CN114436498A - Sludge conditioning device and treatment process thereof - Google Patents
Sludge conditioning device and treatment process thereof Download PDFInfo
- Publication number
- CN114436498A CN114436498A CN202210115269.9A CN202210115269A CN114436498A CN 114436498 A CN114436498 A CN 114436498A CN 202210115269 A CN202210115269 A CN 202210115269A CN 114436498 A CN114436498 A CN 114436498A
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- Prior art keywords
- conditioner
- conveying pipe
- sludge
- liquid
- pipe
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- 239000010802 sludge Substances 0.000 title claims abstract description 54
- 230000003750 conditioning effect Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000008569 process Effects 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 239000007787 solid Substances 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000001143 conditioned effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 208000005156 Dehydration Diseases 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sludge conditioning device, which comprises a tank body, wherein a sludge inlet pipeline, a liquid conditioner inlet pipe and a solid conditioner inlet pipe are installed at the top of the tank body, a sludge outlet pipeline is installed at the bottom of the tank body, a driving motor is installed at the bottom of the tank body, the driving motor is connected with a rotating shaft, a stirring mechanism is installed on the side surface of the rotating shaft, an air inlet pipe and an air outlet pipe are also installed at the top of the tank body, a liquid conditioner conveying pipe, a solid conditioner conveying pipe and an air inlet conveying pipe are arranged in the rotating shaft, the liquid conditioner inlet pipe is communicated with the liquid conditioner conveying pipe, the solid conditioner inlet pipe is communicated with the solid conditioner conveying pipe, and the air inlet pipe is communicated with the air inlet conveying pipe; the stirring mechanism comprises a chamber body, a screen plate is arranged on the liquid facing surface of the chamber body, a strip-shaped through hole is formed in the edge of the liquid back surface of the chamber body, an air nozzle is arranged on the inner side surface of the screen plate, and a conditioner premixing tank is arranged in the chamber body. The invention can improve the defects of the prior art and improve the efficiency of the sludge conditioning process.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a sludge conditioning device and a treatment process thereof.
Background
For the recycling of the water-containing sludge, it is first necessary to dehydrate the sludge. In order to improve the sludge inlet efficiency and the dehydration rate of the sludge dehydration treatment, a special conditioner is needed to condition the sludge. The existing sludge conditioning device generally realizes the full mixing and action of a conditioner and sludge through long-time stirring, and has long treatment time and low efficiency.
Disclosure of Invention
The invention aims to provide a sludge conditioning device and a treatment process thereof, which can solve the defects of the prior art and improve the efficiency of the sludge conditioning process.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
A sludge conditioning device comprises a tank body, wherein a sludge inlet pipeline, a liquid conditioner inlet pipe and a solid conditioner inlet pipe are installed at the top of the tank body, a sludge outlet pipeline is installed at the bottom of the tank body, a driving motor is installed at the bottom of the tank body and connected with a rotating shaft, a stirring mechanism is installed on the side face of the rotating shaft, an air inlet pipe and an air outlet pipe are also installed at the top of the tank body, a liquid conditioner conveying pipe, a solid conditioner conveying pipe and an air inlet conveying pipe are arranged in the rotating shaft, the liquid conditioner inlet pipe is communicated with the liquid conditioner conveying pipe, the solid conditioner inlet pipe is communicated with the solid conditioner conveying pipe, and the air inlet pipe is communicated with the air inlet conveying pipe; the stirring mechanism comprises a chamber body, a screen plate is arranged on the liquid level of the chamber body, a strip-shaped through hole is formed in the edge of the liquid level of the back of the chamber body, an air nozzle communicated with an air inlet conveying pipe is installed at the top of the inner side face of the screen plate, a conditioner premixing tank is installed in the chamber body, and a liquid conditioner conveying pipe and a solid conditioner conveying pipe are communicated with the conditioner premixing tank.
Preferably, the chamber body comprises a first cavity part located in the middle, second cavity parts are symmetrically arranged on two sides of the first cavity part, the width of the first cavity part is larger than that of the second cavity part, the width of the second cavity part is gradually reduced from one end close to the first cavity part to the other end, the strip-shaped through hole is formed in the edge of the second cavity part, and the conditioner premixing tank is arranged in the first cavity part.
