SU887045A1 - Apparatus for cleaning pipeline inner surface - Google Patents

Description

one

The invention relates to devices for cleaning hollow articles, namely for cleaning drainage pipes.

A device for cleaning the internal surface of a pipeline, containing a container, is known by means of a primary and secondary supply lines for the working fluid and connected to the pipeline to be cleaned, and pumps, one of which is installed on the main highway 1.

The disadvantage of this device is high energy consumption due to high air flow during cleaning of large diameter pipelines.

The aim of the invention is to reduce energy consumption by reducing the flow rate of the working fluid.

The goal is achieved by the fact that the device contains a tank, through the main and additional supply lines of the working fluid associated with the pipeline to be cleaned, and pumps, one of which is installed on the main highway. In addition, the device has a two-chamber power piston with rigidly connected pistons, non-return valves and a switch, with the sub piston and supra piston cavities of the power steering chamber through non-return valves communicating with an additional line, one 30

of the check valves is installed on the main line, and the second pump is connected via a switch to the sub piston and over piston cavities of the control chamber of the hydraulic booster.

The drawing shows a diagram of a device for cleaning the internal surface of a pipeline.

The device contains a tank 1 connected to the main 2 and an additional 3 lines, a pump 4 mounted on the main line, a piston two-chamber hydroxy-sols 5 having a working chamber 6, a piston 7 and a supra piston 8 cavities of which are connected by non-return valves 9 with an additional line, and control chamber 10, sub-piston II and over-piston 12 cavities of which via a switch 13 are connected to a second pump 14, a check valve 15 installed on the main line, safety check valves 16 and 17, a cam 18, an accumulator torus 19, valve 20, pipe 21 and 22, flushing hose 23.

The proposed installation works as follows.

The pipeline is cleaned using pump 4, which supplies the working fluid at the minimum required pressure and flow.

The liquid through the open valve 20 and the check valve 15 is fed into the flushing hose 23. This mode is the longest, corresponds to the lowest energy intensity of the process and is designed to clean the walls of the pipeline from sludge.

To supply a higher pressure, the pasos 14 is connected, connected to the cam 18, which by means of the switch 13 alternately supplies fluid from the pump 14 through pipelines 2 and 22 to the piston AND and the piston 12, sockets, and its chambers 10, reporting pistons 24 reciprocating motion.

In the working chamber 6, as a result of movement and high pressure in the control, our chamber 10, there is a pressure inversely proportional to the difference in the diameters of the working 6 and control, her 10 chambers of the hydraulic booster, the value of which exceeds the pressure created by the pump 4.

The pressure developed in the working chamber of the hydraulic booster through the overflow valves and the non-return valves 16 and 17 transfers the fluids in the flushing hose 23 and charges the accumulator 19 intended to smooth out the pulsation of the operating fluid.

The presence of a check valve in the main line helps maintain pressure in the flushing hose. Valve

Prevents fluid from escaping through the flushing hose. Reducing the flow of working fluid reduces the energy consumption of the device.

Claims (1)

Invention Formula A device for cleaning the internal surface of the pipeline, containing a container, by means of the main and additional lines for supplying the working fluid associated with the pipeline being cleaned, and pumps, one of which is installed on the main line, characterized in that, in order to reduce energy consumption by reducing the consumption of the working fluid, it has a piston two-chamber hydraulic booster with rigidly connected pistons, check valves and a switch, while the piston and over piston cavities of the working chamber are hydraulic boosted L through the check valves communicate with the additional line, one of the check valves is installed on the main line, and the other pump is connected via a switch to the piston and over piston cavities of the hydraulic booster control chamber. Sources of information taken into account during the examination 1. USSR Author's Certificate No. 329910, cl. In 08B 9/08, 1968.