CN113562858A

CN113562858A - Water oxygenation method

Info

Publication number: CN113562858A
Application number: CN202110727468.0A
Authority: CN
Inventors: 陈湘云; 刘绍春; 周锡勋; 曾芸芸; 樊均德
Original assignee: Yueyang Yumeikang Bio Tech Co ltd; Hunan Yuxiang Biological Technology Co ltd
Current assignee: Yueyang Yumeikang Bio Tech Co ltd; Hunan Yuxiang Biological Technology Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-10-29

Abstract

The invention discloses a water body oxygenation method, wherein negative pressure is generated on the back of a propeller by utilizing the rotation of the propeller in a water body, and air is supplied to the back of the propeller by utilizing an air pipe, so that the aim of oxygenating the water body is fulfilled; when the air pipe is used, the air pipe is communicated with the air outside the water surface, and the propeller is driven by the motor. The water oxygenation method can realize water oxygenation and diversion by adopting a simple method, and is ingenious in concept and easy to implement.

Description

Water oxygenation method

Technical Field

The invention relates to a water body oxygenation method.

Background

Aquaculture is the production activity of breeding, cultivating and harvesting aquatic animals and plants under artificial control. The high-precision aquaculture adopts methods of temperature control, oxygenation, high-quality bait feeding and the like to carry out high-density aquaculture in a pond, thereby obtaining high yield. Because the oxygen consumption of the pond increases with the density of the aquatic products during the aquaculture process, and the dissolved oxygen content in the water of the pond directly influences the aquaculture yield and the mortality rate of the aquaculture, the water in the pond needs to be oxygenated by using an oxygenation device. When present oxygenation equipment is squeezed into aquatic with the air, need overcome water pressure and pour into the aquatic with the air, consequently need set up the force pump and produce the pressure that is higher than water pressure and pour into the aquatic with the air, running cost and cost of manufacture are all higher. Therefore, there is a need for a method for increasing oxygen in water.

In addition, in the field of aquatic products, some fishes such as spotted silver carps can only eat fluid feed (bait), and the fluid feed needs to be sprayed into ponds. The traditional way is that the fluid bait is spilt out manually, or put into the bucket of taking the small opening with the fluid bait, during the fluid bait is let in the pond, these two kinds of modes are original technique, rely on the manpower to carry out instead of relying on electric power, spill the inefficiency of bait, also can't accomplish evenly to spill the material, necessary fluid feed spraying apparatus that sets up.

Disclosure of Invention

The invention aims to provide a water body oxygenation method which is easy to implement and low in implementation cost.

The technical solution of the invention is as follows:

a water body oxygenation method, utilize the rotation of the propeller to produce the negative pressure on the back of the propeller in the water body, utilize the air hose to supply the air for the back of the propeller, thus achieve the goal of oxygenating for the water body;

when the air pipe is used, the air pipe is communicated with the air outside the water surface, and the propeller is driven by the motor.

The propeller and the motor are arranged in the guide cylinder to realize the function of flow guide, and convection is formed in the water body through the flow guide, so that the range of oxygenation is enlarged.

An axial flow type aerator is adopted to realize oxygenation.

The axial-flow aerator is an aerator with an independent gas cabin (namely a split impeller aerator) or an aerator with an integrated gas cabin.

The structure of the oxygen increasing machine of the independent gas cabin is as follows: comprises a flow guide cylinder and an air inlet pipe; an impeller and a motor for driving the impeller to rotate are arranged in the guide cylinder body; an independent air bin is arranged between the front end of the motor and the impeller, the first end of the air inlet pipe is an air inlet, the air inlet pipe penetrates through the cylinder wall of the flow guide cylinder body, and the second end of the air inlet pipe is communicated with the air bin; the air inlet pipe is used for guiding air into the air bin; the front end surface of the air bin is provided with a through hole; the motor is arranged in a sealed motor box; the motor box and the gas bin are fixed in the guide cylinder body through the supporting piece; an axial distance exists between the motor box and the air bin, the output end of the motor is connected with the impeller through a rotating shaft, and a bearing used for supporting the rotating shaft is arranged on the front end face or the rear end face of the air bin.

The oxygen-increasing machine of integral type gas storehouse structure does: comprises a flow guide cylinder and an air inlet pipe; an impeller and a motor for driving the impeller to rotate are arranged in the guide cylinder body; the motor is arranged in a sealed motor box; the front end of the motor box is provided with an air bin, the first end of the air inlet pipe is an air inlet, the air inlet pipe penetrates through the cylinder wall of the flow guide cylinder body, and the second end of the air inlet pipe is communicated with the air bin; the air inlet pipe is used for guiding air into the air bin; the front end surface of the air bin is provided with a through hole; the motor box and the gas bin are fixed in the guide cylinder body through the supporting piece; the output end of the motor penetrates through the air bin through the rotating shaft to be connected with the impeller.

Used for magnetizing the water body flowing through the guide shell.

The rear end of the guide shell is provided with a guide cover.

The guide shell is tapered, and the inner diameter of the guide shell is increased from front to back in sequence. By utilizing the Bernoulli principle, the front part is small, the rear part is large, the flow velocity can be increased, and the convection of the water body can be accelerated.

Oxygenation is carried out in a matched mode with fluid feed spraying to increase the breeding yield, and the fluid spraying is carried out by adopting an electric control type fluid feed spraying device and system.

The motor is connected with the speed regulating mechanism.

