Wrindu

Double-stage Vacuum Transformer Oil Filtration System

The ZYD Series Double-stage Vacuum Transformer Oil Filtration System, featuring a unique T-shape Vacuum Chamber, Crafted for both new and used oil, efficiently removes impurities, enhancing flash point and dielectric strength.
Models: ZYD Series

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OVERVIEW

 

The Wrindu ZYD series Double-stage Vacuum Transformer Oil Filtration System, distinguished by its unique T-shape Horizontal Vacuum Chamber, sets itself apart from other transformer oil filtration plants. This design enhances dissipation efficiency, separating the dissipation storage tank and oil tank, ultimately extending the machine’s lifespan.

 

Specifically crafted for both used and new transformer oil, the ZYD Series Double-stage Vacuum Transformer Oil Filtration System efficiently eliminates trace water, free water, soluble water, dissolved gases, contaminants, and tiny particles. It addresses hazardous elements such as acetylene, hydrogen, and methane, improving the flash point, acidity, interfacial tension, and dielectric strength of the insulating oil.

 

Ideal for various insulation oils, particularly effective in purifying transformer oil in UHV power transmission and distribution projects exceeding 110KV. It’s also suitable for cleaning capacitor oil, common inductor oil, switch oil, and wire oil. The ZYD Series Double-stage Vacuum Transformer Oil Filtration System stands as a versatile solution for enhancing the performance and longevity of transformer oils in diverse applications.

 

CHARACTERISTIC

 

  • Innovative Vacuum Separation Technology:

Introducing a unique “T” shape dual vacuum cleaner separation innovation, coupled with double-stage slim film drying degassing technology. This design incorporates double evaporation areas and extended degassing time for optimal performance.

 

  • Patented Anti-Foam Degassing Container:

Featuring a patented degassing container with an anti-foam framework and a dual electronic foam surveillance system sourced from Switzerland. This ensures complete prevention of oil entering into the air pump.

 

  • Robust Control System for Long-Term Stability:

A reliable control system with an optimized design, including control interlock protection, overpressure alarm, phase sequence defense, and an array of advanced technologies like automatic pressure alarm, overload protection, continuous temperature control, foam elimination, and oil blowout prevention. These ensure safe and stable operation even during unattended processes.

 

  • Efficient Oil Atomization and Heating:

Achieving oil atomized particle sizes below 50μm for enhanced efficiency in water and gas molecule removal. High-density electric heaters with surface efficiency below 1.5 W/cm2 provide indirect heating, preventing local overheating and oil aging.

 

  • Heater System Protection:

Installation of a liquid level and temperature protector on the heater system prevents rapid high temperatures and blank heating without oil.

 

  • Smart Vacuum Pump Cooling:

A vacuum pump cooler proposition to minimize water or vapor entry, reducing the frequency of changing vacuum pump oil and extending the pump’s lifetime.

 

  • Precision Filtration System:

High-precision filter elements rated up to 1 micron (0.5 as an option) effectively prevent particles from re-entering the transformer.

 

  • Automatic Oil Discharge Pressure Guard:

An automatic oil discharge pressure guard continuously monitors oil filter pressure, ensuring the protection of the machine and operators.

 

  • High-Pressure Screw Type Oil Pump:

The adoption of a high-pressure screw-type oil pump ensures steady oil delivery, low noise, and an extended operational life.

 

  • Automated Oil Level Control System:

An automatic float ball valve and electronic oil level control system enable automated foam removal, automatic oil level control, and hassle-free operation.

 

  • User-Friendly Operation with Troubleshooting Support:

Easy operation with trouble reminders and troubleshooting tips, ensuring a seamless user experience.

 

MAIN FUNCTIONS

 

1. Moisture Removal: Achieving a remarkable less than 5ppm in the final treated oil.

2. Efficient Degassing: Attaining an exceptional ≤0.05% in the final treated oil.

3. Particle Elimination: Ensuring purity at 1 micron in the final treated oil.

4. Seamless Vacuum Oil Filling/Transfer.

5. Advanced Vacuum Drying for Transformers.

6. Unparalleled Online Vacuum Purification, ensuring unattended operation under specified conditions.

 

WORKING PRINCIPLE

 

Upon initiation and reaching the set vacuum level, the used oil is drawn into the pre-filter due to pressure differentials. This pre-filter efficiently eliminates large-sized impurities and particles. The oil, now containing only small fragments, undergoes heating by the heating systems.

Subsequently, the heated oil enters the vacuum separator chamber, utilizing vacuum pressure and degassing systems.

The moisture content in the oil, swiftly vaporized and separated, is either released through the vacuum system or condensed into liquid water in the water receiver. Simultaneously, degasification is completed. The oil is then pumped into fine filter 2 for further particle removal, followed by fine filter 1, which eliminates tiny pollutants thoroughly. Ultimately, the purified oil exits through the oil outlet. This process ensures the extraction of impurities, moisture, and particles, delivering clean and rejuvenated oil.Company Profile.

ParametersModel

Unit

ZYD-30ZYD -50ZYD -100ZYD -150ZYD -200ZYD-250ZYD -300
Flow RateLiter/hour1,8003,0006,00010,00012,00015,00018,000
Recommended Max. oil volume in one storage tankTons61224406090110
Relative Working

Vacuum Degree

MPa-0.08 ~ -0.099 MPa
Absolute Operating

Vacuum Level

Pa≤ 8 Pa
Working Discharge PressureMPa≤ 0.5
Vacuum Pump CapacityM3/hrFor preliminary rotary vane vacuum pump: 200 m3/hr

For booster roots vacuum pump: 1000 m3/hr

Temperature Control0 ~ 100
Operation Oil Temperature

in Treatment

30 ~ 80 (65℃ is best)
Power SupplyAC 3~, 380 V, 50Hz, 4 Wire (or as per your requirements)
Operation ModeContinuous Operation
Working hours

without Trouble

Hour4000
Continuous Working HoursHour150
Ambient Temperature-25 ~ 55℃
Working NoisedB(A)65 ~ 85
Cooling MethodAir Cooling
Heating Power

(adjusted available)

KW307290120135150180
Total PowerKW3678105136150170206
Inlet/Outletmmφ25Φ32φ50φ50φ50φ60φ60
WeightKg50090012001400165018001950
DimensionLengthmm1380171018002010206021002200
Widthmm1020151015602030210021502250
Heightmm1760186020802080220024502550
After Treatment
Dielectric StrengthkV≥ 70 ~ 80
Water ContentPPM≤ 5
Gas Content%≤ 0.1
Particle Sizeμm≤ 3
Cleanliness≤NAS 1638 Grade 5

Note: 1. The dimension and weight will be changed with the changing of technical specs.

2. All the specs can be customized according to the client’s requirements.

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