River and lake water quality improvement device with floating island type super-nano reoxygenation

Abstract

The utility model belongs to sewage treatment technical field, the utility model discloses a kind of river and lake water quality improvement devices of floating island type super-nano reoxygenation, including floating body and water quality floating monitoring station, the top of floating body is provided with equipment cabin and control cabinet, and super-nano gas-dissolved reoxygenation host is arranged in equipment cabin, and the periphery of floating body is provided with adjusting aeration device, adjusting aeration device includes vertical lifting frame, folding aeration structure and lifting drive device;The utility model generates nanometer bubble through super-nano gas-dissolved reoxygenation host, compared with millimeter bubble of traditional aeration technology, with greater specific surface area and longer residence time, significantly improve oxygen transfer efficiency;While generating with strong oxidizing hydroxyl radical (·OH), it can efficiently promote oxidation and decomposition of organic matter, sulfide and other, strengthen water purification capacity, solve the problem of low oxygen transfer efficiency of traditional aeration, difficult to sustainably control redox environment.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to a floating island-type ultra-nano oxygenation device for improving river and lake water quality. Background Technology

[0002] Hypoxia in water is a major cause of black and odorous rivers. Aeration is a rapid, efficient, simple, and easy-to-implement measure for the prevention and control of river and lake water pollution. Choosing an appropriate aeration method is a crucial technical step in the biological remediation of black and odorous rivers.

[0003] Artificial aeration, as a phased treatment measure, is suitable for maintaining water quality after remediation, and for emergency and temporary use in the event of sudden pollution in treated rivers before the construction of sewage interception pipelines and sewage treatment plants. Artificial aeration accelerates the reoxygenation process of water bodies, effectively increases the dissolved oxygen (DO) level in local water bodies, keeps the self-purification process in an aerobic state, and enhances the activity of aerobic microorganisms; it inhibits the production of blackening and odor-causing substances such as H2S, CH4S, and FeS during the anaerobic degradation of organic matter; and it inhibits the release of nitrogen and phosphorus from bottom sediments, thus purifying pollutants in the water and improving the water quality of rivers and lakes.

[0004] However, existing common aeration equipment often relies on the rotation and shearing of impellers to generate bubbles, resulting in relatively large bubbles (millimeter-level) and making it only suitable for shallow water bodies. Blower aeration uses a blower to directly introduce gas into the water through diffuser plates or diffuser pipes, with bubbles forming at the aerator outlet. The size of the bubbles depends on the outlet diameter, resulting in short residence time in the water and high energy consumption. Jet aeration uses a water pump to supply oxygen via a jet aerator, resulting in large, unevenly distributed bubbles. Push-flow aerators utilize the forces of aeration, mixing, and propulsion for aeration, producing relatively large bubbles that cannot achieve precise oxygen supply to deep, anoxic areas. All these aeration technologies produce large bubbles, have low oxygen mass transfer efficiency, and short residence times, making it difficult to achieve deep water reoxygenation and continuous redox environment control. Utility Model Content

[0005] The purpose of this invention is to provide a floating island-type ultra-nano oxygenation device for improving river and lake water quality, aiming to solve the aforementioned technical problems existing in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A floating island-type ultra-nano reoxygenation device for improving river and lake water quality includes a floating hull and a floating water quality monitoring station. The top of the floating hull is equipped with an equipment compartment and a control cabinet. The equipment compartment is equipped with an ultra-nano dissolved aeration host. The floating hull is surrounded by an adjustable aeration device, which includes a vertical lifting frame, a folding aeration structure, and a lifting drive device. The vertical lifting frame is located around the bottom of the floating hull and is driven by the lifting drive device to move vertically toward or away from the bottom of the floating hull.

[0008] The folding aeration structure includes two first aeration pipes and two second aeration pipes, which form a rectangular structure. The first and second aeration pipes are connected by a connecting hose. A flipping mechanism is fixedly installed near both ends of the first and second aeration pipes. The bottom of the flipping mechanism is rotatably connected to the vertical lifting frame. The flipping mechanism drives the first or second aeration pipe to flip downward by 90 degrees under its own gravity, and drives the first or second aeration pipe to flip upward by 90 degrees by pressing down its rear end at the bottom of the floating hull.

