CN210261299U

CN210261299U - Ecological clean system in river course

Info

Publication number: CN210261299U
Application number: CN201920812059.9U
Authority: CN
Inventors: 龚彩霞; 黄文良; 王旭光; 李瑞成; 王辉; 林晓东; 汪敏; 刘胜; 邹艳红; 何良勇; 陈瑞萍; 林泽榕; 何娟; 胡耀欢; 韩鹏
Original assignee: Shenzhen Zhonglv Environment Group Co Ltd
Current assignee: Shenzhen Zhonglv Environment Group Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-04-07
Anticipated expiration: 2029-05-31

Abstract

The utility model provides an ecological clean system in river course belongs to river course restoration technical field. The utility model discloses a set up a plurality of aeration equipment in the river course along river course rivers flow direction interval, still including setting up in the river course bottom for restore the biological carrier module of river course bed mud, biological carrier module is including laying a plurality of biomembrane blankets at the bottom of a river, biomembrane blanket bottom is equipped with and is used for separating the stop device in certain clearance with the bed mud, still be equipped with fixing device on the biomembrane blanket. The utility model has the advantages that: the method can quickly eliminate the black and odorous water quality of the black and odorous water body, can gradually improve the water quality, has wide application range, has small influence on the construction and treatment effect by the black and odorous sludge at the bottom of the water body, and does not need to reform the river bottom.

Description

Ecological clean system in river course

Technical Field

The utility model relates to an ecological remediation system especially relates to a river course ecological purification system.

Background

Black and odorous river course is administered, many people adopt the dystopy to handle, build the sewage plant on the bank, after the river water is introduced to the bank and is handled, in discharging the river course, although river course water and domestic sewage are sewage, but the flow in river course is big, the pollution reason is complicated, so single construct the sewage plant on the bank not suitable, and the bank area, the land value is very expensive, and also make together with the view usually, construct the sewage treatment station beside the scenic spot, can influence people's sense of smell and vision, and can also lose a lot of funds.

In the aspect of sludge treatment, the sludge in river channels is excavated by a sludge ship, then is compressed by adding medicines and is sent to a landfill, however, more and more landfill sites are used in our country, the landfill not only occupies construction land, but also pollutes underground water and soil, and the labor cost is increased.

SUMMERY OF THE UTILITY MODEL

For solving the problem in the prior art, the utility model provides a river course ecological purification system.

As shown in fig. 1-3, the utility model discloses a set up a plurality of aeration equipment in the river course along river course rivers flow direction interval, still including setting up in the river course bottom for restore the biological carrier module of river course bed mud, the biological carrier module is including laying a plurality of biomembrane blankets at the river bottom, biomembrane blanket bottom is equipped with the stop device who is used for separating certain clearance with the bed mud, still be equipped with fixing device on the biomembrane blanket.

The utility model discloses do further improvement, still including the stream device that makes of building river course rivers, the quantity of making stream device is according to the distance of pushing away the stream along the river course flow direction setting.

The utility model discloses make further improvement, aeration equipment with make a set up in the surface of water below of an organic whole of class device, make the inside cavity shape for the cross sectional area that blocks water is little of class device, rivers link up around can and flow through.

The utility model discloses do further improvement, when the processing section river course that needs ecological purification is the river course that flows, aeration equipment with make a class device and follow the setting of rivers direction respectively, work as when the processing section river course is the cecum river course, aeration equipment with make a class device respectively along the river course annular setting all around.

The utility model discloses do further improvement, when the processing section river course that needs ecological purification is the local pollution river course in the river course that flows, the upper reaches in processing section river course are equipped with movable interception dam, and low reaches still are equipped with the overflow dam, aeration equipment with make a class device respectively along processing section river course annular setting all around.

The utility model discloses make further improvement, the biological carrier module is still including setting up the artifical pasture and water in river course bottom or biomembrane blanket top.

The utility model discloses make further improvement, the thickness of biomembrane blanket is 2 ~ 4 cm.

