RU207664U1 - DEVICE FOR INCREASING THE INTENSITY OF WATER OXYGENATION - Google Patents

Abstract

The utility model can be used to increase the oxygen content in the reservoir. The device for increasing the intensity of oxygenation of the reservoir includes a hollow body containing a partition made with the possibility of overflowing water through it and dividing it into two parts inside, atomizers - the main one in the first part and a compensation one - in the second part, the oxygen supply pipe, the connection for the oxygen supply line, the oxygen intake pipe from the body and the oxygen supply pipe to the atomizers. The device increases the contact time of oxygen with water during the oxygenation process.

Description

The utility model can be used to increase the oxygen content in a water body.

Known oxygenator [Oxygenator. Patent application for invention RU No. 2013 138 382, published on February 27, 2015], consisting of an elongated cylindrical body, a gaseous oxygen supply pipe, a gas outlet valve and a water outlet pipe, characterized in that the water supply pipe is connected to the system " water lock ", the elongated cylindrical body with its lower part is hermetically fixed inside the cylindrical base containing at least one water outlet pipe, while on the lower part of the elongated body along the entire circumference there are slots for water passage, and between the walls of the elongated body and the base a system of vertical barriers allowing fluid to move in different directions.

The disadvantage of this oxygenator is that it cannot be placed directly in a reservoir and does not intensify the dissolution of oxygen in water.

A well-known device for oxygenation of a reservoir [Water quality improvement apparatus. D1 JP 2007209883 A, 08.23.2007, [0001] - [0004], [0020] - [0040]], which consists of a hollow body with openings for water inlet and outlet, a vertical channel on the right side of the body, a compressor, a pipeline with perforations for air supply into the body cavity. The device works as follows: the device is installed on the bottom of the reservoir, water fills part of the internal volume of the body. In the air-filled part of the hollow body, a pressure exceeding atmospheric pressure is generated. The compressor is switched on, which supplies atmospheric air through the pipeline. Further, air enters the inside of the housing through the perforation in the pipeline. In the process of raising air bubbles to the part of the body cavity filled with air, oxygen in the air dissolves in water. During operation, the volume of air in the body increases. The water level in the casing drops below the upper edge of the outlet and part of the air from the cavity enters the vertical channel and rises through it to the surface of the reservoir. The air-lift effect takes place in the channel and water from the body is also sucked in along the vertical channel and is replaced with new water through the inlet in the opposite part of the body.

The disadvantage of this device is that it provides contact of atmospheric air with water, which is not effective for dissolving oxygen, since the oxygen concentration in atmospheric air is about 20%.

It is known taken as a prototype device for intensive oxygenation of the reservoir [Pat.RU195630U1 RF, Device for intensive oxygenation of the reservoir IPC C02F 7/00 (2006.01). / Tikhonov E.A .; applicant and patentee Federal State Budgetary Educational Institution of Higher Education "Petrozavodsk State University" - №2019139532; application 12/03/2019; publ. 02/03/2020], which consists of a hollow body, inside which a partition is mounted, dividing the body into 2 parts, and a spray located in one of the parts. Moreover, there is a gap in the lower part of the partition. An intake pipe and a pipe for supplying an oxygen-air mixture to the sprayer are installed on the body. Also, the device includes a fitting for connecting the oxygen supply line. Moreover, the fitting for connecting the oxygen supply line can be located both on the body and on the intake pipe or the oxygen-air mixture supply pipe.

The disadvantage of this device is the rapid passage of water through the full body and, as a consequence, insufficient time for the oxygenation process.

The technical result of the proposed device is to increase the contact time of oxygen with water during oxygenation.

The technical result is achieved in that the second part of the hollow body of the device is equipped with a compensation atomizer, the volume of oxygen supply of which is less than that of the main atomizer.

FIG. 1 shows a diagram of a device for increasing the intensity of oxygenation of a reservoir.

The device for increasing the intensity of oxygenation of the reservoir consists of a hollow body 1, inside which a partition 2 is mounted, dividing it into two parts. In the first part of the hollow body there is the main nebulizer 6, and in the second compensation nebulizer 7. On the body there is an oxygen intake pipe 3 from the hollow body 1 and a pipe for supplying oxygen 4 to the nebulizers 6. Also, the device includes a fitting for connecting the oxygen supply line 5 ( see Fig. 1).

The device for increasing the intensity of oxygenation of the reservoir works as follows. The device is installed on the bottom of the reservoir with a hollow body 1, either suspended in the water column, or not completely submerged under the water surface. Water, getting inside the hollow body 1, forms a gas cavity inside it. To ensure the water level inside the hollow body 1 flush with the baffle 2, excess gas is removed from the gas cavity inside the body 1, through the connection for the oxygen supply line 5. Since the gas cavity inside the hollow body 1 is not connected to the atmosphere, the gas pressure in the cavity will be above atmospheric and will depend on the immersion depth of the device. Further, oxygen under pressure is supplied through the connection fitting of the oxygen supply line 5. The oxygen pressure supplied through the main atomizer 6 is adjusted to expel water from the hollow body 1 to the level shown in FIG. 1. Upon reaching this level, the oxygen supply stops. The mass of the device is selected in such a way that it provides the device with negative buoyancy. Further, oxygen is pumped from the gas cavity inside the hollow body 1 through the oxygen intake pipe 3 to the oxygen supply pipe 4, from where oxygen is supplied to the main nebulizer 6 and the compensation nebulizer 7. Oxygen, passing through the main nebulizer 6, breaks down into microbubbles and enters water inside the first part of the hollow body 1. Thus, the gas-water contact area increases and the active dissolution of oxygen begins during the rise of microbubbles to the gas cavity inside the hollow body 1. During the rise of microbubbles inside the first part of the hollow body 1, a gas-water mixture is formed, the density of which is lower than the density of water at the depth of the device. Because of this, the column of the gas-water mixture rises above the partition 2 and water is overflowed into the second part of the hollow body 1, where oxygen is supplied from the compensation atomizer 7 towards the downward flow of water, slowing down the speed of water passing through the device and increasing the contact time of oxygen with water in the process of oxygenation. Then water flows out of the hollow body 1 by gravity, and a new portion of water enters from the other side (see Fig. 1). Further, the oxygen that did not have time to dissolve is again collected in the gas cavity of the hollow body 1. Since some of the oxygen did not dissolve, the pressure in the gas cavity decreased and oxygen supply resumes through the oxygen supply line 5. The pressure rises - the oxygen supply stops. Then the process is repeated. In this case, the air concentration gradually drops to 0, and oxygen is supplied to the main atomizer 6 and the compensation atomizer 7.

Claims (1)

A device for increasing the intensity of oxygenation of a reservoir, including a hollow body containing a partition dividing it into two parts inside, made with the possibility of overflowing water through it, sprayers - main and compensation, an oxygen supply pipe, an oxygen supply line connection, a pipe for taking oxygen from the body and a pipe for supplying oxygen to the atomizers, characterized in that a compensation atomizer is installed in the second part of the hollow body, the volume of oxygen supply of which is less than that of the main one.

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