Sectionalized biomass combustion device

Abstract

The invention provides a sectionalized biomass combustion device. The sectionalized biomass combustion device comprises a rack. A feeding device, an air supply device, a combustion chamber and an igniter are arranged on the rack. The feeding device communicates with the combustion chamber. An ignition port is formed in the combustion chamber. The air supply device is used for blowing air into an air chamber. The air chamber communicates with the feeding device and the combustion chamber. A flow disturbing plate is arranged in the combustion chamber. The sectionalized biomass combustion device has the beneficial effects that flow disturbing plates with different sizes can be adopted to change the primary tangent air direction according to the power of a combustion machine and the diameter of a combustion cylinder, so that slight reversal combustion is formed, sectionalized combustion is formed by properly increasing the combustion temperature of the rear section of the combustion cylinder, the rear section is a thermal decomposition section, and the front section is a high-temperature gasification section; and by widening the combustion temperature adjustment range, high-temperature biomass raw materials can be combusted and decomposed, and the adaptability of the device is improved, so that fuel is combusted sufficiently, the loss caused by insufficient combustion is reduced, and the heat efficiency is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of biomass burning equipment, and relates to a staged biomass burning device. Background technique [0002] Biomass fuel refers to the burning of biomass materials as fuel, generally mainly agricultural and forestry wastes, such as straw, sawdust, bagasse, rice bran, etc., which are mainly different from fossil fuels. According to the current national policy and environmental protection standards, direct combustion of biomass fuel is a highly polluting fuel, which is only used in large stoves in rural areas and is not allowed to be used in cities. The application of biomass fuel is mainly biomass briquette fuel, that is, agricultural and forestry wastes are used as raw materials, and through crushing, mixing, extrusion, drying and other processes, they are made into various shapes such as granules, which can be directly burned as a clean fuel. . Biofuels shaped like pellets are biomass pellet fuels. As a n...

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Problems solved by technology

There are various deficiencies in existing biomass combustion devices using the above combustion technologies. One, the fuel cannot be fully burned, and there is always a loss of 5%-10% incomplete combustion; two, biomass particles mostly use woody raw materials, The impurity content in the raw material is slightly high, or when other biomass fuels are used, it is easy to slagging and agglomerating, causing overall combustion obstacles; 3. The temperature adjustment range is small, which is not suitable for industries with large temperature difference adjustment, especially when lower temperatures are required; 4. Unreasonable combustion chamber structure and air distribution design lead to low thermal efficiency and high operating costs; 5. High overall design and manufacturing costs cause difficulties in professional application and promotion

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