Use of corrometers for controllable reagent water treatment in heating networks

Keywords

mild steel, polarization resistance, corrometer, heating network, internal cor­rosion, scaling.

Cite as

Vasyliev G. S. and Herasymenko Yu. S. Use of corrometers for controllable reagent water treatment in heating networks. Physicochemical Mechanics of Materials. 2023. 59(1), 71-78.

https://doi.org/10.15407/pcmm2023.01.071

Abstract

Testing of the reagent method of water treatment with the use of corrosion control devices was carried out at the district boiler house of Kyiv city. To control the corrosion rate, corrosion rate probes were installed on the forward and reverse pipelines of the heating network, and on the supply line. The anti-scale efficiency of the reagent was determined by measuring the change in the hardness of water before and after the heating equipment. The results of corrosion monitoring showed that the corrosion rate in the heating network is maintained at 0.1 mm/year. The corrosion rate on the feed line due to reagent water treatment was reduced to 0.03 mm/year in non-deaerated water. The calculation of economic efficiency has shown that the reagent method of water treatment for heating networks is 13% cheaper than traditional approach and can serve as an alternative to traditional, especially regarding energy conservation.

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