Pit-pond repairing dam

Abstract

The utility model discloses a pit-pond restoration dam, which relates to the technical field of river channel restoration, and comprises a filter dam arranged in a waterflow river channel and a solar surface water impeller floating on the water surface, the solar surface water impeller is positioned at the upstream part of the river channel, and submerged plants are planted in the river channel. According to the pit-pond repairing dam, a water body can make full contact with microorganisms, sludge accumulation is avoided, the content of dissolved oxygen in the whole reaction area can be increased, the aerobic biodegradation process is effectively promoted, the self-purification capacity of the water body is improved, meanwhile, the solar panel is installed above the flow pushing device, energy consumption can be reduced, and energy conservation and emission reduction are achieved. The device can still run in emergency, is small in energy consumption and low in running cost, can still keep running by utilizing stored electric energy under severe conditions, and has the characteristics of novel and unique structure, easiness in construction, energy consumption reduction and good use effect.

Description

Technical Field

[0001] The utility model relates to the technical field of river channel repair, and more specifically to a pond repair dam. Background Art

[0002] Ponds are mainly found in front of and behind the houses of villagers in rural areas. As they are close to houses, they are polluted by rural domestic sewage, coastal garbage, livestock and aquaculture pollutants, farmland runoff, industrial wastewater, etc., which causes water quality to deteriorate. In addition, due to the poor fluidity of pond water, the accumulated silt and organic matter will accelerate the deterioration of water quality, causing the water to become black and smelly, making the water color obviously abnormal or emitting a strong and unpleasant odor. Black and smelly water will emit toxic substances, which will cause great harm to the human body and the environment.

[0003] The generation of black and smelly water is a complex physical, chemical and biological process. It is caused by organic pollution that exceeds the self-purification capacity of the water environment. The aerobic decomposition of organic matter makes the oxygen consumption rate in the water body greater than the reoxygenation rate, causing water hypoxia, resulting in incomplete degradation of organic matter and slowing down the rate. The anaerobic biodegradation process generates odorous substances such as hydrogen sulfide, ammonia, and mercaptan, and at the same time forms black substances, causing the water body to become black and smelly. The Chinese patent with application number 202223124817.9 discloses a medium-to-large ecological pond for treating black and smelly water bodies. The structure includes an inlet pipe and an overflow cofferdam. The inlet pipe is fixedly penetrated through the left wall of the overflow cofferdam. The lower inner wall of the overflow cofferdam is tilted to the right. The left half of the lower inner wall of the overflow cofferdam is provided with emergent plants, and the right half of the lower inner wall of the overflow cofferdam is provided with submerged plants. The lower inner wall of the overflow cofferdam is fixedly installed with a gravel water distribution weir, and the right side of the gravel water distribution weir is fixedly installed with a gravel buffer layer. The medium-sized and large ecological ponds for treating black and odorous water bodies have the function of purifying the ponds, but because their structure requires the use of water level differences and slopes, they are not convenient for use in ponds on plains. Moreover, the fluidity of the water body is limited, making it impossible to effectively increase the oxygen content in the water body, which will result in the black and odorous water body being unable to fully contact with microorganisms and aggravate the accumulation of silt.

[0004] Therefore, it is necessary to propose a pond repair dam to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to solve the problems raised in the above background technology and provide a pond repair dam.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0009] A pond restoration dam comprises a filter dam arranged in a water channel and a solar-powered surface flow generator floating on the water surface, wherein the solar-powered surface flow generator is located in the upstream part of the water channel, and submerged plants are planted in the water channel;

[0010] The solar-powered surface flow generator comprises a solar panel, a support frame, a solar battery, a flow pump, an impeller and a symmetrical floating body, wherein a base is connected between the symmetrical floating bodies, an impeller is installed on the base, the flow pump is symmetrically arranged at the bottom of the floating body, the support frame is connected to the top of the floating body, the solar panel is installed on the top of the support frame, a square protective cover is connected to the inside of the support frame, and a solar battery is installed in the square protective cover;

[0011] The bottom of the filter dam is composed of porous filter bricks, the gaps between the porous filter bricks are filled with fillers, the top of the filter dam is composed of a soil layer, a filter material layer is arranged between the porous filter bricks and the soil layer, the filter material layer and both sides of the porous filter bricks are covered with ecological mats, symmetrical gabion stone cages are placed on both sides of the porous filter bricks, and aquatic plants are planted on the ecological mats.

[0012] Preferably, the solar-powered surface flow booster also includes a control system, which is installed in a square protective cover, and the control system, solar panels, solar batteries, flow booster pump and impeller are electrically conductively and communicatively connected.

[0013] Preferably, the ecological mat is made of two layers of geotextiles with filter material sandwiched in between.

[0014] Preferably, the filler is a lightweight filter material with phosphorus removal capability.