[0009] The output end of the ultra-nano aerosol reoxygenation host is connected to either the first aeration pipe or the second aeration pipe.

[0010] In a preferred embodiment of the present invention, the vertical lifting frame includes a mounting base frame, and lifting rods are fixedly installed in the middle of the two short sides of the mounting base frame in the vertical direction. Guide sleeves are sleeved on the outside of the lifting rods, and the guide sleeves are fixedly installed on the short side surfaces around the hull of the floating vessel.

[0011] In a preferred embodiment of this utility model, the lifting drive device includes two first guide rods and two second guide rods. The first guide rods and the second guide rods are horizontally disposed at the bottom and top of the long side surface around the floating hull. A first slider and a second slider are sleeved on the surface of the first guide rod and the second guide rod on the same side. A pry bar is hinged between the first slider and the second slider. The middle part of the pry bar is rotatably connected to the long side surface around the floating hull through a shaft. The two first sliders are fixedly connected by a tube. Any one of the second sliders is hinged to the telescopic end of a hydraulic cylinder through a shaft. The hydraulic cylinder is fixedly installed on the top surface of the floating hull parallel to the second guide rod.

[0012] In a preferred embodiment of this utility model, an assist spring is sleeved on the outside of the first guide rod. The assist spring is connected to the end of the first guide rod between the first slider and below the pry bar.

[0013] In a preferred embodiment of this utility model, the flipping mechanism includes an L-shaped rod. The bottom of the horizontal rod of the L-shaped rod is hinged to the top of the rotating seat near the inflection point. The bottom of the rotating seat is fixedly installed to the mounting base frame. A fixing sleeve is fixedly installed on the top of the vertical rod of the L-shaped rod. The fixing sleeve is fixedly connected to the first aeration pipe or the second aeration pipe. A downwardly inclined guide portion is provided at the end of the horizontal rod of the L-shaped rod. Pressure rods are provided around the hull corresponding to the L-shaped rod. The pressure rods press against the top surface of the horizontal rod of the L-shaped rod.

[0014] In a preferred embodiment of this utility model, a counterweight is suspended at the inflection point of the L-shaped rod by a cable.

[0015] In a preferred embodiment of this utility model, the input end of the ultra-nano dissolved oxygenation host is provided with a water inlet pipe, which extends into the water body and is fixedly installed with the output end of the water pump. The output end of the ultra-nano dissolved oxygenation host is provided with a water outlet pipe, which is connected to the first aeration pipe or the second aeration pipe.

[0016] In a preferred embodiment of this utility model, the hydraulic cylinder, the ultra-nano dissolved oxygenation host, and the water quality flotation monitoring station are all electrically connected to the control cabinet via wires.

[0017] The beneficial effects of this utility model are:

[0018] 1. Improved reoxygenation efficiency and treatment effect: The ultra-nano dissolved oxygenation unit generates nano-sized bubbles, which have a larger specific surface area and longer residence time compared with the millimeter-sized bubbles of traditional aeration technology, significantly improving oxygen mass transfer efficiency. At the same time, the generation of strong oxidizing hydroxyl radicals (・OH) can efficiently promote the oxidative decomposition of organic matter, sulfides and other substances, enhance the water purification capacity, and solve the problems of low oxygen mass transfer efficiency and difficulty in continuously controlling the redox environment of traditional aeration.

[0019] 2. Achieving multi-dimensional coverage and deep reoxygenation: With the help of the vertical lifting frame of the adjustable aeration device, the underwater depth of the folded aeration structure can be precisely adjusted, breaking through the limitations of shallow aeration and achieving precise oxygen supply to the deep oxygen-deficient areas of the water body; the folded aeration structure can be flipped down 90 degrees through the flipping mechanism to form a rectangular aeration range. Combined with the mobility of the floating hull, it achieves dual-dimensional coverage of vertical stratified oxygen supply and horizontal circulation diffusion, solving the problems of limited aeration range and difficulty in simultaneously treating deep and large-scale water bodies with traditional equipment.

