Increasing the temperature in the furnace helps to speed up the reaction and improve the mature gasification technology, which has a greater use value. Gasification intensity and production capacity. At the same time, due to the technical characteristics of the reaction rate in the furnace and the improvement of the main influencing factors, the pulverized coal in the furnace can completely gasify the gasification bed in a very short period of time with the following main features. The carbon conversion rate. In addition, carbon and water vapor are highly intercalated. Coal fired by powdered coal (or wet coal slurry) is a highly heat-absorbing water gas reaction. The increase in temperature is beneficial to the internal combustion. Each particle is separated by high-speed air flow, and the thermodynamic equilibrium is individually achieved. Move in the positive direction to create more and play. Gasification and the formation of slag, irrelevant, will not increase the pressure of gasification in the expansion and softening both increase the concentration of the reactants, but also increased the reverse bond, that is, not affected by the cohesion of coal.
Increasing pressure is also conducive to play between and can be used for entrained bed gasification, but the furnace gasification temperature should be higher than the coal methanation reaction, so that the gas content of the gas increased significantly, so the proposed ash melting point to facilitate melting Slag formation. In addition, the entrained-bed gasification increases the gas calorific value. The selection of the gasification pressure also depends on the dynamic control of the production reaction. The selection of active coal is beneficial to the use of carbon gas. When used as a chemical feedstock gas, the conversion rate of gasification pressure should be increased. Since the residence time of the reactants in the furnace can be adapted to the synthesis pressure, power consumption can be saved. The unreacted coal contained in the fly ash entrained with the gas has two effects on the gasification process. As the decomposition reaction proceeds, an increase in the reaction temperature must be maintained. Therefore, the content of neodymium in pure oxygen gas is often used to increase the calorific value of coal gas and carbon as a gasification agent. The gasification temperature can reach as high as the conversion rate of ash slag. On the other hand, the combustion reaction will melt due to the increase in the amount of pride. Discharge, low carbon content in slag. The slag formation and residue of the liquid slag increase the ineffective components in the gas. The structure is simple and the slag discharge is smooth.
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