SU1446412A1 - Diagram of dredger pump hydraulic ash removal - Google Patents

Abstract

The invention relates to hydraulic ash systems and can be used in thermal power plants operating on solid materials. The purpose of the invention is to ensure the reliability of the hydraulic ash removal system, not by launching the backup bump pump to the open valve. The essence of the invention is that an additional non-return valve 3 is installed on the slurry pipe 6 at the pump 2 head, the high-pressure clarified water supply pipe 8 is slammed behind the slide valve; The valve at the pressure of the backup pump is open and the valve is blocked by the plug; from clarified water. 1 il. i cl

Description

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The invention relates to a hydraulic ash removal system and can be used in thermal power plants operating on solid fuels.

The purpose of the invention is to ensure the reliability of the system of hydraulic ash removal of the launch of the backup pump through the launch of the backup pump on the open valve.

The drawing shows the arrangement of the fittings and the supply of clarified water,

The scheme includes dredge pumps: operating 1 and reserve 2 pumps, check valves 3 and 4, valves 5, slurry pipe connecting the backup pump (from the pump to the working line) 6, trunk slurry pipe 7, pipelines for supplying clarified water 8, stop valves 9.

In the proposed scheme, the control valve 5 has a repair role, they are closed only for the period of repair of the pump 2,

The role of the closing organ is played by the water on the cork of high-pressure water. A stopper is formed between the reverse valves 3 and 4, to form a stopper.

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Through the small-diameter pipelines, in a small amount, through the valves 9, the clarified water is supplied to the slurry pipeline of the backup pump 6, the pressure of which is higher than the slurry pressure of the medium; cleans the pipeline section of the connection from the backup pump 2,

Claims (1)

Invention Formula The scheme of a bumper pump hydrosol removal, containing a robot and reserve bumper pumps and pulp lines, gate valves, and non-return valves installed along the medium motion on the pipe lines, in order to ensure the reliability of the system of hydraulic ash removal by starting the backup bump pump. to the open gate valve, it is equipped with an additional check valve installed first along the medium motion, and a pipeline for supplying high-pressure clarified water embedded behind the valve.