Series ZYD Double-Stage Vacuum Transformer Oil Purification Systems is used for transformer oil dehydration and transformer oil degasification as well as other electrical insulating liquids such as silicone fluids. The ZYD Process is able to increase and maintain the oil's dielectric strength and includes the removal of free and soluble water, free and dissolved air and gases and other particulate matter. The standard ZYD system is designed for processing oils in workshops, in storage tanks or directly in transformers (energized or de-energized transformers). Series ZYD oil purifier can be used as an independent vacuum source with functions of vacuum drying and vacuum oiling.
Feature
1. ZYD can evacuate the vacuum for the electric equipments separately, such as the transformer. Also it can be used to dry the electric equipment and input the oil into the electric equipment under the vacuum state.
2. This machine have two vacuum pumps (one is the vacuum pump, other one is the roots pump), which can improve the working value highly. Making sure the water-content of the treated oil is less than 3 ppm.
3. The machine adopts the double-infrared liquid automatic controller, pressure automatic-protector which can make sure the machine works online for 150 hours continuously without person. So it is a reliable and high automatically machine.
4. Besides the common vacuum oil purifiers function of dewatering, degassing, and removing the impurity, this machine can regenerate the seriously bad oil by separating the electric-polarity materials, such as deeply oxides and free carbon from the oil effectively. The treated oil can reach the specifications of the new oil, such as the oil dielectric strength, flash point, acid value and oxidation resisting etc.
5 Multi-stage precision filtration system, mesh filtration combined with molecular adsorption technologies
6. Efficient electric heating system, heating uniformity, less power consumption, safe, and reliable.
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. Functions of live line work onsite, vacuum drying and vacuum oiling.
Advantages:
Comparing with single stage transformer oil purifier, Series ZYD oil purifier can increase the effectiveness more than three times, more quickly and completely dewater, degas, remove particles to get higher dielectric strength. This equipment can be used as independent vacuum source with the functions of vacuum drying and vacuum oiling for the electric plants.
The ZYD Series Transformer Oil Purification/ Regeneration machine is mainly used to improve the properties of insulation oil. It can remove trace dust, 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 which have insulation system. ZYD Series specialize in purifying transformer oil, insulating oil of high voltage and super high voltage transformer. Additionally, it is also suitable for treating low viscosity lubrication oil.
Edges of ZYD Series
To remove free, soluble water, carbon, free and dissolved gases and particulate matters, dust from insulating oil, transformer oil, dielectric oil, cable oil effectively and rapidly.
With Vacuum pump and Roots pump.
Enhance the value of breakdown voltage greatly.
Easy handling and maintenance.
Inject oil into the transformers.
Lower maintenance and replacement expenses.
Automatic reverse-washing system will extend the lifetime of filters and improve the performance of the filters.
High performance security system including pressure protection device and automatic temperature controller makes purifier operate safely.
Utilizes coacervation technology, coalescing technology, separating technology and refined purification technology. To remove free, soluble water, carbon, free and dissolved gases and particulate matters from insulating oil effectively and rapidly.
Structure
Dehydration (Degas) System
1, The vacuum chamber has flash tower, which can evaporate the water efficiently. Also it has the spraying nozzle with degassing elements design. The heater, being placed on the vacuum vessel, becomes an evaporator. Thus the flash tower of vacuum vessel is three times more than that of the general vacuum vessel. This innovation can dehydrate and degas effectively and efficiently.
2, The optimal structure of the dehydration (degas) system enlarges the surface area of oil exposed to the vacuum system and extends the flowing distance of the oil in the vacuum system. Thus there has sufficient time to remove the moisture and gas from the oil by vaporization.
¡ô Filtering System (particulate matter removal)
1, The filtering materials with variable apertures are made of specialized glass fiber or stainless steel optionally. The sizes of the filtering fiber and aperture dwindle gradually in the different filtering stages. The impurities with different particulate sizes are filtered step by step. The capability of removing particulate matters and impurities is improved greatly by this method.
2, The filtering system has stable and prefect filtering fineness. The filtering fineness has several grades, including 0.5, 1, 2, 3, 5, 6, 10 Micron etc. Oil ¦Â>=1000 after filter.
3, The filtering system is equipped with reverse rinse and filth device. It improves the effectiveness of filtering and extends the lifetime of filter awfully.
Oil heating System
1, The unique heater structure heats the oil uniformly.
2, Oil Heater System assures less then 1.0 w/cm2. During the heating process, the deterioration of the oil caused by overheating is avoided.
3, The oil temperature can be adjusted between 20C to 80C. The heater is controlled manually or automatically. The heater will stop automatically when the oil temperature reaches a certain degree.
4, Being installed with safety protection devices, the heating system is secure and reliable. The heater will stop operation automatically when the oil volume of inlet is too low to avoid the damages of the heater.
Electrical Apparatus Controlling System
1, The main components of the electrical apparatus made by Schneider, Siemens and so on ensure the safety of the controlling system.
