НИИ ФХП БГУ

Учреждение БГУ "Научно-исследовательский институт физико-химических проблем" (НИИ ФХП БГУ)

Technology of hydrolytic removal of electricmotor stator windings

 

Технология демонтажа обмоток статоров
электродвигателей гидролитическим способом

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  
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