CN113968662A - Ecological pond treatment method for tail water treatment of sewage plant - Google Patents
Ecological pond treatment method for tail water treatment of sewage plant Download PDFInfo
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- CN113968662A CN113968662A CN202111284212.3A CN202111284212A CN113968662A CN 113968662 A CN113968662 A CN 113968662A CN 202111284212 A CN202111284212 A CN 202111284212A CN 113968662 A CN113968662 A CN 113968662A
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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
- C02F1/52—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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
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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
- C02F7/00—Aeration of stretches of water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses an ecological pond treatment method for tail water treatment of a sewage plant, which comprises the following steps: step 1: constructing an ecological pond; step 2: pretreatment of sewage; and step 3: primary treatment of sewage; and 4, step 4: further treating the sewage; and 5: continuously treating the sewage; step 6: performing wetland treatment on the sewage; and 7: and (5) treating and detecting sewage. The invention provides an ecological pond treatment method for tail water treatment of a sewage plant, which is characterized in that sewage is fully and effectively treated through a plurality of combined ponds including a sedimentation tank, an aeration tank, a stabilization tank, an ecological pond and an artificial wetland, the treatment efficiency and treatment effect of the sewage are ensured, and the treated sewage can be temporarily stored in a water storage for later use.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to an ecological pond treatment method for tail water treatment of a sewage plant.
Background
The ecological pond is generally used for advanced treatment of sewage, has low concentration of influent pollutants and is also called an advanced treatment pond. The existing ecological pond has a single structure, and has low sewage treatment efficiency and poor treatment effect in the sewage treatment process.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides an ecological pond treatment method for tail water treatment of a sewage plant.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
an ecological pond treatment method for tail water treatment of a sewage plant comprises the following steps:
step 1: construction of ecological ponds
In the area near a sewage plant, selecting a low-lying area to construct an ecological pond, wherein the ecological pond comprises a sedimentation tank, an aeration tank, a stabilization tank, an ecological tank, an artificial wetland and a reservoir which are sequentially communicated through pipelines;
step 2: pretreatment of wastewater
Conveying tail water discharged by a sewage plant to a sedimentation tank through a pipeline, adding a flocculating agent into the sedimentation tank, stirring and coagulating to obtain primary treatment water and flocculating precipitates, and conveying the primary treatment water to an aeration tank through a pipeline for treatment;
and step 3: preliminary treatment of sewage
The primary treated water is conveyed into an aeration tank through a pipeline for plug flow aeration treatment, and the aeration rate is 15-25m3/m2·h；
And 4, step 4: further treatment of the waste water
Conveying the primary treatment water in the aeration tank into a stabilization tank through a pipeline, treating the primary treatment water in an ecological area and a filtering area, and conveying the primary treatment water into the ecological tank through a pipeline for treatment;
and 5: continuous treatment of sewage
Conveying the primary treated water in the stabilization tank to an ecological tank through a pipeline for treatment, wherein the primary treated water falls into the ecological tank from a high position, and flows into the artificial wetland from a pipeline at the bottom of the ecological tank after being treated by the ecological tank;
step 6: wetland treatment of sewage
Continuously conveying the primary treatment water in the ecological pool to the artificial wetland for treatment through a pipeline;
and 7: treatment and detection of wastewater
After the primary treated water in the artificial wetland is treated, the water quality is detected, and after the detection, the water is stored in a water storage tank for later use through a pipeline.
Further, the sedimentation tank comprises four first connecting tanks which are symmetrically arranged, and the four first connecting tanks are communicated with each other through pipelines.
Furthermore, the aeration tank comprises four symmetrically-arranged second connecting tanks, the second connecting tanks correspond to the first connecting tanks one by one, and the second connecting tanks are communicated with the first connecting tanks through pipelines;
a plug flow gas explosion device is respectively arranged in the second connecting pool;
further, the stabilization tank comprises an ecological area and a filtering area which are communicated, a filtering partition plate is arranged between the ecological area and the filtering area, a first aquatic plant is planted in the ecological area, and a first water-resisting layer, a first filtering layer, a second filtering layer, a third filtering layer and a preliminary percolation layer are sequentially paved in the filtering area from bottom to top;
the first aquatic plant is one of reed, cattail and water lettuce;
first filter layer and preliminary infiltration layer are the soil horizon, the second filter layer is the metalling, the third filter layer is the lime stone layer.
Further, divide into first subregion and second subregion by supreme down in the ecological pool, rubble, lime stone and soil have been laid by supreme down in proper order in the first subregion, plant calamus and foxtail algae in the second subregion.
Further, the artificial wetland comprises a bottom treatment layer and a top plant layer which are sequentially arranged from bottom to top, the bottom treatment layer comprises a second water-resisting layer, a packing layer and a biological film which are sequentially arranged from bottom to top, and a second aquatic plant is planted in the top plant layer;
the second aquatic plant is one of reed, calamus and canna.
