CN214781353U - Mixed sewage comprehensive treatment system in industrial park - Google Patents
Mixed sewage comprehensive treatment system in industrial park Download PDFInfo
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- CN214781353U CN214781353U CN202120675994.2U CN202120675994U CN214781353U CN 214781353 U CN214781353 U CN 214781353U CN 202120675994 U CN202120675994 U CN 202120675994U CN 214781353 U CN214781353 U CN 214781353U
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Abstract
The utility model relates to a comprehensive treatment system for mixed sewage in an industrial park, which comprises a lift pump, a pretreatment section, a biological treatment section, an advanced treatment section and a sludge storage tank; wherein the pretreatment section consists of an aeration grit chamber, an accident chamber and a hydrolysis acidification chamber which are sequentially connected through pipelines; the biological treatment section consists of an anaerobic tank, an anoxic tank, an aerobic tank and a secondary sedimentation tank which are connected in sequence through pipelines; the advanced treatment section consists of a high-grade oxidation tank, a coagulating sedimentation tank, a filtering tank and a disinfection tank which are connected in sequence through pipelines; the middle section of mud storage tank one end is passed through the pipeline and is connected with the bottom of the pool of hydrolysis-acidification pool, good oxygen pond, coagulating sedimentation pond, and elevator pump, preliminary treatment section, biological treatment section, advanced treatment section connect gradually, and sewage is sent into the aeration grit chamber by the elevator pump, from the terminal discharge water up to standard of disinfection pond. The utility model discloses a plurality of sections of handling carry out the processing of multiple difference to sewage, can adapt to the mixed sewage of different compositions in the industrial park, make it reach emission standard.
Description
Technical Field
The utility model relates to a mixed sewage integrated processing system in industrial park belongs to sewage treatment technical field.
Background
Water resources are a necessary condition for human survival and for the continued development of society. The development and utilization of water resources not only meet the requirements of social and economic development, but also fully consider the bearing capacity of the water resources, and practically and effectively protect the water resources so that the water resources can be continuously utilized. In order to effectively protect water resources, the sewage needs to be comprehensively treated, so that the water resources can meet the sustainable development of economy. In order to alleviate the ecological pressure of water pollution, sewage collection and treatment systems must be further constructed and perfected. After the sewage is collected and treated, the discharge amount of pollutants is greatly reduced, so that the pollution of the water environment can be effectively reduced, and the sewage treatment cost can be reduced through the centralized treatment of the sewage.
The sewage of an industrial park is different from the pure industrial sewage or the domestic sewage, and various industrial sewage of chemical industry, machinery and textile can be mixed with the domestic sewage of office and life to be discharged together according to different enterprises arranged in the park, so that the purification treatment of the mixed sewage is difficult to complete aiming at a sewage treatment system with single property.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an industrial park mixes sewage integrated processing system for handle the sewage that multiple nature mixes.
The technical scheme is as follows:
a mixed sewage comprehensive treatment system for an industrial park comprises a lift pump, a pretreatment section, a biological treatment section, an advanced treatment section and a sludge storage tank; the pretreatment section consists of an aeration grit chamber, an accident chamber and a hydrolysis acidification chamber which are sequentially connected through pipelines, organic particles in the wastewater are always in a suspended state due to the aeration effect, the organic particles mutually rub and bear the shearing force of aeration, the organic particles with higher density sink into a bottom sand collecting tank under the action of the centrifugal force of rotational flow, the organic substances with lower density flow forwards along with water flow and are brought to the next treatment unit, the accident chamber is used for slowing down the load impact of a large amount of pollutants in a short time, the water quality in the chamber is fully mixed, and the precipitation of suspended matters is prevented; the biological treatment section consists of an anaerobic tank, an anoxic tank, an aerobic tank and a secondary sedimentation tank which are sequentially connected through pipelines, and sewage is treated mainly by microorganisms; the advanced treatment section consists of an advanced oxidation tank, a coagulating sedimentation tank, a filtering tank and a disinfection tank which are sequentially connected through pipelines, the advanced oxidation tank is used for removing some soluble organic matters which cannot be removed by the biological treatment section, the coagulating sedimentation tank is used for further removing suspended matters, BOD5, CODcr, phosphate, emulsified oil and other industrial water pollutants, and the filtering tank is used for removing particles and colloidal substances which cannot be settled; the middle section of mud storage tank one end is passed through the pipeline and is connected with the bottom of the pool of hydrolysis-acidification pool, good oxygen pond, coagulating sedimentation pond, and elevator pump, preliminary treatment section, biological treatment section, advanced treatment section connect gradually, and sewage is sent into the aeration grit chamber by the elevator pump, from the terminal discharge water up to standard of disinfection pond.
