010 h001 burner control
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How to control the Heater
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010 h001 burner control
- 1. 010H001 Burner Control TIC5013A FIC5013 AIR RFO FG COT FIC0037 Low High Air to Fuel divider Combustion Air flow Control Air/Fuel Ratio Fuel Gas Flow Compensation Fuel Oil Net Flow Calc. Calculation of Fuel Oil Demand Total Fuel Sum Calculation of Fuel Gas Demand Switch Switch Switch Switch Rev Rev Rev RevRev Rev High Low Rev FIC0039 O2 AIC5004A AIC5004B Objective The objective of this system is to maximum heater performance, efficiency and minimal pollutant emission. • Maintain heater outlet temperature • Optimal O2 concentration in flue gas
- 2. 010H001 Burner Control Heater Out Temperature Control (COT decrease Case) ・When heater outlet temperature is lower than TIC-5013A_SP, the controller output will increase and raise the air flow controller, FIC-5013_SP. ・The increasing air flow signal is multiplied by fuel gas/air ratio and reset fuel gas flow controller, FIC- 0039 or fuel oil flow controller, FIC-0037 (air flow lead fuel flow) TIC5013A FIC5013 AIR RFO FG COT FIC0037 Low High Air to Fuel divider Combustion Air flow Control Air/Fuel Ratio Fuel Gas Flow Compensation Fuel Oil Net Flow Calc. Calculation of Fuel Oil Demand Total Fuel Sum Calculation of Fuel Gas Demand Switch Switch Switch Switch Rev Rev Rev RevRev Rev High Low Rev FIC0039 O2 AIC5004A AIC5004B
- 3. 010H001 Burner Control Heater Out Temperature Control (COT increase Case) ・When heater outlet temperature is higher than TIC-5013A_SP, the controller output will decrease and lower the fuel gas flow controller, FIC-0039_SP or fuel oil flow controller, FIC-0037_SP. ・The decreasing fuel flow signal is multiplied by air/fuel gas ratio and reset air flow controller, FIC-5013 (fuel flow lead air flow) TIC5013A FIC5013 AIR RFO FG COT FIC0037 Low High Air to Fuel divider Combustion Air flow Control Fuel Gas Flow Compensation Fuel Oil Net Flow Calc. Total Fuel Sum Calculation of Fuel Gas Demand Switch Switch Switch Rev Rev Rev RevRev Rev High Low Rev FIC0039 Calculation of Fuel Oil Demand O2 AIC5004A AIC5004B Air/Fuel Ratio Switch
- 4. 010H001 Burner Control Heater O2 Control ・When O2 in flue gas is lower than AIC-5004_SP, the controller output will increase and this signal will override fuel flow signal to raise air flow controller, FIC-5013_SP. TIC5013A FIC5013 AIR RFO FG COT FIC0039 FIC0037 High Low Low High Air to Fuel divider Combustion Air flow Control Air/Fuel Ratio Fuel Gas Flow Compensation Fuel Oil Net Flow Calc. Calculation of Fuel Oil Demand Total Fuel Sum Calculation of Fuel Gas Demand Switch Switch Switch Switch Rev Rev Rev RevRev Rev Rev O2 AIC5004A AIC5004B During Low and High Limit O2 control by Air/Fuel Ratio. AIC5004A/B control Image AIC5004A (Low Limit Ctrl) SP<PV: OP=0% AIC5004B (High Limit Ctrl) SP>PV: OP=100%
- 5. 010H001 Burner Control Heater O2 Control ・When O2 in flue gas is higher than AIC-5004_SP, the controller output will decrease and this signal will override fuel flow signal to lower air flow controller, FIC-5013_SP. TIC5013A FIC5013 AIR RFO FG COT FIC0039 FIC0037 High Low Low High Air to Fuel divider Combustion Air flow Control Air/Fuel Ratio Fuel Gas Flow Compensation Fuel Oil Net Flow Calc. Calculation of Fuel Oil Demand Total Fuel Sum Calculation of Fuel Gas Demand Switch Switch Switch Switch Rev Rev Rev RevRev Rev Rev O2 AIC5004A (Low Limit Ctrl) SP<PV: OP=0% AIC5004B (High Limit Ctrl) SP>PV: OP=100% AIC5004A AIC5004B During Low and High Limit O2 control by Air/Fuel Ratio. AIC5004A/B control Image