Customer background
The client is the first nuclear power project approved for construction during the country’s “Eleventh Five-Year Plan” period. It is the first nuclear power project in China to simultaneously install 4 million-kilowatt nuclear power units in a standardized and large-scale construction. It is also the first nuclear power plant in Northeast China.
Customer pain points
The EH oil tank provided by nuclear power customers has a small capacity. Once leaked, the unit has been adjusted. In order to avoid such problems, it is necessary to add an auxiliary fuel tank
Device name: EH system (steam turbine speed control system)
Solve the problem: reduce acid value and MPC value
Oil details
Oil tank capacity: 500L
Oil type: Phosphate ester EH
Solution
Oil purifier model: WVDJ-K20 EH oil purifier
Oil purifier commissioning time: from June 2020 to now
Before purification
Acid value: >0.32
MPC value: 45
After purification
Acid value: <0.06
MPC value: 10
Comprehensive evaluation
The customer used imported equipment before, but did not solve the actual problem. After comprehensively comparing the oil purifiers on the market, customer finally used WSD EH oil purifier, which better controlled the acid value, resistivity and MPC, pollution degree, and moisture are all within the qualified range, which solves the customer’s pain points such as the slow action and stickiness of the servo valve caused by the varnish. The customer’s newly built units 5 and 6 have recommended the use of WSD EH oil purifier.
Post time: Jan-17-2023