CN113461164A

CN113461164A - Algae-inhibiting type biological floating bed coupling activated carbon and aeration

Info

Publication number: CN113461164A
Application number: CN202110780477.6A
Authority: CN
Inventors: 李聪; 杨玉龙; 张仪萍; 张可佳
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-10-01

Abstract

The invention discloses an algae inhibiting type biological floating bed coupling activated carbon and aeration, which has the technical scheme that: the device comprises a floating bed module and an aeration pipe, wherein a gas pipe is connected between a control box and the aeration pipe, the lower end of the floating bed module is connected with a combined filler through a rope, submerged plants are planted at the upper end of the floating bed module, the left side and the right side of the aeration pipe are respectively connected with a side gas supply pipe, the side gas supply pipes are vertically arranged, the upper ends of the side gas supply pipes are connected with a small floating ball through pull ropes, the outer sides of the side gas supply pipes are connected with a plurality of branch gas pipes, a nutrient soil layer is arranged in the plant planting bed, an isolation layer is arranged at the upper end of the nutrient soil layer, the roots of the submerged plants are arranged in the nutrient soil layer, and the lower end of the nutrient soil layer is provided with an activated carbon adsorption layer; the invention solves the problems that the existing biological floating bed has poor aeration effect and is difficult to effectively clean organic matters such as nitrogen, phosphorus and the like.

Description

Algae-inhibiting type biological floating bed coupling activated carbon and aeration

Technical Field

The invention relates to the technical field of biological floating beds, in particular to an algae inhibiting type biological floating bed coupling activated carbon and aeration.

Background

With the rapid development of economy and the vigorous promotion of urbanization process in China, the problem of water eutrophication pollution is becoming more serious. After a large amount of wastewater rich in organic matters is discharged into a water body, the number of microorganisms in the water body is increased rapidly, dissolved oxygen in the water body is reduced rapidly under the action of aerobic bacteria, the anaerobic environment of the water body is caused, and finally the water body is black and smelly, so that the ecological floating bed is a method which is more effective for solving the problem at present; the ecological floating bed takes aquatic plants as a main body, utilizes soilless culture technology, takes various biological fillers as carriers and substrates to form an artificial ecological system, removes various pollutants in water through the action of plants, animals and microorganisms in the ecological system, is very suitable for treating the water with very large pollution area, and can keep the water quality of the water stable for a long time through in-situ remediation.

In order to realize oxygen enrichment of water, the Chinese utility model patent with publication number CN209778451U discloses a combined solar aeration biological floating bed, which comprises a floating plate floating on the water surface, a net-shaped frame arranged below the floating plate, and emergent aquatic plants planted in a central planting hole of the floating plate. The floating bed is characterized by further comprising support rods at two ends of the floating plate, and a triangular support is arranged below the floating plate and inserted into the bottom mud to play a role in fixing. A solar power generation system is arranged on the bank side, connected with an air pump and used for supplying air to the underwater aeration device through an air distribution pipe. The air distribution pipe is laid in the emergent aquatic plants by taking an air outlet of the air pump as a starting end, extends downwards into the water bottom through a circular hole in the center of the floating plate, is connected with the aeration device and aerates in water.

Above-mentioned this kind of biological bed that floats has efficient water purification effect, through aeration oxygenation purification water under water, prevents simultaneously that plant roots oxygen deficiency from rotting, guarantees emergent aquatic plant roots and to the absorption of nutritive salt, effectively solves the black smelly problem of water, utilizes solar power system, has solved the difficult problem of river course limit power consumption, and this bed that floats simultaneously can become river course ecological landscape, plays the effect of beautifying the river course, but this kind of biological bed that floats still has some problems, for example: 1. the aeration pipe is arranged at the bottommost part of the river channel, and the air outlets are arranged at the bottommost part of the river channel, so that the aeration effect of a water area close to the upper end of the aeration pipe is good in the aeration process, water flows in the water areas on two sides of the aeration pipe can obtain the aeration opportunity only by the flowing of the water body, and the aeration effect is poor; 2. most industrial sewage, especially the waste water produced by sewage treatment plants in industrial gathering areas, often contains trace organic matters such as nitrogen, nitrogen and phosphorus, and the common biological floating bed is difficult to effectively adsorb and clean the organic matters.

Disclosure of Invention

Aiming at the problems mentioned in the background art, the invention aims to provide an algae inhibiting type biological floating bed coupling activated carbon and aeration so as to solve the problems that the existing biological floating bed has poor aeration effect and is difficult to effectively clean organic matters such as nitrogen, phosphorus and the like mentioned in the background art.

