After the recommendation of the separator manufacturer, Yuandong Petrochemical Group was invited to entrust our company to resolve the issue of excessive vibration of the separator. Description of vibration: After this separator was overhauled, the vibration was too large. Later, the internal and external rotors were transported to a company in Wuxi and the vibration value was still too large after balancing. After being analyzed by our vibration analysts on site, we found that this vibration exists. Phenomenon, the main vibration frequency of the inner and outer rotor speed doubled. Far East Petrochemical equipment personnel informed that the dynamic balance manufacturers have also implemented field dynamic balance, but the phase has been unstable, so they have not been successfully resolved. The vibration analyst of our company informs the customer that because of the difference in rotation speed of the separator, the domestically-made dynamic balancer has no filtering function, which leads to phase instability. Our company uses the Swedish MaintTechCXBalancer for vibration analysis and dynamic balance, which can be accurately collected inside and outside. The frequency and phase of the rotor frequency. After 10 hours of fighting, the balance of internal and external rotors reached ISO1940 G2.5 and the vibration value was reduced from the original maximum of 11 mm/s RMS to 4.3 mm/s RMS, which was in line with Far East Petrochemical's vibration acceptance criteria.
Zhejiang Far East Chemical Fiber Group is a comprehensive large-scale enterprise group integrating polyester, polyester spinning, polyester staple fiber, elastic shell, printing and dyeing, real estate, and thermal power. It is a state-level key high-tech enterprise and a state-level “Shou contract and heavy creditâ€. “Units, one of the 26 large-scale key development and enterprise groups in Zhejiang Province, and five key batches of key enterprises in Zhejiang Province were awarded “gold customers†by several banks. At present, the company's annual polymerization capacity has reached 800,000 tons, and it has the ability to produce melt spinning and spinning differentiated filaments and staple fibers. It has an annual capacity of 280,000 tons of elastic DTY yarns and 120 million meters of external dyeing and processing fabrics. Both the production scale and the economic benefits rank first in Zhejiang Province and are also influential in the field of international chemical fiber. The company always adheres to the “Quality First†business philosophy and focuses on the implementation of brand strategy. “Ye Mao†brand polyester filament yarn is regarded as a Zhejiang famous brand product, “Ye Mao†trademark is a famous brand in Zhejiang Province, and for many years, the products sell well both at home and abroad. Sales in Asia, Europe and the United States market, enjoy a high reputation at home and abroad. Far East Group will try its best to build a famous brand, establish a well-known corporate image, integrate all aspects with international standards, and participate in international competition.
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Yuheng Optics Co., Ltd.(Changchun) , https://www.yhenoptics.com