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Digester Biogas Flow Measurement

Digester Biogas Flow Measurement
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Digester Biogas Flow Measurement By Steven Craig, Sr. Member Technical Staff Fluid Components International FLUID COMPONENTS Visit FCI on the Worldwide Web ■ www.fluidcomponents.com Headquarters ■ 1755 La Costa Meadows Drive Phone 760-744-6950 ■ Toll Free 800-854-1993 ■ Fax 760-736-6250 European Office ■ Persephonestraat 3-01 5047 TT Tilburg, The Netherlands

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Digester BioGas Flow Measurement By Steven Craig, Sr. Member Technical Staff Fluid Components International provide a real-time, running calculation of the gas quantity in the gas bag system. The PLC then communicates with and sends commands to a distributed control system (DCS) to take actions based upon the quantity of gas. In the event of excessive biogas (methane) build-up, a system alarm notifies the operations staff and the primary PLC issues a command to the DCS telling it to take action by using the extra gas in one of several ways: g Increase the load for an online co-gen power...

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Digester BioGas Flow Measurement By Steven Craig, Sr. Member Technical Staff Fluid Components International In planning the installation of the digester system’s new flow meters, the piping layout was found to be less than optimal for accurate measurement. Nearly all flow meter technologies require a straight pipe run of 0-10 diameters upstream and 0-5 diameters downstream, or more. In this case, there were problematic elbows too close to the meter. The team saved re-piping costs by installing a tab-type Vortab® meter run flow conditioner. The conditioner eliminated any undesirable line...

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