Compared with the prior art, the beneficial effects of the utility model are that: the method is applied to any black and odorous water body, water is not required to be introduced to the shore, but is treated in a river channel, sludge is not removed in the treatment process, and the sludge is degraded in situ; the method can quickly eliminate the black and odorous water quality of the black and odorous water body, can gradually improve the water quality, has wide application range, has small influence on the construction and treatment effect by the black and odorous sludge at the bottom of the water body, and does not need to reform the river bottom.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of another embodiment of the present invention;

fig. 3 is a schematic structural view of a third embodiment of the present invention;

FIG. 4 is a schematic structural view of an aeration flow-making machine;

FIG. 5 is a practical operation diagram of the aeration flow-making machine;

FIG. 6 is a schematic view of the formation of bio-carrier biofilm according to the present invention;

FIG. 7 is a schematic view of a biofilm degrading microbial process.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

City river lake water is a complicated ecosystem, and the factor that influences the water sense organ includes physical factor (suspended solid), alga factor (blue-green algae), microbiological factor (spoilage bacteria), chemical factor (dissolved oxygen, rich nutrient substance) etc, the utility model discloses a solve water quality of water pollution problem, based on the suitability, economy, the comprehensiveness, the persistence, the security is considered, through ecological purification technique, improve the water current self-purification ability, cultivate the interior aerobic microbe of water, make it begin to resume activity under the suitable condition and breed gradually to use the organic pollutant that exists in the water to eat, degrade it into carbon dioxide, micromolecular inorganic matter such as water through the metabolism, thereby improve water environment, change water quality of water problem gradually. The fundamental point for solving the eutrophication problem of the water body is to control the nitrogen and phosphorus contents of the water body and inhibit the outbreak of algae. The virtuous circle of the water ecosystem is realized by creating an environment suitable for the growth and the reproduction of various organisms, rebuilding and restoring the water ecosystem, restoring the biological diversity of the water body and fully utilizing the characteristics of the ecosystem such as cyclic regeneration, self-restoration and the like.

As shown in fig. 1-4, the utility model discloses a set up a plurality of aeration equipment in river course 1 along river course rivers flow direction interval, still including setting up in river course 1 bottom for restore the biological carrier module of river course bed mud, the biological carrier module is including laying a plurality of biomembrane blankets 4 at the river bottom, 4 bottoms on the biomembrane blanket are equipped with the stop device who is used for separating certain clearance with the bed mud, still be equipped with fixing device on the biomembrane blanket 4.

The biological carrier has super strong adsorption capacity, can provide an attachment place for microorganisms, and can adsorb suspended matters which are difficult to settle in a water body, reduce the concentration of the suspended matters in the water body and improve the transparency of the water body. The biological film blanket is selected, the thickness of the biological film blanket is only 2-4 cm, the water blocking area is approximately equal to 0, and the biological film blanket has no influence on flood discharge; the water treatment agent is paved at the water bottom, does not affect the water landscape, and has extremely large specific surface area and excellent treatment effect. The biomembrane module is made of high polymer materials, and can not be rotten after being installed for one time, and can be used for years without replacement.

In this embodiment, a fixing pin may be disposed below the biofilm blanket 4, and fixed by the fixing pin, and a limiting rope or the like may be disposed on the fixing pin to ensure that a certain gap is formed between the bottom of the biofilm blanket 4 and the bottom mud. Or a little gap can be separated by bricks or pebbles, the bricks or pebbles cannot be buried by a mud layer, and then the bricks or pebbles are tied on the biomembrane blanket, or the bricks or pebbles are tied and then fixed with a shore anchor chain, and cannot be washed away by flood.

By culturing huge microbial population on a biological carrier and transferring, converting and degrading pollutants in water by using the metabolism of the microbes, the self-purification capability of the water body is recovered to the maximum extent, the water quality is purified, and an aquatic ecosystem suitable for the growth and reproduction of various organisms is reconstructed and recovered.

Because the water body flows slowly and can only contact with the atmosphere through the surface layer of the water body to realize reoxygenation of the water body, the dissolved oxygen of the water body is easy to lack, and the middle and lower layers are easy to lack oxygen to form an anaerobic environment, thereby causing the generation of odor. In order to fundamentally eliminate the peculiar smell of the black and odorous river and provide a good living environment for aerobic microorganisms, the aeration device is arranged to carry out oxygenation and aeration in the whole water area.

