CN111825269A - Industrial wastewater advanced treatment system - Google Patents
Industrial wastewater advanced treatment system Download PDFInfo
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- CN111825269A CN111825269A CN201910311511.8A CN201910311511A CN111825269A CN 111825269 A CN111825269 A CN 111825269A CN 201910311511 A CN201910311511 A CN 201910311511A CN 111825269 A CN111825269 A CN 111825269A
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses an industrial wastewater advanced treatment system, which comprises a regulating tank, a reaction sedimentation tank, an aerobic tank, an anaerobic tank, a secondary sedimentation tank, a filtering device, a detection tank and a disinfection tank which are connected in sequence, wherein the disinfection tank is provided with a standard discharge pipeline; the reaction sedimentation tank, the aerobic tank, the anaerobic tank and the secondary sedimentation tank are respectively connected with a sludge concentration tank for mixing sludge and concentrating the sludge through pipelines, and supernatant in the sludge concentration tank flows back to the regulating tank through the pipelines to carry out secondary sewage treatment; the filtering device comprises a multi-media filter, an activated carbon filter and an RO membrane filter, a detection device for detecting the nitrogen content, the phosphorus content and the heavy metal content in the purified water is arranged in the detection pool, and the detection pool is connected with the reaction sedimentation tank through a pipeline. The device has reasonable and effective structural layout, lower cost and better advanced treatment on industrial wastewater.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to an industrial wastewater advanced treatment system.
Background
In recent years, with the rapid development of urban economy, the amount of sewage generated in the industrial production process in cities is gradually increased, and industrial wastewater contains industrial production materials, intermediate products, byproducts and pollutants generated in the production process along with water loss, which are important causes of environmental pollution, especially water pollution.
The industrial waste water treatment process in the prior art is single, and mainly adopts aerobic biological treatment and anaerobic biological treatment technologies represented by an activated sludge method or a biofilm method, and adopts a physical or chemical method for auxiliary treatment. Although the activated sludge method or the biofilm method has little influence on the environment, the treatment effect is not good, the removal rate of COD is not ideal, the effluent quality is not stable, the residues of heavy metals and the like are high, the water quality requirement of industrial sewage treatment can be met only by a complex process treatment flow, and the system construction cost is high; the chemical method has good removal effect, but has great influence on the environment and is easy to cause secondary pollution.
Disclosure of Invention
The invention aims to solve the technical problem of providing an industrial wastewater advanced treatment system, which can solve the problems of unsatisfactory industrial wastewater treatment effect, unstable effluent quality, long treatment period and low system efficiency in the prior art.
In order to solve the problems, the invention adopts the following technical scheme:
the invention provides an industrial wastewater advanced treatment system, which comprises a regulating tank, a reaction sedimentation tank, an aerobic tank, an anaerobic tank, a secondary sedimentation tank, a filtering device, a detection tank and a disinfection tank which are connected in sequence, wherein the disinfection tank is provided with a standard discharge pipeline; the reaction sedimentation tank, the aerobic tank, the anaerobic tank and the secondary sedimentation tank are respectively connected with a sludge concentration tank for mixing sludge and concentrating the sludge through pipelines, and supernatant in the sludge concentration tank flows back to the regulating tank through the pipelines for secondary sewage treatment; the filtering device comprises a multi-media filter, an activated carbon filter and an RO membrane filter, a detection device for detecting the nitrogen content, the phosphorus content and the heavy metal content in the purified water is arranged in the detection pool, and the detection pool is connected with the reaction sedimentation pool through a pipeline and is used for refluxing the water which enters the detection pool and is detected that each index does not reach the standard into the reaction sedimentation pool for retreatment; the reaction sedimentation tank is internally divided into a reaction area and a sedimentation area through a partition plate, the reaction area is connected with the regulating tank, the reaction area is communicated with a dosing tank positioned outside the reaction sedimentation tank through a dosing pipeline, a stirring mechanism is arranged in the reaction area, an inclined pipe assembly is arranged at the lower part in the sedimentation area, the bottom of the sedimentation area is arranged to be of a conical structure, a first sewage discharge port is arranged at the bottom of the sedimentation area, the first sewage discharge port is connected with the sludge concentration tank through a pipeline, a sedimentation area water inlet is transversely formed in the upper part of the partition plate, industrial wastewater after treatment in the reaction area enters the sedimentation area through the sedimentation area water inlet to be subjected to preliminary sedimentation treatment, an overflow port is transversely formed in the upper part of one side wall, opposite to the partition plate, of the sedimentation area, and the overflow port is communicated with the aerobic tank through a pipeline.
