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Silicate deposits are abrasive and reduce efficiency

Precise control of silicate SiO2 protects the turbine

The concentration of silicate in the feed-water of steam generators needs to be monitored as the steam running through the turbine has to be very clean. An inadequate silicate dosage leads to the destruction of turbine blades, increased maintenance and plant downtime. Removing silicate parts with chemicals or mechanical processes can cost you valuable time and resources.

Continuous monitoring of silicate is highly recommended

Silicate monitoring in feedwater of steam generators ©Endress+Hauser

Analyzing silicate keeps you aware of potential harmful concentrations in the water-steam turbine cycle. This allows you to avoid costly delays in start-up resulting from having to test sample batches manually.

Silicate analysis is required at several points: high pressure and low pressure turbine steam, drum steam, CEP discharge, make-up water, drum water.

We offer analyzers that are:

  • Designed for small consumption of chemicals

  • Set up for minimal maintenance

  • Proven for reliable measurement

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Endress+Hauser Ltd
Floats Road M23 9NF Manchester United Kingdom
Tel.: +44 161 286 5000
Fax: +44 161 998 1841
Send email www.uk.endress.com

References

  • Hitachi Power Europe GmbH (HPE), a subsidiary of Hitachi, Ltd., designs and constructs fossil-fired power plants. The plant constructor also supplies key components such as utility steam generators, environmental engineering equipment, turbines and pulverizers. Including subsidiaries, approx. 2000 staff is on the company's payroll (as of May 2013).

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