CN108911123B - Anaerobic purifying tank - Google Patents
Anaerobic purifying tank Download PDFInfo
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- CN108911123B CN108911123B CN201810774442.XA CN201810774442A CN108911123B CN 108911123 B CN108911123 B CN 108911123B CN 201810774442 A CN201810774442 A CN 201810774442A CN 108911123 B CN108911123 B CN 108911123B
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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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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- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
An integrated constructed wetland sewage treatment system relates to the technical field of water treatment and aims to solve the technical problem of improving sewage treatment efficiency. The system comprises an artificial wetland bed, an anaerobic purification tank and a lifting pump; a water distributor is paved above the constructed wetland bed, and a water collector is paved at the bottom of the constructed wetland bed; a three-phase separator is fixed in the anaerobic purification tank, the three-phase separator divides a tank cavity of the anaerobic purification tank into an upper chamber and a lower chamber, a water outlet weir and a slag baffle surrounding the water outlet weir are fixed in the upper chamber, and a sewage inlet and a sludge discharge port are formed in the lower chamber; the water inlet of the lifting pump is connected to the water outlet of the water outlet weir through a pipe fitting, and the water outlet of the lifting pump is connected to the water distributor. The system provided by the application is suitable for sewage treatment.
Description
The application relates to a divisional application of an integrated constructed wetland sewage treatment system with the application number of 201510704399.6.
Technical Field
The application relates to a water treatment technology, in particular to a technology of an integrated constructed wetland sewage treatment system.
Background
The constructed wetland is an emerging sewage treatment process and is emerging in the countries of Germany, the United states, denmark and the like in the 70 th year. The constructed wetland technology has low construction and operation cost, simple maintenance and good effect and has wide application prospect in China because of numerous small and medium towns, dense population, limited funds and technology and great difficulty in developing large-scale sewage treatment plants.
In the existing constructed wetland sewage treatment technology, the removal of pollutants in sewage mainly depends on a wetland main body, and the sewage treatment efficiency is often not high, so that the condition is caused because the wetland water inflow is generally only subjected to simple precipitation or grid deslagging in the design process of the wetland, and the concentration of the pollutants in the wetland water inflow is too high. Moreover, the current constructed wetland generally has a large demand for land relative to the amount of treated water, and the reason for this is that many constructed wetlands have low hydraulic loads, i.e. the unit area of the wetland has low sewage treatment capacity. In addition, the existing constructed wetland is easy to block in the running process, and the reasons of the blocking are that the water quality of the wetland inflow water is difficult to control the concentration of suspended matters to be too high, the control of the treated water quantity is unstable, the water distribution is uneven, and the water seepage effect of the main filling material of the wetland is poor.
Disclosure of Invention
The application aims to solve the technical problems of the prior art, and provides an integrated constructed wetland sewage treatment system which has the advantages of high sewage treatment efficiency, small occupied area, large hydraulic load and stable operation and is not easy to block.
In order to solve the technical problems, the integrated constructed wetland sewage treatment system provided by the application comprises a constructed wetland bed for purifying water, and is characterized in that: the anaerobic purification tank and the lifting pump are also included;
a water distributor for distributing water to the artificial wetland bed is paved above the artificial wetland bed, and a water collector for collecting water is paved at the bottom of the artificial wetland bed;
a three-phase separator is fixed in the anaerobic purification tank, the three-phase separator divides a tank cavity of the anaerobic purification tank into an upper cavity and a lower cavity, a water outlet weir and a slag baffle surrounding the water outlet weir are fixed in the upper cavity, a sewage inlet is formed in the cavity wall of the lower cavity, and a sludge discharge port is formed in the bottom of the lower cavity;
the three-phase separator consists of a first separation cover and a second separation cover, wherein the first separation cover is an inverted cone-shaped cover body with the upper end and the lower end open, the second separation cover is a cone-shaped cover body with the lower end open unidirectionally, the second separation cover is fixed in the first separation cover, the lower edge of the second separation cover is connected with the inner wall of the first separation cover, a plurality of overflow holes are formed in the lower edge of the second separation cover, the overflow holes are uniformly distributed along the lower edge of the second separation cover, an exhaust port is formed in the top of the second separation cover, and the exhaust port is connected to the outside of the anaerobic purification tank through an exhaust pipe;
the slag baffle is higher than the three-phase separator, a gap is formed between the slag baffle and the water outlet weir, and the water inlet of the water outlet weir is higher than the bottom edge of the slag baffle;
the water inlet of the lifting pump is connected to the water outlet of the water outlet weir through a pipe fitting, and the water outlet of the lifting pump is connected to the water distributor.
