include, but are not limited to: 1. waste gas needing to be treated in industries such as semiconductors, solar energy, chemical engineering and the like is often mixed gas of various waste gases, and treatment liquid needing to be used is different due to different properties of the gas in the mixed gas; 2. the existing washing tower is relatively wasteful in use of treatment liquid, lacks a reasonable recycling device, and cannot effectively filter the treatment liquid, so that the problem of overhigh treatment cost is caused.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the present invention is directed to a multiple effect scrubber for waste gas treatment to solve the above problems of the background art.
A multi-effect washing tower for waste gas treatment comprises a tower body, wherein the bottom of the tower body is communicated with an air inlet pipe, the top of the tower body, which is far away from the air inlet pipe, is communicated with an exhaust pipe, a first packing layer is fixedly arranged in an inner cavity of one end, close to the air inlet pipe, of the tower body, a lower spray pipe is arranged above the first packing layer, and one side, close to the first packing layer, of the lower spray pipe is communicated with a plurality of lower spray heads;
a lower baffle and an upper baffle are sequentially and fixedly arranged on the inner wall of the tower body above the lower spray pipe, a plurality of support rods are fixedly arranged on the inner wall of the tower body above the lower baffle and the upper baffle, a positioning plate is fixedly arranged between the support rods, grooves are symmetrically formed in the bottom of the positioning plate, a rotating motor is embedded in the side wall, close to the grooves, of the positioning plate, a rotating shaft is fixedly arranged at the output end of the rotating motor, one end, far away from the rotating motor, of the rotating shaft is hinged in a bearing, the bearing is fixedly arranged in the positioning plate, a stop door is fixedly sleeved on the rotating shaft, the number of the stop doors is two, gas cannot pass through a cavity defined by the positioning plate when the two stop doors are closed, and a second packing layer and an upper spray pipe are sequentially and fixedly arranged on the inner wall, far away from one end of the stop door, of the positioning plate, and one side of the upper spray pipe close to the second packing layer is communicated with a plurality of upper spray heads.
Preferably, the inner chamber bottom of tower body is through first return line intercommunication in first bin, the intercommunication is provided with first outlet pipe in the first bin, first outlet pipe intercommunication is in shower down, be provided with first liquid circulating pump on the first outlet pipe.
Preferably, a first filter screen is fixedly arranged in the first storage tank.
Preferably, a sealing gasket is fixedly arranged on one side of the blocking door away from the rotating shaft.
Preferably, the outer fixed plate is fixedly arranged on the outer wall of the tower body, the second storage box is arranged on the outer fixed plate, a second return pipe is arranged at the bottom of the second storage box in a communicating mode, the second return pipe is communicated with the annular hollow pipe, the annular hollow pipe is communicated with the first branch return pipe and the second branch return pipe respectively, the first branch return pipe is communicated with a cavity formed by surrounding the lower baffle plate and the tower body, the second branch return pipe is communicated with a cavity formed by surrounding the upper baffle plate and the tower body, a second outlet pipe is arranged in the second storage box and communicated with the upper spray pipe, and a second liquid circulating pump is arranged on the second outlet pipe.
Preferably, a second filter screen is arranged in the second storage tank.
Preferably, a defogging layer is fixedly arranged in an inner cavity at one end, close to the exhaust pipe, of the tower body.
Has the advantages that:
1. the multi-effect washing tower for waste gas treatment, provided by the utility model, is internally provided with the first packing layer and the second packing layer, and is respectively provided with the corresponding lower spray pipe and the corresponding upper spray pipe, wherein different types of treatment liquid can be sprayed out respectively, so that the washing tower can be used for washing only by using one treatment liquid, and can also be used for washing diversified waste gases by sequentially passing through the two treatment liquids, so that the treatment effect on mixed waste gases is better improved, and the integration is higher;
2. according to the multi-effect washing tower for waste gas treatment, provided by the utility model, if the introduced waste gas only needs to be washed by one treatment liquid, the stop door can be closed by the external control system, and the waste gas subjected to primary washing is not passed through the cavity for secondary washing but directly discharged out of the tower body, so that the efficiency is higher, the waste gas subjected to primary washing can be prevented from polluting the second packing layer for secondary washing, the integral using effect is better, and the device is more durable.
