CN111115971A - Poultry processing sewage treatment device and sewage treatment method - Google Patents
Poultry processing sewage treatment device and sewage treatment method Download PDFInfo
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- CN111115971A CN111115971A CN202010034912.6A CN202010034912A CN111115971A CN 111115971 A CN111115971 A CN 111115971A CN 202010034912 A CN202010034912 A CN 202010034912A CN 111115971 A CN111115971 A CN 111115971A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- 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
- C02F3/30—Aerobic and anaerobic processes
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Activated Sludge Processes (AREA)
Abstract
The invention discloses a poultry processing sewage treatment device and a sewage treatment method, and belongs to the technical field of sewage treatment. Sewage enters a water collecting well through a coarse grid, then enters an oil separation tank after entering a fine grid, effluent of the oil separation tank automatically flows into an adjusting tank, effluent of the adjusting tank enters a hydrolysis acidification tank, effluent of the hydrolysis acidification tank enters a biological oxidation tank, effluent of the biological oxidation tank enters a coagulation reaction tank, effluent of the coagulation reaction tank enters a secondary sedimentation tank, effluent of the secondary sedimentation tank enters a disinfection tank and then is discharged, useful sludge in the secondary sedimentation tank flows back to the hydrolysis acidification tank, residual sludge in the oil separation tank and the secondary sedimentation tank is discharged into a sludge conditioning tank through a sludge pump, and sludge in the sludge conditioning tank is compressed into filter cakes to be transported outside after being conditioned. The technological process and the elevation arrangement of the poultry processing sewage treatment station can realize the stable operation and the standard discharge of sewage and simultaneously save energy and reduce consumption.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a poultry processing sewage treatment device and a sewage treatment method.
Background
Various harmful pollutants including solids, colloids and the like exist in the sewage generated in the poultry processing process, and although the conventional treatment system can completely remove various harmful pollutants, various indexes of the waste sewage discharged in the poultry slaughtering processing process reach relevant discharge standards. However, the problems of complex treatment process, inconvenient operation and maintenance, high energy consumption and unstable operation exist. When the sewage treatment station is designed in construction, the process flow and the elevation arrangement are general designs and are key factors for determining success or failure of sewage treatment operation, so that the reasonable process flow and the elevation arrangement occupy important positions in the sewage treatment general diagram arrangement; it would be a challenging task to optimize a wastewater treatment plant in view of the characteristics of the wastewater produced by poultry processing and the characteristics of the treatment stations.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the poultry processing sewage treatment device, and the reasonable arrangement of each part of the device can effectively reduce the construction cost of a sewage treatment station and the long-term operation cost of the sewage treatment station. The invention also provides a method for treating poultry processing sewage by using the poultry processing sewage treatment device, which has good sewage treatment effect, stable operation and better reference for treating other various kinds of wastewater.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a poultry processing sewage treatment device comprises a water collecting well, an oil separation tank, an adjusting tank, a hydrolysis acidification tank, a biological oxidation tank, a coagulation reaction tank, a secondary sedimentation tank, a disinfection tank, a sludge conditioning tank, a filter press and a fan; the sewage collecting well is provided with a sewage inlet, the water outlet of the water collecting well is connected with a water inlet pipeline of the oil separating tank, the water outlet of the oil separating tank is connected with a water inlet pipeline of the hydrolysis acidification tank, the water outlet of the hydrolysis acidification tank is connected with a water inlet pipeline of the biological oxidation tank, the water outlet of the biological oxidation tank is connected with a water inlet pipeline of the coagulation reaction tank, the water outlet of the coagulation reaction tank is connected with a water inlet pipeline of the secondary sedimentation tank, the water outlet of the secondary sedimentation tank is connected with a water inlet pipeline of the disinfection tank, and the disinfection tank is provided with a purified water outlet; the sludge outlet of the secondary sedimentation tank is connected with the sludge inlet pipeline of the hydrolysis acidification tank, the sludge outlet of the oil separation tank and the sludge outlet of the secondary sedimentation tank are connected with the sludge inlet pipeline of the sludge conditioning tank, the sludge outlet of the sludge conditioning tank is connected with the sludge inlet pipeline of the filter press, and the filter press is provided with a sludge outlet; a useful sludge pipeline is arranged between the secondary sedimentation tank and the hydrolysis acidification tank; the fan is connected with the hydrolysis acidification tank and the biological oxidation tank through pipelines.