An axial-flow aerator comprises a guide cylinder and an air inlet pipe, wherein the front end of the guide cylinder is provided with a water inlet, the rear end of the guide cylinder is provided with a water outlet, the water inlet is used for enabling water to enter the guide cylinder, and the water outlet is used for enabling water to flow out of the guide cylinder;

an impeller and a motor for driving the impeller to rotate are arranged in the guide cylinder body;

the impeller is formed by surrounding a central shaft by a plurality of blades, and the blades are arc-shaped blades;

the motor is arranged in a sealed motor box, and the motor box is used for separating water from the motor;

the front end of the motor box is provided with an air bin; the gas cabin can be a cylindrical gas cabin or a box-type gas cabin; the first end of the air inlet pipe is an air inlet, the air inlet pipe penetrates through the wall of the flow guide cylinder, and the second end of the air inlet pipe is communicated with the air bin; the air inlet pipe is used for guiding air into the air bin; the front end surface of the air bin is provided with a through hole; the through hole is used for dispersing the air in the air bin to the position of the impeller; the air pipe can be a hose made of plastic or a hard pipeline made of PVC material; when the guide cylinder body is immersed in water and the impeller rotates, a positive pressure surface and a negative pressure surface are arranged on two sides of the impeller, and the second end of the air inlet pipe extending into the guide cylinder body is positioned on one side of the negative pressure surface; when air is pumped into water by a common oxygenation pump, the air needs to be injected into the water by overcoming water pressure, so that the air needs to be injected into the water by the oxygenation pump by generating pressure higher than the water pressure;

the motor box and the gas bin are fixed in the guide cylinder body through the supporting piece;

the output end of the motor is connected with the impeller through the rotating shaft window closing air bin, and a bearing for supporting the rotating shaft is arranged on the front end surface or the rear end surface of the air bin; the rotating shaft is installed in the air bin through the bearings, one or two bearings can be adopted, and when the two bearings are adopted, the rotating shaft penetrates through two ends of two sides of the air bin and is connected with the air bin through the bearings respectively.

Furthermore, a plurality of pairs of magnetic poles are arranged on the outer wall of the flow guide cylinder in a surrounding manner, the number of the magnetic poles can be 4 or 8, and the magnetic poles are arranged on the outer wall of the flow guide cylinder in a surrounding manner in a screw connection, riveting and other manners through a magnetic conduction shell; when the guide cylinder body sinks into water, the magnetic conduction shell isolates the magnetic pole from the water so as to prevent the water from interfering the magnetic pole to work; when water flows through the flow guide cylinder body, the magnetic poles generate the magnetization effect on water passing through the flow guide cylinder body through the magnetic conduction shell so as to kill germs in the water and remove dirt in the water.

Further, a filtering part for filtering impurities is arranged at the rear end of the flow guide cylinder body; the filtering part can be a grating filter screen which filters the soil in the water to avoid the soil from interfering the oxygenation and magnetization process in the guide cylinder body.

Further, the supporting piece is a fixing frame.

Further, the rear end of the flow guide cylinder body is provided with a flow guide cover which is opened outwards; to increase the rate of water flow into the draft tube.

Further, the magnetic pole is a permanent magnet or an electromagnet excited by current.

Further, the magnetic poles are 4 pairs.

Has the advantages that:

the axial-flow aerator provided by the invention has the following advantages:

1. after the device is placed in the pond, water in the pond generates circular flow, and oxygen increasing and magnetization treatment can be gradually carried out on the water in the whole pond.

2. The single device can simultaneously carry out oxygenation and magnetization treatment on the water in the pond, while oxygenation equipment in the prior art can only carry out oxygenation treatment on the water generally, and even if a few water treatment systems can carry out oxygenation and magnetization treatment on the water simultaneously, most of the systems are formed by combining a plurality of equipment, so the cost is undoubtedly higher, and the device has good economic benefit;

after the device is sunk into a pond, water continuously flows through the diversion cylinder under the action of the motor and the impeller, the impeller rotates to carry out oxygenation treatment on the water, the magnetization assembly carries out magnetization treatment on the water flowing through the diversion cylinder, germs in the water are killed while the oxygen content in the water is increased, and dirt in the water is removed.

3. When this device had utilized the impeller rotation ingeniously, the characteristics of its impeller rear formation negative pressure, set up through the cooperation between impeller, motor and the gas storehouse, both accelerated the speed that the air dissolved the aquatic, accelerated the speed of rivers flow to the delivery port again, and then accelerated the efficiency of this device to water treatment.

When the guide cylinder body is immersed in water and the impeller rotates, a positive pressure surface and a negative pressure surface are arranged on two sides of the impeller, the air bin is positioned on one side of the negative pressure surface, and the water outlet is positioned on one side of the positive pressure surface; the impeller can generate two functions when rotating, firstly, because the air bin is positioned at one side of the negative pressure surface, the impeller rotates to generate a suction effect on the air in the air bin so as to suck the air in the air bin out of the through hole; secondly, because the water outlet is arranged on one side of the positive pressure surface, when the impeller rotates, the water in the guide cylinder body flows towards one side of the water outlet under the driving of the impeller, so that the speed of the water flowing to the water outlet is accelerated, and the efficiency of the device for treating the water is accelerated.

4. The device can press air into water without a pressure pump, so that the device cost is saved, and the energy consumption of the pressure pump for resisting water pressure is avoided.

