CN219682099U - Tail gas purifying system of sludge dryer - Google Patents
Tail gas purifying system of sludge dryer Download PDFInfo
- Publication number
- CN219682099U CN219682099U CN202321376339.2U CN202321376339U CN219682099U CN 219682099 U CN219682099 U CN 219682099U CN 202321376339 U CN202321376339 U CN 202321376339U CN 219682099 U CN219682099 U CN 219682099U
- Authority
- CN
- China
- Prior art keywords
- dust collector
- pipe
- sludge dryer
- tail gas
- feeder
- 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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- 239000010802 sludge Substances 0.000 title claims abstract description 47
- 239000000428 dust Substances 0.000 claims abstract description 76
- 238000004332 deodorization Methods 0.000 claims abstract description 18
- 238000000746 purification Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000004744 fabric Substances 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 17
- 239000002912 waste gas Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 230000001877 deodorizing effect Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model belongs to the technical field of tail gas treatment of sludge dryers, and particularly relates to a tail gas purification system of a sludge dryer, which comprises a sludge dryer, a cyclone dust collector, a cloth bag dust collector and a biological deodorization box, wherein an air outlet of the sludge dryer is connected with an air inlet of the cyclone dust collector through a first air pipe, an ash outlet of the cyclone dust collector is communicated with the sludge dryer through a first feeder, an air outlet of the cyclone dust collector is connected with an air inlet of the cloth bag dust collector through a second air pipe, the bottom of the cloth bag dust collector is connected with an ash collecting hopper, the bottom of the ash collecting hopper is connected with a feed inlet of the sludge dryer through a second feeder and a conveying pipe, a third air pipe is connected between an air outlet of the cloth bag dust collector and an air inlet of the biological deodorization box, an air outlet of the biological deodorization box is connected with an exhaust pipe, and the exhaust pipe is connected with an exhaust pipe through a centrifugal fan. The utility model not only prevents material waste, but also reduces labor intensity of workers.
Description
Technical Field
The utility model relates to a tail gas purifying system of a sludge dryer, and belongs to the technical field of tail gas treatment of sludge dryers.
Background
After the biochemical sludge of the sewage treatment plant is dehydrated, a large amount of sludge with the water content of more than or equal to 80% can be generated, and the sludge is generally dried by adopting a drying method. The sludge is usually dried by a sludge dryer, and the sludge can generate malodorous gases such as hydrogen sulfide, ammonia gas and the like in the drying process, and if the malodorous gases are directly discharged, the environment is greatly polluted, so that the physical health of people is influenced.
At present, the cyclone dust collector, the cloth bag dust collector and the biological deodorization box are matched to eliminate malodorous gas, and dust generated by the cyclone dust collector and the cloth bag dust collector needs to be cleaned regularly by workers in the actual use process, so that materials are wasted, and the labor intensity of the workers is increased.
Disclosure of Invention
According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: the tail gas purifying system of the sludge dryer can prevent material waste and reduce labor intensity of workers.
The utility model relates to a tail gas purification system of a sludge dryer, which comprises a sludge dryer, a cyclone dust collector, a cloth bag dust collector and a biological deodorization box, wherein an air outlet of the sludge dryer is connected with an air inlet of the cyclone dust collector through a first air pipe, an ash outlet of the cyclone dust collector is communicated with the sludge dryer through a first feeder, an air outlet of the cyclone dust collector is connected with the air inlet of the cloth bag dust collector through a second air pipe, an ash collecting hopper is connected to the bottom of the cloth bag dust collector, a second feeder is connected to the bottom of the ash collecting hopper, a discharge hole of the second feeder is connected with a feed inlet of the sludge dryer through a feed pipe, a third air pipe is connected between an air outlet of the cloth bag dust collector and an air inlet of the biological deodorization box, and an air outlet of the biological deodorization box is connected with an exhaust pipe which is connected with an exhaust pipe through a centrifugal fan.
Preferably, the first feeder is a star feeder, and has the characteristics of small volume, light weight, strong production capacity, convenient maintenance and operation and the like.
Preferably, the second feeder is a screw conveyor, and has the advantages of simple structure, small cross-sectional area, good sealing performance, convenient operation, easy maintenance, convenient sealing and transportation, and the like.
Preferably, the outer side wall of the cyclone dust collector is connected with a heating component, the heating component can heat the cyclone dust collector, and the phenomenon that the dust collection effect is influenced due to the fact that tar which is viscous and is generated by condensation of waste gas is attached to the inner wall of the cyclone dust collector is prevented.