The poultry processing sewage treatment device is characterized in that the oil separation tank, the hydrolysis acidification tank, the biological oxidation tank and the coagulation reaction tank are of a half-above structure, the main body of the adjusting tank is of an underground structure, and the sludge conditioning tank is of an above-ground structure.
Poultry processing sewage treatment plant uses ground as the reference surface to set up the elevation of each equipment, sump pit: the height ratio of the underground to the ground is 17: 1; an oil separation tank: the height ratio of the underground to the ground is 4.2: 1-4.3: 1; a regulating pool: the height ratio of the underground to the ground is 17: 1; a hydrolysis acidification pool: the height ratio of the underground to the ground is 3.0: 1-3.1: 1; a biological oxidation pond: the height ratio of the underground to the ground is 3.0: 1-3.1: 1; a coagulation reaction tank: the height ratio of the underground to the ground is 1.2: 1-1.3: 1; a secondary sedimentation tank: the height ratio of the underground to the ground is 7.8: 1-7.9: 1; a disinfection tank: the height ratio of the underground to the ground is 2.3: 1-2.4: 1; sludge conditioning tank: the height ratio of the ground to the ground is 1: 10.
The poultry processing sewage treatment device comprises a biological oxidation tank and a biological oxidation tank, wherein the biological oxidation tank comprises a first section of biological oxidation tank and a second section of biological oxidation tank, and the two sections are connected in series.
The poultry processing sewage treatment device adopts a vertical flow type structure in the secondary sedimentation tank.
According to the poultry processing sewage treatment device, the coarse grating is arranged in the water collecting well, and the installation depth is-2.60 m underground.
The poultry processing sewage treatment device is characterized in that a water pump is arranged between the adjusting tank and the hydrolysis acidification tank, and the outlet water of the adjusting tank enters the hydrolysis acidification tank through a sewage lifting pump.
The poultry processing sewage treatment device is characterized in that sludge pumps are arranged between the oil separation tank and the sludge conditioning tank and between the secondary sedimentation tank and the sludge conditioning tank, and residual sludge in the oil separation tank and the secondary sedimentation tank is discharged into the sludge conditioning tank through the sludge pumps.
The poultry processing sewage treatment device is characterized in that the filter press is of a box-type structure.
The poultry processing sewage treatment method is characterized in that sewage is treated by using the poultry processing sewage treatment device, the sewage enters a coarse grating through a sewage inlet, enters a water collecting well through the coarse grating, then enters an oil separation tank after entering a fine grating, the effluent of the oil separation tank automatically flows into an adjusting tank, the effluent of the adjusting tank enters a hydrolysis acidification tank through a sewage lifting pump, the effluent of the hydrolysis acidification tank enters a biological oxidation tank, the effluent of the biological oxidation tank enters a coagulation reaction tank, the effluent of the coagulation reaction tank enters a secondary sedimentation tank, the effluent of the secondary sedimentation tank enters a disinfection tank and then is discharged, useful sludge of the secondary sedimentation tank returns to the hydrolysis acidification tank through a sludge pump, the residual sludge of the oil separation tank and the secondary sedimentation tank is discharged into a sludge conditioning tank through a sludge pump, and the sludge of the sludge conditioning tank is compressed into filter cakes through a filter press after conditioning and is transported outside.
Has the advantages that: compared with the prior art, the invention has the advantages that:
the poultry processing sewage treatment station has the advantages that the adopted process flow and the high arrangement of the poultry processing sewage treatment station have good sewage treatment effect and stable operation, can effectively reduce the construction cost of the sewage treatment station and the long-term operation cost of the sewage treatment station, and has better reference for the treatment of other various kinds of wastewater.
Drawings
FIG. 1 is a schematic view of the process flow and elevation arrangement of sewage treatment for poultry processing.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with examples are described in detail below.