When ordinary oxygenation pump was squeezed into aquatic with the air, need overcome water pressure and pour into the aquatic with the air, consequently need oxygenation pump to produce the pressure that is higher than water pressure and pour into the aquatic with the air, and in this device, the impeller rotation will lead to the water pressure greatly reduced of its negative pressure face one side, makes the air need not get into aquatic through the pump pressure boost.

5. The device can filter impurities such as soil in water, and prevent the soil in water from interfering the oxygenation and magnetization processes in the flow guide cylinder;

the front end of the guide cylinder body for water inlet is provided with a filtering part for filtering impurities; the filter part can be a grid filter screen.

In conclusion, the device generates circular flow to the water in the pond after being placed in the pond, gradually carries out oxygenation treatment on the water in the whole pond, and has lower operation cost and manufacturing cost; and the aeration and magnetization treatment can be carried out on the water with higher working efficiency, so that the device has higher economic value.

The electrically controlled fluid feed spraying equipment and the system have the following characteristics:

(1) the adopted equipment is simple, and various working modes can be executed;

the liquid feeding device mainly comprises a liquid feeding mode and a spraying mode, the adopted devices are a common single-channel electric control valve, a tee joint (or an electric control three-way valve replaces the tee joint and the single-channel electric control valve), a liquid pump and the like, and the implementation cost is low. The switching of various working conditions can be realized by forward and reverse rotation control and the control of a valve. The scheme ingeniously applies the one-way valve to realize two working modes by combining forward rotation and reverse rotation, and compared with other manual valves, the scheme is extremely low in cost, small in quantity during opening and closing and small in quantity of liquid pumps, and is an extremely ingenious scheme.

(2) Can adjust the spraying flow

The spray flow can be regulated by a manual proportional valve. Furthermore, a speed regulating mechanism is arranged on the liquid pump and can also regulate the spraying flow, and the speed regulating mechanism is a frequency converter, a thyristor voltage regulating circuit and the like.

(3) The floating type rotary spray head is more suitable for being applied to water bodies.

In conclusion, the electric control type fluid feed spraying equipment and the system are easy to implement, cost-saving and convenient to operate.

Drawings

FIG. 1 is a schematic diagram of a fluid feed spraying apparatus based on an electrically operated single-channel valve (water feed mode);

FIG. 2 is a schematic diagram of the construction of an electrically operated single-channel valve-based fluid feed spraying apparatus (spray mode);

FIG. 3 is a control circuit diagram based on an MCU;

FIG. 4 is a control circuit diagram based on a relay protection circuit (two relays control two valves);

FIG. 5 is a control circuit diagram based on a relay protection circuit (one relay controls two valves);

FIG. 6 is a wiring diagram of the single-phase motor in forward rotation;

FIG. 7 is a reverse wiring diagram of a single-phase motor;

FIG. 8 is a reverse wiring diagram of a three-phase motor;

FIG. 9 is a schematic view of a fluid feed spraying apparatus based on an electrically controlled three-way valve (water feed mode);

fig. 10 is a schematic view of the structure of a fluid feed spraying device based on an electrically controlled three-way valve (spraying mode);

FIG. 11 is a control circuit diagram based on an MCU;

FIG. 12 is a diagram of a relay protection circuit based control circuit;

fig. 13 is a schematic view of the overall structure.

FIG. 14 is a schematic structural view of an integrated axial flow aerator;

FIG. 15 is a schematic view of the integrated axial flow aerator during operation;

FIG. 16 is an enlarged partial view of the impeller portion of the integrated axial flow aerator;

FIG. 17 is a schematic structural view of a split axial flow aerator;

FIG. 18 is a schematic view of the split axial flow aerator during operation;

FIG. 19 is an enlarged partial view of the impeller portion of the split axial flow aerator;

the notation in the figure is: 1. a flow guide cylinder; 2. an impeller; 3. a motor; 4. a motor case; 5. a pod; 6. an air inlet pipe; 7. a magnetic pole; 8. a magnetically conductive housing; 9. a filtering part; 10. a support member; 11. a gas bin; 12. a fixing mechanism; 13. a through hole; 14. air bubbles; 15. a rotating shaft; 16. a curved surface.

Detailed Description

The invention will be described in further detail below with reference to the following figures and specific examples:

a water body oxygenation method, utilize the rotation of the propeller to produce the negative pressure on the back of the propeller in the water body, utilize the air hose to supply the air for the back of the propeller, thus achieve the goal of oxygenating for the water body; when the air pipe is used, the air pipe is communicated with the air outside the water surface, and the propeller is driven by the motor. The propeller and the motor are arranged in the guide cylinder to realize the function of flow guide, and convection is formed in the water body through the flow guide, so that the range of oxygenation is enlarged. An axial flow type aerator is adopted to realize oxygenation. The axial-flow aerator is an aerator with an independent gas cabin or an aerator with an integrated gas cabin. Used for magnetizing the water body flowing through the guide shell. The rear end of the guide shell is provided with a guide cover. The guide shell is tapered, and the inner diameter of the guide shell is increased from front to back in sequence. By utilizing the Bernoulli principle, the front part is small, the rear part is large, the flow velocity can be increased, and the convection of the water body can be accelerated. Oxygenation is carried out in a matched mode with fluid feed spraying to increase the breeding yield, and the fluid spraying is carried out by adopting an electric control type fluid feed spraying device and system. The motor is connected with the speed regulating mechanism.

