Eclipse ThermJet Burners for Preheated Combustion Air - Power ...
Eclipse ThermJet Burners for Preheated Combustion Air - Power ... Eclipse ThermJet Burners for Preheated Combustion Air - Power ...
CapabilitiesOperator TrainingReplacement PartsWarning:Eclipse products are designed to minimize theuse of materials that contain crystalline silica.Examples of these chemicals are: respirablecrystalline silica from bricks, cement or othermasonry products and respirable refractoryceramic fibers from insulating blankets, boards,or gaskets. Despite these efforts, dust createdby sanding, sawing, grinding, cutting, and otherconstruction activities could release crystallinesilica. Crystalline silica is known to cause cancer,and health risks from the exposure to thesechemicals vary depending on the frequencyand length of exposure to these chemicals. Toreduce this risk, limit exposure to these chemicals,work in a well-ventilated area and wear approvedpersonal protective safety equipment forthese chemicals.Adjustment, maintenance and troubleshooting of the mechanicaland the electrical parts of this system should be done by qualifiedpersonnel with good mechanical aptitude and experiencewith combustion equipment.The best safety precaution is an alert and competent operator.Thoroughly instruct new operators so they demonstratean adequate understanding of the equipment and its operation.Regular retraining must be scheduled to maintain a high degreeof proficiency.Order replacement parts from Eclipse only. Any customer-suppliedvalves or switches should carry UL, FM, CSA,CGA and/orCE approval where applicable. Eclipse ThermJet PCA Design Guide No. 206, 3/5/07
System Design3DesignDesign structureDesigning a burner system is a straight-forward exercise ofcombining modules that add up to a reliable and safe system.The design process is divided into the following steps:1. Burner model selection:a. The burner size and quantityb. The fuel type and pressurec. The combustor material2. Control methodology3. Ignition system4. Flame monitoring system5. Combustion air system: blower and air pressure switch6. Main gas shut-off valve train selection7. Process temperature control systemStep 1: Burner modelselectionBurner size and quantitySelect the size and number of burners based on the heat balance.For heat balance calculations, refer to the CombustionEngineering Guide (EFE 825).Performance data, dimensions and specifications are given foreach TJPCA model in Data Sheets 206-1 through 206-13Fuel type & fuel pressureThe usable fuel types are:• Natural gas• Propane• ButaneFor other fuels less than 800 Btu/ft (330 MJ/m3) contact Eclipsewith an accurate breakdown of the fuel contents.The minimum gas pressure required at the burner can be foundin ThermJet PCA Data Sheets 206-1 through 206-13.Eclipse ThermJet PCA Design Guide No. 206, 3/5/07
- Page 1 and 2: Design Guide 2063/5/07Eclipse Therm
- Page 4: DocumentConventionsThere are severa
- Page 7: Safety2IntroductionSafetyImportant
- Page 11 and 12: Step 2: Control Methodology(continu
- Page 13 and 14: Step 3: Ignition SystemFor the igni
- Page 15 and 16: Step 5: CombustionAir System: Blowe
- Page 17 and 18: Example BlowerCalculation(Continued
- Page 19 and 20: AppendixConversionFactorsMetric to
- Page 21: Key to System Schematics (Continued
CapabilitiesOperator TrainingReplacement PartsWarning:<strong>Eclipse</strong> products are designed to minimize theuse of materials that contain crystalline silica.Examples of these chemicals are: respirablecrystalline silica from bricks, cement or othermasonry products and respirable refractoryceramic fibers from insulating blankets, boards,or gaskets. Despite these ef<strong>for</strong>ts, dust createdby sanding, sawing, grinding, cutting, and otherconstruction activities could release crystallinesilica. Crystalline silica is known to cause cancer,and health risks from the exposure to thesechemicals vary depending on the frequencyand length of exposure to these chemicals. Toreduce this risk, limit exposure to these chemicals,work in a well-ventilated area and wear approvedpersonal protective safety equipment <strong>for</strong>these chemicals.Adjustment, maintenance and troubleshooting of the mechanicaland the electrical parts of this system should be done by qualifiedpersonnel with good mechanical aptitude and experiencewith combustion equipment.The best safety precaution is an alert and competent operator.Thoroughly instruct new operators so they demonstratean adequate understanding of the equipment and its operation.Regular retraining must be scheduled to maintain a high degreeof proficiency.Order replacement parts from <strong>Eclipse</strong> only. Any customer-suppliedvalves or switches should carry UL, FM, CSA,CGA and/orCE approval where applicable. <strong>Eclipse</strong> <strong>ThermJet</strong> PCA Design Guide No. 206, 3/5/07
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