[Request for Upload Summary] Boiler Operation Procedures (Production Plan)
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Mixed-combustion furnace position I. Tasks of this position: Make full use of the gas generated during gas production, gas production slag and coal powder, as well as hydrogen extraction exhaust gas and residual fuels available in the plant (such as white coal ash and coal gangue) to be burned in combination within the mixed-combustion furnace. The heat released from this combustion is used to heat the qualified boiler water, turning it into steam; this steam is then superheated through a superheater to become qualified superheated steam, thereby meeting the steam requirements of all processes in the plant. The ultimate goal is to achieve safe, economic, and stable production. II. Process parameters for this position
1. Pressure: Boiler pressure ≤ 3.82 Mpa; drum pressure: 1.0–1.5 Mpa; air chamber pressure: 4–7 Kpa; pressure in the mixed-fuel furnace: –0.01 to –1 Kpa.
2. Temperature: Temperature of the fuel layer in the mixed-fuel furnace: 900–1000°C; temperature of the deaerator: 102–105°C; temperature of the flue gas at the inlet of the steam superheater: 900–980°C; temperature of the flue gas at the outlet of the air preheater: ≤170°C; temperature of the steam in the steam superheater: ≤450°C; temperature of the steam at the outlet of the desuperheater: ≤220°C.
3. Liquid level: Liquid level in the boiler drum: 50–150 mm; liquid level in the deaeration tank: 600–1200 mm.
4. Composition of exhaust gases: CO2: 14–16%; CO: ≤0.1%; O2: ≤10%.
5. Composition of boiler water: Alkalinity: 3–6 mmol/L; PO43–: 5–15 mg/L; pH: 11–12.
III. Operating procedures for this position
1. Preparation:
1) Conduct a thorough inspection of the mixed-fuel furnace. If no abnormalities are found, use water seals to seal the recovery gas and reverse exhaust gas systems in order to prevent backflow of gas. 2) Set the boiler water level control slightly below the normal level, keeping the water level at 1/2. 3) Load the furnace with feed material, adjust the thickness of the material layer, and prepare wood and charcoal. 4) Open the steam valve of the zero furnace as well as the vent valve of the superheating section; after controlling the water level in the dust removal tower, start the induced draft fan to adjust the amount of air drawn in. 2. Driving: 1) Once the system has been replaced, place wood in the furnace and light it using an ignition source. 2) Burn an appropriate amount of wood first, then add enough charcoal; once the charcoal has burned out, close the stove door to get ready to start cooking. 3) First, start the blower and adjust its air supply volume according to the temperature of the material layer; then start the coal feeder. Once the temperature of the material layer no longer changes significantly, use the coal feeding rate to regulate its temperature. 4) Monitor the temperature in the middle of the furnace; once it reaches above 1000°C, start the secondary fan to regulate the temperature there. 5) After starting the boiler, closely monitor the boiler water level, the superheater steam temperature, as well as the temperature and pressure of the desuperheater. 6) Once the temperature of the mixed combustion charge layer and the temperatures in each section are normal, drain the water from the water seal for the recovered gas. Then introduce the gas generated through recovery and the air supply, while also setting the liquid level of the water seal for the hydrogen extraction reverse exhaust at an appropriate level before allowing reverse exhaust to occur. 7) Once combustion is operating normally at the boiling state, close the superheater zero-pressure steam valve and the superheating section vent valve. Adjust the parameters according to the standard process specifications: the superheater steam temperature should be ≤450°C, the steam temperature at the exit of the desuperheater should be ≤240°C, and the steam pressure should be ≤1.6 MPa. Additionally, adjust the temperatures, pressures, and liquid levels at all other sections and points to ensure that qualified superheated steam is produced. 