The Plant’s design includes Fuller’s Earth reactivation in situ for continuous reuse of Fuller’s Earth. Fuller’s Earth regeneration facility will allow oil processing to be carried out using one set of columns whilst the other set is reactivating. Alternatively oil processing or reactivation could be carried out in all columns.
GlobeCore CMM-R plant comprises degassing and regeneration units. Its design allows for stationary as well as mobile operation when mounted on a roadworthy trailer. Plants vary in the numbers of Fullers Earth columns. GlobeCore plants are available with 6, 12 or 24 columns as required for different flow rates.
The CMM-R plant is fully controlled via a SCADA system from a Laptop, positioned within the operators compartment, and a touchscreen on the control panel. Valve operation is effected via solenoid controlled compressed air. Included on the control system is a manual override mode. During operation, degassing and regeneration units shall be connected to a transformer. Oil is drawn into the degassing unit where it is heated to operational temperature and filtered. Oil is then pumped into the regeneration unit and back to the degasser for the removal of moisture and dissolved gasses. Figure below depicts the schematic arrangement of the CMM-R plant.
GlobeCore Transformer Oil Regeneration Plant
Comparing to older technology where Fuller’s Earth is used only once and then must be disposed together with oil and harmful contaminants, GlobeCore CMM-R plants utilize the principle of sorbent (Fullers Earth) reactivation and have a number of unique features:
Extend transformers lifecycle by 25 to 30 years
Regenerate the oil on energized transformer
Remove sludge from cellulose insulation
Reactivate the sorbent (Fuller’s Earth) allowing the sorbent to stay in the plant for 2-3 years before replacement is needed.
Oil regeneration and Fuller’s Earth reactivation is fully automatic.
Disposal of sorbent is environmentally friendly and safe as Fuller’s Earth is free from oil and contaminants.
GlobeCore CMM R Transformer Oil Regeneration Plant Flow Diagram
C1-Cn – Fuller’s Earth Column (number of columns depends on the capacity of the equipment), IT – Intermediate Tank, DT – Safety Tank (Oil Trap), NS – Noise Silencer, CF – Charcoal Filter, F – Filter, CC – Control Cabinet, ST – Oil Storage Tank, АF – Air Filter, PS1-PS3 – Pressure Transducer, VP1 – Vacuum Pump, P1 – P2 Oil Pumps,LS1 – LS4 – Level Sensors, LS5 – Leak Sensor, DM – Differential Pressure Gauge,V1 – V9 – Pneumatic Ball Valves, MV1 – MV9 – Manual Control Valve
