Electrophor, Inc.

Vladimir Sergeevich Urozhaev

Joseph Lvovich Shmidt

Yurij Vladimirovich Tatuev

Jozeph Lvovich Shmidt

Uriy Vladimirovich Tatuev

Joseph L Shmidt

A valved raw liquid supply line, which is connected to a filtration unit including a liquid purification unit with an inlet and with outlets for purified liquid and drain liquid, a mixing device, a means for maintaining pressure, a means for maintaining a recirculating flow of liquid, which is located on a line supplying a mixture of raw liquid and concentrate upstream of the liquid purification unit, a recirculating line, a purified liquid line, a drain liquid line, and a control unit, which is connected to the means for maintaining pressure, pressure monitor, the raw liquid supply valve and a drain liquid discharge valve. The means for maintaining pressure is located on a raw liquid supply line upstream of the liquid mixing device. The technical result is a longer system working life, more efficient use of raw liquid, and reduced energy expenditure.

System for purifying a liquid

The claimed invention relates to a filtering device for purifying a liquid, intended for softening and purifying tap water and other liquids for domestic use. A device for purifying a liquid, having an inlet channel and an outlet channel, consists of at least two tanks, one for a softening agent and one for a regenerating solution, and a control mechanism including a housing, which consists of at least three parts which form chambers and liquid-conducting cavities, at least two pistons, which are located in the chambers and which are linked by means of a cam mechanism to an engine, a saline valve, and a discharge valve; the control mechanism is designed such that the pistons can move simultaneously in the chambers in opposite directions, at the same time alternately shutting off the liquid-conducting cavities in the housing; at least two liquid-conducting cavities are formed between the indicated portions of the housing, and at least one cavity is formed between the closest portion of the housing to the upper portion of the tank for the softening agent and the upper portion of the tank for the softening agent. The technical result consists in increasing the reliability and simplifying the design of a device for purifying a liquid, and in decreasing the weight of the device for purifying a liquid.

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St. Petersburg, Russia

Vladimir Sergeevich Urozhaev