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combustion condition     
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  燃烧工况
     By the biomass combustion experiment in circulating fluidizedbed,this paper discussed the effects of particle size,density and surface roughness of straws on combustion condition.
     通过秸秆在循环流化床内的燃烧实验,从秸秆颗粒度、密度以及表面粗糙度等几个方面观察其对燃烧工况的影响。
短句来源
     By means 0f sample combustion in testing table of coal pulverized combustion,the combustion condition of existing boiler is simulated,and the slaggingcan be exactly predicted. The criterions for reforming design of 200MW unit boiler burners in Tongliao power plant are provided.
     利用煤粉燃烧试验台试烧煤样方法模拟实际锅炉的燃烧工况,能准确预示实际锅炉的结渣情况,为通辽电厂200MW机组锅炉燃烧器改造设计提供依据。
短句来源
     Measurement and analysis are made on coal powder distribution of the former Czechoslovakia made 650 t/h boiler's primary air pipe and burner,and investigation for its influence on combustion condition is made.
     针对捷制 650 t/h锅炉一次风系统管路煤粉分配及浓稀相燃烧器的浓稀相煤粉分配进行了测量、分析 ,及对燃烧工况的影响进行了分析、研究
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     The 670 t/h boiler in Wuhan steel & Electricity Co. Ltd. turns lean coal and blast furnace gas mix, hence its height is higher thanthe ordinary 670 t/h boiler by about 5 m, and the combustion condition is unstable.
     武汉钢电股份有限公司锅炉由于燃用高炉煤气和煤粉2种燃料,导致炉膛比一般670t/h锅炉高约5m,燃烧工况不稳定。
短句来源
     The PC utility boiler furnace slagging reason and preventing methods are discussed. The slagging can be reduced by optimization structure design, improving openation program and combustion condition.
     主要分析电站燃煤锅炉炉膛结渣的成因及预防措施,通过结构优化设计,采取合理的运行操作方法来组织良好的燃烧工况,可避免发生炉膛结渣。
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  燃烧状况
     This paper analyzes data acquired on field boiler and sums up important conclusions of furnace micro-pressure diagnosis combustion condition.
     根据现场运行锅炉上诊断试验数据进行分析,获得一些炉膛微压信号变化与燃烧状况之间的重要结论,为进一步研究炉膛负压信号燃烧诊断提供了理论和实践基础。
短句来源
     Combustion condition analysis system of vehicle engine with multi-cylinder under cylinder pressure monitoring
     气缸压力监测下车用多缸发动机燃烧状况分析系统
短句来源
     In order to improve efficiency of vehicle engine,a combustion condition analysis system of vehicle engine with multi-cylinder was developed using Visual Basic6.0 software under cylinder pressure monitoring.
     为了提高车用多缸发动机的运行效率,在气缸压力监测条件下,采用Visual Basic6.0软件研究开发了多缸车用发动机燃烧状况分析系统。
短句来源
     It makes the analysis on the effect of tuyere position of rotary on combustion condition in the furnace and anode copper quality and defines reasonable range of anode furnace tuyere. The practice proves the effect is obvious.
     分析了回转式阳极炉风口位置对炉内燃烧状况和阳极铜质量的影响,确定了阳极炉风口位置的合理范围,实践证明效果显著。
短句来源
     Experimental Research of Combustion Condition Using Micropressure Diagnosis
     应用微压探测诊断燃烧状况的试验研究
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  燃烧条件
     Decomposition Characteristics of Pyrite(FeS_2) Particle under Combustion Condition
