SU1638112A2 - Sewage water cleaning device - Google Patents

Abstract

The wastewater treatment device is intended for use in treatment plants for the separation of suspended substances, emulsified and colloidal organic and mineral pollutants from wastewater and can be used for the treatment of domestic and industrial wastewater. The purpose of the invention is to increase the reliability of the device. The device comprises a movable chamber 13 installed in the chamber 2 for clarification between the walls of the chamber for clarification and the wall of the primary clarifier 3. The device is equipped with flexible webs 22, / 7J / "15 & About C Foam about CX and

Description

attached to the walls of the chamber 2 and the settling tank 3. The valve 16 of the chamber 13 is connected by means of flexible elements 20 to the walls of the clarification chamber and the primary settling tank 3, with the limiters 21 located above the walls of the chamber 2 and the settling tank 3 being attached to the upper part of the chamber 13.

The presence of flexible webs 22, flexible elements 20, limiters 21, which allow free movement of chamber 13, protect valve 16 from contamination and destruction, which increases the reliability of the device, 1 sludge.

The invention relates to combined devices for the treatment of wastewater from undissolved emulsified and colloidal contaminants, suspended solids and the treatment of recovered sludge, and is complementary to the basic method of auth. No. 1263636.

The purpose of the invention is to increase the reliability of the device.

The drawing shows the proposed device, a longitudinal section.

The wastewater treatment device comprises a cylindrical housing 1, a clarification chamber 2 installed inside it, a primary clarifier 3, a central vertical pipe 4, a supply tray 5 of the original waste water, a central supply pipe 6 inside which there is a concentric pipe 4, a reflective cone 7, mounted on the pipe 4 under the lower edge of the pipe 6. The primary clarifier 3 is equipped with a conical collecting bin 8 of the sludge, the chamber 2 of lightning is equipped with a conical bottom A collection silo 9 of sediment under which the conical part 10 of the device body 1 is located. To drain waste water clarified in the primary clarifier 3, overflow pipes 11 are provided, the lower part of which is perforated and located horizontally in the flotation compartments above the aerators 12 of the clarification chamber 2. In the upper part of the chamber 2, a vertically movable in the vertical direction is opened from the bottom of the chamber 13, which moves along the guides 14 fixed to the wall of the chamber 2 from its inner side. To remove the foam from the surface of the liquid chamber 2 installed re 5

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The inlet pipes 15. The chamber 13 is provided with an air valve 16 connected by means of an air pipe 17 to the lower part of the vertical pipe 4. The upper stop part 18 of the valve, spring-loaded 19, is connected by flexible elements 20 to the walls of the lighting chamber 2 and the primary clarifier 3. To the upper part chambers 13 are attached to the stoppers 21 evenly along the length of its circumference and they are located above the walls of chamber 2 and settler 3, and flexible elastic cloths 2 are attached to the lower part of chamber 13 from its inner side 2, while the lower ends of the latter are attached to the walls of the chamber 2 and the sump 3. The valve 16 is connected to the pipeline 17 by means of a flexible pipe 23. In the upper part of the pipeline 4 a collector-degasser 24 of sediment is installed, and the pipe 25 is concentrically mounted inside the pipeline 26, the pipeline 27 collecting purified water, located above the lower edge 28 of the cylindrical part of the sump 3, while the edge 28 is located below the upper edge 29 of the conical part of the same sump. Purification of purified water is carried out through the pipeline

30, sludge removal by pipeline

31. In the pipe 4 there are holes 32 located above the lower edge of the conical part of the hoppers 8.

and 9 septic tanks 3 and chambers 2.

The device works as follows.

The original wastewater through the tray 5 and the pipeline 6 enters the primary clarifier 3, where it is subjected to settling, while the delayed contaminants are collected in a conical

five . 16 of the bunker 8, and the clarified water is led through pipelines 11 into the flotation compartments of the clarification chamber 2, where it is floated with bubbles of air supplied through the aerators 12. The clarified wastewater in the flotation compartments enters the lower part of the clarification chamber 2, where it is subjected to additional clarification, with This contamination is deposited in the conical part of the bunker 9 of the chamber 2. The purified water is collected by the perforated pipe 27 and is led through the pipe 30 from the device. The exhaust air in the flotation compartments in chamber 2 is collected by an open bottom chamber 13, which rises along the guides 14 as air accumulates beneath it. Foam from the flotation compartments is discharged through pipelines 15. As the chamber 13 is lifted, the elements 20 are drawn by valve spring 19 16 is compressed, while air from chamber 13 through air duct 17 enters the lower part of pipeline 4. Due to the air-lift effect, sediment from conical bunkers 8 and 9 through holes 32 enters the collector-degasser 24 and further along the sediment duct 26 - into the body 1 device. Due to the aerobic treatment of the sludge, it is mineralized, as a result of which it does not rot, and its moisture-absorbing properties are improved. As the air is released from the chamber 13, the latter descends, while the valve 1b closes, stopping the flow of air into the pipeline 4. The movement of the chamber 13 downwards is limited by the limiters 21, which, resting on the walls of the chamber 2 and the sump 3, prevent the valve 16 from loading foam and also protects

Editor M.Nedoluzhenko

Compiled by T. Ledneva

Tehred M. Didyk Proofreader S.Yekmar

Order 899

Circulation 633

VNIIPI State Committee for Inventions and Discoveries at the State Committee on Science and Technology of the USSR 113035, Moscow, Zh-35, 4/5 Raushsk nab.

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measure 13 from hitting pipes 15. Elastic webs 22 allow all air supplied through aerators 12 to be collected into chamber 13, since the gap between the walls of chamber 2 and 13 is blocked by them, while the elasticity of the cloths does not interfere with the movement of chamber 13, but the extent of further accumulation the air in the chamber 13, the process of lifting and releasing the air through the valve 16 is repeated.

Due to the presence of flexible webs 22, stops 21 and elements 20, by which valve T6 is connected to the walls of chamber 2 and sump 3, the reliability of operation of the device is increased by preventing contamination of valve 16, the gap between chamber walls 13 and 2 and sump wall 3.

Claims (1)

Invention Formula Wastewater treatment device according to ed. St. No. 1263636, characterized in that, in order to increase its reliability in operation, the device is equipped with limiters attached to the upper part of the open bottom of the chamber evenly along the length of its circumference and located above the walls of the illuminating chamber and primary clarifier, with flexible elastic sheets attached by upper edges to the lower part of the open bottom of the chamber from its inner side, and lower ones to the walls of the clarification chamber and the primary settling tank, while the spring-loaded valve is connected to the walls of the chamber by the upper stop part ры clarification and primary settling tank through flexible elements. Subscription