Breakthrough in research and development of flue gas internal circulation nitrogen reduction technology, low nitrogen 50mg does not require flue gas external circulation, reaching the national environmental protection acceptance standard.
Low nitrogen 30mg standard, only need to mix 3% of flue gas with air and send it to the combustion chamber for combustion, NOx (nitrogen oxide) reaches the national emission standard of 30mg/m3.
1. Staged combustion: through the mixing of high-pressure air and gas, the burner can form a staged flame at the outlet of the furnace to reduce the formation of thermal NOx;
2. Internal circulation (FIR): The combustion speed of the graded flames designed by the graded combustion is different. The high-speed flame drives the low-speed flame to form the internal entrainment of air, forming an internal air circulation, and realizing the NOx emission of the internal circulation nitrogen reduction technology is lower than the national standard.
3. Through the right-angle intersection of gas and high-pressure air, fully mix and spray to
1000°C area to reduce the formation of nitrogen oxides and meet the national NOx emission standards.
4. There is no need to connect external flue gas pipes, and there is no corrosion of the boiler by flue gas condensate, which completely solves the problem of corrosion of the flue gas condensate on the boiler burner body and prolongs the service life of the boiler burner.
Advantages of flue gas internal circulation ultra-low nitrogen burner:
1. Without using FGR, the high-temperature flue gas stays in the furnace for a long time, which is beneficial to radiation and heat release, and the efficiency is increased by more than 0.5~2%, and the energy-saving benefit is good. Large-capacity boilers (over 20 tons) do not use flue gas recirculation fans to save power consumption.
2. Without using FGR, compared with the FGR low-nitrogen transformation method, the output is increased by more than 15~20%, and the economic benefits are good.
3. No FGR is used, no need to connect external flue gas circulation pipes, easy to install, no flue gas condensed water corrodes the boiler, solves the problem of flue gas condensed water corroding the boiler body, prolongs the life of the boiler, and has good economic benefits.
4. The flue gas is internally circulated, the total amount of flue gas in the furnace does not increase, and there is no vibration; the flue gas external circulation method is not used, and there is no interference problem of the partial recirculation of flue gas to the exhaust of other boilers when multiple boilers share the flue. Good stability.
5. No flue gas external circulation, no vibration, no need to worry about the influence of flue gas condensed water on the combustion stability of the burner, high safety and benefit.
6. It does not adopt the flue gas external circulation method, and there will be no problem of using the FGR function during environmental protection inspections, and turning off the FGR function to exceed the standard emission, and the social benefits are good.
7. It adopts German Siemens combustion control system and fully electronic proportional adjustment method, which can realize stepless adjustment within the range of 25%~100%.
Breakthrough in research and development of flue gas internal circulation nitrogen reduction technology, low nitrogen 50mg does not require flue gas external circulation, reaching the national environmental protection acceptance standard.
Low nitrogen 30mg standard, only need to mix 3% of flue gas with air and send it to the combustion chamber for combustion, NOx (nitrogen oxide) reaches the national emission standard of 30mg/m3.
1. Staged combustion: through the mixing of high-pressure air and gas, the burner can form a staged flame at the outlet of the furnace to reduce the formation of thermal NOx;
2. Internal circulation (FIR): The combustion speed of the graded flames designed by the graded combustion is different. The high-speed flame drives the low-speed flame to form the internal entrainment of air, forming an internal air circulation, and realizing the NOx emission of the internal circulation nitrogen reduction technology is lower than the national standard.
3. Through the right-angle intersection of gas and high-pressure air, fully mix and spray to
1000°C area to reduce the formation of nitrogen oxides and meet the national NOx emission standards.
4. There is no need to connect external flue gas pipes, and there is no corrosion of the boiler by flue gas condensate, which completely solves the problem of corrosion of the flue gas condensate on the boiler burner body and prolongs the service life of the boiler burner.
Advantages of flue gas internal circulation ultra-low nitrogen burner:
1. Without using FGR, the high-temperature flue gas stays in the furnace for a long time, which is beneficial to radiation and heat release, and the efficiency is increased by more than 0.5~2%, and the energy-saving benefit is good. Large-capacity boilers (over 20 tons) do not use flue gas recirculation fans to save power consumption.
2. Without using FGR, compared with the FGR low-nitrogen transformation method, the output is increased by more than 15~20%, and the economic benefits are good.
3. No FGR is used, no need to connect external flue gas circulation pipes, easy to install, no flue gas condensed water corrodes the boiler, solves the problem of flue gas condensed water corroding the boiler body, prolongs the life of the boiler, and has good economic benefits.
4. The flue gas is internally circulated, the total amount of flue gas in the furnace does not increase, and there is no vibration; the flue gas external circulation method is not used, and there is no interference problem of the partial recirculation of flue gas to the exhaust of other boilers when multiple boilers share the flue. Good stability.
5. No flue gas external circulation, no vibration, no need to worry about the influence of flue gas condensed water on the combustion stability of the burner, high safety and benefit.
6. It does not adopt the flue gas external circulation method, and there will be no problem of using the FGR function during environmental protection inspections, and turning off the FGR function to exceed the standard emission, and the social benefits are good.
7. It adopts German Siemens combustion control system and fully electronic proportional adjustment method, which can realize stepless adjustment within the range of 25%~100%.