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This paper describes a large pulverized-fuel, high-pressure, high-temperature, industrial power plant erected by Imperial Chemical Industries, Ltd., for the supply of steam and electrical energy to the Billingham-on-Tees factory of Synthetic Ammonia and Nitrates, Ltd.Apart from its size, this plant possesses the following features, and these features alone are described, all reference to standard boiler and power plant practice being omitted wherever possible:—(1) A maximum pressure of 800 lb. per sq.in.gauge and a maximum temperature of 856°F.(2) The world's largest high-pressure pulverized-fuel boiler plant, containing special constructional features for the high pressure and temperature.(3) An unusually large distillation plant.(4) A 7-stage feed-heating system, with feed-pumps specially designed for high pressure and temperature.(5) High-pressure pass-out turbines of unique design.(6) The first system of its kind of automatic frequency control, automatic steam-pressure control, and automatic feed-pump regulation, together with automatic synchronizing.(7) Unusual lay-out features for the accommodation of pipework and cables. |
