CN113104998A - A coastal water layer exchange device for lake - Google Patents
A coastal water layer exchange device for lake Download PDFInfo
- Publication number
- CN113104998A CN113104998A CN202110550240.9A CN202110550240A CN113104998A CN 113104998 A CN113104998 A CN 113104998A CN 202110550240 A CN202110550240 A CN 202110550240A CN 113104998 A CN113104998 A CN 113104998A
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- water
- lake
- pipe
- water collecting
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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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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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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- 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)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses a coastal water layer exchange device for a lake, which comprises a water collecting system and a water distribution system; the water collecting system is arranged at a horizontal position close to the bottom of the lake and comprises a main water collecting pipe and a plurality of branch water collecting pipes, wherein the main water collecting pipe is arranged along the shoreline of the lake and is annular, and the branch water collecting pipes are uniformly distributed along the length direction of the main water collecting pipe; each water collecting branch pipe extends into the retaining wall of the lake; the water collecting main pipe is connected with a water inlet of the treatment device through a water collecting main pipe; the water distribution system is arranged at a horizontal position above the water surface of the lake and comprises a ring-shaped water distribution main pipe and a plurality of water distribution branch pipes, wherein the ring-shaped water distribution main pipe is arranged along the bank line of the lake; each water distribution branch pipe extends into the retaining wall of the lake; the water distribution main pipe is connected with the water outlet of the treatment device through the water distribution main pipe. The application of the invention can improve the water quality of lakes, avoid water quality deterioration caused by algae outbreak, insufficient dissolved oxygen and the like due to dead angles of the near shore area, and has good economical efficiency and reliability.
Description
Technical Field
The invention relates to the technical field of water body purification, in particular to a coastal water layer exchange device for lakes.
Background
Common problems of lakes include eutrophication of water bodies, insufficient dissolved oxygen, and the like, which are largely caused by insufficient hydrodynamic force of water bodies, especially the formation of dead water areas due to multiple dead corners at coastal locations. Because lake rivers are relatively slow, the depth of water is great, the bank line is complicated changeable, therefore also need to fit for local situation in the technical measure of promoting the hydrodynamic force.
In the prior art, aeration, plug flow and other modes are mostly adopted to improve water power, but the conventional aeration is only surface jet flow or water surface slapping, the oxygenation efficiency is low, the plug flow mechanical arm is easy to influence aquatic organisms in lakes, and the plug flow has certain limitation in lakes with larger water depth. In addition, the two measures are variable on the shoreline, the pertinence of the area forming dead corners is insufficient, and the algae outbreak of many lakes at the near-shore position is estimated to be the most serious.
Therefore, how to effectively improve the hydrodynamic force, avoid the algae outbreak, increase the dissolved oxygen content and solve the technical problems of water eutrophication and algae outbreak in the dead water area of the dead angle area of the shoreline is urgently needed to be solved by the technical personnel in the field.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention provides a coastal water layer exchange apparatus for lakes, which can improve the water quality of lakes and solve the problem of water quality deterioration caused by algae outbreak, insufficient dissolved oxygen, etc. due to dead water areas.
In order to achieve the aim, the invention discloses a coastal water layer exchange device for a lake, which comprises a water collecting system and a water distribution system.
The water collecting system is arranged at a horizontal position close to the bottom of the lake and comprises a main water collecting pipe and a plurality of branch water collecting pipes, wherein the main water collecting pipe is arranged along the shoreline of the lake in an annular shape, and the branch water collecting pipes are uniformly distributed along the length direction of the main water collecting pipe;
one end of each water collecting branch pipe is connected with the water collecting main pipe, and the other end of each water collecting branch pipe extends into a retaining wall of the lake to communicate the water collecting main pipe with the lake;
the water collecting main pipe is connected with a water inlet of the treatment device through a water collecting main pipe; the treatment device comprises a centrifugal pump, and lower-layer water close to the bottom position is extracted from the lake through the water collecting main pipe, the water collecting main pipe and the water collecting branch pipes by the centrifugal pump;
the water distribution system is arranged at a horizontal position above the water surface of the lake and comprises a ring-shaped water distribution main pipe and a plurality of water distribution branch pipes, wherein the ring-shaped water distribution main pipe is arranged along the bank line of the lake;
one end of each water distribution branch pipe is connected with the water distribution main pipe, and the other end of each water distribution branch pipe extends into the retaining wall of the lake and is positioned above the water surface of the lake;
the water distribution main pipe is connected with the water outlet of the treatment device through a water distribution main pipe.
