介绍了小型燃煤工业炉窑改变燃料除天燃气和电以外，较为简单易行，见效快的途径是使用轻柴油及气化的管道液化石油气。

The paper introduces fuels substituting for coal. In addition to nature gas and electricity, light diesel and tubing liquefied petroleum gas is a convenient and efficient way.

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燃用最佳配比乳化油与燃用标准轻柴油相比：发动机的燃料经济性提高了21.3%，排放烟度降低了43.48%。

Burning the optimum emulsified diesel oil compared diesel oil, satisfactory performances of fuel are improved 21.3%, smoke reduced43.48%.

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但由于重质燃料油与轻柴油在燃油理化特性等方面具有明显差别，在缸内燃烧方面仍然存在许多问题。

Because of much difference in physical and chemical characteristic compared with light diesel oil, heavy diesel fuel makes many problems in fuel combustion on those engines.

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