The utility model provides a multi-effect washing tower for waste gas treatment, which can be used for washing waste gas for the first time and washing mixed waste gas for the second time by using different treatment liquids, and the waste gas which only needs to be washed for the first time can be directly discharged after being treated, so that the efficiency is higher, and the effect is better.
Drawings
FIG. 1 is a schematic front sectional view of the overall structure of the present invention in a first embodiment;
FIG. 2 is a schematic top sectional view of a barrier door mounting structure of the present invention;
FIG. 3 is a schematic top cross-sectional view of a second return tube and related structure according to the present invention;
FIG. 4 is a schematic gas flow diagram according to a first embodiment of the present invention;
FIG. 5 is a schematic cross-sectional front view of the overall structure of the present invention in a second embodiment;
FIG. 6 is a schematic gas flow diagram of the second embodiment of the present invention.
In the figure: 1. a tower body; 2. an air inlet pipe; 3. an exhaust pipe; 4. a first filler layer; 5. a lower spray pipe; 6. a lower spray header; 7. a first return pipe; 8. a first storage tank; 9. a first water outlet pipe; 10. a first liquid circulation pump; 11. a first filter screen; 12. a lower baffle plate; 13. an upper baffle plate; 14. a support bar; 15. positioning a plate; 151. a groove; 16. a rotating electric machine; 17. a rotating shaft; 18. a bearing; 19. a blocking door; 20. a gasket; 21. a second packing layer; 22. an upper spray pipe; 23. an upper spray header; 24. an outer fixing plate; 25. a second storage tank; 26. a second return pipe; 27. an annular hollow tube; 281. a branch return pipe I; 282. a branch return pipe II; 29. a second water outlet pipe; 30. a second liquid circulation pump; 31. a second filter screen; 32. and a defogging layer.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The utility model provides a technical scheme that:
the utility model provides a multi-effect washing tower for exhaust-gas treatment, including tower body 1, the bottom intercommunication of tower body 1 is provided with intake pipe 2, treat during the waste gas of washing passes through intake pipe 2 and gets into the inner chamber of tower body 1, the top intercommunication that intake pipe 2 was kept away from to tower body 1 is provided with blast pipe 3, gas after the washing is discharged from blast pipe 3, fixed first packing layer 4 that is provided with in the inner chamber that tower body 1 is close to intake pipe 2 one end, the top of first packing layer 4 is provided with down shower 5, one side intercommunication that lower shower 5 is close to first packing layer 4 is provided with a plurality of shower heads 6 down, spout the treatment fluid in the shower head 6 down, waste gas carries out abundant contact reaction with the treatment fluid in first packing layer 4, get rid of the pollutant in the waste gas.
A lower baffle 12 and an upper baffle 13 are sequentially and fixedly arranged on the inner wall of the tower body 1 above the lower spray pipe 5, the lower baffle 12 and the upper baffle 13 are arranged in a staggered manner, which mainly plays a role of blocking, and can prevent the treatment liquid sprayed by the upper spray head 23 from falling into the first packing layer 4, a plurality of support rods 14 are fixedly arranged on the inner wall of the tower body 1 above the lower baffle 12 and the upper baffle 13, a positioning plate 15 is fixedly arranged among the support rods 14, and the support rods 14 at the same horizontal position are radially fixed on the positioning plate 15, so that the positioning plate 15 and the inner wall of the tower body 1 are not completely blocked by the support rods 14, but a gap is reserved for the circulation of gas, grooves 151 are symmetrically formed at the bottom of the positioning plate 15, a rotating motor 16 is embedded in the side wall of the positioning plate 15 close to the grooves 151, and the rotating motor 16 is arranged in a high-temperature-proof and waterproof manner, and is driven by an external control system, the output end of the rotating motor 16 is fixedly provided with a rotating shaft 17, one end of the rotating shaft 17 far away from the rotating motor 16 is hinged in a bearing 18, the bearing 18 is fixedly arranged in the positioning plate 15, the rotating shaft 17 is fixedly sleeved with a stop gate 19, when the rotating motor 16 is started, the two stop doors 19 can be driven by the rotating shaft 17 to rotate, and when the two stop doors 19 are closed, gas cannot pass through a cavity surrounded by the positioning plate 15, a second packing layer 21 and an upper spray pipe 22 are fixedly arranged on the inner wall of the positioning plate 15 far away from one end of the stop doors 19, one side of the upper spray pipe 22 close to the second packing layer 21 is provided with a plurality of upper spray heads 23 in a communicating manner, in actual use, for mixed waste gas requiring various treatments, different types of treatment liquids can be introduced into and sprayed out of the upper spray header 23 and the lower spray header 6.