Further, the top of the anaerobic purification tank is sealed by a cover plate, and the constructed wetland bed is arranged on the cover plate.
Further, a liquid level switch is arranged in the water outlet weir and is connected to the start-stop control end of the lifting pump.
Further, wetland plants are planted on the artificial wetland bed.
Further, the constructed wetland bed is formed by sequentially laminating a plurality of medium layers from top to bottom, wherein the medium layers comprise an activated carbon particle layer, a ceramsite layer, a plastic filler layer, a fine sand layer and a broken stone sub-layer.
Further, the thickness of the dielectric layer is 15-30 cm.
According to the integrated constructed wetland sewage treatment system provided by the application, the three-phase separator is utilized to perform three-phase separation on sewage, and after the sewage is treated by the anaerobic purification tank, the concentration of pollutants in water is reduced, so that a constructed wetland bed can treat sewage with larger water volume in the same time, and the integrated constructed wetland sewage treatment system has the characteristics of high sewage treatment efficiency, high hydraulic load and stable operation, and is not easy to block; in addition, the constructed wetland bed is directly arranged at the top of the anaerobic purification tank, and the occupied area can be reduced.
Drawings
FIG. 1 is a schematic diagram of an integrated constructed wetland sewage treatment system according to an embodiment of the present application;
FIG. 2 is a top view of a three-phase separator in an integrated constructed wetland sewage treatment system according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application is provided in detail, but the embodiments are not limited to the embodiments, and all the similar structures and similar variations using the present application should be included in the protection scope of the present application, and the reference numerals in the present application indicate the relationships.
As shown in fig. 1-2, the integrated constructed wetland sewage treatment system provided by the embodiment of the application comprises a constructed wetland bed 1 for purifying water, and is characterized in that: the anaerobic purification tank 2 and the lifting pump 6 are also included;
a water distributor 7 for distributing water to the artificial wetland bed 1 is paved above the artificial wetland bed 1, and a water collector 8 for collecting water is paved at the bottom of the artificial wetland bed 1;
a three-phase separator is fixed in the anaerobic purification tank 2, the three-phase separator divides the tank cavity of the anaerobic purification tank into an upper cavity and a lower cavity, a water outlet weir 4 and a slag baffle 5 surrounding the water outlet weir 4 are fixed in the upper cavity, a sewage inlet 21 is arranged on the cavity wall of the lower cavity, and a mud discharge port 22 is arranged at the bottom of the lower cavity;
the three-phase separator is composed of a first separation cover 31 and a second separation cover 32, wherein the first separation cover 31 is an inverted cone-shaped cover body with the upper end and the lower end open, the second separation cover 32 is a cone-shaped cover body with the lower end open unidirectionally, the second separation cover 32 is fixed in the first separation cover 31, the lower edge of the second separation cover 32 is connected with the inner wall of the first separation cover 31, a plurality of overflow holes 321 are formed in the lower edge of the second separation cover 32, the overflow holes 321 are uniformly distributed along the lower edge of the second separation cover 32, the top of the second separation cover 32 is provided with an exhaust port, and the exhaust port is connected to the outside of the anaerobic purification tank 2 through an exhaust pipe 322;
the slag baffle 5 is higher than the three-phase separator, a gap is formed between the slag baffle 5 and the water outlet weir 4, and the water inlet of the water outlet weir 4 is higher than the bottom edge of the slag baffle 5;
the water inlet of the lifting pump 6 is connected with the water outlet of the water outlet weir 4 through a pipe fitting, and the water outlet of the lifting pump 6 is connected with the water distributor 7.
In the embodiment of the application, the top of the anaerobic purification tank 2 is closed by a cover plate 20, and the constructed wetland bed 1 is arranged on the cover plate 20.
