CN113415888A

CN113415888A - Solar aeration dual-treatment mode ecological floating bed

Info

Publication number: CN113415888A
Application number: CN202110562860.4A
Authority: CN
Inventors: 肖玟羽
Original assignee: Beijing University of Technology
Current assignee: Beijing University of Technology
Priority date: 2021-05-22
Filing date: 2021-05-22
Publication date: 2021-09-21

Abstract

A solar aeration dual-treatment mode ecological floating bed relates to the technical field of sewage treatment in environmental engineering discipline. The invention changes the appearance and technical defects of the traditional floating bed device, develops the ecological floating bed for treating sewage by utilizing the combined action of solar power supply aeration oxygenation, aquatic plant root systems and biological fillers, fully utilizes the water body space, and has novel and unique appearance and doubled water treatment effect.

Description

Solar aeration dual-treatment mode ecological floating bed

Technical Field

The invention relates to the technical field of sewage treatment in environmental engineering subjects, in particular to a basic component of a water treatment device.

Background

An ecological floating bed technology is a water environment restoration technology. The floating bed is used as a carrier, the aquatic plants are used as a main body, plant root systems generated under the water of the plants form dense and staggered nets in the water, a large amount of suspended matters in the water are adsorbed, a biological film is gradually formed on the surface of the plant root systems, pollutants in the water are degraded through the metabolism of microorganisms in the biological film, and the water pollution load is reduced; meanwhile, the root system of the plant absorbs nutrient substances such as nitrogen, phosphorus and the like from the water body, thereby removing the nitrogen and the phosphorus in the water body and reducing the eutrophication degree; on the other hand, the floating island can block sunlight to inhibit photosynthesis of algae, so that the transparency of the water body is greatly improved, the phenomena of water body fishy smell and eutrophication caused by insufficient sealing or self-circulation of the water body are reduced, the plants on the floating island can be used for birds to inhabit, and the root systems of the lower plants can form the living environment of aquatic animals such as fishes.

However, the traditional ecological floating bed technology still has some defects, such as: the water space is not fully utilized, the underwater DO content is low, the microbial degradation of pollutants on the surface of the root system is not facilitated, the purification capacity of deep water is very limited, the design of a planting basket fixing mode is lacked, plants and matrixes are easy to move out by external force, and the like, so that the ecological floating bed technology and the device are in urgent need of reinforcement.

Disclosure of Invention

The invention relates to a solar aeration dual-treatment mode ecological floating bed, aims to overcome the problems in the prior art, and provides a novel ecological floating bed technology.

The invention mainly comprises a floating body, a solar power generation system, a biological filler treatment area and an aquatic plant treatment area.

The solar aeration dual-treatment mode ecological floating bed comprises a square floating body, wherein four floating bed fixing rings are arranged around the floating body and used for external connection among the ecological floating beds; the middle position of the floating body is a flat cylindrical cavity which is a solar power generation system cavity, the top of the flat cylindrical cavity is an annular solar panel, and other elements (a storage battery, a controller and the like) of the solar power generation system are arranged in the flat cylindrical cavity; a fan is arranged in the middle of the solar cell panel on the top of the flat cylindrical cavity; the fan is powered by the solar power generation system, and the starting and the stopping of the fan are both operated by the controller; the lower part of the fan is connected with an aeration main pipe, the aeration main pipe penetrates through the biological filler area, and the lower part of the aeration main pipe is connected with an aeration branch pipe; the number of the aeration branch pipes is two, and the tail ends of the two aeration branch pipes are connected by a balance rod; the aeration branch pipe is sequentially provided with an aeration head and a plurality of micropores to form two aeration modes, wherein one mode is that the aeration head at the lower part of the biological filler area distributes air, and the other mode is that a plurality of micropores at the lower part of the aquatic plant area aerate; the biological filler zone is positioned in the water below the flat cylindrical cavity, a plurality of biological fillers are hung in the filler zone, the periphery of each biological filler is protected by an isolation net, the upper part of each biological filler is hung on the floating body, and the lower part of each biological filler is fixed at the bottom of the net.