Furthermore, the hydrolysis acidification tank is one of an upflow hydrolysis sludge bed, a completely mixed hydrolysis tank and an upflow hydrolysis packed bed.
Furthermore, a plurality of anoxic tanks and aerobic tanks are arranged in the biological treatment section, and the anoxic tanks, the aerobic tanks, the anoxic tanks and the aerobic tanks are arranged in sequence behind the anaerobic tanks.
Further, the upper end of one side of the sludge storage pool is connected with a lifting pump through a pipeline, the lower end of the other side of the sludge storage pool is connected with a dehydrator, the dehydrator is also connected with the lifting pump through a pipeline, the lifting pump sends supernatant in the sludge storage pool and filter pressing liquid output by the dehydrator back to the aeration grit chamber, and sludge is transported outside after the water content reaches the standard.
Further, the advanced oxidation pond comprises three stirring ponds and at least six mixing reaction ponds; the mixing reaction tanks are divided into three groups, the number of the mixing reaction tanks in each group is reduced in sequence, the mixing reaction tanks are connected in sequence according to the sequence of a first stirring tank, a first group of mixing reaction tanks, a second stirring tank, a second group of mixing reaction tanks, a third stirring tank and a third group of mixing reaction tanks, a water inlet pipe is arranged on one side of the first stirring tank, and a water outlet pipe is arranged on the last mixing reaction tank; water inlet valves are arranged among the stirring tank, the mixing reaction tank and the mixing reaction tank, a stirrer is arranged in the stirring tank, the water inlet pipe is connected with the secondary sedimentation tank, and the water outlet pipe is connected with the coagulating sedimentation tank.
Furthermore, the number of the mixed reaction tanks is eight, the first group is five mixed reaction tanks, the first group is two mixed reaction tanks, and the first group is one mixed reaction tank.
Furthermore, the adjacent stirring tanks and water inlet valves among the mixing reaction tank, the mixing reaction tank and the mixing reaction tank are arranged diagonally on the same horizontal plane.
Furthermore, an aeration device is arranged in the mixing reaction tank.
Still further, each pond is reinforced concrete structure, and the inside of pond has all carried out corrosion-resistant treatment, and each pond top all is covered with the apron, and the apron is made for reinforced concrete or corrosion-resistant metal, is provided with on the apron in stirring pond and throws the medicine mouth, is connected with the air-blower on the apron in good oxygen pond.
Has the advantages that:
1) the utility model discloses a plurality of sections of handling carry out the processing of multiple difference to sewage, can adapt to the mixed sewage of different compositions in the industrial park, make it reach emission standard.
2) The advanced oxidation pond in the advanced treatment section combines multi-stage dosing stirring with a plurality of mixed reaction ponds for reaction, thereby effectively increasing the reaction, flocculation and precipitation time of the sewage.
Drawings
FIG. 1 is a schematic structural diagram of a mixed sewage comprehensive treatment system in an industrial park;
FIG. 2 is a schematic structural diagram of a high-grade oxidation pond in the advanced treatment section;
wherein: 1 is a stirring tank, 2 is a mixing reaction tank, 3 is a water inlet valve, 4 is a water inlet pipe, 5 is a water outlet pipe, 100 is a lift pump, 210 is an aeration grit chamber, 220 is an accident tank, 230 is a hydrolysis acidification tank, 310 is an anaerobic tank, 320 is an anoxic tank, 330 is an aerobic tank, 340 is a secondary sedimentation tank, 410 is a high-grade oxidation tank, 420 is a coagulation sedimentation tank, 430 is a filtering tank, 440 is a disinfection tank, 500 is a sludge storage tank, 600 is an air blower, and 700 is a dehydrator.
