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Water quality monitoring method of condensation water from thermal power plant

A thermal power plant, condensate technology, applied in the direction of testing water, material inspection products, etc., can solve the problems of incomplete monitoring items, affecting the stable operation of the thermal system, and unable to feedback monitoring results in time, achieving the effect of direct guidance

Inactive Publication Date: 2015-11-04
DATANG LUOYANG CO GENERATION POWER
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AI Technical Summary

Problems solved by technology

The existing condensate water quality monitoring methods have problems such as incomplete monitoring items and inability to timely feedback monitoring results, which affect the stable operation of the thermal system

Method used

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Embodiment Construction

[0016] The monitoring method of condensed water quality in a thermal power plant of the present invention, its monitoring system includes a data acquisition end, a diagnosis server and a data display end, the data acquisition end is used to collect the data information of each index parameter of the condensate and send it to the diagnosis server, The diagnostic server is used to receive the condensed water information from the data acquisition terminal for diagnosis, and send the diagnostic results to the data display terminal. The data display terminal will display the received diagnostic results of each parameter, and check if the diagnostic results are not normal. Other diagnostic results give alarm warnings.

[0017] The data acquisition terminal detects seven parameters of condensate flow, conductivity, hydrogen conductivity, temperature, pH value, Si content and Na content through the corresponding detection module. The detection of these parameters is detected by the cor...

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Abstract

A water quality monitoring method of condensation water from a thermal power plant is disclosed. The method comprises the following steps: a data acquisition terminal detects flow, conductivity, hydrogen conductivity, temperature, pH value, Si content and Na content of condensation water and transmits the detected parameters to a diagnostic service terminal; the diagnostic service terminal diagnoses the received parameters of condensation water and sends diagnosis results to a data display terminal; the data display terminal displays the diagnosis results of the received parameters and gives alarms to other diagnosis results except normal diagnosis results. When the diagnosis service terminal diagnoses hydrogen conductivity parameter of condensation water, diagnosis results are displayed at different levels according to set standard value, first-level over-standard value and second-level over-standard value, and corresponding treatment measures and recovery time are stipulated according to diagnosis results at different levels. According to the invention, quality of condensation water can be effectively monitored at real time, and safety and stable operation of a thermodynamic system are guaranteed.

Description

technical field [0001] The invention relates to a method for monitoring the quality of condensed water, in particular to a method for monitoring the quality of condensed water in thermal power plants. Background technique [0002] The higher the parameters of the boiler unit in the thermal power plant, the higher the utilization rate of heat energy and the better the economy of power generation. However, the higher the parameters of the unit, the stricter the technical requirements for water treatment. Because the boiler parameters are high, the local heat load is also high, the local concentration ratio is higher, and it is more sensitive to residual impurities in water; secondly, the alloy material used in the matching steam turbine is more sensitive to steam purity after heat treatment to increase its strength. It is more likely to cause corrosion problems; in addition, with the increase of steam parameters, the solubility of salts and corrosion products in steam increas...

Claims

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Application Information

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IPC IPC(8): G01N33/18
Inventor 王磊静王建涛王晓辉赵素梅马闻张瞾李冬
Owner DATANG LUOYANG CO GENERATION POWER
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