CN218968963U - Blue algae bloom prevention and treatment device - Google Patents

Abstract

The utility model relates to the technical field of blue algae bloom treatment, in particular to a blue algae bloom control device. The device sets up in the upper reaches of rivers, including vertical honeycomb duct, fan and the trachea of connecting vertical honeycomb duct and fan, the both ends opening of vertical honeycomb duct, and the lower extreme of vertical honeycomb duct stretches into in the water, and the upper end of vertical honeycomb duct sets up in water top layer or surface of water top. The device can form a faster flow field environment around the upper end of the flow guide pipe, and the faster flow field environment can inhibit the growth of blue algae bloom and the formation of bloom because the blue algae bloom needs hydrodynamic conditions with low fluidity. In addition, this device is through drawing lower floor's water to the surface of water, can show the reduction surface of water pH value, makes the water can keep below the standard value. Compared with the existing manual water bloom salvaging treatment mode, when the device provided by the application is used for treating the blue algae water bloom, manual operation is not needed, the labor intensity is low, the safety is high, and the operation is convenient and quick.

Description

Blue algae bloom prevention and treatment device

Technical Field

The utility model relates to the technical field of blue algae bloom treatment, in particular to a blue algae bloom control device.

Background

In some nutrient-rich water bodies, a great deal of blue algae is propagated, and a layer of blue-green and foul-smelling floating foam is formed on the water surface, which is called as water bloom. The cyanobacterial bloom can cause water quality deterioration, and in order to prevent the problem that the cyanobacterial bloom affects the water quality, the conventional mode is to manually salvage the bloom in water at regular intervals.

The manual salvaging mode needs a worker to frequently check the blue algae propagation condition, timely cleans the water bloom, has the defects of high labor intensity, repeated operation and the like, and has potential safety hazard because the worker needs to clean the water bloom on a ship.

Disclosure of Invention

The utility model aims to provide a blue algae bloom control device, which aims to solve the technical problems of high labor intensity and potential safety hazard in the treatment of blue algae bloom in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the blue algae bloom prevention and control device is arranged at the upstream of water flow and comprises a vertical guide pipe, a fan and an air pipe connected with the vertical guide pipe and the fan, wherein two ends of the vertical guide pipe are open, the lower end of the vertical guide pipe stretches into a water body, and the upper end of the vertical guide pipe is arranged on the surface layer of the water body or above the water surface.

Further, the device also comprises a transverse flow guide pipe with two openings at two ends, and one end of the transverse flow guide pipe is communicated with the upper end of the vertical flow guide pipe.

Further, the air-water separator also comprises an air-water flow groove, wherein the lower end of the air-water flow groove is communicated with the vertical guide pipe, the upper end of the air-water flow groove is provided with an air outlet for air outflow, and the side surface of the air-water flow groove is provided with a water outlet for water outflow.

Further, the lower extreme of gas-water launder is provided with the body subassembly, gas-water launder passes through the body subassembly floats in the water top layer.

Further, a fixed anchor chain is connected to the floating body component.

Further, the air conditioner further comprises a mounting platform, wherein the mounting platform is arranged above the vertical diversion pipe, and the fan is arranged on the mounting platform;

the installation platform lower extreme is provided with the body subassembly, the installation platform passes through the body subassembly floats in the water surface.

Further, the blue algae bloom prevention and control device also comprises photovoltaic power generation equipment arranged on the mounting platform, wherein the photovoltaic power generation equipment utilizes solar energy to supply power to the blue algae bloom prevention and control device.

Further, the number of the vertical guide pipes is multiple;

the cyanobacteria bloom control device further comprises a flow collecting groove, two ends of the flow collecting groove are both open, and one open end of the flow collecting groove is communicated with the upper ends of the vertical flow guide pipes.

Further, the air pipe extends into the vertical flow guide pipe from the lower end opening of the vertical flow guide pipe; the air pipe is provided with a plurality of air outlet pipes, and the air outlet pipes are distributed along the vertical direction.

Further, the depth range of the lower end of the vertical flow guide pipe from the water surface is 5-15 meters.

