CN108782412B

CN108782412B - Automatic electrolytic aerator and oxygenation method

Info

Publication number: CN108782412B
Application number: CN201810505970.5A
Authority: CN
Inventors: 闫国琦; 夏俊杰; 莫嘉嗣; 田鹏
Original assignee: South China Agricultural University
Current assignee: South China Agricultural University
Priority date: 2018-05-24
Filing date: 2018-05-24
Publication date: 2021-01-22
Anticipated expiration: 2038-05-24
Also published as: CN108782412A

Abstract

The invention discloses an automatic electrolytic aerator and an oxygenation method, comprising an electrolytic oxygenation device and a control system; the electrolytic oxygen increasing device comprises a plastic shell, an isolation filter plate, a shell support, a diving turbine, a rectifying plate, a positive electrode, a strip-shaped guide rail, a negative electrode and a waterproof joint; the control system comprises a flow velocity sensor, a dissolved oxygen sensor, a collector, a controller, a storage battery and a processor. The invention adopts the electrolyzed water to produce the pure oxygen, efficiently aerates the water body, has low power consumption, small volume and convenient carrying, can aerate the water bodies of the boxes with different volumes, and has more flexible and rapid use.

Description

Automatic electrolytic aerator and oxygenation method

Technical Field

The invention relates to the field of aquaculture, in particular to an automatic electrolytic aerator and an aeration method.

Background

The dissolved oxygen in water is one of the basic conditions for the survival of the cultured organisms. The dissolved oxygen in the natural water body is partially from photosynthesis of aquatic plants, and partially from diffusion and dissolution of oxygen in the air on the water surface layer, so that the dissolved oxygen in most of the natural water body is slowly supplemented naturally, the dissolved oxygen in the water can be effectively improved by utilizing an automatic oxygenation technology, the limited water body is fully utilized for high-density culture, the economic benefit of fish culture is greatly improved, and the device is necessary for large-scale high-density aquaculture. At present, the mechanical oxygenation technology is mainly adopted in China, oxygenation equipment mainly performs air oxygenation, and the mechanical oxygenation equipment is large in size, high in power consumption and low in oxygenation efficiency.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides an automatic electrolytic aerator and an oxygenation method.

The purpose of the invention is realized by the following technical scheme:

an automatic electrolytic aerator comprises an electrolytic aeration device and a control system; the electrolytic oxygen increasing device comprises a plastic shell 1, an isolation filter plate 3, a shell support 4, a diving turbine 6, a rectifying plate 7, a positive electrode 8, a strip-shaped guide rail 9, a negative electrode 10 and a waterproof joint 12; the control system comprises a flow rate sensor 2, a dissolved oxygen sensor 5, a collector 13, a controller 16, a storage battery 17 and a processor 18; the bottom of the plastic shell 1 is provided with a strip-shaped guide rail 9, one end of the plastic shell 1 is fixedly provided with an isolation filter plate 3, and two shell supports 4 are arranged on two sides of the outside of the plastic shell 1 and used for supporting the automatic electrolytic oxygenator to keep stable; a slidable positive electrode 8 and a slidable negative electrode 10 are inserted on the strip-shaped guide rail 9, the positive electrode 8 and the negative electrode 10 are connected with an electric wire 15 through a waterproof joint 12, and the two electrodes can slide to change the distance between the two electrodes; the other end of the plastic shell 1 is provided with a diving turbine 6 which can cause water body flow in the shell, and the water body flows through the electrode to accelerate the dissolution of oxygen in the water body; the rectifying plate 7 is a circular plate provided with a plurality of small holes and is embedded between the diving turbine 6 and the positive electrode 8; the flow rate sensor 2 is arranged in front of the isolation filter plate 3, and the dissolved oxygen sensor 5 is arranged between the diving turbine 6 and the rectifying plate 7; the collector 13, the controller 16, the storage battery 17 and the processor 18 are arranged outside the water tank 11, the collector 13 is connected with the processor 18, the processor 18 is connected with the controller 16, and the storage battery 17 is connected with the controller 16 and the processor 18.

