The Cryogenic Fail-Safe Control System (CRYOFACS): A comprehensive approach to safety in the cryogenic workplace
A safety system has been designed and constructed to mitigate the asphyxiation and low temperature hazards presented by the distribution and usage of cryogenic liquids in work spaces at Sandia National Laboratories. After identifying common accident scenarios, the CRYOFACS (Cryogenic Fail-Safe Control System) unit was designed, employing microprocessor technology and software that can be easily modified to accommodate varying laboratory requirements. Sensors have been incorporated in the unit for the early detection of accidental releases or overflows of cryogenic liquids. The CRYOFACS design includes control (and shutdown) of the cryogen source upon error detection, and interfaces with existing oxygen monitors, in common use at Sandia Labs, to provide comprehensive protection for both personnel and property.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 10144060
- Report Number(s):
- SAND--93-0151; ON: DE93011237
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
420200
440800
47 OTHER INSTRUMENTATION
ALARM SYSTEMS
CONTROL SYSTEMS
CRYOGENIC FLUIDS
CRYOGENICS
DESIGN
DETECTION
FACILITIES, EQUIPMENT, AND TECHNIQUES
HAZARDOUS MATERIALS
LIQUEFIED GASES
MATERIALS HANDLING
MATERIALS HANDLING EQUIPMENT
MISCELLANEOUS INSTRUMENTATION
MONITORING
MONITORS
NITROGEN
OXYGEN
SAFETY