Example 1
A poultry processing sewage treatment device comprises a water collecting well 2, an oil separating tank 3, a regulating tank 4, a hydrolysis acidification tank 5, a biological oxidation tank, a coagulation reaction tank 8, a secondary sedimentation tank 9, a disinfection tank 10, a sludge conditioning tank 11, a filter press 12 and a fan 13; a sewage inlet 1 is arranged on the water collecting well 2, the water outlet of the water collecting well 2 is connected with a water inlet pipeline of the oil separating tank 3, the water outlet of the oil separating tank 3 is connected with a water inlet pipeline of the hydrolysis acidification tank 5, the water outlet of the hydrolysis acidification tank 5 is connected with a water inlet pipeline of the biological oxidation tank, the water outlet of the biological oxidation tank is connected with a water inlet pipeline of the coagulation reaction tank 8, the water outlet of the coagulation reaction tank 8 is connected with a water inlet pipeline of the secondary sedimentation tank 9, the water outlet of the secondary sedimentation tank 9 is connected with a water inlet pipeline of the disinfection tank 10, and a purified water outlet is arranged on the disinfection tank; a sludge outlet of the secondary sedimentation tank is connected with a sludge inlet pipeline of the hydrolysis acidification tank 5, a sludge outlet of the oil separation tank 3 and a sludge outlet of the secondary sedimentation tank 9 are connected with a sludge inlet pipeline of the sludge conditioning tank 11, a sludge outlet of the sludge conditioning tank 11 is connected with a sludge inlet pipeline of the filter press 12, a sludge outlet is arranged on the filter press 12, and the filter press 12 is a box-type filter press; a useful sludge pipeline is arranged between the secondary sedimentation tank 9 and the hydrolysis acidification tank 5; the fan 13 is connected with the hydrolysis acidification tank 5 and the biological oxidation tank through pipelines.
Sewage enters the coarse grating 15 through the sewage inlet 1, enters the water collecting well 2 through the coarse grating 15, then enters the fine grating 14 and then enters the oil separation tank 3, and the oil separation tank 3 adopts a half-aboveground type. The effluent of the oil separation tank 3 automatically flows into the adjusting tank 4, and the main body of the adjusting tank 4 adopts an underground structure. A water pump is arranged between the adjusting tank 4 and the hydrolysis acidification tank 5, the water discharged from the adjusting tank 4 enters the hydrolysis acidification tank 5 through a sewage lifting pump, the water discharged from the hydrolysis acidification tank 5 enters the biological oxidation tank, and the hydrolysis acidification tank 5 and the biological oxidation tank both adopt a half-aboveground structure. The effluent of the biological oxidation tank enters a coagulation reaction tank 8, and the coagulation reaction tank 8 adopts a half-above-ground structure. The effluent of the coagulation reaction tank 8 enters a secondary sedimentation tank 9, and the secondary sedimentation tank 9 adopts a vertical flow type. The effluent of the secondary sedimentation tank 9 enters a disinfection tank 10 and then is discharged. Useful sludge in the secondary sedimentation tank 9 flows back to the hydrolysis acidification tank 5. Sludge pumps are arranged between the oil separating tank 3 and the sludge conditioning tank 11 and between the secondary sedimentation tank 9 and the sludge conditioning tank 11, residual sludge in the oil separating tank 3 and the secondary sedimentation tank 9 is discharged into the sludge conditioning tank 11 through the sludge pumps, and the sludge conditioning tank 11 adopts a ground structure. Sludge in the sludge conditioning tank 11 is conditioned and then compressed into filter cakes by a filter press 12 for outward transportation; useful sludge in the secondary sedimentation tank 9 is pumped back to the hydrolysis acidification tank 5.
The installation depth of the coarse grating 15 is-2.60 m underground; the elevation of the water collecting well 2 is minus 3.40m underground and plus 0.20m above the ground; the elevation of the oil separation tank 3 is minus 3.40m underground and plus 0.80m above the ground; the elevation of the adjusting pool 4 is minus 3.40m underground and plus 0.20m above the ground; the elevation of the hydrolysis acidification pool 5 is minus 3.40m underground and plus 1.10m above the ground; the hydrolysis acidification tank 5 is communicated with the biological oxidation tank; the biological oxidation pond comprises a first section biological oxidation pond 6 and a second section biological oxidation pond 7, the two sections are connected in series, and the elevation is-3.40 m underground and +1.10m above the ground; the elevation of the coagulation reaction tank 8 is-1.40 m underground and +1.10m above the ground; the main body of the secondary sedimentation tank 9 adopts an underground structure, and the elevation is-4.70 m underground and +0.60m above the ground; the height of the disinfection pool 10 is-1.40 m underground and +0.60m above the ground; the elevation of the sludge conditioning tank 11 is +0.20m at the bottom of the tank and +2.00m on the tank.