[0015] Preferably, the gabion cage is composed of gabion mesh wrapped with stone blocks.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. This device sets a solar-powered surface flow propeller upstream of the river. The axial flow and radial flow generated by the high-speed rotating flow propeller and impeller can eliminate the dead zone, ensure that the black and smelly water is in full contact with the microorganisms, avoid sludge accumulation, and increase the dissolved oxygen content in the entire reaction area, thereby effectively promoting the aerobic biodegradation process and improving the self-purification ability of the water body. At the same time, installing solar panels above the flow propeller can reduce energy consumption and maintain energy independence. The device can still operate in an emergency, with low energy consumption and low operating costs. It can also use the stored electricity to maintain operation under harsh conditions. It has the characteristics of novel and unique structure, easy construction, low energy consumption, and good use effect.

[0018] 2. This device sets up a lateral interception filter dam in the river channel. The filter dam adopts a porous medium ecological filter dam, with a porous filter brick permeable filter dam as the main body, filled with lightweight filter material specifically for phosphorus removal, which has the function of adsorbing harmful substances in the water and intercepting the solid matter flowing through. At the same time, it raises the water level to provide an adaptive living environment for the growth of submerged plants. Submerged plants can absorb and enrich nutrients in the water, such as nitrogen and phosphorus, thereby reducing the occurrence of eutrophication of water bodies and improving their purification capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the solar-type surface flow-making device in the utility model;

[0020] Figure 2 It is a schematic diagram of the filter dam structure in the utility model;

[0021] Figure 3 It is a top view of the filter dam structure in the utility model.

[0022] Reference numerals:

[0023] 1. Solar surface flow generator; 2. Filter dam; 3. Base; 4. Solar panel; 5. Support frame; 6. Solar battery; 7. Flow pump; 8. Impeller; 9. Float; 10. Control system; 11. Square protective cover; 12. Porous filter bricks; 13. Filler; 14. Soil layer; 15. Filter material layer; 16. Ecological mat; 17. Gabion stone cage. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-3 A pond restoration dam includes a filter dam 2 arranged in a water channel and a solar-powered surface flow generator 1 floating on the water surface. The solar-powered surface flow generator 1 is located in the upstream part of the river channel. The solar-powered surface flow generator 1 moves in the upstream part of the river to increase the oxygen content in the water flow. The filter dam 2 purifies the water passing through, intercepts solids in the water, and increases the height of the water to provide a suitable living environment for submerged plants. Submerged plants such as foxtail algae and Vallisneria are planted in the river channel. The roots of submerged plants secrete a large amount of organic matter and enzymes. These secretions and humus have a strong adsorption capacity for compounds containing various groups, and pollutants are degraded by the action of microorganisms.

[0026] refer to Figure 1 The solar surface flow generator 1 includes a solar panel 4, a support frame 5, a solar battery 6, a flow pump 7, an impeller 8 and a symmetrical float 9. A base 3 is connected between the symmetrical floats 9. An impeller 8 is installed on the base 3. The impeller 8 installed inside generates thrust, thereby promoting the flow of the water body, which can effectively increase the oxygen content of the water body. The high-speed rotation of the impeller 8 causes the water body to generate a strong rotation and shear force, so that the fluid has a certain flow rate, and is sprayed and diffused around at a certain angle at the bottom of the pool to form an annular mainstream belt. Because the flow rate of the mainstream belt is relatively large, the water around it is A turbulent flow area is formed around the floating body 9, so that the water body can fully contact with the microorganisms, and the dissolved oxygen content in the entire reaction area is increased. The plug flow pump 7 is symmetrically arranged at the bottom of the floating body 9, the support frame 5 is connected to the top of the floating body 9, and the solar panel 4 is installed on the top of the support frame 5. The inside of the support frame 5 is connected with a square protective cover 11, and the square protective cover 11 protects the control system 10 and the solar battery 6. At the same time, a sealing structure is provided to reduce the situation where humid air enters the inside. The solar battery 6 is installed in the square protective cover 11;

[0027] refer to Figure 2 and Figure 3 The bottom of the filter dam 2 is composed of porous filter bricks 12. The porous filter bricks 12 form a permeable filter dam 2 that intercepts the river channel horizontally. The gaps are filled with lightweight filter materials specifically for phosphorus removal. The filter materials are preferably lightweight filter materials with a density of 0.5kg / L. After the filter materials are placed in water and soaked and saturated with water, their density is close to that of water. They have a large specific surface area and adsorption function, and have a significant phosphorus removal effect. The parameters of the porous filter bricks 12 are a porosity of 20-25%, a compressive strength of not less than 10MPa, and a water permeability of 1-3cm / s. When making the filter dam 2, cement mortar is used as a bonding material, and the mortar thickness is 1.5 times the designed mortar joint thickness. The porous filter bricks 12 require mortaring and laying one by one to avoid the formation of cavities. The gaps between the porous filter bricks 12 are filled with fillers 13, the top of the filter dam 2 is composed of a soil layer 14, and vegetation is planted on the soil layer 14. A filter material layer 15 is arranged between the porous filter bricks 12 and the soil layer 14. The filter material layer 15 is composed of filter materials, such as quartz sand, etc. The filter material layer 15 and both sides of the porous filter bricks 12 are covered with ecological mats 16, which mainly intercept larger suspended matter in sewage and prevent the filter dam 2 from clogging. Symmetrical gabion stone cages 17 are placed on both sides of the porous filter bricks 12, and aquatic plants are planted on the ecological mats 16. By planting aquatic plants that have a strong purifying effect on sewage, the purification effect of the filter dam 2 on sewage is enhanced. At the same time, the use of gabion stone cages 17 can reduce the impact of water flow on plants.