The invention has the beneficial effects that:
the invention provides an ecological pond treatment method for tail water treatment of a sewage plant.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a composition diagram of an ecological pond provided by the invention;
FIG. 2 is a flow chart of the present invention for providing tail water treatment in a sewage plant.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An ecological pond treatment method for sewage plant tail water treatment as shown in fig. 1 to 2, the method comprising the steps of:
step 1: construction of ecological ponds
In the area near a sewage plant, selecting a low-lying area to construct an ecological pond, wherein the ecological pond comprises a sedimentation tank, an aeration tank, a stabilization tank, an ecological tank, an artificial wetland and a reservoir which are sequentially communicated through pipelines;
the sedimentation tank comprises four first connecting tanks which are symmetrically arranged, the four first connecting tanks are mutually communicated through a pipeline, and the sedimentation tank is arranged, so that most of impurities in the sewage can be effectively removed;
the aeration tank comprises four symmetrically-arranged second connecting tanks, the second connecting tanks correspond to the first connecting tanks one by one, and the second connecting tanks are communicated with the first connecting tanks through pipelines;
a flow pushing and gas explosion device is respectively arranged in the second connecting pool;
the stabilization tank comprises an ecological area and a filtering area which are communicated, a filtering clapboard is arranged between the ecological area and the filtering area, a first aquatic plant is planted in the ecological area, a first water-resisting layer, a first filtering layer, a second filtering layer, a third filtering layer and a preliminary percolation layer are sequentially paved in the filtering area from bottom to top, the arrangement is that in the stabilization tank, the plant root system and an ecological system in a pond can improve the treatment effect, and the filtering area is arranged and can effectively intercept solid pollutants in water;
the first aquatic plant is one of reed, cattail and water lettuce;
the first filter layer and the preliminary percolation layer are soil layers, the second filter layer is a gravel layer, and the third filter layer is a limestone layer;
the ecological pool is divided into a first partition area and a second partition area from bottom to top, broken stones, limestone and soil are sequentially paved in the first partition area from bottom to top, and calamus and watermifoil are planted in the second partition area;
the artificial wetland comprises a bottom treatment layer and a top plant layer which are sequentially arranged from bottom to top, the bottom treatment layer comprises a second water-resisting layer, a packing layer and a biological film which are sequentially arranged from bottom to top, and second aquatic plants are planted in the top plant layer;
the second aquatic plant is one of reed, calamus and canna;
step 2: pretreatment of wastewater
Conveying tail water discharged by a sewage plant into a sedimentation tank through a pipeline, adding a flocculating agent into the sedimentation tank, stirring and coagulating to obtain primary treatment water and flocculating precipitates, and conveying the primary treatment water into an aeration tank through a pipeline for treatment;
and step 3: preliminary treatment of sewage
The primary treated water is conveyed into an aeration tank through a pipeline for plug flow aeration treatment, and the aeration rate is 15-25m3/m2·h；
And 4, step 4: further treatment of the waste water
Conveying the primary treatment water in the aeration tank into a stabilization tank through a pipeline, treating the primary treatment water in an ecological area and a filtering area, and conveying the primary treatment water into the ecological tank through a pipeline for treatment;
and 5: continuous treatment of sewage
Conveying the primary treated water in the stabilization tank to an ecological tank through a pipeline for treatment, wherein the primary treated water falls into the ecological tank from a high position, and flows into the artificial wetland from a pipeline at the bottom of the ecological tank after being treated by the ecological tank;
step 6: wetland treatment of sewage
Continuously conveying the primary treatment water in the ecological pool to the artificial wetland for treatment through a pipeline;
and 7: treatment and detection of wastewater
After the primary treated water in the artificial wetland is treated, the water quality is detected, and after the detection, the water is stored in a water storage tank for later use through a pipeline.
The invention provides an ecological pond treatment method for tail water treatment of a sewage plant, which is characterized in that a plurality of combined ponds are arranged through arrangement of a sedimentation tank, an aeration tank, a stabilization tank, an ecological pond, an artificial wetland and a water storage pond, so that sewage is sufficiently and effectively treated, the treatment efficiency and treatment effect of the sewage are ensured, and the treated sewage can be temporarily stored in the water storage pond for later use.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (6)
1. An ecological pond treatment method for tail water treatment of a sewage plant is characterized by comprising the following steps: the method comprises the following steps:
step 1: construction of ecological ponds
In the area near a sewage plant, selecting a low-lying area to construct an ecological pond, wherein the ecological pond comprises a sedimentation tank, an aeration tank, a stabilization tank, an ecological tank, an artificial wetland and a reservoir which are sequentially communicated through pipelines;
step 2: pretreatment of wastewater
Conveying tail water discharged by a sewage plant to a sedimentation tank through a pipeline, adding a flocculating agent into the sedimentation tank, stirring and coagulating to obtain primary treatment water and flocculating precipitates, and conveying the primary treatment water to an aeration tank through a pipeline for treatment;
and step 3: preliminary treatment of sewage
The primary treated water is conveyed into an aeration tank through a pipeline for plug flow aeration treatment, and the aeration rate is 15-25m3/m2·h；
And 4, step 4: further treatment of the waste water
Conveying the primary treatment water in the aeration tank into a stabilization tank through a pipeline, treating the primary treatment water in an ecological area and a filtering area, and conveying the primary treatment water into the ecological tank through a pipeline for treatment;
and 5: continuous treatment of sewage
Conveying the primary treated water in the stabilization tank to an ecological tank through a pipeline for treatment, wherein the primary treated water falls into the ecological tank from a high position, and flows into the artificial wetland from a pipeline at the bottom of the ecological tank after being treated by the ecological tank;
step 6: wetland treatment of sewage
Continuously conveying the primary treatment water in the ecological pool to the artificial wetland for treatment through a pipeline;
and 7: treatment and detection of wastewater
After the primary treated water in the artificial wetland is treated, the water quality is detected, and after the detection, the water is stored in a water storage tank for later use through a pipeline.
