A gas radiation calculation method and system in a methanol-coal mixed combustion process

CN122333726APending Publication Date: 2026-07-03SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP
Filing Date
2026-03-19
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing gas radiation calculation methods neglect the influence of methanol gas radiation during methanol-coal blending, leading to calculation deviations. This affects the simulation of the temperature field and heat transfer in the combustion system, reduces equipment operating efficiency, increases energy consumption, and may exacerbate pollutant emissions.

Method used

By incorporating methanol gas as an independent radiative component into the calculation system, establishing a benchmark database of the radiative characteristics of methanol-coal blended gas, and building a calculation model for the emissivity of the mixed gas, the radiative contribution of methanol gas can be accurately quantified, thereby improving the calculation accuracy.

Benefits of technology

This improves the calculation accuracy of gas radiation characteristics during methanol-coal blending, providing reliable theoretical support for system optimization design and operating parameter control, thereby enhancing equipment operating efficiency and reducing energy consumption.

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Abstract

This invention relates to the field of gas radiation calculation technology, providing a method and system for calculating gas radiation during methanol-coal blending. The method involves obtaining the monochromatic radiation absorption coefficients of each radiating gas component under basic operating parameters during the blending process, then using Planck's law to calculate the total emissivity of the mixed gas under different basic operating parameters during blending, establishing a benchmark database of gas radiation characteristics in methanol-coal blending; fitting the parameters of the mixed gas emissivity calculation model using the benchmark database; and calculating the gas radiation characteristics under any methanol-coal blending condition using a mixed gas emissivity calculation model with defined parameters, based on actual combustion conditions. This improves the accuracy of gas radiation characteristic calculation during blending and provides reliable theoretical support for the optimized design, operating parameter control, and energy saving and carbon reduction of methanol-coal blending systems.
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