CN212712937U - Novel ecological floating island for treating polluted water body - Google Patents
Novel ecological floating island for treating polluted water body Download PDFInfo
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- CN212712937U CN212712937U CN202020489837.8U CN202020489837U CN212712937U CN 212712937 U CN212712937 U CN 212712937U CN 202020489837 U CN202020489837 U CN 202020489837U CN 212712937 U CN212712937 U CN 212712937U
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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)
Abstract
The utility model discloses a novel ecological chinampa for administering polluted water, including one or more chinampa body, set up porous container, the aeration pipe of setting in the porous container bottom in chinampa body below, the porous container intussuseption is filled with the polyurethane filler that adheres to activated sludge, and the top of porous container is passed through the plastics ribbon and is realized being connected with the chinampa body. The utility model has the advantages of reasonable design, easily realize, soft porous filler easily hangs the membrane in sewage treatment plant activated sludge, and sewage treatment plant activated sludge has extremely strong pollutant removal ability, consequently, through setting up the polyurethane filler that has activated sludge attached to, can get rid of the pollutant in the polluted water body fast high-efficiently, and the preparation is convenient, the cost is lower, but recycle.
Description
Technical Field
The utility model belongs to the technical field of water treatment, concretely relates to novel ecological chinampa for administering polluted water.
Background
The river water network provides an extremely thick foundation and condition for prosperity and development of the economic society and promotes the social civilization development. The comprehensive implementation of the river water environment treatment is to realize the historical crossing from the well-off to the modernization, promote the urban and rural integration, provide good ecological environment for the masses of people and meet the requirements of the masses of people on continuously improving the quality of life.
In recent years, with the aggravation of water environment pollution, ecological floating islands are commonly used for treating polluted water bodies in riverway water environments. The ecological floating island is an artificial floating island which mainly aims at eutrophication water and degrades pollutants such as COD, nitrogen, phosphorus and the like in water by utilizing the principle of ecological engineering.
Currently, the following types of ecological floating islands mainly exist on the market: single plant type floating islands, mixed plant type floating islands, filler type floating islands, ecosystem interaction-enhancing floating islands, aerated ecological floating islands, and the like, which generally have the following problems:
1) the single plant type floating island only depends on plants above the floating island to treat the polluted water body, so the treatment efficiency of the floating island is low and the period is long.
2) Although the mixed plant type floating island considers the 'synergistic effect' among plants, the mixed plant type floating island still has the defects of low pollutant treatment efficiency, long period, incapability of recycling and the like depending on plants;
3) the filler type floating island enhances the action of microorganisms by adding fillers such as ceramsite, activated carbon, volcanic rock, quartz sand and the like, but the fillers have slow speed and low efficiency of natural film formation in natural water, and the method for embedding or fixing the microorganisms has high cost and complex operation.
Therefore, the development of a novel ecological floating island is imminent to overcome the shortcomings and problems of the existing floating island.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a novel ecological chinampa for administering polluted water body.
The utility model discloses a following technical scheme realizes:
the novel ecological floating island for treating the polluted water body is characterized by comprising one or more floating island bodies, a porous container arranged below the floating island bodies and an aeration pipe arranged at the bottom of the porous container, wherein polyurethane filler for film hanging is filled in the porous container, and the top of the porous container is connected with the floating island bodies through plastic ribbons.
The novel ecological floating island for treating the polluted water body is characterized in that a planting groove for planting aquatic plants is formed in the floating island body.
The novel ecological floating island for treating the polluted water body is characterized in that a plurality of floating island bodies are connected through cross connecting pieces.
The novel ecological floating island for treating the polluted water body is characterized in that the length and the width of each floating island body are 20-100 cm.
The novel ecological floating island for treating the polluted water body is characterized in that the porous container can be a stainless steel porous container or an acrylic porous container or a shrimp cage.
The novel ecological floating island for treating the polluted water body is characterized in that the aeration pipe is connected with an aeration pump through a connecting hose. When the dissolved oxygen of the polluted water is more than 2mg/L or the polluted water has an aeration system (such as mechanical aeration, fountain aeration and the like) without an aeration pipe, a connecting hose and an aeration pump.
