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在石油危机中,燃煤发电厂在日本又开始发展起来。而由于原子能发电比例的增大,要求火力发电厂在夜晚和例假日电力需要量少的时间内停炉,或以最低负荷运行,在白天电力需要量多的时间内带满负荷运行,即用火力发电厂进行负荷调节。适用于这种运行方式的锅炉是变压运行本生锅炉。有关燃油超临界压力变压运行本生锅炉的设计和制造方面,已经有过各种介绍。本文则是与燃油锅炉作一对比,介绍燃煤锅炉设计上的问题及其对策,并介绍国外中间负荷锅炉的运行经验。
In the oil crisis, coal-fired power plants began to develop in Japan. Due to the increasing proportion of nuclear power generation, thermal power plants are required to shut down during nighttime and holidays with less electricity demand, or run at minimum load and run at full capacity during the day when electricity demand is large, that is, Thermal power plant load regulation. Boilers suitable for this mode of operation are variable pressure regenerative boilers. There have been various presentations on the design and manufacture of Bunsen boilers for supercritical pressure transformers operating on fuel. This article is compared with the oil-fired boiler to introduce the design of coal-fired boiler problems and countermeasures, and introduce the operation experience of foreign intermediate-load boilers.