River and lake entrance pollutant reduction device

Abstract

The upper surface of a purification tank is open, sieve pores are densely distributed in the four side faces and the bottom face of the purification tank, a plurality of ecological floating islands and an ecological blocking net are arranged on the upper surface of the purification tank, the ecological floating islands are all provided with plant planting baskets, aquatic plants are arranged in the plant planting baskets, and the ecological blocking net is arranged on the bottom face of the purification tank. The device disclosed by the utility model is reasonable in structure and wide in application range, is particularly suitable for being used under the condition that no pollutant reduction measures exist at the inlets of rivers and lakes, and can be used for rapidly and effectively degrading the pollutant concentration in water; a microbial agent or a microbial accelerant and an aeration measure are matched, so that the natural water pollutant reduction efficiency can be enhanced; the device is simple in structure, materials are common and easy to obtain in the market, secondary pollution is avoided, modular design facilitates transportation, assembly and subsequent maintenance, aeration is located under the floating island structure, and position adjustment is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to river lake mouth pollution treatment technical field, concretely is a kind of river lake mouth pollution reduction device. BACKGROUND

[0002] River lake rainwater, tributary and the like are the main water source of river lake, and also the main channel of pollutants into river lake. Due to the population explosion and the development of industrial and agricultural production, a large amount of pollutants are discharged into water bodies through river lake mouth with surface runoff such as rainfall, so that the content of pollutants in water bodies is high, and the water bodies are in a long-term black and odorous state, which further aggravates the pollution load of river and lake.

[0003] At present, the common river lake entrance regulation measures include pollution outlet investigation and regulation, rainwater and sewage separation, sewage interception and pipe laying, etc., to prevent the phenomenon of pollutants entering river lake. Although these measures have achieved obvious results in various places, and the environment of river and lake has been improved, due to the difficulty in underground municipal pipe network investigation, high reconstruction and construction cost, and incomplete rural sewage treatment facility construction, etc., the phenomenon of pollutants being discharged into river and lake with surface runoff often occurs, which pollutes the water quality of river and lake, and causes the occurrence of black and odorous phenomenon.

[0004] At present, there are also artificial floating island type pollutant reduction devices, but most of the existing pollutant reduction devices are connected to the shore by ropes after being spliced, which has the following problems: first, if used for river lake mouth, the stability is poor, which reduces the service life of aquatic plants; second, the aeration device is separately installed underwater, which is not an integral structure, and is not convenient to install and use, and the position is difficult to adjust according to the position of the floating island. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a river lake mouth pollutant reduction device to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a river lake mouth pollutant reduction device, comprising a purification tank, an ecological floating island, an ecological screen, a plant planting basket, aquatic plants, suspended fillers, microporous aerators and an aeration pipe, the upper surface of the purification tank is open, the four sides and the bottom of the purification tank are densely covered with sieve holes, the upper surface of the purification tank is provided with a plurality of ecological floating islands and an ecological screen, the ecological floating islands are all provided with plant planting baskets, the plant planting baskets are provided with aquatic plants, the purification tank is filled with suspended fillers, the bottom end of the inside of the purification tank is provided with a plurality of microporous aerators, the microporous aerators are connected with each other through the aeration pipe, the aeration pipe is also connected with an air inlet pipe, and the air inlet pipe is arranged in the ecological screen.

[0007] Preferably, the utility model provides a kind of river lake entry pollution reduction device, wherein, the ecological floating island is connected by bolt connecting piece each other, the ecological barrier net is connected by bolt connecting piece each other between adjacent ecological floating island, the outer edge of the ecological floating island and ecological barrier net is also connected with the edge of purification tank by bolt connecting piece.

[0008] Preferably, the utility model provides a kind of river lake entry pollution reduction device, wherein, the aeration pipe is installed in the bottom of the inside of purification tank by U type hoop fixing piece, the air inlet pipe is also connected with the side wall of purification tank by U type hoop fixing piece.

[0009] Preferably, the utility model provides a kind of river lake entry pollution reduction device, wherein, one side of the purification tank is fixedly connected with river lake hardening revetment by anchor.

[0010] Preferably, the utility model provides a kind of river lake entry pollution reduction device, wherein, the root of aquatic plant passes through plant planting basket and is located in the inside of purification tank.

[0011] Preferably, the utility model provides a kind of river lake entry pollution reduction device, wherein, the outer end of air inlet pipe also reserves flange.