Further, the inner chamber bottom of tower body 1 communicates in first bin 8 through first return tube 7, store in first bin 8 and carry out the treatment fluid that sprays the processing to waste gas, the intercommunication is provided with first outlet pipe 9 in the first bin 8, first outlet pipe 9 communicates in shower 5 down, be provided with first liquid circulating pump 10 on the first outlet pipe 9, first liquid circulating pump 10 can pump the liquid recycling in first bin 8 out in order to carry out reuse, thereby effectively reduce use cost.
Further, fixedly in the first bin 8 be provided with first filter screen 11, first return pipe 7 communicates in the first bin 8 lateral wall of first filter screen 11 below, and first outlet pipe 9 communicates in the liquid of first filter screen 11 top, therefore first filter screen 11 can in time filter the liquid of used cyclically, has both avoided impurity to block up shower 5 down, can avoid again because impurity is too much in the liquid and cause the problem that the absorptivity descends.
Furthermore, a sealing gasket 20 is fixedly arranged on one side, away from the rotating shaft 17, of the blocking door 19, and the sealing effect of the blocking door 19 when the blocking door is closed is better due to the arrangement of the sealing gasket 20, so that gas is effectively blocked.
Further, an outer fixing plate 24 is fixedly arranged on the outer wall of the tower body 1, a second storage tank 25 is arranged on the outer fixing plate 24, the second storage tank 25 can store treatment liquid with the same type or different types as that in the first storage tank 8, if the treatment liquid is the same, the waste gas can be treated for the same time, if the treatment liquid is different, the treatment liquid is more suitable for spraying treatment of mixed type waste gas, a second return pipe 26 is arranged at the bottom of the second storage tank 25 in a communicating manner, the second return pipe 26 is communicated with an annular hollow pipe 27, the annular hollow pipe 27 is respectively communicated with a first branch return pipe 281 and a second branch return pipe 282, the first branch return pipe 281 is communicated with a cavity defined between the lower baffle 12 and the tower body 1, the second branch return pipe 282 is communicated with a cavity defined between the upper baffle 13 and the tower body 1, therefore, the first branch return pipe 281 and the second branch return pipe 282 are both used for recycling the treatment liquid after diversion, be provided with second outlet pipe 29 in the second storage tank 25, second outlet pipe 29 communicates in last shower 22, is provided with second liquid circulating pump 30 on the second outlet pipe 29, and second liquid circulating pump 30 can pump the liquid recirculation in the second storage tank 25 in order to carry out reuse, has also played the effect that effectively reduces use cost.
Furthermore, a second filter screen 31 is arranged in the second storage tank 25, the second return pipe 26 is communicated with the side wall of the second storage tank 25 below the second filter screen 31, and the second outlet pipe 29 is communicated with the liquid above the second filter screen 31, so that the second filter screen 31 can timely filter the recycled liquid, and similarly, the problem that the absorption rate is reduced due to excessive impurities in the liquid is avoided, and the problem that the upper spray pipe 22 is blocked by the impurities is also solved.
Further, fixed defogging layer 32 that is provided with in the inner chamber that tower body 1 is close to 3 one ends of blast pipe, defogging layer 32 is more enough to absorb the steam that waste gas carried after spraying the processing for the combustion gas is drier, has carried out abundant research and publication to defogging layer 32 and defogging device in view of prior art and patent, no longer has been repeated here.
The first embodiment is as follows:
if the nature of waste gas is single, then can be through external control system remote control rotating electrical machines 16 for rotating electrical machines 16 drives through pivot 17 and stops up 19 rotations, and then blocks up the lower inlet end that becomes the cavity with locating plate 15 enclosure.
When the device is used, waste gas to be treated is introduced into an inner cavity of the tower body 1 through the air inlet pipe 2, the waste gas firstly enters the first packing layer 4, the treatment liquid is sprayed out of the lower spray header 6 at the bottom of the lower spray pipe 5 at the moment, and the waste gas is in full contact reaction with the treatment liquid in the first packing layer 4 to remove pollutants in the waste gas; after that, the exhaust gas continues to rise, and after bypassing the lower baffle 12 and the upper baffle 13, continues to rise from the gap between the support rod 14 and the tower body 1, and after being dried by the defogging layer 32, is discharged from the inner cavity of the tower body 1 through the exhaust pipe 3.
