Investigation into Thermal Efficiency of Boiler Burning Bituminous Coal Instead of Meager Coal 锅炉燃烧由贫煤改烟煤的热效率分析
A new method of on-line calculation of heat efficiency of boiler was proposed based on several improvements in calculating heat loss. 开发了实用的锅炉效率在线计算模型,实现了计算机的标准化编程。
On-line calculation and software development of heat efficiency of boiler unit based on C#. net 基于C.net的锅炉热效率在线计算和软件开发
When the pulverized coal blended with petroleum coke is burned in the boiler, the combustion characteristics would becomecomplicate, even the combustion efficiency of boiler would decline. 将石油焦与烟煤掺混在煤粉锅炉里进行燃烧,使燃烧特性变得复杂,甚至使锅炉燃烧效率下降。
The concentration distribution of pulverized coal in primary air pipe is very important for advancing efficiency of boiler. 掌握煤粉锅炉一次风管中煤粉浓度的分布情况,对提高锅炉效率有很重要的意义。
And the efficiency of boiler with two mills running was higher than that with three mills running. 2台磨煤机运行时的锅炉效率比3台磨煤机运行时高。
The circulation fluid bed boiler is the new generation of coal-burning fluid bed boiler which the 80's develop, has the efficiency of boiler high, the burning effect is good, the burning stabilization low ( pollution) characteristic, internationally is called the clean burning technology. 循环流化床锅炉是八十年代发展起来的新一代燃煤流化床锅炉,具有锅炉效率高、燃烧效果好,燃烧稳定低污染的特点,在国际上被称为清洁燃烧技术。
The effective use of energy in an industrial plant heating system depends on the efficiency of boiler, heat consuming equipment as well as heat transmission in the system. 工厂供热系统的能源利用率取决于锅炉热效率、用热设备和管网输送热效率的高低。
Process of combustion is a key factor which is relative to boiler production capacity and reliability of production process, and determines economical efficiency of boiler operation. 炉内燃烧换热过程的好坏,不仅直接关系到锅炉的生产能力和生产过程的可靠性,而且在很大程度上决定了锅炉运行的经济性。
The test of combustion has been carried out in chain boiler. The results of test indicated that burning industrial boiler particle clean coal can reduce the emission of total partical and SO2, increase the heat efficiency of boiler and improve the atmosphere environment quality. 在工业链条炉上进行了燃烧试验,结果表明:燃烧复合颗粒清洁煤可以降低烟尘和SO2的排放,提高锅炉热效率,改善大气环境质量。
The practice shows that, the mentioned monitoring system operates stably, has high reliability and improves the efficiency of boiler, suitable to be disseminated and applied in the newly built power plants and the retrofitting projects of existing power plants. 实践表明,该系统运行稳定,可靠性高,提高了锅炉效率,适合在新建电厂和技改项目工程中推广应用。
This thesis studied the relationship between boiler exit flue gas temperature and the efficiency of boiler and electrostatic precipitator. The conclusion is given that the boiler exit flue gas temperature by deeply cooled down to 100~ 110 ℃ will greatly saving energy and improve the entironment. 本文通过电站锅炉排烟温度对锅炉效率和电除尘器除尘效率影响的分析,得出排烟温度深度冷却至100~110℃不仅可节约能源,还能大幅度改善生态环境的结论。
Moreover, the introduction of an assistant parameter, gross radiate energy in furnace, improves the optimization efficiency of this intelligent control system, it improve the efficiency of boiler combustion. 同时由于引入炉膛总辐射能作为辅助调节变量,大大提高了自寻优所得风/煤比的可靠性,更有效的确保锅炉的燃烧效率。
Practice proved that the change in the overheater end connection from cross arrangement to parallel arrangement can increase the air preheater inlet fume temperature, principal steam temperature and reheated steam temperature, and reduce the thermal deviation of overheater, and improve the efficiency of boiler. 实践证明,通过调整对流受热面面积,将过热器末段间连接交叉布置改为平行布置,能够提高空气预热器入口烟温、主汽温和再热汽温,降低过热器热偏差,提高锅炉效率。