In the embodiment of the present application, a liquid level switch (not shown) is installed in the water outlet weir 4, and the liquid level switch is connected to the start-stop control end of the lift pump 6.
In the embodiment of the application, the constructed wetland bed 1 is planted with wetland plants 9, and the wetland plants can be selected from canna, eichhornia crassipes, linden, yellow iris, grassleaved sweetflag, alligator alternanthera and other plants, which can not only transport oxygen to root areas and provide the demands of growth, propagation and degradation of microorganisms in the root areas on oxygen, but also maintain and strengthen the hydraulic conductivity in the constructed wetland system, and can also obviously remove nitrogen and phosphorus in eutrophic water bodies.
In the embodiment of the application, the water distributor 7 is a water pipe uniformly provided with a plurality of water distribution heads, and the water collector 8 is a water pipe uniformly provided with a plurality of water collection heads which are opened upwards.
In the embodiment of the application, the constructed wetland bed 1 is formed by sequentially laminating a plurality of medium layers from top to bottom, wherein each medium layer sequentially comprises an active carbon particle layer, a ceramsite layer, a plastic filler layer, a fine sand layer and a crushed stone sub-layer from top to bottom, the thickness of each medium layer is about 15-30 cm, the active carbon particle is used for adsorbing phosphorus in water, the ceramsite is used for reinforcing matrix ventilation and accelerating water seepage, the plastic filler is used as a biomembrane carrier, and the fine sand and the crushed stone are used for filling the bed body.
The embodiment of the application is suitable for sewage treatment, and the specific treatment method comprises the following steps:
the sewage enters the anaerobic purification tank 2 through the sewage inlet 21 to carry out precipitation and anaerobic reaction, after a period of precipitation and reaction, a solid-liquid-gas three-phase mixture rises in the anaerobic purification tank, when the three-phase mixture rises to a three-phase separator, solid-liquid-gas three-phase separation is carried out under the interception of the three-phase separator, most of solids are intercepted in the lower chamber of the anaerobic purification tank to be gradually precipitated, finally, the sewage is discharged through the mud discharge opening 22, most of gas is accumulated at the top of the second separation cover 32 and is discharged through the exhaust pipe 322 (the discharged gas is usually rich in methane and can be used as fuel gas), the water flows into the upper chamber of the anaerobic purification tank through each overflow hole 321 at the lower edge of the second separation cover 32, then flows into the water outlet weir 4 after the slag of the liquid level is intercepted by the slag baffle plate 5, and when the water level in the water outlet weir 4 reaches a set value, a liquid level switch in the water outlet weir 4 is controlled to be started, so that the water in the water outlet weir 4 enters the water distributor 7 under the action of the lifting pump 6, is collected in the artificial surface layer of the water distributor 7, is sprayed in the artificial surface layer 1, and then is discharged into the artificial water layer 1 in the artificial wet layer and is drained from the artificial water layer 1 to the wet layer after the artificial layer is purified by the artificial layer 1; when the water level in the water outlet weir 4 is lower than the set value, a liquid level switch in the water outlet weir 4 is turned off, so that the lifting pump 6 is controlled to stop running.
Claims (4)
1. An anaerobic purification tank, the pond intracavity of anaerobic purification tank is fixed with the three-phase separator, three-phase separator separates into cavity, lower cavity with the pond chamber, the delivery port is established to the cavity of going up, sewage import has been seted up on the chamber wall of cavity, mud mouth has been seted up on the chamber bottom down, its characterized in that: the three-phase separator consists of a first separation cover and a second separation cover, wherein the first separation cover is an inverted cone-shaped cover body with the upper end and the lower end open, the second separation cover is a cone-shaped cover body with the lower end open unidirectionally, the second separation cover is fixed in the first separation cover, the lower edge of the second separation cover is connected with the inner wall of the first separation cover, a plurality of overflow holes are formed in the lower edge of the second separation cover, the overflow holes are uniformly distributed along the lower edge of the second separation cover, an exhaust port is formed in the top of the second separation cover, and the exhaust port is connected to the outside of the pool cavity through an exhaust pipe.
2. The anaerobic purification tank of claim 1, wherein: an outlet weir is fixed in the upper chamber, and the water outlet is connected to the outside of the pool cavity through the outlet weir.