The improved sewage treatment device is characterized in that a second sewage draining outlet is formed in the bottom of the anaerobic tank and is connected with the sludge concentration tank through a pipeline, a plurality of baffle plates with certain gaps are arranged in the anaerobic tank, the bottom of the anaerobic tank is reserved with the baffle plates, the lower portions of the baffle plates are provided with 45-degree corners for buffering water flow and uniformly distributing water, and a reflux pump is arranged between the anaerobic tank and the aerobic tank.
The improved aerobic pool is characterized in that a water distribution pipe is transversely arranged at the lower part in the aerobic pool, the water distribution pipe is connected with the reaction sedimentation pool through a pipeline, a plurality of water outlets are arranged on the water distribution pipe, the water outlets face the bottom of the aerobic pool, a microporous aeration disc is arranged below the water distribution pipe, the microporous aeration disc is connected with an air blower positioned at one side outside the aerobic pool through an aeration pipe, a dissolved oxygen amount detection device is arranged on the inner side wall of the aerobic pool, the upper part of the side wall of the aerobic pool is connected with the anaerobic pool through a pipeline, a third sewage discharge outlet is arranged at the bottom of the aerobic pool, and the third sewage discharge outlet is respectively connected with the anaerobic pool and the sludge concentration pool through pipelines.
The improvement lies in that, equalizing basin one side is provided with the inlet tube for input industrial waste water in to the equalizing basin, the equalizing basin opposite side pass through the outlet pipe with the reaction sedimentation tank intercommunication, be close to in the equalizing basin and be provided with the grid that is arranged in stopping industrial waste water impurity in the department of inlet tube, be equipped with the pH detector on the inner wall of equalizing basin, the equalizing basin top is provided with the liquid reserve tank, cut apart into sour liquid chamber and alkali lye chamber through the division board in the liquid reserve tank, the acidizing liquid chamber pass through the acid liquid pipe with the equalizing basin intercommunication, the alkali lye chamber pass through the alkali liquid pipe with the equalizing basin intercommunication, the acid liquid pipe with all be provided with the valve on the alkali liquid pipe.
Compared with the prior art, the invention has the following beneficial effects:
the invention has reasonable and effective structural layout and lower cost, adopts a mode of combining physical treatment, chemical treatment and biological treatment, has better advanced treatment on industrial wastewater, improves the dephosphorization and denitrification effects, improves the water treatment efficiency, can treat industrial wastewater of different types, ensures stable effluent quality, realizes the recycling of industrial wastewater, saves energy, is economic and reasonable, and has better environmental benefit and economic benefit.
Drawings
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
FIG. 1 is a schematic process diagram of an advanced treatment system for industrial wastewater according to the present invention;
FIG. 2 is a schematic view of the structure of the filter device of the present invention;
FIG. 3 is a schematic view showing the internal structure of a conditioning tank according to the present invention;
FIG. 4 is a schematic view showing the internal structure of the reaction sedimentation tank according to the present invention;
FIG. 5 is a schematic view showing the internal structure of an anaerobic tank according to the present invention;
FIG. 6 is a schematic view of the internal structure of an aerobic tank according to the present invention;
wherein the specific reference numerals are as follows: the device comprises a regulating tank 1, a water inlet pipe 2, a grid 3, a water outlet pipe 4, a liquid storage tank 5, an acid liquid cavity 6, an alkali liquid cavity 7, an acid liquid pipe 8, an alkali liquid pipe 9, a valve 10, a reaction sedimentation tank 11, a partition plate 12, a reaction zone 13, a sedimentation zone 14, a dosing pipeline 15, a dosing tank 16, a stirring mechanism 17, an inclined pipe assembly 18, a first sewage discharge port 19, an aerobic tank 20, a water distribution pipe 21, a water outlet 22, a microporous aeration disc 23, an aeration pipe 24, an air blower 25, a dissolved oxygen amount detection device 26, a third sewage discharge port 27, an anaerobic tank 28, a second sewage discharge port 29, a baffle plate 30, a reflux pump 31, a secondary sedimentation tank 32, a filtering device 33, a multi-media filter 34, an activated carbon filter 35, an RO membrane filter 36, a detection tank 37, a disinfection tank 38 and a.
