CN116750872A - Aeration three-phase separation sewage treatment device - Google Patents
Aeration three-phase separation sewage treatment device Download PDFInfo
- Publication number
- CN116750872A CN116750872A CN202310802382.9A CN202310802382A CN116750872A CN 116750872 A CN116750872 A CN 116750872A CN 202310802382 A CN202310802382 A CN 202310802382A CN 116750872 A CN116750872 A CN 116750872A
- Authority
- CN
- China
- Prior art keywords
- aeration
- overflow
- treatment tank
- stirring
- zone
- 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.)
- Pending
Links
- 238000005273 aeration Methods 0.000 title claims abstract description 60
- 239000010865 sewage Substances 0.000 title claims abstract description 55
- 238000005191 phase separation Methods 0.000 title claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 41
- 238000004062 sedimentation Methods 0.000 claims abstract description 36
- 238000005192 partition Methods 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000010802 sludge Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000005276 aerator Methods 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 238000000926 separation method Methods 0.000 abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1242—Small compact installations for use in homes, apartment blocks, hotels or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/95—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers having planetary motion, i.e. rotating about their own axis and about a sun axis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Activated Sludge Processes (AREA)
Abstract
The invention relates to the technical field of sewage treatment, and discloses an aeration three-phase separation sewage treatment device which comprises a treatment tank, wherein the treatment tank comprises an upper stirring area, a middle aeration area and a lower sedimentation area, the stirring area and the aeration area are separated by a first partition board, the top center of the first partition board is provided with an overflow cylinder, the bottom of the overflow cylinder is communicated with the aeration area, a stirring mechanism is arranged in the stirring area, an L-shaped separation part is arranged between the aeration area and the sedimentation area, the separation part comprises a horizontal second partition board and a vertical overflow board, sewage flows into the sedimentation area below through the top of the overflow board, the overflow cylinder is positioned in the vertical projection range of the second partition board, the second partition board is provided with an aeration mechanism, and a three-phase separator is arranged in the sedimentation area.
Description
Technical Field
The invention relates to a sewage treatment device, in particular to an aeration three-phase separation sewage treatment device.
Background
The sewage treatment needs to be adjusted by adding treatment agents, then the sewage is introduced into an aeration tank for aeration, oxygen is promoted to be effectively contacted with the sewage, oxygen is provided under the condition that the biological oxidation continuously consumes the oxygen, a certain dissolved oxygen concentration in the water is maintained, the circulating flow of the water is promoted, the activated sludge is fully contacted and mixed with the sewage, the activated sludge is always kept in a suspension state in the mixed solution, and then solid-liquid-gas three-phase separation is carried out through a three-phase separator, so that a plurality of treatment facilities such as a sewage treatment tank, an aeration tank, three-phase separation equipment and the like are required to be arranged, and the occupied space is large. Aiming at factories with smaller sewage treatment capacity, the site cost is increased, and the sewage treatment benefit is reduced.
Disclosure of Invention
Accordingly, the technical problem to be solved by the invention is to provide the sewage treatment device integrating sewage dosing stirring, aeration and three-phase separation.
The technical scheme of the invention is realized as follows:
the invention provides an aeration three-phase separation sewage treatment device which comprises a treatment tank, wherein the treatment tank comprises an upper stirring area, a middle aeration area and a lower sedimentation area, the stirring area and the aeration area are separated by a first partition board, an overflow cylinder is arranged in the center of the top of the first partition board, the bottom of the overflow cylinder is communicated with the aeration area, a stirring mechanism is arranged in the stirring area, an L-shaped separation part is arranged between the aeration area and the sedimentation area, the separation part comprises a horizontal second partition board and a vertical overflow board, sewage flows into the sedimentation area below through the top of the overflow board, the overflow cylinder is positioned in the vertical projection range of the second partition board, the second partition board is provided with the aeration mechanism, and a three-phase separator is arranged in the sedimentation area.
Preferably, the stirring mechanism comprises a fixed ring, a driving gear, a rotating rod and a stirring rod, wherein a driving motor is arranged at the top of the treatment tank, the outer wall of the fixed ring is fixedly connected with the inner wall of the upper part of the sedimentation zone, teeth meshed with the driving gear are arranged on the inner wall of the fixed ring, one end of the rotating rod is connected with an output shaft of the driving motor, the other end of the rotating rod is connected with the top of the driving gear in a rotating mode, and the stirring rod is fixed at the bottom of the driving gear.
