CN107151057B - Tank-type solar floating island and ecological water body restoration system - Google Patents
Tank-type solar floating island and ecological water body restoration system Download PDFInfo
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- CN107151057B CN107151057B CN201710569566.XA CN201710569566A CN107151057B CN 107151057 B CN107151057 B CN 107151057B CN 201710569566 A CN201710569566 A CN 201710569566A CN 107151057 B CN107151057 B CN 107151057B
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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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- 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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- 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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention provides a tank-type solar floating island and an ecological water body restoration system. The tank type solar floating island comprises a water outlet tank, a water inlet tank which is positioned in the water outlet tank and connected with the inner wall surface of the water outlet tank, a plurality of aeration units which are uniformly distributed along the inner wall surface of the water inlet tank, a water outlet pipeline and a water inlet pipeline which are connected with the water outlet tank and the water inlet tank and extend outwards, a floating body which is arranged above the aeration units, a supporting frame which is connected with the aeration units and is used for supporting the water outlet tank and the water inlet tank, and a cover plate and/or a solar panel which are arranged above the supporting frame, wherein the aeration units comprise a shrinking neck part which is positioned above the aeration part and a liquid discharging part which is positioned above the shrinking neck part and is provided with a liquid discharging plug-in unit. The invention absorbs nutrient substances of the oxygenation water body through green planting, can improve the water quality, and realizes fixed-point water body restoration of water in-out separation.
Description
Technical Field
The invention relates to an ecological floating island and an ecological water body restoration system, in particular to a tank-type solar floating island and an ecological water body restoration system.
Background
With the development of economy, eutrophication of water bodies such as lakes and the like is a serious environmental problem facing the world today. The water nutrition of the lake and reservoir worsens the water quality, induces the water deficiency crisis of 'water quality', and reduces the comprehensive utilization efficiency of water resources and the safety water supply guaranteeing capability. For eutrophic water, different physical, chemical and biological methods are adopted for treatment in various countries and regions, so that the eutrophic water is repaired to a certain extent. Research shows that ecological restoration methods are widely accepted. The artificial floating island is used as one of the water body in-situ restoration technologies, and has remarkable advantages compared with other biological restoration technologies. The floating island utilizes plant absorption effect and microorganism purification effect to repair water body, and has better purification effect on eutrophic water quality.
Researchers are known to develop a novel aeration filler floating island, and the floating island is mainly purified by virtue of a biological film of the filler, does not depend on plants, is convenient to manage, and improves the purifying effect of the floating island. In addition, researchers also research a method and a device for removing nutrient substances from a lake water body, wherein the device comprises a floating bed, and a groove-shaped water flow channel is arranged in the middle of the floating bed; when the floating bed walks in the water body, water flow passes through the channel, flocculating agent is added into the water flow, stirring is carried out, the flocculating agent is formed, and the magnetic separation system is used for adsorbing and removing the flocculating agent.
However, in the existing method for treating water eutrophication, the problems of complex operation and maintenance, complex treatment process, poor energy conservation, higher cost and incapability of continuously and effectively treating the water body exist, so that the continuous and efficient ecological pollution control with low cost and low carbon is difficult to realize.
Disclosure of Invention
In order to solve the problems, the invention provides a tank-type solar floating island, which comprises a water outlet tank, a water inlet tank which is positioned in the water outlet tank and is connected with the inner wall surface of the water outlet tank, a plurality of aeration units which are uniformly distributed along the inner wall surface of the water inlet tank, a water outlet pipeline and a water inlet pipeline which are connected with the water outlet tank and the water inlet tank and extend outwards, a floating body which is arranged above the aeration units, a support frame which is connected with the aeration units and is used for supporting the water outlet tank and the water inlet tank, and a cover plate and/or a solar panel which are arranged above the support frame, wherein the aeration units comprise a shrinking neck part which is positioned above an aeration part and a liquid discharging part which is positioned above the shrinking neck part and is provided with a liquid discharging plug-in unit.
As an improvement, the first port of the water inlet pipeline is communicated with the water inlet of the aeration unit, the first port of the water outlet pipeline is communicated with the water outlet of the aeration unit, and the water inlet pipeline and the second port of the water outlet pipeline are arranged at the position of the water body needing aeration treatment in water.
As an improvement, a plurality of through holes are formed in the side wall of the water inlet tank, and the horizontal pipe of the aeration unit passes through the plurality of through holes and is vertically fixed to the side wall.