Preferably, two rows of air nozzles are arranged on the top of the inner side surface of the screen plate in the first cavity part, the included angle between the axis of each air nozzle and the screen plate is 45 degrees, one row of air nozzles are arranged on the top of the inner side surface of the screen plate in the second cavity part, and the included angle between the axis of each air nozzle and the screen plate is 20 degrees
Preferably, the liquid conditioner conveying pipe is communicated with the bottom of the conditioner premixing tank, the solid conditioner conveying pipe is communicated with the top of the conditioner premixing tank, and a discharge hole is formed in the side wall of the conditioner premixing tank.
Preferably, an impeller is installed at an outlet of the liquid conditioner conveying pipe, a conical outer sleeve is arranged on the outer side of the impeller, and a slit is formed in the side wall of the conical outer sleeve.
The treatment process of the sludge conditioning device comprises the following steps:
the sludge to be treated enters the tank body from the sludge inlet pipeline, air with preset flow and liquid conditioner and solid conditioner with preset quality are injected into the tank body, the liquid conditioner and the solid conditioner are injected in a synchronous mode, meanwhile, the driving motor is started, the stirring mechanism is driven to stir and condition the sludge in the tank body, and the conditioned sludge is discharged through the sludge outlet pipeline.
Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the sludge conditioning device provided by the invention can effectively improve the mixing efficiency of the conditioner and the sludge, so that the sludge can quickly become a porous sponge form. Compared with the conventional stirring tank, the stirring treatment time can be shortened by more than 30 percent.
Drawings
FIG. 1 is a block diagram of one embodiment of the present invention.
Fig. 2 is a plan view structural view of a stirring mechanism in an embodiment of the present invention.
Fig. 3 is a structural diagram of a conditioner premix tank according to an embodiment of the present invention.
In the figure: 1. a tank body; 2. a sludge inlet pipeline; 3. a liquid conditioner feeding pipe; 4. a solid conditioner feeding pipe; 5. a sludge outlet pipeline; 6. a drive motor; 7. a rotating shaft; 8. a stirring mechanism; 9. an air inlet pipe; 10. an exhaust pipe; 11. a liquid conditioner delivery pipe; 12. a solid conditioner delivery pipe; 13. an intake duct; 14. a chamber body; 15. a screen plate; 16. a strip-shaped through hole; 17. an air nozzle; 18. a conditioner premixing tank; 19. a first cavity portion; 20. a discharge hole; 21. an impeller; 22. a conical jacket; 23. reinforcing ribs; 24. a second cavity portion.
Detailed Description
Referring to fig. 1-3, a concrete embodiment of the invention includes a tank 1, a mud inlet pipeline 2, a liquid conditioner inlet pipe 3 and a solid conditioner inlet pipe 4 are installed on the top of the tank 1, a mud outlet pipeline 5 is installed on the bottom of the tank 1, a driving motor 6 is installed on the bottom of the tank 1, the driving motor 6 is connected with a rotating shaft 7, a stirring mechanism 8 is installed on the side surface of the rotating shaft 7, an air inlet pipe 9 and an air outlet pipe 10 are also installed on the top of the tank 1, a liquid conditioner conveying pipe 11, a solid conditioner conveying pipe 12 and an air inlet conveying pipe 13 are arranged in the rotating shaft 7, the liquid conditioner inlet pipe 3 is communicated with the liquid conditioner conveying pipe 11, the solid conditioner inlet pipe 4 is communicated with the solid conditioner conveying pipe 12, and the air inlet pipe 9 is communicated with the air inlet conveying pipe 13; the stirring mechanism 8 comprises a chamber body 14, a screen plate 15 is arranged on the liquid facing surface of the chamber body 14, a strip-shaped through hole 16 is arranged on the edge of the liquid back surface of the chamber body 14, an air nozzle 17 communicated with an air inlet conveying pipe 13 is installed at the top of the inner side surface of the screen plate 15, a conditioner premixing tank 18 is installed in the chamber body 14, and a liquid conditioner conveying pipe 11 and a solid conditioner conveying pipe 12 are communicated with the conditioner premixing tank 18. The chamber body 14 comprises a first cavity part 19 in the middle, second cavity parts 24 are symmetrically arranged on two sides of the first cavity part 19, the width of the first cavity part 19 is larger than that of the second cavity part 24, the width of the second cavity part 24 is gradually reduced from one end close to the first