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Globe Core CMM (UVM) 10m3/h – High Vacuum Degasifier designed for removal of solid particles, free and dissolved water and gases from transformer, lubricating, turbine and compressor oil.
Globe Core CMM (UVM) 10 m3/h is able to process oil on tank to tank basis or directly on energized or de-energized transformer. Trolley or roadworthy trailer mounted, semi-automated, fully automated (PLC controlled) and explosion proof versions of this unit are available. Optional equipment includes moisture probes, flowmeter with totalizer and 0.3 micron fine oil filter.

Removes Water from 100 ppm down to 10 ppm and from 50 ppm to 5 ppm in a single pass (ASTM method D-1533)
Reduces Gas content from fully saturated with air (10 to 12% by volume) to less than 0.1% (ASTM D-2945)
Removes Particulate Matter to 5 microns as standard or down to 0.3 micron (optional)
Improves dielectric strength up to 75 kV

№ Specifications Value
1 Production capacity, m3/h:
- thermo-vacuum mode 10
- heating and filtration mode 15
2 Treated oil parameters:
- gas content, %, maximum 0,1
- water content, ppm, maximum 5,0
- purity class (ISO 4406), minimum 9 (-/15/12)
3 Nominal filtration rate, mkm 0,3… 5
4 Outlet oil temperature, °С 90
5 Oil Pressure on outlet, Mpa, minimum 0,4
6 Heater power consumption,kW, maximum 180
7 Total Power Consumption, kW 210
8 Vacuum level in degassing mode, Pa, minimum 267
9 Electrical outlet parameters 50/60 Hz, V 380/220
10 Dimensions, mm, maximum length/width/height, mm 4750/2100/2320
11 Weight, kg, maximum 3500

GLOBECORE OIL PURIFICATION PLANT CMM (UVM) 10 COMPONENTS DESCRIPTION

Vacuum Chamber

1-Vessel, 2-Cover, 3-Vacuum Pump Connection, 4-Oil Inlet, 5-Oil Outlet, 6-Sight Glass, 7-Level Sensors, 8-Coalescers, 9-Vacuum Sensor, 10-Air Admittance Valve, 11- Oil Indicator

Vacuum Chamber Vessels and all internal parts are made of carbon steel and feature Coalescers, Sight Glass, Oil Level Controller, Foam Sensor and Vacuum Gauge. Vacuum Chamber’s rigid design makes it suitable for stationary and mobile installation. Appropriate flexible connections are provided to the outlet pump and inlet pump to minimize negative effect of vibration during plant operation and transportation.
Coalescers - built-in coalescers are provided for the maximum exposure of oil to the effect of vacuum. Due to reduced pressure dissolved water and gases are vaporised through secondary chamber and filter into atmosphere.
Secondary Chamber (Oil Trap) – serves as safety feature to ensure that no oil is pulled into the vacuum pump.
Vacuum Gauge – is provided to monitor Vacuum level in the Vacuum Chamber.
Oil Level Controller – consists of three capacitive probes provided to maintain required level of oil in the Vacuum Chamber.
Foam Sensor – rarely, under certain conditions oil foaming may develop. When the Optical Sensor installed in the Vacuum Chamber detects high level of foam it will actuate a Solenoid Operated Valve to reduce vacuum and foam level.
Vacuum ports – vacuum connection is provided to pull vacuum on transformer.

Vacuum System
Three Rotary Vane Positive Displacement Pumps
Pumping Speed 3 x 100 m3/h
Ultimate pressure 0.5 mbar
Vacuum Booster
Pumping Speed 2100 m3/h
Ultimate Pressure 0.01 mbar

Oil Heater
180 kW Oil Heater has three stage heating facility with 60 kW of power each. A low watt density heating elements (1.2 W/cm2) are used to prevent heat degradation of oil. The heater is controlled be electronic temperature controller.

Inlet and Outlet Oil Pumps
Centrifugal pumps with power consumption of 7.5 kW and capacity of 30 m3/h are utilized to draw oil in and out of the vacuum system. All electric motors are protected by overloads.

Instrumentation and Controls
Manometers – are installed to monitor the state of Coarse and Fine Filters.
Temperature controller – takes an input from temperature sensor and connected to a control element of the heater.

Filters
A Mesh Strainer is provided to remove large particles that could cause damage to the Inlet Pump. 5 microns Coarse Filter is installed on entry to the Vacuum Chamber. Oil receives its final treatment by passing through the Fine Filter designed to remove 99.9% of particles larger than 2 microns or 0.3 micron (optional).

Measuring and control parameters are pre-set by the manufacturer.
Power and Heating Indicators and Switches, Inlet and Outlet Oil Pumps Switches– are located on the control panel.
Emergency Stop Button – is provided for safe shut down of the plant in case of emergency.

Alarms and Interlocks
GlobeCore’s CMM oil purification plants feature the following safety devises which ensure simple and reliable operation and will safely shut down the system in case of any alarm situation:
High Level Alarm – will alert plant’s operator by activating sound and light alarms and shut down the system safely should high level of oil persist.
Low Level Alarm – interlocked with the inlet pump low level alarm will safely shut down the plant in case of insufficient oil level.
Flow Sensor – only activates the Heater when oil flow is detected.
Foam Sensor – prevents excessive foaming.
Overloads – all motors are protected by overloads.
Alarms – sound and light alarm with silence button will alert plant’s operator of any emergency situations.

GlobeCore CMM(UVM) 10 Flow Diagram