Preferably, the heating component is a heating pipe spirally wound on the outer side wall of the cyclone dust collector, and the heating of the cyclone dust collector can be realized by introducing a heating medium into the heating pipe, so that the cyclone dust collector has a simple structure and a good heating effect.
Preferably, the outer side wall of the third gas pipe is connected with a cooling component, the cooling component can cool the waste gas, and biological strain invalidation caused by overhigh temperature of the waste gas is prevented, so that the deodorizing effect of the biological deodorizing box is influenced.
Preferably, the cooling component is a cooling pipe spirally wound on the outer side wall of the third gas transmission pipe, and cooling of waste gas can be achieved by introducing a cooling medium into the cooling pipe, so that the cooling device is simple in structure and good in cooling effect.
Compared with the prior art, the utility model has the following beneficial effects:
the tail gas purifying system of the sludge dryer can send dust generated by the cyclone dust collector and the cloth bag dust collector back into the sludge dryer without regular cleaning by workers, thereby not only preventing material waste, but also reducing the labor intensity of workers.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1. a sludge dryer; 2. a first feeder; 3. heating pipes; 4. a cyclone dust collector; 5. a first gas pipe; 6. a material conveying pipe; 7. a second gas pipe; 8. a second feeder; 9. an ash collecting hopper; 10. a bag-type dust collector; 11. a third gas pipe; 12. a cooling tube; 13. a biological deodorization box; 14. an exhaust duct; 15. a centrifugal fan; 16. and an exhaust pipe.
Detailed Description
Embodiments of the utility model are further described below with reference to the accompanying drawings:
example 1:
as shown in fig. 1, the tail gas purification system of the sludge dryer comprises a sludge dryer 1, a cyclone dust collector 4, a cloth bag dust collector 10 and a biological deodorization box 13, wherein an air outlet of the sludge dryer 1 is connected with an air inlet of the cyclone dust collector 4 through a first air pipe 5, an ash outlet of the cyclone dust collector 4 is communicated with the sludge dryer 1 through a first feeder 2, an air outlet of the cyclone dust collector 4 is connected with an air inlet of the cloth bag dust collector 10 through a second air pipe 7, the bottom of the cloth bag dust collector 10 is connected with an ash collecting hopper 9, the bottom of the ash collecting hopper 9 is connected with a second feeder 8, a discharge outlet of the second feeder 8 is connected with a feed inlet of the sludge dryer 1 through a conveying pipe 6, a third air pipe 11 is connected between an air outlet of the cloth bag dust collector 10 and an air inlet of the biological deodorization box 13, an air outlet of the biological deodorization box 13 is connected with an air exhaust pipe 14, and the air exhaust pipe 14 is connected with an exhaust drum 16 through a centrifugal fan 15.
Working principle and process:
when the device is used, odor generated by sludge drying firstly enters a settling tank of a cyclone dust collector 4 through a first air conveying pipe 5, part of dust with larger particle size is removed, the removed dust is periodically returned into a sludge dryer 1 through a first feeding machine 2, then, waste gas from which the large particle dust is removed enters a bag dust collector 10 through a second air conveying pipe 7, the bag dust collector 10 further intercepts the dust and enables the intercepted dust to fall into an ash collecting hopper 9, then, the dust is also returned into the sludge dryer 1 through a conveying pipe 6 under the action of a second feeding machine 8, then, the waste gas from which the dust is removed enters a biological deodorization tank 13 through a third air conveying pipe 11, and is deodorized by the biological deodorization tank 13 and then is discharged at high altitude through an exhaust pipeline 14 and an exhaust drum 16 in sequence under the action of a centrifugal fan 15.
Compared with the prior art, the utility model has the following beneficial effects:
the tail gas purifying system of the sludge dryer can send dust generated by the cyclone dust collector 4 and the cloth bag dust collector 10 back into the sludge dryer 1 without regular cleaning by workers, thereby not only preventing material waste, but also reducing the labor intensity of workers.
