Double Stage Vacuum

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Even carrying through regular maintenance carefully installation and operation, the insulation oil may also be contaminated. The electrical equipment would fall in troubles as the declining of the oil�¢??s insulation trait. The expenses and time spend in maintenance of the electrical equipment would far more than that of the insulated oil. The use of Vacuum Transformer Oil Purification and Regeneration Plant is necessary, which will help you maintain optimal oil cleanliness. VFD-R series is mainly used to improve the properties of insulation oil. It can remove trace water, gas, particulate matters, and remove colloid, pitches and sludge etc. from the insulating oil effectively and rapidly so as to boost performance of transformers, circuit breakers, cable and capacitors which has insulation system.

Double stage vacuum Transformer oil Purifier for Series ZYD Transformer Oil Filtration Machine Dielectric Oil Purifier Application: It is mainly used for purifying the insulating oil, transformer oil, mutual oil, switch oil, dielectric oil and so on.It can quickly remove water, trace water, gas, particles as well as acetylene, hydrogen, methane and other harmful ingredients from oil.It adopts the double stages vacuum system, which can improve the machines working vacuum value highly, Series ZYD effectively improve oil's dielectric strength, effectively to make sure electric equipments working safely and normally. Series ZYD oil purifier is particularly suitable for treating high-grade transformer oil, supper-voltage transformer oil and new transformer oil. It can be used for more than 110V substation live line work on site. Meanwhile, Series ZYD oil purifier can be used as independent vacuum source with functions of vacuum drying and vacuum oiling. Feature: 1.Double-stage High Vacuum dehydration and degassing and removing impurities from the used transformer oil. 2.Eliminate acidity, sludge, free carbon, discoloration elements, and other soluble matters in the oil, which decays the transformer. 3.It can vacuum filling oil to transformers, and it can vacuum dry transformers and on-line operation with transformer. 4.The standard ZYD system is designed for purifying and filtering oils in workshops, in storage tanks or directly in transformers (energized or de-energized transformers). The oil technical data after treatment: 1.Gas content is less than 0.1% 2.Impurity size is less than 1μm without free carbon 3.Water content is less than 3 part per million 3.Oil dielectric strength (breakdown voltage) is more than 75KV 4.Acidity value is less than 0.01 mg KOH/g 5.Dielectric loss factors at 90C is less than 0.001

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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)

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.

Application VFD-R series is adapt to regenerate and activate the deteriorated transformer oil. It is capable of removing the moisture, gas and mechanical impurities as well as eliminating organic acid, sludges, pitches and dissociated carbon in the deteriorated transformer oil which are difficult to be removed by conventional oil purifier plants. After the treatment, the regenerated oil can met the required standard and life span of new insulation oil. Description 1. VFD-R regeneration units adopt both physical and chemical methods. They can not only regenerate the aging transformer oil, switch oil but remove the acid, suspending materials and contaminates. 2. VFD-R regeneration units adopt special adsorbent. They can be normally run without switching off the power and changing the oil of transformer. 3. After the treatment, the transformer oil will maintain basic ingredients and anti-oxidation capacity to meet the standard of new transformer oil. Meanwhile, the CFD-R regeneration units can keep the power equipments insulating and safe by consuming only 90% maintenance cost. Technical specification After the treatment, performance of transformer oil can achieve the below specification: Breakdown voltage í¦ 75KV Flash point(close) í¦ 140íµ Soluble acid PH value =5~7 Dielectric loss tangent tg(90íµ)% í_ 0.002 Acid value í_ 0.01mgK0H/g Power: 380V/50Hz

Application: Series zyd double-stage vacuum transformer oil purifier machine is special for treating the used and old transformer oil, mutual oil, switch oil. Comparing with the single stage type, this machine adopts the double stages vacuum system, which can improve the machine working vacuum value highly, so it can remove the water, gas and impurities in insulation oil high-efficiently, increasing the pressure force and quality of oil, make sure the electric device running safely. Also it can inject the insulation oil into the transformers on line, regeneration the seriously deteriorated oil by removing the polarity materials. The machine is specially applied to vacuum filling oil and drying for power transmission equipments that are over 110kv. The oil technical data after treatment: 1. Gas content less than 0.1% 2. Impurity size less than 1ª8m without free carbon 3. Oil dielectric strength (breakdown voltage) more than 75kv 4. Acidity value less than 0.01 mgkoh/g 5. Dielectric loss factors at 90íµ less than 0.001 Feature: 1. Ph of treat oil í²5.5 2. Acid value ín0.03mgkoh/g 3. Flash point í²145íµ 4. Anti-pressureí²60kv 5. Dielectric loss: dielectric loss: tg ªS (90ípc)% ín0.001 6. High vacuum: high point-vacuum ín5pa; working-vacuum ín35pa 7. High absorption speed: absorption speed power í²333l/sr. 8. Duplex 3d stereo-evaporation, eliminating the liquid water quickly 9. Uk g technology, by which the trace water that is show chain, such as dissolved water, can be removed effectively 10. Instinctively removing impurities system filtering through the double fh trapezoidal network and absorbing by high polymer without mechanical power 11. Argon fiber infrared heating system that can make the oil contain zero sum of ethyne after the treatment. Wooden case

Application: The machine can remove the water, gas and impurities in insulation oil high-efficiently, increasing the pressure force and quality of oil, make sure the electric device running safely. The machine is mainly used for electric power department and industries to deal with various oils such as transformer oil, mutual oil, switch oil, dielectric oil and so on. The machine is especially for purifying the insulation oil in all kinds of large power equipments that are above 110kv. Feature: 1. This machine is high effective and portable, which is very suit to operate on line. Also it can be used to dry the electric equipment and input the oil into the electric equipment under the vacuum state. 2.The machine adopts the double-infrared liquid automatic controller, sensitive automatic pressure protector and the high effective equipment for degas, so it is easy to operate. 3. High vacuum limiting vacuum less than 5pa, working vacuum less than 35pa. 4. High absorption speed, absorption speed power more than 333l/sr. 5. Duplex 3d stereo-evaporation technology, eliminating the liquid water very effectively. 6. UK g technology by which the trace water that is show chain, such as dissolved water, can be removed effect. 7. Distinctive removing impurities technology filtering through double fh trapezoidal network and absorbing by high polymer without the mechanical power. 8. Carbon fiber infrared heating system that can make the oil contains zero sum of ethyne after treatment. 9. The oil of any grades can be treated on line at the working site. Advantage: Comparing with the single-stage vacuum oil purifier, this machine dewaters, degases and removes impurities more quickly, more completely and make the oils limiting voltage-withstand value much higher. As the bridge-type vacuum linking system that can filter and be an independent vacuum power supply, this machine can be vacuum treating the electric insulating devices. Wooden case