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<b>Abstract</b>— <p>The gas flow rate through the cryogenic supply systems of the NICA accelerator complex is a parameter whose measurement plays a decisive role in the operation and maintenance of equipment and in the optimization of the technological process. Monitoring the measurement of compressed helium flow rate through the MO-800 adsorber of oil purification and drying units makes it possible to track the time of production of the adsorbent’s protective effect and replace it in a timely manner. A technique for selecting a diaphragm-type flow meter and measuring the flow through it for the MO-800 No. 4 oil purification and drying unit. A diaphragm with control and measuring instruments was installed on the compressed helium outlet line from the unit in February 2024. In April 2024, a software package for measuring flow, monitoring the residual amount of adsorbent, and promptly informing the operator was developed and implemented as part of the MO‑800 No. 4 automated process control system. Possible applications of diaphragms for measuring the performance of compressor equipment and the refrigeration capacity of cryogenic installations is also examined.</p>

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Experience in and Prospects for Using Flow Meters Based on Orifice Devices in the Cryogenic Supply System of the NICA Accelerator Complex

  • 期刊论文

  • 发表日期：

    2025年8月11日

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  • S. V. Gudkov,
  • T. G. Zhironkina,
  • A. V. Konstantinov,
  • Yu. A. Mitrofanov,
  • D. S. Shvidkiy

摘要

Abstract—

The gas flow rate through the cryogenic supply systems of the NICA accelerator complex is a parameter whose measurement plays a decisive role in the operation and maintenance of equipment and in the optimization of the technological process. Monitoring the measurement of compressed helium flow rate through the MO-800 adsorber of oil purification and drying units makes it possible to track the time of production of the adsorbent’s protective effect and replace it in a timely manner. A technique for selecting a diaphragm-type flow meter and measuring the flow through it for the MO-800 No. 4 oil purification and drying unit. A diaphragm with control and measuring instruments was installed on the compressed helium outlet line from the unit in February 2024. In April 2024, a software package for measuring flow, monitoring the residual amount of adsorbent, and promptly informing the operator was developed and implemented as part of the MO‑800 No. 4 automated process control system. Possible applications of diaphragms for measuring the performance of compressor equipment and the refrigeration capacity of cryogenic installations is also examined.