As an improvement, the aeration unit comprises a horizontal pipe, a water inlet pipe and a water outlet pipe, wherein the water inlet pipe and the water outlet pipe are separated by the side wall of the water inlet tank and are respectively arranged in the water inlet tank and the water outlet tank.
As an improvement, the length of the water inlet pipe is smaller than the vertical distance from the central axis of the transverse pipe to the surface of the bottom plate of the water inlet tank.
As an improvement, the length of the water outlet pipe is smaller than the vertical distance from the central axis of the transverse pipe to the surface of the bottom plate of the water outlet tank.
As an improvement, the side walls or the bottoms of the water inlet tank and the water outlet tank are provided with openings, and the positions of the openings of the water inlet tank and the water outlet tank are lower than the waterline position of the tank type solar floating island.
As a modification, in the aeration unit, the inside of the liquid discharge insert has a plurality of independent spaces partitioned by a plurality of lines passing through the center of the cross section or partitioned by two sets of parallel lines intersecting each other.
The invention provides an ecological water body restoration system which comprises the tank-type solar floating island.
The invention has the beneficial effects that:
(1) The structure is simple, the manufacture is easy, and the cost is low;
(2) The nutrient substances of the oxygenation water body are absorbed through green plants, so that the water quality can be improved;
(3) Through the structure of the invention, the water body after aeration treatment and the water body without aeration treatment can be completely separated, short-circuit flow is avoided, and the aeration efficiency is improved, thereby realizing fixed-point water body restoration of water inlet and outlet separation;
(4) Can drain liquid more effectively and effectively improve the oxygen solubility in water;
(5) The energy-saving effect is improved.
Drawings
Fig. 1 is a schematic partial structure of a first embodiment of a tank-type solar floating island according to the present invention.
Fig. 2 is a schematic diagram showing the arrangement of a support frame and a floating body of a first embodiment of a tank-type solar floating island according to the present invention.
Fig. 3 is a schematic diagram of the arrangement of a three-dimensional tank cover plate and an upper control cabinet in the first embodiment of the tank type solar floating island.
Fig. 4 is a schematic diagram of a cross-sectional structure of an aeration unit of the tank-type solar floating island of the present invention.
Fig. 5 is a schematic sectional view of a partial structure of a second embodiment of the tank-type solar floating island of the present invention.
Fig. 6 is a schematic perspective view of a second embodiment of the tank-type solar floating island of the present invention.
In the figure, 1. A water outlet tank; 2. a through hole; 3. a water inlet tank; 4. a sidewall; 5. a water outlet pipeline; 6. an aeration unit; 7. a water inlet pipeline; 8. a support frame; 8a, positioning bolts 9, floating bodies; 9a: a water culture plate; 10. a fixing bolt; 11. a cover plate; 11a: a solar panel; 12 control cabinet; 13. a water inlet; 14. an aerator; 15. an aeration section; 16: a reduced diameter portion; 17. a liquid discharge part; 17a: a drain insert; 18. a transverse tube; 19. an exhaust port; 20. a water collecting pipe; 21. and a water outlet. 22. A water inlet pipe: 23. and (3) a water outlet pipe: 24. an elbow; 25. a partition plate.
Detailed Description
Hereinafter, the tank type solar floating island of the present invention will be described with reference to fig. 1 to 6 so that the aspects of the present invention and advantages thereof can be better understood. In the following examples, the following detailed description is provided to facilitate a more thorough understanding of the present disclosure, and is not intended to limit the invention. Wherein the words above, below, left, right, and the like, designate directions or positions in the drawings only for the structures shown.
Example 1
First embodiment
As shown in fig. 1 to 4, the tank-type solar floating island comprises a water outlet tank 1, a water inlet tank 3 which is positioned in the water outlet tank 1 and is connected with the inner wall surface of the water outlet tank 1, a plurality of aeration units 6 which are uniformly distributed along the inner wall surface of the water inlet tank 3, a water inlet pipeline 7 which is communicated with the water inlet of the aeration units 6, a water outlet pipeline 5 which is communicated with the water outlet of the aeration units 6, a floating body 9 which is placed above the aeration units 6, a supporting frame 8 which is connected with the aeration units 6 and is used for supporting the water inlet tank 3, and a cover plate 11 and/or a solar panel 11a which are arranged above the supporting frame 8.