     燃烧条件下硫铁矿(FeS_2)颗粒的分解特性
短句来源
     A common program for the calculation of the boiler's thermal balance and thermal efficiency in different combustion condition by using Visual Basic language program was offered in this paper.
     本文利用Visual Basic程序设计语言编制了不同燃烧条件下,锅炉的热平衡及热效率计算通用程序。
     But the generative process of NO_X is comparatively complex. The control of NO_X adopted changing combustion condition; that is the low NO_X combustion technology.
     而NO_x生成过程相对复杂,对NO_x的控制方法主要是改变燃烧条件,即低NO_x燃烧技术。
短句来源
     The contents of rare earth elements(REE)of 29samples in lignite,fatty coal,anthracite and their fly and bottom ashes in different combustion condition are determined by ICP-MS method,and geochemical feature of REE are analyzed.
     采用ICP-MS法测试了褐煤、肥煤和无烟煤以及在不同燃烧条件下获取的飞灰、底灰等29个样品的稀土元素含量; 分析了稀土元素地球化学特征。
短句来源
     The results show th at different coals have different contents of REE,and the fly and bottom ashes produced in different combustion condition at the same coal rank have different contents of REE,too.
     结果表明,不同煤种的稀土元素含量不同,相同煤种在不同燃烧条件下获取的飞灰、底灰中的稀土元素含量也不同;
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  燃烧状态
     An effective method is proposed for analyzing through pressure signals the flame gasified combustion condition of an entrained flow gasifier. Under this method a scalar decomposition approach has been utilized to analyze furnace pressure time-domain signals.
     提出了一种通过压力信号分析气流床气化炉火焰气化燃烧状态的有效方法,该方法运用尺度分解法分析炉膛压力时域信号。
短句来源
     It was found that combustion stability was decreased with |K| increased. In this paper, when value |K| is larger than 0.6 the combustion condition is in ignition and extinction process, and value |K| between 0.3 and 0.6 indicates the combustion condition unstable and value |K| smaller than 0.15 shows that the combustion condition is stable.
     研究发现,随K值的增大燃烧状态趋于不稳定,对于本实验炉当|K|>0.6时为燃烧状态处于的熄火和点火剧变过程,而|K|∈[0.3,0.6)则燃烧处于不稳定状态,只有|K|<0.15时燃烧状态才基本稳定。
短句来源
     For most calciners, their index of combustion condition Fb all are lower than -2.3, It means that the pulverized coal combustion in calciners is mostly decided by reactivity of coal.
     对于大多数分解炉来说,其煤粉的燃烧状态指数Fb均小于-2.3,属于动力控制区,即分解炉中煤粉燃烧的状态主要取决于煤的反应活性。
短句来源
     Abstract:A experimental research was performed for diagnosis combustion condition by means of pressure sensor.
     利用压力传感器进行了燃烧状态诊断的试验研究。
短句来源
     According to experimental results, a simplified analysis method dependence on linear inclination slope calculated of signal regression was proposed for pressure fluctuate normalized singals at different combustion condition and a useful classified combustion condition could be obtained from |K|.
     提出了一种通过压力脉动信号分析燃烧状态的简单有效方法,该方法对归一化后压力脉动信号作线性回归并计算回归直线斜率K,根据K值对燃烧状态进行分类判断。
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  combustion condition
A study of nitrous oxide decomposition over calcium oxide in combustion condition
      
