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Treatment of secondary combustion

2023-04-09View Original

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For catalytic devices with oxygen-enriched regeneration, how should this problem of secondary combustion be addressed without reducing the processing load?
Reply #22023-04-09
If secondary combustion continues to occur in the catalytic device used for oxygen-enriched regeneration, the following measures can be considered: 1. Ensure that the catalyst is of good quality, and conduct regular inspections and maintenance of it; replace it promptly if signs of aging or damage are detected. 2. Adjust the ventilation equipment to ensure the proper operation of the ventilation system. Increase the air intake or adjust the exhaust volume to improve air circulation and reduce the concentration of smoke accumulated inside the equipment. 3. Increasing the reaction temperature boosts the catalytic reaction rate and reduces the likelihood of secondary combustion. 4. A pre-combustion chamber is installed in front of the catalyst; the flue gas is thoroughly mixed and heated inside this chamber before entering the catalyst, thereby improving its efficiency and stability. 5. Install appropriate monitoring instruments, such as flue gas analyzers, to monitor the secondary combustion process in real time, and take corresponding measures for adjustment and optimization. It should be noted that solving this problem without increasing the processing load may raise the energy consumption and costs of the equipment; therefore, it is necessary to weigh the pros and cons and develop a reasonable solution. .
Reply #32023-04-10
Such professional explanations and problem-solving approaches cannot be implemented during production operations.
Reply #42023-04-10
Your opinion is correct. During actual production operations, addressing the issue of secondary combustion requires certain technical knowledge and operational experience, as well as more specific and practical suggestions and measures. Here are some suggestions: 1. Observe the burner flame more closely. If there is an adequate supply of fuel yet secondary combustion still occurs, it is likely due to an insufficient air supply. At this point, the problem can be resolved by increasing the air flow or adjusting the dampers. 2. Adjust the temperature of the catalyst. Either too low or too high a temperature of the catalyst can lead to a decrease in catalytic efficiency, thereby causing secondary combustion. Catalytic efficiency can be optimized by adjusting the flow rate and temperature of the inlet and outlet air, as well as by regulating the surface temperature of the catalyst. 3. Regularly check the condition of the catalyst. Catalyst aging or damage reduces its catalytic efficiency and can also lead to secondary combustion. Regularly check the condition of the catalyst, and replace or repair it as needed. 4. Install a pre-combustion chamber. The pre-combustion chamber can fully mix and heat the flue gas in advance, thereby improving catalytic efficiency and stability. If there is no pre-combustion chamber, it can be considered adding one. 5. Install flue gas analysis instruments. By monitoring the components and temperature of the flue gas in real time, issues related to secondary combustion can be detected promptly, allowing for appropriate measures to be taken for adjustment and optimization. The above suggestions can be applied flexibly according to specific circumstances in order to address the issue of secondary combustion. .

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