Ventilation with heat recuperation
Recuperation is used in ventilation systems to save electricity while creating the necessary temperature parameters.
Recuperation is a partial return of energy for reuse, recuperation in the ventilation system involves the transfer of part of the heat to the cold supply air.
In the cold season, the supply air in the supply and exhaust installations is heated by heaters. The use of recuperators allows you to reduce the amount of electricity needed to heat the supply air.
The idea of heat recuperation in ventilation systems is to heat the cold supply air with warm exhaust air.
So, we have warm air to be released with a temperature of 20°C and there is supply air, which has a temperature of – 10°C before the heater. We install, for example, a heat recuperation with a plate heat exchanger. To understand the principle of operation of a heat recuperation with a plate heat exchanger, imagine a square in which the exhaust air passes from bottom to top, and the supply air from left to right. ПMoreover, these flows do not mix with each other due to the use of special heat-conducting plates separating these two flows.
As a result, the exhaust air gives up to 70% of the heat to the supply air and at the exit from the recuperator has a temperature of about 2-6°C, and the supply air, in turn, has a temperature at the exit from the recuperator of 12-16°C.
Therefore, the heater will heat the air not -10C, but +12C, and this will allow us to significantly save on electrical or thermal energy spent on heating the supply air.
Server Service company carries out the design of ventilation systems with thermal energy recovery, the installation of these ventilation systems and the supply of ventilation units with recuperators from Europe.
Installation of recuperators in the ventilation system allows you to save energy costs and increase the performance of the ventilation system.
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