RU1797945C - Water purification device - Google Patents

Abstract

The invention relates to devices for filtering water purification and allows to increase productivity and reduce the cost of the regeneration of the granular charge. An annular window with a mesh partition installed with the possibility of vertical movement with floats is made in the housing. A ring-shaped chamber with a granular loading is mounted coaxially to the housing; a conical shell is connected coaxially to the bottom, which is connected to the mesh by an elastic membrane. Purified water flows through the nozzle into the housing, where large impurities are separated, which are discharged through the nozzle. Then water flows through a mesh screen s a granular charge, the filtrate is collected by an annular collector and discharged through a nozzle. When loading is contaminated, flow resistance increases and fluid level rises. The float moves up, raises the baffle, and a dirty load from the chamber moves between the bottom and the shell and is discharged along the nozzle. As the hydraulic resistance decreases, the liquid level in the housing decreases, the floats rise and the net closes the window, preventing the load from moving. 1 s.p., f-ly, 5 ill. . i-RT-iai

Description

The invention relates to equipment for treating water from mechanical contaminants and may find application in various sectors of the national economy.

The purpose of the invention is to increase productivity and reduce the cost of recovering a granular charge.

In FIG. 1 shows a diagram of a device, a General view; in FIG. 2 is a sectional view of A.A. A; in FIG. 3 - node I, the mesh partition is partially raised upward, the moment of removal of the spent load; in FIG. 4 - general view of the device with an additional bottom; l in FIG. 5-node II,

The device comprises a cylindrical body 1 with a conical bottom 2 and nozzles 3 and 4 for supplying source water and discharging sludge placed on the side surface, a window 5, a mesh partition b, an annular float 7, a chamber 8 with a granular filter load 9.

 The mesh partition 6 closes the window 5 and is suspended on flexible bars 10 to the float 7. The chamber 8 is connected to the housing and communicated with the cavity of the housing 1 through the window 5. The chamber 8 is installed ring-shaped and placed coaxially with the housing. Window 5 is made around the perimeter of the housing 1. The mesh partition 6 is installed in the form of a cylindrical ring. The outer wall of the chamber 8 at the level of the window 5 is provided with holes with a mesh N-ring

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lecturer 12 with a pipe.13 drainage of the filtrate. The mesh screen 6 is installed with the possibility of vertical reciprocating movement.

It is advisable that an additional conical shell 15 is installed above the conical bottom 2 with a gap 14 coaxially on the bottom, the upper part of which is connected to the lower part of the mesh partition b through a waterproof elastic membrane 16, and the lower one is connected to the pipe 4. In this case, the bottom 2 should be equipped with a pipe 17 to divert the contaminated charge 9. t

The device operates as follows. ,

Source water through the pipe. 3 is fed into the housing 3, where coarse-grained particles of mechanical impurities are separated, which are deposited on the bottom 2. Then, water passes through the mesh partition 6, window 5, the granular charge 9 is introduced through the holes with the mesh 11 into the collector 12, and then it is discharged from the filter through the pipe 13.

During the filtering process, the lower part of the granular charge 9 is contaminated, which causes an increase in hydraulic resistance and an increase in the water level in the housing 1.

 As a result of this, the float 7 moves up and raises a mesh partition b, which opens a window

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Due to the pressure created by the column of the granular charge 9, the contaminated layer of the granular charge is displaced through the window 5,., Which is poured on the bottom 2. As a result, the hydraulic resistance during water filtration decreases, its level in the housing 1 decreases. Float 7 moves down along with the partition 6, which closes the hole 5, preventing further displacement of the granular load.

In the case of using an additional conical shell 15 when lifting the mesh partition 6, the lower contaminated layer of granular charge is poured into the gap 14 and is removed from the filter through the pipe 17. In this case, thanks to the conical

the shell 15 and the elastic membrane 1 ensure isolation of the discharge of the spent granular charge from the discharge of sludge.

Feasibility

The proposed device, compared with the prototype, consists in increasing its productivity by 5-7 times due to a significant increase in the filtration surface due to the installation of a container with a granular ring-shaped loading, which allowed filtering along the entire perimeter:

Moreover, the proposed device provides a separate discharge of the spent charge for subsequent regeneration, which prevents it from mixing with the sludge, thereby reducing the cost of regenerating the charge by 1.5-2 times.

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Claims (2)

1. A device for water purification, comprising a cylindrical body with a conical bottom and nozzles for supplying water and discharging sludge, a window placed on the side surface of the body, equipped with a movable mesh partition connected to the float, a granular loading chamber connected to the body and a nozzle for draining the filtrate, characterized in that, in order to increase productivity and reduce the cost of regenerating the granular charge, a chamber with a granular loading is made ring-shaped, placed coaxially with the housing, equipped with a ring-shaped collector for collecting the filtrate attached to the outer wall of the chamber and to the pipe for draining the filtrate, and the mesh partition is made with the possibility of vertical reciprocating movement: 2. The device according to p. to the nozzle for discharge of sludge, and a discharge outlet pipe connected to a conical bottom.  {/ aejj f