Combustion maintenance tips for operation and adjustment of industrial combustion systems.
Practical Pointers | 1 |
How to navigate through this booklet | 3 |
Table of Contents | 4 |
Introduction | 6 |
Piping and Instrumentation Diagram | 9 |
Regulators | 10 |
Simple (Line) Pressure-Reducing Gas Regulator | 10 |
Atmospheric Regulator | 11 |
Atmospheric Regulator Supplying a Premix Burner System | 12 |
Operation of a Cross-Connected Air/Gas Ratio Regulator Supplying a Nozzle-Mix Burner System | 13 |
Pressure Taps for Cross-Connection Impulse Lines | 14 |
Taps for Measuring Chamber Pressure | 14 |
Premix Systems | 15 |
Operation of an Aspirator Mixer | 15 |
Installation and Lighting of Premix Systems | 16 |
Adjustment of Premix Systems | 17 |
Premix System in Use | 18 |
Effect of Pressure or Suction in Combustion Chamber on Control with a Zero or Atmospheric System | 19 |
Effect of Combustion Chamber Pressure or Suction on Burner Capacity | 20 |
Troubleshooting Air/Gas Ratio Regulators Atmospheric Service | 21 |
Troubleshooting Premix Burners | 22 |
Premix Burner Configurations | 23 |
Nozzle Mix Systems | 24 |
Operation of a Cross-Connected Air/Gas Ratio Regulator | 24 |
Adjustment of High Fire Air/Fuel Ratio | 25 |
Adjustment of Air/Fuel Ratio at Low Fire Rate | 26 |
Summary - Practical Air/Fuel Ratio Adjustment | 28 |
Regulator Selection | 29 |
Regulator Installation | 30 |
Installation for Premix Burners | 31 |
Installation for Nozzle-Mix Burners | 32 |
Lighting and Adjustment | 34 |
Servicing | 35 |
Gas Pressure Requirements for Cross-Connected Air/Gas Ratio Regulators | 37 |
If Gas Supply Pressure is Low | 38 |
Use of Bleeder | 39 |
Effect of Pressure or Suction in Combustion Chamber on Control with a Straight Cross-Connected System | 40 |
Effect of Pressure or Suction in Combustion Chamber on Control with a Cross-Connect4ed System with Bleeder | 41 |
Effect of Pressure or Suction in Combustion Chamber on Burner Capacity with Nozzle-Mix Burners | 42 |
Checking Operation of a Cross-Connected Air/Gas Ratio Regulator | 43 |
Troubleshooting 7218 Air/Gas Ratio Regulators Cross-Connected | 44 |
Troubleshooting Nozzle-mix Gas Burners | 45 |
XSA Operation - Variable Ratio Regulator | 46 |
XSA Operation - Full Air Pressure-Controlled Impulse | 48 |
Accurate Control with High Pressure Gas, Use Individual Cross-Connected Line Regulators | 50 |
Troubleshooting Pressure-Reducing (line) Regulators | 51 |
Oil and Dual Fuel Systems | 52 |
Ratiotrol and Oil Burner | 52 |
3 Pipe Dual-Fuel Burner | 53 |
4 Pipe Dual-Fuel Burner | 54 |
Pilot Systems | 55 |
Gas Supply to 4011 Pilots | 55 |
Pilot Piping | 56 |
Pilot Adjustment | 57 |
Natural Gas Flames of a 4011 Premix Pilot Set | 58 |
Troubleshooting Pilots - Spark Ignition | 59 |
Troublehshooting Pilots - Spark or Manual Ignition | 59 |
Troubleshooting Pilots | 60 |
Troubleshooting Pilots - Flame Detection | 61 |
Manifolds, Valves, Linkages | 62 |
Gas and Air Manifolds Do's and Don'ts | 62 |
Adjustable Port Air Valve Adjustments | 63 |
Valve Linkage Adjustments for a Butterfly or Adjustable Port Type Valve | 64 |
Judging Flames | 66 |
Index | 67 |
Record Your Best Settings | 68 |
Contact Us | 69 |
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