2. The ecological pond treatment method for sewage plant tail water treatment according to claim 1, characterized in that: the sedimentation tank comprises four first connecting tanks which are symmetrically arranged, and the four first connecting tanks are communicated with each other through pipelines.
3. The ecological pond treatment method for sewage plant tail water treatment according to claim 1, characterized in that: the aeration tank comprises four symmetrically-arranged second connecting tanks, the second connecting tanks correspond to the first connecting tanks one by one, and the second connecting tanks are communicated with the first connecting tanks through pipelines;
and the second connecting pool is internally provided with a plug flow gas explosion device respectively.
4. The ecological pond treatment method for sewage plant tail water treatment according to claim 1, characterized in that: the stabilization tank comprises an ecological area and a filtering area which are communicated, a filtering partition plate is arranged between the ecological area and the filtering area, a first aquatic plant is planted in the ecological area, and a first water-resisting layer, a first filtering layer, a second filtering layer, a third filtering layer and a preliminary percolation layer are sequentially paved in the filtering area from bottom to top;
the first aquatic plant is one of reed, cattail and water lettuce;
first filter layer and preliminary infiltration layer are the soil horizon, the second filter layer is the metalling, the third filter layer is the lime stone layer.
5. The ecological pond treatment method for sewage plant tail water treatment according to claim 1, characterized in that: ecological pond is by supreme first subregion and the second subregion of being divided into down, rubble, lime stone and soil have been laid by supreme down in proper order in the first subregion, plant calamus and foxtail algae in the second subregion.
6. The ecological pond treatment method for sewage plant tail water treatment according to claim 1, characterized in that: the artificial wetland comprises a bottom treatment layer and a top plant layer which are sequentially arranged from bottom to top, the bottom treatment layer comprises a second water-resisting layer, a packing layer and a biological film which are sequentially arranged from bottom to top, and second aquatic plants are planted in the top plant layer;
the second aquatic plant is one of reed, calamus and canna.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111284212.3A CN113968662A (en) | 2021-11-01 | 2021-11-01 | Ecological pond treatment method for tail water treatment of sewage plant |
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| CN202111284212.3A CN113968662A (en) | 2021-11-01 | 2021-11-01 | Ecological pond treatment method for tail water treatment of sewage plant |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412564A (en) * | 2008-11-06 | 2009-04-22 | 中国科学院南京地理与湖泊研究所 | Wet land technique for deep purification of tail water of sewage plant |
| CN102674549A (en) * | 2012-05-31 | 2012-09-19 | 山东潍坊东盛园艺有限公司 | Treatment method for applying urban reclaimed water to landscape water |
| CN104829062A (en) * | 2015-05-14 | 2015-08-12 | 沈阳环境科学研究院 | System for treating micro-polluted water body by combining ecological wetland and plurality of ponds |
| CN108178447A (en) * | 2018-01-11 | 2018-06-19 | 浙江省淡水水产研究所 | A kind of shrimp culture tail water treatment system |
| CN109133378A (en) * | 2018-09-30 | 2019-01-04 | 北京东方园林环境股份有限公司 | A kind of composite constructed wetland system |
| CN109354206A (en) * | 2018-12-10 | 2019-02-19 | 佛山科学技术学院 | A kind of method of Sewage treatment in constructed wetland |
-
2021
- 2021-11-01 CN CN202111284212.3A patent/CN113968662A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412564A (en) * | 2008-11-06 | 2009-04-22 | 中国科学院南京地理与湖泊研究所 | Wet land technique for deep purification of tail water of sewage plant |
| CN102674549A (en) * | 2012-05-31 | 2012-09-19 | 山东潍坊东盛园艺有限公司 | Treatment method for applying urban reclaimed water to landscape water |
| CN104829062A (en) * | 2015-05-14 | 2015-08-12 | 沈阳环境科学研究院 | System for treating micro-polluted water body by combining ecological wetland and plurality of ponds |
| CN108178447A (en) * | 2018-01-11 | 2018-06-19 | 浙江省淡水水产研究所 | A kind of shrimp culture tail water treatment system |
| CN109133378A (en) * | 2018-09-30 | 2019-01-04 | 北京东方园林环境股份有限公司 | A kind of composite constructed wetland system |
| CN109354206A (en) * | 2018-12-10 | 2019-02-19 | 佛山科学技术学院 | A kind of method of Sewage treatment in constructed wetland |
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