Ammonia Refrigeration System Pdf

Ammonia is one alternative refrigerant for new replacement and existing refrigeration system designs where compatible.

Ammonia refrigeration system pdf. This presentation will provide an overview of the ammonia refrigeration systems. 109 minimum safety criteria for a safe ammonia refrigeration system see 7 3. Industrial refrigeration systems have used anhydrous ammonia for more than a sesquicentennial. 15 implementation of ammonia p.

5 during this presentation we will discuss brief background on ammonia and its uses ammonia the refrigerant ammonia refrigeration the technology how is ammonia different compared to other refrigerants. 13 general p. It is intended that this chapter be used as a general reference source and that in all cases recommended practices issued by equipment manufacturers and suppliers take precedence over these recommendations when they afford greater protection. 15 compression refrigeration systems using ammonia p.

2 2 this bulletin is not intended to replace or provide substitute for the safety codes and standards listed in section 6. Many anhydrous ammonia system operators know their systems inside and out. 6 where is ammonia used. Safety laws for anhydrous ammonia refrigeration system operators.

A list of the federal laws and regulations related to process safety accident prevention emergency planning and release reporting may be found in appendix c. National standard for equipment design and installation of closed circuit ammonia mechanical refrigerating systems see 7 1 ansi ashrae 15 2010 safety standard for refrigeration systems see 7 2 and iiar bulletin no. Many of the requirements of the process safety management standard 29 cfr 1910 119 are identified in this. Ammonia has a low boiling point 28 f 0 psig an ozone depletion potential odp of 0 00 when released to atmosphere and a high latent heat of vaporization eight 8 17 at 28 f times higher than r 12 and.

Although ammonia has a long history of use in the industrial sector the interest in ammonia as a potential refrigerant for non industrial applications has grown recently. 17 the use of cold and installation typology p. Sheets and serves as a convenient check list of criteria governing a safe ammonia refrigeration system. 2 3 safety inspections shall take into account all relevant local laws regulations codes.

Operation of an ammonia refrigeration system. Ammonia refrigeration systems cold production p. 13 theoretical refrigeration cycle and flow diagram p.