Piezoelectric sensor-based on-line measurement device and method for particle size distribution
A piezoelectric sensor and particle size distribution technology, which is applied in the direction of measuring devices, particle size analysis, particle and sedimentation analysis, etc., can solve the problems of complex, easily polluted lens installation, etc., and achieve the effect of easy installation, small size and reduced impact
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[0016] The invention provides an on-line measurement device and method for particle size distribution based on a piezoelectric sensor. Below in conjunction with accompanying drawing and embodiment the present invention is described as follows;
[0017] figure 1 Shown is a schematic diagram of the principle structure of the on-line measurement device for particle size distribution. In the figure, a collision sensing probe 3 is inserted in the middle of the gas-solid two-phase flow pipeline 1, and the collision sensing probe 3 is in the middle of the particle flow field 2; the length of the collision sensing probe is one-third to one-third of the diameter of the pipeline two. A piezoelectric sensor 4 is installed at the end of the collision sensing probe 3, and the piezoelectric sensor 4 is made of piezoelectric ceramics or piezoelectric film, so as to achieve the purpose of continuous use for a long time. The signal conditioning board and the data acquisition module 5 are fi...
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