New Approaches to Ammonia System Designs
New Approaches to Ammonia System Designs (1993)-To minimize the effects of possible accidents from ammonia leakage the following should be considered: Minimize the charge of ammonia in the system, Use dry expansion system with oil that is soluble with ammonia, Optimum design for smaller piping, Minimize ammonia gas leakage, Use factory pre-assembled package, Use totally enclosed compressor with canned motor, Utilize automatic operation, Use leak detector, Totally automatic operation with computer controlled system, Check-up system for preliminary maintenance, More efficient system and equipment design, High efficiency evaporators for dry expansion ammonia, High efficiency heat exchanger tubes. Two new systems have been designed to test the above concepts. The novel approach taken has utilized new concepts for the design and operation of systems using ammonia refrigerant.
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