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Steam water analysis solution from Endress+Hauser

Water quality monitoring with SWAS, efficient and reliable

Protect your water-steam circuit by reducing scaling and corrosion risks

Water quality monitoring within power plants is an essential activity both in maintaining operational efficiency and minimizing downtime caused by corrosion and leakages. Constant contact with water and steam raises the risk of corrosion and scaling on all metal surfaces. With the right instrumentation for water quality measurement and analysis such risks can be offset, and costly repairs avoided.

How we can help

Providing all the necessary measuring signals for process control, the Endress+Hauser Steam and Water Analysis System (SWAS) offers a standardized solution for the convenient sampling and analysis of water within power plants, reducing downtime and increasing plant efficiency. Modular, scalable and easy to retrofit, plus suitable for use with Memosens digital technology e.g. for easy calibration, SWAS provides reliable measurement, user friendly maintenance and minimized downtime.

Aplikacije

Avoid system corrosion with pH monitoring

Feed-water pH has a direct impact upon corrosion levels in the water-steam circuit, and pH values can vary depending on the location in the circuit itself. To prevent corrosion, plant operators therefore need to carefully monitor pH and implement conditioning according to one of two modes depending on the installed equipment, either universal or more commonly slightly alkaline.

Avoid system corrosion with pH monitoring
Naše strokovno znanje na tem področju

Endress+Hauser offers unique sensors and transmitters for high-quality pH measurement at multiple points in the water-steam circuit.

  • Monitor pH levels reliably even in highly alkaline media or hazardous areas with our Orbisint CPS11D glass electrode based on Memosens technology

  • Optional salt ring for low conductivity applications in deionized water such as boiler feed water

Protect turbines with precise silica monitoring

Silica can deposit on any surface steam touches, leading to a solid layer on turbine blades and causing abrasion and blockages. Removing silica deposits with chemicals or mechanical processes can cost valuable time and resources.

Protect turbines with precise silica monitoring
Naše strokovno znanje na tem področju

Endress+Hauser analyzers offer continuous silica monitoring at multiple points in the water-steam cycle.

  • Save time and costs with our Silica analyzer Liquiline System CA80SI

  • Monitor high pressure and low-pressure turbine steam, steam drum, condensate extraction pumps (CEP), make-up water/ boiler feed water, and H.P. heaters/economizer

  • Avoid costly delays in start-up and manual test sample batches

Prevent corrosion with Dissolved Oxygen (DO) monitoring

Oxygen can result in corrosion damage to the components of the water-steam cycle and must only be present in trace quantities (ppb). Under alkaline operating conditions, mechanical de-aeration and chemical scavenger additives are needed to remove the DO and to minimize corrosion.

Prevent corrosion with Dissolved Oxygen (DO) monitoring
Naše strokovno znanje na tem področju

Endress+Hauser’s Memosens technology for oxygen sensors combined with our Liquiline transmitter allowing for reliable lab calibration, easy maintenance and minimal downtime of the measurement point.

  • Increase process safety and availability of the measuring point

  • Minimize process downtime during sensor exchange thanks to automatic sensor recognition

Avoid scaling through detection of conductivity variations

Dissolved solids present in the water-steam cycle can create scaling on equipment and technical failures. The conductivity of pure water is almost zero and even a small amount of salt can increase corrosion dramatically, therefore the conductivity parameter is a useful indicator of dissolved solids and impurities caused e.g. by cooling water and air leakages, and the likelihood of scaling.

Avoid scaling through detection of conductivity variations
Naše strokovno znanje na tem področju

Compact or panel mounted for simplicity, the Endress+Hauser Liquiline range of multi-parameter transmitters leverage Memosens digital sensor technology to help detect dissolved solids at multiple points in the cycle.

  • Commission and expand quickly and easily

  • Benefit from standardized and intuitive operation

Smart analysis solutions to prevent corrosion and scaling

Process map of water steam circuit ©Endress+Hauser

Water quality monitoring parameters (pH, silicate, DO and conductivity) in the water steam circuit.

Prednosti

We believe in smart instrumentation that saves you from expensive repairs and unnecessary downtime. The SWAS panels are designed with best-in-class instrumentation to ensure the integrity of your water steam circuit at all times. All panels are easy to install, to commission, and to operate and can be combined as desired thanks to their modular design.

  • 50 %

    increased process uptime thanks to digital Memosens instruments installed on the panels

  • $ 3,250

    additional savings every 26 min in a typical 500MW combined cycle plant using degas conductivity analyzers

  • 50%

    time savings when you integrate the SWAS panel into the process control system thanks to Liquiline transmitters

  • Enostavni produkti

  • Lahka izbira, vgradnja in uporaba

Tehnična odličnost

Preprostost

  • Standardni produkti

  • Zanesljivi, robustni, nezahtevni za vzdrževanje

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  • Vrhunski produkti

  • Visoko funkcionalni in praktični

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  • Specialni produkti

  • Zasnovani za posebej zahtevne aplikacije

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Obvladajte ključne procese na preprost način

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Optimirajte procese z inovativnimi tehnologijami

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