Preferably, the aeration mechanism comprises an air inlet pipeline, a main pipeline and a branch pipeline which are mutually communicated, the outer side wall of the treatment tank is provided with an aerator, the main pipeline is horizontally fixed on the second partition board, the branch pipeline is arranged on the circumferential side wall of the main pipeline along the horizontal direction, the air inlet end of the air inlet pipe is connected with the aerator, the air outlet end of the air inlet pipe is connected with the top of the main pipeline, and a plurality of aeration holes are formed in the branch pipeline.
Preferably, the three-phase separator is vertically placed and distributed in the sedimentation zone along the horizontal direction, the bottom of the three-phase separator is connected with the bottom of the sedimentation zone, the top of the three-phase separator is positioned below the second partition plate, the side wall of the treatment tank, which is positioned in the sedimentation zone, is provided with a drain pipe, the drain pipe is far away from one side of the overflow plate, and the overflow pipe is positioned between the upper end and the lower end of the three-phase separator.
Preferably, one side of the overflow plate, which is away from the second partition plate, is an overflow channel, sewage in the aeration zone flows into a sedimentation zone below through the overflow channel, a first exhaust pipe is arranged on the side wall of the treatment tank, which is located in the aeration zone, and an air inlet of the first exhaust pipe is located at the top position of the overflow channel.
Preferably, a sludge discharge pipeline is arranged at the bottom of the treatment tank.
Preferably, a water inlet pipe is arranged on the side wall of the treatment tank, which is positioned in the stirring area.
Preferably, a second exhaust pipe and a dosing port which are communicated with the stirring area are arranged at the top of the treatment tank.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides an aeration three-phase separation sewage treatment device, sewage is mixed with treatment chemicals in a stirring area, and a stirring mechanism improves the stirring effect on the sewage and the treatment chemicals, so that the sewage and the treatment chemicals can be fully mixed and reacted; when the sewage in the stirring area rises to exceed the top of the overflow cylinder, the mixed sewage flows into an aeration area below, and oxygen is supplied to the sewage through an aeration mechanism, so that an aeration function is realized; when the sewage height exceeds the overflow plate, sewage flows into a sedimentation zone below along the overflow plate, solid-liquid separation is carried out on the sewage through the three-phase separator, the device integrates the functions of adding and stirring the sewage, aerating and three-phase separation, and the sewage is rapidly treated under the condition of not occupying excessive field area aiming at factories with small sewage treatment capacity.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the structure of the fixed ring and the driving gear in the present invention;
fig. 3 is a schematic structural view of the main pipe and the branch pipe in the present invention.
In the figure, a treatment tank 1, a stirring area 2, an aeration area 3, a sedimentation area 4, a first partition plate 5, an overflow cylinder 6, a second partition plate 7, an overflow plate 8, a three-phase separator 9, a fixed ring 10, a driving gear 11, a rotating rod 12, a stirring rod 13, a driving motor 14, teeth 15, an air inlet pipeline 16, a main pipeline 17, a branch pipeline 18, an aerator 19, a drain pipe 20, an overflow channel 21, a first exhaust pipe 22, a mud discharge pipeline 23, a water inlet pipe 24, a second exhaust pipe 25 and a dosing port 26.
Detailed Description
For a better understanding of the technical content of the present invention, specific examples are provided below and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, the invention provides an aeration three-phase separation sewage treatment device, which comprises a treatment tank 1, wherein the treatment tank 1 comprises an upper stirring zone 2, a middle aeration zone 3 and a lower sedimentation zone 4, the stirring zone 2 and the aeration zone 3 are separated by a first baffle plate 5, the center of the top of the first baffle plate 5 is provided with an overflow cylinder 6, the bottom of the overflow cylinder 6 is communicated with the aeration zone 3, the stirring zone 2 is internally provided with a stirring mechanism, a separation part in an L shape is arranged between the aeration zone 3 and the sedimentation zone 4, the separation part comprises a horizontal second baffle plate 7 and a vertical overflow plate 8, sewage flows into the sedimentation zone 4 below through the top of the overflow plate 8, the overflow cylinder 6 is positioned in the vertical projection range of the second baffle plate 7, the overflow cylinder 6 is ensured to flow onto the second baffle plate 7 through the overflow cylinder 6, the second baffle plate 7 is internally provided with an aeration mechanism 19, and the sedimentation zone 4 is internally provided with a three-phase separator 9.