cavity part 19 to the other end, a strip-shaped through hole 16 is arranged at the edge of the second cavity part 24, and a conditioner premixing tank 18 is arranged in the first cavity part 19. In order to secure the mounting stability of the chamber main body 14, a reinforcing rib 23 is added between the chamber main body 14 and the rotary shaft 7. According to the invention, the stirring mechanism 8 is designed into a cavity shape, the sludge, the air and the conditioner are fully mixed by utilizing the flow of the sludge in the cavity, the air is injected into the chamber main body 14, the sludge in the chamber main body 14 can rapidly contain a large amount of bubbles, and thus, a high-efficiency mixing area is formed in a local space in the chamber main body 14 by utilizing the overflow and rupture of the bubbles. The shape of the chamber body 14 enables the sludge to form a turbulent flow zone through reverse counter-flow in the internal flowing process of the chamber body, thereby improving the mixing efficiency of the sludge and the conditioner. Two rows of air nozzles 17 are arranged on the top of the inner side surface of the screen plate 15 in the first cavity part 19, the included angle between the axis of the air nozzles 17 and the screen plate 15 is 45 degrees, a row of air nozzles 17 are arranged on the top of the inner side surface of the screen plate 15 in the second cavity part 24, and the included angle between the axis of the air nozzles 17 and the screen plate 15 is 20 degrees. By further optimizing the installation mode and angle of the air nozzle 17, the air absorption capacity of the sludge can be improved, and the air content in the sludge can be further improved. The liquid conditioner conveying pipe 11 is communicated with the bottom of the conditioner premixing tank 18, the solid conditioner conveying pipe 12 is communicated with the top of the conditioner premixing tank 18, and a discharge hole 20 is formed in the side wall of the conditioner premixing tank 18. An impeller 21 is installed at the outlet of the liquid conditioner conveying pipe 11, a conical outer sleeve 22 is arranged outside the impeller 21, and a slit is arranged on the side wall of the conical outer sleeve 22. The structure of the conditioner premixing tank 18 can enable the liquid conditioner and the solid conditioner to be fully premixed in the conditioner premixing tank 18, and the subsequent mixing and conditioning effects of the conditioner and the sludge are facilitated.
The treatment process of the sludge conditioning device comprises the following steps:
sludge to be treated enters the tank body 1 from the sludge inlet pipeline 2, air with preset flow and liquid conditioner and solid conditioner with preset quality are injected into the tank body, the liquid conditioner and the solid conditioner are injected in a synchronous mode, meanwhile, the driving motor 6 is started, the stirring mechanism 8 is driven to stir and condition the sludge in the tank body 1, and the conditioned sludge is discharged through the sludge outlet pipeline 5.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a mud conditioning device, includes jar body (1), and jar body (1) top is installed into mud pipeline (2), liquid conditioner inlet pipe (3) and solid-state conditioner inlet pipe (4), and jar body (1) bottom is installed out mud pipeline (5), its characterized in that: the bottom of the tank body (1) is provided with a driving motor (6), the driving motor (6) is connected with a rotating shaft (7), the side surface of the rotating shaft (7) is provided with a stirring mechanism (8), the top of the tank body (1) is also provided with an air inlet pipe (9) and an air outlet pipe (10), the rotating shaft (7) is internally provided with a liquid conditioner conveying pipe (11), a solid conditioner conveying pipe (12) and an air inlet conveying pipe (13), a liquid conditioner inlet pipe (3) is communicated with the liquid conditioner conveying pipe (11), a solid conditioner inlet pipe (4) is communicated with the solid conditioner conveying pipe (12), and the air inlet pipe (9) is communicated with the air inlet conveying pipe (13); the stirring mechanism (8) comprises a chamber body (14), a screen plate (15) is arranged on the liquid level of the chamber body (14), a strip-shaped through hole (16) is formed in the edge of the liquid level of the chamber body (14), an air nozzle (17) communicated with an air inlet conveying pipe (13) is installed at the top of the inner side face of the screen plate (15), a conditioner premixing tank (18) is installed in the chamber body (14), and a liquid conditioner conveying pipe (11) and a solid conditioner conveying pipe (12) are communicated with the conditioner premixing tank (18).
