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Double Stage Transformer Oil Purifier

LD Double Stage Transformer Oil Purifier


LD series is mainly used to improve the properties of insulation oil. It can remove traces of water, gas, particulate matters, etc. from the insulating oil effectively and rapidly so as to boost performance of transformers, circuit breakers, mutual inductors, cable and capacitors that have an insulation system.

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Series LD Double stage vacuum transformer oil purifiers can completely and quickly remove water, trace water, gas, particles as well as other harmful ingredients from oil to improve oil's dielectric strength, effectively making sure electric equipments working safely and normally.

Best suitable for treating high-grade transformer oil, super-voltage transformer oil and new transformer oil. It can be used for filtration of more than 110V substation live line work onsite. Meanwhile, Series LD oil purification systems can be used as independent vacuum source with functions of vacuum drying and vacuum oiling.

The components used in this system consists - trolley mount, degassing chamber, heaters, filtering system, cooling & condensing system, pumps and control panel.
 

Features:-
1. Double-stage vacuum system, strong power of vacuum evacuating, ultimate vacuum value ≤ 5Pa
2. Two vacuum separating chambers, efficient oil film sprayer, increasing separating size and separating time to ensure the dry-level and dielectric strength improving greatly.
3. Duplex-Stereo film evaporation technology, combined with unique and advanced dewatering, degassing components, can rapidly and effectively separate water, gas from oil.
4. Multi-stage precision filtration system, mesh filtration combined with molecular adsorption technologies.
5. Efficient electric heating system, heating uniformity, less power consumption, safe, and reliable.
6. Double-infrared liquid level sensor, pressure protective system to ensure machine operation easy and safely.
7. Adopt interlocked protective system, which connect oil pump, heater and liquid level sensor, avoiding blank heating, blank pumping, oil leak and electricity leak.  If  there is any fault, machine will be power off automatically.
8. Special oil pump is suitable for working under high vacuum states, low noise, working reliable.
9. Photoelectric oil foam sensor, automatic eliminating oil foam, making sure vacuum pump working safe and stable.
10. Optional choice of installing moisture sensor to test oil's moisture online.
11. Functions of live line work onsite, vacuum drying and vacuum oiling.

Advantages:-

  • Reduced machine maintenance cost.
  • Improve Oil Quality.
  • Extend oil life.
  • Offers continuous filtration/separation of Transformer Oil at constant efficiency.
  • Reduces oil cost on a/c of consumption, inventory etc.
  • Machine is designed with low heat input & high vacuum throughput technology to prevent degradation of transformer oil.
  • Simple pipeline and appropriate valve positioning assures ease of operation.
  • Machine is also equipped with Solid Removal filters, will separate the solid particles up to sub micron level.
  • Machine is suitable for distinct transformer Oils application.
  • Machine is suitable for outdoor operations under all weather conditions.
  • Machine is equipped with interlocks/safety controls.
 
Characteristics
Unit
LD-30
LD-50
LD-100
LD-150
LD-200
LD-250
LD-300
Flow rate
L/H
1800
3000
6000
9000
12000
15000
18000
Working vaccum
MPa
-0.08~-0.099
Working pressure
MPa
≤ 0.4
Temperature range
℃
20 ï½ž80
Dielectric strength
KV
≥ 70
Water content
ppm
≤ 3
Gas content
%
≤ 0.1
Particles size
μ
≤ 1
Power supply
 
380V 50HZ 3Ph (As per user's option)
Working noise
dB(A)
≤65~85
Heating power
Kw
24
30
60
90
125
136
151
Total power
Kw
27.7
35.5
68
105
135
148
168
Inlet(Outlet)
mm
Φ25
Φ32
Φ42
Φ50
Φ50
Φ60
Φ60
Weight
kg
450
550
870
950
1250
1850
2100
Dimension
L
mm
1500
1500
1950
2100
2200
2250
2400
W
mm
1250
1250
1300
1350
1350
1400
1450
H
mm
1700
1750
2100
2200
2200
2200
2200
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