Preferably, the bio-carrier module of this example further comprises artificial aquatic weeds 3 arranged at the bottom of the river 1 or above the biofilm blanket 4. The artificial aquatic weed 3 is compounded by high polymer materials, simulates branches and leaves of the aquatic weed, can float freely in water to form an upper, middle and lower three-dimensional structure layer, and has a porous structure and a high specific surface area. Greatly increasing the growth space of the microorganism.

The microorganisms in the water are seeded on the carrier to propagate in a large quantity, and a large quantity of microorganisms quickly decompose and eat pollutants, so that the water quality purification is realized. The microorganism is a harmless organism, can be propagated in large quantities under proper conditions, can be reduced in a large quantity when food (pollutants) are insufficient, and cannot bring about any side effect. The formation of biofilm on the carrier is shown in FIG. 6, and the degradation of microorganisms by biofilm is shown in FIG. 7.

Furthermore, in order to increase the utility model discloses a purifying effect, the utility model discloses still including the stream device of making of building river course rivers, the quantity of making stream device is according to the distance of plug flow along the river course flow direction setting. Through making a class device, realize the quick exchange of water, realize the "activation" of water, only the water that flows can reach the effect that "running water is not rotten". In addition, the disturbance of the equipment can accelerate the collision of suspended matters and the sedimentation speed of the suspended matters. Through aeration equipment, increase the content of water-soluble oxygen, be favorable to the microorganism on the biological carrier to multiply to purify the river course through native microorganism. In addition, the flow making device can make the water body flow fully, can inhibit the algae outbreak to a great extent, even if a small amount of free blue-green algae exist, the water body is difficult to float to the water surface to form 'water bloom', in addition, protozoa on the biomembrane has the functions of catching, swallowing and decomposing the blue-green algae, and the protozoa eat the blue-green algae as food without generating harm, thereby being a very safe and environment-friendly biological algae removal method. Therefore, the algae can be effectively removed, thereby improving the transparency of water quality.

Bottom mud of a black and odorous river channel with great pollution is divided into 4 layers from top to bottom: the floating mud, the flowing mud, the silt and the mucky soil have great influence on the environment, and part of the flowing mud and the silt need to be removed, and the part of the bottom mud can bring black odor while releasing pollutants due to long-term oxygen deficiency. The utility model discloses a set up biological carrier and aeration machine, improve the bottom and cover the water environment, utilize the metabolism of microorganism, with the thorough oxidative decomposition of organic pollutant in the bed mud, become pollution-free inorganic matter to the black smelly bed mud that constantly releases the pollutant becomes harmless silt muddy soil, with the harm that reduces river silt.

As shown in fig. 4, the aeration apparatus 22 and the flow generating apparatus 21 of this embodiment are integrally installed under the water surface, the aeration flow generating apparatus 2 includes the aeration apparatus 22 and the flow generating apparatus 21 connected by a cable 23, and the flow generating apparatus 21 has a hollow shape with a small water blocking cross-sectional area and allows water to flow therethrough in a front-back direction. A fixing bracket 222 is also provided thereunder. The aeration flow-making machine 2 of the embodiment can be an H-SYJ-150 type river and lake water quality purifier, and the water-blocking cross-sectional area is only 0.01m². The water flow which is 20 times larger than that of the common water pump can be produced by consuming the same electric power. The huge horizontal circulating water flow is formed in the water, so that the energy is particularly saved, and the huge water body can be stirred by using very little energy consumption, so that the whole water body is changed from dead water into flowing running water.

In addition, an H-SYT-300 type purifier can also be selected and consists of a high-pressure vortex fan, a microporous aeration disc, a self-sinking air pipe corrugated pipe and the like. The high-pressure vortex wind of the power source conveys the air to the micropore aeration disc arranged at the bottom of the lake through a series of pipelines, the fresh air uniformly overflows from the bottom of the lake in a micro bubble form through the micropore aeration disc, micro bubbles are fully contacted with water to generate gas-liquid exchange, and oxygen is dissolved in the water to achieve the purpose of efficient oxygenation. Meanwhile, the micro bubbles carry the bottom water flow to be lifted to the surface layer of the water body, so that the exchange of the water body is realized; meanwhile, the surface water body diffuses outwards in a laminar flow form to form surface flow. Along with the surface flow diffusion, the coverage area is increased, the surface tension of the water body is improved, the oxygen concentration of the air-water interface is improved, and the oxygen is lifted to the bottom layer through exchange, so that the dissolved oxygen of the water body is gradually improved, and the water body is homogenized. The flow-making effect is shown in fig. 5.