[0012] Compared with prior art, the utility model has the beneficial effects that:

[0013] Wide range of application, especially applicable to the condition that river lake entry has no pollution reduction measure, device can quickly and effectively degrade the pollutant concentration in water, cooperate with microbial agent or microbial promoter and aeration measure, can strengthen natural water pollutant reduction efficiency;Device structure is simple, and material is common and easy to get in market, and there is no secondary pollution problem, and modular design is convenient for transportation, assembly and subsequent maintenance, and aeration is located just below floating island structure, even if adjusting position is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is the overhead structure (not show aquatic plant) schematic diagram of the utility model;

[0016] Figure 3 It is the structural schematic diagram of purification tank;

[0017] Figure 4 It is the inside overhead structure schematic diagram of purification tank;

[0018] Figure 5 It is the structural schematic diagram of U type hoop fixing piece.

[0019] In the figure: purification tank 1, ecological floating island 2, ecological net 3, plant planting basket 4, aquatic plant 5, suspended filler 6, microporous aerator 7, aeration pipe 8, air inlet pipe 9, bolt connecting piece 10, U-shaped hoop fixing piece 11, anchoring piece 12, river and lake hardening revetment 13, flange 14. DETAILED DESCRIPTION

[0020] The technical solutions of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] It should be noted that in the description of the present application, it should be noted that the terms "inner", "outer", "upper", "lower", "two sides", "one end", "the other end", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0022] Please refer to Figures 1-5The utility model provides a technical scheme: a kind of river and lake entrance pollutant reduction device, including purification tank 1, ecological floating island 2, ecological screen 3, plant planting basket 4, aquatic plant 5, suspended filler 6, microporous aerator 7 and aeration pipe 8, the upper surface of purification tank 1 is open, purification tank is made of 2mm thickness 304 stainless steel grid piece, grid gap is φ8mm, the size of purification tank is L*H*H=3000mm*2600mm*2500mm, the four sides and bottom of purification tank 1 are densely distributed with sieve hole, the upper surface of purification tank 1 is provided with a plurality of ecological floating island 2 and an ecological screen 3, ecological floating island 2 has 63, ecological screen 3 has 1 piece, the size of ecological screen is L*H=1000mm*1000mm, the gap of ecological screen 3 is φ8mm, ecological floating island 2 is connected with each other by bolt connecting piece 10, ecological screen 3 and adjacent ecological floating island 2 are connected with each other by bolt connecting piece 10, the outer edge of peripheral ecological floating island 2 and ecological screen 3 is also connected with the edge of purification tank 1 by bolt connecting piece 10, to realize the installation of ecological floating island 2 and ecological screen 3, bolt connecting piece 5 is galvanized bolt, model is M10*35, ecological floating island 2 is provided with plant planting basket 4, aquatic plant 5 is provided in plant planting basket 4, the root of aquatic plant 5 passes through plant planting basket 4 and is located inside purification tank 1, to ensure that the root of aquatic plant 5 can contact water smoothly, so that microbial population and plankton are attached on the root system of aquatic plant 5, form huge biological community, purification tank 1 is filled with suspended filler 6, suspended filler 6 is porous gel material, and the water inlet size is L*H*H=200mm*200mm*200mm, and the specific surface area is as high as 380000 square meters / m 3 The bottom end in purification tank 1 is provided with a plurality of microporous aerators 7, the microporous aerators 7 are connected with each other by aeration pipe 8, the aeration pipe 8 is installed in the bottom of the purification tank 1 by U-shaped clamp fixing part 11, the air inlet pipe 9 is also connected with the side wall of the purification tank 1 by U-shaped clamp fixing part 11, to realize the connection of the aeration pipe 8 and the air inlet pipe 9 with the purification tank 1, so as to ensure the stability of the aeration pipe 8, the air inlet pipe 9 and the microporous aerator 7, the aeration pipe 8 is also connected with the air inlet pipe 9, the air inlet pipe 9 is provided in the ecological screen 3, and the outer end of the air inlet pipe 9 is also provided with a flange 14, so as to be connected with the external pipeline, one side of the purification tank 1 is fixedly connected with the river and lake hardening revetment 13 by anchoring part 12, to realize the overall installation and fixation.