The initial and final attrition rates during combustion were higher than those in the non-combustion condition, because the heat and thermal shock were produced to increase attrition rate during incineration.
      
An abrupt transition was observed between a condition of "passivation," in which a thin film of SiO2 formed at low temperatures, and a steady-state "combustion" condition at high temperatures.
      
The improved magnetic properties are accounted for by the enhanced iron oxidation at a given combustion condition.
      
The mathematical models of turbulent jet flame under the highly preheated air combustion condition are conducted in the paper.
      
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With the simulation of combustion condition in the raceway in front of a tuyere, the burning rate of pulverized coal injected into a blast furnace has been experimentally and theoretically investigated. A mathematical model based on some assumptions and analyses is then established and proved basically real by comparing the results measured with those calculated by computer. Some modifications are made to the model for no other reason but the difference between actuality and model, and a mathematical model...

With the simulation of combustion condition in the raceway in front of a tuyere, the burning rate of pulverized coal injected into a blast furnace has been experimentally and theoretically investigated. A mathematical model based on some assumptions and analyses is then established and proved basically real by comparing the results measured with those calculated by computer. Some modifications are made to the model for no other reason but the difference between actuality and model, and a mathematical model describing the behavior of the burning rate of pulverized coal injected during combustion process is therefore obtained to adapt itself to the actual injection conditions in blast furnace. It is found that in case of uniformly stable injection an appropriate amount of which the pulverized coal injects can be up to 140-160 kg per tonne molten iron.

本文模仿高炉风口前燃烧条件,用试验与计算方法,对喷吹煤粉燃烧速度进行研究,按假设条件建立了喷吹煤粉燃烧速度的数学模型,试验与计算结果基本接近,按高炉风口燃烧特性,将模型作了修正,得出了适合高炉喷吹条件下煤粉燃烧速度变化规律的数学模型,在均匀稳定喷吹情况下,高炉适宜的喷煤量应为140—160kg/吨铁。

A SEM investigation on the microtexture of pulverized coal particles formed during combustion has been carried out. Choosing proper operation condition and approach to preparation of ples, distinct pictures of particles have been obtained. It is important for deeply understanding the mechanism of pulverized coal combustion, looking for the way to improve combustion efficiency and setting up a proper physical model or combustion. The fly-ash formed during burning some typical type of coal, such as bituminous,...

A SEM investigation on the microtexture of pulverized coal particles formed during combustion has been carried out. Choosing proper operation condition and approach to preparation of ples, distinct pictures of particles have been obtained. It is important for deeply understanding the mechanism of pulverized coal combustion, looking for the way to improve combustion efficiency and setting up a proper physical model or combustion. The fly-ash formed during burning some typical type of coal, such as bituminous, low grade bituminous and anthracite, have been examined using SEM. Results of investigation and pictures of typical cenospheres are introduced in this paper. It is noted that the shape and the texture of particles are different with various coal type and combustion condition, burn-out of pulverized coal can be better approached when more hollow porous cenospheres and bone-black loosen cenospheres are formed.

采用扫描电子显微镜对粉煤燃烧时粒子的微结构进行研究,选取恰当的制样方法和合理的操作条件,获取清晰的粒子图象,对深入认识粉煤燃烧的机理,寻求改善燃烧效率的途径,建立合理的物理模型有着重要的意义。本文介绍了对烟煤,劣质烟煤和无烟煤等几种典型煤种燃烧后生成的飞灰进行电镜检查的结果,示出了典型的煤胞形态图象,指出由于煤种及燃烧工况不同,形成的粒子形态也各不相同,多孔空心煤胞及骨质状疏松结构煤胞愈多,则燃尽程度愈好。

The aerodynamic and fluidization characteristics and combustion condition improvement of an air distributor with guide plates in a fluidized bed boiler are discussed. Test data show that the functions of the guide plates are as follows: (a) decreasing the local pressure doop in the air button region; (b) increasing the circulation ratio of the air stream near the distributor region; (c) improving the fluidization quality and coal combustion efficiency; (d) lowering the fluidization number (v/vmf)...

The aerodynamic and fluidization characteristics and combustion condition improvement of an air distributor with guide plates in a fluidized bed boiler are discussed. Test data show that the functions of the guide plates are as follows: (a) decreasing the local pressure doop in the air button region; (b) increasing the circulation ratio of the air stream near the distributor region; (c) improving the fluidization quality and coal combustion efficiency; (d) lowering the fluidization number (v/vmf) with good fluidization condition.

本文对导流板布风装置气动力特性及其对燃烧工况的改善进行了研究.结果表明,导流板能降低风帽区阻力损失,使近风帽区气流速度衰减变慢,促进床内气流循环,提高流化质量,降低良好沸腾流化数(u/u_(mf)),改善燃烧效率.

 
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