Boiler Flue Gas Treatment of Cooling Water Circulation Device Control System Based on PLC

Qiu Ping Wang; Lei Han; Miao Zhang; Feng Li

doi:10.4028/www.scientific.net/AMM.598.587

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 598Boiler Flue Gas Treatment of Cooling Water...

Boiler Flue Gas Treatment of Cooling Water Circulation Device Control System Based on PLC

Abstract:

Boiler flue gas treatment of cooling water circulation device is a device which can produce dilute sulfuric acid by absorbing SO₂ in the flue gas of boiler combustion and add dilute sulfuric acid to the circulating water. Adding dilute sulfuric acid to the circulating water, can reduce pH value of the thermal power plant cooling water, obstacles and reduce the condenser fouling. This paper has introduced the working process of the boiler flue gas treatment of cooling water circulation device and the design method of the control system based on SIEMENS S7-300 series PLC. The control system realizes data acquisition of the water level and the pH value, and control the operation of each equipment according to the collected data. Finally realized the purpose of producing dilute sulfuric acid.

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Periodical:

Applied Mechanics and Materials (Volume 598)

Pages:

587-590

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.598.587

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Online since:

July 2014

Authors:

Qiu Ping Wang*, Lei Han, Miao Zhang, Feng Li

Keywords:

Boiler Flue Gas, Circulation Water, Dilute Sulfuric Acid, PLC Control System

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* - Corresponding Author

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