The sewage enters the structures in sequence through each process for treatment, and through reasonable process flow and elevation arrangement, the whole sewage treatment station can stably operate, ensures that each structure can be treated in sequence and meets the emission requirement, and effectively saves the construction cost and the energy for long-term operation.
Claims (10)
1. A poultry processing sewage treatment device is characterized by comprising a water collecting well (2), an oil separating tank (3), an adjusting tank (4), a hydrolysis acidification tank (5), a biological oxidation tank, a coagulation reaction tank (8), a secondary sedimentation tank (9), a disinfection tank (10), a sludge conditioning tank (11), a filter press (12) and a fan (13); a sewage inlet (1) is formed in the water collecting well (2), a water outlet of the water collecting well (2) is connected with a water inlet pipeline of the oil separating tank (3), a water outlet of the oil separating tank (3) is connected with a water inlet pipeline of the regulating tank (4), a water outlet of the regulating tank (4) is connected with a water inlet pipeline of the hydrolysis acidification tank (5), a water outlet of the hydrolysis acidification tank (5) is connected with a water inlet pipeline of the biological oxidation tank, a water outlet of the biological oxidation tank is connected with a water inlet pipeline of the coagulation reaction tank (8), a water outlet of the coagulation reaction tank (8) is connected with a water inlet pipeline of the secondary sedimentation tank (9), a water outlet of the secondary sedimentation tank (9) is connected with a water inlet pipeline of the disinfection tank (10), and a purified water discharge port is formed in the disinfection tank (10); a useful sludge pipeline is arranged between the secondary sedimentation tank (9) and the hydrolysis acidification tank (5), a sludge outlet of the oil separation tank (3) and a sludge outlet of the secondary sedimentation tank (9) are connected with a sludge inlet of the sludge conditioning tank (11) through pipelines, a sludge outlet of the sludge conditioning tank (11) is connected with a sludge inlet of the filter press (12) through a pipeline, and a sludge outlet is arranged on the filter press (12); the fan (13) is connected with the hydrolysis acidification tank (5) and the biological oxidation tank through pipelines.
2. The poultry processing sewage treatment device according to claim 1, wherein the oil separation tank (3), the hydrolysis acidification tank (5), the biological oxidation tank and the coagulation reaction tank (8) are all of a half-aboveground structure, the main body of the adjusting tank (4) is of an underground structure, and the sludge conditioning tank (11) is of an aboveground structure.
3. The poultry processing wastewater treatment plant according to claim 1, wherein the elevation of each equipment is set with the ground as a reference surface, and the height ratio of the water collecting well (2) to the underground to the ground is 17: 1; the height ratio of the oil separation tank (3) to the underground to the ground is 4.2: 1-4.3: 1; the height ratio of the regulating pool (4) to the underground to the ground is 17: 1; the height ratio of the hydrolysis acidification tank (5) to the underground to the ground is 3.0: 1-3.1: 1; the height ratio of the biological oxidation pond to the underground to the ground is 3.0: 1-3.1: 1; the height ratio of the coagulation reaction tank (8) to the underground to the ground is 1.2: 1-1.3: 1; the height ratio of the secondary sedimentation tank (9) to the underground to the ground is 7.8: 1-7.9: 1; the height ratio of the disinfection tank (10) to the underground to the ground is 2.3: 1-2.4: 1; the height ratio of the sludge conditioning tank (11) to the underground to the ground is 1: 10.
4. The poultry processing wastewater treatment plant according to claim 1, wherein the biological oxidation pond comprises a primary biological oxidation pond (6) and a secondary biological oxidation pond (7), and the two sections are connected in series.
5. The poultry processing wastewater treatment plant according to claim 1, characterized in that the secondary sedimentation tank (9) adopts a vertical flow structure.
6. The poultry processing wastewater treatment plant according to claim 1, wherein the coarse grid is arranged in the water collecting well (2) at an installation depth of-2.60 m below ground.
