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Designing a condense-air separator for a double-stage oil injected screw compressor and verification by two-phase discrete phase modelling CFD analysis.

Number: 1541

Author(s) : BAHADIR B., ERTÜRK S., PISIRICI S.

Summary

Air-Condense separators used at the outlet of oil-injected screw compressors play a very key role. As much as possible, zero amount of water should reach to the air dryer at the compressor outlet. The air dryers used at the compressor outlet are for absorbing the moisture in the air. If the excess condensate goes to the dryer, it will cause it to not work at the desired performance and this will cause corrosion in the user's compressed air line and damage the equipment where compressed air is used. For this reason, while maximizing the separation efficiency is important, a design study is made in which pressure drops are optimized and compressor energy consumption is reduced. Some of the most efficient and cost-effective separators use the cyclone separation method. This method has been selected for the new separator designs. First a mathematical method has been devised based on the literature on cyclones and swirl tubes. This method has been used to calculate outputs and design swirl tube air-condense separator model. The designs were verified for separation efficiency and pressure drops by using “Discrete Phase Modelling” two-phase fluid flow simulations and analyses. The verified designs were manufactured as prototypes and installed to a test compressor. In order to determine the most optimal among the new designs made, tests were carried out and the necessary results were compared. At the end, the aim of manufacturing new air-condense separators with a higher separation efficiency than the older ones were achieved.

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  • Original title: Designing a condense-air separator for a double-stage oil injected screw compressor and verification by two-phase discrete phase modelling CFD analysis.
  • Record ID : 30030373
  • Languages: English
  • Subject: Technology
  • Source: 2022 Purdue Conferences. 26th International Compressor Engineering Conference at Purdue.
  • Publication date: 2022/07/15

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