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How does a biomass pyrolysis furnace work?

Time：2024-07-17

　　
The working principle of the biomass pyrolysis furnace is mainly based on the thermochemical conversion process.

In the pyrolysis furnace, the biomass raw materials are heated to a certain high temperature in an oxygen-deficient or low-oxygen environment.

When the temperature rises, the macromolecular organic compounds inside the biomass begin to undergo thermal decomposition reactions. First, the water in the biomass is evaporated.

Then, the main components such as cellulose, hemicellulose and lignin begin to break chemical bonds and decompose into smaller molecules.

These decomposition products further undergo a series of complex chemical reactions, such as decarboxylation, dehydration, dehydrogenation, etc.

In the end, biomass is converted into three main products: bio-oil, biochar and combustible gas (also known as syngas, mainly containing carbon monoxide, hydrogen and methane, etc.).

Bio-oil is a complex organic mixture that can be further refined and processed into fuel or chemicals.

Biochar has a rich pore structure and a high carbon content, and can be used in soil improvement, adsorbents and other fields.

Combustible gas can be used as fuel for heating or power generation.

The temperature, heating rate, residence time and reaction atmosphere of the entire pyrolysis process have an important influence on the distribution and properties of the products. By controlling these parameters, the effect of biomass pyrolysis can be optimized to meet different application requirements.

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How does a biomass pyrolysis furnace work?

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