The utility model discloses the system is applicable to different river channel types, and stream machine 2 is made in the high-efficient aeration of aquatic to the aeration, makes the water have sufficient dissolved oxygen to along with circulating water flow takes the oxygen-enriched water of aeration machine department to each corner in river lake, makes whole river lake all become the sufficient aerobic environment of dissolved oxygen. As shown in fig. 1, when the river channel of the treatment section requiring ecological purification is a flowing river channel, the aeration flow-making machines 2 are respectively arranged at two sides of the river channel 1 along the water flow direction, artificial aquatic plants 3 are planted at two sides of the river channel, and a biological membrane blanket 4 is laid in the middle of the river channel 1.

As shown in fig. 2, when the treatment section river 1 is a cecum river, the aeration flow-making machines 2 are respectively arranged annularly along the periphery of the river.

As shown in fig. 3, when a treatment section river 1 requiring ecological purification is a local polluted river in a flowing river, a movable interception dam 7 is arranged at the upstream of the treatment section river along a river water flow direction 8, and an overflow dam 6 is arranged at the downstream, so that the local polluted river is isolated and purified separately. The aeration flow-making machines 2 are respectively arranged along the periphery of the river channel 1 of the treatment section in an annular manner. A partial annular water flow 5 is generated.

The utility model is particularly suitable for any black and odorous water body, water is not required to be guided to the shore, but is treated in a river channel, sludge is not removed by dredging in the treatment of sludge, and the in-situ degradation is carried out; the method can quickly eliminate the black and odorous water quality of the black and odorous water body, can gradually improve the water quality, has wide application range, has small influence on the construction and treatment effect by the black and odorous sludge at the bottom of the water body, and does not need to reform the river bottom.

The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides an ecological clean system in river course which characterized in that: the biological carrier module comprises a plurality of aeration devices which are arranged in a river channel at intervals along the flowing direction of river channel water flow, and a biological carrier module which is arranged at the bottom of the river channel and used for repairing bottom mud of the river channel, wherein the biological carrier module comprises a plurality of biological membrane blankets which are laid at the bottom of the river, a limiting device which is used for separating a certain gap from the bottom mud is arranged at the bottom of each biological membrane blanket, and a fixing device is further arranged on each biological membrane blanket.

2. The ecological riverway purification system of claim 1, wherein: the device also comprises a flow making device for making river water flow, wherein the number of the flow making devices is arranged along the flow direction of the river channel according to the distance of the plug flow.

3. The ecological riverway purification system of claim 2, wherein: the aeration device and the flow making device are integrally arranged below the water surface, the flow making device is internally in a hollow shape with small water blocking cross section area, and water flow can run through the flow making device from front to back.

4. The ecological riverway purification system of claim 3, wherein: when the river channel of the treatment section needing ecological purification is a flowing river channel, the aeration device and the flow making device are respectively arranged along the water flow direction, and when the river channel of the treatment section is a cecum river channel, the aeration device and the flow making device are respectively arranged along the periphery of the river channel in an annular mode.

5. The ecological riverway purification system of claim 3, wherein: when the river channel of the treatment section needing ecological purification is a local pollution river channel in a flowing river channel, the upstream of the river channel of the treatment section is provided with a movable interception dam, the downstream of the river channel of the treatment section is also provided with an overflow dam, and the aeration device and the flow making device are respectively arranged along the periphery of the river channel of the treatment section in an annular mode.

6. The ecological riverway purification system as claimed in any one of claims 1 to 5, wherein: the biological carrier module also comprises artificial aquatic plants arranged at the bottom of the river channel or above the biological membrane blanket.

7. The ecological riverway purification system as claimed in any one of claims 1 to 5, wherein: the thickness of the biological film blanket is 2-4 cm.