Bio Building

District heating, all the info


In this article we will talk about district heating, remote heating unit, which through a network of pipes, conducts the heat generated by large cogeneration plants to homes. This type of heating allows less energy to be wasted: any kind of fuel can be used in the plants, depending on the availability of the moment. This allows to reduce transport and maintenance costs compared to the traditional boiler.

District heating, how does it work
From the central unit, the heat is transmitted to the heat transfer fluid and distributes it through a network of pipes to the end users. The primary piping network reaches the secondary users' network, involving the exchange of heat through the substations installed in the various buildings. The heat is transferred into the water of the users' secondary pipes to be then used to heat the rooms or to constitute domestic hot water. The primary network of pipes starts from the cogeneration plant up to under the buildings while the secondary one starts from the users' heating systems and then connects to the primary network through the exchange control unit, which manages the heat exchange between the heat transfer fluid, coming from the cogeneration plant, and the rooms to be heated.
Maintenance is rather minimal, since there is no direct use of fuel: by virtue of this, various problems are eliminated.

District heating, design
For the installation of an urban network of district heating it is necessary to identify the district heating area and analyze the user. Based on the district heating request, it will be possible to define the size and location of the district heating. After this first step, it will be possible to design the system and then move on to the construction and commissioning of the urban district heating system itself. After carefully examining the entire process and agreeing on it, it will be possible to heat an urban area significantly reducing waste with consequent economic savings, but not only! It is a heating system with a lower environmental impact than traditional single boiler heating methods

Video: District Heating and Heat Networks (October 2020).