Manufacturing method of exhaust steam heating system of steam turbine wet cooling unit

This application relates to the field of wet cooling units, and in particular to a spent steam heating system of a steam turbine wet cooling unit, which is connected to a steam turbine. The steam turbine includes a high-pressure cylinder, an intermediate-pressure cylinder, and a low-pressure cylinder. The low-pressure cylinder is connected with a host condenser. The exhaust steam heating system includes the exhaust steam condenser connected to the circulating water of the heating network, the steam booster condenser and the steam booster for ejecting the exhaust steam. The cylinder is connected with the exhausted steam condenser, the medium pressure cylinder is connected with the steam booster condenser, and the steam booster is respectively connected with the middle pressure cylinder, the low pressure cylinder and the steam booster condenser. The exhaust steam heating system of the present application can heat the circulating water of the heating network step by step, efficiently and maximally utilizes the heat of the exhaust steam, reduces the waste of the exhaust steam heat, and improves the economic benefits

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