Analysis of Sampling Cooling Improvement
In the self-supplied power plant, the steam sampling points are distributed at different locations. The cooling water of the cooling device is generally made of industrial water. Due to the high content of Ca2+ and Mg2+ in the industrial water, the CaCO3 and MgCO3 are easily precipitated after the heat absorption, resulting in the cooling device and its The cooling water pipe is fouled, which affects the cooling effect, which makes it impossible to obtain a representative steam water sample. At the same time, the maintenance personnel need to remove the scale in time after the scaling, which increases the labor intensity of the maintenance personnel, and cannot supervise the soda quality during the elimination of the scale. Good or bad. If the scale is severe, the cooling unit needs to be updated, which increases the maintenance cost. In addition, the cooling water is directly discharged after the heat absorption, resulting in waste of water resources and loss of thermal energy of the power plant. At the same time, it increases the amount of wastewater discharged from the power plant, affects environmental protection, and affects the economic benefits of the power plant. 1Overview: 4 UG-75/3.82-M42 circulating fluidized bed boilers of our factory are equipped with 3 sets of N15-3.43/2 steam turbines. It was put into operation in 2004. In 2005, the steam sampling points were changed from decentralized to centralized through technical transformation. Sampling, the cooling water of the soda sampling cooling device is changed from industrial water to demineralized water. After more than one year of operation, the economic benefits are very impressive.
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