The technical purpose of the invention is realized by the following technical scheme:

an algae-inhibiting type biological floating bed coupling activated carbon and aeration comprises a floating bed module and an aeration pipe, wherein the upper end of the aeration pipe is connected with a control box through a plurality of connecting rods, a gas pipe is connected between the control box and the aeration pipe, the lower end of the floating bed module is connected with a combined filler through a rope, submerged plants are planted at the upper end of the floating bed module, the left end of the aeration pipe, the both sides of the right side are connected with the side air feed pipe respectively, the vertical setting of side air feed pipe, the upper end of side air feed pipe is connected with small-size floater through the stay cord, small-size floater floats on the surface of water, the outside of side air feed pipe is connected with a plurality of branch trachea, it loads the bed by a plurality of plant species bed and a plurality of microorganism and splices each other and forms to float the bed module, the inside of plant species bed is provided with nutrient soil layer, nutrient soil layer's upper end is provided with the isolation layer, submerged plant's root sets up in nutrient soil layer's inside, nutrient soil layer's lower extreme is provided with the active carbon adsorption layer.

Further, the inside of the microorganism loading bed is provided with microorganism packing.

By adopting the technical scheme, the microbial filler is formed by filling the biological ceramsite, and microorganisms can live in the biological ceramsite, so that the purification effect is improved.

Further, the upper end of the plant planting bed is fixedly provided with a grid plate, a plurality of planting holes are formed in the plant planting bed, and submerged plants are arranged inside the planting holes.

Through adopting above-mentioned technical scheme, set up the latticed board and can prevent to plant the inside nutrient soil loss of board, be convenient for fix submerged plant simultaneously.

Further, the submerged plant is one or more of tape grass, hornwort, watermifoil or hydrilla verticillata.

By adopting the technical scheme, all parts of the plants can absorb moisture and nutrients, and the aeration tissues are particularly developed, so that the gas exchange is favorably carried out under the condition of lack of air in water.

Further, the upper end of control box is provided with the bracing piece, and the upper end of bracing piece is provided with polylith solar cell panel, is provided with the battery on the control box, solar cell panel and battery electric connection.

Through adopting above-mentioned technical scheme, solar cell panel can provide electric power for the battery, makes the control box can normally work.

Furthermore, the floating bed module is connected with a large floating ball through a pull rope, and the large floating ball floats on the water surface.

Through adopting above-mentioned technical scheme for the bed that floats can float in the surface of water.

In summary, the invention mainly has the following beneficial effects:

1. in the invention, the side air supply pipes are arranged at two sides of the aeration pipe, and the plurality of branch air pipes are arranged on the side air supply pipes, so that part of air can enter the side air supply pipes and be sprayed out from the plurality of branch air pipes in the aeration process, and the water areas at two sides of the aeration pipe can obtain good aeration effect.

2. According to the invention, the activated carbon adsorption layer is arranged in the floating bed module, the activated carbon powder and the activated carbon particles arranged in the activated carbon adsorption layer have strong adsorption performance, organic matters which are difficult to be biochemically degraded in wastewater can be removed through adsorption and regeneration of the activated carbon, and meanwhile, the effect of purifying water quality is achieved through removing trace organic matters such as nitrogen, phosphorus and the like.

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 specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

fig. 3 is a schematic structural view of the inside of the plant growing bed.

In the figure: 1. a floating bed module; 101. a plant planting bed; 1011. planting holes; 102. a microorganism loading bed; 2. an aeration pipe; 3. a connecting rod; 4. a control box; 5. a gas delivery pipe; 6. combining fillers; 7. submerged plants; 8. a side air supply pipe; 9. a small floating ball; 10. a branch air pipe; 11. a nutrient soil layer; 12. an isolation layer; 13. an activated carbon adsorption layer; 14. a grid plate; 15. a support bar; 16. a solar panel; 17. A storage battery; 18. a large-sized floating ball.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-3, an algae-inhibiting type biological floating bed coupling activated carbon and aeration comprises a floating bed module 1 and an aeration pipe 2, wherein the floating bed module 1 is connected with a large floating ball 18 through a pull rope, the large floating ball 18 floats on the water surface, the upper end of the aeration pipe 2 is connected with a control box 4 through a plurality of connecting rods 3, components such as an air pump and the like are arranged in the control box 4, the air pump is connected with an air delivery pipe 5, an operator can remotely control the air pump in the control box 4 to work, the air delivery pipe 5 is connected between the control box 4 and the aeration pipe 2, the lower end of the floating bed module 1 is connected with a combined filler 6 through a rope, submerged plants 7 are planted at the upper end of the floating bed module 1, the submerged plants 7 are one or more of eel grass, goldfish algae, watery algae or black algae, the left side and the right side of the aeration pipe 2 are respectively connected with a side air delivery pipe 8, the side air delivery pipes 8 are vertically arranged, the upper end of the side air supply pipe 8 is connected with a small floating ball 9 through a pull rope, the small floating ball 9 floats on the water surface, the outer side of the side air supply pipe 8 is connected with a plurality of branch air pipes 10, the orientation of the branch air pipes 10 is different so as to ensure the effectiveness of aeration, the floating bed module 1 is formed by splicing a plurality of plant planting beds 101 and a plurality of microorganism loading beds 102, a nutrient soil layer 11 is arranged in the plant planting bed 101, an isolation layer 12 is arranged at the upper end of the nutrient soil layer 11, the root of a submerged plant 7 is arranged in the nutrient soil layer 11, an active carbon adsorption layer 13 is arranged at the lower end of the nutrient soil layer 11, the active carbon contains a large number of micropores, has huge specific surface area, can effectively remove chroma and odor, can remove most organic pollutants and certain inorganic matters in sewage, contains certain heavy metals, and can also effectively adsorb chlorohydrocarbon, organic phosphorus and carbamate pesticides, the plant cultivation bed can also adsorb phenylate, n-nitrochlorobenzene, naphthalene, ethylene, xylenol, phenol, DDT, aldrin, alkylbenzene sulfonic acid and a plurality of esters and aromatic compounds, a grid plate 14 is fixedly arranged at the upper end of the plant cultivation bed 101, a plurality of planting holes 1011 are formed in the plant cultivation bed 101, meshes on the grid plate 14 coincide with the planting holes 1011, and the submerged plant 7 is arranged inside the planting holes 1011.

