ZLYC Series High Efficiency Vacuum Oil Purifier
Introduction:For power stations, transformer substations and heavy industrial workshops, stable oil condition directly protects rotating equipment and insulation systems. This **ZLYC series high efficiency vacuum oil purifier** integrates vacuum dehydration, degassing and multi-stage particle filtration, which works perfectly with hydraulic filter to remove free water, dissolved gas and solid contaminants from turbine oil, transformer oil and lube oil. It helps customers restore oil dielectric strength and extend service life of oil and related machinery, avoiding unexpected shutdown and expensive component replacement.
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Product Introduction
The ZLYC Series High Efficiency Vacuum Oil Purifier is a professional oil treatment device specially designed for insulating oil, turbine oil, hydraulic oil and other industrial lubricants. Equipped with independent vacuum system, staged heating module, three-stage filtration system and intelligent automatic control cabinet, this vacuum oil purifier can continuously separate water, gas and solid impurities from oil medium. Cooperated with matched hydraulic filter inside the pipeline, it achieves reliable online oil purification and oil regeneration. Multiple installation forms including mobile trolley, fixed type, fully enclosed and vehicle-mounted options are available to match diverse working site requirements from power transmission projects, metallurgy and hydraulic stations.
Working Principle
Different substances hold different saturated vapor pressures. At the same temperature, water has a far higher saturated vapor pressure than mineral oil. When the vacuum pump reduces the pressure inside the vacuum tank below the saturated vapor pressure of water, the moisture mixed in oil will vaporize rapidly and separate out from the oil phase. Polluted oil enters the vacuum tank from the top and is sprayed uniformly through nozzles. Special packing materials inside the vacuum chamber spread the oil into thin oil films, greatly expanding the contact area between oil and vacuum environment and prolonging retention time. Water vapor and separated gas are continuously extracted by vacuum pump, while dehydrated and degassed oil flows down and is delivered out by oil discharge pump. Its purification performance is mainly controlled by vacuum degree and oil temperature. The recommended working temperature is around 60℃ to balance dehydration efficiency and prevent oil oxidation. After vacuum treatment, oil flows sequentially through three precision filters to intercept metal powder, sludge and particulate pollutants, so the finished oil reaches the required cleanliness standard.
Technical Specifications
| Item | ZLYC-25-*/** | ZLYC-32-*/** | ZLYC-50-*/** | ZLYC-100-*/** | ZLYC-150-*/** | ZLYC-200-*/** |
|---|---|---|---|---|---|---|
| Rated Flow (L/min) | 25 | 32 | 50 | 100 | 150 | 200 |
| Rated Pressure (Mpa) | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Rated Vacuum Degree | ≤ -0.095 | ≤ -0.095 | ≤ -0.095 | ≤ -0.095 | ≤ -0.095 | ≤ -0.095 |
| Residual Water Content after Treatment (ppm) | 5-30 | 5-30 | 5-30 | 5-30 | 5-30 | 5-30 |
| Residual Gas Content | ≤0.2% | ≤0.2% | ≤0.2% | ≤0.2% | ≤0.2% | ≤0.2% |
| 1st Filtration Precision (μm) | 100 | 100 | 100 | 100 | 100 | 100 |
| 2nd Filtration Precision (μm) | 10, 20 | 10, 20 | 10, 20 | 10, 20 | 10, 20 | 10, 20 |
| 3rd Filtration Precision (μm) | 3, 5 | 3, 5 | 3, 5 | 3, 5 | 3, 5 | 3, 5 |
| Power Supply | AC 380V 3Phase 50Hz | AC 380V 3Phase 50Hz | AC 380V 3Phase 50Hz | AC 380V 3Phase 50Hz | AC 380V 3Phase 50Hz | AC 380V 3Phase 50Hz |
| Motor Power (kw) | 18 | 26 | 36 | 65 | 65 | 135 |
| Weight (kg) | 360 | 470 | 680 | 840 | 960 | 1500 |
| Overall Dimension (mm) | 1250×920×1600 | 1350×980×1400 | 1500×1060×1800 | 1600×1080×2100 | 1800×1200×2200 | 2000×1200×2200 |
Core Advantages
1. Complete vacuum system with anti-spray design
The vacuum tank, vacuum pump, condensation tank and liquid accumulation tank are optimized in structure. The oil spreading path is extended for full separation of water and gas. The advanced anti-foam structure effectively solves the oil spraying problem which commonly appears on similar vacuum oil purifiers.
2. Three-stage graded filtration
The coarse filter at oil inlet protects the oil pump and extends service life of downstream fine filter elements. Gradient glass fiber filter media captures particles of different sizes step by step, reducing flow velocity on filter surface for stable filtration accuracy and longer element lifespan.
3. Safe segmented heating system
Adopt sectional heating control, surface heat load less than 1.0W/cm² to avoid local overheating and oil deterioration. Temperature can be adjusted freely from 0~100℃. It will automatically shut down heating when oil flow is insufficient to prevent heater burnout.
4. Full automatic monitoring & multi-protection
Equipped with frequency converter, liquid level transmitter, temperature and vacuum sensors. The control system collects operating data in real time and supports automatic running. Built-in overload, over-pressure, phase sequence and abnormal shutdown protection ensures safe unattended operation.
5. Compact integrated frame structure
Modular integrated frame reduces overall footprint. Detachable oil collecting tank keeps site clean without oil leakage. Mobile wheeled, stationary, fully enclosed and vehicle-mounted versions can be selected for different field conditions.
Application Scenarios
This ZLYC vacuum oil purifier is widely used for purification of various industrial oils:
Transformer oil, capacitor oil for power transmission and distribution equipment
Turbine oil for steam turbine and generator units
Hydraulic oil, lubricating oil for hydraulic systems and heavy machinery
Compressor oil and other mineral insulating & lubricating oil
Main functions: remove free water and dissolved water, eliminate dissolved air and other volatile gas, filter solid particles and sludge. When connected with oil regeneration device, it can realize acid removal, decolorization and improvement of oil insulation strength.
FAQ
Q1: What is the water removal capacity of the ZLYC vacuum oil purifier?
A1: It can remove nearly 100% free water and over 95% dissolved water inside oil. For transformer insulating oil, the residual water can reach below 10ppm under proper vacuum and temperature.
Q2: Can this machine work continuously 24 hours?
A2: Yes. With complete safety interlock protection, it supports long-time continuous online oil purification for power plants and substations.
Q3: What filter replacement cycle should I follow?
A3: The cycle depends on original oil contamination level. We suggest inspecting pressure gauge regularly and replacing filter cartridges once differential pressure rises to the alarm value.
Q4: Is custom version available?
A4: Yes. We can adjust flow rate, add regeneration tank, change power voltage and select fully enclosed cabinet according to your site requirement.
Q5: Can it handle high viscosity oil?
A5: The built-in heating system reduces oil viscosity properly, making it suitable for common turbine oil, transformer oil and hydraulic oil. For extra high viscosity oil, we can provide modified solution.
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