It can be seen from the characteristics of petroleum coke that it has low volatile components, high calorific value and low ash, which makes the petroleum coke fire, combustion control and burning have certain difficulties. In terms of characteristics such as ignition, burning and burning of petroleum coke, petroleum coke is not a fuel that is difficult to catch fire, and the burning temperature is not high. The combustion performance is between bituminous coal and anthracite; the ignition temperature of petroleum coke is generally around 540 °C. In fact, the burning of petroleum coke is a very complicated process, which can be roughly divided into three stages: fuel heating and water evaporation, volatilization analysis and combustion, and coke combustion. The volatilization in petroleum coke analyzes, burns and releases heat, which plays a key role in petroleum coke combustion, because the precipitation of volatiles changes the pore structure of fuel particles and improves the combustion reaction performance of coke; volatile combustion The release of heat is conducive to further ignition of the fuel. The petroleum coke has low volatile content, and at the same time, due to the convection heat dissipation of the gas stream and the scouring of the inert bed material, the ignition of the petroleum coke is far less easy than the bituminous coal, and the flame is also short when burning; but its calorific value is higher than the standard coal calorific value. Immediately after burning, it releases a huge amount of heat that is difficult to control.
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August 29, 2021