[0020] 3. Enhanced equipment flexibility and applicability: The floating hull design allows the equipment to be moved (self-powered or towed), overcoming the limitations of shore-based equipment in treating the middle of wide waters; the folding aeration structure can be automatically retracted through a flipping mechanism when moving, reducing water resistance and improving equipment mobility; suitable for various scenarios such as emergency treatment of black and odorous rivers and water quality maintenance after treatment.

[0021] 4. Intelligent energy saving and convenient operation: Combining real-time data from the water quality floating monitoring station, the control cabinet can automatically adjust the aeration intensity to achieve on-demand oxygen supply and reduce energy consumption; the lifting drive device uses a hydraulic cylinder and a pry bar in conjunction with a booster spring to improve the stability of depth adjustment; the flipping mechanism uses a counterweight and a floating hull pressure bar to achieve automatic folding and unfolding without power, simplifying operation and improving equipment operating efficiency. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the aeration device;

[0023] Figure 2 This is a schematic diagram of the overall front view structure of this utility model;

[0024] Figure 3 This is a top view schematic diagram of the overall structure of this utility model;

[0025] Figure 4 This is a schematic diagram of the planar cross-sectional structure of the flipping mechanism.

[0026] Reference numerals are provided in the attached figures; where: 1. Floating hull; 2. Adjustable aeration device; 21. Folding aeration structure; 211. First aeration pipe; 212. Connecting hose; 213. Second aeration pipe; 22. Vertical lifting frame; 221. Lifting rod; 222. Guide sleeve; 223. Mounting base frame; 23. Lifting drive device; 231. Second slider; 232. First guide rod; 233. Assist spring; 234. Pry bar; 235. Second guide rod; 236. Hydraulic cylinder; 237. First slider; 24. Tilting mechanism; 241. Fixing sleeve; 242. L-shaped rod; 243. Pressure rod; 244. Rotating seat; 245. Counterweight; 246. Guide part; 3. Ultra-nano dissolved oxygenation main unit; 31. Water outlet pipe; 32. Water inlet pipe; 33. Water inlet pump; 4. Control cabinet; 5. Water quality floating monitoring station; 6. Equipment compartment. Detailed Implementation

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the present utility model will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the accompanying drawings is only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. It should be noted that the description of these embodiments is used to help understand this utility model, but does not constitute a limitation on this utility model.

[0028] Example:

[0029] like Figure 1-4 This embodiment provides a floating island-type ultra-nano reoxygenation device for improving river and lake water quality, including a floating hull 1 and a floating water quality monitoring station 5. The top of the floating hull 1 is equipped with an equipment compartment 6 and a control cabinet 4. The equipment compartment 6 is equipped with an ultra-nano dissolved oxygenation host 3. The floating hull 1 is surrounded by an adjustable aeration device 2. The adjustable aeration device 2 includes a vertical lifting frame 22, a folding aeration structure 21 and a lifting drive device 23. The vertical lifting frame 22 is located around the bottom of the floating hull 1. The vertical lifting frame 22 is driven by the lifting drive device 23 to move vertically towards or away from the bottom of the floating hull 1.

[0030] The folding aeration structure 21 includes two first aeration pipes 211 and two second aeration pipes 213. The two first aeration pipes 211 and the two second aeration pipes 213 form a rectangular structure. The first aeration pipes 211 and the second aeration pipes 213 are connected by a connecting hose 212. A flipping mechanism 24 is fixedly installed near both ends of the first aeration pipes 211 and the second aeration pipes 213. The bottom of the flipping mechanism 24 is rotatably connected to the vertical lifting frame 22. The flipping mechanism 24 drives the first aeration pipe 211 or the second aeration pipe 213 to flip downward by 90 degrees by its own gravity. The bottom of the floating hull 1 presses down on its rear end, driving the first aeration pipe 211 or the second aeration pipe 213 to flip upward by 90 degrees.

[0031] The output end of the ultra-nano aerosol reoxygenation host 3 is connected to any one of the first aeration pipes 211 or the second aeration pipe 213.

