Consider using waste heat from the process to reduce energy consumption - either by reuse in the process itself, or to meet other heating needs such as space heating. There are several options that could be explored. However, a thorough assessment should be made as to their cost and suitability before implementing or purchasing.
- Consider pre-heating the water
An economiser can be used to transfer heat from hot flue gas from a boiler to the water being fed into the boiler.
- Consider pre–heating the combustion air
Waste gases from furnaces can be used to provide heat via a heat exchanger, and so reduce energy use in the furnace.
- Consider using steam condensate
Where possible, consider returning hot condensate to the boiler, via pipework, as this will save energy and conserve water.
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