Based on the chemical and mathematic analysis of the chemical reacting process of the limestone and injection in the furnace, the equation is obtained to calculate the influence of the chemical reaction heat and increment of fly ash and flue gas on the thermal efficiency of boiler. 根据炉内喷钙脱硫的化学反应过程,经过化学分析和数学推导,得出了锅炉采用炉内喷钙脱硫后化学反应热、飞灰量和烟气量的增加对锅炉热效率影响的计算公式。
Influence of peak-load operation of units on safety and economical efficiency of boiler equipments 机组顶峰运行对锅炉设备安全性及经济性的影响
Boiler ( 670 t/ h) in Yangzhou Power Generation Ltd. Com. has the following problems for a long time, high combustible matters in the ash slag and low efficiency of boiler. 扬州发电有限公司4号670t/h锅炉,长期存在灰渣可燃物含量偏高、锅炉效率偏低的问题。
This new combustor has been proved to be of stability under lower load and adaptability for different fuel coal, actually raises efficiency of boiler. 这种新型燃烧器具有低负荷稳燃及煤质适应范围广的优点,且提高了锅炉效率。
This paper, based on analyzing the relation between the carbon content in fly ash and the thermal efficiency of boiler, states how to working properly out the index of checking the carbon content in fly ash according to the variety of coal grades. 通过对飞灰含碳量与锅炉热效率之间关系的分析,说明根据煤质变化情况合理制订飞灰含碳量考核指标的原则。
With high oil consumption and low thermal efficiency of boiler truck, a new type burner nozzle is brought forward based on the analysis study of the burning mechanism of boiler. 针对锅炉车燃烧时耗油量大、锅炉热效率低等特点,从锅炉的燃烧机理上进行了分析和研究,提出了一种新型燃烧器。
Factors Influencing High Efficient Operation of Electrical Precipitator The fly ash carbon as an important economic and technical factor affects the efficiency of boiler, electrical precipitator 、 the integrated use of ash and the safety of the heated face. 飞灰含碳量作为燃煤锅炉的一项主要运行经济指标和技术指标,不仅会直接影响锅炉的效率、静电除尘器的效率和飞灰的综合利用,而且还会影响锅炉受热面的安全。
The high exhaust gas temperature can decrease the efficiency of boiler and add the net coal consumption rate. 锅炉排烟温度过高是引起锅炉效率降低、供电煤耗升高的重要原因。
In order to save energy and reduce the ejection of exhaust gas, it is necessary to improve combustion efficiency of boiler. Circulating Fluidized bed boiler is just developed in this situation. 为了达到节能减排的目的,需要提高锅炉的燃烧效率和减少废物的排放,循环流化床锅炉正是在这样的背景下发展起来的。
After transformation the thermal efficiency of boiler is 90.439%, which improves 1.047% compared with before transformation. 改后锅炉热效率为90.439%,较改造前提高了1.047%。
Flexible seal can decrease the air leakage and increase the efficiency of boiler set by achieving zero clearance sealing. 柔性密封可以实现空气预热器的零间隙密封,能够明显降低空气预热器的漏风率,提高锅炉机组的效率。
Application of optimization theory, build the highest radiant energy signal as objective function of optimization strategy on combustion controlsystem. After optimization, the efficiency of boiler is improved. 运用最优化思想,构建以最高辐射能为目标函数的优化策略对燃烧控制系统进行优化,通过仿真比较,优化后锅炉的热效率得到了提高。
The boiler is important burning equipment in a power plant. The combustion condition of it has a direct effect to the safety, economy and environmental protections of the power plant. So many studies are carried out focusing on the combustion efficiency of boiler. 锅炉是火电厂重要的燃烧设备,它内部的燃烧状况直接影响着整个机组运行的安全性、经济性和环保性,因此对锅炉的燃烧效率的研究历来都是热点。