Steam gas turbine including a gas turbine and a steam turbine with a steam generator at the downstream end专利检索-烟道气污染与排放控制专利检索查询-专利查询网

Steam gas turbine including a gas turbine and a steam turbine with a steam generator at the downstream end

阅读：879发布：2023-10-20

专利汇可以提供Steam gas turbine including a gas turbine and a steam turbine with a steam generator at the downstream end专利检索，专利查询，专利分析的服务。并且A steam gas plant including a gas turbine the exhaust gases of the gas turbine feed the burners of the steam generator which in turn feeds the steam turbine, a steam generator, and a steam turbine, in which the operation of the gas turbine continues under full load even for reduced loads on the steam turbine. The invention maintains under varying steam turbine loads the temperature at the input of a deaerator constant, the deaerator being fed in parallel by an economizer subjected to the heat of the flue gases of the steam generator and by water heaters fed with steam extracted from the turbine. To ensure constant temperature, one of the streams feeding the deaerator is controlled by a gate the extent of opening of which is defined by the ratio of the throughput of flue gases acting on the economizer and the flow of water in the economizer and possibly also by the modifications in the temperature at the output of the economizer.，下面是Steam gas turbine including a gas turbine and a steam turbine with a steam generator at the downstream end专利的具体信息内容。

权利要求

1. A method for operating a plant including a gas turbine, a steam generator fed by the exhaust gases from said gas turbine, a deaerator for the water feeding said steam generator, an economizer associated with said steam generator and at least one water heater inserted in parallel with said economizer and feeding water into said deaerator, a steam turbine fed by said steam generator and out of which steam is exhausted to heat said water heaters, the steps consisting in producing signals defining the ratio of the throughputs of water in said economizer and of flue gases in said steam generator and adjusting the throughput of water in said water heaters in conformity with said signals to maintain constancy of temperature at the input of said deaerator.

2. A method as claimed in claim 1 including the further step of applying additional correcting signals defining the actual ratio of the temperature at the output of said economizer and a reference temperature

3. In a plant including a gas turbine, a steam generator fed by the exhaust gases from said gas turbine, a deaerator for the water feeding said steam generator, an economizer associated with said steam generator and at least one water heater inserted in parallel with saideconomizer and feeding water into said deaerator, a steam turbine fed by said steam generator and out of which steam is exhausted to heat said water heaters, the provision of a gate controlling the throughput of water in at least one of said economizer or said water heater , and means defining the ratio of the throughput of water in said economizer and the throughput of flue gases in said steam generator and controlling the operation of said gate in conformity with said ratio.

4. A plant as claimed in claim 3 including further means defining the ratio of the temperature at the output of said economizer and a reference temperature and producing a corresponding correcting signal for the operation of the gate.

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Steam gas turbine including a gas turbine and a steam turbine with a steam generator at the downstream end

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