Referring to fig. 1 and 3, the inside of the microorganism loading bed 102 is provided with microorganism packing, and the microorganism packing is filled with biological ceramsite in which microorganisms can live.

Referring to fig. 1, the height of the control box 4 from the water surface is not less than one meter, a support rod 15 is arranged at the upper end of the control box 4, a plurality of solar cell panels 16 are arranged at the upper end of the support rod 15, a storage battery 17 is arranged on the control box 4, and the solar cell panels 16 are electrically connected with the storage battery 17.

When the solar aeration device is used, the solar cell panel 16 absorbs solar energy to supply power to the storage battery 17, the storage battery 17 can provide necessary electric power for the work of the control box 4, the air pump arranged in the control box 4 can convey air into the aeration pipe 2 through the air conveying pipe 5, the air is sprayed out through the air holes in the aeration pipe 2, and in the aeration process, part of the air can be sprayed out from the air conveying pipe 8 at the inlet side and the branch air pipes 10, so that the water areas at the two sides of the aeration pipe 2 can also obtain good aeration effect; the activated carbon powder and the activated carbon particles arranged in the activated carbon adsorption layer 13 have strong adsorption performance, organic matters which are difficult to be biochemically degraded in the wastewater can be removed through adsorption and regeneration of the activated carbon, and meanwhile, the effect of purifying the water quality is achieved by removing trace organic matters such as nitrogen, phosphorus and the like.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a coupling active carbon and biological bed that floats of algae formula of inhibiting of aeration, includes floats bed module (1) and aeration pipe (2), its characterized in that: the upper end of the aeration pipe (2) is connected with a control box (4) through a plurality of connecting rods (3), a gas pipe (5) is connected between the control box (4) and the aeration pipe (2), the lower end of the floating bed module (1) is connected with a combined filler (6) through a rope, submerged plants (7) are planted at the upper end of the floating bed module (1), the left side and the right side of the aeration pipe (2) are respectively connected with a side gas supply pipe (8), the side gas supply pipe (8) is vertically arranged, the upper end of the side gas supply pipe (8) is connected with a small floating ball (9) through a pull rope, the small floating ball (9) floats on the water surface, the outer side of the side gas supply pipe (8) is connected with a plurality of branch gas pipes (10), the floating bed module (1) is formed by mutually splicing a plurality of plant planting beds (101) and a plurality of microorganism loading beds (102), the inside of plant kind bed (101) is provided with nutrition soil layer (11), the upper end of nutrition soil layer (11) is provided with isolation layer (12), the root setting of benthophyte (7) is in the inside of nutrition soil layer (11), the lower extreme of nutrition soil layer (11) is provided with activated carbon adsorption layer (13).

2. The algae-inhibiting bio-floating bed coupled with activated carbon and aeration according to claim 1, wherein: the microorganism loading bed (102) is internally provided with microorganism packing.

3. The algae-inhibiting bio-floating bed coupled with activated carbon and aeration according to claim 1, wherein: the upper end of plant planting bed (101) is fixed and is provided with grid plate (14), a plurality of planting holes (1011) have been seted up on plant planting bed (101), submerged plant (7) set up the inside in planting hole (1011).

4. The algae-inhibiting bio-floating bed coupled with activated carbon and aeration according to claim 1, wherein: the submerged plant (7) is one or more of tape grass, hornwort, watermifoil or hydrilla verticillata.

5. The algae-inhibiting bio-floating bed coupled with activated carbon and aeration according to claim 1, wherein: the solar energy control device is characterized in that a supporting rod (15) is arranged at the upper end of the control box (4), a plurality of solar cell panels (16) are arranged at the upper end of the supporting rod (15), a storage battery (17) is arranged on the control box (4), and the solar cell panels (16) are electrically connected with the storage battery (17).

6. The algae-inhibiting bio-floating bed coupled with activated carbon and aeration according to claim 1, wherein: the floating bed module (1) is connected with a large floating ball (18) through a pull rope, and the large floating ball (18) floats on the water surface.