Water sampler for gas detection
14 December 2009
Hazard detection specialist Groveley Detection has produced a custom water sampling gas detection system for chemical manufacturer LyondellBasell at Carrington, Manchester.
Groveley is a designer and manufacturer of gas and fire detectors to the global petrochemical industry and was approached to design a sampling system that instantly warned if propylene or ethylene leaked into the process cooling water system.
Water sampler designed to detect gas in cooling system
The result was a unit that takes a continuous sample from the cooling water return line and analyses it for dissolved gas in the water – in which case it instantly sends a signal to the control room to take action.
The system includes a compressed air supply which separates out any potential flammable gases, followed by a series of drying filters and finally an infrared flammable gas detector. All the components were mounted on a stainless steel back plate which allowed the client engineers to position the system on to prearranged mountings and make the final connections.
Groveley design engineer Chris Byatt said: "Our design process involved several types of sample drying and the manufacture of some unique components because it was to be located in a hazardous area."
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