What is the difference between a power plant and a thermal power plant?

Introduction What is the difference between a power plant and a thermal power plant? The definition of working in a thermal power plant above actually refers to a thermal power plant, which is not the same as a thermal power plant. 1. Power plant: All power plants tha

What is the difference between a power plant and a thermal power plant?

The definition of work in thermal power plants above actually refers to thermal power plants, which are not the same thing as thermal power plants.

1. Power Plant: All power plants that can provide electrical energy are called power plants, including thermal power, hydropower, nuclear power, wind power, geothermal power, tidal power and solar power plants.

2. Thermal power plants, in the narrow sense, refers to coal-fired power plants that use coal to produce electricity. In a broad sense, they also include gas (natural gas), fuel (diesel, etc.), power plants and waste power plants. 3. Thermal power plant generally refers to a power plant that stores electricity.

4. Thermal power plant refers to a power plant that combines theheating and power supply. Technically, it is called combined heat and power production. Thermal power plants generally use coal to produce electricity.

5. The process of coal-fired power plant:

Coal is finely crushed by the coal crusher and coal crusher, and then injected into the boiler for combustion. water is added to the water-cooled wall. The superheated steam is heated to saturation temperature and heated to high temperature and high pressure in the superheater. The superheated steam enters the steam turbine to rotate the steam turbine at a speed of 3000r/. min. The steam turbine drives the generator to rotate together, and the generator cooperates with the exciter to generate electric power for supply. The exhausted steam after the steam turbine work is condensed in the condenser and then preheatede by the heater and economizer before entering the boiler cycle.

6. Process of a thermal power plant:

The process of a thermal power plant is much the same as that of a coal-fired power plant, except that during the process of generating steam turbine being work, part of the steam turbine is taken out of a certain stage of the steam turbine. The steam required for heating the load is supplied to each heat user directly or after being reheated by the boiler (heat user refers to the user operating the steam turbine). thermal power plant to supply steam). There are two heating methods: direct steam supply and hot water supply, which are determined based on the needs of heat users. Compared to units powered by pure coal, thermal units have greater water losses, de so that the volume of feed water is relatively large.

7. According to an economic analysis, for units of the same capacity, the overall economic efficiency of heating units is better than that of units powered by pure coal. However, the relative capacities of thermal power plants are relatively. small (the largest in China is currently 300 MW), compared to the current large capacity units (1000 MW), the economic situation is much worse.

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