Turbine-driven compressor coupling sealing oil collecting system in MVR salt making device

Abstract

The invention discloses a turbine-driven compressor coupling sealing oil collecting system in an MVR salt making device. The system comprises a tubular protective cover arranged on a coupling in a sleeving mode in the axial direction of the coupling, and an oil return pipeline communicating with the protective cover, two ends of the protective cover are correspondingly in sealed flexible connection with a first bearing box and a second bearing box, and an oil mist fan is arranged on the oil return pipeline and used for making the protective cover, the first bearing box and the second bearing box have negative pressure. The protective cover is connected with the oil return pipeline, slightly large negative pressure is formed in the first bearing box and the second bearing box by utilizing the oil mist fan and an oil station oil return siphon principle, the problem of oil leakage of oil retainers on the outer sides of the first bearing box and the second bearing box is solved, high temperature generated by high-speed rotation of the coupling is cooled by utilizing sucked lubricating oil, the problems of high temperature, vibration, wind noise and the like caused by high-speed rotation of a diaphragm coupling are solved, oil leakage of an oil retainer of a bearing box of high-speed rotating equipment is prevented, leaked oil is collected and utilized, and potential safety hazardsof a semi-cover type protective cover are eliminated.

Description

Technical field [0001] The present invention belongs to the field of shaft sealing technology, and is specifically an MVR salt, a steam turbine drive a compressor coupling sealing oil supply system. Background technique [0002] Since 2010, there are also a few sets of thermal suppression saline devices, from the application of hot pressing salts such as Medium Jintan Salt Co., Ltd., which has provided many effective experiences for mechanical heat compression saline technology. Provide a practical basis for localization of the entire process. With the continuous improvement of the overall level of the domestic machinery manufacturing industry, thermal pressing salt and key equipment compressors have realized localization. As a key device of compression and transportation of various gases in chemical production, centrifugal compressors accounts for extremely important positions, and centrifugal compressors typically use steam turbine or motor drive, and the steam turbine drives t...

AI Technical Summary

Problems solved by technology

If an airtight shield is used, the space is limited. If the temperature inside the shield is not cooled, the temperature can reach 125-135°C, and there is no way to dissipate heat. The temperature will be higher after heat accumulation

The flash point of turbine oil is 180°C, so there is a risk of fire

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