The stirring mechanism comprises a fixed ring 10, a driving gear 11, a rotating rod 12 and a stirring rod 13, wherein a driving motor 14 is arranged at the top of the treatment tank 1, the outer wall of the fixed ring 10 is fixedly connected with the inner wall of the upper part of the sedimentation zone 4, teeth 15 meshed with the driving gear 11 are arranged on the inner wall of the fixed ring 10, one end of the rotating rod 12 is coaxially connected with an output shaft of the driving motor 14, the other end of the rotating rod is rotatably connected with the top of the driving gear 11, and the stirring rod 13 is fixed at the bottom of the driving gear 11.
The aeration machine 19 constructs including the admission line 16 that communicates each other, trunk line 17 and a plurality of branch pipeline 18, the aeration machine 19 is installed to the lateral wall of handling jar 1, trunk line 17 level is fixed on the second baffle 7, branch pipeline 18 sets up along the horizontal direction the circumference lateral wall of trunk line 17, the inlet end of intake pipe with the aeration machine 19 is connected, the end of giving vent to anger with the top of trunk line 17 is connected, a plurality of aeration holes have been seted up on the branch pipeline 18.
The three-phase separator 9 is vertically placed and distributed in the sedimentation zone 4 along the horizontal direction, the bottom of the three-phase separator 9 is connected with the bottom of the sedimentation zone 4, the top of the three-phase separator 9 is positioned below the second partition plate 7, the side wall of the treatment tank 1 positioned in the sedimentation zone 4 is provided with a drain pipe 20, the drain pipe 20 is far away from one side of the overflow plate 8, and the overflow pipe is positioned between the upper end and the lower end of the three-phase separator 9.
One side of the overflow plate 8, which is away from the second partition plate 7, is provided with an overflow channel 21, sewage in the aeration zone 3 flows into the sedimentation zone 4 below through the overflow channel 21, the side wall of the treatment tank 1, which is positioned in the aeration zone 3, is provided with a first exhaust pipe 22, and an air inlet of the first exhaust pipe 22 is positioned at the top of the overflow channel 21.
The bottom of the treatment tank 1 is provided with a sludge discharge pipeline 23.
The side wall of the treatment tank 1, which is positioned in the stirring area 2, is provided with a water inlet pipe 24.
A second exhaust pipe 25 communicating with the stirring zone 2 and a dosing port 26 for adding a treatment agent are installed at the top of the treatment tank 1.
Working principle:
the sewage is conveyed into the treatment tank 1 through the water inlet pipe 24, the sewage is mixed with the treatment agent on the first partition board 5 in the stirring area 2, the driving motor 14 is started to drive the rotating rod 12 to rotate, the rotating rod 12 drives the driving gear 11 to revolve around the output shaft of the driving motor 14, the driving gear 11 revolves, and simultaneously, the teeth 15 on the inner wall of the fixed ring 10 drive the driving gear 11 to rotate, namely, the driving gear 11 can drive the stirring rod 13 to realize double rotation of revolution and rotation, so that the stirring effect on the sewage and the treatment agent is improved, and the sewage and the treatment agent can be fully mixed and reacted; when the sewage in the stirring area 2 rises to exceed the top of the overflow cylinder 6, the second partition 7, the inner wall of the treatment tank 1 and the overflow plate 8 enclose an aeration tank, the mixed sewage flows downwards into the aeration tank along the inside of the overflow cylinder 6, oxygen flows into each branch pipeline 18 through the air inlet pipeline 16 and the main pipeline 17 by the aerator 19, and oxygen is supplied to the aeration tank through the aeration holes, so that an aeration function is realized; when the sewage height exceeds the overflow plate 8, the sewage flows into the sedimentation zone 4 below along the overflow channel 21, solid-liquid separation is carried out on the sewage through a plurality of three-phase separators 9 which are transversely distributed, the sludge is left at the bottom of the sedimentation zone 4, and the sewage is discharged to the outside of the treatment tank 1 through a drain pipe 20. The gas in the agitation area 2 can be discharged to the outside through the second exhaust pipe 25, and the gas in the aeration area 3 and the precipitation area 4 can be discharged to the outside through the first exhaust pipe 22. After the treatment, the sludge in the sedimentation zone 4 can be discharged through a sludge discharge pipeline 23.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The utility model provides an aeration three-phase separation sewage treatment plant, its characterized in that, includes the treatment tank, the treatment tank includes stirring district, the aeration district and the sedimentation zone of lower part in middle part on upper portion, separate through first baffle between stirring district and the aeration district, the top center of first baffle is equipped with overflow section of thick bamboo, the bottom of overflow section of thick bamboo with the aeration district communicates with each other, be equipped with rabbling mechanism in the stirring district, be equipped with the partition member that is "L" between aeration district and the sedimentation zone, the partition member includes horizontal second baffle and vertical overflow board, sewage passes through the top inflow below of overflow board sedimentation zone, overflow section of thick bamboo is located in the vertical projection scope of second baffle, install aeration mechanism on the second baffle, be equipped with three-phase separator in the sedimentation zone.