As shown in fig. 14-16, an integrated axial flow aerator comprises a flow guide cylinder 1 and an air inlet pipe 6, wherein the front end of the flow guide cylinder 1 is provided with a water inlet, the rear end of the flow guide cylinder 1 is provided with a water outlet, the water inlet is used for enabling water to enter the flow guide cylinder 1, and the water outlet is used for enabling water to flow out of the flow guide cylinder 1; the guide cylinder body 1 is internally provided with an impeller 2 and a motor 3 for driving the impeller 2 to rotate; the impeller 2 is composed of a plurality of blades surrounding a central shaft, and the blades are arc-shaped blades; the motor 3 is arranged in a sealed motor box 4, and the motor box 4 is used for isolating the motor 3 from water; the front end of the motor box 4 is provided with an air bin 11; the gas cabin 11 can be a cylindrical gas cabin or a box-type gas cabin; the first end of the air inlet pipe 6 is an air inlet, the air inlet pipe 6 penetrates through the cylinder wall of the flow guide cylinder body 1, and the second end of the air inlet pipe 6 is communicated with the air bin 11; the air inlet pipe 6 is used for introducing air into the air bin 11; the front end surface of the air bin 11 is provided with a through hole 13; the through hole 13 is used for dispersing the air in the air bin 11 to the position of the impeller 2; the air pipe can be a hose made of plastic or a hard pipeline made of PVC material; when the guide cylinder body 1 sinks into water and the impeller 2 rotates, a positive pressure surface and a negative pressure surface are arranged on two sides of the impeller 2, and the second end of the air inlet pipe 6 extending into the guide cylinder body 1 is positioned on one side of the negative pressure surface; when a common aerator pumps air into water, the water pressure needs to be overcome to inject the air into the water, so that the pump is required to generate pressure higher than the water pressure to inject the air into the water, and in the device, the rotation of the impeller 2 greatly reduces the water pressure on one side of a negative pressure surface of the impeller, so that the air can enter the air bin 11 through the second end of the air inlet pipe 6 without being pressurized by the pump; the motor box 4 and the air bin 11 are both fixed in the guide cylinder body 1 through a support piece 10; the output end of the motor 3 is connected with the impeller 2 through a rotating shaft 15, and a bearing for supporting the rotating shaft 15 is arranged on the front end surface or the rear end surface of the air bin 11; the rotating shaft 15 is installed in the air chamber 11 through a bearing, one or two bearings can be provided, and when the two bearings are provided, the two ends of the rotating shaft 15 penetrating through the two sides of the air chamber 11 are respectively connected with the air chamber 11 through the bearings. Furthermore, a plurality of pairs of magnetic poles 7 are arranged around the outer wall of the guide cylinder 1, and the number of the magnetic poles 7 can be 4 or 8; to avoid the magnetic pole 7 reducing the water flow velocity; the magnetic pole 7 is arranged on the outer wall of the flow guide cylinder body 1 in a surrounding way through a magnetic conduction shell 8 in a screwing, riveting and other modes; when the guide cylinder body 1 sinks into water, the magnetic conduction shell 8 isolates the magnetic pole 7 from the water so as to prevent the water from interfering the work of the magnetic pole 7; when water flows through the guide cylinder 1, the magnetic pole 7 generates magnetization effect on water passing through the guide cylinder 1 through the magnetic conduction shell 8 so as to kill germs in the water and remove dirt in the water. Further, a filtering part 9 for filtering impurities is installed at the rear end of the guide cylinder 1; the filtering part 9 may be a grating filter screen, which filters the soil in the water to prevent the soil from interfering the oxygenation and magnetization process in the guide cylinder 1. Further, the supporting member 10 is a fixing frame. Further, the rear end of the guide cylinder body 1 is provided with a guide cover 5 which is opened outwards; to increase the rate of water flow into the draft tube 1. Further, the magnetic pole 7 is a permanent magnet or an electromagnet excited by current. Further, the magnetic poles 7 are 4 pairs. Further, a fixing mechanism 16 for fixing the position of the flow guide cylinder body 1 is arranged on the outer wall of the flow guide cylinder body 1; the fixing mechanism 16 can be a skewing rod or a steel wire rope which can be tied on other fixed objects so as to ensure the stable operation of the device; wherein the fixing mechanism 16 can be connected with the guide cylinder body 1 in an articulated manner so as to receive the fixing mechanism 16.

The specific working principle of the device is as follows: referring to fig. 15 and 16, two different arrows in the drawings respectively represent the moving directions of air and water, when the device is in use, the impeller 2 is driven by the motor 3 to rotate, and water passes through the filter part 9 from the front end of the guide cylinder 1 and enters the guide cylinder 1;

when the guide cylinder body 1 is sunk into water and the impeller 2 rotates, a positive pressure surface and a negative pressure surface are arranged on two sides of the impeller 2, and when a common aerator pumps air into the water, the water pressure needs to be overcome to inject the air into the water, so that a pump is needed to generate pressure higher than the water pressure to inject the air into the water; in the device, the water pressure on one side of the negative pressure surface of the impeller 2 is greatly reduced due to the rotation of the impeller, and one end of the air inlet pipe 6, which extends into the guide cylinder body 1, is positioned on one side of the negative pressure surface, so that air can enter the air inlet pipe 6 without being pressurized by a pump; when the impeller 2 rotates, two effects are generated, namely, because the air bin 11 is positioned on the negative pressure surface side, the impeller 2 generates a suction effect on the air in the air bin 11 so as to suck the air in the air bin 11 out of the through hole 13; secondly, because the rear end of the guide cylinder body 1 is positioned on one side of the positive pressure surface, when the impeller 2 rotates, water in the guide cylinder body 1 flows towards one side of the water outlet under the driving of the impeller 2;

the air conveyed into the air bin 11 will emerge from the through holes 13 in the form of bubbles 14 and be melted into the water, so that the oxygen in the water is increased; the water continuously moves towards the rear end direction of the guide flow cylinder 1 and is magnetized when passing through the area surrounded by the plurality of magnetic poles 7; finally flows out of the guide cylinder body 1.