3. Parking: 1) Before parking, close the relief valve and air distribution first; then inform the gas production team and hydrogen extraction team to stop supplying blow air and reverse exhaust air. Finally, seal it with a water seal to prevent backflow of gas. 2) Stop the coal feeder, blower, and secondary fan. 3) After shutting down the boiler, pay attention to the drum liquid level and steam pressure. 4) Stop the induced draft fan when the furnace temperature drops to around 300°C. IV. Key points for normal operation of this position: 1. Strictly control the process parameters; generally, the bed temperature should be maintained between 900°C and 1000°C. 2. Upon taking over, check the furnace condition and flush the level gauge promptly. 3. Ensure that the pressure in the furnace does not exceed 3.82 MPa. 4. When feeding material into the furnace, it should be distributed evenly through both pipes; do not rush to avoid air leakage. 5. Keep track of fuel conditions, as well as the situations related to blowing air and reverse gas release at all times, adjust the coal supply accordingly, and control the fluctuations in furnace temperature. 6. Maintain a negative pressure in the furnace chamber of -0.01 to -1 KPa. V. Safety operating procedures for this position 1. Keep the control room clean, with the instrument panels free of dust. 2. In case of any problems with the equipment, contact the relevant authorities promptly. 3. Before driving, a thorough inspection of the hybrid combustion furnace and its auxiliary equipment must be carried out to check for any debris or other items. 4. Rotate the operating equipment to check whether its operation is normal. 5. Conduct a thorough inspection of all valves, air distribution valves, pressure gauges, water level gauges, and various instruments in the mixed-fuel furnace to ensure they are sensitive and reliable. 6. The induced draft fan must be turned on before driving to carry out replacement. VI. Operating procedures for the main equipment in this position: Multi-stage feed water pump 1. Conduct a thorough inspection of the pump and rotate it 3–5 times. 2. Open the inlet valve, feed line valve, and outlet valve. 3. Start the motor, and gradually close the feed line valve to adjust the water supply volume and outlet pressure. 4. Once adjustment is complete, closely monitor the fluctuations in the motor and current levels, ensuring that the motor current remains within the normal range. 5. In the event of any abnormality, activate the backup pump immediately, then shut down the pump to identify the cause and carry out repairs. VII. Common accidents in this position and their handling 1. Over-temperature Handling methods: 1) Reduce the temperature of the flue gas in each section by increasing the air supply volume. 2) Reduce the superheater temperature by increasing the water supply rate. 3) Reduce the superheater temperature by venting. 4) Lower the temperature of the deaeration tank by closing the continuous blowdown valve and the steam valve. 2. Overpressure – Handling method: Reduce the load, stop supplying blowing gas, and open the vent valve. 3. Water hammer: Treatment methods: Release air through the air release valve and increase the flow rate of the feed water. 4. Handling of boiler fire out: First, shut off the vent gas and air supply; inform the gas production team to stop supplying blowing air; and seal the water seal properly. To prevent backflow of air, stop the coal feeder, primary fan, secondary fan, and exhaust fan, and maintain the boiler water level within the normal range. Boiling furnace I. Tasks of this position: Make full use of the gas produced, the slag from boilers, as well as any residual fuel available in the plant; these materials are burned in the furnace, and the heat generated is used to heat the qualified boiler water, turning it into steam of suitable quality. This steam is then used to meet the needs of various processes that require steam, thereby achieving safe, economical, and stable production. II. Process parameters for this position: 1. Pressure: Steam pressure of 1.5 MPa–1.7 MPa. 2. Temperature: 1) Furnace temperature: 900°C–950°C; 2) Return stream temperature: 800°C–900°C; 3) Flue gas temperature: 150°C–180°C. 3. Liquid level: The liquid level should be maintained at 1/2–2/3 of the capacity. 4. Alkalinity: 3-7 mmol/L. III. Operating Procedures for This Position 1. Starting up: 1) First, conduct a thorough inspection of the boiler; if no abnormalities are found, start the exhaust fan to carry out air replacement. 