In the present embodiment, the water outlet tank 1 is a large tank, the water inlet tank 3 is provided on the wall surface of the water outlet tank 1 by bolting, and the water amount of the water inlet tank 3 is four in the present embodiment, but the number of the water inlet tanks 3 is not limited thereto, and may be increased or decreased according to the structural requirement or the change of the volume of the water outlet tank. In the present embodiment, the cross-sectional shapes of the water inlet tank 3 and the water outlet tank 1 are square, but the cross-sectional shapes of the water inlet tank 3 and the water outlet tank 1 may be circular, polygonal, or other shapes. The side wall 4 of the water inlet tank 3, that is, the wall surface other than the wall surface fixed to the inner wall surface of the water outlet tank 1 is provided with a plurality of through holes 2, the horizontal pipe 18 of the aeration unit 6 passes through the through holes 2 and is vertically fixed to the side wall 4 of the water inlet tank 3, the plurality of aeration units 6 are uniformly distributed along the side wall of the water inlet tank 3, and for clarity of explanation of the internal structure of the tank-type solar floating island of the present invention, fig. 1 to 3 are partial schematic views in which some members are omitted, for example, the aeration units 6 are installed only in part of the through holes 2 in fig. 1 and 2. The water inlet pipe 22 and the water outlet pipe 23 of the aeration unit 6 are separated by the side wall 4 of the water inlet tank 3, i.e. the water inlet pipe 22 and the water outlet pipe 23 are arranged in the water inlet tank 3 and the water outlet tank 1, respectively. In addition, the length L1 of the water inlet pipe 22, that is, the vertical distance L1 from the end surface of the water inlet 13 to the top end of the drain 17 is smaller than the vertical distance S1 from the central axis of the horizontal pipe 18 to the floor surface of the water inlet tank, and the length of the water outlet pipe 23, that is, the vertical distance L2 from the end surface of the air outlet 19 to the end surface of the water outlet 21 is smaller than the vertical distance S2 from the central axis of the horizontal pipe 18 to the floor surface of the water outlet tank 1. The structure of the aeration unit 6 arranged in the above manner can completely separate the water body which is subjected to aeration treatment from the water body which is not subjected to aeration treatment, and prevent short-circuit flow, i.e. the water body which is subjected to aeration treatment from being mixed into the water body which is not subjected to aeration treatment, thereby improving the aeration efficiency.
Further, the water inlet tank 3 and the water outlet tank 1 are both square tanks with upper openings, but the tank may be circular, square or other shapes. The side wall or the floor of the water inlet tank 3 is provided with an opening, the opening is connected with the water inlet pipeline 7 through a flange or a plug, the bottom plate or the side wall of the water outlet tank 1 is provided with an opening, and the opening is connected with the water outlet pipeline 5 through a flange or a plug. In the present invention, the water outlet line 5 and the water inlet line 7 are collectively referred to as an extension line. In addition, the open position of the water inlet tank 3 is lower than the waterline position of the tank type solar floating island, and the open position of the water outlet tank 1 is also lower than the waterline position of the tank type solar floating island. The first ports of the water outlet pipeline 5 and the water inlet pipeline 7 are respectively communicated with the water outlet 21 and the water inlet 13 of the aeration unit 6, and the second ports of the water outlet pipeline 5 and the water inlet pipeline 7 are arranged at the water body position needing aeration treatment. In addition, the fixed-point repair of the water body separated by the water inlet and outlet can be realized by changing the positions of the second ports of the water outlet pipeline 5 and the water inlet pipeline 7.
Further, as shown in fig. 2, support frames 8 are provided at four corners of the upper portion of the outlet tank 1, and the support frames 8 are fixed to the side walls of the outlet tank 1 along the inner sides of the edges of the upper opening of the outlet tank 1 by fixing bolts 10. The side walls of the outlet tank 1 are connected to the support frame 8 with, for example, clips or positioning bolts. The floating body 9 is fixed to the fixing hole of the support frame 8 by, for example, a positioning bolt 8a, and the center axis of the floating body 9 coincides with the center axis of the support frame 8, that is, the edge of the cylindrical floating body is fixed tangentially to the corner of the support frame 8, and in this embodiment, the floating body 9 is used to provide the aeration unit 6 with the water surface buoyancy; the floating body 9 is cylindrical, but may be other shapes; the float 9 is made of a solid or hollow lightweight material. The structure of the floating body 9 and the supporting frame 8 formed in the above-described fixing manner enhances the ability of the water outlet tank 1 to withstand external stormy waves, thereby improving the structural strength of the entire apparatus. As shown in fig. 3, the support frame 8 is provided with a cover plate 11 and/or a solar panel 11a, and a control cabinet 12 is mounted on the solar panel 11a, and the control cabinet 12 includes a fan, a battery, a power switch, a control member, and the like. The electric power of the solar cell panel 11a is supplied to the aeration unit 6 through the control cabinet 12.
