Technology of stator winding removal with hydrolytic method

Purpose

The original composition and technology have been developed for hydrolytic removal of electric motor stator windings.

Range of application

electrical repair shops

Physical chemical characteristics of the working solution

appearance	Colorless transparent solution containing white gel-like sediment
density of 10 % solution at 20 °С, g/sm3	1.21.3
hydrogen ions concentration of 10% solution (рН)	10–12
solid residue mass fraction, %	20±5

Composition service performance

danger class	3
operating temperature, °С	60–70
processing time, hour	3–4
retention cycle, years	2

Advantages:

► exclusion of active steel interleave insulation damage;
► preservation of electric motor stator case geometric parameters;
► improved quality of repair owing to taking more accurate windings data;
► no harmful substances emission;
► solid wastes safe utilization;
► safety in operation at solution temperature up to 100 °С.

Manufacturing application - the technology is applied to enterprises of «Belelectroremont».

Forms of cooperation:

• sale of licenses to use the technology;
• sale of technological documentation to obtain the solution,
• making solution delivery contracts,
• joint production.