Vacuum Transformer Oil Purifier for Uhv Ehv Transformer Oil Treatment

Main Places & Fields that Need REXON UHV Transformer Oil Purfier and Degassing Machine:
UHV transformer oil filter is mainly used to purify and regenerate UHV and EHV transformer oil to improve its insulation performance and electrical stability. It is mainly used in the following places:

1. UHV/EHV Substations
Mainly used for insulating oil treatment of transformers and reactors of 500kV, 750kV, 1000kV and above.
Ensure low water content and high insulation strength of transformer oil to meet the strict requirements of UHV equipment on oil quality.

2. National Grid & Power Companies
Applicable to UHV transmission projects to ensure the cleanliness of insulating oil of transformers in long-distance transmission lines.
Prevent partial discharge or equipment damage caused by oil quality problems to ensure safe and stable operation of the power system.

3. Transformer Manufacturers
Applicable to the oil treatment process of ultra-high voltage transformers and ultra-high voltage converter transformers before production and delivery.
Through vacuum degassing, dehydration, impurity removal, precision filtration and other processes, ensure that the transformer oil meets the factory standards.

4. High Voltage Test Stations & Research Labs
Used in transformer withstand voltage test, oil insulation test and other experimental processes to ensure the cleanliness and stability of the oil.
Provide stable experimental conditions for the research and development of high-voltage insulation materials.

5. Hydropower & Nuclear Power Plants
Applicable to the purification of transformer oil for ultra-high voltage hydro-turbine generator sets and ultra-high voltage power equipment in nuclear power plants.
Avoid moisture, gas and impurities affecting the insulation performance of the oil and improve the stability of the power generation system.

6. Heavy Industries
Applicable to the oil purification and maintenance of ultra-high voltage substation equipment in metallurgy, chemical industry, steel mills and large manufacturing enterprises.
Ensure the safe operation of the high-voltage power supply system and reduce equipment failures and downtime.

7. Transmission & Substation Construction Sites
When building or repairing ultra-high voltage substations, provide oil treatment for transformers to ensure that the oil meets the operating standards.
Dehydration, degassing and filtration of transformer oil at the construction site to increase the service life of the equipment.

REXON Advantages
REXON ultra-high voltage transformer oil purifier quickly removes acids, water, and gases like acetylene and hydrogen, while advanced filtration and electrostatic adsorption reduce particles to 1 micron. It features high-capacity tanks, precision sensors, a dual-stage vacuum system, and built-in safety protections for efficient, reliable operation in demanding power systems.

1. Oil Intake and Pre-Treatment Oil enters the system
The inlet draws contaminated oil into the purifier. First-stage filtration/coarse filtration: The oil passes through a coarse filter, which removes larger solid impurities, preventing damage to subsequent components.
2. Preheating system
The oil passes through a heating system, typically using electric heating, to increase the temperature, usually between 55-65°ºC. This reduces viscosity and enhances the purification efficiency.
3. Vacuum Separation System/Dehydration and Degassing Vacuum chamber function
The oil enters the vacuum chamber, where it forms an oil film or mist under negative pressure. This increases the contact area with the vacuum environment, accelerating the evaporation of water and gas. Moisture and gas removal: Low-temperature vacuum evaporation: Under vacuum conditions, moisture and dissolved gases evaporate at lower temperatures and are extracted by the vacuum pump. Condensation and discharge: The separated water vapour is condensed and discharged, while the purified oil moves to the next stage.
4. Three-Stage Filtration System Second-stage filtration
The oil passes through a finer filter that removes smaller particles and impurities bigger than 5 microns. Third-stage filtration/fine filtration: The final filtration stage removes ultra-fine particles that are bigger than 1 micron, ensuring the oil meets cleanliness standards
5. Purified Oil Output
After passing through the three-stage filtration, the purified oil is delivered back to the equipment or storage tank by the outlet pump, ensuring the oil's cleanliness, moisture content, and gas content meet operational requirements. This extends equipment service life and improves operational efficiency.
6. System Monitoring and Protection
The entire system is equipped with pressure gauges, temperature controllers, vacuum monitors, and PLC fully automatic control system to monitor the operating status in real time. If any abnormalities occur, such as filter blockage, overheating, or insufficient vacuum, the system will automatically alarm or shut down to ensure safe operation.

