| 摘要 |
control of feed of steam drum boiler, applicable in heat power engineering. SUBSTANCE: device has successively connected in the direction of water flow a feed chamber, vessel, rotary and multi-way valve installed before the vessel, boiler drum and a final control element installed in the pipe-line for water supply to the feed chamber. The upper part of the vessel is connected to the feed chamber through the valve, or to the upper part of the drum through the valve, as well as the lower part of the vessel-to the drum, or to the lower part of the feed chamber. EFFECT: simplified construction and enhanced reliability of device operation. 2 cl, 1 dwg
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