Example 2:
as shown in fig. 1, on the basis of example 1,
preferably, the first feeder 2 is a star feeder, and has the characteristics of small volume, light weight, strong production capacity, convenient maintenance and operation and the like;
preferably, the second feeder 8 is a screw conveyor, and has the advantages of simple structure, small cross-sectional area, good sealing property, convenient operation, easy maintenance, convenient sealing and transportation and the like;
preferably, the outer side wall of the cyclone dust collector 4 is connected with a heating component, and the heating component can heat the cyclone dust collector 4 to prevent viscous tar generated by condensation of waste gas from adhering to the inner wall of the cyclone dust collector to influence the dust collection effect;
preferably, the heating component is a heating pipe 3 spirally wound on the outer side wall of the cyclone dust collector 4, and heating of the cyclone dust collector 4 can be realized by introducing a heating medium into the heating pipe 3, so that the structure is simple, and the heating effect is good;
preferably, the outer side wall of the third air delivery pipe 11 is connected with a cooling component, the cooling component can cool the waste gas, and biological strain failure caused by overhigh temperature of the waste gas is prevented, so that the deodorizing effect of the biological deodorizing box 13 is influenced;
preferably, the cooling component is a cooling pipe 12 spirally wound on the outer side wall of the third air conveying pipe 11, and cooling of waste gas can be achieved by introducing a cooling medium into the cooling pipe 12, so that the cooling component is simple in structure and good in cooling effect.
Working principle and process:
when the cyclone dust remover is used, odor generated by sludge drying firstly enters a settling tank of the cyclone dust remover 4 through a first air pipe 5, part of dust with larger particle size is removed, the removed dust is periodically returned into the sludge dryer 1 through a star feeder, then, waste gas from which the large particle dust is removed enters the bag dust remover 10 through a second air pipe 7, the bag dust remover 10 further intercepts the dust and enables the intercepted dust to fall into an ash collecting hopper 9, then, the dust is also returned into the sludge dryer 1 through a conveying pipe 6 under the action of a screw conveyer, and then, the waste gas from which the dust is removed enters a biological deodorization tank 13 through a third air pipe 11, and is sequentially discharged from high altitude through an exhaust pipeline 14 and an exhaust drum 16 under the action of a centrifugal fan 15 after being deodorized by the biological deodorization tank 13.
Compared with the prior art, the utility model has the following beneficial effects:
the tail gas purifying system of the sludge dryer can send dust generated by the cyclone dust collector 4 and the cloth bag dust collector 10 back into the sludge dryer 1 without regular cleaning by workers, thereby not only preventing material waste, but also reducing the labor intensity of workers.
Claims (7)
1. A sludge dryer tail gas clean system which characterized in that: including mud desiccator (1), cyclone (4), sack cleaner (10) and biological deodorization case (13), be connected through first gas-supply pipe (5) between the gas outlet of mud desiccator (1) and the air inlet of cyclone (4), the ash outlet of cyclone (4) communicates mud desiccator (1) through first feeder (2), be connected through second gas-supply pipe (7) between the gas outlet of cyclone (4) and the air inlet of sack cleaner (10), the bottom of sack cleaner (10) is connected with album ash bucket (9), the bottom of album ash bucket (9) is connected with second feeder (8), be connected through conveying pipeline (6) between the discharge gate of second feeder (8) and the feed inlet of mud desiccator (1), be connected with third pipe (11) between the gas outlet of sack cleaner (10) and the air inlet of biological deodorization case (13), the gas outlet of biological deodorization case (13) is connected with exhaust pipe (14), exhaust pipe (14) are connected with exhaust stack (16) through centrifugal fan (15).
2. The sludge dryer tail gas purification system of claim 1, wherein: the first feeder (2) is a star feeder.
3. The sludge dryer tail gas purification system of claim 1, wherein: the second feeder (8) is a screw conveyor.
4. The sludge dryer tail gas purification system of claim 1, wherein: the outer side wall of the cyclone dust collector (4) is connected with a heating component.
5. The sludge dryer tail gas purification system of claim 4 wherein: the heating component is a heating pipe (3) spirally wound on the outer side wall of the cyclone dust collector (4).
6. The sludge dryer tail gas purification system as claimed in any one of claims 1 to 5, wherein: the outer side wall of the third air pipe (11) is connected with a cooling assembly.
7. The sludge dryer tail gas purification system of claim 6 wherein: the cooling component is a cooling pipe (12) spirally wound on the outer side wall of the third air pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321376339.2U CN219682099U (en) | 2023-06-01 | 2023-06-01 | Tail gas purifying system of sludge dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321376339.2U CN219682099U (en) | 2023-06-01 | 2023-06-01 | Tail gas purifying system of sludge dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219682099U true CN219682099U (en) | 2023-09-15 |
Family
ID=87970965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321376339.2U Active CN219682099U (en) | 2023-06-01 | 2023-06-01 | Tail gas purifying system of sludge dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219682099U (en) |
-
2023
- 2023-06-01 CN CN202321376339.2U patent/CN219682099U/en active Active
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| GR01 | Patent grant | ||
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