Method for rapidly determining sulfate radical content in condenser circulating cooling water of thermal power plant
A technology for circulating cooling water and thermal power plants, which is applied in the measurement of color/spectral properties, analysis by chemical reaction of materials, and material analysis by observing the effect on chemical indicators, which can solve the problems of cumbersome operation and long time. and other problems, to achieve the effect of reducing labor intensity, saving energy, fast and accurate energy
Pending Publication Date: 2020-12-18
国家能源集团山东石横热电有限公司
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[0009] Aiming at the deficiencies such as long time and cumbersome operation of the sulfate radical content determination method in the circulating water of the prior art, the present invention provides a kind of sulfate radical content rapid determination method in the circulating cooling water of the condenser of the thermal power plant, for the circulating cooling water of the thermal power plant The monitoring of sulfate content is used to guide the water quality adjustment measures to achieve the purpose of protecting the safe and economical operation of the circulating water cooling system. This method can quickly and accurately save energy, reduce labor intensity, and adapt to site needs.
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Embodiment 1
[0041] The preparation method of standard sulfate solution is: weigh 1.479g of high-grade pure anhydrous sodium sulfate dried at 110-130°C for 2 hours, dissolve it with desalinated water, pour it into a 1L volumetric flask, and dilute to the mark with desalinated water , Shake well and set aside to obtain 1ml standard solution containing 1mg sulfate radical.
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Abstract
The invention relates to the technical field of electric power water quality detection, in particular to a method for rapidly determining the content of sulfate radicals in condenser circulating cooling water of a thermal power plant. A certain amount of to-be-detected water sample is poured into a conical flask, a certain number of conditional reagents are added sequentially, a product is put into a cuvette after full reaction, the absorbance is determined at a specified wavelength, and the content of sulfate radicals is calcualted according to a working curve; water quality adjusting measures are guided by monitoring the sulfate radical content of the circulating cooling water of the thermal power plant, the purpose of protecting safe and economical operation of a circulating water cooling system is achieved, and the method is rapid, accurate, capable of saving energy and reducing labor intensity and suitable for on-site needs.
Description
technical field [0001] The invention relates to the technical field of electric power detection of water quality, in particular to a rapid determination method for sulfate radical content in circulating cooling water of a condenser in a thermal power plant. Background technique [0002] The water and vapor chemical analysis laboratory is the eye of the thermal power plant to supervise the water vapor quality, providing accurate and reliable water quality data for the operation of the thermal system of the power plant. Full analysis of water quality is one of the regular and routine tasks of the laboratory. Through the full analysis of water quality, timely understand and grasp the change of water quality, and take treatment measures to adjust the water vapor quality reasonably. The sulfate content is an important indicator in the total analysis of water quality. [0003] At present, the laboratory adopts the industry standard gravimetric method to determine the sulfate con...
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IPC IPC(8): G01N21/31G01N21/82
CPCG01N21/31G01N21/82
Inventor 李延琴徐树国任小乐刘霞杜风君宋义宏
Owner 国家能源集团山东石横热电有限公司