1) homogeneous gas ignition temperature
均相着火温度
1.
The law of homogeneous gas ignition temperature(GIT) of pulverized coal particle clusters was investigated on a one-dimensional furnace under reburning conditions with low oxygen concentration.
结果表明:在低氧浓度下(<10%体积分数),煤粉均相着火呈现出反应不剧烈、不连续的特点;氧浓度对于煤粉均相着火温度的影响近似成指数变化关系,即氧浓度越低,均相着火温度越高;在一定范围内,氧浓度越低,煤粉均相着火延迟时间越长;煤粉均相着火温度随粒径减小而提高,近似成线性关系;不同氧浓度前提下,粒径对着火温度的影响作用不同。
2) homogeneous ignition
均相着火
1.
The model for homogeneous ignition of pulverized coal stream and the model for heterogeneous ignition(TET)of pulverized coal char were adopted to investigate the relationship be- tween denitration efficiency and ignition status of pulverized coal.
采用煤粉气流均相着火模型和炭粒非均相热力着火模型对煤粉再燃脱硝效率与其着火状态的相互作用进行了研究。
2.
The homogeneous ignition time can also be predicted.
煤粒均相着火规律的研究张军,傅维标(清华大学工程力学系北京100084)关键词均相着火,简化模型,预报1前言煤粉颗粒既能发生均相着火,又能发生非均相着火山。
3.
In this paper, based on the theoretical prediction method investigation of homogeneous ignition temperature of pulverized coal, the interaction between two extremely complicated and highly non-linear critical phenomena during pulverized coal reburning, i.
针对全耦合燃烧瞬态模型计算过程复杂、计算时间太长等缺点,本文开发了基于可燃气体着火极限理论的单颗粒煤粉非稳态均相着火简化模型,并采用全耦合瞬态模型对简化模型的计算精度进行了验证。
3) ignition temperature
着火温度
1.
KCl and NaCl on ignition temperature,combustion characteristics and area of heat liberation of high ash coal (HAC) is investigated by thermogrametric analysis.
用热重分析方法对比研究了Ca(NO_3)_2,KCl和NaCl对高灰分煤(HAC)着火温度、燃烧特性指数和放热面积的影响。
2.
The effect of different catalysts on the slime ignition temperature,burning completely temperature,and area of heating value are compared,The results show that catalysts can decrease the ignition temperature and burning completely temperature,increase the quantity of heat releasing during combustion,and the catalytic effect of the TF catalyst is better than KNO 3 catalyst.
对比研究了硝酸钾催化剂及 TF配方助燃催化剂对兖州煤泥着火温度、燃尽温度和放热面积的影响 。
3.
5% in a slurrying process, the ignition temperature of coal is reduced from 582℃ to 576℃ and the burnout efficiency of fixed carbon is promoted from 91.
用热重法研究了不同条件下电石渣的催化煤燃烧特性,发现电石渣对晋城煤的着火温度和固定碳燃尽率都具有一定的促进作用,而且随添加量的增加助燃作用增强。
4) igniting temperature
着火温度
1.
Optimized BP network model for predicting igniting temperature of pulverized-coal based on genetic algorithm;
基于遗传算法优化的煤粉着火温度BP神经网络预测模型
2.
Test study on electrio omagnetic type oilless ignition burner has been carried out under condition of maintaining same air velocity and same walltemperature, the influence of different pulverized coal concentration in air flow upon igniting temperature, igniting distance, igniting heat, and igniting mode being analysed, and the igniting mechanism being approached.
在保持相同风速与壁温的条件下对电磁感应无油点火燃烧器进行了试验研究 ,分析了不同煤粉气流浓度对着火温度、着火距离、着火热以及着火方式的影响 ,并对其着火机理进行了探讨。
3.
The igniting of 100 MW CFB boiler is researched,including the igniting condition,the calculation of stable ,igniting temperature,the analysis of igniting process.
结合100MWCFB锅炉的冷态点火,对CFB锅炉的点火要求进行了介绍,对不同煤种着火温度的判断提出了计算方法,对实际点火过程进行了分析。
5) igniting point
着火温度,着火点
6) F.T.(firing temperature)
着火点,着火温度
补充资料:着火温度
分子式:
CAS号:
性质:在规定的试验条件下,能引起材料持续燃烧的最低温度值。这是评价材料在什么温度下会发生燃烧的一个条件物理量。但该值并不说明是实际条件下的着火危险温度。测量时可按GB 4610-84进行。将试样粉碎成0.5~1.0mm的颗粒,对专用锭炉加热至预定温度,将试样放入锭炉试样管中,盖上带有喷嘴的盖,以点火器在喷口处运动,如在5min内没有连续5s的火焰,则将锭炉温度升高10℃重新放试样试验。直至出现5s的连续火焰。此时的温度即为着火温度。
CAS号:
性质:在规定的试验条件下,能引起材料持续燃烧的最低温度值。这是评价材料在什么温度下会发生燃烧的一个条件物理量。但该值并不说明是实际条件下的着火危险温度。测量时可按GB 4610-84进行。将试样粉碎成0.5~1.0mm的颗粒,对专用锭炉加热至预定温度,将试样放入锭炉试样管中,盖上带有喷嘴的盖,以点火器在喷口处运动,如在5min内没有连续5s的火焰,则将锭炉温度升高10℃重新放试样试验。直至出现5s的连续火焰。此时的温度即为着火温度。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条