Safety interlock and vent system to alleviate potentially dangerous ice blockage of top-loading cryostat sample sticks

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Date
2013-08-01
Journal Title
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Publisher
Wiley-Blackwell
Abstract
A combined solution is presented for minimizing the safety hazards associated with closed cycle cryostats described by Swainson & Cranswick [J. Appl. Cryst. (2010), 43, 206-210]. The initial solution is to install a vent tube with one open end deep inside the sample space and a pressure relief valve at the top. This solution works for either a cryogen or a cryogen-free (closed cycle) system. The second approach, which can be combined with the first and is applicable to cryogen-free cryostats, involves electrically interlocking the closed cycle refrigerator compressor to the sample space, so that the system cannot be cooled in the presence of a leak path to air. © 2013, Wiley-Blackwell.
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Keywords
Crystals, Ice, Furnaces, Neutrons, Scattering, Environment
Citation
Pangelis, S., Olsen, S. R., Scherschligt, J., Leao, J. B., Pullen, S. A., Dender, D., Hester, J. R., & Imperia, P. (2013). Safety interlock and vent system to alleviate potentially dangerous ice blockage of top-loading cryostat sample sticks. Journal of Applied Crystallography, 46, 1236-1239. doi:10.1107/S0021889813010868
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