Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
METHOD AND APPARATUS FOR TREATING COMBUSTIBLE SUBSTANCE
The invention aims to effectively use a combustible waste substance such as waste plastic, waste tires, chaff, wood shavings, PKS, RDF, or sludge while maintaining stable operation; aims to improve the combustion efficiency of a fossil fuel such as coal or coke; and furthermore aims to reduce the NOx concentration in a cement kiln exhaust gas. An apparatus 1 for treating a combustible substance, the apparatus comprising: a mixing device 3 that mixes a combustible substance C with a preheating raw material R2, which has a temperature of 600-900 DEG C inclusive and which is isolated from a pre-heater cyclone of a cement firing device 10, to form a gas; and a supply device 5 that supplies the gassified combustible substance and preheating raw material (mixed raw material M) from a kiln bottom 13a of the cement firing device to a calcining furnace 12 region. Moisture may be added during mixing of the combustible material with the preheating raw material to perform a water gassification reaction, and the resultant water gas and preheating raw material may be introduced from the kiln bottom of the cement firing device to the calcining furnace region.
在维持稳定运转的同时，有效利用废塑料、废轮胎、稻谷壳、木屑、PKS、RDF、污泥等可燃性废弃物，并且提高煤、焦炭等化石燃料的燃烧效率，进一步减少水泥窑排气中的NOx浓度。可燃物的处理装置(1)，其包括：将可燃物(C)与从水泥烧成装置(10)的预热器旋风器分取的600℃以上且900℃以下的预热原料(R2)混合并气化的混合装置(3)、和将气化了的可燃物和预热原料(混合原料(M))从水泥烧成装置的窑尾(13a)供给至预烧炉(12)的区域的供给装置(5)。可在将可燃物与预热原料混合时添加水分以进行水性气化反应，将生成的水性气体和预热原料从水泥烧成装置的窑尾导入预烧炉的区域。
METHOD AND APPARATUS FOR TREATING COMBUSTIBLE SUBSTANCE
The invention aims to effectively use a combustible waste substance such as waste plastic, waste tires, chaff, wood shavings, PKS, RDF, or sludge while maintaining stable operation; aims to improve the combustion efficiency of a fossil fuel such as coal or coke; and furthermore aims to reduce the NOx concentration in a cement kiln exhaust gas. An apparatus 1 for treating a combustible substance, the apparatus comprising: a mixing device 3 that mixes a combustible substance C with a preheating raw material R2, which has a temperature of 600-900 DEG C inclusive and which is isolated from a pre-heater cyclone of a cement firing device 10, to form a gas; and a supply device 5 that supplies the gassified combustible substance and preheating raw material (mixed raw material M) from a kiln bottom 13a of the cement firing device to a calcining furnace 12 region. Moisture may be added during mixing of the combustible material with the preheating raw material to perform a water gassification reaction, and the resultant water gas and preheating raw material may be introduced from the kiln bottom of the cement firing device to the calcining furnace region.
在维持稳定运转的同时，有效利用废塑料、废轮胎、稻谷壳、木屑、PKS、RDF、污泥等可燃性废弃物，并且提高煤、焦炭等化石燃料的燃烧效率，进一步减少水泥窑排气中的NOx浓度。可燃物的处理装置(1)，其包括：将可燃物(C)与从水泥烧成装置(10)的预热器旋风器分取的600℃以上且900℃以下的预热原料(R2)混合并气化的混合装置(3)、和将气化了的可燃物和预热原料(混合原料(M))从水泥烧成装置的窑尾(13a)供给至预烧炉(12)的区域的供给装置(5)。可在将可燃物与预热原料混合时添加水分以进行水性气化反应，将生成的水性气体和预热原料从水泥烧成装置的窑尾导入预烧炉的区域。
METHOD AND APPARATUS FOR TREATING COMBUSTIBLE SUBSTANCE
可燃物的处理方法和处理装置
YAMAMOTO YASUSHI (Autor:in)
06.04.2021
Patent
Elektronische Ressource
Chinesisch
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