Ammonia Refrigeration System Design Pdf

To be aware of the relationship between the various components in the system.

Ammonia refrigeration system design pdf. To operate the system safely b. An introduction to ammonia refrigeration systems. 4 1 normative references 4 1 1 ansi iiar 1 latest edition definitions and terminology used in ansi iiar standards. 6 where is ammonia used.

4 1 2 ansi iiar 2 latest edition equipment design and installation of ammonia mechanical refrigerating systems section on materials 10 1 10 5. 2 1 this is a standard for the installation of closed circuit ammonia mechanical refrigeration systems and is not. To understand the operation and function of each component c. Ammonia refrigeration valves refer to ansi iiar 1 2011 for definitions.

Technologies andrefrigeration system designs available to the industry leaders which can ultimately lead to a substantially reduced ammonia charge for their cold storagefacilities. The design of safe ammonia systems will be considered from two aspects. Operation of ammonia refrigeration systems. The textbook concludes with coverage of liquid recirculation system operation.

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. With an ammonia refrigeration system equipment integrity management program policies and procedures for the identification understanding deterrence and control of hazards associated with the operation of an ammonia refrigeration system evaporator that part of an ammonia refrigeration system designed to produce refrigeration by vaporizing. 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. Firstly the general requirements of safe refrigeration system design will be considered based on the accident statistics given in section 2 and secondly the specific additional requirements particular to ammonia will be examined.

This presentation will provide an overview of the ammonia refrigeration systems. It describes both single stage and two stage ammonia systems and explains the importance of accumulators and inter coolers in ammonia refrigeration. Needs to have the capabilities necessary to design a system but rather that he she should have sufficient knowledge. 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.

Industrial refrigeration systems have used anhydrous ammonia for more than a sesquicentennial. Closed circuit refrigeration systems utilizing ammonia as the refrigerant and overpressure device piping when used in conjunction with a closed circuit ammonia mechanical refrigeration system shall comply with this standard.