| Coal is the major part in Chinses energy structure.Since the high ratio of dispersion and utilization of the source,it has led to severe air pollution.Nature Gas should play a vital role in the reduction commitment Chinnese has promised and Nature Gas is generally regarded as a type of transition energy before a break through of new erergy source.Gas Turbine Power Plant in Beijing is booming since its technical advantages over traditional coal-fired power plant.Compared developed countries where coals account for less than 20% in their primary energy consumption markets,it requires an optimization of the energy structure.To some extent,the coal control and reduction of electric power industry fulfills the historical mission of Energy Revolution for its giant consuming.Combined gas-steam turbine will occupy a position of importance in energy security system of Beijing even China for the high thermal efficiency,easy for Peak Regulation and lack of pollution.However,combined gas-steam turbine is just at the early stage ub China.The technical problems has not been solved.The researches in terms of the whole plant are still mainly accomplished by thermal calculations and stimulation.The experiments are very little.According to the data of field experiments under “one GT for one ST” and “two GTs for one ST” about the Shenhua Guohua Beijing Gas-fired Thermal Generation Co.Ltd.,proportion method and enthalpy method are applied to analyze the thermal power line of those two conditions.The analysis of economy and peak modulation capacity is of vital realistic significance for the application of similar gas turbine of the Mitsubishi. |
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