Series ZY Single Stage Vacuum Transformer Oil Treatment Machine


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High vacuum oil purifiers are designed for treating electrical insulating oil in the oil-filled electrical equipments. Through the dehydrator, degasification, filtration processes, the dissolved gases and moisture, solid particulate, contamination can be completely removed.

Our quality vacuum oil purifier is widely used in factory workshops,power transmission and generation station.

Utilizing our high vacuum oil purifier, the quality of insulating oil can be upgraded and the deteriorated oil can be reclaimed that could extent the life of insulating oil and ensure safety operation of oil-filled electrical equipment treatment.

Applicable Transformer: 10kV ~ 1000kV
Capacity: 200 to 30,000 Liters/Hour, or more

•Fully automatic 24 hour continuous operation, enables unattended supervision
•High vacuum: limiting vacuum less than 5pa, working vacuum less than 35pa
•High absorption speed, absorption speed power more than 333L/Sr.
•Oill foam will be eliminated quickly in the process of treatment
•Duplex 3D stereo-evaporation technology, this Oil spraying type with large vaporization surface in vacuum chamber
•Utilization of low load heater to avoid oil deterioration in the process
• All necessary control switch, light indicator and meter are equipped on the control panel which provides easy control for operation and supervision

•dewaters, degases and removes impurities more quickly, more completely and make the oils limiting voltage-withstand value much higher.
•This machine also can remove free, soluble water, carbon, free and dissolved gases and particulate matters from insulating oil effectively and rapidly

Type selection:
A: Single Chamber, Single-stage High Vacuum System
B: Two-chamber, Double-stage High Vacuum System

A : Without Enclosure, open and Stationary type
B : With Enclosure, Cubicle and Stationary type
C : With Skid base type
D : Mounted on casters
E : Mounted on Single-axle Trailers (Pneumatic tyre, Speed selectable)
F : Mounted on Double-axle Trailers (Pneumatic tyre, Speed selectable)

You May also be interested in:

A: Transformer Oil Tester, Testing the insulating oil's dielectric strenght
B: Vacuum Pumping Set, pumping the transformer
C: Moisture Meter, measuring the water content in the transformer oil
D: Flow meter, measuring the flow oil quanity through the machine

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Series ZY Single Stage Vacuum Transformer Oil Treatment Machine

