From bubbling to circulating fluidized bed combustion—development and comparison

Leckner, Bo

doi:10.1016/j.heliyon.2024.e33415

Heliyon

2024

DOI: 10.1016/j.heliyon.2024.e33415

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From bubbling to circulating fluidized bed combustion—development and comparison

Bo Leckner

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2024

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Cited by 1 publication

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Research on Denoising Algorithm of Standpipe Pressure Signal in FCC Device Based on Tortuosity and Denoising Intensity

Huang,

Zhang,

Peng

et al. 2024

ACS Omega

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The pressure signal of the standpipe in the regeneration device for the catalytic cracking reaction is commonly used as a basis for equipment fault diagnosis. The device operates in environments of high temperature, strong vibration, and high flow rate. The standpipe pressure signal is easily interfered with by noise, making it difficult to extract pressure characteristics. In this study, a signal denoising algorithm based on pressure curve tortuosity and denoising intensity is proposed. A power spectrum threshold vector is utilized to filter the pressure in the circulating standpipe, and the denoising intensity and tortuosity after denoising are calculated. Taking the ratio of noise reduction intensity and tortuosity as the objective function, the noise reduction scheme of the pressure signal at different heights of the standpipe is determined. The denoised pressure signals are reconstructed, and the characteristic pressure signals of the circulating standpipe are extracted. The results indicate that the method suppressed the noise, enhanced the significance of characteristic parameters, and improved the accuracy of the fault diagnosis in the FCC units.

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Research on Denoising Algorithm of Standpipe Pressure Signal in FCC Device Based on Tortuosity and Denoising Intensity

Huang,

Zhang,

Peng

et al. 2024

ACS Omega

View full text Add to dashboard Cite

show abstract

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From bubbling to circulating fluidized bed combustion—development and comparison

Cited by 1 publication

References 12 publications

Research on Denoising Algorithm of Standpipe Pressure Signal in FCC Device Based on Tortuosity and Denoising Intensity

Research on Denoising Algorithm of Standpipe Pressure Signal in FCC Device Based on Tortuosity and Denoising Intensity

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