The utility model has the beneficial effects that:

the utility model provides a blue algae bloom prevention and treatment device which is arranged at the upstream of water flow and comprises a vertical guide pipe, a fan and an air pipe for connecting the vertical guide pipe and the fan, wherein two ends of the vertical guide pipe are open, the lower end of the vertical guide pipe extends into a water body, and the upper end of the vertical guide pipe is arranged on the surface layer of the water body or above the water surface. When the device works, gas is injected into the vertical flow guide pipe through the fan and the air pipe, and the water at the lower layer of the water body can be continuously lifted to the surface layer of the water body through the flow guide pipe by utilizing the gas stripping principle, so that a faster flow field environment is formed at the upper end of the flow guide pipe, and the water bloom growth and the water bloom formation of the blue algae can be inhibited by the faster flow field environment because the blue algae needs a hydrodynamic condition with low fluidity. In addition, this device is through drawing lower floor's water to the surface of water, can show the reduction surface of water pH value, makes the water can keep below the standard value. Compared with the existing manual water bloom salvaging treatment mode, when the device provided by the application is used for treating the blue algae water bloom, manual operation is not needed, the labor intensity is low, the safety is high, and the operation is convenient and quick.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic front view of a cyanobacterial bloom control device according to an embodiment of the present utility model;

fig. 2 is a schematic side view of a cyanobacterial bloom control device according to an embodiment of the present utility model;

fig. 3 is a schematic top view of a cyanobacterial bloom control device according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of an internal structure of a vertical draft tube in a cyanobacterial bloom control apparatus according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a cyanobacterial bloom control device according to a second embodiment of the present utility model;

fig. 6 is a schematic diagram of the front view structure of a gas-water diversion trench and a vertical diversion trench in a cyanobacteria bloom control apparatus according to a second embodiment of the present utility model;

fig. 7 is a schematic side view of a gas-water diversion trench and a vertical diversion trench in a cyanobacteria bloom control apparatus according to a second embodiment of the present utility model;

fig. 8 is a schematic diagram of a connection structure of a vertical draft tube, a gas-water flow groove and a flow collecting groove in a cyanobacteria bloom control device according to a second embodiment of the present utility model.

Icon:

1-a vertical honeycomb duct; 2-a fan; 3-trachea; 31-an air outlet pipe; 32-gas shower; 4-a transverse flow guide pipe; 5-a gas-water launder; 51-air outlet; 52-a water outlet; a 6-float assembly; 61-securing the anchor chain; 7-a mounting platform; 8-a photovoltaic power generation device; 81-a bracket; 82-photovoltaic panel; 9-equipment room; 10-a honeycomb duct bracket; 11-a collecting groove; 12-collecting conduit; 121-a current collecting catheter holder; 122-pontoon.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the description of the present utility model, the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

It should be noted that, in the description of the present utility model, the terms "connected" and "mounted" should be understood in a broad sense, and for example, may be a fixed connection, a detachable connection, or an integral connection; can be directly connected or connected through an intermediate medium; either mechanically or electrically. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Referring to fig. 1 to 3, the embodiment provides a cyanobacterial bloom control device, the device is arranged at the upstream of water flow, and comprises a vertical flow guide pipe 1, a fan 2 and an air pipe 3 for connecting the vertical flow guide pipe 1 and the fan 2, two ends of the vertical flow guide pipe 1 are opened, the lower end of the vertical flow guide pipe 1 stretches into a water body, and the upper end of the vertical flow guide pipe 1 is arranged on the surface layer of the water body or above the water surface.

When the device works, gas is injected into the vertical flow guide pipe 1 through the fan 2 and the air pipe 3, the gas stripping principle is utilized (namely, after the gas enters the vertical flow guide pipe 1, the liquid inside and outside the vertical flow guide pipe 1 has density difference, the liquid is lifted by utilizing the density difference), so that water in the lower layer of the water body can be continuously lifted to the surface layer of the water body through the vertical flow guide pipe 1, a faster flow field environment is formed around the upper end of the vertical flow guide pipe 1, and the water bloom of blue algae can be restrained from growing and forming due to the hydrodynamic condition of low fluidity required by the formation of the blue algae. In addition, when algae biomass is high, photosynthesis can lead to the increase of the pH value of surface water after absorbing a large amount of carbon dioxide, the pH value of water often exceeds the water quality standard (PH > 9.0) of V-type water, and the pH value of water gradually decreases along with the depth of the water body; the device can obviously reduce the pH value of the water surface by pumping the lower water to the water surface, so that the water can be kept below the standard value. Compared with the existing manual water bloom salvaging treatment mode, when the device provided by the application is used for treating the blue algae water bloom, manual operation is not needed, the labor intensity is low, the safety is high, and the operation is convenient and quick.

In general, blue algae growth and reproduction are inhibited when the hydraulic retention time is <5 days; when the hydraulic retention time is less than 15 days, blue algae are difficult to form bloom. The starting time of the cyanobacteria bloom control device can be controlled according to the formation conditions of cyanobacteria bloom. Illustratively, in the cyanobacteria-rich season (6-9 months in summer), the cyanobacteria bloom control device is set to be turned on every 3-8 days. The actual working time can be adjusted according to local requirements, and is not limited herein.

