Hangzhou Oxygen successfully developed large-scale distribution of high-pressure oxygen pump

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July 3, from Hangzhou oxygen Group Co., the company developed 8.7MPa high pressure liquid centrifugal pumps , high pressure supporting 120,000 Air Liquide air separation plant the throttle was cold interaction test. After running, testing, the two indicators of the product to meet the design requirements.
For a long time, for the compression process air separation plant supporting hyperbaric oxygen pump, for large air separation plant supporting high-pressure liquid air throttle valve has been dependent on imports. In order to speed up the process of localization of key ministries, HangXiao promptly made proposals for technology ( valves and pumps ). The 8.7MPa centrifugal high-pressure liquid pump is designed with technical parameters of 60000 internal compression level air separation plant as a technical parameter, cooperate with colleges and universities such as Fudan University, Zhejiang University and carry out calculation and analysis of the rotor form simulation The pump rotor system is optimized. After the improvement of the centrifugal pump, successively in March 2013 and July passed the low temperature operation test twice. After testing, throughout the low temperature test, the final motor bearing vibration are ≤ 3.0mm / s (international standard 4.5mm / s).

The success of the two technologies linked to the test shows that the oxygen has been equipped for large-scale air separation plant supporting high-pressure low-temperature centrifugal pumps and high pressure differential valve capacity to fill the gap, will further promote the large-scale air separation unit Localization process.

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