发热量

In order to reduce the erosion of water-wall,large furnace sectional area should be selected by boiler works,and the power plant should select the coal caloricity close to the designed for use.

对于循环流化床锅炉，炉膛截面积选择的大小影响炉内循环物料的速度，即水冷壁的磨损速度，燃料的发热量影响炉内循环物料的浓度。

According to the principle of energy conversion and conservation in fuel combustion, the study is made to automatically control boiler combustion and to supervise boiler thermal efficiency real time on line. Representing fuel caloricity signal and on line thermal efficiency signal with the flame parameter, the combustion automatic control system has been successfully put into operation.

引 言在电力工业生产中，发电厂锅炉消耗大量的燃料，如何提高锅炉运行效率以节约能源，是人们长期力求解决的课题，从燃料燃烧的能量转换和守恒原理出发，对锅炉燃烧自动控制系统和锅炉热效率在线实时监测进行了一系列的探讨，找到了一个用火焰参数代表燃料发热量的能量信号和在线热效率信号。

Circulating fluidized bed boiler ; water wall worn-out ; furnace sectional area ; gas velocity ; coal burning caloricity

循环流化床；水冷壁磨损；炉膛截面积；烟气速度；燃煤发热量

The meaning of calorific value measurement is presented and how to develop software of system of calorific value measurement with VB is discussed.

阐述了煤的发热量测量的意义，介绍了用VB开发热值测量系统软件的思路和实现

At the same carbonization temperature and holding time conditions, different raw materials charcoal heat is not the same.

在同样的炭化温度和保温时间条件下，不同原材料的木炭发热量也不相同。

Heat fat charcoal and carbonization temperature, holding time is directly related.

木炭的发热量与炭化温度、保温时间有直接的关系。

Xiucheng Coal Mine:Coal mining hit area is 16 sqm,coal mining reserves is 6 million tons,it is a kind of gas rich coal with 6580 c/g.and it belongs to a kind of industrial coak.

休城煤矿：矿井面积16平方公里，可采储量6432万吨，煤制裁为气肥煤，发热量为6580卡/克，属优质配焦工业煤。

Per the exploration of the field, the Coal Calorie is between 5,000 – 6,000 Kcal/kg.

通过实地勘探，发热量在从5000多到6000多不等。

This text pressed an on trial pedestal each zero partses to carry on a detailed calculation and the school pit to the liquid in introducing the background of the topic research and the foundation of the meaning:Pass to draw up towards experimenting the pedestal system principle diagram, explain the work principle of the system and manipulate a method;Pass the calculation to the system pressure,discharge, choose the oil pump,pipeline and valve door;Pass the calculation to deliver the calories to system, make sure the physical volume of the fuel tank and choose heating apparatus with spread a hot machine;Pass to spread a design of move the system to the pump station, choose to keep the strength that the gear cone wheel gear spread to move to combine a school to check stalk.

本文在介绍课题研究的背景及意义的基础上，对液压试验台各零部件进行了详细的计算和校核：通过对试验台系统原理图的拟订，说明了系统的工作原理和操纵方法；通过对系统压力、流量的计算，选择了油泵、油管和阀门；通过对系统发热量的计算，确定了油箱的体积并选择了加热器和散热器；通过对泵站传动系统的设计，选择了直齿圆锥齿轮传动并校核了轴的强度。

This text pressed an on trial pedestal each zero partses to carryon a detailed calculation and the school pit to the liquid inintroducing the background of the topic research and the foundationof the meaning:Pass to draw up towards experimenting the pedestalsystem principle diagram, explain the work principle of the systemand manipulate a method;Pass the calculation to the systempressure,discharge, choose the oil pump,pipeline and valvedoor;Pass the calculation to deliver the calories to system, makesure the physical volume of the fuel tank and choose heatingapparatus with spread a hot machine;Pass to spread a design of movethe system to the pump station, choose to keep the strength thatthe gear cone wheel gear spread to move to combine a school tocheck stalk.

本文在介绍课题研究的背景及意义的基础上，对液压试验台各零部件进行了详细的计算和校核：通过对试验台系统原理图的拟订，说明了系统的工作原理和操纵方法；通过对系统压力、流量的计算，选择了油泵、油管和阀门；通过对系统发热量的计算，确定了油箱的体积并选择了加热器和散热器；通过对泵站传动系统的设计，选择了直齿圆锥齿轮传动并校核了轴的强度。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。