  1. 1. 重 庆 中 能 滤 油 机 制 造 有 限 公 司 Chongqing Zhongneng Oil Purifier Manufacture CO., LTD High Effective Vacuum Transformer Oil Treatment Machine Series ZY Add: No.101 Huoju Street, Jiulongpo District, Chongqing, China Contact: Kevin Tel: +86-23-68064015 Fax: +86-23-6806 0921 Mobile: +86-13527390908Email: MSN: Website:
  2. 2. Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd 0B CONTENTⅠ Company Profile---------------------------------------------3Ⅱ Application & Feature--------------------------------------3Ⅲ Work Principle & Flow Chart ----------------------------4Ⅳ Model & Specification -------------------------------------5V. Machine’s Main Advanced Technologies ----------- 6VI. Installation & Testing-------------------------------------- 8VII Operation Process & Instruction -----------------------9 TVIII. Maintenance------------------------------------------------10IX. The Process of On-line Operation--------------------10X Troubleshooting ---------------------------------------------11 2
  3. 3. Chongqing Zhongneng Oil Purifier Manufacture Co., LtdⅠCompany ProfileChongqing Zhongneng Oil Purifier Manufacture Co., Ltd is a leading oil purifier manufacturer in China, whichengages in developing, producing, selling a series of oil purifier such as transformer oil purifier, turbine oilpurifier, engine oil purifier, lube oil purifier and so on. We practice in this line for eight years, so we have astrong technology and gain rich experience. Our products have been exported to many countries, and get ahigh reputation.Since the foundation of our company, under the duty of devoting our efforts to develop the advanced purifier forsaving energy sources, adopting the advanced management like SUBI, and with the reliance on the strongtechnical force, advanced equipments of production, perfect quality check method, fast and outstandingafter-sales service, our company has developed into a national big base specialized in producing oil purifier.Our products are outstanding because of its excellence in quality, stability in service, and diversity of products.Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd owns a number of national-class oil purifier expertsand experienced engineers. Encouraged by the companys modern management mechanism, we havedeveloped six big series, including hundreds of models oil purifier equipments which have the independentproperty right and advanced filter technology. Those equipments can be applied to many fields, such as theelectric power, petroleum chemical, metallurgical industry, mine, aviation, shipping and railway, and so on.We adhere to the tenet of mutual-benefit and both-win. With the sincere and pragmatic work attitude, we wouldlike to open up new Sci&Tech oil purify era with our customer.Ⅱ Application, Feature & AdvantagesApplication: As is well known the Transformer plays an important role in the generation, transmission and distribution ofelectrical energy. Under load the transformer, dissipates heat and the insulating oil acts as a coolant as well asan effective dielectric. Due to the highly hygroscopic nature of the transformer oil, it absorbs moisture from windings, which leadsto gradual deterioration of dielectric strength. Also there are some waste impurities, gas contents in thetransformer oil which destroy the oil’s quality. This oil purifier is applied by the power station and mine to treat various of unqualified or used insulation oilsincluding aging transformer oil specially for the power below 110kV, mutual inductor oil, switch oil, and so on.Also it can inject the insulating oil into the transformers on-line and dry the transformer.This type of machine can degas, dewater, removing the impurities of insulating oil quickly and effectively. Itimproves the value of voltage value, and makes sure electrical equipment work safely.1B Feature:1. This machine is small, hi-efficient conveniently. And it can live operated with electrical, vacuum oiling the power equipment and dry moisture of power equipment. 3
  4. 4. Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd2. Distinctive removing the impurities technology filtering through double FH trapezoidal network and absorbing by high polymer without the mechanical power.3. Bi-infrared liquid Duplex 3D stereo-evaporation technology, dewatering and degassing very effectively.4. The oil of any grades can be treated on line at the working site.5. This machine can work independently; also it can work with the oil regeneration system.6. Can be operated fully-automatically with PLC controller as option.7. Can be operated both on-load and off-load.8. This Oil purifier can be made in mobile type with trailer, hermetical, canopy-covering, open and frame style, etc…2B Advantages:This machine adopts a high effective vacuum and the internationally advanced stereo-evaporation technology,which enable a highly effective removal of water, gas and impurities without switch off of power, shutdown ofmachine or change of oil which allows transformers running as energized.Ⅲ Work Principle & Flow ChartWork Principle1. Work principle: The oil is injected in the primary filter through oil inlet valve, when the oil purifier starts working. The bigimpurities are purified, and the oil including particles released into vacuum tank after heating. Under the lowvacuum pressure and deaeration element, the vapor is separated from oil and vaporized quickly thencondensate into water by cooler or drained away by vacuum system. The oil without any water is transferredinto secondary filter and precision filter through oil pump then is eliminated all impurities. At last, we get thepurified oil. 2. Flow Chart 4