As shown in fig. 17-19, a split impeller aerator (i.e. an aerator of an independent gas cabin) comprises a guide cylinder 1 and an air inlet pipe 6, wherein the front end of the guide cylinder 1 is provided with a water inlet, the rear end of the guide cylinder 1 is provided with a water outlet, the water inlet is used for enabling water to enter the guide cylinder 1, and the water outlet is used for enabling water to flow out of the guide cylinder 1; the guide cylinder body 1 is internally provided with an impeller 2 and a motor 3 for driving the impeller 2 to rotate; the impeller 2 is composed of a plurality of blades surrounding a central shaft, and the blades are arc-shaped blades; an independent air bin 11 is arranged between the front end of the motor 3 and the impeller 2; the gas cabin 11 can be a cylindrical gas cabin or a box-type gas cabin; the first end of the air inlet pipe 6 is an air inlet, the air inlet pipe 6 penetrates through the cylinder wall of the flow guide cylinder body 1, and the second end of the air inlet pipe 6 is communicated with the air bin 11; the air inlet pipe 6 is used for introducing air into the air bin 11; the front end surface of the air bin 11 is provided with a through hole 13; the through hole 13 is used for dispersing the air in the air bin 11 to the position of the impeller 2; the air pipe can be a hose made of plastic or a hard pipeline made of PVC material; when the guide cylinder body 1 sinks into water and the impeller 2 rotates, a positive pressure surface and a negative pressure surface are arranged on two sides of the impeller 2, and the second end of the air inlet pipe 6 extending into the guide cylinder body 1 is positioned on one side of the negative pressure surface; when a common aerator pumps air into water, the water pressure needs to be overcome to inject the air into the water, so that the pump is required to generate pressure higher than the water pressure to inject the air into the water, and in the device, the rotation of the impeller 2 greatly reduces the water pressure on one side of a negative pressure surface of the impeller, so that the air can enter the air bin 11 through the second end of the air inlet pipe 6 without being pressurized by the pump; the motor 3 is arranged in a sealed motor box 4, and the motor box 4 is used for isolating the motor 3 from water; the motor box 4 and the air bin 11 are both fixed in the guide cylinder body 1 through a support piece 10; an axial distance exists between the motor box 4 and the air bin 11, the output end of the motor 3 is connected with the impeller 2 through a rotating shaft 15, and a bearing used for supporting the rotating shaft 15 is arranged on the front end face or the rear end face of the air bin 11; the rotating shaft 15 is installed in the gas cabin 11 through a bearing, one or two bearings can be adopted, and when the number of the bearings is two, the rotating shaft 15 penetrates through two ends of two sides of the gas cabin 11 and is connected with the gas cabin 11 through the bearing respectively; because motor case 4 on the market at present all is an solitary case, and one section of customization can not intake (place motor case 4) like this, and another section need intake and the case cost of admitting air is higher, goes out to be in saving the cost consideration, adopts two solitary cases as motor case 4 and gas storehouse 11 respectively, is connected through a pivot 15 between motor case 4 and the gas storehouse 11 to it is rotatory to make motor 3 in the motor case 4 can drive impeller 2 through pivot 15. Furthermore, a plurality of pairs of magnetic poles 7 are arranged around the outer wall of the guide cylinder 1, and the number of the magnetic poles 7 can be 4 or 8; to avoid the magnetic pole 7 reducing the water flow velocity; the magnetic pole 7 is arranged on the outer wall of the flow guide cylinder body 1 in a surrounding way through a magnetic conduction shell 8 in a screwing, riveting and other modes; when the guide cylinder body 1 sinks into water, the magnetic conduction shell 8 isolates the magnetic pole 7 from the water so as to prevent the water from interfering the work of the magnetic pole 7; when water flows through the guide cylinder 1, the magnetic pole 7 generates magnetization effect on water passing through the guide cylinder 1 through the magnetic conduction shell 8 so as to kill germs in the water and remove dirt in the water. Further, a filtering part 9 for filtering impurities is installed at the rear end of the guide cylinder 1; the filtering part 9 may be a grating filter screen, which filters the soil in the water to prevent the soil from interfering the oxygenation and magnetization process in the guide cylinder 1. Further, the supporting member 10 is a fixing frame. Further, the rear end of the guide cylinder body 1 is provided with a guide cover 5 which is opened outwards; to increase the rate of water flow into the draft tube 1. Further, the front end face of the gas bin 11 is a concave curved surface 16 matched with the curvature of the impeller 2. The curved surface 16 is arranged to furthest draw in the distance between the blade and the air bin 11, so that the negative pressure formed by the rotation of the impeller 2 is fully utilized, and the oxygenation efficiency is higher; there is still a gap between the concave curved surface 16 and the impeller 2 to prevent the blades from hitting the air box 11 when they rotate. Further, the magnetic pole 7 is a permanent magnet or an electromagnet excited by current. Further, the magnetic poles 7 are 4 pairs. Further, a fixing mechanism 12 for fixing the position of the flow guide cylinder 1 is arranged on the outer wall of the flow guide cylinder 1; the fixing mechanism 12 can be a skewing rod or a steel wire rope which can be tied on other fixed objects so as to ensure the stable operation of the device; wherein the fixing mechanism 12 can be connected with the guide cylinder body 1 in a hinged manner so as to receive the fixing mechanism 12. Further, the gas cabin 11 is a cylindrical gas cabin.