The planting device is characterized in that a plurality of planting holes are formed in the space outside the flat cylindrical cavity (solar power generation system) on the square floating body, the planting holes are used for placing plant planting baskets, and elastic clamping pieces are symmetrically arranged at the edges of two sides of each planting basket and used for being fixed in the planting holes. The upper part of the aquatic plant planting basket is provided with more than 4 spring ropes which are distributed in a crossed manner and used for protecting plants and matrixes from being moved out by external force, and two ends of each spring rope can be fixed on the edge of the planting basket;

preferably, the novel ecological floating bed main body is T-shaped, the whole body is's' -shaped, and the solar power generation system cavity in the middle position and the biological filler at the lower part have certain weight, so that the stability of the floating bed in water is facilitated, and the floating bed is not easy to drift.

Preferably, the biological filler at the cavity and the lower part of the solar power generation system is separated from the ecological floating bed main body and is provided with a safe fixed clamping position;

preferably, the float is a hollow carrier; the floating body and the planting basket are made of ultraviolet-proof and corrosion-proof polymer materials.

Preferably, the aeration branch pipe is provided with a plurality of micropores for generating micro-aeration, so that the aquatic plants are not damaged due to overlarge gas impact force during aeration and oxygenation.

Preferably, the solar power generation system is utilized to drive the fan to work, so that an air distribution system is formed together, and energy conservation and emission reduction are realized.

Preferably, the elastic clamping pieces at the two side edges of the aquatic plant planting basket do not limit the taking out of the planting basket and have good fixing effect; the planting holes and the planting baskets can be set with sizes and intervals as required.

Preferably, the spring rope on the upper part of the planting basket is placed according to actual needs.

Preferably, the upper end of the biological filler is connected with the floating body in a hook mode, and the lower end of the biological filler is fixed on the biological filler fixing net.

Preferably, the fixing net at the bottom of the biological filler has a certain weight and plays a role of straightening the biological filler. The biological filler fixing net can be opened and closed at the bottom, so that the biological filler is convenient to install and replace.

Preferably, the biological filler isolation net is used for preventing the excessive entering of the roots of the aquatic plants into the biological filler area from influencing the function of the biological filler. The isolation net and the floating body are fixed integrally.

Preferably, the tail ends of the two aeration branch pipes are connected by a balance rod, and the balance rod plays a role in fixing and increasing weight and prevents the aeration branch pipes from being twisted and floating upwards.

The invention has the beneficial effects that:

1. the invention fully utilizes the water space technology, arranges the aquatic plant treatment area and the biological filler treatment area, increases the water treatment area horizontally and longitudinally, increases the pollutant degradation capability and enhances the phosphorus and nitrogen removal effect.

2. The solar power generation system is utilized to drive the fan to work, so that energy is saved and emission is reduced. According to the treatment requirement, two modes of aeration head aeration and micropore aeration coexist, the DO content is effectively increased, and good water treatment conditions are provided for microorganisms.

3. The horizontal area of body is big, and aquatic plant plants groove quantity is many, compares with traditional ecological bed that floats, has reduced concatenation installation work load. Meanwhile, the larger floating body area has the functions of shielding, whirling, providing fish breeding bait resources and sheltering places, and good conditions for fish living and breeding are formed.

4. A novel fixing mode is adopted: the edges of two sides of the planting basket are provided with elastic clamping pieces (not limited to 2 pieces) which are favorably fixed in the planting holes; the upper part of the planting basket is provided with more than 4 spring ropes which are distributed in a crossed manner, thereby being beneficial to the fixation of plants.

5. Breaks traditional ecological bed outward appearance that floats, and novel ecological bed main part that floats is the T font, wholly is "shi" font, and is novel unique, wholly can split, easily production, easy installation, easy later maintenance.