It should be noted that the water outlet tank 1 and the water inlet tank 3 may be tank tanks having lower openings, in which case the aeration unit 6 is mounted to the wall surface of the water inlet tank 3 in an inverted manner, specifically, the through hole on the wall surface of the water inlet tank 3 of the present invention is located in the upper portion of the wall surface, in which case the through hole is located in the lower portion of the water inlet tank 3.
As shown in fig. 4, the aeration unit 6 is a cylindrical aeration unit, and the cylindrical aeration unit 6 includes: a water inlet 13 located at one side of the lower portion of the aeration unit; an aerator 14 which is positioned above the water inlet 13, and the aerator 14 is connected with the upper control cabinet 12 through a gas distributor; an aeration unit 15 which is located above the water inlet 13 and to which an aerator 14 is connected; a constricted portion 16 located above the aeration portion 15, and the cross-sectional area of the constricted portion 16 gradually becomes smaller from bottom to top; a liquid discharge portion 17 which is located above the narrowed neck portion 16, and the liquid discharge portion 17 is provided with a liquid discharge insert 17a, the inside of the liquid discharge insert 17a having a plurality of independent spaces which are partitioned, for example, by a plurality of lines passing through the center of the cross section or by two sets of parallel lines intersecting each other as viewed in the cross section of the liquid discharge insert 17a, in particular, the liquid discharge insert 17a can enhance the mutual pressing between bubbles and reduce the interval between bubbles to facilitate liquid discharge; this configuration with the drain insert 17a causes the bubbles to rise in a fixed path, increases the rate of bubble rise, and is beneficial to effectively increasing the oxygen solubility in water; the part of the pipeline from the water inlet 13 to the upper end face of the liquid discharge part 17 forms a water inlet pipe 22 of the aeration unit 6; a horizontal pipe 18 connected to a water outlet pipe 23 of the aeration unit 6, the water outlet pipe 23 including an air outlet 19, and the horizontal pipe 18 for conveying air bubbles and the water therewith to a water collecting pipe 20; an exhaust port 19 located at an upper end surface of the water outlet pipe 23 of the aeration unit 6, and the exhaust port 19 is for exhausting gas; a water collecting pipe 20 positioned below the air outlet 18, wherein bubbles are collected in the water collecting pipe 20 and gas-liquid separation is formed under the action of gravity together with liquid moving along with the bubbles; and a water outlet 21 for discharging the liquid separated from the water collecting pipe 20. The cylindrical aeration unit with the structure is utilized to aerate and aerate the water body, and then the green plants on the water culture plate 9a absorb nutrient substances to the aerate water body so as to realize the fixed-point restoration of the water body separated by the water inlet and outlet. .
Second embodiment
As shown in fig. 4, 5 and 6, the tank-type solar floating island according to the second embodiment includes a water inlet pipe 7 located at the center, a plurality of aeration units 6 uniformly arranged along the circumference of the water inlet pipe 7, a water culture plate 9a placed above the aeration units 6, a floating body 9 provided above the water culture plate 9a, a cover plate 11 located above the floating body 9, a control cabinet 12 located on the upper surface of the cover plate 11, a solar cell panel 11a placed above the cover plate 11, and a water outlet pipe 5 provided perpendicular to the water inlet pipe 7.
Further, the aeration unit 6 is fixed with the water inlet pipe 7 through the fixing clip 25. In addition, the hydroponic panel 9a may be circular, square or other shape, in this embodiment circular. Therefore, the energy saving effect is improved. In addition, a partition plate 25 is provided in the water intake pipe 7, and the partition plate 25 divides the water intake pipe 7 into an upper side portion and a lower side portion. The upper side of the water inlet pipe 6 is communicated with the water outlet pipeline 5. The structure is simple, the manufacture is easy, and the cost is low.
In addition, water in the water body enters each aeration unit 6 through the water inlet pipeline 7, after aeration and oxygenation are carried out through the aeration units 6, nutrient substances in the oxygenated water body are absorbed through green plants, so that the water quality can be improved, and the water inlet and outlet are separated, so that fixed-point water body restoration of water inlet and outlet separation is realized.