Further, the device also comprises a transverse flow guide pipe 4 with two open ends, one end of the transverse flow guide pipe 4 is communicated with the upper end of the vertical flow guide pipe 1, and the other end of the transverse flow guide pipe 4 can face the direction of water flow. The transverse flow guide pipe 4 plays a role in guiding water flow, and water flowing out of the upper end of the vertical flow guide pipe 1 flows out through the transverse flow guide pipe 4.

The device provided in the embodiment further comprises a mounting platform 7, wherein the mounting platform 7 is arranged above the vertical flow guide pipe 1, and the fan 2 is arranged on the mounting platform 7; the lower extreme of mounting platform 7 is provided with body of float subassembly 6, and mounting platform 7 floats in the water surface through body of float subassembly 6. Through the setting, the fan 2 can be placed above the vertical honeycomb duct 1, and the fan 2 is not required to be arranged on the bank, so that the length of the air pipe 3 can be reduced, and the installation and the use are convenient.

Optionally, the mounting platform 7 comprises a support frame formed by splicing stainless steel profiles and a mounting plate arranged above the support frame. The float assembly 6 comprises one or more reinforced PVC-filled foam blocks; when the float assembly 6 includes a plurality of reinforced PVC packing foam blocks, the plurality of reinforced PVC packing foam blocks are distributed at a plurality of corners of the support frame.

Further, an equipment room 9 is arranged on the mounting platform 7, and the fan 2 and other mounting parts are arranged in the equipment room 9; the equipment room 9 plays a role in protecting the fan 2 and other installation parts, and operators can enter the equipment room 9 for installation and control.

On the basis of the structure, the device also comprises photovoltaic power generation equipment 8 arranged on the mounting platform 7, and the photovoltaic power generation equipment 8 utilizes solar energy to supply power to the cyanobacteria bloom control device. The photovoltaic power generation device 8 comprises a bracket 81 and a photovoltaic panel 82 arranged on the bracket 81, and the lower end of the bracket 81 is connected to the mounting platform 7. In the present embodiment, the number of the photovoltaic panels 82 is plural, and the plurality of photovoltaic panels 82 are distributed around the circumference of the equipment room 9. The photovoltaic power generation equipment 8 is used for supplying power to the fan 2 and other electric devices, long-distance power supply is not needed, and the equipment can be quickly disassembled and assembled, and is energy-saving and environment-friendly.

The cyanobacteria bloom control device can be matched with a remote control monitoring system of equipment, and can monitor running electric quantity, running time, water discharge and other data of the equipment in real time.

Optionally, the vertical draft tube 1 is a telescopic bellows. The telescopic corrugated pipe has the function of folding and telescoping, and the length of the vertical honeycomb duct 1 can be adjusted according to actual requirements.

In this embodiment, the depth range of the lower end of the vertical draft tube 1 from the water surface is 5-15 meters.

Referring to fig. 4, since the vertical draft tube 1 employs a flexible bellows, it may swing under the impact of water flow. Thus, the apparatus described herein further includes a draft tube holder 10. The upper end of the honeycomb duct support 10 is fixed on the mounting platform 7, and the mounting platform is arranged on the periphery of the vertical honeycomb duct 1, and the vertical honeycomb duct 1 is fixed on the honeycomb duct support through a high-strength nylon material belt, so that the problem of swing of the vertical honeycomb duct 1 is solved.

The material of the honeycomb duct support 10 may be steel pipe, steel bar, section bar, wood board, plastic board, etc., which is not limited herein.

Optionally, the air pipe 3 extends into the vertical flow guide pipe 1 from the lower end opening of the vertical flow guide pipe 1; the air pipe 3 is provided with a plurality of air outlet pipes 31, and the plurality of air outlet pipes 31 are distributed in the vertical direction. In this embodiment, two air outlet pipes 31 are disposed on the air pipe 3, and the air outlet pipe 31 located above is 8 m away from the water surface, and the air outlet pipe 31 located below is 10m away from the water surface. A plurality of gas ejection heads 32 are provided on each gas outlet pipe 31, and the number of gas ejection heads 32 on each gas outlet pipe 31 in this embodiment is 2. Through the arrangement, gas can be sprayed into a plurality of positions in the vertical guide pipe 1 at the same time, so that the lifting speed of water is improved.