[0032] Specifically, such as Figure 1-3 As shown, the ultra-nano dissolved oxygenation host 3 efficiently dissolves oxygen into water through a pressurized container, and introduces supersaturated dissolved oxygen water into the water body in the form of nano-bubbles. The nano-bubbles have an ultra-large specific surface area and an ultra-long residence time. The ultra-nano aeration device generates hydroxyl radicals (·OH) with strong oxidizing power while generating bubble reoxygenation, which promotes the oxidation and decomposition of organic matter and sulfides, which is superior to ordinary mechanical aeration that only provides oxygen.

[0033] To further improve the wastewater treatment effect of the ultra-nano dissolved oxygenation unit 3 and change the current situation where ultra-nano dissolved oxygenation equipment can only be built on the shore and has low treatment efficiency in the central area of ​​wide waters, this device is mounted on a movable floating hull 1. The floating hull 1 can be self-powered or towed by other vessels. At the same time, adjustable aeration devices 2 are set around the floating hull 1. The structure of the folding aeration structure 21, the vertical lifting frame 22 and the lifting drive device 23 are coordinated to make the adjustable aeration device 2 adjustable in depth, breaking through the single mode of planar aeration. At the same time, by connecting the first aeration pipe 211 and the second aeration pipe 213 through the connecting hose 212, the folding aeration structure 21 can be flipped down 90 degrees by the flipping mechanism 24 to expand the aeration range, thereby achieving a two-dimensional coverage of vertical stratified oxygen supply and horizontal circulation diffusion. When the floating hull 1 moves, the folding aeration structure 21 of the adjustable aeration device 2 is folded up, thereby reducing its resistance in the water.

[0034] This wastewater treatment device can provide power to the ultra-nano dissolved oxygenation host by installing solar panels, or it can provide electricity through generators and other technical means. At the same time, based on the real-time water quality monitoring data of the water quality floating monitoring station 5, it can automatically adjust the aeration intensity according to the detected water quality parameters to achieve energy saving and environmental protection.

[0035] In a preferred embodiment of the present invention, the vertical lifting frame 22 further includes a mounting base frame 223, and lifting rods 221 are fixedly installed in the middle of the two short sides of the mounting base frame 223 in the vertical direction. Guide sleeves 222 are sleeved on the outside of the lifting rods 221, and the guide sleeves 222 are fixedly installed on the short side surfaces around the floating hull 1.

[0036] In a preferred embodiment of this utility model, the lifting drive device 23 further includes two first guide rods 232 and two second guide rods 235. The first guide rods 232 and the second guide rods 235 are respectively arranged horizontally at the bottom and top of the long side surface around the floating hull 1. The surfaces of the first guide rods 232 and the second guide rods 235 on the same side are fitted with first sliders 237 and second sliders 231. A pry bar 234 is hinged between the first sliders 237 and the second sliders 231. The middle part of the pry bar 234 is rotatably connected to the long side surface around the floating hull 1 through a shaft. The two first sliders 237 are fixedly connected by a tube. Any one of the second sliders 231 is hinged to the telescopic end of the hydraulic cylinder 236 through a shaft. The hydraulic cylinder 236 is fixedly installed on the top surface of the floating hull 1 parallel to the second guide rods 235.

[0037] In a preferred embodiment of the present invention, a booster spring 233 is further sleeved on the outside of the first guide rod 232. The booster spring 233 is connected to the end of the first guide rod 232 between the first slider 237 and below the pry bar 234.

[0038] Specifically, such as Figure 1-2 As shown, the second slider 231 is driven to slide on the surface of the second guide rod 235 by the telescopic shaft of the hydraulic cylinder 236, thereby driving the pry bar 234 to rotate around the hinge point with the floating hull 1 as the fulcrum, and driving the first slider 237 hinged at its bottom end to slide along the first guide rod 232. At the same time, the compression spring 233 stores force to provide assistance for the lifting process of the vertical lifting frame 22. The rotation of the pry bar 234 pushes the mounting base frame 223 away from the bottom of the floating hull 1 in the vertical direction. By controlling the extension and retraction of the hydraulic cylinder 236, the depth of the folded aeration structure 21 installed on the mounting base frame 223 into the water can be precisely controlled.