Drawings

FIG. 1 is a perspective view of an ecological floating bed with solar aeration dual treatment mode

FIG. 2 is a sectional view of the ecological floating bed

FIG. 3 is a schematic view of an aquatic plant growing basket

FIG. 4 schematic view of solar power generation system and biological filler

FIG. 5 is a top view of the solar aeration dual treatment mode ecological floating bed

A square floating body; 2-planting holes; 3, placing a cavity for the solar power generation system; 4-a solar panel; 5, a fan; 6-biological filler; 7-an isolation net; 8-fixing a net at the bottom of the biological filler; 9-aeration main pipe; 10-aeration branch pipe; 11-an aeration head; 12-aeration micropores; 13-a balance bar; 14-floating bed fixing ring; 15-placing the edge of the cavity for the solar power generation system; 16-planting basket; 17-plant fixation spring string; 18-fixing the card elastically for the planting basket; 19-clamping groove of placing cavity of solar power generation system

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Referring to fig. 1-5, this embodiment is a solar aeration dual treatment mode ecological floating bed. The device mainly comprises a square floating body 1, a planting basket 16, solar

power generation systems

3 and 4, a fan 5, an aeration main pipe 9, an aeration branch pipe 10, biological fillers 6 and the like.

Taking a single three-dimensional ecological floating bed device as an example, the upper end of a biological filler 6 is hung at the lower part of a cavity 3 of a solar power generation system and is integrally fixed on a clamping groove 19 of an ecological floating bed main body; fixing the lower end of the biological filler 6 on a bottom fixing net 8, and closing the bottom fixing net 8; a storage battery, a controller and the like of the solar power generation system are placed in a cavity 3 of the solar power generation system, and elements such as wires and the like are connected with a fan 5; the lower part of the fan 5 is provided with an aeration main pipe 9 and an aeration branch pipe 10, and the aeration head and the micro-hole are ensured to be smoothly aerated; putting a plurality of aquatic plants, matrixes and the like into a planting basket 16, and fixing the stems of the plants by using plant fixing spring ropes 17; the planting basket 16 is clamped on the planting hole 2; launching the installed ecological floating bed; the solar power generation system (including the controller) is started to drive the fan 5 to work, and the fan 5 carries out underwater air distribution through the main aeration pipe 9 and the branch aeration pipes 10, so that the water body has sufficient oxygen. Attention is paid to controlling the flow of air, and the impulse cannot be too large.

After the root system of the aquatic plant grows into water, a biological film is gradually formed on the surface of the root system, pollutants in the water are degraded through the metabolism of microorganisms in the biological film, and nutrient substances such as nitrogen, phosphorus and the like are absorbed from the water body, so that the nitrogen and the phosphorus in the water body are removed;

the biological filler is used as a carrier for microorganisms to inhabit, and is used for carrying out a biomembrane method effect under the support of nutrients to treat sewage.

On the other hand, the floating island can prevent photosynthesis of algae by shielding sunlight, so that the transparency of the water body is greatly improved, and the phenomena of water body fishy smell and eutrophication caused by insufficient sealing or self-circulation of the water body are reduced. Meanwhile, birds can inhabit on the floating island, and the root system of the lower plant forms a living environment for fishes, aquatic insects and the like.

Size design:

a square floating body: 2000mm × 2000mm × 180mm

A flat cylindrical cavity (a solar power generation system placing cavity) with phi of 850mm and h of 150-

Biological filler isolation net: phi 910mm, h 1500-

Planting a groove: single phi 100mm-200mm, h 180-

The invention changes the appearance and technical defects of the traditional floating bed device, develops the ecological floating bed for treating sewage by utilizing the combined action of solar power supply aeration oxygenation, aquatic plant root systems and biological fillers, fully utilizes the water body space, and has novel and unique appearance and doubled water treatment effect.

