测试结果表明,影响后燃现象的主要因素是给煤的粒度分布、煤挥发分含量及挥发分析出规律,同时与炉膛内总风量、一二次风量的配比有关。
The test shows that size distribution of feeding coal, volatile content and its release as well as the total air rate and primary air ratio will influence the post combustion in CFB boiler.
水平浓淡燃烧技术在一些电站锅炉上的应用,很好地解决了低挥发分煤的着火、稳燃和燃尽的问题。
The application of horizontal dense-dilute technology in some boilers has resolved many problems, such as the fire, self-supporting burning and burn-up problem of low volatile coal.
采用热天平在不同的升温速率下对18种煤的最终挥发分产量的变化规律进行了研究。
The varying law of the final volatile yield of 18 different coal types was studied at different heating rates by thermobalance.
煤基直接还原过程中,煤种对产品指标影响很大,特别是煤的反应性、灰分和挥发分含量对直接还原的影响较大。
In the process of coal based DR, the results of the product is greatly affected by the kind of coal, especially its reactivity, content of ash and content of volatile.
可燃成分是指煤中的挥发分和固定碳,它们是产生热量的来源,而其中不可燃成分为灰分和水分等。
The combustible composition implies the volatile and fixed carbon, which is the source of generating heat. The incombustible part contains water and dust, etc.
实验证明,根据这一原则设计的开缝纯体燃烧器对低挥发分煤粉的着火与火焰稳定具有较好的适应性。
Experiments show that a new-type pulverized coal burner with a slit bluff-body designed on the said principle is suitable for the ignition and flame stability of low volatile pulverized coal.
以三种高挥发分烟煤为原料,对固体热载体煤热解获得的气、油、焦产物产率、组成和性质进行了考察。
Three high volatile bituminous coals were used pyrolysis with solid heat carrier to investigate the product distribution and characteristic of gas, tar and char.
介绍了煤中水分、挥发分连续测定的方法,并与国家标准方法测定结果进行比较。
This article introduces a way to determinate the inherent moisture and volatile matter in coal continuously. It is simple and saves time, and possesses good repeatability and accuracy.
煤的粒径对挥发分氮析出作用明显,煤粉越细,挥发分氮转化率越高。
The more finely pulverized coal has more higher conversion rate of volatile nitrogen.
针对我国西南地区赋存的高挥发分煤的煤质特点,采用捣固炼焦工艺在实验室内进行了以生产较优质冶金焦为目标产品的配煤炼焦试验研究。
According to characteristics of high volatile coals in southwest China, a laboratory study on producing superior quality metallurgical coke with stamping process has been completed.
本文在不同的气相平均温度条件下,研究了气相温度脉动对不同粒径煤粉颗粒挥发分释放的影响。
The effects of gas temperature fluctuation on the devolatilization of pulverized coal particles with different diameters are explored under different time-averaged gas temperature.
这两种煤具有低灰、低硫、高挥发分、高发热量、燃点低、反应性好的特点。
Both them has lower ash and sulfur content, higher volatile matter and calorific value, lower ignition temperature and higher reactivity.
分析讨论了高挥发分、高反应性煤在窑内的行为及对还原过程的影响。
The behaviour of this kind of coal in the kiln was analysed and the effect of the coal behaviour on the reduction process was discussed.
成品球的金属化率与煤种性质关系密切,选用挥发分高的煤种对还原效果有利。
The metallization of finished pellets is close to the nature of the coal, it is beneficial effect on the reduction by use high volatile coal.
仪器对煤的水分、灰分和挥发分可以同时测定,也可以单独测定或作任意组合测定。
The instrument can analyze water content, ash and volatile components of coal samples simultaneously, respectively or in any combination.
实验表明:神华煤液化残渣的燃烧是分两步进行的,在低温段主要是神华煤液化残渣中挥发性的气体急剧析出,引起燃烧失重;
Test result showed that combustion of Shenhua coal liquefaction residuals proceeds in two stages a low and a high temperature stage.
煤热解过程中挥发分和气相逸出总硫之间的关系与形态硫的转化和迁移规律有关。
The relationship between volatile matter and total sulfur in gas phase of coal pyrolysis process was related to the rule of form sulfur transformation.
生物质燃烧过程主要集中在燃烧前期的挥发分燃烧阶段,煤燃烧过程主要集中在燃烧后期的固定碳燃烧阶段。
Biomass combustion process is mainly concentrated on the burning of volatile combustion in the early stage, while coal combustion process focused on the burning of fixed carbon in the later stage.
挥发分是煤的工业分析中最重要的一个指标,也是最难测准的一个项目。
The fugitive constituent is an important index in coal's industrial analysis, and also is an item that is hard to be measures accurately.
研究表明:煤的灰分、挥发分含量直接影响着煤体瓦斯压力、含量及煤与瓦斯的突出。
It is shown that the compressive stress, the content of the methane of the coal, and the bump of coal and methane are directly affected by the content of the ash and the volatile of the coal.
根据实验数据研究了煤粉颗粒的分形特征及其煤粉粒度分布分形维数与其固定碳及挥发分含量的关系,提出了基于考虑能量、环境、安全的煤粉燃烧锅炉的煤粉经济细度新概念。
Fractal dimension and its relation with fixed carbon and volatile have been studied. Bring up a new concept of economic granule of coal powder in coal fired thermal power plant.
在干馏段内,煤中的挥发分转变为小分子烃类而析出,集中回收或提高煤气热值。
In the dry distillation period inside, the volatile coal into small molecule hydrocarbons and exhalation, centralized recovery or improve gas calorific value.
澳大利亚煤(澳煤)是具有高挥发分、高热值、低灰分等特点的优质动力煤。
Australian coal is a high grade coal sort, boasting high volatile matter content, high calorific value, and low ash content.
在单段煤气炉中,煤入炉后骤然遇高温而迅速热分解,煤中的挥发分急速析出,会使煤块爆裂粉碎;
In a single paragraph, coal gas after charging high temperature and rapid thermal decomposition in abruptly, coal in the volatile rapid exhalation, can make cinderblocks blowout shattered;
挥发分:煤在限定条件下隔绝空气加热后,所得挥发性有机物质的产率。
Volatile: coal in a limited conditions after isolate air heating, which the production rate of volatile organics.
挥发分:煤在限定条件下隔绝空气加热后,所得挥发性有机物质的产率。
Volatile: coal in a limited conditions after isolate air heating, which the production rate of volatile organics.
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