[0039] In a preferred embodiment of this utility model, the flipping mechanism 24 further includes an L-shaped rod 242. The bottom of the horizontal rod of the L-shaped rod 242 is hinged to the top of the rotating seat 244 near the inflection point. The bottom of the rotating seat 244 is fixedly installed to the mounting base frame 223. A fixing sleeve 241 is fixedly installed on the top of the vertical rod of the L-shaped rod 242. The fixing sleeve 241 is fixedly connected to the first aeration pipe 211 or the second aeration pipe 213. The horizontal rod end of the L-shaped rod 242 is provided with a downwardly inclined guide part 246. Pressure rods 243 are provided around the hull 1 corresponding to the L-shaped rod 242. The pressure rods 243 press against the top surface of the horizontal rod of the L-shaped rod 242.

[0040] In a preferred embodiment of the present invention, a counterweight 245 is further suspended at the inflection point of the L-shaped rod 242 by a cable.

[0041] Specifically, such as Figure 1 , 4 As shown, in order to achieve the automatic extension and retraction of the folded aeration structure 21 without power, a flipping mechanism 24 is set on the top surface of the mounting base frame 223 at both ends of the first aeration pipe 211 and the second aeration pipe 213. By hinged to the horizontal bottom of the L-shaped rod 242 with the mounting base frame 223, it can be flipped outward by 90 degrees, so that each folded aeration pipe can be flipped outward and extended, thereby expanding the aeration range. At the same time, in order to prevent the aeration pipe from being inflexible when flipping downward, a counterweight 245 is suspended at the bottom inflection point of the L-shaped rod 242, so that it can be quickly flipped downward and extended by gravity.

[0042] When aeration is complete, each aeration pipe is lifted by the vertical lifting frame 22. When it approaches the bottom of the floating hull 1, the pressure rods 243, which are set around the flipping mechanism 24, first contact the guide part 246 of the L-shaped rod 242. As the mounting base frame 223 continues to approach the bottom of the floating hull 1, the pressure rods 243, which are set around the L-shaped rod 242, flip them upwards by 90 degrees to reset them. At the same time, the aeration pipes are retracted to facilitate the movement of the floating hull 1.

[0043] In a preferred embodiment of the present invention, the input end of the ultra-nano dissolved oxygenation host 3 is provided with a water inlet pipe 32, which extends into the water body and is fixedly installed with the output end of the water inlet pump 33. The output end of the ultra-nano dissolved oxygenation host 3 is provided with a water outlet pipe 31, which is connected to the first aeration pipe 211 or the second aeration pipe 213.

[0044] In a preferred embodiment of this utility model, the hydraulic cylinder 236, the ultra-nano dissolved oxygenation host 3, and the water quality floating monitoring station 5 are all electrically connected to the control cabinet 4 via wires.

[0045] Specifically, such as Figure 2 As shown, the electrical units are controlled by the control cabinet 4. It should be noted that the control part uses existing technology, and the control principle and electrical components are all existing technologies, which will not be described in detail here.

[0046] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A floating island-type ultra-nano oxygenation device for improving river and lake water quality, characterized in that, The floating hull (1) and the floating water quality monitoring station (5) are included. The top of the floating hull (1) is provided with an equipment compartment (6) and a control cabinet (4). The equipment compartment (6) is provided with an ultra-nano dissolved oxygenation host (3). The floating hull (1) is provided with an adjustable aeration device (2) around its perimeter. The adjustable aeration device (2) includes a vertical lifting frame (22), a folding aeration structure (21), and a lifting drive device (23). The vertical lifting frame (22) is located around the bottom of the floating hull (1). The vertical lifting frame (22) is driven by the lifting drive device (23) to move vertically towards or away from the bottom of the floating hull (1). The folding aeration structure (21) includes two first aeration pipes (211) and two second aeration pipes (213). The two first aeration pipes (211) and the two second aeration pipes (213) form a rectangular structure. The first aeration pipes (211) and the second aeration pipes (213) are connected by a connecting hose (212). The first aeration pipes (211) and the second aeration pipes (213) are fixedly installed with a flipping mechanism (24) near both ends. The bottom of the flipping mechanism (24) is rotatably connected to the vertical lifting frame (22). The flipping mechanism (24) drives the first aeration pipe (211) or the second aeration pipe (213) to flip downward by 90 degrees by its own gravity. The bottom of the floating hull (1) presses down on its rear end, driving the first aeration pipe (211) or the second aeration pipe (213) to flip upward by 90 degrees. The output end of the ultra-nano dissolved oxygenation host (3) is connected to any one of the first aeration pipes (211) or the second aeration pipe (213).

