Internal noise source identification method of waste heat boiler
An internal noise and identification method technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problem of not considering the boiler regeneration noise, unable to accurately find the noise source in the furnace, and unable to effectively reduce the waste heat boiler noise. and other problems to achieve the effect of saving noise reduction costs and reducing noise pollution
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[0051] The embodiment of the present invention:
[0052] Due to the coupling of flow, heat, and sound in the furnace, the tube array itself is composed of finned tubes with spiral fins, and its geometric characteristics are complex, and the resources required for complete modeling calculation are too large, so the analysis model is as follows Simplifications and assumptions:
[0053] 1. According to the relationship between the components of the flue gas, use the gas state equation to calculate the physical characteristics of the flue gas, and it is found that the difference between its various indicators and the air is not more than 5%, and the air is used in the calculation instead of the flue gas;
[0054] 2. Since the heat exchange process itself does not produce noise, but only indirectly affects the physical characteristics of the flue gas, the heat exchange between the furnace wall and the tube wall during the flue gas flow process is not considered. The thermodynamic paramete...
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