SU1546434A1 - Apf coagulating and separating slime from water - Google Patents

Abstract

The invention relates to water purification devices using coagulants and can be used in machine-building, metallurgical, chemical, petroleum, coal and other national household goods, allows to increase the efficiency of coagulation and flocculation, efficiently use water energy and regulate displacement intensity. A device for coagulation and separation of sludge from water consists of a cylindrical coagulation chamber 1 with a screw 2, a chamber 4 for separating sludge, a chamber 5 for clarified water, a perforated pipeline 7 for supplying air, branch pipes: supplying treated water 9, discharging purified water 10, sludge 11, air 12, inclined mesh partition 6, separating chamber 4 and 5. In the lower part of the screw 2, plate-turbulators 8 are installed perpendicular to the flow of the water being purified. The nozzle 9 is installed in the lower part of chamber 1 with the possibility of rotation and is made in the form of a nozzle with behind curved end. 1 hp ff, 1 ill.

Description

The invention relates to water purification devices using cramps and can be used in mechanical engineering, metallurgy, chemical, petroleum, coal, and other industries of the national economy.

The purpose of the invention is to increase the efficiency of coagulation and flocculation, rational use of the energy of the water flow and the ability to control the intensity of mixing.

The drawing shows a diagram of the device.

The device comprises a cylindrical coagulation chamber 1, inside which vertically lies a screw 2, the axis of which rests above and below on bearings 3, a slurry separation chamber 4 and a clarified water chamber 5, chambers 4 and 5 are separated from each other by an inclined mesh partition 6, under which perforated pipeline 7, located at the bottom of chamber 5, small air bubbles are supplied. In the lower part of the screw 2, perpendicular to the cleaned flow of water, plates-turbulators 8 are installed. The treated water with coagulant is introduced through the pipe 9, ending with a nozzle with a curved end. Pipe 9 is installed on bearings and is capable of turning

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rachivats along their small pox. The discharge of purified water is carried out through the pipe 10, the sludge is discharged through the pipe 11, air through the pipe 12. To remove possible deposits of the slurry and the chamber of clarified water 5 and empty the device, a pipe 13 is provided.

The device works as follows. .

Purified water with coagulum introduced into it under pressure through pipe 9 with a curved nozzle enters the lower part of the cylindrical coagulation chamber 1. A water jet from the nozzle hits the surface of the screw 2 and into the plate-turbulizers 8. This causes mixing of the water being purified from the coagulum and the screw 2 are in rotation. By turning the input nozzle of the water to be purified 9, the direction of the water jet can be changed with respect to the surfaces of the plate-turbulators 8 and thereby control the speed of rotation of the screw 2. This, in turn, allows you to adjust the intensity of the mixing system in chamber 1 flow rate of water to be purified. The formation of flakes is carried out in the upper part of chamber 1, where the plate-turbulizers 8 are absent, and the rotation of the auger promotes efficient flocculation. During the passage of water between the screw-shaped surfaces of the auger, the flakes are enlarged. Formed flakes with water flow and rotating screw 2 are carried up into the sludge separation chamber 4, where slanting mesh 6 is crawled and discharged through pipe 11. At the same time, light bubbles are provided through the perforated pipe 7. At the same time, bubbles air exclude clogged inclined mesh partitions b and

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sludge from the stream of clarified water in the chamber 5. Clarified

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water is discharged from the device through port 10. Air is removed through port 12.

The use of the device allows, in comparison with the existing one, to use the energy of the stream of water being purified to mix water with the coagulant and thereby eliminate the need for additional energy from outside. Coagulation and flocculation are also improved.

Claims (2)

1. A device for coagulating and separating sludge from water, including a cylindrical coagulation chamber with a mixing device in the screw auger, a clarified water chamber, water supply nozzles with coagulant, removal of purified water and sludge, so that, in order to increase the efficiency of coagulation and flocculation, rational use of the energy of the water flow and the ability to control the mixing, it is equipped with plates-turbulizers installed in the lower part of the auger, whose axis is provided with bearings at the top and bottom, a slurry separation chamber located in the upper part of the body, an inclined mesh One separating chamber for separating sludge and clarified water, and a perforated air supply pipe located in the lower part of the clarified water chamber, while the water inlet with coagulum is rotatably mounted in the lower part of the coagulation chamber and is designed as a nozzle with curved end. 2. A device according to claim 1, characterized in that it is provided with a pipe for exhausting air. If -b