REXON team knows that product quality is the key factor for customers to choose us. To this end, our oil purifier strictly follows international quality standards and has successfully passed the CE certification, which not only demonstrates our technical strength, but also is an authoritative guarantee for the safety, reliability and efficiency of our products.

CE certification is a mandatory standard for the EU's product safety and environmental protection requirements, symbolizing that the product has reached the international leading level in terms of safety performance, environmental protection indicators, etc. Passing this certification shows that our oil filter meets the strict regulations of the EU market and can provide stable, lasting and high-quality services to customers around the world.

We REXON always adhere to the concept of quality-oriented and customer-first, using advanced technology and strict quality inspection system to ensure that every oil purifier produced by our REXON can bring you excellent use experience and efficient operating performance.

Choosing REXON oil purifier machine, you choose not only a device, but also a commitment to reliability and high quality. We will help your power industry business to a higher level with continuous innovation and meticulous service!

Chongqing Rexon Oil Purification Co., Ltd was built in year of 2000 and located in Chongqing city, China, which is a famous industrial machinery city. As a leading oil purifier manufacturer and oil purification technology development company, we specialized in designing, producing, developing and selling various types of oil purification equipment such as transformer oil purifier, turbine oil purifier, lube oil purifier, hydraulic oil purifier, engine oil purifier, ship oil filtration plant, used cooking oil purifier, centrifuge oil separation purifier and all other industrial oil purification machines. We offered professional oil solutions service and oil purifier machines for world-wide customers near 20 years. Our equipment can be applied to many industrial fields, such as the electric power, petroleum chemical, metallurgical industry, mine, aviation, shipping and railway, factories, and so on. We have sold products to Africa, North America, South America, Asian countries, worldwide places.

And we have been to customers' on-site places to offer training and commissioning services for customers as required like Africa countries, Asian countries etc. From these years work for oil filtration and on-site oil processing, we gain rich experiences and researching in better machines and keep us developing all the time. We are aiming to save oil energy sources and save new oil cost for our customers, through purifying their old oil, and maintaining their oil cleanliness to keep their oil always in good condition as new to use into their machinery, equipment and system. And under this situation, these machinery and equipment can be always maintained well too, so their lifetime can be also prolonged largely.

Our Team
We have a number of national-class oil purification experts and experienced technology engineers, mechanical designers, and machine engineers and well skilled workers, and responsible sales persons as a strong team of our REXON group. Based on our powerful technical researching and operating team support, we have offered professional oil solutions service and various kinds of oil purification machines to world-wide customers. After these years' practice in oil purifying area, we step on a much higher level of our products, and we get high reputation from customers!

Our QC department will make detailed testing and inspection on each of our oil purifier machine before packing and delivery. Every machine sent from our factory need to be tested for hours and qualified by QC department, then it has the testing certificate and allowed to be sent out of factory. Rexon company will always keep efforts on quality control and guarantee.

REXON Aftersales Services
-We will help to arrange the transport and shipping for the machine to customer.
-We offer full set documents for customs clearance at customer's destination port.
-We will offer lifetime technical support for our equipment, free technical upgrade, free or chargeable spare parts supply, etc.
-We offer online service for customers 24 hours everyday. If you have any question while using our machine, you can contact us by online chat software, or by email, phone etc, we will get back to you very soon within 4 hours.
-We will also offer operation training for free in our factory and offer door-to-door service to send our engineer to your place for the machine's installation service and operation training if you need.
-Installation, Operation and Maintenance details will be in the operation manual booklet and videos which will be sent to you with machine.
-Rexon's guarantee time is two years for each of our equipment.

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