References

Helium Liquefier with precooling, Krakow

Project
New construction of a helium liquefier 42 LHe with LN2 precooling at the IFJ Institute Krakow (Poland) – Institute of Nuclear Physics. The refrigeration occurs according to the Claude process.

Performance Specifications
Condensing rate: 23 LHe/h without LN2 precooling
42 LHe/h with LN2 precooling
Compressor power consumption: 55 kW

Contact
IFJ Institute of Nuclear Physics PAN
ul. Radzikowskiego 152
31-342 Kraków, Poland

 

Project outline:

  • Design, manufacture, assembly and installation of a new helium liquefier with gas-bearing expansion turbines.
  • Scope of delivery
    – Circulating compressor water-cooled
    – Oil Remover System with Gas Management Panel
    – Coldbox including expansion turbines and freeze cleaner
    – Clean gas buffer
    – Gas dryer
    – MSR-Technology
    – LHe Dewar 1.000 l
    – Two helium balloons, 15 cbm each
    – High pressure distributor panel
    – Recovery control
    – Control of the existing recovery compressor
  • Installation of all system components
  • Commissioning of the entire system

Helium Liquefier, University of Bayreuth

Project
Construction of a new helium liquefier 23 LHe without LN2 precooling at the University of Bayreuth. The refrigeration occurs according to the Claude process.

Performance Specifications
Condensing rate: 23 LHe/h without LN2 precooling 
Compressor power consumption: 55 kW

Contact
Universität Bayreuth Lehrstuhl für Spektroskopie weicher Materie
D-95440 Bayreuth

Project outline:

  • Design, manufacture, assembly and installation of a new helium liquefier with gas-bearing expansion turbines.
  • Scope of delivery
    – Circulating compressor water-cooled
    – Oil Remover System with Gas Management Panel
    – Coldbox including expansion turbines and freeze cleaner
    – Clean gas buffer
    – Gas dryer
    – MSR-Technology
  • Installation of all system components
  • Commissioning of the entire system

Helium Liquefier, University of Paderborn

Project
New construction of a helium liquefier 23 LHe without LN2 precooling at the University of Paderborn. The refrigeration occurs according to the Claude process.

Performance Specifications
Condensing rate: 23 LHe/h without LN2 precooling 
Compressor power consumption: 55 kW

Contact
Experimental Physics
Warburger Str. 100
33098 Paderborn

Project outline:

  • Design, manufacture, assembly and installation of a new helium liquefier with gas-bearing expansion turbines.
  • Scope of delivery
    – Circulating compressor water-cooled
    – Oil Remover System with Gas Management Panel
    – Coldbox including expansion turbines and freeze cleaner
    – Clean gas buffer
    – Gas dryer
    – MSR-Technology
  • Installation of all system components
  • Commissioning of the entire system

Helium recovery, Braunschweig

Project
Construction of a new helium recovery plant for the Physikalisch Technische Bundesanstalt in Braunschweig, Germany

Performance Specifications
Compressor performance:129 m3/h
Storage capacity GHe: 10.800 l á 200 bar
3 Storage groups
7 Feedback lines
Storage capacity LHe: 5.000 l

Contact
Physikalisch Technische Bundesanstalt Braunschweig
Bundesallee 100
D-38116 Braunschweig

Project outline:

  • Installation of a new Sauer & Sohn helium compressor WP 4341
  • Installation of 18 high pressure cylinder bundles with automatic filling, emptying
  • Monitoring of the incoming helium for quantity and contamination with fault signal at a definable threshold value.
  • Installation of two new helium storage balloons with non-contact level measurement
  • Balloon tip detection with early activation of compressors
  • Trend curves for monitoring individual process values
  • Regeneration dryer to improve the dew point (product: Vorbuchner PulseDryer 200)
  • Complete installation of the high and low pressure piping made of stainless steel as well as the complete electrical installation for the entire plant.
  • Maintenance of ongoing operations during the conversion and new construction phase, no significant losses

Helium recovery, Dortmund

Project
New construction of a helium recovery plant for the replacement building chemistry/physics of the University of Dortmund.

Performance Specifications
Compressor performance: 86 m3/h
Storage capacity GHe: 16.800 l á 200 bar
3 Storage groups
5 Feedback lines
Storage capacity LHe: 4.000 l

Contact
Technische Universität Dortmund
Otto-Hahn-Strasse 4
D-44227 Dortmund

Project outline:

  • Construction of a new helium recovery plant at Dortmund University
  • Installation of two new Sauer & Sohn helium compressors WP 4341 with flow rate monitoring
  • Installation of three high-pressure torpedoes with automatic filling, emptying and temperature monitoring for exact balancing
  • Überwachung des ankommenden Heliums auf Verschmutzung mit Störmeldung bei einem definierbaren Schwellwert
  • Monitoring of incoming helium for contamination with fault signal at a definable threshold value
  • Balloon tip detection with early activation of compressors
  • Trend curves for monitoring individual process values
  • Regeneration dryer for improving the dew point
  • Complete installation of high and low pressure piping made of stainless steel
  • Automatic switching of compressor priority for even distribution of operating hours
  • Installation 4,000 l LHe Dewar with level measurement and transfer system

Helium Liquefier, University of Giessen

Project
Helium liquefier 16 LHe with LN2 precooling at Justus-Liebig University in Giessen, Germany

Performance Specifications
Liquefaction rate: 16 LHe/h without LN2 precooling 
Compressor power consumption: 55 kW

Contact
Justus-Liebig-Universität Giessen
I. Physikalisches Institut
Heinrich-Buff-Ring 16
35392 Giessen
Germany

Project outline:

  • Manufacturing, assembly and installation of a helium liquefier with gas-bearing expansion turbines.
  • Scope of delivery
    – Circulating compressor water-cooled
    – Oil Remover System with Gas Management Panel
    – Coldbox including expansion turbines and freeze cleaner
    – Clean gas buffer
    – Gas dryer
    – MSRTechnology
    – Transfer pipe
    – Cold water unit
  • Installation of all system components
  • Maintenance of operation during the conversion and construction phase
  • Commissioning of the entire system

Helium plant Walther-Meissner Institute, Garching

Projekt
Renewal of the helium and nitrogen plant at the Walther-Meissner Institute in Garching.

Performance Specifications
Storage capacity GHe (geometric volume): 5x 12.000 l á 200 bar
Storage capacity clean gas buffer: 2x 8.000 l á 16 bar / 1x 2.000 l á 16 bar
Storage capacity LN2: 2x 6000 l

Contact
Walther-Meissner-Institut
Bayerische Akademie der Wissenschaften
Walther-Meissner-Str. 8
85748 Garchingc

Project outline:

  • Conversion and refurbishment of the helium and nitrogen plant
  • Installation of five new HD storages with a total geometric volume of 60,000 l
  • Installation of two liquid nitrogen tanks with a total volume of 12,000 l
  • Automatic distribution of the helium via a panel
  • Clean gas piping in the building for helium and nitrogen
  • Maintaining the ongoing operation during the conversion and new construction phase, no significant losses

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