许多发电厂高压锅炉上装有喷射式调整过热汽温的减温器。这种减温器安装在过热器的第一段和第二段之间。这类减温器组之一的示意图见图1。视锅炉负荷和受热面的清洁程度来决定过热蒸汽的温度,在过热器第一段以后的过热温度波动在385到450℃之间。靠喷水使在蒸汽减温器内的蒸汽温度降到340～350℃,在这之后,蒸汽再进入蒸汽过热器的第二段。 Many high-pressure boilers are equipped with jet-fired desuperheaters that regulate superheated steam temperatures. This desuperheater is installed between the first section and the second section of the superheater. A schematic of one of such desuperheaters is shown in Figure 1. Depending on the boiler load and the degree of cleanliness of the heated surface, the temperature of the superheated steam is determined. The superheat temperature fluctuates between 385 and 450 ° C after the first stage of the superheater. By spraying water, the steam temperature in the steam desuperheater is reduced to 340-350 ° C, after which the steam re-enters the second stage of the steam superheater.