Abstract
This paper regards district heating as a service intended to satisfy the space heating and domestic hot-water requirements of the public. It sets out a complete scheme for a large town of 250,000 people in such a manner as to show the values of the parts as well as the value of the whole.
The build-up of the district heating load is conveniently set out under the headings: (a) industrial and commercial, (b) community, and (c) housing, whilst the engineering and economic features are related to the consumers, the sub- and main-distribution, and generation.
District heat is low-grade energy, and its generation is properly associated with the generation of electricity which is high-grade energy. In taking advantage of combined generation of heat and electricity, consideration is given to the already highly organized state of the electricity supply.
The conclusion deals with the costs and overall fuel economy and does not deal with improved amenities which, in the opening part of the paper, are taken for granted.
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