An axial-cut multi-swirl gas-liquid-solid multiphase flow burner with expansion section

Abstract

The invention discloses an axial-cutting multi-swirling gas-liquid-solid multiphase flow combustor with expansion sections, and belongs to the field of combustion. The combustor comprises an axial adapter, a nozzle, a combustor front cover body, a swirling frame assembly, a combustor rear cover body, a metal pipe, a gasket, a tangential adapter and a fastening bolt. The swirling frame assembly comprises a middle layer and at least two swirling frames. Each swirling frame is internally provided with a swirling mixing cavity. The mixing cavities are gradually increased from the first-level swirling frame to the n-level swirling frame. An expansion section is formed between every two adjacent swirling mixing cavities. The circumferential direction of each swirling mixing cavity is provided with N tangential airflow inlets tangential to the swirling mixing cavity. The airflow inlet of each swirling mixing cavity is provided with N tangential adapters for airflow entering. The axial-cutting multi-swirling gas-liquid-solid multiphase flow combustor with the expansion sections is applicable to rapid and efficient combustion of liquid drop fuel and solid fuel, and also applicable to continuous synthesis of nanometer materials and rapid heating treatment of industrial waste gas.

Description

technical field [0001] The invention belongs to the field of combustion, and in particular relates to an axial-cut multi-swirl gas-liquid-solid multiphase flow burner with an expansion section. Background technique [0002] In the utilization of fuel, compared with gaseous fuel, solid and liquid fuels have been widely used in industrial production due to their high calorific value, high energy density, and convenient storage. However, compared with gaseous fuels, solid and liquid fuels have the disadvantages of being difficult to mix, high ignition temperature, unstable flame, and generating more soot and NOx. Therefore, it has been the constant pursuit of scholars from all over the world to seek advanced combustion technologies for rapid and efficient combustion of liquid and solid fuels and less emission of soot, NOx and other pollutants. [0003] In the synthesis of nanomaterials, the flame synthesis technology of nanomaterials has been widely used due to the advantages ...

AI Technical Summary

Problems solved by technology

However, in the current flame synthesis of nanomaterials, there are disadvantages such as difficult to accurately control the flame shape, uneven flame temperature distribution, low quality nanomaterials, and the generated nanoparticles are easy to stick to the wall of the burner.

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