Detailed description of the inventionin the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the invention disclosed above are intended merely to aid in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A solar aeration double treatment mode ecological floating bed comprises a floating body, a solar power generation system, a biological filler treatment area and an aquatic plant treatment area;

floating bed fixing rings are arranged around the floating body and used for external connection among the ecological floating beds; the middle position of the floating body is a solar power generation system cavity; a fan is arranged in the middle of the solar cell panel on the top of the flat cylindrical cavity; the fan is powered by the solar power generation system, and the starting and the stopping of the fan are both operated by the controller; the lower part of the fan is connected with an aeration main pipe, the aeration main pipe penetrates through the biological filler area, and the lower part of the aeration main pipe is connected with an aeration branch pipe; the number of the aeration branch pipes is two, and the tail ends of the two aeration branch pipes are connected by a balance rod; the aeration branch pipe is sequentially provided with an aeration head and a plurality of micropores to form two aeration modes, wherein one mode is that the aeration head at the lower part of the biological filler area distributes air, and the other mode is that a plurality of micropores at the lower part of the aquatic plant area aerate; the biological filler zone is positioned in water at the lower part of the flat cylindrical cavity, a plurality of biological fillers are hung in the filler zone, the periphery of each biological filler is protected by an isolation net, the upper part of each biological filler is hung on the floating body, and the lower part of each biological filler is fixed at the bottom of the net;

the square floating body is provided with a plurality of planting holes, the planting holes are used for placing plant planting baskets, and the planting baskets are fixed in the planting holes; the upper part of the aquatic plant planting basket is provided with more than 4 spring ropes which are distributed in a crossed manner and used for protecting plants and matrixes from being moved out by external force.

2. The floating bed of claim 1, wherein: the floating body main body is a hollow carrier; the floating bed main body is T-shaped, and the whole floating bed is 'Chinese character' shaped.

3. The floating bed of claim 1, wherein: the biological filler on the cavity and the lower part of the solar power generation system can be separated from the ecological floating bed main body.

4. The floating bed of claim 1, wherein: the aeration branch pipe is provided with a plurality of micropores for generating micro aeration.

5. The floating bed of claim 1, wherein: the solar power generation system is utilized to drive the fan to work, and an air distribution system is formed together.

6. The floating bed of claim 1, wherein: the upper end of the biological filler is connected with the floating body in a hook type, and the lower end of the biological filler is fixed on the biological filler fixing net.

7. The floating bed of claim 1, wherein: the fixing net at the bottom of the biological filler plays a role in straightening the biological filler. The biological filler fixing net can be opened and closed at the bottom, so that the biological filler is convenient to install and replace.

8. The floating bed of claim 1, wherein: the biological filler isolation net is used for preventing excessive roots of the aquatic plants from entering the biological filler area to influence the function of the biological filler, and the biological filler isolation net and the floating body are integrally fixed.

9. The floating bed of claim 1, wherein: the tail ends of the two aeration branch pipes are connected by a balance rod, and the functions of fixing and weight increasing are achieved at the same time, so that the aeration branch pipes are prevented from being distorted and floating upwards.

10. A method of using the floating bed of claim, wherein: hanging the upper end of the biological filler on the lower part of a cavity of the solar power generation system, and integrally fixing the biological filler on a clamping groove of the ecological floating bed main body; fixing the lower end of the biological filler on a bottom fixing net, and closing the bottom fixing net; putting the solar power generation system into a cavity of the solar power generation system, and connecting the solar power generation system with a fan; the lower part of the fan is provided with an aeration main pipe and an aeration branch pipe, and the aeration head and the micro-hole are ensured to be smoothly aerated; putting a plurality of aquatic plants and a substrate into a planting basket, and fixing the stems of the plants by using plant fixing spring ropes; clamping the planting basket on the planting hole; launching the installed ecological floating bed; starting the solar power generation system to drive the fan to work, wherein the fan carries out underwater air distribution through the main aeration pipe and the branch aeration pipe;

after the root system of the aquatic plant grows into water, a biological film is gradually formed on the surface of the root system, pollutants in the water are degraded through the metabolism of microorganisms in the biological film, and nitrogen and phosphorus in the water body are removed;