2) Set the boiler water level control slightly below the normal level. 3) Load the furnace with fuel, adjust the thickness of the fuel layer, and prepare the wood. 4) Light the wood with an ignition source; once the temperature of the material layer reaches a certain level, start the blower. Adjust the blower volume according to changes in the material layer’s temperature, then start the coal feeder. Once there are no significant changes in the material layer’s temperature, adjust it by controlling the amount of coal supplied. 5) Once the boiler is burning properly, adjust parameters such as temperature, pressure, and water level according to the process specifications to produce qualified steam. 2. Parking: 1) Stop the coal feeder. 2) Stop the blower and exhaust fan when the layer temperature drops to the minimum temperature. 3) After shutting down the boiler, close attention must be paid to the boiler water level and steam pressure. IV. Key points for normal operation of this position: 1. Strictly control the process parameters; generally, the bed temperature should be maintained between 900–950°C. 2. Upon taking over, check the furnace condition and flush the level gauge promptly. 3. Ensure that the pressure in the furnace does not exceed 1.7 MPa. 4. Do not feed material into the furnace too quickly to prevent air leakage. 5. Keep track of fuel conditions at all times, adjust the coal supply promptly, and control the fluctuations in furnace temperature. 6. Keep the control room clean, with the dashboard free of dust. 7. In case of any problems with the equipment, contact the relevant authorities promptly. V. Safety operating procedures for this position 1. The induced draft fan must be started before starting up the equipment to carry out gas replacement. 2. Fill the boiler with water, keeping the level at 1/2. 3. Fill the water film dust collector with water, and start the exhaust fan to adjust the exhaust volume. 4. Rotate the operating equipment to check whether its operation is normal. 5. Conduct a thorough inspection of all valves, pressure gauges, water level gauges, and other instruments in the boiler to ensure they are sensitive and reliable. 6. Once combustion is operating normally at the boiling state, adjust the temperature, pressure, and liquid level of each section according to the normal parameters to keep them within the appropriate range. 7. Before stopping the machine, first shut down the coal feeder; wait until the temperature drops to its lowest level before turning off the blower and exhaust fan to prevent coking. 8. After shutting down the boiler, closely monitor the boiler water level and steam pressure. VI. Common accidents in this position and their handling 1. Overheating: Handling method: Reduce the temperature by increasing the air supply volume. 2. Overpressure: Treatment method: By reducing the load or stopping coal supply. 3. Low water level and high water level: Handling methods: It is necessary to accurately determine whether there is a low water level or a high water level; actions should be taken by contacting the water treatment team to increase the water supply or stop it. 4. Boiler fire extinguishment: Emergency opening of the furnace door, and adding wood or charcoal to restart the furnace. Chain furnace I. Tasks of this position: To fully burn bituminous coal using the boiler combustion equipment in order to release heat, which is then used to heat the water inside the boiler drum and generate steam for use in subsequent production processes. It is also necessary to control the process parameters properly to ensure the safe and efficient operation of the boiler. II. Process parameters for this position: 1. The furnace temperature should be maintained between 650°C and 750°C. 2. The boiler water level should be kept at 1/2 to 2/3 of its capacity. 3. The steam pressure should be controlled at 1.5–1.7 MPa for 10-ton boilers, and 1.2–1.4 MPa for 6.5-ton boilers. 4. The alkalinity of the boiler water should be maintained between 3–7 mmol/L. 5. The negative pressure in the furnace should be kept at 2–3 millimeters of water column. 6. The water pressure in the feed pump should be 2.5–3.0 MPa. 7. The liquid level in the deaeration tank should be maintained between 50–100 marks. 8. The flue gas temperature should be between 150°C and 180°C.
