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首页> 外文期刊>Thermal engineering >Make-up Water Heating Capability, Conditions, and Efficiency in Built in Bundles when Cooling Water Is Concurrently Piped through the Main Condenser Bundles
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Make-up Water Heating Capability, Conditions, and Efficiency in Built in Bundles when Cooling Water Is Concurrently Piped through the Main Condenser Bundles

机译：在通过主电容束同时管道时，在捆绑时内置捆绑的化妆水加热能力，条件和效率

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The paper considers the make-up water heating capability and conditions in the built-in tube bundles when cooling water is concurrently piped through the main turbine condenser bundles. Based on the analysis of experimental and calculated data, a technique is proposed for estimating heat fluxes entering the condenser when the turbine plant operates in the heat production mode. It is shown that, for efficient operation of the built-in bundle as part of the condensing system, all heat fluxes coming in addition to the wheelspace should be directed into the regenerative heating zone under the built-in condenser bundles through special water distribution devices, and the inlet zone itself should be separated from the condenser chamber by enclosing shields. The calculation studies were carried out using a mathematical condenser model of a cogeneration steam turbine plant with built-in condenser bundles. The studies were performed on the model of a turbine plant T-50-12.8 for three seal levels of the low-pressure sliding grid and different make-up water flows and temperatures. The conducted researches made it possible to determine the heat distribution in the condenser between the condenser bundles in different turbine operating modes and to reveal the absence of pressure constraints in the condenser and make-up water temperature constraints at the outlet of the built-in bundle. Based on the turbine plant T-50-12.8 mathematical model, thermal efficiency calculations were performed using the built-in make-up water condenser bundles when the main bundles operate in the cooling mode. It is shown that the heat economy of the turbine plant operating in the considered regimes in the heat production mode with the make-up water flows close to the nominal make up 70% and more of the condenser heat load.
机译：当冷却水通过主涡轮机冷凝器束同时管道时，本文考虑了内置管束中内置管束中的化妆水加热能力和条件。基于实验和计算数据的分析，提出了一种技术，用于估计当涡轮机设备在热量生产模式下运行时进入冷凝器的热量。结果表明，作为冷凝系统的一部分的内置束的有效运行，除了轮空间之外，还应通过特殊的配水装置被引导到内置冷凝器束下的再生加热区。并且，入口区域本身应通过封闭屏蔽与冷凝器室分离。使用具有内置冷凝器束的热电联产汽轮机设备的数学冷凝器模型进行计算研究。对涡轮机厂T-50-12.8的模型进行研究，用于低压滑动栅格和不同化妆水流和温度的三个密封水平。进行的研究使得可以确定不同涡轮机操作模式中的冷凝器束之间的冷凝器中的热分布，并揭示在内置束的出口处的冷凝器和化妆水温度约束中的压力约束的不存在。基于涡轮机工厂T-50-12.8数学模型，当主束在冷却模式下操作时，使用内置化妆水冷凝器捆绑进行热效率计算。结果表明，在热量生产模式中，在所考虑的制度中运行的涡轮机厂的热经济与靠近标称的化妆水流量，占高温载荷的70％和更多。

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