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一机部第七设计院继1973年在平顶山高压开关厂设计150℃/70℃氮气定压高温热水系统之后,于陕西蒲城变压器厂又设计了130℃/70℃淋水加热蒸汽定压高温热水系统。该系统于1979年冬投入使用,经一个多月的调试运行,供水温度达到了设计值130℃。回水温度由于有一个车间的热水暖风机尚未投入使用,加上有一个车间管板式辐射板加工过程在选型上的差错,使回水温度只能降到85℃～90℃左右。短期运行已可看出,淋水加热蒸汽定压高温热水系统,运行可靠,操作方便,它在兼有生产和采暖负荷的工矿企业是有发展前途的(系统原理见附图)。
The No. 7 Design Institute of the No. 1 Machine Design Department has designed a 150°C/70°C nitrogen constant pressure high temperature hot water system in Pingdingshan High Voltage Switchgear Factory in 1973, and designed a 130°C/70°C water spray heating steam constant pressure at Shaanxi Pucheng Transformer Works. High temperature hot water system. The system was put into use in the winter of 1979. After more than one month of commissioning, the water supply temperature reached the design value of 130 °C. The return water temperature has not yet been put into use due to a hot water heater in the workshop. In addition, there is an error in the selection of the process of the tube plate radiator plate in the workshop, so that the return water temperature can only drop to around 85°C to 90°C. The short-term operation can be seen that the water-spray heating steam constant pressure high-temperature hot water system is reliable in operation and convenient to operate. It has a promising future for industrial and mining enterprises that combine production and heating load (see the attached diagram for the principle of the system).