The submersible turbine 6 is composed of a propeller 19 and a propeller guard 20.

The electrolytic oxygen increasing device and the control system are arranged in the water tank 11 and are positioned below the water surface line 14, and water can be circularly supplied to the water tank 11.

The automatic electrolytic oxygen increasing method adopts the automatic electrolytic oxygen increasing device, a power supply supplies power to the controller 16 and the processor 18, the dissolved oxygen sensor 5 and the flow velocity sensor 2 transmit data signals to the collector 13 and then to the processor 18, the processor 18 transmits the data signals to the controller 16, and the controller 16 controls the submersible turbine 6, the positive electrode 8 and the negative electrode 10; then oxygen is generated at the positive electrode 8 and dissolved in water, the diving turbine 6 runs in the plastic shell 1 to generate water flow, the water body flows through the rectifying plate 7 to convert mixed flow into advection, the water flow flows through the positive electrode 8 again to enable the oxygen generated around the positive electrode 8 to be rapidly dissolved in the water, so that the purpose of oxygenation is achieved, and the faster the water speed is, the faster the dissolution is, the isolating filter plate 3 is provided with a plurality of small holes, so that external aquatic life cannot enter the plastic shell 1.

Compared with the prior art, the invention has the following advantages and effects:

(1) the invention adopts the electrolyzed water to produce pure oxygen, efficiently aerates the water body and has low power consumption.

(2) The invention adopts the diving turbine to manufacture water flow, improves the oxygen dissolving efficiency and ensures that the water body dissolves oxygen uniformly.

(3) The invention adopts the flow velocity sensor and the dissolved oxygen sensor, and can monitor and adjust the water quality condition in the water tank at any time.

(4) The power supply can automatically control the output voltage, so that the water body is saturated with oxygen at any time.

(5) The portable aerator is small in size and convenient to carry, can be used for aerating water bodies of box bodies with different sizes, and is more flexible and faster to use.

Drawings

FIG. 1 is a perspective view of an automatic electrolytic oxygenator.

FIG. 2 is a plan view of an automatic electrolytic oxygenator.

FIG. 3 is a plan view of the layout of an automatic electrolytic oxygenator in a water tank.

Fig. 4 is a plan view and a perspective view of the submersible turbine.

Fig. 5 is a plan view and a perspective view of the rectifying plate.

FIG. 6 is a plan view and a perspective view of the housing holder

Wherein, 1, plastic shell; 2. a flow rate sensor; 3. isolating the filter plate; 4. a housing support; 5. a dissolved oxygen sensor; 6. a submersible turbine; 7. a rectifying plate; 8. a positive electrode; 9. a strip-shaped guide rail; 10. a negative electrode; 11. a water tank; 12. a waterproof joint; 13. a collector; 14. water line; 15. an electric wire; 16. a controller; 17. a storage battery; 18. a processor; 19. a propeller; 20. screw propeller protection casing.

Detailed Description

The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.

Example 1

As shown in fig. 1, 2, 3, 4, 5 and 6, the invention is placed at the bottom of a water tank 11, a dissolved oxygen sensor 5 is placed between a diving turbine 6 and a rectifying plate 7 for testing oxygen concentration, a flow rate sensor 2 is placed in front of an isolation filter plate 3, for testing the water flow speed, the dissolved oxygen sensor 5 and the flow velocity sensor 2 transmit signals to the collector 13, then the processor 18 transmits data signals to the controller 16, the controller 16 controls the submersible turbine 6, the positive electrode 8 and the negative electrode 10, oxygen is generated at the positive electrode 8 and dissolved in water, the diving turbine 6 produces water flow, turbulent flow is converted into advection under the action of the rectifying plate 7, so that the oxygen generated around the positive electrode 8 is quickly dissolved in the water, and the faster the water speed, the faster the dissolution, and the isolation filter plate 3 is provided with a plurality of small holes, so that external aquatic organisms can not enter the circular tube.

