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Energy Conservation in Sintering Ignition Process Based on Comprehensive Ignition Intensity

机译：基于综合点火强度的烧结点火过程节能

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Ignition is the start point of the sintering circuit, which plays an important role during the whole sintering process. The gas consumption accounts for 80% energy cost in the sintering ignition process. Therefore, gas flow reduction is of great significance to energy conservation in the sintering ignition process. In current study, the concept of comprehensive ignition intensity (CII) was introduced to determine the ignition effect. The experimental results indicate that the value of CII increases with higher air-fuel ratio at gas flow of 550 and 600 Nm~3/h. From another point of view, given constant CII value, lower gas flow can be achieved with higher air-fuel ratio. Based on the comprehensive ignition intensity, the ignition parameters were optimized and the gas flow was subsequently reduced. By increasing the air-fuel from 5.5 to 6.6, the gas flow is reduced from 450 Nm~3/h (8.1 GJ/h) to around 350 Nm~3/h (6.3 GJ/h).
机译：点火是烧结电路的起点，在整个烧结过程中起着重要作用。煤气消耗占烧结点火过程中的80％能源成本。因此，气流降低对烧结点火过程中的节能具有重要意义。在目前的研究中，引入了综合点火强度（CII）的概念来确定点火效应。实验结果表明，CII的值随着550和600nm〜3 / h的气流而较高的空燃比增加。从另一个角度来看，给定恒定的CII值，可以通过较高的空燃比来实现较低的气流。基于综合点火强度，优化点火参数，随后减少了气体流动。通过将空气燃料从5.5增加到6.6，气流从450nm〜3 / h（8.1gJ / h）减少到约350nm〜3 / h（6.3 gj / h）。

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