Pyrolysis boilers in the domestic market are not uncommon. Such boilers are about 2 times more expensive than solid fuel ones, their operating time on one fuel load is higher than that of boilers that run on coal or wood.
The efficiency of their work may vary depending on the temperature inside the room and outside the window, the insulation of the house, the moisture content of the fuel, the literacy of the installation of the heating system.
By burning firewood, you will not be able to reach such a high temperature as when burning the gas that is obtained from them. In the process of burning gas, less secondary air is needed than when burning wood, therefore the temperature and duration of combustion are higher. The combustion process of pyrolysis gas is easier to control, because the boiler can be automated. The operation of such a boiler is based on pyrolysis fuel combustion (dry distillation): at high air temperatures and lack of O2, wood decomposes into pyrolysis gas and coke.
The wood is subjected to pyrolysis at 200-800 ° C, while heat is released, due to which the drying of the fuel inside the boiler occurs more intensively, and the air entering the combustion zone heats up. O2 interacts with pyrolysis gas, and combustion begins at high temperatures. Pyrolysis gas interacts with carbon contained in the air, as a result, there are almost no harmful impurities in the flue gases at the outlet, and a minimum amount of ash and soot is formed, therefore the unit will need to be cleaned less often than a traditional boiler.
Before buy a pyrolysis boiler , take a look at the advantages of such units over traditional ones:
- low fuel consumption;
- the ability to adjust the power (from 30% to 100%);
- service is easy;
- fuel is supplied only a few times a day;
- it is possible to burn several large blocks of wood;
- you can use raw firewood (moisture content up to 20%).
Pyrolysis boilers provide an opportunity to save money, despite the high cost.
