| 1. | Application of stainless steel tube to high pressure heaters 不锈钢换热管在高压加热器的应用 |
| 2. | An approach to design of channel of u - tube high pressure heaters 形管式高压加热器水室设计浅谈 |
| 3. | Calling matlab by means of vb and its application in fault diagnosis of high pressure heater 在高压加热器故障诊断中的应用 |
| 4. | Water box kinds and structure of high pressure heaters has been presented in the paper , it offers a reliable and reasonable design way roundly by taking into account of use function and manufacture costing 摘要通过对高压加热器水室种类、结构介绍,对综合考虑使用性能和制造成本合理的情况下提供了一种可靠的设计方法。 |
| 5. | This paper analyzes on several common faults in the operation of high pressure heater , and advances some measures for the maintenance and operation of the high pressure heater in order to ensure the long term and safe operation of the high pressure heater 分析了高压加热器运行中常见的几种故障,为了确保高压加热器长期安全运行,提出了高压加热器运行维护等方面的措施。 |
| 6. | On every factor , it advanced specific improve plan that had been compared from technique and economy . this improve plan are not only feasible , but also economics . the paper introduced putting into effect improve plan of the no . 5 , 6 high pressure heater 同时,针对几个因素提出了具体的优化方案,对每个方案进行了技术经济比较,证明所提方案不仅在技术上是可行的,而且在经济上是可取的。 |
| 7. | The arrangement of measuring points in conventional performance test of steam turbines is limited , the measuring parameters are generally confined to related parameters of the high pressure heater , deaeator , and those related to secondary class correction , making various analysis methods of the thermal system to be difficult for accurately carrying out partial quantitative analysis on the basis of said measured parameters 摘要汽轮机常规性能试验测点布置有限,测量参数一般局限于高压加热器、除氧器及与二类修正有关的相关参数,使现有的各种热力系统分析方法难以根据这些测量参数准确进行局部定量分析。 |
| 8. | The authors first apply basic theory of equivalent heat drop on the common circulation heat calculating model for thermal system in supercritical pressure power unit with second reheat cycles and other kind of condensing steam turbine by mathematical derivation strictly , based on the normal energy balance and theory of equivalent heat drop , aiming at characteristics of thermal system in which there are outer steam coolers that high pressure heater and low pressure heater carry 摘要以常规热平衡方法和等效热降理论为基础,针对二次再热超临界机组热力系统高低压加热器均设置外置式蒸汽冷却器的特点,经过严格的数学推导,将等效热降理论应用于二次再热超临界机组热力系统循环吸热量计算的研究,并提出了适用于不同类型凝汽式机组的通用数学计算模型。 |
| 9. | On the deep foundation that studies and understands thermaldynamic system of steam power plant , this text is to compare analytic theories and computation method constantly used at present on the economy of thermaldynamic system of steam power plant , calculate the influences on thermal economy with theory of equivalent enthalpy drop when high pressure heater is into stoppage , prove influences degree on thermal economy when the composition of heater stoppage is diffrent , define regenerator rate and offer theoretical direction for heater stoppage 本文在对火力发电厂热力系统深入学习、掌握的基础上,对目前几种常用的火力发电厂热力系统经济性分析理论和计算方法进行了比较,以等效焓降理论对高压加热器停运时热经济性的影响进行了计算,说明了高压加热器各种停运组合对热经济性的影响程度;提出了加热器回热率概念,从而为高压加热器切除提供了理论指导。 |
| 10. | The bigger no . 5 6 high pressure heater ' s difference temperature is another factor . the paper detaily analysed the reasons that turbine ' s relative intra - efficiency and condenser ' s vacuum lowering and no . 5 , 6 high pressure heater ' s difference temperature rising . it using the thermal system equal quantity analysis method , calculated the value that turbine unit thermal efficiency had been lowered 论文中对汽轮机相对内效率低、凝汽器真空低于设计值以及# 5 、 6高压加热器上、下端差大于设计值的原因进行了详细的分析,并将各因素对整个热力系统效率降低的影响程度进行了定量的分析和计算。 |