Download 2010 ASHRAE Handbook - Refrigeration (I-P Edition) by American Society of Heating Refrigerating and PDF

By American Society of Heating Refrigerating and Air-Conditioning Engineers

This instruction manual covers the refrigeration apparatus and structures for functions except human convenience. This ebook contains info on cooling, freezing, and storing foodstuff; commercial purposes of refrigeration; and low-temperature refrigeration. basically a reference for the training engineer, this quantity can also be worthy for an individual interested in cooling and garage of nutrition items. This variation contains new chapters: Carbon Dioxide Refrigeration platforms and Terminology of Refrigeration. additionally new for this quantity are bankruptcy order and groupings which were revised for extra logical movement and use.

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Extra info for 2010 ASHRAE Handbook - Refrigeration (I-P Edition)

Sample text

To achieve suitable material properties, stainless steel pipe may be appropriate. Carbon Dioxide Refrigeration Systems Fig. 0 for CO2) Some special considerations are necessary for liquid feed valve assemblies to facilitate maintenance. Depending on the configuration, it may not be feasible to drain the liquid out of a valve assembly before maintenance is needed. Liquid CO2 in the valve assembly cannot be vented directly to atmosphere because it will turn to dry ice immediately. Between any two valves that can trap liquid, a liquid drain valve should be installed on one side and a gas-pressuring valve on the other.

Manufacturing facilities use it in both liquid and gas phase, depending on the process or application. , to replenish large storage tanks) can be transported by pressurized railway containers and specialized road transport tanker trucks. CO2 is considered a very-low-cost refrigerant at just a fraction of the price of other common refrigerants in use today. Comparing environmental concerns, safety issues, and cost differentials, CO2 has a positive future in mechanical refrigeration systems, serving as both a primary and secondary refrigerant.

9°F at 75 psia. Normal operation of pumps and valves is not affected by this phase change in the long term, although the plant obviously cannot operate when full of solid. The main hazard associated with this behavior is the effect of low temperature on the vessel materials. Gravity Liquid Separator This vessel is designed to separate the liquid out of two-phase flow to protect the compressor from liquid entrainment. They can be in either a vertical or horizontal configuration. 06 for ammonia. Recirculator This vessel is a gravity liquid separator, but it also contains a managed level of liquid, which is pumped out to the evaporators at a specific flow rate.

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