III. Operating procedures for this position: 1. Startup: 1) Conduct a thorough inspection of the boiler and its auxiliary equipment; if nothing is abnormal, start the exhaust fan to facilitate air exchange. 2) Keep the boiler level at 1/2. 3) Fill the dust removal tower with water and start the exhaust fan for ventilation. 4) Fill the grate with coal, then add wood and light it with kindling. 5) Once the firewood is burning vigorously, start the blower and coal feeder when introducing coal, adjust the volume of air supplied by the blower and the volume of exhaust air, to ensure normal combustion. 6) Adjust the furnace temperature and temperatures at various stages such as the flue gas temperature according to the normal parameters; control the boiler level and steam pressure properly to ensure the production of qualified steam. 2. Parking: 1) Park the coal feeder, blower, and exhaust fan. 2) After shutting down the boiler, closely monitor the boiler water level and steam pressure. IV. Key points for normal operation of this position 1. Strictly control process parameters. 2. Upon taking over, check the furnace condition and flush the level gauge promptly. 3. Ensure that the pressure in the furnace does not exceed 1.7 MPa. 4. Keep track of fuel conditions at all times, and adjust the coal supply accordingly. 5. In case of any problems with the equipment, contact the relevant authorities promptly. V. Safety operating procedures for this position 1. Before starting the equipment, a thorough inspection of the boiler and its auxiliary devices must be carried out to check for any debris or other objects. 2. Rotate the operating equipment to check whether its operation is normal. 3. Conduct a thorough inspection of all valves, pressure gauges, water level gauges, and various instruments in the boiler to ensure they are sensitive and reliable. 4. Before driving the machine, the induced draft fan must be turned on first to purge the system. VI. Common accidents in this position and their handling 1. Over-temperature Handling method: Reduce the load and decrease the coal supply. 2. Overpressure: Treatment method: Reduce the load or shut down the furnace, and open the vent valve. 3. Handling of boiler fire out: Stop the chain grate, stop the blower; after extinguishing the fire on the chain grate, restart the blower. 4. Low water level, full water level. Solution: Accurately determine the phenomenon, and contact the water treatment team to accelerate water supply or stop it.
1. Pressure: Boiler pressure ≤ 3.82 Mpa; drum pressure: 1.0–1.5 Mpa; air chamber pressure: 4–7 Kpa; pressure in the mixed-fuel furnace: –0.01 to –1 Kpa.
2. Temperature: Temperature of the fuel layer in the mixed-fuel furnace: 900–1000°C; temperature of the deaerator: 102–105°C; temperature of the flue gas at the inlet of the steam superheater: 900–980°C; temperature of the flue gas at the outlet of the air preheater: ≤170°C; temperature of the steam in the steam superheater: ≤450°C; temperature of the steam at the outlet of the desuperheater: ≤220°C.
3. Liquid level: Liquid level in the boiler drum: 50–150 mm; liquid level in the deaeration tank: 600–1200 mm.
4. Composition of exhaust gases: CO2: 14–16%; CO: ≤0.1%; O2: ≤10%.
5. Composition of boiler water: Alkalinity: 3–6 mmol/L; PO43–: 5–15 mg/L; pH: 11–12.
III. Operating procedures for this position
1. Preparation:
1) Conduct a thorough inspection of the mixed-fuel furnace. If no abnormalities are found, use water seals to seal the recovery gas and reverse exhaust gas systems in order to prevent backflow of gas. 2) Set the boiler water level control slightly below the normal level, keeping the water level at 1/2. 3) Load the furnace with feed material, adjust the thickness of the material layer, and prepare wood and charcoal. 4) Open the steam valve of the zero furnace as well as the vent valve of the superheating section; after controlling the water level in the dust removal tower, start the induced draft fan to adjust the amount of air drawn in. 2. Driving: 1) Once the system has been replaced, place wood in the furnace and light it using an ignition source. 2) Burn an appropriate amount of wood first, then add enough charcoal; once the charcoal has burned out, close the stove door to get ready to start cooking. 3) First, start the blower and adjust its air supply volume according to the temperature of the material layer; then start the coal feeder. Once the temperature of the material layer no longer changes significantly, use the coal feeding rate to regulate its temperature. 4) Monitor the temperature in the middle of the furnace; once it reaches above 1000°C, start the secondary fan to regulate the temperature there. 5) After starting the boiler, closely monitor the boiler water level, the superheater steam temperature, as well as the temperature and pressure of the desuperheater. 