The difference between thermal power generation and thermal power generation

Introduction The difference between thermal power generation and thermal power generation. Thermal power generation and thermal power plants burn coal. The heat from the coal is converted to steam kinetic energy in the boiler, which is then converted to mechanical ene

The difference between thermal power generation and thermal power generation

Thermal power plants and thermal power plants burn coal, convert the heat from the coal into steam kinetic energy in the boiler, then convert it into mechanical energy by the steam turbine and finally convert it into electrical energy by the generator.

Why are some power plants called thermal power plants and others thermal power plants? This is the different role of power plants. Thermal power plants produce only electrical energy, while thermal power plants produce both electrical energy and thermal energy. That is to say, the steam from the power plant still has a very high temperature after passing through the steam turbine. The thermal power plant will provide heat to the surrounding residents, while the thermal power plant will use this steam to preheat the boiler.

Thermal power plants often use heat exchanger towerscooling to cool the circulating water. Sometimes hot water can be cooled to a temperature below the ambient atmospheric temperature.

Thermal energy. :

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Advantages: The technology is mature and the current cost is low. Low geographic environment requirements.

Disadvantages: high pollution, poor prospects for sustainable development. It consumes a lot of energy and has low efficiency.

Hydraulic power:

Advantages: long history, low subsequent costs. No pollution, renewable water energy, large total water energy reserves.

Disadvantages: large capital investments and high requirements for geographical environment. For example, southwest China is extremely rich in water resources, but the natural environment is harsh and construction is difficult, making it impossible to use. them.

Detailed information:

< p>Electricity production consists of to convert water energy, fossil fuel thermal energy, nuclear energy, solar energy, wind energy, geothermal energy, ocean energy and other energies into electric energy through the use of electricity generation devices. By the end of the 20th century, most electricity generation used the method of burning fossil fuels. However, fossil fuel resources are not abundant and are becoming increasingly depleted. At present, humans are gradually using renewable energies (hydraulic energy, solar energy, energy). wind energy, geothermal energy, marine energy, etc.) to produce electricity.

The basic principle of hydroelectricity is to use the difference in water levels to produce electricity.electricity with a hydroelectric generator, that is, the potential energy of the water is converted into the mechanical energy of the water wheel, and then into mechanical energy. mechanical energy is used to drive the generator to obtain electricity. Scientists take advantage of the natural conditions of water level difference, effectively use fluid engineering and mechanical physics, and carefully combine them to achieve the highest power generation capacity, so that people can use an electricity cheap and pollution-free.

Thermal power generation generally refers to the use of thermal energy generated when fuels such as oil, coal and natural gas are burned to heat water, transforming the water into water vapor at high temperature and high pressure, and then use the water vapor to drive a generator to produce electricityricity. The general name of the method. Power plants that use coal, oil, or natural gas as fuel are collectively called thermal power plants.

Reference Material Baidu Encyclopedia: Power Generation

The atmospheric temperature you mentioned should refer to the ambient temperature, but the temperature limit of cooling of the cooling tower is the wet bulb temperature. For example, in Guiyang, Guizhou, the highest temperature in summer is generally 40 degrees, but the maximum wet bulb temperature is only more than 20 degrees, and the cooling water can be reduced to more than 20 degrees.Of course, this doesn't violate the second law of thermodynamics. It's just that you confused room temperature and wet bulb temperature. There is a problem with the answer above. Thermal power plants generally do not use power towers.closed cooling. the one used is an unpowered hyperbolic cooling tower,

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