Product category:
Liquid Analysis: pH, Conductivity, ISE
News Release from: Endress + Hauser | Subject: Purisys CPF201 et al for boiler feedwater
Edited by the Processingtalk Editorial
Team on 28 September 2004
Analysis instruments for boiler
feedwater
Products for control of the water/steam cycle in thermal power generation include measurements like pH, dissolved oxygen and conductivity, supplemented by chemical analysers for hydrazine and silicate
Endress+Hauser offers a superb range of products for control of the water/steam cycle in thermal power generation Basic measurements like pH, dissolved oxygen (DO) and conductivity are supplemented by chemical analysers for hydrazine and silicate
This article was originally published on Processingtalk on 26 Jun 2008 at 8.00am (UK)
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All of these measurements are important, even in relatively small boilers.
The measurement of pH in pure water is widely acknowledged as a difficult task.
In the past, Endress+Hauser solved the problem with a traditional sensor with liquid (flowing) KCl electrolyte and reservoir.
However, the new Purisys CPF201 compact sensor is pre-filled with a large supply of solid KCl crystals and has no need for regular solution top-up.
Mounted in a stainless steel flow cell with low included volume, Purisys simplifies pH measurement of pure water.
The trace DO (ppb level) sensor also uses a compact low volume flow cell, helping to minimise water consumption and maximise response.
For hydrazine and silicate monitoring, the Endress+Hauser Stamolys photometric analysers are ideal, having only small sample and reagent requirements.
In addition to being one of the most accurate units available, they are also very economical to run and provide a particularly fast response.
Automatic self-cleaning and calibration ensures that the Stamolys units perform accurately and consistently over long intervals with minimal operator intervention.
With our wealth of experience in the supply of engineered solutions, we can offer customised panels to address specific applications.
Steam quality panels with sample coolers and cation conductivity systems are examples.
The ion exchange resin removes the ammonia from the steam and replaces the metal ions with much more conductive H+ ions.
The net effect is to make the system more sensitive, reducing the possibility of build-up and minimising the risk of system shutdown. Request a free brochure from Endress + Hauser ...
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