In foretell spraying process, the treatment fluid of shower head 6 spun down can be gone into first bin 8 by external pump body pump through first return pipe 7 after using, and after the filtration treatment through first filter screen 11, first liquid circulating pump 10 will handle the treatment fluid rethread first outlet pipe 9 pump to shower 5 down, and then carries out reuse, effective reduction treatment cost to the treatment fluid in the first bin 8.
Example two:
the embodiment is different from the embodiment in that, if the nature of waste gas is various, then can be through external control system remote control rotating electrical machines 16 for rotating electrical machines 16 drives stop gate 19 through pivot 17 and rotates to the inner wall that contacts tower body 1, and then opens the lower inlet end that encloses into the cavity with locating plate 15, makes gas can receive the processing liquid of two kinds of different grade types in proper order and sprays the processing.
When the device is used, waste gas to be treated is introduced into an inner cavity of the tower body 1 through the air inlet pipe 2, the waste gas firstly enters the first packing layer 4, the treatment liquid is sprayed out of the lower spray header 6 at the bottom of the lower spray pipe 5 at the moment, and the waste gas is in full contact reaction with the treatment liquid in the first packing layer 4 to remove pollutants in the waste gas; after the waste gas continuously rises, the waste gas enters the second packing layer 21 after bypassing the lower baffle 12 and the upper baffle 13, the treatment liquid is sprayed out of the upper spray header 23 at the bottom of the upper spray pipe 22 at the moment, the waste gas fully contacts and reacts with the treatment liquid in the second packing layer 21, the types of the treatment liquid sprayed out of the lower spray header 6 and the upper spray header 23 are different, for example, the treatment liquid can be water washing liquid, alkali washing liquid and the like respectively, after the waste gas is sprayed in sequence, the wet gas is dried by the defogging layer 32, and finally the wet gas is discharged out of the inner cavity of the tower body 1 through the exhaust pipe 3.
In addition to the liquid recycling of the first storage tank 8 in the first embodiment, the processing liquid sprayed from the upper spray header 23 is blocked by the lower baffle 12 and the upper baffle 13, and does not fall to the bottom of the inner cavity of the tower body 1, but accumulates between the lower baffle 12, the upper baffle 13 and the inner wall of the tower body 1, the first branch return pipe 281 and the second branch return pipe 282 can simultaneously guide the used processing liquid, so that the used processing liquid is guided to the second return pipe 26 through the annular hollow pipe 27, the second return pipe 26 pumps the liquid into the second storage tank 25 through the external pump body, and after being filtered by the second filter screen 31, the processing liquid is pumped into the upper spray pipe 22 through the second outlet pipe 29 by the second liquid circulation pump 30, and then the processing liquid is recycled.
The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. The utility model provides a multi-effect scrubbing tower for exhaust-gas treatment, includes tower body (1), its characterized in that: the bottom of the tower body (1) is communicated with an air inlet pipe (2), the top of the tower body (1) far away from the air inlet pipe (2) is communicated with an exhaust pipe (3), a first packing layer (4) is fixedly arranged in an inner cavity of one end of the tower body (1) close to the air inlet pipe (2), a lower spray pipe (5) is arranged above the first packing layer (4), and one side of the lower spray pipe (5) close to the first packing layer (4) is communicated with a plurality of lower spray heads (6);
the lower baffle (12) and the upper baffle (13) are fixedly arranged on the inner wall of the tower body (1) above the lower spray pipe (5) in sequence, a plurality of support rods (14) are fixedly arranged on the inner wall of the tower body (1) above the lower baffle (12) and the upper baffle (13), a positioning plate (15) is fixedly arranged between the support rods (14), grooves (151) are symmetrically formed in the bottom of the positioning plate (15), a rotating motor (16) is embedded in the side wall, close to the grooves (151), of the positioning plate (15), a rotating shaft (17) is fixedly arranged at the output end of the rotating motor (16), one end, far away from the rotating motor (16), of the rotating shaft (17) is hinged to a bearing (18), the bearing (18) is fixedly arranged in the positioning plate (15), a blocking door (19) is fixedly arranged on the rotating shaft (17), stop door (19) total two, just gas can not pass through in the cavity that locating plate (15) enclosed when two stop door (19) are closed, fixed second packing layer (21) and last shower (22) of being provided with in proper order on the inner wall of locating plate (15) keep away from stop door (19) one end, it is provided with a plurality of shower heads (23) to go up the one side intercommunication that shower (22) are close to second packing layer (21).