Detailed Description
The invention provides an industrial wastewater advanced treatment system, which comprises an adjusting tank 1 for removing impurities in industrial wastewater and adjusting the pH value of the industrial wastewater, a reaction sedimentation tank 11 for removing heavy metal ions in the industrial wastewater, an aerobic tank 20 for degrading organic matters in the industrial wastewater by using microorganisms and having the functions of denitrification and dephosphorization, an anaerobic tank 28 for removing the organic matters in the industrial wastewater, a secondary sedimentation tank 32, a filtering device 33, a detection tank 37 and a disinfection tank 38, wherein the disinfection tank 38 is provided with a standard discharge pipeline, which are connected in sequence, as shown in figure 1. The reaction sedimentation tank 11, the aerobic tank 20, the anaerobic tank 28 and the secondary sedimentation tank 32 are respectively connected with a sludge concentration tank 39 for mixing sludge and concentrating the sludge through pipelines, and supernatant in the sludge concentration tank 39 flows back to the regulating tank 1 through the pipelines to carry out secondary sewage treatment. As shown in fig. 2, the filtering device 33 includes a multimedia filter 34, an activated carbon filter 35, and an RO membrane filter 36. Be provided with the detection device who is arranged in detecting pond 37 and is arranged in detecting the quality of water nitrogen content, phosphorus content, heavy metal content after purifying, detect pond 37 and link to each other with reaction sedimentation tank 11 through the pipeline for will enter into and detect among the pond 37 and flow back to reaction sedimentation tank 11 in the quality of water that each index does not reach the standard through detecting and carry out retreatment. As shown in fig. 4, the interior of the reaction sedimentation tank 11 is divided into a reaction area 13 and a sedimentation area 14 by a partition plate 12, the reaction area 13 is connected with the regulation tank 1, the reaction area 13 is communicated with a dosing tank 16 located outside the reaction sedimentation tank 11 by a dosing pipeline 15, a stirring mechanism 17 is arranged in the reaction area 13, an inclined pipe assembly 18 is arranged at the lower portion in the sedimentation area 14, the bottom of the sedimentation area 14 is of a conical structure, a first sewage discharge port 19 is arranged at the bottom of the sedimentation area 14, the first sewage discharge port 19 is connected with a sludge concentration tank 39 by a pipeline, a sedimentation area water inlet is transversely arranged at the upper portion of the partition plate 12, industrial wastewater treated in the reaction area 13 enters the sedimentation area 14 through the sedimentation area water inlet to perform primary sedimentation treatment, an overflow port is transversely arranged at the upper portion of a side wall opposite to the partition plate 12 in the sedimentation area 14, and the overflow.
As shown in fig. 5, a second sewage draining outlet 29 is provided at the bottom of the anaerobic tank 28, the second sewage draining outlet 29 is connected with a sludge concentration tank 39 through a pipeline, a plurality of baffle plates 30 with a certain gap reserved at the bottom of the anaerobic tank 28 are provided in the anaerobic tank 28, a 45-degree corner is provided at the lower part of the baffle plate 30 for buffering water flow and uniformly distributing water, and a reflux pump 31 is provided between the anaerobic tank 28 and the aerobic tank 20.