In addition, the partition plate 25 may serve as a partition member of the water inlet tank and the water outlet tank (not shown in the drawings), specifically, the water inlet pipe 7 is connected to the water inlet tank with the opening downward through the elbow 24, the lateral pipe 18 of the aeration unit 6 passes through the through-hole 2 on the side wall 4 of the water outlet tank with the opening upward, and is communicated with the water outlet pipe 5 of the aeration unit 6, the water outlet pipe 7 is provided in the water outlet tank, in the embodiment, the water inlet tank is opened downward and the water outlet tank is opened upward, but the installation direction of the aeration unit may be reversed, in which case the water inlet tank is opened upward and the water outlet tank is opened downward.
Example 2
The invention provides an ecological water body restoration system, which comprises a tank-type solar floating island of the embodiment 1. It should be noted that the tank-type solar floating island can be used alone or in combination. Because the water inlet pipeline 7 and the water outlet pipeline 5 are separated, through changing the positions of the second ports of the water outlet pipeline 5 and the water inlet pipeline 7, the water is sucked to the water inlet tank through the water outlet pipeline 5 and the water inlet pipeline 7 of the tank, namely the extension pipeline, and then enters the water outlet tank after being treated by the aeration unit, and then is conveyed to other positions of the water body of the water area through the extension pipeline of the water outlet tank, so that fixed-point restoration of the water body separated in and out can be realized.
In addition, the tank type solar floating island can be applied to lakes, aquaculture farms, sewage treatment plants and the like, and floating islands for repairing water photovoltaic power stations and other water bodies.
The above description is merely an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions easily come within the technical scope of the present invention by those skilled in the art should be included in the scope of the present invention.
Claims (4)
1. The tank-type solar floating island is characterized by comprising a water outlet tank, a water inlet tank, a plurality of aeration units, a water outlet pipeline, a water inlet pipeline, a floating body, a supporting frame and a cover plate and/or a solar panel, wherein the water outlet tank is positioned in the water outlet tank and is connected with the inner wall surface of the water outlet tank; the water inlet pipe and the water outlet pipe are separated through the side wall of the water inlet tank and are respectively arranged on the water inlet tank and the water outlet tank, a plurality of through holes are formed in the side wall of the water inlet tank, and the transverse pipe of the aeration unit penetrates through the through holes and is vertically fixed on the side wall;
the length of the water inlet pipe is smaller than the vertical distance from the central axis of the transverse pipe to the surface of the bottom plate of the water inlet tank; the length of the water outlet pipe is smaller than the vertical distance from the central axis of the transverse pipe to the surface of the bottom plate of the water outlet tank; in the aeration unit, the inside of the liquid discharge insert has a plurality of independent spaces, which are partitioned by a plurality of lines passing through the center of the cross section or by two sets of parallel lines intersecting each other.
2. The tank type solar floating island according to claim 1, wherein a first port of the water inlet pipeline is communicated with a water inlet of the aeration unit, a first port of the water outlet pipeline is communicated with a water outlet of the aeration unit, and a second port of the water inlet pipeline and the water outlet pipeline are arranged at a water body position requiring aeration treatment in water.
3. The tank solar floating island according to claim 1, wherein the side walls or the bottoms of the water inlet tank and the water outlet tank are provided with openings, and the positions of the openings of the water inlet tank and the water outlet tank are lower than the waterline position of the tank solar floating island.
4. An ecological water body remediation system comprising the tank-type solar floating island of any one of claims 1 to 3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710569566.XA CN107151057B (en) | 2017-07-13 | 2017-07-13 | Tank-type solar floating island and ecological water body restoration system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710569566.XA CN107151057B (en) | 2017-07-13 | 2017-07-13 | Tank-type solar floating island and ecological water body restoration system |
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| CN107151057A CN107151057A (en) | 2017-09-12 |
| CN107151057B true CN107151057B (en) | 2023-05-26 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3186958B2 (en) * | 1995-10-23 | 2001-07-11 | ゼニヤ海洋サービス株式会社 | Aeration device |
| JP2007111573A (en) * | 2004-06-08 | 2007-05-10 | Tetsuhiko Fujisato | Aeration method, its apparatus and its system |
| WO2008123467A1 (en) * | 2007-03-30 | 2008-10-16 | Ikeda, Yoshiaki | Aerating unit, aerating apparatus equipped therewith and method of aerating |
| CN104126526A (en) * | 2013-05-02 | 2014-11-05 | 台美生物资源股份有限公司 | Liquid circulation reflux device |
| CN104150620B (en) * | 2014-08-20 | 2015-11-18 | 天津大学 | A kind of intelligence of the water body for urban landscape rivers accelerates aerating apparatus |
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