6) Once the temperature of the mixed combustion charge layer and the temperatures in each section are normal, drain the water from the water seal for the recovered gas. Then introduce the gas generated through recovery and the air supply, while also setting the liquid level of the water seal for the hydrogen extraction reverse exhaust at an appropriate level before allowing reverse exhaust to occur. 7) Once combustion is operating normally at the boiling state, close the superheater zero-pressure steam valve and the superheating section vent valve. Adjust the parameters according to the standard process specifications: the superheater steam temperature should be ≤450°C, the steam temperature at the exit of the desuperheater should be ≤240°C, and the steam pressure should be ≤1.6 MPa. Additionally, adjust the temperatures, pressures, and liquid levels at all other sections and points to ensure that qualified superheated steam is produced. 3. Parking: 1) Before parking, close the relief valve and air distribution first; then inform the gas production team and hydrogen extraction team to stop supplying blow air and reverse exhaust air. Finally, seal it with a water seal to prevent backflow of gas. 2) Stop the coal feeder, blower, and secondary fan. 3) After shutting down the boiler, pay attention to the drum liquid level and steam pressure. 4) Stop the induced draft fan when the furnace temperature drops to around 300°C. IV. Key points for normal operation of this position: 1. Strictly control the process parameters; generally, the bed temperature should be maintained between 900°C and 1000°C. 2. Upon taking over, check the furnace condition and flush the level gauge promptly. 3. Ensure that the pressure in the furnace does not exceed 3.82 MPa. 4. When feeding material into the furnace, it should be distributed evenly through both pipes; do not rush to avoid air leakage. 5. Keep track of fuel conditions, as well as the situations related to blowing air and reverse gas release at all times, adjust the coal supply accordingly, and control the fluctuations in furnace temperature. 6. Maintain a negative pressure in the furnace chamber of -0.01 to -1 KPa. V. Safety operating procedures for this position 1. Keep the control room clean, with the instrument panels free of dust. 2. In case of any problems with the equipment, contact the relevant authorities promptly. 3. Before driving, a thorough inspection of the hybrid combustion furnace and its auxiliary equipment must be carried out to check for any debris or other items. 4. Rotate the operating equipment to check whether its operation is normal. 5. Conduct a thorough inspection of all valves, air distribution valves, pressure gauges, water level gauges, and various instruments in the mixed-fuel furnace to ensure they are sensitive and reliable. 6. The induced draft fan must be turned on before driving to carry out replacement. VI. Operating procedures for the main equipment in this position: Multi-stage feed water pump 1. Conduct a thorough inspection of the pump and rotate it 3–5 times. 2. Open the inlet valve, feed line valve, and outlet valve. 3. Start the motor, and gradually close the feed line valve to adjust the water supply volume and outlet pressure. 4. Once adjustment is complete, closely monitor the fluctuations in the motor and current levels, ensuring that the motor current remains within the normal range. 5. In the event of any abnormality, activate the backup pump immediately, then shut down the pump to identify the cause and carry out repairs. VII. Common accidents in this position and their handling 1. Over-temperature Handling methods: 1) Reduce the temperature of the flue gas in each section by increasing the air supply volume. 2) Reduce the superheater temperature by increasing the water supply rate. 3) Reduce the superheater temperature by venting. 4) Lower the temperature of the deaeration tank by closing the continuous blowdown valve and the steam valve. 2. Overpressure – Handling method: Reduce the load, stop supplying blowing gas, and open the vent valve. 3. Water hammer: Treatment methods: Release air through the air release valve and increase the flow rate of the feed water. 4. Handling of boiler fire out: First, shut off the vent gas and air supply; inform the gas production team to stop supplying blowing air; and seal the water seal properly. To prevent backflow of air, stop the coal feeder, primary fan, secondary fan, and exhaust fan, and maintain the boiler water level within the normal range. Boiling furnace I. Tasks of this position: Make full use of the gas produced, the slag from boilers, as well as any residual fuel available in the plant; these materials are burned in the furnace, and the heat generated is used to heat the qualified boiler water, turning it into steam of suitable quality. This steam is then used to meet the needs of various processes that require steam, thereby achieving safe, economical, and stable production. II. Process parameters for this position: 1. Pressure: Steam pressure of 1.5 MPa–1.7 MPa. 2. Temperature: 1) Furnace temperature: 900°C–950°C; 2) Return stream temperature: 800°C–900°C; 3) Flue gas temperature: 150°C–180°C. 3. Liquid level: The liquid level should be maintained at 1/2–2/3 of the capacity. 