Internal heating type biomass gasification carbonizing system and carbonizing method thereof

Abstract

The invention relates to an internal heating type biomass gasification carbonizing system. The internal heating type biomass gasification carbonizing system comprises an air generator and a gasification furnace device, and the air generator and the gasification furnace device are connected through pipelines. During carbonizing, firstly biomass is delivered into a reaction chamber, and fills the whole gasification furnace reaction chamber; then the air flow velocity is adjusted, the biomass is evenly ignited, and the top of the furnace is covered; afterwards a peak value temperature of a k type thermocouple at the lowermost portion in a temperature controller is set to achieve the purpose of automatically switching off an air compressor and a solenoid valve power source, air supply is stopped, and the carbonizing reaction is completed. In the internal heating type biomass gasification carbonizing system, the heat of the biomass itself is adopted as the source of energy, the biomass gasification reaction is completed, and charcoal and other by-products are obtained. Aiming at different biomasses, by controlling the amount of air in the air generator and controlling parameters like the particle diameter, the moisture content and the catalyst of the biomass, the temperature and condition of the gasification reaction are controlled, and the high quality charcoal is obtained. The internal heating type biomass gasification carbonizing system is simple in structure.

Description

technical field [0001] The invention relates to an internal heating type biomass gasification charcoal production system and a charcoal production method, which are suitable for the preparation of biological charcoal. Background technique [0002] In recent years, the depletion of fossil fuels and the increasingly serious environmental pollution have always been the focus of attention. Biochar is quite stable in capturing carbon, which can "lock" carbon in the ground for hundreds of years and make the soil more fertile; it can also reduce the emission of greenhouse gases such as nitrogen dioxide and methane, and has positive effects on pollutants in water bodies. Adsorption. [0003] Biochar is a stable carbon-rich solid formed from biomass under anoxic or anaerobic conditions. Studies have shown that adding biochar to soil can improve soil fertilizer and promote crop growth. At the same time, the application of biochar to soil can inhibit the release of greenhouse gases, ...

AI Technical Summary

Problems solved by technology

However, the complex structure of the equipment increases the manufacturing cost invisibly, and the energy consumption of biochar preparation by external heating is high; "(201502321767.4), "A Closed Biochar Preparation Device" (201410087570.9), etc. Although the equipment structure adopted is small in size, but the heating cylinder or heating box is directly used to pyrolyze the biomass to produce carbon, which consumes a lot of energy

Moreover, it is difficult to better control the calorific value, yield and functional groups of the biochar produced by the existing domestic carbon production process.

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