2. The sludge conditioning apparatus of claim 1, wherein: the chamber body (14) comprises a first cavity part (19) located in the middle, second cavity parts (24) are symmetrically arranged on two sides of the first cavity part (19), the width of the first cavity part (19) is larger than that of the second cavity part (24), the width of the second cavity part (24) is gradually reduced from one end close to the first cavity part (19) to the other end, a strip-shaped through hole (16) is formed in the edge of the second cavity part (24), and a conditioner premixing tank (18) is arranged in the first cavity part (19).
3. The sludge conditioning apparatus of claim 2, wherein: two rows of air nozzles (17) are arranged at the top of the inner side surface of the screen plate (15) in the first cavity part (19), the included angle between the axis of each air nozzle (17) and the screen plate (15) is 45 degrees, a row of air nozzles (17) are arranged at the top of the inner side surface of the screen plate (15) in the second cavity part (24), and the included angle between the axis of each air nozzle (17) and the screen plate (15) is 20 degrees.
4. The sludge conditioning apparatus of claim 3, wherein: the liquid conditioner conveying pipe (11) is communicated with the bottom of the conditioner premixing tank (18), the solid conditioner conveying pipe (12) is communicated with the top of the conditioner premixing tank (18), and a discharge hole (20) is formed in the side wall of the conditioner premixing tank (18).
5. The sludge conditioning apparatus of claim 5, wherein: an impeller (21) is installed at the outlet of the liquid conditioner conveying pipe (11), a conical outer sleeve (22) is arranged on the outer side of the impeller (21), and a slit is formed in the side wall of the conical outer sleeve (22).
6. A process for treating a sludge conditioning plant as claimed in any one of claims 1 to 5, characterized by comprising the following steps:
sludge to be treated enters the tank body (1) from the sludge inlet pipeline (2), air with preset flow and liquid conditioner and solid conditioner with preset mass are injected into the tank body, the liquid conditioner and the solid conditioner are injected in a synchronous mode, meanwhile, the driving motor (6) is started, the stirring mechanism (8) is driven to stir and condition the sludge in the tank body (1), and the conditioned sludge is discharged through the sludge outlet pipeline (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210115269.9A CN114436498B (en) | 2022-02-07 | 2022-02-07 | Sludge conditioning device and treatment process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210115269.9A CN114436498B (en) | 2022-02-07 | 2022-02-07 | Sludge conditioning device and treatment process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114436498A true CN114436498A (en) | 2022-05-06 |
| CN114436498B CN114436498B (en) | 2024-03-26 |
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ID=81371666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210115269.9A Active CN114436498B (en) | 2022-02-07 | 2022-02-07 | Sludge conditioning device and treatment process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114436498B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102452775A (en) * | 2010-11-01 | 2012-05-16 | 宇星科技发展(深圳)有限公司 | Novel sludge conditioning device and conditioning method |
| CN102531327A (en) * | 2011-12-30 | 2012-07-04 | 宇星科技发展(深圳)有限公司 | Automatic compound conditioning device and conditioning method for sludge dewatering |
| CN208632367U (en) * | 2018-07-03 | 2019-03-22 | 河北姝龙科技有限公司 | A kind of agitating device of sludge conditioner |
| CN210340671U (en) * | 2019-07-26 | 2020-04-17 | 毕可臻 | Sludge wall breaking and deep dewatering system |
-
2022
- 2022-02-07 CN CN202210115269.9A patent/CN114436498B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102452775A (en) * | 2010-11-01 | 2012-05-16 | 宇星科技发展(深圳)有限公司 | Novel sludge conditioning device and conditioning method |
| CN102531327A (en) * | 2011-12-30 | 2012-07-04 | 宇星科技发展(深圳)有限公司 | Automatic compound conditioning device and conditioning method for sludge dewatering |
| CN208632367U (en) * | 2018-07-03 | 2019-03-22 | 河北姝龙科技有限公司 | A kind of agitating device of sludge conditioner |
| CN210340671U (en) * | 2019-07-26 | 2020-04-17 | 毕可臻 | Sludge wall breaking and deep dewatering system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114436498B (en) | 2024-03-26 |
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