What are the methods of cooling turbine exhaust steam?

Introduction What are the methods of cooling turbine exhaust steam? There are two main methods: water cooling and air cooling. Water cooling involves using circulating water to cool the steam turbine exhaust steam through the condenser tube bundle.

What are the methods of cooling turbine exhaust steam?

There are mainly two methods: water cooling and air cooling. Water cooling refers to the use of water circulating through the condenser tube bundle to cool the exhaust steam of the steam turbine, which is suitable for places with abundant water resources. . Air cooling is mainly suitable for places with abundant wind resources and lack of water resources. It mainly uses wind to cool exhaust steam from steam turbines.

What is the difference between “pure condensation” and “heating” in generators

Taking from rivers, lakes or deep wells. According to the thermal power grid survey, thermal power plants use a large amount of cooling water. This cooling water mainly passes through the condenser of the steam turbine tocool the exhaust steam that has worked and turn it into condensed water for recycling. This cooling water is called “circulating water” and comes from rivers, lakes or deep wells. Circulating water in power plants is divided into “open cycle” and “closed cycle”. The closed cycle is often used in areas where water is scarce. A thermal power plant, called a thermal power plant, is a factory that uses combustible materials (such as coal) as fuel to produce electrical energy. Its basic production process is as follows: When fuel is burned, water is heated to generate steam, which converts the chemical energy of the fuel into thermal energy. The steam pressure causes the steam turbine to rotate and the thermal energy is converted into mechanical energy. Then, the steam turbine drives the generator to rotate, converting the mechanical energyeu in electrical energy.

Steam enters the steam turbine of the steam turbine generating unit. After passing through the blades at all levels to do the work, all the spent steam enters the condenser and condenses into water. If part of the steam is extracted from the middle of the blades to the heat exchanger to heat the water, and then the hot water is sent to each hearth to be heated, it is a heat exchanger unit. extraction if all the exhaust steam has passed through. turbine blades are used for heating, heat is a back pressure heating unit. Pure condensing units have low coal consumption and high power generation efficiency. Since part or all of the steam is extracted from the heating unit for heating, the coal consumption for power generation is high and the efficiency of power generation is high.Electricity is low.

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