As shown in fig. 6, a water distribution pipe 21 is transversely disposed at the lower portion of the aerobic tank 20, the water distribution pipe 21 is connected to the reaction sedimentation tank 11 through a pipeline, a plurality of water outlets 22 are disposed on the water distribution pipe 21, the water outlets 22 face the bottom of the aerobic tank 20, a microporous aeration tray 23 is disposed below the water distribution pipe 21, the microporous aeration tray 23 is connected to an air blower 25 located at one side outside the aerobic tank 20 through an aeration pipe 24, a dissolved oxygen amount detection device 26 is disposed on the inner side wall of the aerobic tank 20, the upper portion of the side wall of the aerobic tank 20 is connected to the anaerobic tank 28 through a pipeline, a third sewage outlet 27 is disposed at the bottom of the aerobic tank 20, and the third sewage outlet 27 is connected to the anaerobic tank 28 and the sludge concentration tank 39.
Wherein, as shown in fig. 3, regulating reservoir 1 one side is provided with inlet tube 2 for to inputing industrial waste water in regulating reservoir 1, 1 opposite side of regulating reservoir passes through outlet pipe 4 and reaction sedimentation tank 11 intercommunication, be close to in the regulating reservoir 1 and locate to be provided with the grid 3 that is arranged in stopping industrial waste water impurity near inlet tube 2, be equipped with the pH detector on the regulating reservoir 1 inside wall, 1 top of regulating reservoir is provided with liquid reserve tank 5, cut apart into acidizing fluid chamber 6 and alkali lye chamber 7 through the division board in the liquid reserve tank 5, acidizing fluid chamber 6 passes through acid liquid pipe 8 and regulating reservoir 1 intercommunication, alkali lye chamber 7 passes through alkali liquid pipe 9 and regulating reservoir 1 intercommunication, all be provided with valve 10 on acidizing fluid pipe 8 and the alkali liquid pipe 9.
The invention has reasonable and effective structural layout and lower cost, adopts a mode of combining physical treatment, chemical treatment and biological treatment, has better advanced treatment on industrial wastewater, improves the dephosphorization and denitrification effects, improves the water treatment efficiency, can treat industrial wastewater of different types, ensures stable effluent quality, realizes the recycling of industrial wastewater, saves energy, is economic and reasonable, and has better environmental benefit and economic benefit.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (4)
1. An industrial wastewater advanced treatment system is characterized by comprising a regulating tank, a reaction sedimentation tank, an aerobic tank, an anaerobic tank, a secondary sedimentation tank, a filtering device, a detection tank and a disinfection tank which are connected in sequence, wherein the disinfection tank is provided with a standard discharge pipeline; the reaction sedimentation tank, the aerobic tank, the anaerobic tank and the secondary sedimentation tank are respectively connected with a sludge concentration tank for mixing sludge and concentrating the sludge through pipelines, and supernatant in the sludge concentration tank flows back to the regulating tank through the pipelines for secondary sewage treatment; the filtering device comprises a multi-media filter, an activated carbon filter and an RO membrane filter, a detection device for detecting the nitrogen content, the phosphorus content and the heavy metal content in the purified water is arranged in the detection pool, and the detection pool is connected with the reaction sedimentation pool through a pipeline and is used for refluxing the water which enters the detection pool and is detected that each index does not reach the standard into the reaction sedimentation pool for retreatment; the reaction sedimentation tank is internally divided into a reaction area and a sedimentation area through a partition plate, the reaction area is connected with the regulating tank, the reaction area is communicated with a dosing tank positioned outside the reaction sedimentation tank through a dosing pipeline, a stirring mechanism is arranged in the reaction area, an inclined pipe assembly is arranged at the lower part in the sedimentation area, the bottom of the sedimentation area is arranged to be of a conical structure, a first sewage discharge port is arranged at the bottom of the sedimentation area, the first sewage discharge port is connected with the sludge concentration tank through a pipeline, a sedimentation area water inlet is transversely formed in the upper part of the partition plate, industrial wastewater after treatment in the reaction area enters the sedimentation area through the sedimentation area water inlet to be subjected to preliminary sedimentation treatment, an overflow port is transversely formed in the upper part of one side wall, opposite to the partition plate, of the sedimentation area, and the overflow port is communicated with the aerobic tank through a pipeline.