  5. 5. Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd 2.ZY Series Flow Chart acuum Separator Vent Valve Vacuum Gauge Primary Filter Temperature Side Valve P Auto-controller Oil Inlet Oil Inlet Valve Electromagnetic Valve Cooler Blow Down Heater Valve Blow Blow Down oil level Down Valve automatic Valve Vacuum Valve controller Fine Filter Sampling Valve Secondary Filter Pressure Gauge P Vacuum Oil Outlet Pump Discharge Outlet Oil Pump Oil Outlet Valve 1 Blow Oil Outlet Down Valve M Oil Pump Electric Motor Vacuum Pump Electric Motor Oil Outlet Valve 2 Picture 1 Working Process T Oil inlet Primary filter Heater Vacuum Cooler Vacuum Tanker source Overflow Oil outlet Fine Secondary Gear filter filter pump Ⅳ Model & Technical Parameter Specification ZY-Parameters Unit ZY-6 ZY-10 ZY-20 ZY-30 ZY-50 ZY-100 ZY-150 ZY-200 300Flow rate LPH 360 600 1200 1800 3000 6000 9000 12000 18000Working MPa -0.06 ~ -0.095vacuum 5
  6. 6. Chongqing Zhongneng Oil Purifier Manufacture Co., LtdWorking MPa ≤0.4 ≤0.4 ≤0.4 ≤0.4 ≤0.5 ≤0.5 ≤0.5 ≤0.5 ≤0.5pressureWorkingwithout H 4000TroubleContinuous H 150WorkingTemperatur ℃ 20 ~ 80e rangePower 380V AC, 50 Hz, 3 phases (or as per your requirements)supplyWorking dB 50 61 63 70 70 70 70 70 70noise (A)Heating KW 7 8.25 9.75 13 18 24 28 30 48powerTotal power KW 8 9 10 16.5 20 27 30 37 50Inlet/outlet mm φ22 φ25 φ25 φ25 φ32 φ40 φ50 φ50 φ60caliberWeight Kg 105 150 200 260 300 400 450 550 600 L mm 900 1050 1050 1100 1200 1450 1600 1800 1900Size W mm 630 750 750 800 950 950 1100 1200 1200 H mm 1180 1350 1350 1400 1500 1650 1800 1900 1900 The dimension and weight will be changed with changing the technical specification Oil Data after Treatment Parameter Used Oil After Treatment Moisture (Water Content) 100 ppm ≤ 5 PPM Gas Content 10% ≤0.1% Impurities Degree (Filtration precision) 1% ≤ 5 micron Breakdown Voltage (Dielectric) 20 kV ≥65 KV Flash Point 70 ≥145℃ Cleanliness NAS 1638 Grade 10 ≤NAS 1638 Grade 5 V. Machine’s Main Advanced Technologies l Unique Dehydration (Degas) System We adopt Duplex 3D stereo-evaporation technology whose the evaporation area is three times more than that of normal evaporation technology. This innovation can dehydrate and degas effectively and efficiently. 6
  7. 7. Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd Meanwhile, we bring in UK G technology from Japan which eliminates the kinds of trace water content anddissolved water thoroughly so as to increase the breakdown voltage and anti-pressure value enormously,ensure the transformer oil can be used in high level transformer normally. l Distinctive Filtering System The filtering system, which is combined double FH trapezoidal network with H.P.M high moleculepolymer material absorbing, distinctively remove various impurities and particles. The filtering system ownsback flush function to clean the filters and clear impurities from the filter automatically. It improves theeffectiveness of filtering and extends the lifetime of filter awfully. A: First-stage Filter Made of Stainless steel material, Double FH trapezoidal network filtering technology, it removes particles and impurities down to 15 microns. B: Second-stage Filter Made of Stainless steel material, Double FH trapezoidal network filtering technology, it removes particles and impurities down to 5 ~ 10 microns. C: Fine Filter: Made by High Polymer Materials and imported from Germany, thorough demulsification and separate water from the waste oil, it removes particles and impurities down to 5 microns, making oil clean. l Electrical Apparatus controlling System & German 3UG3 Relay All brands (made in China, in Siemens, etc…) of the main components of the electrical apparatus areavailable to customers, ensure the safety of the controlling system. Having several protection systems whichwill avoid oil ejection, overload and over voltage etc… German 3UG3 Relay keep the machine safe working efficaciously at any situations such as power off, lackof phase, wrong phase position, etc… l Carbon Fiber Infrared Oil Heating System Heating by Carbon fiber infrared heating system which is the most advanced heating technology, theunique heater structure heats the oil uniformly and easily controlled, it gives out the heat quickly (in 3 secondsafter power on) and Efficiency of electricity transforming to heat is very high (more than 98%). Oil Heater System assures less than 1.1 w/cm². During the heating process, the deterioration of the oilcaused by overheating is avoided. The oil temperature can be adjusted between 0 ~ 100℃. The heater iscontrolled manually or automatically. The heater will stop automatically when the oil temperature reaches acertain degree. Being installed with safety protection devices, the heating system is secure and reliable. Theheater will stop operation automatically when the oil volume of inlet is too low to avoid the damages of theheater. The material is good at oxidation resistance at high temperature and can be used for more than 10 years. l Double-infrared fluid level auto-control system instead of oil-level controlled by manually and float valve Double-infrared fluid level auto-control system is installed in the vacuum vessel to control the oil levelautomatically so as to avoid the oil leaking in the operation. It can help machine working continuously for 150 7