In other embodiments, the air pipe 3 may not extend into the vertical flow guiding pipe 1, but is connected to the side wall of the vertical flow guiding pipe 1 through a connecting pipe.

The present application is explained below with reference to practical examples.

For example, the area of the reservoir is about 0.15km2, and the total reservoir capacity is 150 km 3, based on an average 10m depth.

The cyanobacteria bloom control device is arranged at the upstream of a reservoir; the main parameters of the device are as follows:

the area of the mounting platform 7 is 7000 x 4800mm;

the diameter of the vertical flow guide pipe 1 is 1000mm;

the depth of the lower end of the vertical flow guide pipe 1 from the water surface is 10 meters;

the fan 2 adopts a 50-type three-blade Roots blower, and has the power: 2.2 kw, boost: 78.4KPA, air volume: 1.5 cubic meters per minute;

the average working time of solar power supply per day is 4-5 hours.

Through the arrangement, the flow velocity in the vertical diversion pipe 1 can reach 1.5m/s per hour, and the drainage amount is 2 ten thousand tons/day.

According to the actual condition of the reservoir, 4 blue algae bloom control devices are installed in total, and the hydraulic retention time is set to be 5 days, namely, the water bloom control device circulates once in 5 days. The blue algae bloom control device creates a rapid flow field environment at the reservoir, and ensures that blue algae bloom is absolutely not formed.

Example two

The embodiment provides a cyanobacterial bloom control device, which is mostly the same as the cyanobacterial bloom control device provided in the first embodiment, and is different in that: the cyanobacterial bloom control device provided by the embodiment adopts a shore power mode to supply power.

Referring to fig. 5 to 7, in the present embodiment, the equipment room 9 and the blower 2 disposed in the equipment room 9 are disposed on the shore, and the photovoltaic power generation equipment 8 is not disposed, and the power is supplied to the apparatus by a conventional power supply manner. The device can work for 24 hours by adopting a shore power supply mode, and the drainage reaches 8-10 ten thousand tons/day.

Further, in this embodiment, the transverse flow guiding tube 4 is not provided, but the original transverse flow guiding tube 4 is replaced by the air-water flow groove 5. The lower extreme and the vertical honeycomb duct 1 intercommunication of gas-water flow groove 5, the upper end of gas-water flow groove 5 is provided with the gas outlet 51 that is used for supplying the gaseous outflow, and the side of gas-water flow groove 5 is provided with the delivery port 52 that is used for supplying water outflow. When the device works, water at the bottom layer of the water body enters from the lower end of the vertical guide pipe 1 and flows into the air-water flow groove 5 along the vertical guide pipe 1 and flows out from the water outlet 52 at the side surface of the air-water flow groove 5; the gas in the vertical flow guide pipe 1 is discharged from the gas outlet 51 at the upper end of the gas-water flow groove 5.

The lower extreme of the air and water launder 5 is provided with a floating body component 6, and the air and water launder 5 floats on the surface layer of the water body through the floating body component 6. In order to avoid displacement of the air-water flow groove 5 and the vertical flow guide pipe 1 at the lower end of the air-water flow groove 5, the floating body component 6 is connected with a fixed anchor chain 61. The upper end of the fixed anchor chain 61 is connected to the air-water flow groove 5, and the lower end is fixed to the water bottom, thereby preventing the air-water flow groove 5 and the vertical flow guiding pipe 1 from shifting.

In this embodiment, the upper end of the draft tube stand 10 is fixed to the lower end of the air-water flow groove 5, and other structures are the same as those in the first embodiment.

Alternatively, the air-water launder 5 is formed by splicing a plurality of steel plates through bolts or welded connection modes.

Referring to fig. 8, the number of vertical draft tubes 1 may be set to be plural to increase the flow rate of water lifted upward; correspondingly, the fans 2 are also arranged in a plurality corresponding to the plurality of vertical guide pipes 1.

The cyanobacteria bloom control device further comprises a collecting groove 11, two ends of the collecting groove 11 are both open, and one open end of the collecting groove 11 is communicated with the upper ends of the vertical guide pipes 1. In this embodiment, the upper ends of the vertical flow guiding pipes 1 are respectively and correspondingly communicated with the air and water flow grooves 5, and the water outlets 52 of the air and water flow grooves 5 are respectively communicated with one end of the flow collecting groove 11 close to the vertical flow guiding pipe 1, so that the lower water flowing out of the air and water flow grooves 5 is concentrated in the flow collecting groove 11; the collecting groove 11 is far away from the opening end of the vertical flow guide pipe 1 and faces to the area needing to be subjected to flow pushing (namely the area needing to be subjected to the cyanobacterial bloom prevention), so that the large-flow pushing is realized, and the cyanobacterial bloom prevention effect is improved.