2. The multiple effect scrubber tower for exhaust treatment as recited in claim 1, wherein: the inner chamber bottom of tower body (1) communicates in first bin (8) through first back flow (7), the intercommunication is provided with first outlet pipe (9) in first bin (8), first outlet pipe (9) communicate in spray pipe (5) down, be provided with first liquid circulating pump (10) on first outlet pipe (9).
3. A multiple effect scrubber tower for exhaust gas treatment as recited in claim 2, wherein: a first filter screen (11) is fixedly arranged in the first storage box (8).
4. The multiple effect scrubber tower for exhaust treatment as recited in claim 1, wherein: and a sealing gasket (20) is fixedly arranged on one side, far away from the rotating shaft (17), of the stop gate (19).
5. The multiple effect scrubber tower for exhaust treatment as recited in claim 1, wherein: an outer fixing plate (24) is fixedly arranged on the outer wall of the tower body (1), a second storage tank (25) is arranged on the outer fixing plate (24), a second return pipe (26) is communicated and arranged at the bottom of the second storage tank (25), the second return pipe (26) is communicated with the annular hollow pipe (27), the annular hollow pipe (27) is respectively communicated with the first branch return pipe (281) and the second branch return pipe (282), the first branch return pipe (281) is communicated with a cavity enclosed by the lower baffle (12) and the tower body (1), the second branch return pipe (282) is communicated with a cavity enclosed by the upper baffle (13) and the tower body (1), a second water outlet pipe (29) is arranged in the second storage tank (25), the second water outlet pipe (29) is communicated with the upper spray pipe (22), and a second liquid circulating pump (30) is arranged on the second water outlet pipe (29).
6. The multi-effect scrubber tower for exhaust treatment as recited in claim 5, wherein: a second filter screen (31) is arranged in the second storage tank (25).
7. The multiple effect scrubber tower for exhaust treatment as recited in claim 1, wherein: an inner cavity of one end, close to the exhaust pipe (3), of the tower body (1) is fixedly provided with a defogging layer (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121562974.0U CN216572346U (en) | 2021-07-09 | 2021-07-09 | A multi-effect scrubbing tower for exhaust-gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121562974.0U CN216572346U (en) | 2021-07-09 | 2021-07-09 | A multi-effect scrubbing tower for exhaust-gas treatment |
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| CN216572346U true CN216572346U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121562974.0U Active CN216572346U (en) | 2021-07-09 | 2021-07-09 | A multi-effect scrubbing tower for exhaust-gas treatment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116870669A (en) * | 2023-09-06 | 2023-10-13 | 山西三强新能源科技有限公司 | Waste gas treatment device |
| CN116920594A (en) * | 2023-09-14 | 2023-10-24 | 石家庄天人化工设备集团有限公司 | Flue gas washing tower |
| CN118179194A (en) * | 2024-05-17 | 2024-06-14 | 江苏镀鑫环保科技有限公司 | Waste gas treatment spray washing spray tower |
-
2021
- 2021-07-09 CN CN202121562974.0U patent/CN216572346U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116870669A (en) * | 2023-09-06 | 2023-10-13 | 山西三强新能源科技有限公司 | Waste gas treatment device |
| CN116870669B (en) * | 2023-09-06 | 2023-11-10 | 山西三强新能源科技有限公司 | Waste gas treatment device |
| CN116920594A (en) * | 2023-09-14 | 2023-10-24 | 石家庄天人化工设备集团有限公司 | Flue gas washing tower |
| CN116920594B (en) * | 2023-09-14 | 2023-12-26 | 石家庄天人化工设备集团有限公司 | Flue gas washing tower |
| CN118179194A (en) * | 2024-05-17 | 2024-06-14 | 江苏镀鑫环保科技有限公司 | Waste gas treatment spray washing spray tower |
| CN118179194B (en) * | 2024-05-17 | 2024-08-06 | 江苏镀鑫环保科技有限公司 | Waste gas treatment spray washing spray tower |
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