Referring to fig. 1-2, an electrically controlled single-channel valve-based fluid feed spraying device comprises a liquid pump, a liquid inlet channel and a spraying channel; the device also comprises an electric control valve used for controlling the liquid inlet channel and the spraying channel, wherein the electric control valve is 2 single-channel valves;

the container is connected with the inlet end of the liquid pump, and the outlet end of the liquid pump is connected with the liquid inlet channel and the spraying channel; a container for preparing or storing a fluid feed;

the fluid feed spraying equipment based on the electric control single-channel valve further comprises a liquid pump forward and reverse rotation control circuit and a valve control circuit; the valve control circuit is used for controlling the opening and closing of the electric control valve and ensuring that the opening and closing states of the 2 single-channel valves are mutually exclusive when in work; mutex means that one valve is open while the other is closed. The electric control valve is also called an electric valve, preferably a valve with two states, is opened when power is on, and is reset and closed when power is off, and the valve is preferably selected in the embodiment. Or 3 control line valves, wherein one line is a common line, 2 lines are powered on to open the valve, and the other 2 lines are powered off to close the valve, and can be controlled by the contact of the relay.

Example 1: as shown in fig. 3, the valve control circuit is a MCU-based valve control circuit;

the switching signal input branch is connected with the input end of the MCU, and the output end of the MCU controls the action of the electric control valve through the output branch based on the relay, so that the switching between the liquid inlet channel and the spraying channel is realized. The MCU is a singlechip, a DSP or a PLC, an ARM processor and the like.

The number of the switching signal input branches based on the input switches is 2, and the 2 switching signal input branches are correspondingly connected with 2 input ends (namely in01 and in02) of the MCU.

The corresponding input switches SB1 and SB2 may be buttons that release the reset. Thus, one button is opened corresponding to the liquid inlet channel, and the other button is opened corresponding to the spraying channel.

The state of 2 single channel valves of normally open contact and normally closed contact control through a relay is the mutual exclusion relation (or the state of 2 single channel valves of normally open contact control through 2 relays is the mutual exclusion relation, and this kind of substitution adopts two relays, also can realize, for current mature technique.)

The electric control valve and the liquid pump are controlled to be linked in positive and negative rotation through a timer in the MCU, namely the electric control valve starts to act and then is timed, and the motor is controlled to start to rotate in positive and negative rotation after the time is up, and the electric control valve is specifically determined according to the opening in-place time of the electric control valve, and the opening is finished if the electric control valve needs 5-15 s. And the liquid is fed in a reverse direction, and the liquid is sprayed in a forward direction. The specific control is the existing mature technology, and the motor can also be manually controlled to start and rotate forward and backward through a button.

The output end of the MCU is connected with an output branch, and a triode or a power switch is arranged in the output branch. The power switch is a MOS tube and the like.

Description of the control process:

(1) when the SB1 is pressed down, the MCU detects the level jump of the IN01 port, the triode Q1 is controlled to be conducted, the relay J is electrified, the K1 is electrified to be opened, and the other circuit controls the motor to reversely rotate and a water inlet mode; SB1 springs back to the original state after being pressed, and the subsequent state is not influenced.

(2) When the SB2 is pressed down, the MCU detects the level jump of the IN02 port, the triode Q1 is controlled to be cut off, the relay J loses power, the J-1 is disconnected, the K1 loses power and is closed, the K2 is powered on and is opened, and the other circuit controls the motor to rotate forwards and spray the mode; SB2 springs back to the original state after being pressed, and the subsequent state is not influenced.

Example 2:

referring to fig. 4 and 5, a relay protection circuit based on a button and a relay is adopted to control the opening and closing of the electric control valve.

The relay protection circuit includes two buttons (SB1 and SB2) and 2 relays (J1 and J2).

Fig. 4 illustrates the working process:

(1) when the SB1 is pressed down, the relay J1 is powered on, the J1-1 is closed and self-locked, in addition, the J1-3 is closed, the K1 acts, the normally closed switch J1-2 acts, and the J2 is powered off; the other circuit controls the motor to rotate reversely and the water inlet mode; SB1 springs back to the original state after being pressed, and the subsequent state is not influenced.

(2) When the SB2 is pressed down, the relay J2 is powered on, the J2-1 is closed and self-locked, in addition, the J2-3 is closed, the K2 acts, the normally closed switch J2-2 acts, and the J1 is powered off; the other circuit controls the motor to rotate forward and spray; SB2 springs back to the original state after being pressed, and the subsequent state is not influenced.

Fig. 5 illustrates the working process:

(1) when the SB1 is pressed down, the relay J1 is powered on, the J1-1 is closed and self-locked, in addition, the J1-3 is closed, the K1 acts (and the normally closed switch J1-2 acts), and the J2 is powered off; the other circuit controls the motor to rotate reversely and the water inlet mode; j1-4 is open and K2 is closed. SB1 springs back to the original state after being pressed, and the subsequent state is not influenced.

