The research relevance is conditioned by decrease in installations efficiency and high fuel consumption due to scale formation on heat-exchange surfaces, and conditioned by transition to ecologically clean, resource-saving power engineering and increase in hydrocarbon raw materials extraction efficiency. In this connection, this article aims at contact type heat generators application disclosing possibilities. The main approach to the study of this problem is the heat-transfer agent contact heating application. This article materials practical value is for complex heat supply systems engineers and designers.
The relevance of the study is due to low effective utilization of heat of fuel combustion in existing heat generators, in particular, boiler units intended for heat supply to industrial enterprises and residential buildings. Another important research area of the study is the ascertaining ability of a boiler to operate on raw water, which hasn’t undergone a process of preliminary reduction of hardness. The article reveals the use of latent heat of water vapor contained in the exhaust gases in all models of existing boiler units. The authors proposed and described a method for the effective utilization of the latent heat by means of contact heating of the coolant.
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