[0028] Specifically, refer to Figure 1The solar surface flow generator 1 also includes a control system 10, through which the solar surface flow generator 1 is controlled accordingly. The control system 10 is installed in a square protective cover 11. The control system 10, the solar panel 4, the solar battery 6, the flow pump 7 and the impeller 8 are conductively connected and communicated.

[0029] Specifically, the ecological mat 16 is made of two layers of geotextiles with filter material sandwiched in between.

[0030] Specifically, the filler 13 is a lightweight filter material with phosphorus removal capability, preferably a lightweight filter material with a density of 0.5 kg / L, so that the density is close to that of the water phase after entering the water, which can maximize the adsorption capacity.

[0031] Specifically, the gabion cage 17 is composed of gabion mesh wrapped with stone blocks, which protects the slope foot, prevents water flow from eroding the dam foundation, and prevents the ecological mat 16 from sliding down under the drag force of water.

[0032] In this embodiment, the solar-powered surface flow generator 1 is located in the upstream part of the river channel, and the floating body 9 at the bottom allows the whole to float on the surface of the water flow. The solar-powered surface flow generator 1 generates electricity through the solar panel 4 at the top, and stores the excess electricity in the solar battery 6. The control system 10, the solar panel 4, the solar battery 6, the flow pump 7 and the impeller 8 are electrically connected to each other, so as to control the flow pump 7 to move. The flow pump 7 generates an axial vortex to stir the water at the bottom, so that the water can fully contact with the microorganisms, increase the dissolved oxygen content in the entire reaction area, thereby effectively promoting the aerobic biodegradation process, improving the self-purification ability of the water body, and avoiding the accumulation of sludge. The solar-powered surface flow generator 1 generates thrust through the rotation of the impeller 8, so that it can move in the upstream position to increase the effective area;

[0033] The square protective cover 11 protects the control system 10 and the solar battery 6 to reduce the impact of humid air on the internal components;

[0034] The filter dam 2 is arranged horizontally on the river channel, which can purify the flowing water and raise the water level on one side to provide favorable conditions for submerged plants. The water will first pass through the first layer of gabion stone cages 17, in which aquatic plants are planted. The water will be adsorbed by the aquatic plants first, and then pass through the ecological mat 16. After being adsorbed by the plants on the ecological mat 16 again, the water entering the filter dam 2 will be filtered by the porous filter bricks 12 and the filler 13, which can intercept suspended matter in the water, adsorb particulate matter and colloids in the water, and strengthen phosphorus removal. Then, the water will flow out of the filter dam 2 after passing through the ecological mat 16 and the gabion stone cages 17.

[0035] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A pond restoration dam, characterized in that: The invention comprises a filter dam (2) arranged in a water channel and a solar-powered surface flow generator (1) floating on the water surface, wherein the solar-powered surface flow generator (1) is located in the upstream part of the water channel, and submerged plants are planted in the water channel; The solar-powered surface flow generator (1) comprises a solar panel (4), a support frame (5), a solar battery (6), a flow pump (7), an impeller (8) and a symmetrical floating body (9), wherein a base (3) is connected between the symmetrical floating bodies (9), an impeller (8) is installed on the base (3), the flow pump (7) is symmetrically arranged at the bottom of the floating body (9), the support frame (5) is connected to the top of the floating body (9), the solar panel (4) is installed on the top of the support frame (5), the interior of the support frame (5) is connected to a square protective cover (11), and the solar battery (6) is installed in the square protective cover (11); The bottom of the filter dam (2) is composed of porous filter bricks (12), the gaps between the porous filter bricks (12) are filled with fillers (13), the top of the filter dam (2) is composed of a soil layer (14), a filter material layer (15) is arranged between the porous filter bricks (12) and the soil layer (14), both sides of the filter material layer (15) and the porous filter bricks (12) are covered with ecological mats (16), symmetrical gabion stone cages (17) are placed on both sides of the porous filter bricks (12), and aquatic plants are planted on the ecological mats (16).

2. A pond repair dam according to claim 1, characterized in that: The solar-powered surface flow-making device (1) further comprises a control system (10), wherein the control system (10) is installed in a square protective cover (11), and the control system (10), the solar panel (4), the solar storage battery (6), the flow-making pump (7) and the impeller (8) are connected in an electrically conductive communication manner.

3. The pond repair dam according to claim 1, characterized in that: The ecological mat (16) is made of two layers of geotextiles with filter material sandwiched in between.

4. The pond repair dam according to claim 1, characterized in that: The filler (13) is a light filter material with phosphorus removal function.

5. The pond repair dam according to claim 1, characterized in that: The gabion cage (17) is composed of gabion nets wrapped with blocks of stone.

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