SU1255583A1 - Water aeration apparatus - Google Patents

Description

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The invention relates to commercial fish farming, namely to devices for aerating the zods in a water well for purposes of.

The purpose of the invention is to increase the efficiency and stability of the aeration process of water.

Figure 1 shows a device for aerating water, a longitudinal section; FIG. 2 is a view A of FIG. on fig.Z - section bb in fig.iia figure 4 - section bb in figure 1; Fig, 5 - VI, C G in Fig ..

The device contains a propeller and a nozzle 2 with a propeller 1 located in it. In the case of the electrode chamber 3, the electrode holders 4 are mounted, the holder is made of an electrically insulating material with dovetail-type slots and. podrunsinennyi porous rubber i.e. with current conduits} from them. The anodes 5, inserted into the grooves of the holders of the oct. 1, o 4, are attached to the anode bus 6, the cathodes 7 to the cathode bus 8.

To the electrode, 1st unit, the docking unit is a sectional diaphragm separator 10, which provides cjiiO-KHT to release hydrogen from the cathode WATER to the atmosphere and return and purified water to the inlet of the device.

The device works in the following way.

When the propeller I is in operation, a turbulent flow of water is created, which through the slit of the deflector nozzle 2 enters the electrode chamber 3. By changing the cross section of the nozzle, the speed of the water flow in the interelectrode space of the chamber 3 is reduced to positions of elementary volume of water with oxygen gas environment and its saturation to the required degree (up to 70 mg / l).

The diaphragm separator 10 operates as follows.

You kisses hydrogen on the surface of the cathode 7 due to lightness — it is an order of magnitude stronger than oxygen, and is concentrated in the upper mouth of the cathode surface at the ends of the 55, together with part of the water flow is cut off by the separator diaphragms and removed on tray for

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ensuring the flotation of hydrogen into the atmosphere, after which the water, together with the untreated mass, is carried to the inlet of the device.

5 The feasibility of a diaphragm separator in the form of curvilinear pipes placed at the ends of the cathodes is that during the electrolysis of water, 2 g-eq of hydrogen is released on the cathode surface per 1 g-eq of oxygen on the anode surface. Taking into account that with a water temperature of + 5 ° C, the absorption coefficients are 0, 0.0204

 5 and 0.0429, the hydrogen dissolution process is in competition with the oxygen dissolution process. Therefore, it is advisable to remove hydrogen from the stream, which is achieved by supplying the ends of curvilinear pipes with diaphragms that cut the water flow to oxygen containing, flowing into the reservoir, and hydrogen-containing, brought to the surface of the reservoir. The curvilinearity of the pipes is due to the minimum of hydro-resistance of the hydrogen-water mixture.

The surface area of the electrodes exceeds the cross-sectional area of the water stream by more than 50 times. The fine mesh of the grid, oscillating with the plane of the electrodes in a turbulent water flow, not only protects the electrodes from contamination. neither particles of organic or inorganic origin, and also contributes to the disruption from the surface of the anodes of microscopic particles (10-20 microns) of electrolysis oxygen, which contributes to a more complete dissolution of oxygen in water. To remove cathode hydrogen containing water from water, a device

45 is additionally equipped with a diaphragm separator made in the form of curvilinear pipes placed at the ends of the cathodes.

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The degree of oxygen saturation of the aerating water is determined by the exposure time of the water, the intensity of the electrolysis process, and the surface area of the electrodes.

The intensity of electrolysis depends on the chemical composition of the water and the parameters of the electrically current: the graph of the voltage and density of the current.

the surface of the anode. Taking into account that with a water temperature of + 5 ° C, the absorption coefficients are 0, 0.0204

and yo 0.0429, then the hydrogen dissolution process is competitive with the oxygen dissolution process. Therefore, it is advisable to remove hydrogen from the stream, which is achieved by supplying the ends of curved pipes with diaphragms, which cut the water flow into the oxygen-containing, flowing into the reservoir, and hydrogen-containing, withdrawn to the surface of the reservoir. The curvilinearity of the pipes is due to the minimum of hydro-resistance of the hydrogen-water mixture.

The surface area of the electrodes exceeds the cross-sectional area of the water stream by more than 50 times. The fine mesh of the grid, oscillating with the plane of the electrodes in a turbulent water flow, not only protects the electrodes from contamination. neither particles of organic or inorganic origin, and also contributes to the disruption from the surface of the anodes of microscopic particles (10-20 microns) of electrolysis oxygen, which contributes to a more complete dissolution of oxygen in water. To remove cathode hydrogen containing water from water, a device

It is additionally equipped with a diagonal separator made in the form of curvilinear pipes placed at the ends of the cathodes.

The degree of oxygen saturation of the aerating water is determined by the exposure time of the water, the intensity of the electrolysis process, and the surface area of the electrodes.

The intensity of electrolysis depends on the chemical composition of the water and the parameters of the electrically current: the graph of the voltage and density of the current.

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Thus, the device allows to increase the E (1x}) efficiency and stability of the water aeration process, control the degree of water saturation with oxygen, and also partially purify it from dissolved salts and contaminants due to coagulation at the ion-molecular level.

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The proposed device makes it possible to increase the reliability of aeration of water bodies, to eliminate the oversaturation of water with nitrogen by fish, as well as the ballast saturation with hydrogen. In addition, water cooling during aeration during the winter period is excluded.

FIG. 2

FIG. d

in-in

Editor I. Derbak

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Compiled by L. Yuldasheva Tehred M. Khodanych, Proofctors. Maximiaman

Order 4780/26 Circulation 864 Subscription

VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Production and printing company, Uzhgorod, st. Project, 4

in id

Claims (2)

1. A DEVICE FOR WATER AERATION, permanently mounted on a floating pontoon, including a nozzle with a propeller located in it, connected to the drive, as well as a gas medium generator with inert electrodes, connected to a current source, characterized in that, in order to increase efficiency and stability of the aeration process, the electrodes are made in the form of a block of flat plates located along the axis of the propeller, with each electrode covered with a dielectric fine mesh. 2. The device according to claim 1, wherein the device is equipped with a diaphragm separator made in the form of a curved pipe with grooves located at the ends of the cathodes. "§