Transformer Oil Purification Plant CMM 1.0

  • Removes Water from 100 ppm down to 10 ppm and from 50 ppm to 5 ppm in a single pass (ASTM method D-1533)
  • Removes Particulate Matter to 5 microns as standard or down to 0.3 micron (optional)
  • Improves dielectric strength up to 75 kV

The GlobeCore CMM 1.0 – Oil Purification Plant has an oil processing capacity of 1000 liters per hour (L.P.H.) and is designed for the removal of moisture and solid contaminants from insulating oil, lubricating oil, compressor oil and turbine oils.  Depending on the customer’s requirements, the GlobeCore CMM 1.0 can process oil on a “tank to tank” basis or directly on energized or de-energized transformers.  The GlobeCore CMM 1.0 is available in trolley or roadworthy trailer mounted, semi-automated, fully automated (PLC controlled) and explosion proof versions. Optional equipment includes moisture probes, flow meter with totalizer and 1 micron fine oil filter.

 

 Specifications

 Value

 1 Production capacity, m3/h:
– thermo-vacuum mode  1
– heating and filtration mode  1
 2 Treated oil parameters:
– water content, ppm, maximum  5
– purity class  (ISO 4406), minimum  9 (-/15/12)
 3 Nominal filtration rate, mkm  0.3… 5
 4 Outlet oil temperature, °С  60
 5 Oil Pressure on outlet, Mpa, minimum  0.2
 6 Heater power consumption,kW, maximum  24
 7 Total Power Consumption, kW  30
 8 Electrical outlet parameters 50/60 Hz, V  380/220
 9 Dimensions, mm, maximum length/width/height, mm  1360/800/1800
 10 Weight, kg, maximum  540

GLOBECORE CMM 1.0 COMPONENTS DESCRIPTION

Vacuum Chamber CMM1 small

Indetification Key: 1 – cover; 2 – heating block cover; 3 – housing; 4 – coalescers; 5 – disperser; 6 – cover; 7 – heating element; 8 – measuring tube; 9 – temperature sensor; 10 – pipeline system; 11 – vacuum system connection; 12 – air inlet ; 13 – oil inlet; 14 – oil outlet; 15 – drainage; 16 – heater drainage; 17 – low level sensor;18 – high level sensor

Vacuum Chamber and Oil Heater
The Vacuum Chamber and Heating Vessel and all internal parts are made of carbon steel and feature Coalescers, an Oil Level Controller and a Vacuum Gauge.  The Vacuum Chamber’s rigid design makes it suitable for stationary and mobile operation.  Industrial quality flexible connections are provided to the outlet and inlet pumps to minimize any negative effects of vibration during plant operation and transportation.
Coalescers –  built-in coalescers are provided for the maximum  exposure of oil to the effects of vacuum.  Due to the reduced pressure, dissolved water and gases are vaporized through the secondary chamber and filtered into atmosphere.
A Coalescer Filter is installed between the Vacuum Chamber and the Vacuum Pump to ensure that no oil is drawn into the Vacuum Pump.
A Vacuum Gauge – is provided to monitor Vacuum level in the Vacuum Chamber.
Oil Level Controller – consists of two capacitive probes provided to maintain required level of oil in the Vacuum Chamber.
24 kW Oil Heater has a two stage heating facility with 12 kW of power each.  Low watt density heating elements (1.2 W/cm2) are used to prevent heat degradation of oil. The heater is controlled by an electronic temperature controller.

filters1Filters
A Mesh Strainer is provided to remove large particles that could cause damage to the Inlet Pump.  A Coarse Filter for particles larger than 5 microns is installed at the entry port to the Vacuum Chamber.  Oil then receives its final treatment by passing through the Fine Filter designed to remove 99.9% of particles larger than 2 microns or with an optional 1 micron capability.

myasorubkaVacuum System
Rotary Vane Positive Displacement Pump
Pumping Speed 72 m3/h
Ultimate pressure 0.5 mbar
Globecore oil purification plant
Inlet and Outlet Oil Pumps
Two gear pumps with power consumption of 1.5 kW and capacity of 1.2 m3/h are utilized to draw oil in and out of the vacuum system. All electric motors are protected by overloads.