4. Alkalinity: 3-7 mmol/L. III. Operating Procedures for This Position 1. Starting up: 1) First, conduct a thorough inspection of the boiler; if no abnormalities are found, start the exhaust fan to carry out air replacement. 2) Set the boiler water level control slightly below the normal level. 3) Load the furnace with fuel, adjust the thickness of the fuel layer, and prepare the wood. 4) Light the wood with an ignition source; once the temperature of the material layer reaches a certain level, start the blower. Adjust the blower volume according to changes in the material layer’s temperature, then start the coal feeder. Once there are no significant changes in the material layer’s temperature, adjust it by controlling the amount of coal supplied. 5) Once the boiler is burning properly, adjust parameters such as temperature, pressure, and water level according to the process specifications to produce qualified steam. 2. Parking: 1) Stop the coal feeder. 2) Stop the blower and exhaust fan when the layer temperature drops to the minimum temperature. 3) After shutting down the boiler, close attention must be paid to the boiler water level and steam pressure. IV. Key points for normal operation of this position: 1. Strictly control the process parameters; generally, the bed temperature should be maintained between 900–950°C. 2. Upon taking over, check the furnace condition and flush the level gauge promptly. 3. Ensure that the pressure in the furnace does not exceed 1.7 MPa. 4. Do not feed material into the furnace too quickly to prevent air leakage. 5. Keep track of fuel conditions at all times, adjust the coal supply promptly, and control the fluctuations in furnace temperature. 6. Keep the control room clean, with the dashboard free of dust. 7. In case of any problems with the equipment, contact the relevant authorities promptly. V. Safety operating procedures for this position 1. The induced draft fan must be started before starting up the equipment to carry out gas replacement. 2. Fill the boiler with water, keeping the level at 1/2. 3. Fill the water film dust collector with water, and start the exhaust fan to adjust the exhaust volume. 4. Rotate the operating equipment to check whether its operation is normal. 5. Conduct a thorough inspection of all valves, pressure gauges, water level gauges, and other instruments in the boiler to ensure they are sensitive and reliable. 6. Once combustion is operating normally at the boiling state, adjust the temperature, pressure, and liquid level of each section according to the normal parameters to keep them within the appropriate range. 7. Before stopping the machine, first shut down the coal feeder; wait until the temperature drops to its lowest level before turning off the blower and exhaust fan to prevent coking. 8. After shutting down the boiler, closely monitor the boiler water level and steam pressure. VI. Common accidents in this position and their handling 1. Overheating: Handling method: Reduce the temperature by increasing the air supply volume. 2. Overpressure: Treatment method: By reducing the load or stopping coal supply. 3. Low water level and high water level: Handling methods: It is necessary to accurately determine whether there is a low water level or a high water level; actions should be taken by contacting the water treatment team to increase the water supply or stop it. 4. Boiler fire extinguishment: Emergency opening of the furnace door, and adding wood or charcoal to restart the furnace. Chain furnace I. Tasks of this position: To fully burn bituminous coal using the boiler combustion equipment in order to release heat, which is then used to heat the water inside the boiler drum and generate steam for use in subsequent production processes. It is also necessary to control the process parameters properly to ensure the safe and efficient operation of the boiler. II. Process parameters for this position: 1. The furnace temperature should be maintained between 650°C and 750°C. 2. The boiler water level should be kept at 1/2 to 2/3 of its capacity. 3. The steam pressure should be controlled at 1.5–1.7 MPa for 10-ton boilers, and 1.2–1.4 MPa for 6.5-ton boilers. 4. The alkalinity of the boiler water should be maintained between 3–7 mmol/L. 5. The negative pressure in the furnace should be kept at 2–3 millimeters of water column. 6. The water pressure in the feed pump should be 2.5–3.0 MPa. 7. The liquid level in the deaeration tank should be maintained between 50–100 marks. 8. The flue gas temperature should be between 150°C and 180°C.