Preferably, the water collecting branch pipe is arranged between the position, close to the bottom, of each dead water area of the lake and the water collecting main pipe, and the communication is realized through the water collecting branch pipe;
and a water distribution branch pipe connected with the water distribution main pipe is arranged at the position above the water surface of each dead water area.
Preferably, one end of each water collecting branch pipe extending into the retaining wall is provided with a grid plate.
The invention has the beneficial effects that:
the application of the invention can improve the water quality of the lake, avoid the water quality deterioration caused by algae outbreak, insufficient dissolved oxygen and the like caused by dead water areas generated near the bank, and has good economical efficiency and reliability.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 shows a plan view of a lower layer of a lake according to an embodiment of the present invention.
Fig. 2 is a plan view showing the structure of the upper layer of the lake according to an embodiment of the present invention.
FIG. 3 is a schematic diagram showing a partial longitudinal cross-section of a lake according to an embodiment of the present invention.
Detailed Description
Examples
As shown in fig. 1 to 3, the coastal water layer exchange apparatus for lakes includes a water collecting system and a water distribution system.
The water collecting system is arranged at a horizontal position close to the bottom of the lake and comprises a main water collecting pipe 2 which is distributed along a shoreline 1 of the lake in an annular shape and a plurality of branch water collecting pipes 3 which are uniformly distributed along the length direction of the main water collecting pipe 2;
one end of each water collecting branch pipe 3 is connected with the water collecting main pipe 2, and the other end of each water collecting branch pipe extends into a retaining wall of the lake to communicate the water collecting main pipe 2 with the lake;
the water collecting main pipe 2 is connected with a water inlet of a processing device 5 through a water collecting main pipe 4; the treatment device 5 comprises a centrifugal pump, and lower layer water close to the bottom position is extracted from the lake through a water collecting main pipe 4, a water collecting main pipe 2 and a plurality of water collecting branch pipes 3 by the centrifugal pump;
the water distribution system is arranged at a horizontal position above the water surface of the lake and comprises a ring-shaped water distribution main pipe 6 arranged along a bank line 1 of the lake and a plurality of water distribution branch pipes 7 uniformly distributed along the length direction of the water distribution main pipe 6;
one end of each water distribution branch pipe 7 is connected with the water distribution main pipe 6, and the other end of each water distribution branch pipe extends into the retaining wall of the lake and is positioned above the water surface of the lake;
the water distribution main pipe 6 is connected with the water outlet of the treatment device 5 through a water distribution main pipe.
The invention uniformly extracts the lower layer water close to the bottom from the lake through the water collecting system, and the water treated by the treatment device 5 is input into the lake from the periphery of the lake shoreline 1 at multiple points through the water distribution system by a plurality of water distribution branch pipes 7.
The invention collects and treats the lower water layer near the bottom in the lake, and then drives the water layer into the upper water layer, so as to avoid excessive sediment in the lower water layer, maintain the transparency of the water body, not influence the illumination and maintain good sensory effect.
The invention completes water layer exchange through the water collecting and distributing system. The lower layer water is pumped into the water from the upper part of the water surface after being collected and treated, can be fully contacted with the air, and can effectively increase the oxygen content in the water; the lower layer water is replaced by the treated upper layer water, and the original upper layer water enters the middle-lower layer, so that the conditions of illumination and oxygen are changed, and the growth of algae can be inhibited.
In some embodiments, a water collecting branch pipe 3 is arranged between the position of each dead water area of the lake, which is close to the bottom, and the water collecting main pipe 2, and the communication is realized through the water collecting branch pipes 3;
a water distribution branch pipe 7 connected with the water distribution main pipe 6 is arranged at the position above the water surface of each dead water area.
The invention separately arranges the water collecting branch pipe 3 and the water distribution branch pipe 7 in the dead water area close to the dead angle area on the bank side, which can ensure that the dead water area keeps certain hydrodynamic force and avoid water eutrophication and algae outbreak.