Detailed Description
The present invention will be described in detail with reference to the following drawings and specific embodiments:
as shown in fig. 1, the system for comprehensively treating mixed sewage in an industrial park comprises a lift pump 100, a pretreatment section, a biological treatment section, an advanced treatment section and a sludge storage tank 500; wherein the pretreatment section consists of an aeration grit chamber 210, an accident chamber 220 and a hydrolysis acidification tank 230 which are sequentially connected through pipelines; the biological treatment section consists of an anaerobic tank 310, an anoxic tank 320, an aerobic tank 330 and a secondary sedimentation tank 340 which are connected in sequence through pipelines; the advanced treatment section consists of a high-grade oxidation tank 410, a coagulating sedimentation tank 420, a filtering tank 430 and a disinfection tank 440 which are connected in sequence through pipelines; the middle section of the sludge storage tank 500 one end is connected with the bottom of the hydrolysis acidification tank 230, the aerobic tank 330 and the coagulation sedimentation tank 420 through pipelines, the lift pump 100, the pretreatment section, the biological treatment section and the advanced treatment section are connected in sequence, sewage is sent into the aeration grit chamber 210 by the lift pump 100, and the water reaching the standard is discharged from the tail end of the disinfection tank 440.
The hydrolysis acidification tank 230 is one of an upflow hydrolysis sludge bed, a complete mixing hydrolysis tank and an upflow hydrolysis packed bed.
The biological treatment section is provided with a plurality of anoxic tanks 320 and aerobic tanks 330, and the anoxic tanks 320, the aerobic tanks 330, the anoxic tanks 320 and the aerobic tanks 330 are arranged in sequence behind the anaerobic tank 310.
The upper end of one side of the sludge storage pool 500 is connected with the lift pump 100 through a pipeline, the lower end of the other side is connected with the dewatering machine 500, the dewatering machine 700 is also connected with the lift pump 100 through a pipeline, and the supernatant in the 100 sludge storage pool 500 and the pressure filtrate output by the dewatering machine 700 are sent back to the aeration grit chamber 210 by the lift pump.
The advanced oxidation pond as shown in FIG. 2 comprises three stirring ponds 1 and at least six mixing reaction ponds 2; the mixing reaction tanks 2 are divided into three groups, the number of the mixing reaction tanks 2 contained in each group is reduced in sequence, the mixing reaction tanks are connected in sequence according to the sequence of a stirring tank, a first group of mixing reaction tanks, a stirring tank, a second group of mixing reaction tanks, a stirring tank and a third group of mixing reaction tanks, a water inlet pipe 4 is arranged on one side of the first stirring tank, and a water outlet pipe 5 is arranged on the last mixing reaction tank 2; water inlet valves 3 are arranged between the stirring tank 1 and the mixing reaction tank 2, and between the mixing reaction tank 2 and the mixing reaction tank 2, a stirrer is arranged in the stirring tank 1, a water inlet pipe 4 is connected with the secondary sedimentation tank, and a water outlet pipe 5 is connected with the coagulating sedimentation tank.
The number of the mixing reaction cells 2 is preferably eight, the first group is five mixing reaction cells 2, the first group is two mixing reaction cells 2, and the first group is one mixing reaction cell 2.
The adjacent stirring tanks 1 and the mixing reaction tank 2, and the water inlet valves 3 between the mixing reaction tank 2 and the mixing reaction tank 2 are arranged diagonally on the same horizontal plane.
An aeration device is arranged in the mixing reaction tank 2.
Each pool is of a reinforced concrete structure, the inside of each pool is subjected to corrosion-resistant treatment, the top of each pool is covered with a cover plate made of reinforced concrete or corrosion-resistant metal, the cover plate of the stirring pool 1 is provided with a medicine feeding port, and the cover plate of the aerobic pool 330 is connected with an air blower 600.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and scope of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a mixed sewage integrated processing system in industrial park which characterized in that: comprises a lift pump (100), a pretreatment section, a biological treatment section, an advanced treatment section and a sludge storage tank (500); wherein the pretreatment section consists of an aeration grit chamber (210), an accident chamber (220) and a hydrolysis acidification tank (230) which are sequentially connected through pipelines; the biological treatment section consists of an anaerobic tank (310), an anoxic tank (320), an aerobic tank (330) and a secondary sedimentation tank (340) which are sequentially connected through pipelines; the advanced treatment section consists of an advanced oxidation tank (410), a coagulating sedimentation tank (420), a filtering tank (430) and a disinfection tank (440) which are connected in sequence through pipelines; the middle section of mud reservoir (500) one end is passed through the pipeline and is connected with the bottom of the pond of hydrolysis-acidification pool (230), good oxygen pond (330), coagulating sedimentation tank (420), elevator pump (100), preliminary treatment section, biological treatment section, advanced treatment section connect gradually, and sewage is sent into aeration grit chamber (210) by elevator pump (100), from disinfection pond (440) end discharge water up to standard.
