Combustion method using fuel combustion device, method for manufacturing cement, and cement firing equipment

By using a combination of combustible powder, fuel gas, and non-combustible powder in the combustion device, the combustion process is optimized, solving the problems of fossil fuel consumption and carbon dioxide emissions, and achieving efficient and low-cost burner operation.

CN120826568APending Publication Date: 2025-10-21SUMITOMO OSAKA CEMENT CO LTD
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Patent Information

Application Number
CN202480016748.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-03-29
Filing Date
2024-03-19
Publication Date
2025-10-21

AI Technical Summary

Technical Problem

Existing technologies struggle to maintain the radiative heat transfer of burners and the heat of the objects being heated while reducing fossil fuel use, resulting in high carbon dioxide emissions and high operating costs.

Method used

By employing a fuel combustion device that combines combustion methods that supply combustible powder, fuel gas, and non-combustible powder, the combustion process is optimized through a fuel supply mechanism and an injection mechanism, thereby improving combustion efficiency and reducing the use of fossil fuels.

Benefits of technology

It effectively reduces carbon dioxide emissions while maintaining burner stability and the heat output of the object being heated, thus lowering operating costs.

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Abstract

The invention provides a combustion method using a fuel combustion device, a cement manufacturing method, and a cement firing facility provided with the fuel combustion device, and the fuel combustion device is provided with a fuel supply mechanism. The fuel supply mechanism is provided with a combustible powder supply mechanism for supplying combustible powder, a fuel gas supply mechanism for supplying fuel gas, and a non-combustible powder supply mechanism for supplying non-combustible powder. The present invention provides a combustion method using a fuel combustion device, a method for manufacturing cement, and a cement firing facility provided with the fuel combustion device, which can reduce the amount of fossil fuel (as fuel supplied to the fuel combustion device provided in various facilities such as the cement firing facility), and maintain the amount of radiant heat transfer from various burners, thereby reducing the amount of fossil fuel used as fuel supplied to the fuel combustion device provided in the various facilities such as the cement firing facility. As a result, the amount of heat transferred to a heated object such as a powder raw material of cement clinker is maintained so as to maintain a state suitable for firing the heated object, the amount of carbon dioxide discharged from the various devices is reduced, and the various devices can be operated at low cost.
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