Technology of hydrolytic removal of electricmotor stator windings
Patent of Belarus №8827
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/см3 | 1.2−1.3 |
| 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