Can anyone tell me how water circulates in thermal power plants, what equipment it passes through an

Introduction Can anyone tell me how water circulates in thermal power plants, what equipment it passes through and what type of water it becomes? The specific points of the water circulation system are as follows: the water generates saturated steam in the boiler furn

Can anyone tell me how water circulates in thermal power plants, what equipment it passes through an

The water circulation system is as follows:

Water generates saturated steam in the boiler furnace. Passing through the superheater, it continues to be heated by the fumes and becomes superheated steam. to the steam turbine via the main steam pipe and is heated in the steam turbine. After internal expansion occurs, it enters the condenser and condenses into water. The condensate enters the deaerator via the low pressure regenerative heater, then is sent to the boiler via the feed water pump and the high pressure heater. Part of the steam is extracted from an intermediate stage of the steam turbine and sent to the recovery heater and deaerator respectively to provide recovery water as well as heating and deaeration. In order to compensate for the loss of steam and water, additional chemically treated water must be added to the degasser, and the water from the degasser can bee supplied to the boiler. For the steam to condense into water in the condenser, a circulating water pump must be used continuously to send cooling water into the condensing tube of the condenser for heat exchange, which forms another d 'cooling water. The cooling water can be sourced directly from rivers, streams and lakes and discharged into rivers, streams and lakes, or it can be reused by heat exchange with the atmosphere in a tower type spray pool. cooling.

Once the superheated steam enters the steam turbine, it turns the rotor, causing the generator to rotate and produce electricity, which is then sent to the user through a series of electrical equipment and transmission lines. This is the production process of large and medium-sized coal-fired condensing power plants.th size.

For more professional parts, please refer to the manual “Electrical Parts of Power Plants (Third Edition)” edited by Xiong Xinyin

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