The influence of heat source temperature on the energy efficiency of absorption bromine lithium step down thermal transformer
The article deals with the influence of heat source temperature at different degrees of internal heat regeneration on the transformer ratio in single-stage cycles of absorption bromine lithium step down thermal transformer. Ideal cycles with full heat regeneration on the cold side of regenerative heat exchanger, without a regenerative heat exchanger, and actual thermodynamic cycles with finite temperature difference between weak and strong solutions on the cold side of regenerative heat exchanger are analyzed. The efficiency of the transformer is due to reliable sources of high-potential heat to transform up to a temperature level necessary for a secure technological process. A narrow array of the transformers in question is available in the industry (e.g. Teplosibnash LLC). The reliable techno-economic justification is necessary to enlarge the area of application for the bromine lithium step down thermal transformers with increased temperature potential and power.