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Electric boiler water chemical treatment method

A treatment method and boiler furnace technology, applied in the field of phosphate treatment, can solve problems such as no corresponding treatment method, low electric boiler load, damage to electrode insulation parts, etc., to ensure safe, economical and stable operation, reduce operating power consumption, and reduce The effect of corrosion

Inactive Publication Date: 2019-12-03
HUANENG SHANDONG SHIDAOBAY NUCLEAR POWER CO LTD
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  • Abstract
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Problems solved by technology

When the conductivity of the boiler water meets the requirements, the pH value is too high, which will cause damage to the electrode insulation, and when the pH value of the boiler water meets the requirements, the conductivity is low, resulting in a low load on the electric boiler
[0004] In the prior art, there is no corresponding treatment method for the relationship between conductivity and pH of electric boiler water

Method used

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  • Electric boiler water chemical treatment method
  • Electric boiler water chemical treatment method
  • Electric boiler water chemical treatment method

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Embodiment

[0023] (1) According to the 1:3 ratio of trisodium phosphate and disodium hydrogen phosphate, respectively weigh trisodium phosphate and disodium hydrogen phosphate into the metering box, and add an appropriate amount of demineralized water to prepare a trisodium phosphate with a concentration of 0.75%. Chemical solution, when the electric boiler is started, start the dosing pump for chemical addition;

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Abstract

The invention provides an electric boiler water chemical treatment method. The electric boiler water chemical treatment method comprises the following steps: weighing trisodium phosphate and disodiumhydrogen phosphate separately, adding the trisodium phosphate and the disodium hydrogen phosphate into a metering box, adding desalted water, preparing a medicament solution added into the electric boiler water, starting a dosing pump when the electric boiler starts and adding the medicaments; and sampling the electric boiler water through a centralized sampling rack, setting the temperature of awater sample, detecting the pH value and the conductivity of the boiler water by a pH meter and a conductivity instrument correspondingly, and detecting the iron content of the boiler water by an atomic absorption instrument, wherein sampling and analysis are conducted for one time every day in the operation period of the electric boiler, the pH value and the conductivity of the boiler water are measured, and the conductivity of the electric boiler water maintains a high level while the pH value meets the requirement. The electric boiler water chemical treatment method has the characteristicsof meeting the designed chemical treatment requirement and guaranteeing safe, economic and stable operation of the electric boiler.

Description

technical field [0001] The invention relates to the technical field of phosphate treatment, in particular to a chemical treatment method for electric boiler furnace water. Background technique [0002] The load of the high-voltage electrode boiler is related to the conductivity of the boiler water. The higher the conductivity, the higher the power of the electric boiler. [0003] The boiler water design of the electric boiler uses trisodium phosphate to adjust the conductivity and pH value of the boiler water. When the conductivity of the boiler water meets the requirements, the pH value is high, which will cause damage to the electrode insulation. When the pH value of the boiler water meets the requirements, the conductivity is low, resulting in a low load on the electric boiler. [0004] In the prior art, there is no corresponding treatment method for the relationship between conductivity and pH of electric boiler water. Contents of the invention [0005] In order to o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/66
CPCC02F1/66C02F2209/05C02F2209/06C02F2303/08
Inventor 姚洪猛马倩韩成杨康
Owner HUANENG SHANDONG SHIDAOBAY NUCLEAR POWER CO LTD
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