The novel ecological floating island for treating the polluted water body is characterized in that the polyurethane filler is a film-forming filler attached with activated sludge, the length, width and height of the film-forming filler are 10-50mm, and the density is 1.0g/m3The porosity of the filler is 90-99 percent, the pore diameter of the filler is 15-30PPI, and the specific surface area is 10 multiplied by 103-10×104m2/m3The amount of the added filler is 20-70% of the volume of the container.
The novel ecological floating island for treating the polluted water body is characterized in that the polyurethane filler (4) can be repeatedly coated with a film and utilized.
The utility model has the advantages of reasonable design, easily realize, soft porous filler easily hangs the membrane in sewage treatment plant activated sludge, and sewage treatment plant activated sludge has extremely strong pollutant removal ability. Therefore, the polyurethane filler attached with the activated sludge can quickly and efficiently remove pollutants in polluted water, and is convenient to manufacture, low in cost and recyclable.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the ecological floating island transformed by the shrimp cage of the present invention;
in the figure, 1-floating island body, 2-porous container, 3-aeration pipe, 4-polyurethane filler, 5-aquatic plant, 6-connecting hose and 7-aeration pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, and specific embodiments will be given.
The utility model relates to a novel ecological chinampa for administering polluted water, this novel ecological chinampa are through setting up the polyurethane filler that has attached to activated sludge, solve among the prior art ecological chinampa treatment effeciency low, the cycle length, be difficult to reuse scheduling problem, realize promoting by a wide margin of the treatment effeciency to polluted water.
The specific structure of the floating island is shown in figure 1, and the floating island comprises one or more floating island bodies with planting grooves, a porous container arranged below the floating island bodies, and an aeration pipe arranged at the bottom of the porous container, wherein the aeration pipe is connected with an aeration pump through a connecting hose, polyurethane filler is filled in the porous container, the top of the porous container is connected with the floating island bodies through plastic ribbons, and the planting grooves are used for planting aquatic plants, such as canna, iris, fluffy flower, Iris and other wetland plants; the porous container of the utility model can be transformed by a shrimp cage, and the concrete structure is shown in figure 2. The length and width of each floating island body are 20-100cm, the floating island bodies are connected through a cross connecting piece, the connection relationship between the cross connecting frame and the floating islands is the prior art, and the specific structure is not described in detail. The length and width of the porous container are 20-100cm, and the height is 20-60 cm. The polyurethane filler is a film-forming filler attached with activated sludge, the length, width and height of the film-forming filler are 10-50mm, and the density is 1.0g/m3The porosity of the filler is 90-99 percent, the pore diameter of the filler is 15-30PPI, and the specific surface area is 10 multiplied by 103-10×104m2/m3The amount of the added filler is 20-70% of the volume of the container.
The utility model discloses a metabolic activity of microorganism and aquatic plant's growth and reproduction strengthen getting rid of pollutants such as COD, nitrogen and phosphorus jointly in the activated sludge, realize the quick improvement to the polluted water body. The polyurethane filler is a soft porous filler, is easy to realize quick film formation in an activated sludge system of a sewage treatment plant, and has more biomass for film formation. The polyurethane filler can be repeatedly filmed and utilized, and the practicability is strong. The containers for placing the fillers have the characteristic of being porous, the biofilm culturing fillers can be fully contacted with river water, the treatment effect is enhanced, and meanwhile, the porous containers adopting the shrimp cages are easy to obtain and low in price.
Example 1
1) Taking 10L of river water of a polluted river course, wherein the main pollutants are as follows: NH (NH)4 +-N concentration 7mg/L, PO4 3-The concentration of-P is 0.3mg/L, CODCrThe concentration is 60 mg/L;
2) placing a novel ecological floating island which is filmed in an aerobic tank of a sewage treatment plant for 4 days in the taken polluted river water, wherein the placed aquatic plant is calamus flavus, and aerating by an aeration pump to ensure that the dissolved oxygen in the water is more than 2 mg/L;
3) 500mL of water is discharged from 10L of river water every day, then 500mL of river water with the same water quality is added, and the water quality index of the river water is measured after the novel ecological floating island is operated for 15 days in such a way that: NH (NH)4 +-N concentration 1.2mg/L, PO4 3-The concentration of-P is 0.2mg/L, CODCrThe concentration was 32 mg/L. The polluted river water is changed from the inferior V-class water to the surface V-class water quickly.
