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Desulfurization slurry pH monitoring system and monitoring method

A desulfurization slurry and monitoring system technology, applied in the preparation of test samples, electrochemical variables of materials, etc., can solve the problems of poor combustion effect and low safety factor of boilers, meet accurate measurement requirements, reduce maintenance work and safety hazards Effect

Pending Publication Date: 2021-04-13
CHINA DATANG CORP SCI & TECH RES INST CO LTD EAST CHINA BRANCH +2
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Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a coal-fired boiler system that can improve the safety factor and boiler combustion effect, so as to solve the problems of low safety factor and poor boiler combustion effect of the existing coal-fired boiler system

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  • Desulfurization slurry pH monitoring system and monitoring method

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Embodiment Construction

[0033] In order to facilitate those skilled in the art to understand the technical solution of the present invention, the technical solution of the present invention will be further described in conjunction with the accompanying drawings.

[0034] In this application, terms such as "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection, unless otherwise clearly specified and limited. , or integrated; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection or an indirect connection through an intermediary, it can be the internal communication of two components or the interaction relationship between two components . Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

[0035] The terms "first" and "second" are used for de...

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Abstract

The invention discloses a desulfurization slurry pH monitoring system. The system comprises a sample injection pipe, a solid-liquid separation device, a constant temperature device, a measuring device, a clear liquid pipe and a control system; the output end of the sample injection pipe is communicated with the input end of the solid-liquid separation device; the solid-liquid separation device, the constant temperature device and the measuring device are sequentially communicated through pipelines; the clear liquid pipe is communicated with the measuring device, so that cleaning liquid in the clear liquid pipe can clean the pH measurement end in the measuring device; and the solid-liquid separation device, the constant temperature device and the measuring device are all electrically connected with the control system. With the desulfurization slurry pH monitoring system and monitoring method of the invention adopted, the timeliness of pH measurement is improved, the replacement frequency of the pH measurement end can be reduced, the maintenance cost is reduced, the influence of temperature on pH measurement is eliminated, and the accuracy of pH measurement values is improved; the procedure of taking out the pH measurement end is omitted, so that maintenance work and potential safety hazards are reduced; and it is guaranteed that the state of the pH measurement end meets the accurate measurement requirement.

Description

technical field [0001] The invention relates to the technical field of wet desulfurization, in particular to a desulfurization slurry pH monitoring system and monitoring method. Background technique [0002] Coal is the main energy source in my country. In the field of flue gas desulfurization technology for air pollution control in coal-fired power plants, most units use limestone-gypsum wet flue gas desulfurization technology. The absorption tower is the core equipment of the wet desulfurization process. The pH value of the slurry in the tower is the key data to control the operation of the desulfurization system. The pH value of the slurry directly affects the desulfurization efficiency of the flue gas desulfurization (FGD) system, the dissolution of limestone, the sulfite Oxidation, crystallization of gypsum and corrosion of the desulfurization system. At present, there are several methods for measuring the pH value of the slurry in the absorption tower of the lime wet ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/26G01N27/38G01N1/28G01N1/34G01N1/42
CPCG01N1/28G01N1/34G01N1/42G01N27/26G01N27/38
Inventor 李玉楠王鑫慕晓炜陈皓赵晓阳罗小宇
Owner CHINA DATANG CORP SCI & TECH RES INST CO LTD EAST CHINA BRANCH
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