F - Mech Eng,Light,Heat,Weapons – 01 – K
Patent
F - Mech Eng,Light,Heat,Weapons
01
K
F01K 25/08 (2006.01) F01K 25/06 (2006.01)
Patent
CA 2393386
The invention provides a method of converting heat energy to a more usable form using a multi- component working fluid mixture that contains ammonia and water. The working fluid is operated in a thermodynamic cycle that includes liquid compression, vaporization, expansion through a turbine and condensing. The multi-component fluid varies in temperature during phase change allowing for the use of counter-flow heat exchangers for the heater, cooler, recuperator and pre-heater. Significant recuperation is possible due to the temperature change during phase change. A pre-heater can be applied to ensure only single-phase vapour exists within the heater. The invention can be used in conjunction with a biomass combustor or with waste flue gas from an existing industrial process. The coolant exits at a temperature sufficient to allow use in external heating applications or to minimize the size of external heat rejection equipment.
Na
Smith Douglas Wilbert Paul
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