| 摘要 |
PURPOSE:To enable to increase the output of electric power in a waste heat recovering power plant, by providing a heat accumulating means for heating liquid by use of a part of waste gas and accumulating heat in the same, and heating and vaporizing preheater by-pass liquid via the heat accumulating means, so that the plant can be operated efficiently independently of change in the temperature of waste gas. CONSTITUTION:A waste heat recovering power plant comprises a preheater 2, evaporator 1, turbine 3, generator 4, condenser 5 and pump 6. Further, the plant comprises a heat accumulating means 21 which heat liquid by use of a part of waste heat 20 and accumulates heat therein. Electric power can be obtained by carrying preheater by-pass liquid to the heat accumulator 21 via a by-pass liquid pipe 12, heating and vaporizing the liquid in the heat accumulator 21, and supplying the vaporized liquid to the turbine 3 via a vapor pipe 25 and a main vapor pipe 13. With such an arrangement, it is enabled to increase the output of electric power by use of effective energy obtainable at the time when the temperature of waste gas is varied with change of manufacturing conditions in the production system of the mining and manufacturing industries and to thereby raise the efficiency waste heat utilizing power generation. |