7. The poultry processing wastewater treatment device according to claim 1, wherein a water pump is arranged between the adjusting tank (4) and the hydrolysis acidification tank (5), and the effluent of the adjusting tank (4) enters the hydrolysis acidification tank (5) through a wastewater lift pump.
8. The poultry processing sewage treatment plant according to claim 1, wherein a sludge pump is arranged between the oil separation tank (3) and the sludge conditioning tank (11) and between the secondary sedimentation tank (9) and the sludge conditioning tank (11), and the excess sludge in the oil separation tank (3) and the secondary sedimentation tank (9) is discharged into the sludge conditioning tank (11) through the sludge pump.
9. The poultry processing wastewater treatment plant according to claim 1, wherein the filter press (12) is of a box-type construction.
10. The poultry processing sewage treatment method is characterized in that the poultry processing sewage treatment device is utilized for sewage treatment, sewage enters a coarse grating (15) through a sewage inlet (1), enters a water collecting well (2) through the coarse grating (15), then enters an oil separation tank (3) after entering a fine grating (14), effluent of the oil separation tank (3) automatically flows into an adjusting tank (4), effluent of the adjusting tank (4) enters a hydrolysis acidification tank (5) through a sewage lifting pump, effluent of the hydrolysis acidification tank (5) enters a biological oxidation tank, and effluent of the biological oxidation tank enters a coagulation reaction tank (8). The effluent of the coagulation reaction tank (8) enters a secondary sedimentation tank (9). The effluent of the secondary sedimentation tank (9) enters a disinfection tank (10) and then is discharged, a useful sludge pump of the secondary sedimentation tank (9) returns to the hydrolysis acidification tank (5), the residual sludge of the oil separation tank (3) and the secondary sedimentation tank (9) is discharged into a sludge conditioning tank (11) through a sludge pump, and the sludge in the sludge conditioning tank (11) is conditioned and then compressed into a filter cake through a filter press (12) for outward transportation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010034912.6A CN111115971A (en) | 2020-01-13 | 2020-01-13 | Poultry processing sewage treatment device and sewage treatment method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010034912.6A CN111115971A (en) | 2020-01-13 | 2020-01-13 | Poultry processing sewage treatment device and sewage treatment method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090166280A1 (en) * | 2007-12-28 | 2009-07-02 | Beijing Jinaohuarong Science And Technology Co., Ltd. | Wastewater purifying system in hospitals |
| CN102515430A (en) * | 2011-12-14 | 2012-06-27 | 湖南农业大学 | Live pig slaughtering wastewater treating method |
| CN109020075A (en) * | 2018-08-29 | 2018-12-18 | 江苏开放大学（江苏城市职业学院） | The processing unit and method of a kind of poultry waster water |
| CN109133538A (en) * | 2018-10-12 | 2019-01-04 | 河南恒安环保科技有限公司 | A kind of slaughterhouse wastewater treatment method |
| CN208471807U (en) * | 2017-11-29 | 2019-02-05 | 温州华清科技有限公司 | A kind of high high-concentration nitrogenous organic wastewater processing system |
| CN110627309A (en) * | 2018-06-25 | 2019-12-31 | 扬州市扬子江运动器材有限公司 | Slaughter sewage environmental protection processing system |
-
2020
- 2020-01-13 CN CN202010034912.6A patent/CN111115971A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090166280A1 (en) * | 2007-12-28 | 2009-07-02 | Beijing Jinaohuarong Science And Technology Co., Ltd. | Wastewater purifying system in hospitals |
| CN102515430A (en) * | 2011-12-14 | 2012-06-27 | 湖南农业大学 | Live pig slaughtering wastewater treating method |
| CN208471807U (en) * | 2017-11-29 | 2019-02-05 | 温州华清科技有限公司 | A kind of high high-concentration nitrogenous organic wastewater processing system |
| CN110627309A (en) * | 2018-06-25 | 2019-12-31 | 扬州市扬子江运动器材有限公司 | Slaughter sewage environmental protection processing system |
| CN109020075A (en) * | 2018-08-29 | 2018-12-18 | 江苏开放大学（江苏城市职业学院） | The processing unit and method of a kind of poultry waster water |
| CN109133538A (en) * | 2018-10-12 | 2019-01-04 | 河南恒安环保科技有限公司 | A kind of slaughterhouse wastewater treatment method |
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Application publication date: 20200508 |