The selection of the right type of probe is a challenge. For most applications, the sample probe is manufactured to the stringent codes applicable to high-pressure, high-temperature pipework. As the probe is going to be directly attached to the process pipe work, it may have to withstand severe conditions. The validity of the analysis is largely dependent on the sample being truly representative. To ensure that the sample that is going to be extracted for analysis represents the process conditions exactly, it is important to choose the correct sample extraction probe.
These aspects are well explained in international standards like ASME PTC 19.11-2008 and VGB S006 -00 2012_09_EN. To achieve this, it is important to take care of the following aspects of the sample: A well designed SWAS must ensure that the sample is representative until the point of analysis. These parameters include pH, conductivity, silica, sodium, dissolved oxygen, phosphate and chlorides. A well designed Steam and Water Analysis system (SWAS) can help in monitoring the critical parameters in the steam. The steam reaching the turbines need to be ultra-pure and hence needs to be monitored for its quality. Steam and water analysis system (SWAS) Ĭorrosion and erosion are major concerns in thermal power plants operating on steam. In power stations, it is usually used to analyze boiler steam and water to ensure the water used to generate electricity is clean from impurities which can cause corrosion to any metallic surface, such as in boiler and turbine.
Steam and water analysis system ( SWAS) is a system dedicated to the analysis of steam or water. ( August 2019) ( Learn how and when to remove this template message) Please help to improve this article by introducing more precise citations.
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