III. Operating procedures for this position: 1. Startup: 1) Conduct a thorough inspection of the boiler and its auxiliary equipment; if nothing is abnormal, start the exhaust fan to facilitate air exchange. 2) Keep the boiler level at 1/2. 3) Fill the dust removal tower with water and start the exhaust fan for ventilation. 4) Fill the grate with coal, then add wood and light it with kindling. 5) Once the firewood is burning vigorously, start the blower and coal feeder when introducing coal, adjust the volume of air supplied by the blower and the volume of exhaust air, to ensure normal combustion. 6) Adjust the furnace temperature and temperatures at various stages such as the flue gas temperature according to the normal parameters; control the boiler level and steam pressure properly to ensure the production of qualified steam. 2. Parking: 1) Park the coal feeder, blower, and exhaust fan. 2) After shutting down the boiler, closely monitor the boiler water level and steam pressure. IV. Key points for normal operation of this position 1. Strictly control process parameters. 2. Upon taking over, check the furnace condition and flush the level gauge promptly. 3. Ensure that the pressure in the furnace does not exceed 1.7 MPa. 4. Keep track of fuel conditions at all times, and adjust the coal supply accordingly. 5. In case of any problems with the equipment, contact the relevant authorities promptly. V. Safety operating procedures for this position 1. Before starting the equipment, a thorough inspection of the boiler and its auxiliary devices must be carried out to check for any debris or other objects. 2. Rotate the operating equipment to check whether its operation is normal. 3. Conduct a thorough inspection of all valves, pressure gauges, water level gauges, and various instruments in the boiler to ensure they are sensitive and reliable. 4. Before driving the machine, the induced draft fan must be turned on first to purge the system. VI. Common accidents in this position and their handling 1. Over-temperature Handling method: Reduce the load and decrease the coal supply. 2. Overpressure: Treatment method: Reduce the load or shut down the furnace, and open the vent valve. 3. Handling of boiler fire out: Stop the chain grate, stop the blower; after extinguishing the fire on the chain grate, restart the blower. 4. Low water level, full water level. Solution: Accurately determine the phenomenon, and contact the water treatment team to accelerate water supply or stop it.
Boiler Operation Procedures 1. The design, manufacture, and installation of boilers must strictly comply with the \"Safety Supervision Regulations for Boilers and Pressure Vessels\". 2. Welders who do not possess the qualifications for welding pressure vessels shall not repair pressure vessels. 3. It is not allowed to change the originally designed process parameters such as pressure and temperature without permission. 4. In cases where there are cracks or leaks in the pressure-bearing components of containers, or severe vibrations occur, as per the safety and technical regulations, thereby posing a threat to safe production, the operators have the right to take emergency measures to stop operations and report the incident immediately afterward. 5. Boilers and pressure vessels deemed to be scrapped must be taken out of use and removed from the production system; it is not allowed to modify them without authorization or to use them at reduced pressure. 6. In cases of loss of control such as overpressure or overheating, and when normal operation cannot be restored despite various standard measures being taken, the operator has the authority to take emergency actions to stop the operation and report afterwards. 7. Continue to discharge waste, ensuring that the process parameters meet the required standards. It is strictly prohibited to operate with the tank full or at low water level; operation must be stopped in emergency situations. 8. Boiler vessels shall strictly comply with the regulations regarding regular inspections.