  8. 8. Chongqing Zhongneng Oil Purifier Manufacture Co., Ltdhours even online without worker monitor. The new innovation of eliminating froth can avoid the oil ejectingand gushing during the process. l High Quality components The main component parts of our products such as vacuum pump, oil pump and electric apparatus arefrom SIEMENS, ABB, SCHNEIDER, Zhongneng and AMICO etc. Kinds of brands are optional according tocustomer’s specific requirement. It ensures our products high quality and reliability. l Structure and Appearance of Oil purifier Our products adopt ship-shape chassis-mount structure to ensure oil leak proof and protect theenvironment from pollution. The whole equipment is characterized by small size, light weight and convenient tomove around. Available in mobile option, immovable option and trailer, etc… Oil purifier can be made in hermetical, canopy-covering, open and frame style, etc… Color of the oil purifier can follow customers favor. Available in installing PLC controller for making machine operation Fully-automatically Equipped with Explosion Proof Materials when the machine is used in hazardous areas is optional l Cooler, Dielectric Condensation System The system is composed of cooler, condenser, water receiver etc The vapor and other gas, which is evaporated from vacuum separator, first drop in temperature and are ridof moisture in dielectric condenser whose decalescence medium changes water vapour changes to liquidwater quickly, then are condensed again in cooler. The reductive condensed water is discharged by water receiver. The dry gas, which are condensed andrid of moisture twice, are discharged to air by vacuum pump so that it protects vacuum pump.VI. Installation & TestingI. Installation 3B 1. The machine should place on the flat floor 2. The machine is removable type; the users just move it near to the oil tank is ok. 3. The user should choose the electrical wire which can bear the largest current of this machineII. Testing 4B 1. Turn off all valves then connect each junction of inlet oil pipe and outlet oil pipe. Make sure all channels which oil get through are smoothly. 2. Get through three-phase, four-wires electrical power correctly. 3. Start vacuum pump and exhausted oil pump. Make sure the circle direction is correct and whether the vacuum pump motor and oil pump motor exist problems. 4. Checking whether the temperature controller & heater are connected. 5. Shut off the valve, which is connected with air. Start the side valve then start vacuum pump. When the vacuum gauge shows the largest vacuum degree stable, pls stop the vacuum pump for 5 minutes. 8
  9. 9. Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd 6. Observing the pointer up and down don’t excess0.001Mpa, otherwise you need eliminate the fault.VII VII. Operation Process & Instruction T T1. Operation Process T 1. Start vacuum valve on the air inlet pipe of vacuum pump then start vacuum pump. observe the vacuum. 2. Open the overflow valve. The pressure adjust 0.3Mpa (it has been adjusted before out of factory) 3. Open the oil inlet valve when the vacuum degree below 0.08Mpa. 4. When the oil poured into vacuum pump and the oil level up to the middle of the oil level gauge then open the deliver valve (note: there are two oil outlet valves. For second purifying, close the precision valve 22. Then close down the precise valve 20 when using precision filter).At last, start oil pump 25. Pay attention: You must open the oil outlet valve firstly then you can start oil pump. Otherwise it will destroy the purifier. 5. Watch the change of pressure gauge (exhausted oil pressure should be limited between 0-0.4Mpa, 0Mpa is best), check whether the machine exist gas leaking, if it dose, close overflow valve. 6. Change the oil inlet valve to have the quantity of inlet oil and outlet oil balance and to have the oil level gauge on the vacuum tank is at the middle.(after normally work, the infrared level auto-controller can work.) 7. After the oil cycle regularly, the auto-control heater can work. Make sure t the temperature is between 45-65℃ before start the heater, and 65℃is the best. According to oil quantity and temperature, decide whether start heater. 8. After the machine work regularly, take the sample to assay. 9. Usually we needn’t accessory vacuum resource and heater when vacuum dry and pour oil into transformer, mutual inductor, and pipe. The power can satisfy the need of drying apparatus. (1) All core should put into oil completely when spray or dry. When period circulation purification, pls control the oil speed, oil inlet temperature, and the time. (2) There should be some eligible oil in the vacuum before the whole machine start. 10. Some operation of ZYA is same with ZY. The computer instruction is attached in addition.2. Instruction 1). The environment/ ambient temperature is between -25 ~ 45℃ when the machine is working. 2). The altitude height of the working point will influence the vacuum degree of the machine directly. The higher the altitude height is, the lower the vacuum degree is (negative value). 3). The used oil can not be too dirty (the oil doesn’t have too many impurities), otherwise it should use other purification plant to filter sufficiently such as JL Portable Oil Purifying and Oiling Machine. The measure can avoid influencing the degassing efficient of purifier, jamming the machine and shorting the lifetime of purifier. 9
