2012年10月24日星期三

ceramic mugs How the combustion process of the fuel?


ceramic mugs cup

(1) the combustion of gaseous fuels is the most simple, is divided into three phases, namely: mixed with air - fire - burning.

(2) a liquid fuel combustion process is more complex, atomization - evaporation - mixed with air - fire - burning.

(3) solid fuel combustion process is more complex, divided into five stages, namely: generally divided into the following stages:

Dryness - dry distillation volatiles - mixed with air - fire - burning

Fixed carbon - in contact with air - fire - burning

From the burning point of view, the combustion of various fuels, can be into "the combustion of three basic components, namely:

① fixed carbon,

② CO and H2 mixture.

③ CmHn, various hydrocarbons. For example, gas combustion, can be regarded as a CO + H2 with CmHn the combustion of these two basic components. Heavy oil heated is evaporated to generate the gaseous CmHn part of the case of oxygen and combustion part may be thermally split into carbon particles with hydrogen. Therefore the heavy oil combustion, can be regarded as the combustion of the three basic components. When the coal is heated, the escape of volatiles, volatiles from CO, H2, by CmHn etc.. Composed of the remaining fixed carbon. Therefore, the combustion of coal can also be regarded as the combustion of three basic components.

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