2. The aeration three-phase separation sewage treatment device according to claim 1, wherein the stirring mechanism comprises a fixed ring, a driving gear, a rotating rod and a stirring rod, a driving motor is arranged at the top of the treatment tank, the outer wall of the fixed ring is fixedly connected with the inner wall of the upper part of the sedimentation zone, teeth meshed with the driving gear are arranged on the inner wall of the fixed ring, one end of the rotating rod is connected with an output shaft of the driving motor, the other end of the rotating rod is rotatably connected with the top of the driving gear, and the stirring rod is fixed at the bottom of the driving gear.
3. The aeration three-phase separation sewage treatment device according to claim 1, wherein the aeration mechanism comprises an air inlet pipeline, a main pipeline and a branch pipeline which are communicated with each other, an aerator is mounted on the outer side wall of the treatment tank, the main pipeline is horizontally fixed on the second partition board, the branch pipeline is arranged on the circumferential side wall of the main pipeline along the horizontal direction, the air inlet end of the air inlet pipe is connected with the aerator, the air outlet end is connected with the top of the main pipeline, and a plurality of aeration holes are formed in the branch pipeline.
4. The aeration three-phase separation sewage treatment device according to claim 1, wherein the three-phase separator is vertically arranged and horizontally distributed in the sedimentation area, the bottom of the three-phase separator is connected with the bottom of the sedimentation area, the top of the three-phase separator is positioned below the second partition plate, the side wall of the treatment tank positioned in the sedimentation area is provided with a drain pipe, the drain pipe is far away from one side of the overflow plate, and the overflow pipe is positioned between the upper end and the lower end of the three-phase separator.
5. The aeration three-phase separation sewage treatment device according to claim 2, wherein one side of the overflow plate, which is away from the second partition plate, is an overflow channel, sewage in the aeration zone flows into a sedimentation zone below through the overflow channel, a first exhaust pipe is arranged on the side wall of the treatment tank, which is positioned in the aeration zone, and an air inlet of the first exhaust pipe is positioned at the top of the overflow channel.
6. An aerated three-phase separation sewage treatment device according to claim 1, wherein the bottom of the treatment tank is provided with a sludge discharge pipe.
7. An aerated three-phase separation sewage treatment device according to claim 1, wherein the side wall of the treatment tank in the stirring zone is provided with a water inlet pipe.
8. An aerated three-phase separation sewage treatment plant according to claim 1 wherein the top of the treatment tank is fitted with a second exhaust pipe and a dosing port in communication with the agitation zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310802382.9A CN116750872A (en) | 2023-06-30 | 2023-06-30 | Aeration three-phase separation sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310802382.9A CN116750872A (en) | 2023-06-30 | 2023-06-30 | Aeration three-phase separation sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116750872A true CN116750872A (en) | 2023-09-15 |
Family
ID=87955040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310802382.9A Pending CN116750872A (en) | 2023-06-30 | 2023-06-30 | Aeration three-phase separation sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116750872A (en) |
-
2023
- 2023-06-30 CN CN202310802382.9A patent/CN116750872A/en active Pending
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