  10. 10. Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd3. Stopping While oil used out and need shop the machine 1). Stop heater firstly then continue add oil 3-5 minutes. After that, close the primary valve 15, 20 and 22. 2). Turn off the vacuum pump valve 29.Turn on vent valve 7 to release all vacuum. 3). Turn off the exhausted oil pump after all oil is released out. 4). Turn on the valve 1 under the cooler, exhaust all left oil &water. After that, turn off valve 1 5). If happen to urgent thing, you can press the urgent stop button directly. When start the machine again, you need circulate the urgent stop button in clockwiseT 5B 4. Note 1). When the vacuum pump starts to work, pay attention to the oil scale (oil level should be above the oil scale). 2). If there is much water in cooler, remove it immediately. 3). Pay more attentions on the pressure gauge. When pressure is over 0.3Mpa, clean purifier or change filtering elements. 4). The filter net of primary filter and secondary filter should be cleaned regularly to avoid jamming. 5). Note whether there is noise of pump and whether the machine is regular or not. 6). Drain up oil when the machine is laid aside.VIII. Maintenance1. Check the filter after run a long time a. Check whether the electrical controller is safe, reliable. b. Check whether the temperature controller is agility, reliable, nicety c. Check whether the oil sealing of the pump exist gas leaking or oil leaking. d. Check whether there is jamming and whether the noise is regular e. Whether oil level controller is reliable.2. After generator run 3000 hours, pls adding some lubricating grease to avoid burning. T3. Add and change vacuum oil regularly. pls use the specially vacuum pump oil forTvacuum pump or N46 lubricant oil.4. If the machine lay aside more than one month, put it in a dry place. Turn off all electricalcontrollers and valves, paint anti-rust axunge, and cover the whole equipment.IX The Process of On-line OperationPreparation:1. Be ready for 5-6% eligible transformer oil.2. The oil outlet valve should match inlet pump. T T3. The oil purifier should be filled with 1/2 eligible oil. (pressure value≥50KV); 10
  11. 11. Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd 4. Open the cover of transformer oil then insert the oil outlet pipe under oil level. Seal the cover with clean purify paper or membrane. 5. Insert the inlet pipe into the oil box, which has eligible oil. 6. Turn on the oil outlet valve under transformer, release 3-5% transformer oil (they are mainly impurities and water). 7. When go on process six, adjust high vacuum (up –0.09Mpa) and add oil of transformer. 8. After releasing 3-5% waste oil through the oil outlet valve, connect oil outlet with this valve. 9. Now the oil purifier can work normally. 6B NOTICE First, operate with electrical should be in a fine day. Second, connect oil outlet should be finished under guidance of engineer. Third, before working, the oil purifier must be good quality. Ⅹ Troubleshooting Trouble Cause Remedy 1. Vacuum pump is broken 1. See vacuum pump instruction 2. Vacuum path leak gas 2. Repair pipeline Vacuum degree 3. No enough oil in vacuum pump 3. Add oil above oil scale T T fall down 4. Vacuum pump oil has water 4. Change new oil 5. Content much more vapor in the exhausted air. 5. It’s normal 6. vacuum gauge guides inexactly 6. Change or repair 1. Control the oil in the middle of the liquid gauge T T 1. the oil level is high , oil flow into cooler then was T T 2. Low vacuum degree Oil flow into taken into vacuum pump 3. Change vacuum pump oil, and vacuum pump 2. Vacuum degree is too high which make oil clean vacuum pump. When inlet quantity larger than oil outlet quantity restart, control the oil to have the quantity of inlet oil and outlet oil balance. 1. There is to much water in cooler and water is 1. Observe the liquid level gauge, if there T Water flow into taken into vacuum pump is much water, release it T vacuum pump 2. Too much water in the oil which is uncooled in 2. Clean vacuum pump and change cooler then was taken into vacuum pump vacuum pump oil. Vacuum pump 1. Voltage is too high 1. Stop usingelectric motor stop 2. Lack phase 2. Check electrical source during working 11
  12. 12. Chongqing Zhongneng Oil Purifier Manufacture Co., Ltd 1. oil level is too low T T 1. Enlarge oil mass T T The quantity of 2. High vacuum degree 2. Low vacuum degree outlet oil 3. The oil box’s place are too high 3. Low place reduce 4. The oil sealing of gear pump leak air T T 4. Change oil sealing The quantity of 5. The primary filter and precious filter are outlet oil 1. Clean or change filter element T T jammed by impurities Reduce, and the 2. Low height 6. Outlet oil level arrive a high levelpressure increase Oil Inlet quantity 1. Oil inlet filter was jammed 1.Blackflush filter isn’t enough 2. Low vacuum degree 2.See before page 1. Temperature sensor probe is fallen T T 1. Fix and fasten probe T T 2. There’s something wrong with heatingStart heater,and 2. Repair or change connection don’t see 3. Repair 3. Circuit is cut offtemperature rising 4. Change heater 4. Burn down heating pipe 1. Water content is too high 1. Purify several time 2. The temperature of oil is not enough 2. Increase heating temperature 3. Filtering net is broken Oil is ineligible 3. Repair and change filter element 4. The machine don’t cleaned when being used 4. Clean again 5. See the first item 5. Vacuum degree is too low Company: Chongqing Zhongneng Oil Purifier Manufacture CO., LTD Address: NO.101 Huoju Street, Jiulong Industrial Park, Jiulongpo District, Chongqing, China. Contact: Kevin Chiang E-mail: ; HU UH HHHH HU UH MSN: HHHHHUUUUU UUUUUHHHHH Google Talk: HHHUUUHHUU UUUHHH Skype: kevinnchiang Yahoo Messenger ID: kevinnyll TEL: +86 23 68064015 FAX: +86 23 6806 0921 MOB: +86 135 2739 0908 Zip Code: 400039 Website: UUU 12