(2) SB2 is pressed down, the relay J2 is electrified, the relay J2-1 is closed and self-locked, in addition, the relay J2-2 is disconnected, the relay K1 is electrified, the normally closed switch J2-2 is closed, the relay K2 is opened, and the other circuit controls the motor to rotate forwards and to spray; SB2 springs back to the original state after being pressed, and the subsequent state is not influenced.

The relay protection circuit also controls the linkage of the positive and negative rotation starting of the electric control valve and the liquid pump through a delay relay. The specific control is the existing mature technology. See also

A fluid feed spraying system based on an electric control single-channel valve comprises a container and fluid feed spraying equipment connected with the container;

in addition, it should be noted that:

the fluid water spraying equipment is the fluid feed spraying equipment.

The container is a fermentation tank; other chemical reaction tanks are also possible.

The feed end is connected with a water pipe; other liquid conduits are also possible.

The discharge end is connected with the spray head; or directly output without connecting with a spray head.

A manual proportional valve is arranged on a pipeline between the inlet end of the liquid pump and the fermentation tank.

The liquid pump is provided with a speed regulating device. The speed regulating device is a frequency converter, a thyristor for speed regulation, and the like.

The liquid pump is a direct-flow liquid pump, a three-phase liquid pump or a single-phase liquid pump.

The spray head is a floating spray head. The floating type spray head can float on the water surface of the pond for spraying. Compared with a fixed spray head, the spray head is easier to install and maintain.

The controller for controlling the forward rotation and the reverse rotation of the liquid pump is a change-over switch circuit for changing the wiring of a motor winding or a change-over switch circuit for changing the phase sequence of a three-phase power supply, specifically, the forward rotation and the reverse rotation of a single-phase motor (such as an YL90L1-4 type motor) are shown in fig. 6-7, the forward rotation and the reverse rotation can be realized by adopting a double-pole double-throw switch (or a relay circuit for realizing the switching is also the prior mature technology), the forward rotation and the reverse rotation of the three-phase motor can be realized by only changing two circuits, and a circuit diagram realized by adopting a relay is shown in fig. 8.

Referring to fig. 9-10, a liquid feed spraying apparatus based on an electrically controlled three-way valve comprises a liquid pump and an electrically controlled three-way valve K3 for controlling a liquid inlet passage and a spraying passage;

the container is connected with the inlet end of the liquid pump, the outlet end of the liquid pump is connected with the first port of the electric control three-way valve, the second port of the electric control three-way valve is connected with the water inlet pipe, and the third port of the electric control three-way valve is connected with the liquid spraying pipe;

the liquid inlet channel is a channel for pumping a water inlet pipe to a container through an electric control three-way valve and a liquid pump;

the spraying channel is a channel from the container to the liquid spraying pipe through the liquid pump and the electric control three-way valve;

a container for preparing or storing a fluid feed;

the fluid feed spraying equipment based on the electric control three-way valve also comprises a liquid pump forward and reverse rotation control circuit and a valve control circuit; the valve control circuit is used for controlling the switching of the electric control three-way valve and ensuring that at most one channel of the electric control three-way valve can be conducted at each moment (either 2 channels are closed or only one channel is conducted, and two channels which are a liquid inlet channel and a spraying channel cannot be conducted); the three-way valve has various modes, the three-way valve has three channels which can be independently controlled, the control valve is used for controlling two channels, if power is supplied, the first channel is conducted, the second channel is closed, and if power is lost, the first channel is closed, the second channel is conducted, and the valve is preferably selected in the embodiment. The control can be realized through the contact of the relay, and the specific control method is the prior art.

The number of switching signal input branches based on the input switch is N, wherein N is more than or equal to 1;

when N is 1, the switch signal input branch is correspondingly connected with 1 input end of the MCU;

and when N is larger than 1, the N switching signal input branches are correspondingly connected with the N input ends of the MCU.

When the switch signal branch is one, the corresponding input switch is a non-reset switch, and the switch is closed or opened at the moment and corresponds to two definite states. For example, the liquid inlet channel is closed and opened, and the corresponding spraying channel is opened, so that the MCU controls the liquid pump to rotate forwards and backwards correspondingly.

When the switch signal branches are multiple, the corresponding input switch can be a button for releasing reset. Thus, one button is opened corresponding to the liquid inlet channel, and the other button is opened corresponding to the spraying channel.

The working state of the electric control three-way valve is controlled by the normally open contact and the normally closed contact of one relay, or the working state of the electric control three-way valve is controlled by the normally open contacts of 2 relays.

The electric control valve and the liquid pump are controlled to be linked in positive and negative rotation through a timer in the MCU, namely the electric control valve starts to act and then firstly counts time, and then the motor is controlled to start to rotate in positive and negative rotation after the time is up (the time is determined according to the opening in-place time of the electric control valve, if the invention needs 5-15s, the opening is finished, and the liquid is fed in the reverse rotation and the spraying is carried out in the positive and negative rotation.

And a relay protection circuit based on a button and a relay is adopted to control the working state of the electric control valve.

The relay protection circuit includes two buttons and 2 relays.

The relay protection circuit also controls the linkage of the positive and negative rotation starting of the electric control valve and the liquid pump through a delay relay.

The specific control is the existing mature technology.

A fluid feed spraying system based on an electric control three-way valve comprises a container and fluid feed spraying equipment connected with the container;

the fluid water spraying equipment is the fluid feed spraying equipment.

Example 3: as shown in fig. 11, the valve control circuit is a MCU-based valve control circuit;

The state of the electric control three-way valve is controlled by a normally open contact and a normally closed contact of a relay.