3. An anaerobic purification tank according to claim 2, wherein: and a slag baffle surrounding the water outlet weir is also arranged in the upper cavity.
4. An anaerobic purification tank according to claim 3, wherein: a gap is formed between the slag baffle and the water outlet weir, and a water inlet of the water outlet weir is higher than the bottom edge of the slag baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810774442.XA CN108911123B (en) | 2015-10-27 | 2015-10-27 | Anaerobic purifying tank |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810774442.XA CN108911123B (en) | 2015-10-27 | 2015-10-27 | Anaerobic purifying tank |
| CN201510704399.6A CN105198090B (en) | 2015-10-27 | 2015-10-27 | Integrated artificial marsh sewage treatment system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510704399.6A Division CN105198090B (en) | 2015-10-27 | 2015-10-27 | Integrated artificial marsh sewage treatment system |
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| Publication Number | Publication Date |
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| CN108911123A CN108911123A (en) | 2018-11-30 |
| CN108911123B true CN108911123B (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810774442.XA Active CN108911123B (en) | 2015-10-27 | 2015-10-27 | Anaerobic purifying tank |
| CN201510704399.6A Active CN105198090B (en) | 2015-10-27 | 2015-10-27 | Integrated artificial marsh sewage treatment system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510704399.6A Active CN105198090B (en) | 2015-10-27 | 2015-10-27 | Integrated artificial marsh sewage treatment system |
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| CN (2) | CN108911123B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111777263B (en) * | 2020-06-05 | 2021-03-30 | 成都工业学院 | Resourceful treatment method for aquaculture wastewater |
| CN115557602B (en) * | 2022-09-21 | 2024-03-22 | 上海禾元环保集团有限公司 | UASB reactor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0493727A1 (en) * | 1990-12-29 | 1992-07-08 | PWA INDUSTRIEPAPIER GmbH | Reactor and process for the continuous mechanical and anaerobic biological purification of waste water containing solids |
| CN202465382U (en) * | 2012-02-29 | 2012-10-03 | 中国石油化工股份有限公司 | Three-phase separator and cylindrical anaerobic reactor |
| CN203582580U (en) * | 2013-09-27 | 2014-05-07 | 广西博世科环保科技股份有限公司 | Multi-stage treatment anaerobic reactor capable of separating inorganic sludge |
| CN103880178A (en) * | 2014-03-07 | 2014-06-25 | 许中华 | Multistage gas stripping and separating integrated anaerobic treatment device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318756A (en) * | 2008-06-07 | 2008-12-10 | 湖南鸿达环保设备制造有限公司 | Tridimensional oligodynamic wastewater treatment facilities |
| CN101774688A (en) * | 2009-01-09 | 2010-07-14 | 上海博丹环境工程技术有限公司 | Anaerobic reactor for treating high-concentration chemical industry sewage |
| CN204058202U (en) * | 2014-10-13 | 2014-12-31 | 杜丹 | A kind of unpowered domestic sewage processing system |
| CN205151908U (en) * | 2015-10-27 | 2016-04-13 | 浙江达人环保科技股份有限公司 | Constructed wetland sewage treatment system integrates |
-
2015
- 2015-10-27 CN CN201810774442.XA patent/CN108911123B/en active Active
- 2015-10-27 CN CN201510704399.6A patent/CN105198090B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0493727A1 (en) * | 1990-12-29 | 1992-07-08 | PWA INDUSTRIEPAPIER GmbH | Reactor and process for the continuous mechanical and anaerobic biological purification of waste water containing solids |
| CN202465382U (en) * | 2012-02-29 | 2012-10-03 | 中国石油化工股份有限公司 | Three-phase separator and cylindrical anaerobic reactor |
| CN203582580U (en) * | 2013-09-27 | 2014-05-07 | 广西博世科环保科技股份有限公司 | Multi-stage treatment anaerobic reactor capable of separating inorganic sludge |
| CN103880178A (en) * | 2014-03-07 | 2014-06-25 | 许中华 | Multistage gas stripping and separating integrated anaerobic treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105198090B (en) | 2018-08-31 |
| CN105198090A (en) | 2015-12-30 |
| CN108911123A (en) | 2018-11-30 |
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