PZT声发射传感器测量动床重力流质量流量的方法

SICE '95. Proceedings of the 34th SICE Annual Conference. International Session Papers Pub Date : 1995-07-26 DOI:10.1109/SICE.1995.526655

T. Moriyama, T. Misaki

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引用次数: 6

摘要

本文认为，PZT声发射传感器作为一种新的非侵入式测量方法，适用于新型高热量气化炉或DRI工艺立管移动床重力流质量流量的测量。该传感信号适用于2/spl sim/:48 cm/s的过程。对于没有带通滤波器的40.0/48.5 /spl φ /管道，精度低于/spl plusmn/1.6% FS。带通滤波器适用于75 kHz, 20.1/27.3 /spl φ /和40.0/48.5钢立管，1.8 /spl φ / 1.5 kg/l硅球。该方法能够消除动床重力流的逆响应。红豆在20.1/27.3 /spl φ /管中的频率为36 kHz。

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Measuring method using PZT AE sensor for massflow of moved bed gravity flow

This paper shows that a PZT acoustic emission sensor is suitable, as one of the novel nonintrusive methods, for mass flow measurement of moved bed gravity flow in a stand pipe of the new high calorie gasifier or DRI process. This sensing signal is suitable for the process at 2/spl sim/:48 cm/s. The accuracy is below /spl plusmn/1.6% FS for 40.0/48.5 /spl phi/ pipe without band-pass filter. The band-pass filter is suitable for 75 kHz in 20.1/27.3 /spl phi/ and 40.0/48.5 of steel stand pipe with 1.8 /spl phi/ 1.5 kg/l silica pellets. It is able to delete inverse response of moved bed gravity flow. The frequency of red bean was 36 kHz in 20.1/27.3 /spl phi/ pipe.

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来源期刊

SICE '95. Proceedings of the 34th SICE Annual Conference. International Session Papers

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