Description of the control process:

(1) when the SB1 is pressed down, the MCU detects the level jump of the IN01 port, the triode Q1 is controlled to be conducted, the relay J is electrified, the first port and the second port of the K3 are conducted, the other circuit controls the motor to reversely rotate, the water inlet channel is connected, and the water inlet mode is started; SB1 springs back to the original state after being pressed, and the subsequent state is not influenced.

(2) When the SB2 is pressed down, the MCU detects the level jump of the IN02 port, the triode Q1 is controlled to be cut off, the relay J loses power, the first port and the third port of the K3 are switched on, and the other circuit controls the motor to rotate forwards and spray; SB2 springs back to the original state after being pressed, and the subsequent state is not influenced.

Example 4:

referring to fig. 12, a relay protection circuit based on buttons and relays is used to control the opening and closing of the electrically controlled valve.

Fig. 4 illustrates the working process:

(1) when the SB1 is pressed down, the relay J1 is electrified, the J1-1 is closed and self-locked, the J1-3 is closed, the K3 acts, the first port and the second port of the K3 are conducted, the other circuit controls the motor to rotate reversely, the water inlet channel is connected, and the water inlet mode is started; SB1 springs back to the original state after being pressed, and the subsequent state is not influenced.

(2) When the SB2 is pressed down, the relay J2 is powered on, the J2-1 is closed and self-locked, in addition, the J2-3 is disconnected, the K3 is powered off, and the first port and the third port of the K3 are connected; the other circuit controls the motor to rotate forward to enter an injection mode; SB2 springs back to the original state after being pressed, and the subsequent state is not influenced.

The relay protection circuit also controls the linkage of the positive and negative rotation starting of the electric control valve and the liquid pump through a delay relay. The specific control is the existing mature technology.

Claims

1. A water body oxygenation method is characterized in that negative pressure is generated on the back of a propeller by utilizing the rotation of the propeller in a water body, and air is supplied to the back of the propeller by utilizing an air pipe, so that the aim of oxygenating the water body is fulfilled;

2. The water body oxygenation method of claim 1, wherein the propeller and the motor are arranged in the draft tube to achieve the effect of diversion, and convection is formed in the water body through diversion to expand the oxygenation range.

3. The method for increasing oxygen in water body according to claim 2, wherein the oxygen increase is realized by adopting an axial flow type oxygen increasing machine.

4. The method for increasing oxygen in a water body according to claim 3, wherein the axial flow type oxygen increasing machine is an oxygen increasing machine with an independent air bin or the axial flow type oxygen increasing machine is an oxygen increasing machine with an integrated air bin.

5. The water body oxygenation method according to claim 5, wherein the structure of the aerator with independent gas cabin (i.e. split impeller aerator) is as follows: comprises a flow guide cylinder body (1) and an air inlet pipe (6); the guide cylinder body (1) is internally provided with an impeller (2) and a motor (3) for driving the impeller (2) to rotate; an independent air bin (11) is arranged between the front end of the motor (3) and the impeller (2), a first end of the air inlet pipe (6) is an air inlet, the air inlet pipe (6) penetrates through the wall of the flow guide cylinder body (1), and a second end of the air inlet pipe (6) is communicated with the air bin (11); the air inlet pipe (6) is used for guiding air into the air bin (11); the front end surface of the air bin (11) is provided with a through hole (13); the motor (3) is arranged in a sealed motor box (4); the motor box (4) and the gas bin (11) are fixed in the flow guide cylinder body (1) through a support piece (10); there is axial interval between motor case (4) and gas storehouse (11), and impeller (2) are connected through pivot (15) to motor (3) output, are equipped with the bearing that is used for supporting pivot (15) on the preceding terminal surface or the rear end face in gas storehouse (11).

6. The water body oxygenation method according to claim 5, wherein the integrated gas cabin aerator is structured as follows: comprises a flow guide cylinder body (1) and an air inlet pipe (6); the guide cylinder body (1) is internally provided with an impeller (2) and a motor (3) for driving the impeller (2) to rotate; the motor (3) is arranged in a sealed motor box (4); the front end of the motor box (4) is provided with an air bin (11), the first end of the air inlet pipe (6) is an air inlet, the air inlet pipe (6) penetrates through the cylinder wall of the flow guide cylinder body (1), and the second end of the air inlet pipe (6) is communicated with the air bin (11); the air inlet pipe (6) is used for guiding air into the air bin (11); the front end surface of the air bin (11) is provided with a through hole (13); the motor box (4) and the gas bin (11) are fixed in the flow guide cylinder body (1) through a support piece (10); the output end of the motor (3) penetrates through the air bin (11) through the rotating shaft (15) to be connected with the impeller (2).

7. The water body oxygenation method of claim 2, wherein a plurality of pairs of magnetic poles are provided at the front end of the draft tube for magnetizing the water body flowing through the draft tube.

8. The water body oxygenation method of claim 2, wherein the draft tube is a cylindrical member, and a draft hood is provided at a rear end of the draft tube.

9. The water body oxygenation method of claim 2, wherein the draft tube is tapered, and the inner diameter of the draft tube increases from front to back.

10. The method for increasing oxygen in a water body according to any one of claims 1 to 9, wherein the oxygen increase is performed in combination with fluid feed spraying to increase the yield of the cultivation, and the fluid spraying is performed by using an electrically controlled fluid feed spraying device and system.