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廠家解讀生物質熱風爐的熄滅過程

作者:admin 日期:2018-12-1 8:35:45 人氣:65

  

由于生物質熱風爐燃料特性與化石燃料不同,從而招致了生物質燃料在熄滅過程中的熄滅機理,反響速度以及熄滅產物的成分與化石燃料相比也都存在較大差異,表現出不同于化石燃料的熄滅特性。生物質熱風爐生物質燃料的熄滅過程主要分為揮發分的析出和熄滅,生物質熱風爐焦炭的熄滅和燃盡兩個獨立階段,前者約占熄滅時間的10%,后者則占90%,詳細熄滅過程如下:生物質熱風爐燃料送入熄滅室后,在高溫熱量作用下,生物質熱風爐燃料被加熱和析出水分。

Because the fuel characteristics of biomass hot blast stove are different from those of fossil fuels, the extinction mechanism of biomass fuels in the extinction process is induced. The reaction speed and the composition of extinction products are also quite different from those of fossil fuels, showing different extinction characteristics from fossil fuels. The extinguishing process of biomass fuel in biomass hot blast stove is mainly divided into two independent stages: volatile matter precipitation and extinguishing, coke extinguishing and burnout of biomass hot blast stove. The former accounts for about 10% of the extinguishing time, while the latter accounts for 90%. The detailed extinguishing process is as follows: after the biomass hot blast stove fuel is fed into the extinguishing chamber, it acts on high temperature heat. Under this condition, the biomass hot blast stove fuel is heated and water is released.

隨后,生物質熱風爐燃料由于溫度的繼續增高,約250攝氏度左右,熱合成開端,析出揮發分,并構成焦炭。生物質熱風爐氣態的揮發分和四周高溫空氣摻混首先被引燃而熄滅。普通狀況下,生物質熱風爐焦炭被揮發分包圍著,熄滅室中氧氣不易浸透到焦炭外表,只要當揮發分的熄滅快要終了時,生物質熱風爐焦炭及其四周溫度已很高,空氣中的氧氣也有可能接觸到焦炭外表,生物質熱風爐焦炭開端熄滅,并不時產生灰燼。

Subsequently, as the temperature of biomass hot blast stove fuel continues to rise, about 250 degrees Celsius, thermal synthesis began, the volatile matter precipitated, and formed coke. The mixture of gaseous volatile matter and high temperature air around biomass hot blast stove was first ignited and extinguished. Under normal conditions, the coke of biomass hot blast stove is surrounded by volatile matter. Oxygen in quenching chamber is not easy to soak into the surface of coke. As long as the extinction of volatile matter is near the end, the temperature of coke and its surroundings in biomass hot blast stove is very high. Oxygen in the air may also touch the surface of coke. The coke of biomass hot blast stove begins. Extinguish, and sometimes produce ashes. 


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