In some embodiments, the end of each water collecting branch pipe 3 extending into the retaining wall is provided with a grid plate 8.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (3)
1. A coastal water layer exchange device for lakes comprises a water collecting system and a water distribution system; the system is characterized in that the water collecting system is arranged at a horizontal position close to the bottom of the lake and comprises a main water collecting pipe (2) which is distributed along a shoreline (1) of the lake in an annular shape and a plurality of branch water collecting pipes (3) which are uniformly distributed along the length direction of the main water collecting pipe (2);
one end of each water collecting branch pipe (3) is connected with the water collecting main pipe (2), and the other end of each water collecting branch pipe extends into a retaining wall of the lake to communicate the water collecting main pipe (2) with the lake;
the water collecting main pipe (2) is connected with a water inlet of the treatment device (5) through a water collecting main pipe (4); the treatment device (5) comprises a centrifugal pump, and lower layer water close to the bottom position is extracted from the lake through the water collecting main pipe (4), the water collecting main pipe (2) and the water collecting branch pipes (3) by the centrifugal pump;
the water distribution system is arranged at a horizontal position above the water surface of the lake and comprises a main water distribution pipe (6) which is arranged along the bank line (1) of the lake and is annular, and a plurality of branch water distribution pipes (7) which are uniformly distributed along the length direction of the main water distribution pipe (6);
one end of each water distribution branch pipe (7) is connected with the water distribution main pipe (6), and the other end of each water distribution branch pipe extends into the retaining wall of the lake and is positioned above the water surface of the lake;
the water distribution main pipe (6) is connected with a water outlet of the treatment device (5) through a water distribution main pipe.
2. The coastal water layer exchange device for lake according to claim 1, characterized in that the branch water collecting pipe (3) is arranged between the position of each dead water area of the lake near the bottom and the main water collecting pipe (2), and the communication is realized through the branch water collecting pipe (3);
and a water distribution branch pipe (7) connected with a water distribution main pipe (6) is arranged at the position above the water surface of each dead water area.
3. The riparian water layer exchange apparatus for lakes according to claim 1, wherein one end of each of the branch catchment pipes (3) extending into the baffle wall is provided with a grid plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110550240.9A CN113104998A (en) | 2021-05-20 | 2021-05-20 | A coastal water layer exchange device for lake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110550240.9A CN113104998A (en) | 2021-05-20 | 2021-05-20 | A coastal water layer exchange device for lake |
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| Publication Number | Publication Date |
|---|---|
| CN113104998A true CN113104998A (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110550240.9A Pending CN113104998A (en) | 2021-05-20 | 2021-05-20 | A coastal water layer exchange device for lake |
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| CN (1) | CN113104998A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10216753A (en) * | 1997-02-05 | 1998-08-18 | Fujita Corp | Method for purifying lakes and marshes |
| CN1453074A (en) * | 2003-06-05 | 2003-11-05 | 宁波德安城市生态技术集团有限公司 | Artificial fountain and its water purifying method |
| CN1884118A (en) * | 2006-06-07 | 2006-12-27 | 唐文浩 | Ecological restoration method for enclosed or semi-enclosed landscape water bodies |
| CN106673195A (en) * | 2017-02-14 | 2017-05-17 | 浙江裕腾百诺环保科技有限公司 | Lake denitrification wave maker and lake water body denitrification wave making method |
-
2021
- 2021-05-20 CN CN202110550240.9A patent/CN113104998A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10216753A (en) * | 1997-02-05 | 1998-08-18 | Fujita Corp | Method for purifying lakes and marshes |
| CN1453074A (en) * | 2003-06-05 | 2003-11-05 | 宁波德安城市生态技术集团有限公司 | Artificial fountain and its water purifying method |
| CN1884118A (en) * | 2006-06-07 | 2006-12-27 | 唐文浩 | Ecological restoration method for enclosed or semi-enclosed landscape water bodies |
| CN106673195A (en) * | 2017-02-14 | 2017-05-17 | 浙江裕腾百诺环保科技有限公司 | Lake denitrification wave maker and lake water body denitrification wave making method |
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Application publication date: 20210713 |