UA117600U - WORKING AUTHORITY FOR ELECTRO-HYDRAULIC INSTALLATION - Google Patents

Abstract

The working body for the electro-hydraulic installation contains positive and negative electrodes connected to the pulse current generator, separated by an insulating element. It is provided with additional electrodes attached to the insulating element and separated discharge intervals.

Description

The proposed technical solution belongs to the devices that allow the implementation of technological processes using discharge-pulse technology, which is mainly intended for the destruction of monoliths, as well as for the cleaning of hollow products of large and small diameters from deposits. These are pipelines of mine drainage, sludge pipelines of metallurgical plants, main water pipelines, storm sewers, etc.

The use of discharge-impulse technology (electro-hydraulic action) in industry requires the creation of highly resistant to temperatures and mechanical effects of working organs - electrodes. Usually these electrodes have a simple design, providing a powerful underwater discharge at one point.

A well-known device for downhole electro-hydraulic destruction of mining rocks, which contains an energy pulse generator and a cylindrical body with a two-electrode discharge chamber placed in the latter, while additional discharge chambers are made in the body, and the electrodes are connected to the energy pulse generator in series. In addition, the discharge chambers are placed on the side surface of the case behind the two-west spiral line (see auto. certificate Mo 1124632 ex-USSR, E21С 37/18, publ. 07.01.92. Bull. Mo 1).

The known design allows you to change the length of the discharge gap and, thereby, to change the effect of the electric explosion on the object of treatment, however, it is impossible to significantly change the shape of the arc discharge, for example, to significantly extend it in such a way as to affect a long section of the pipeline without moving the working body, and this is the main drawback of the known technical solution, defined as a prototype.

The useful model is based on the task of creating a working body for an electro-hydraulic installation, changing the surface design of which allows to increase the effectiveness of its impact on the processing object without moving along the pipeline, which reduces the cleaning time.

The task is solved by the fact that the working body for the electro-hydraulic installation, which contains the positive and negative electrodes connected to the pulse current generator, separated by an insulating element, according to a useful model, is provided with additional electrodes fixed on the insulating element and separated by discharge gaps.

In fig. 1 shows a section of the proposed working body, in fig. 2 - section along A-A.

З The proposed working body contains a pulse current generator 1, to which the positive 2 and negative З electrodes are connected. An insulating element 4 is located between them.

Auxiliary electrodes 5 are placed on the insulating element 4 at a distance A from each other.

The positive electrode 2 is connected to the "plus" of the generator 1, and the negative electrode C - to the "minus" of the generator.

The working body, placed in an object filled with an electrically conductive liquid, which needs to be cleaned, functions as follows. The current pulse from generator 1 is supplied to electrodes 2 and 3 of the working body. The interelectrode spaces of AD auxiliary electrodes 5 are pierced, and electric discharges occur between them, that is, an arc that initiates pressure waves in the liquid. At the same time, the arc turns out to be elongated, ensuring the cleaning of an extended object without moving along the working body.

The length of the object of influence, which is processed simultaneously, in this case, is determined by the total length of the intervals A between the additional electrodes 5 and is limited only by the value of the operating voltage of the generator.

Thus, the electric arc affecting the object of treatment, for example, deposits in the pipeline, consists of several arcs burning in the discharge gaps between the auxiliary electrodes 5, and is stretched to a distance equal to the total number of gaps

And between electrodes 5. This ensures an increase in the efficiency of the working body.

The use of the proposed technical solution for an electro-hydraulic installation allows efficient cleaning of pipelines without moving the working body along the pipeline, which reduces the cleaning time.

Claims (1)

USEFUL MODEL FORMULA A working body for an electro-hydraulic installation, which contains positive and negative electrodes attached to the pulse current generator, separated by an insulating element, which differs in that it is provided with additional electrodes fixed on the insulating element and separated by discharge gaps.