On the basis of the structure, a plurality of air-water flow grooves 5 are arranged in parallel, one end of the flow collecting groove 11, which is close to the vertical flow guiding pipe 1, is fixedly connected with the plurality of air-water flow grooves 5, and the mode of fixedly connecting the flow collecting groove 11 with the plurality of air-water flow grooves 5 can be screw connection or welding, so that the air-water flow guiding pipe is not limited. The lower end of the collecting groove 11 can be provided with a floating body to improve the stability of the device in working on the water surface.

Further, the end of the collecting groove 11 far away from the vertical flow guide pipe 1 is connected with a collecting guide pipe 12, the collecting guide pipe 12 floats on the water surface, and one end of the collecting guide pipe far away from the collecting groove 11 faces to the area needing to push flow; the water discharged from the collecting tank 11 flows out along the collecting duct 12 so that the water precisely flows to the area to be controlled.

To strengthen the structure of the collecting duct 12, a plurality of collecting duct holders 121 are connected to the collecting duct 12; wherein one or more manifold supports 121 are coupled to pontoons 122, and manifold 12 floats on the water surface via pontoons 122.

It is understood that the collecting tank 11 may also be disposed in the first embodiment, and when the collecting tank 11 is disposed in the first embodiment, the ends of the plurality of transverse flow guiding pipes 4 away from the vertical flow guiding pipe 1 are all connected to the end of the collecting tank 11 near the vertical flow guiding pipe 1.

The cyanobacterial bloom control device provided in this embodiment is the same as other structures of the cyanobacterial bloom control device provided in the first embodiment, and will not be described here again.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The utility model provides a blue algae bloom controlling means, sets up in the upper reaches of rivers, its characterized in that includes vertical honeycomb duct (1), fan (2) and connection vertical honeycomb duct (1) with trachea (3) of fan (2), the both ends opening of vertical honeycomb duct (1), just the lower extreme of vertical honeycomb duct (1) stretches into in the water, the upper end of vertical honeycomb duct (1) sets up in water top layer or surface of water top.

2. The cyanobacterial bloom control device according to claim 1, further comprising a transverse flow guide pipe (4) with two open ends, wherein one end of the transverse flow guide pipe (4) is communicated with the upper end of the vertical flow guide pipe (1).

3. The cyanobacterial bloom control device according to claim 1, further comprising a gas-water flow groove (5), wherein the lower end of the gas-water flow groove (5) is communicated with the vertical flow guide pipe (1), an air outlet (51) for air outflow is arranged at the upper end of the gas-water flow groove (5), and a water outlet (52) for water outflow is arranged at the side surface of the gas-water flow groove (5).

4. The cyanobacterial bloom control device according to claim 3, wherein a floating body component (6) is arranged at the lower end of the gas-water launder (5), and the gas-water launder (5) floats on the surface layer of a water body through the floating body component (6).

5. The cyanobacterial bloom control device according to claim 4, wherein a fixed anchor chain (61) is connected to the floating body assembly (6).

6. The cyanobacterial bloom control device according to claim 1, further comprising a mounting platform (7), wherein the mounting platform (7) is arranged above the vertical draft tube (1), and the fan (2) is arranged on the mounting platform (7);

the lower end of the installation platform (7) is provided with a floating body assembly (6), and the installation platform (7) floats on the surface of the water body through the floating body assembly (6).

7. The cyanobacterial bloom control device of claim 6, further comprising a photovoltaic power generation apparatus (8) disposed on the mounting platform (7), the photovoltaic power generation apparatus (8) utilizing solar energy to power the cyanobacterial bloom control device.

8. The cyanobacterial bloom control device according to claim 1, characterized in that the number of vertical draft tubes (1) is a plurality;

the cyanobacteria bloom control device further comprises a collecting groove (11), two ends of the collecting groove (11) are open, and one open end of the collecting groove (11) is communicated with the upper ends of the vertical guide pipes (1).

9. The cyanobacterial bloom control device according to claim 1, wherein the air pipe (3) extends into the vertical guide pipe (1) from the lower end opening of the vertical guide pipe (1); a plurality of air outlet pipes (31) are arranged on the air pipe (3), and the air outlet pipes (31) are distributed along the vertical direction.

10. The cyanobacterial bloom control device according to claim 1, characterized in that the depth of the lower end of the vertical draft tube (1) from the water surface ranges from 5 to 15 meters.

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