[0023] The installation method and working principle are as follows: firstly, the microporous aerator 7 and the aeration pipe 8 are fixed in the purification tank 1 through the U-shaped clamp fixing piece 11, and the air inlet pipe 9 is connected to the aeration pipe 8. Then, the purification tank 1 is placed at the entrance of the river or lake, and the purification tank 1 is fixedly connected with the hard revetment 13 of the river or lake through the anchoring piece 12. Then, the suspended filler 6 is put into the purification tank 1, and the ecological floating island 2 with the plant planting basket 4 is placed in a matrix form at the open top of the purification tank 1, the adjacent ecological floating islands 2 are connected with each other through the bolt connecting piece 10, the peripheral ecological floating island 2 is connected with the edge of the purification tank 1 through the bolt connecting piece 10, and a space is reserved for installing the ecological screen 3 in the space, and the air inlet pipe 9 penetrates through the ecological screen 3, and the ecological screen 3 is connected with the adjacent ecological floating island 2 and the edge of the purification tank 1 respectively. Finally, the aquatic plants 5 are placed in the plant planting baskets 4, and the installation is completed. The working principle is as follows: the aquatic plants 5 in the device directly absorb organic pollutants in water, and the plant roots can provide living habitats for many other organisms, and the microbial population and plankton are attached to the aquatic plant roots to form a large biological community, increase the diversity and stability of the ecological system, and perform non-powered purification on the water quality; the suspended filler 6 in the device is a new type of active biological carrier, which has a specific surface area of up to 38000m2 / m 3 The device can quickly and effectively degrade the pollutant concentration in water, and can strengthen the pollutant reduction efficiency of natural water bodies by being used with microbial agents or microbial promoters and aeration measures. The device has simple structure, and the materials are common and easy to obtain on the market, and there is no secondary pollution problem. The modular design is convenient for transportation, assembly and subsequent maintenance, and the aeration is located directly below the floating island structure, and is not affected even if the position is adjusted.

[0024] The parts not described in the utility model are known to those skilled in the art.

[0025] Finally, it should be noted that: the above specific embodiments are only used to illustrate the technical solutions of the utility model and are not limited. Although the utility model has been described in detail with reference to the embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified and replaced equivalently without departing from the spirit and scope of the technical solutions of the utility model, and they should be covered in the scope of the claims of the utility model.

Claims

1. A device for reducing pollutants entering a river or lake, characterized by: The utility model provides a river and lake ecological purification device, including purifying groove (1), ecological floating island (2), ecological screen (3), plant planting basket (4), aquatic plant (5), suspended filler (6), microporous aerator (7) and aeration pipe (8), the upper surface of purifying groove (1) is open, and the four sides and bottom of purifying groove (1) are densely clothed with sieve hole, the upper surface of purifying groove (1) is provided with a plurality of ecological floating island (2) and an ecological screen (3), ecological floating island (2) is provided with plant planting basket (4), plant planting basket (4) is provided with aquatic plant (5) in, purifying groove (1) is filled with suspended filler (6), and the bottom of purifying groove (1) is provided with a plurality of microporous aerator (7), microporous aerator (7) is connected with aeration pipe (8) between each other, aeration pipe (8) is also connected with air inlet pipe (9), air inlet pipe (9) is arranged in ecological screen (3).

2. The river and lake pollutant reduction device according to claim 1, characterized in that: Ecological floating island (2) is connected with each other through bolt connecting piece (10), and ecological screen (3) and adjacent ecological floating island (2) are connected with each other through bolt connecting piece (10), and the outer edge of peripheral ecological floating island (2) and ecological screen (3) is also connected with the edge of purifying groove (1) through bolt connecting piece (10).

3. The river and lake pollutant reduction device according to claim 1, characterized in that: Aeration pipe (8) is installed on the bottom inside purifying groove (1) through U type hoop fixing piece (11), and air inlet pipe (9) is also connected with the side wall of purifying groove (1) through U type hoop fixing piece (11).

4. The river and lake pollutant reduction device according to claim 1, characterized in that: One side of purifying groove (1) is fixedly connected with river and lake hardening barge shore (13) through anchoring piece (12).

5. The river and lake pollutant reduction device according to claim 1, characterized in that: The root of aquatic plant (5) passes through plant planting basket (4) and is located in purifying groove (1) inside.

6. The river and lake pollutant reduction device according to claim 1, characterized in that: The outer end of air inlet pipe (9) is also reserved with flange (14).

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