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首页> 外文期刊>Fuel >Fouling tendency of ash resulting from burning mixtures of biofuels./ Part 1: Deposition rates
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Fouling tendency of ash resulting from burning mixtures of biofuels./ Part 1: Deposition rates

机译：燃烧生物燃料混合物引起的灰分结垢趋势./第1部分：沉积率

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Specified mixtures of peat with bark and peat with straw were burned in a lab-scale entrained flow reactor that simulates conditions in the superheater region of a conventional biomass-fired boiler. The deposition rates were recorded on an air-cooled probe that was inserted into the reactor at the outlet. For both mixtures, the deposition behaviour followed a non-linear pattern, which suggests that physico-chemical interaction between the types of ash has taken place. Peat seems to act as a cleansing agent in all mixtures with straw, while it acts as a cleansing agent in mixtures with bark only up to a share of 50 wt percent bark. Between 50 and 100 wt percent bark, it seems that peat adds to the deposition. The results indicate that it is possible to burn up to 30 wt percent bark (renewable biofuel and pulp mill waste) and up to 70 wt percent straw (renewable biofuel and agricultural waste) in mixtures with peat (CO_2-neutral fossil fuel) without encountering increased deposition rates.
机译：在实验室规模的气流床反应器中燃烧指定的泥炭与树皮和秸秆的泥炭混合物，该反应器模拟常规生物质锅炉的过热器区域的状况。在风冷探针上记录沉积速率，该探针在出口处插入反应器中。对于这两种混合物，沉积行为遵循非线性模式，这表明在灰分类型之间发生了物理化学相互作用。泥炭似乎在与秸秆的所有混合物中均充当清洁剂，而在与树皮的混合物中仅充当占树皮重量的50％的清洁剂。在50至100 wt％的树皮之间，泥炭似乎增加了沉积。结果表明，与泥炭（CO_2中性化石燃料）混合使用时，可以燃烧高达30 wt％的树皮（可再生生物燃料和制浆厂废物）和高达70 wt％的稻草（可再生生物燃料和农业废物）。增加沉积速率。

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