Example 2
1) Taking 10L of river water of a polluted river course, wherein the main pollutants are as follows: NH (NH)4 +-N concentration 9mg/L, PO4 3-The concentration of-P is 0.4mg/L, CODCrThe concentration is 70 mg/L;
2) placing a novel ecological floating island which is coated for 7 days in an aerobic tank of a sewage treatment plant in the taken polluted river water, wherein the placed aquatic plant is calamus flavus, and aerating by an aeration pump to ensure that the dissolved oxygen in the water is more than 2 mg/L;
3) 500mL of water is discharged from 10L of river water every day, then 500mL of river water with the same water quality is added, and the water quality index of the river water is measured after the novel ecological floating island is operated for 15 days in such a way that: NH (NH)4 +-N concentration 1.4mg/L, PO4 3-The concentration of-P is 0.23mg/L, CODCrThe concentration was 28 mg/L. The polluted river water is changed from the inferior V-class water to the surface IV-class water quickly.
Claims (8)
1. The utility model provides a novel ecological chinampa for administering polluted water body, its characterized in that includes one or more chinampa body (1), sets up porous container (2) in chinampa body (1) below, sets up aeration pipe (3) in porous container (2) bottom, porous container (2) intussuseption is filled with polyurethane filler (4), the top of porous container (2) is passed through the plastics ribbon and is realized being connected with chinampa body (1).
2. A novel ecological floating island for treating polluted water according to claim 1, wherein a planting groove for planting aquatic plants (5) is arranged on the floating island body (1).
3. A novel ecological floating island for treating polluted water according to claim 1, wherein a plurality of floating island bodies (1) are connected through cross connectors.
4. A novel ecological floating island for treating polluted water according to claim 1, wherein the length and width of each floating island body (1) are 20-100 cm.
5. A novel ecological floating island for treating polluted water according to claim 1, wherein the porous container (2) is a porous container made of stainless steel or acrylic material or a shrimp cage.
6. The novel ecological floating island for treating polluted water according to claim 1, wherein the aeration pipe (3) is connected with an aeration pump (7) through a connecting hose (6).
7. The novel ecological floating island for treating polluted water according to claim 1, wherein the polyurethane filler (4) is a filler attached with activated sludge of a sewage treatment plant, the length, width and height of the filler are 10-50mm, and the density of the filler is 1.0g/m3The porosity of the filler is 90-99 percent, the pore diameter of the filler is 15-30PPI, and the specific surface area is 10 multiplied by 103-10×104m2/m3The amount of the added filler is 20-70% of the volume of the container.
8. A novel ecological floating island for remediating contaminated water as set forth in claim 1, characterized in that said polyurethane filler (4) is capable of being repeatedly filmed and utilized.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020489837.8U CN212712937U (en) | 2020-04-07 | 2020-04-07 | Novel ecological floating island for treating polluted water body |
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| CN202020489837.8U CN212712937U (en) | 2020-04-07 | 2020-04-07 | Novel ecological floating island for treating polluted water body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114644401A (en) * | 2021-03-26 | 2022-06-21 | 景赫新材料科技(浙江)有限公司 | Biological floating island for purifying natural water body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114644401A (en) * | 2021-03-26 | 2022-06-21 | 景赫新材料科技(浙江)有限公司 | Biological floating island for purifying natural water body |
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Effective date of registration: 20210716 Address after: Room 1205, block a, 18 Wantang Road, Xihu District, Hangzhou City, Zhejiang Province 310063 Patentee after: ZHEJIANG TAOHUAYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 310014 Zhejiang University of Technology, 18, Chao Wang Road, Xiacheng District, Hangzhou, Zhejiang Patentee before: ZHEJIANG University OF TECHNOLOGY |