The specific operation steps are as follows:

(1) placing the electrolytic aerator into the bottom of the water tank for fixing;

(2) the storage battery 17 starts to supply power, the dissolved oxygen sensor 5 measures the oxygen capacity of the water body, data are transmitted to the collector 13, the collector 13 transmits the data to the processor 18, the processor 18 transmits signals to the controller 16, the controller 16 controls the positive electrode 8 to start electrolyzing water to generate oxygen, and simultaneously controls the operation of the diving turbine 6, the diving turbine 6 operates in the plastic shell 1 to generate water flow, the water body flows through the rectifying plate 7 to convert mixed flow into advection, and the water flow flows through the positive electrode 8 again to enable the oxygen generated by the positive electrode 8 to be rapidly dissolved in the water, so that the purpose of oxygenation is achieved;

(3) the water flow can be controlled through the data of the flow velocity sensor 2, and the oxygen dissolving efficiency is improved;

(4) if the dissolved oxygen amount of the water body reaches saturation, the positive electrode 8 stops electrolysis, and if the dissolved oxygen amount of the water body does not reach saturation, the electrolysis is continued, so that the whole water body is always in an oxygen saturation state, and the survival rate of aquatic organisms is improved.

Example 2

The principle is the same as the first embodiment, the rectifiers with small holes in different shapes can be replaced, different water flows are manufactured, electrode materials are changed, the electrode distance is changed, different oxygen increasing effects can be formed, circular tube supports with different heights can be adjusted, and the water level adjusting device is suitable for different water levels.

Claims

1. An automatic electrolytic oxygenator, characterized in that: comprises an electrolytic oxygen increasing device and a control system; the electrolytic oxygen increasing device comprises a plastic shell, an isolation filter plate, a shell support, a diving turbine, a rectifying plate, a positive electrode, a strip-shaped guide rail, a negative electrode and a waterproof joint; the control system comprises a flow velocity sensor, a dissolved oxygen sensor, a collector, a controller, a storage battery and a processor; the bottom of the plastic shell is provided with a strip-shaped guide rail, one end of the plastic shell is fixedly provided with an isolation filter plate, and two shell supports are arranged on two sides of the outside of the plastic shell and used for supporting the automatic electrolytic aerator to keep stable; the strip-shaped guide rail is inserted with a slidable positive electrode and a slidable negative electrode, the positive electrode and the negative electrode are connected with an electric wire through a waterproof joint, and the two electrodes can slide to change the distance between the two electrodes; the other end of the plastic shell is provided with a diving turbine which can cause water body flow in the shell, and the water body flows through the electrode to accelerate the dissolution of oxygen in the water body; the rectifying plate is a circular plate provided with a plurality of small holes and is embedded between the submersible turbine and the positive electrode; the flow rate sensor is arranged in front of the isolation filter plate, and the dissolved oxygen sensor is arranged between the diving turbine and the rectifying plate; the collector, the controller, the storage battery and the processor are arranged outside the water tank, the collector is connected with the processor, the processor is connected with the controller, and the storage battery is connected with the controller and the processor.

2. The automatic electrolytic oxygenator of claim 1 wherein: the diving turbine is composed of a propeller and a propeller protective cover.

3. The automatic electrolytic oxygenator of claim 1 wherein: the electrolytic oxygen increasing device and the control system are both arranged in the water tank and are positioned below the water surface line, and oxygen can be supplied to the internal circulation of the water tank.

4. An automatic electrolytic oxygenation method is characterized in that: the automatic electrolytic oxygenator of any one of claims 1 to 3 is adopted, a power supply supplies power to a controller and a processor, a dissolved oxygen sensor and a flow rate sensor transmit data signals to a collector and then to the processor, the processor transmits the data signals to the controller, and the controller controls a submersible turbine, a positive electrode and a negative electrode; then oxygen is generated at the positive electrode, the diving turbine runs in the plastic shell to generate water flow, the water body flows through the rectifying plate to convert the mixed flow into advection, and the water flow flows through the positive electrode again to enable the oxygen generated around the positive electrode to be rapidly dissolved in the water, so that the purpose of oxygenation is achieved.