2, Having several protection systems which will avoid oil ejection, overload and over voltage etc.
Oil-level Controlling System
1, The oil-level floating ball or infrared liquid level automatic controller system are installed in the vacuum vessel to control the oil level so as to avoid the oil being suctioned into vacuum pump in the operation.
2, The new innovation of eliminating froth can avoid the oil being suctioned into vacuum pump.
High quality components
The main components parts of Tongrui products such as vacuum pump, Roots pump, oil pump and electric apparatus are from SIEMENS, LEYBOLD, OMRON, SCHNEIDER, HYDAC, TOP, AMICO etc. It ensures oil filtration systems products high quality and reliability.
Vacuum Pump
Rotary Vane Vacuum Pumps, is a basic equipment used for pumping air from sealed vessels to attain vacuum condition.
The vacuum pumps may be applied singly, or as the backing pump of the other kinds of pumps, such as booster pump, diffusion pump, molecular pump and titanium pump etc. it may be used for vacuum film-plationg, vacuum heat treatment, vacuum ca-sting and also air-extraction of electric tubes, bulbs and thermos flaks. The pump may also be equipped in medical institutions and laboratory.
Capacity:3740L/Min
Ultimate pressure:less than 6*10-2Pa
Rotary speed of pump:450 R/Min
Motor Power: 3Kw
Cooling mode: water cooling, >1L/min
Roots Pump
Roots pumps can be used as boosters combined with backing pump. Of a rotary vane vacuum pump,or a liquid ring vacuum pump. But they can not be used to exhaust No Water-cooking silent running due to specially selected gears Overflow valve which permits the pump to be swiched on at atmospheric pressure and gives shorter evacuation times Standardized ISO connections Smooth running due to dynamically balanced rotor Low operating costs with high pumping speed in the medium-high vacuun range No friction of moving parts in the compression chamber due to even gaps between rotors and housing walls.
Capacity:1250m3/h
Ultimate pressure: 5*10-2Pa
Rotary speed of pump: 2890r/min
Motor Power: 4Kw
Cooling mode: water cooling, >2L/min
Instrumentation options
Foam Level Detector
When there is foam in the tank and foam reaches a certain level (resetable), a signal will be sent to the magnetic valve, the magnetic valve will automatically shut on. The foam will be removed quickly. After removing foam, the magnetic valve will shut off.
Unit Type: set
Package Weight: 40.0kg (88.185lb.)
Package Size: 60cm x 25cm x 65cm (23.62in x 9.84in x 25.59in)
Why purify transformer oil? Maybe the first question should be, ¡°why is it important to have purified oil in a transformer?¡± Dissolved gasses in transformer oil can cause arcing, corona discharges, and overheating--reducing the electrical efficiency and lifetime of the transformer. Likewise, water contamination at levels as low as 30 ppm (parts per million) can adversely affect the insulating strength of the oil. With ever-increasing standards for energy efficiency of power distribution transformers, the need to effectively degas will become even more important in the future. particles contamination will also affect the function of insulating oil. So we need to clean used transformer oil.
Features:
1. Besides the common vacuum oil purifier's function of dewatering, degassing and eliminating particles, this machine can regenerate the seriously deteriorated oil by removing the polarity materials, such as the deep oxides, free carbon in the oil effectively. It can make the seriously deteriorated oil reach to the normal index like anti-oxides, acid-alkali water-solubility.
2. Operational can be P.L.C (Programmable Logic Controller).
3. Unique vacuum dehydration, degassifier, regeneration system, adopt stereo-evaporation technology, high efficiently remove water, gas, particles from transformer oil, improve oil quality and dielectric strength.
4. Duplex 3D stereo-evaporation, eliminating the liquid water quickly
5. UK g technology by which the trace water that is show chain, such as dissolved water, can be removed effectively.
6. Instinctive removing impurities system filtering through double FH trapezoidal network and absorbing by high polymer without the mechanical power
7. Advanced infrared liquid-level automatic control system to accomplish fully automatic control.
8. Specially applied to vacuum oiling and drying for power transmission equipments.
9. The oil of any grades can be treated either on- or off-load.
10. Special oil pump design with lower noise.
11. Special additives for depolarization, can recover oil color of aged transformer oil to new, equipped with flexible unloading device of short time, good efficiency small quality. Discolor under vacuum can save cost of treatment, the waste impurities doesn¡¯t pollute environment (it can be used to architecture and road pave)
Comparing with the single-stage vacuum oil purifier, this machine can dewater, degas and removes the impurities more quickly, more completely, and makes the oil BDV (Breakdown Voltage) of 70kV or higher. As the bridge-type vacuum linking system that can purify and also can be an independent vacuum power supply, this machine can treat the electric insulation devices.
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Package Size:60cm x 25cm x 65cm (23.62in x 9.84in x 25.59in)
Package Weight:40.0kg (88.185lb.)
Unit Type:SET
