A dual-unit complementary indirect air cooling device suitable for nuclear power plants in desert areas

Abstract

The invention discloses a double-unit complementary indirect air cooling device for building a nuclear power plant in a desert area, belonging to the technical field of power generation. The device is divided into two complementary units horizontally, separated by vertical louvers and baffles, air duct baffles and filter screens are arranged at the inlet and outlet on both sides, and there are two fans inside the unit. Under normal working conditions, the inlet air of the two units flows out of the device from the upper part after passing through the cooling pipe, but the temperature difference between day and night in the desert is large and changes rapidly, especially in the extreme case of extremely low temperature at night in winter, in order to maintain the stable operation of the nuclear power plant, by changing The opening of the louvers and the start and stop of the fan make the air flow in the device change, realize continuous and flexible adjustment, and achieve the goal of energy saving. Under the condition of fully meeting the heat exchange stability requirements of indirect air cooling of nuclear power plants, the device takes into account the complex and changeable temperature conditions, transforms the disadvantages of desert areas into the advantages that nuclear power plants can use, and has good stability and adaptability.

Description

technical field [0001] The patented invention relates to a cooling device of a nuclear power plant in desert areas and a technology for maintaining the stable operation of the cooling device in harsh environments, and belongs to the technical field of power generation. Background technique [0002] With the ever-expanding scale of development in my country, the demand for energy is increasing, and the coal-based power generation method that has been used all the time is out of tune in today's severe environmental situation. As an important power generation method to replace thermal power, nuclear power has the advantages of less resource consumption, less environmental impact and strong supply capacity. However, with the increasing number of nuclear power plants built and under construction in coastal areas, and the strict requirements on site selection for nuclear power plants, the construction of nuclear power plants in other regions has become an urgent issue to be consid...

AI Technical Summary

Problems solved by technology

First of all, the temperature difference between day and night in the desert is too large, resulting in the cooling water with low parameters being more easily affected by the ambient temperature during operation throughout the day, and it is difficult to maintain a stable heat transfer efficiency; Because of the forced ventilation of the fan, the general air-cooled device will cause sand and dust to damage the fan blades, and make the heat exchange fins accumulate dust, which will affect the heat exchange efficiency

The above two points have seriously affected the stable operation of nuclear power plants in arid desert areas

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