Biomass gasifier control method

Abstract

The invention discloses a biomass gasifier control method and relates to the field of automatic control. The device of the application mainly comprises: a downdraft biomass gasification furnace, a gasification agent inlet valve, a plurality of temperature sensors arranged around the hearth, a roots blower, a temperature sensor at ever-burning fire and a data acquisition camera. The main emphasis is on that: the camera and the temperature sensors are combined to be applied to detection of calorific value information of gas-producing combustible gas, a calorific value coefficient concept is introduced, and during temperature loop control, a fuzzy-PID composite controller with Smith estimation is adopted to enable the temperature in the downdraft gasifier to be in the optimal gasification state.

Description

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AI Technical Summary

Benefits of technology

This technology improves the stability and efficiency of an airborne pyrolysis process by controlling temperatures accurately during startup or after shutdowns. Additionally, this technology helps analyze the calorie values produced from different types of materials used on board at various stages throughout its life cycle.

Problems solved by technology

This patented technical problem addressed by this patents relates to improving the quality and quantity of fuel produced from biological sources like plants or animals without causing negative effects on their ecosystem. Current methods require significant effort for maintenance and adjustment over time due to changes caused during operation that affect both the yield and purity levels of these products.

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