2. The floating island-type ultra-nano reoxygenation river and lake water quality improvement device according to claim 1, characterized in that, The vertical lifting frame (22) includes a mounting base frame (223). Lifting rods (221) are fixedly installed in the middle of the two short sides of the mounting base frame (223) along the vertical direction. A guide sleeve (222) is sleeved on the outside of the lifting rod (221). The guide sleeve (222) is fixedly installed on the short side surface around the floating hull (1).

3. The floating island-type ultra-nano reoxygenation river and lake water quality improvement device according to claim 2, characterized in that, The lifting drive device (23) includes two first guide rods (232) and two second guide rods (235). The first guide rods (232) and the second guide rods (235) are respectively arranged horizontally at the bottom and top of the long side surface around the floating hull (1). The first guide rods (232) and the second guide rods (235) on the same side are fitted with a first slider (237) and a second slider (231). A pry bar (234) is hinged between the first slider (237) and the second slider (231). The middle part of the pry bar (234) is rotatably connected to the long side surface around the floating hull (1) through a shaft. The two first sliders (237) are fixedly connected by a tube. Any one of the second sliders (231) is hinged to the telescopic end of the hydraulic cylinder (236) through a shaft. The hydraulic cylinder (236) is fixedly installed on the top surface of the floating hull (1) parallel to the second guide rod (235).

4. The floating island-type ultra-nano reoxygenation river and lake water quality improvement device according to claim 3, characterized in that, An assist spring (233) is sleeved on the outside of the first guide rod (232). The assist spring (233) is connected to the end of the first guide rod (232) between the first slider (237) and below the pry bar (234).

5. The floating island-type ultra-nano reoxygenation river and lake water quality improvement device according to claim 3, characterized in that, The flipping mechanism (24) includes an L-shaped rod (242). The bottom of the horizontal rod of the L-shaped rod (242) is hinged to the top of the rotating seat (244) near the inflection point. The bottom of the rotating seat (244) is fixedly installed to the mounting base frame (223). A fixing sleeve (241) is fixedly installed on the top of the vertical rod of the L-shaped rod (242). The fixing sleeve (241) is fixedly connected to the first aeration pipe (211) or the second aeration pipe (213). The horizontal rod end of the L-shaped rod (242) is provided with a downwardly inclined guide part (246). Pressure rods (243) are provided around the hull (1) corresponding to the L-shaped rod (242). The pressure rods (243) are pressed against the top surface of the horizontal rod of the L-shaped rod (242).

6. The floating island-type ultra-nano reoxygenation river and lake water quality improvement device according to claim 5, characterized in that, A counterweight (245) is suspended at the inflection point of the L-shaped rod (242) by a cable.

7. The floating island-type ultra-nano reoxygenation river and lake water quality improvement device according to claim 6, characterized in that, The input end of the ultra-nano dissolved oxygenation host (3) is provided with a water inlet pipe (32), which extends into the water body and is fixedly installed at the output end of the water pump (33). The output end of the ultra-nano dissolved oxygenation host (3) is provided with a water outlet pipe (31), which is connected to the first aeration pipe (211) or the second aeration pipe (213).

8. The floating island-type ultra-nano reoxygenation river and lake water quality improvement device according to claim 3, characterized in that, The hydraulic cylinder (236), the ultra-nano dissolved oxygenation host (3), and the water quality floating monitoring station (5) are all electrically connected to the control cabinet (4) via wires.

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