2. The advanced industrial wastewater treatment system according to claim 1, wherein a second sewage discharge outlet is arranged at the bottom of the anaerobic tank, the second sewage discharge outlet is connected with the sludge concentration tank through a pipeline, a plurality of baffle plates with a certain gap reserved at the bottom of the anaerobic tank are arranged in the anaerobic tank, a 45-degree corner is arranged at the lower part of each baffle plate and used for buffering water flow and uniformly distributing water, and a reflux pump is arranged between the anaerobic tank and the aerobic tank.
3. The advanced industrial wastewater treatment system according to claim 2, wherein a water distribution pipe is transversely arranged at the lower part in the aerobic tank, the water distribution pipe is connected with the reaction sedimentation tank through a pipeline, a plurality of water outlets are arranged on the water distribution pipe, the water outlets face the bottom of the aerobic tank, a microporous aeration disc is arranged below the water distribution pipe, the microporous aeration disc is connected with an air blower positioned at one side outside the aerobic tank through an aeration pipe, a dissolved oxygen amount detection device is arranged on the inner side wall of the aerobic tank, the upper part of the side wall of the aerobic tank is connected with the anaerobic tank through a pipeline, a third sewage discharge outlet is arranged at the bottom of the aerobic tank, and the third sewage discharge outlet is respectively connected with the anaerobic tank and the sludge concentration tank through pipelines.
4. The advanced industrial wastewater treatment system according to claim 1, wherein a water inlet pipe is arranged on one side of the regulating reservoir for inputting industrial wastewater into the regulating reservoir, the other side of the regulating reservoir is communicated with the reaction sedimentation reservoir through a water outlet pipe, a grid for blocking impurities in the industrial wastewater is arranged in the regulating reservoir close to the water inlet pipe, a pH detector is arranged on the inner side wall of the regulating reservoir, a liquid storage tank is arranged at the top of the regulating reservoir, the liquid storage tank is divided into an acid liquid cavity and an alkali liquid cavity through a partition plate, the acid liquid cavity is communicated with the regulating reservoir through an acid liquid pipe, the alkali liquid cavity is communicated with the regulating reservoir through an alkali liquid pipe, and valves are arranged on the acid liquid pipe and the alkali liquid pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910311511.8A CN111825269A (en) | 2019-04-18 | 2019-04-18 | Industrial wastewater advanced treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910311511.8A CN111825269A (en) | 2019-04-18 | 2019-04-18 | Industrial wastewater advanced treatment system |
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| Publication Number | Publication Date |
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| CN111825269A true CN111825269A (en) | 2020-10-27 |
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| CN201910311511.8A Pending CN111825269A (en) | 2019-04-18 | 2019-04-18 | Industrial wastewater advanced treatment system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112694217A (en) * | 2020-12-22 | 2021-04-23 | 南京市利澜电力节能科技有限公司 | Power plant industrial wastewater treatment system and treatment method |
| CN112777874A (en) * | 2021-01-20 | 2021-05-11 | 喻婕 | Method for treating acidic wastewater containing heavy metals |
| CN117923738A (en) * | 2024-03-22 | 2024-04-26 | 艾默斯(江苏)环境科学发展有限公司 | Industrial sewage comprehensive treatment device |
-
2019
- 2019-04-18 CN CN201910311511.8A patent/CN111825269A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112694217A (en) * | 2020-12-22 | 2021-04-23 | 南京市利澜电力节能科技有限公司 | Power plant industrial wastewater treatment system and treatment method |
| CN112777874A (en) * | 2021-01-20 | 2021-05-11 | 喻婕 | Method for treating acidic wastewater containing heavy metals |
| CN117923738A (en) * | 2024-03-22 | 2024-04-26 | 艾默斯(江苏)环境科学发展有限公司 | Industrial sewage comprehensive treatment device |
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Application publication date: 20201027 |