2. The integrated treatment system for mixed sewage of industrial park according to claim 1, characterized in that: the hydrolysis acidification tank (230) is one of an upflow hydrolysis sludge bed, a complete mixing hydrolysis tank and an upflow hydrolysis packed bed.
3. The integrated treatment system for mixed sewage of industrial park according to claim 1, characterized in that: the biological treatment section is internally provided with a plurality of anoxic tanks (320) and aerobic tanks (330), and the anoxic tanks (320), the aerobic tanks (330), the anoxic tanks (320) and the aerobic tanks (330) are arranged in sequence behind the anaerobic tank (310).
4. The integrated treatment system for mixed sewage of industrial park according to claim 1, characterized in that: the upper end of one side of the sludge storage tank (500) is connected with the lift pump (100) through a pipeline, the lower end of the other side is connected with the dewatering machine (700), the dewatering machine (700) is also connected with the lift pump (100) through a pipeline, and the supernatant in the sludge storage tank (500) and the pressure filtrate output by the dewatering machine (700) are sent back to the aeration grit chamber (210) by the lift pump (100).
5. The integrated treatment system for mixed sewage of industrial park according to claim 1, characterized in that: the advanced oxidation pond comprises three stirring ponds (1) and at least six mixed reaction ponds (2); the mixing reaction tanks (2) are divided into three groups, the number of the mixing reaction tanks (2) in each group is reduced in sequence, the mixing reaction tanks are connected in sequence according to the sequence of the stirring tank, the first group of mixing reaction tanks, the stirring tank, the second group of mixing reaction tanks, the stirring tank and the third group of mixing reaction tanks, a water inlet pipe (4) is arranged on one side of the first stirring tank, and a water outlet pipe (5) is arranged on the last mixing reaction tank (2); water inlet valves (3) are arranged between the stirring tank (1) and the mixing reaction tank (2), between the mixing reaction tank (2) and between the mixing reaction tank (2), a stirrer is arranged in the stirring tank (1), the water inlet pipe (4) is connected with the secondary sedimentation tank, and the water outlet pipe (5) is connected with the coagulating sedimentation tank.
6. The integrated treatment system for mixed wastewater in industrial parks according to claim 5, characterized in that: the number of the mixed reaction tanks (2) is eight, the first group is five mixed reaction tanks (2), the second group is two mixed reaction tanks (2), and the third group is one mixed reaction tank (2).
7. The integrated treatment system for mixed wastewater in industrial parks according to claim 5, characterized in that: the adjacent stirring tanks (1) and the water inlet valves (3) among the mixing reaction tank (2), the mixing reaction tank (2) and the mixing reaction tank (2) are arranged diagonally on the same horizontal plane.
8. The integrated treatment system for mixed wastewater in industrial parks according to claim 5, characterized in that: an aeration device is arranged in the mixing reaction tank (2).
9. The integrated treatment system for mixed wastewater of industrial park according to one of claims 1 to 8, characterized in that: each pool is of a reinforced concrete structure, the inside of each pool is subjected to corrosion-resistant treatment, the top of each pool is covered with a cover plate made of reinforced concrete or corrosion-resistant metal, the cover plate of the stirring pool (1) is provided with a drug feeding port, and the cover plate of the aerobic pool (330) is connected with an air blower (600).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120675994.2U CN214781353U (en) | 2021-04-02 | 2021-04-02 | Mixed sewage comprehensive treatment system in industrial park |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120675994.2U CN214781353U (en) | 2021-04-02 | 2021-04-02 | Mixed sewage comprehensive treatment system in industrial park |
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| Publication Number | Publication Date |
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| CN214781353U true CN214781353U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202120675994.2U Active CN214781353U (en) | 2021-04-02 | 2021-04-02 | Mixed sewage comprehensive treatment system in industrial park |
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| CN (1) | CN214781353U (en) |
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2021
- 2021-04-02 CN CN202120675994.2U patent/CN214781353U/en active Active
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