Combustible material plasma high-temperature gasification technique and equipment thereof

Abstract

The invention relates to a combustible material plasma high-temperature gasification technique and equipment thereof. The technique comprises the following steps: firstly, laying a coke bed layer at the bottom part of a gasification furnace; secondly, putting the combustible material, a fluxing agent and an extra coke on the coke bed layer continuously to form a fuel bed layer; then injecting a primary oxidizing agent, starting a first-stage plasma torch to generate high temperature and high heat, forming a fusing zone at the joint of the coke bed layer and the fuel bed layer, forming a gasifying zone above the fusion zone, gasifying the combustible material to generate crude synthesis gas, and discharging the generated fused slag from the bottom part of the gasification furnace; then introducing the crude synthesis gas into a gas-solid separator for removing impurities to obtain purified synthesis gas; and finally introducing the purified synthesis gas into a detarrer, injecting a secondary oxidizing agent, starting a second-stage plasma torch to generate high temperature and high heat, cracking residual tar therein to obtain fined synthesis gas. The equipment mainly comprises three parts, namely the gasification furnace, the gas-solid separator and the detarrer. The fuel has good adaptability, high gasification efficiency, few tar content in the synthesis gas and high activeingredient.

Description

technical field

[0001] The invention relates to a technology for high-temperature gasification treatment of combustible materials, in particular to a combustible material plasma high-temperature gasification process and its equipment. technical background

[0002] With the natural growth of the population and the continuous development of the economy, the conventional high-quality fossil fuels as the main source of energy are rapidly decreasing, resulting in long-term and huge energy demand and supply pressure in my country and the world. Facing the general trend of global integration, my country's high energy consumption and low energy efficiency economy will face the severe test of how to survive and develop in the international competition. Regarding the utilization of combustible raw materials such as coal, biomass, and municipal solid waste (MSW), energy conservation and consumption reduction have become one of the most important and effective means to promote the susta...

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