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1)  combustibles in fly ash
飞灰可燃物
1.
In monitoring the combusting process of boiler, we obtained measures of reducing combustibles in fly ash and ash to improve efficiency of boiler by detailed detailedly analysing the ratio of the first and second wind speed, fineness of pulverized coal, coal type and so on.
通过对锅炉内燃烧过程的监控,对一、二次风率配比、煤粉细度、煤种变化等影响因素进行了详细分析,提出了降低锅炉飞灰可燃物、灰渣可燃物超标问题的措施及方法,提高锅炉效率。
2)  reducing the unburnt carbon in fly ash
降低飞灰可燃物
3)  effect on the unburnt carbon in fly ash
飞灰可燃物影响因素
4)  combustible content in ash/slag
灰渣可燃物
5)  fly ash
燃煤飞灰
1.
Study on distribution characteristic of element in fly ash particles during coal combustion;
燃煤飞灰颗粒物中元素分布规律的研究
2.
Through the simulation experimentation, the Hg adsorption characteristics of fly ash in flue gas were studied carefully in laboratory.
在实验室模拟研究了燃煤飞灰颗粒组分对燃煤烟道气中气相Hg的吸附脱除特性 。
3.
This paper presented model and experimental studies on the influence of frequency on acoustic agglomeration of coal-fired fly ash.
计算结果还表明,在声波作用下,燃煤飞灰气溶胶总浓度随时间呈指数衰减规律降低。
6)  wood combustion fly ash
燃木飞灰
1.
By means of deoxyribose oxidation assay the capability of the biological oxidation generated by fly ashes,including five coalfired fly ashes and one wood combustion fly ash,as well as effects of external chelators such as diethylenetriaminepentacetic acid (DTPA),nitrolotriacetate (NTA),ethylenediamine tetraacetic acid (EDTA) and citric acid (CIT),have been studied.
利用脱氧核糖氧化法考察了飞灰颗粒物,包括5种燃煤飞灰及一种燃木飞灰,生物氧化能力以及外加螯合剂的影响。
补充资料:飞灰
分子式:
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性质:又称粉煤灰(coal ash)。由燃料(主要是煤)燃烧过程中排出的微小灰粒。其粒径一般在1~100μm之间。飞灰是煤粉在高温(1300~1500℃)中燃烧、冷却而形成。大部分呈球状,表面光滑,微孔较小。部分颗粒因熔融时粘连,表面粗糙、棱角多呈蜂窝状组合粒子。飞灰主要物相是玻璃体,占50%~80%;所含晶体矿物有莫来石、α-石英、方解石、钙长石、硅酸钙、赤铁矿和磁铁矿等,还有少量未燃的碳。飞灰的排放量与燃煤中的灰分含量有关。我国燃烧1t煤约产生250~300kg粉煤灰,大量粉煤灰进入大气会造成污染。目前主要用除尘器进行治理。粉煤灰主要含二氧化硅(SiO2)、氧化铝(Al2O3)和氧化铁(Fe2O3)等,已广泛用于制水泥及制各种轻质建材。此外还可利用粉煤灰作漂珠及作为肥料和微量复合肥料。在工业方面可从粉煤灰中回收铁、碳、铜、锗和钪等多种物质。

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