污水污泥气化

V. Kljus, S. V. Kljus, G. A. Chetverik, V. P. Demchina
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引用次数: 2

摘要

我们的工作和其他一些研究证明,污水污泥是一种可再生的生物燃料。但由于污泥的高湿度和灰分含量,其使用相当成问题。为了降低污泥初始质量的水分,建议添加干燥的细分散生物质(锯末、切碎的稻草)。为了进行研究,我们选择了基辅市Bortnichi活性污泥厂的长期储存污泥样品和利沃夫市净化设施的新鲜污泥来生产直径为6 mm的颗粒。根据“反向热波”技术,分两个阶段完成颗粒的气体转化。已经确定,焦炭灰渣在700°以上烧结矿产量中占53 - 63% С。研究确定了燃气的气体转化参数、组成和燃烧热。对燃料气和焦炭灰渣的使用提出了建议。因此,本文的研究发现了利用鼓风将污泥颗粒全部或部分转化为气体的可能性。圣经10,图5,表2。
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GASIFICATION OF SEWAGE SLUDGE
As evidenced by our works as well as a number of other researches, sewage sludge is a renewable biological fuel. But the sludge use is quite problematic due to its high humidity and ash content. To reduce the moisture of the initial mass of the sludge, it is recommended to add dry finely dispersed biomass (saw dust, chopped straw). To conduct the research, we selected the long-term storage sludge samples of Bortnichi Activate Sludge Plant of Kiev city and the fresh sludge of the Lvov city purification facilities to produce the granules of 6 mm in diameter. The gaseous conversion of the granules was completed in the two stages according to the «backward heat wave» technology. As it has been established, the coke ash residue accounting for 53–63 % of the output sinters at the temperature of above 700 °С. The research has identified the gaseous conversion parameters, the composition and the combustion heat of the fuel gas. The recommendations pertaining to use of the fuel gas and the coke ash residue have been designed. Accordingly, the research conducted hereunder has discovered the possibility of full and partial gaseous conversion of the sludge granules using the air blast. Bibl. 10, Fig. 5, Tab. 2.
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