Alarms and Interlocks
GlobeCore’s CMM plants feature the following safety devises that ensure simple and reliable operation and will safely shut down the system in case of any alarm or emergency situation:
High Level Sensor is interlocked with Inlet pump.  It will stop the Inlet Pump when oil is detected.
Low Level Sensor is interlocked with Outlet Pump.  It will stop the Outlet Pump when low oil level is detected.
Flow Sensor only activates the Heater when oil flow is detected.  If oil flow is interrupted during operation, the flow sensor will activate sound and light the alarm and will safely shut down the plant.
Overloads – all motors are protected by overload detection devices.
Alarms – sound and light alarms (with silence button) will alert plant’s operator of any emergency situations.

Owen TRMInstrumentation and Controls
The Control Panel is a dust proof enclosure to IP 54 featuring the following elements:
Manometers – are installed to monitor the state of Coarse and Fine Filters.
Vacuum Meter is provided to monitor vacuum level in the chamber.
Temperature controller  – receives data input from the temperature sensor and is connected to a control element of the heater.
Power and Heating Indicators and Switches, Oil Pump Switches and PLC with Mnemonic Diagram (optional).
Emergency Stop Button – is provided for safe shut down of the plant in case of emergency.

Certificate of Conformity

CE_sertification

Globe Core CMM 1.0 Flow Diagram

cmm2.2-flow-diagram-small

Identification Key: CV-vacuum column;  VP-vacuum pump; P1, P2 – gear pumps; V1– input valve DN20; V2– three-way valve DN 20; М1;М2 – pressure gauges; V3, V4, V5V8 – valves DN 15; V9– valve DN 32; V10– valve DN25; КО – back valve; MS1,MS2 – moisture separators (filters) DN15 and DN25MF– mesh filter;  F1,F2 – cartridge filters; SV – safety valve; В– vacuum gauge; S1, S2, S3 – oil input and output connector

fullers-earth-cartridges-normalOPTIONAL EQUIPMENT
GlobeCore Fuller’s Earth Сartridges (ZP-260)
GlobeCore™ Fuller’s Earth systems are specially engineered to remove soluble contaminants such as acids, waxes, gums, resins, carbon residues and colloidal particles from transformer oil.  They are designed for oil polishing after purification. For large quantities of oil GlobeCore’s regeneration system is recommended.

Eplus e probeMoisture Probe
The transmitter provides on-line transformer oil measurement of both the moisture content and the temperature. The unit comes complete with a display showing the level of moisture in a “ppm” readout.

Typical Oil Parameters after Treatment with Fuller’s Earth Filtering System

 Parameter  Test Method  Before Reclamation  After Reclamation
Appearance  Visual Cloudy Brown  Clear and transparent
Acid Number, mg KOH/g  IEC 296; ASTM D-664  0.63 0.01
Corrosive Sulphur  ISO 5662;ASTM D-1275  Present Absent
Tangent delta at 90°C  IEC 247; ASTM D-924  4.0 0.1
Oxidation Stability, mg KOH/g  IEC 1125А;IEC 1125B; IP-307  –  0.2
Surface Tension at 25°C, mN/m  ISO 6295;ASTM D-2285  22  45

metal-tube-flow-meter-flangedFlowmeter
The “Influx Flotrack” flow meter gives a reading in m3/h  and a totalizer shows the total flow passed in a time through the meter.

 

mashinaPORTABILITY OPTIONS 
The GlobeCore CMM Unit is mounted on a tandem axle roadworthy trailer covered with a canvas canopy or enclosed by optional steel sidewalls with lift up doors.

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