Abstract
First, the water consumption actuality of the electric power industry of China is analyzed in this article, and the necessity of the water-saving transformation in thermal power plants is proposed. Second, the type of water consumption in thermal power plants is analyzed, and eight parts of water consumption in thermal power plants are summarized in the production of thermal power plants. Finally, aiming at the characters of thermal power plant in China, the measures of water conservation and the methods of technical reform of water conservation are proposed to reduce the water consumption in the thermal power plants of China and offer solutions for the energy conservation and emission reduction.
Highlights
The water consumption actuality of the electric power industry of China is analyzed in this article, and the necessity of the water-saving transformation in thermal power plants is proposed
The generated electrical energy amount of the thermal power plants occupies above 70% of the total electrical energy in China, and the thermal power generation industry is one of largest industry which consumes waters in China, and the development of the water conservation will directly influence the production management and sustainable development of thermal power plants
The average water consumption rate of the large thermal power plant adopting the circulating cooling system in 1980s in China was 1.42-1.56 cubic meters/ (s. million KW), and the average water consumption rate of the large thermal power plant of 0.3 million KW or 0.6 million KW built in 1990s could achieved 0.915 cubic meters/ (s. million KW)
Summary
The thermal power plant is the big user of industrial water, and the thermal power plant mainly includes the boiler, the steam turbine, the coal clinker and the cooling tower, and the water consumption of the thermal power plant mainly contain following aspects
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