Measuring apparatus and measuring method for gas-solid fluidized bed particle mixing
A technology of measurement device and measurement method, which is applied in the field of fluidized bed and multiphase flow measurement, can solve the problems of large randomness, tracer particle movement cannot reflect particle movement, and unsatisfactory repeatability and reliability of measurement results, etc. Achieve good penetration characteristics
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[0022] Refer to the following figure 1 The present invention will be described in detail.
[0023] The object of the present invention is achieved like this: figure 1 As shown, a microwave generating device 4 is installed on one side of the fluidized bed 1, and the generated microwave is emitted by the transmitting antenna 5 and then guided by the waveguide 6 to radiate to the bed; microwave is a kind of ultra-high frequency electromagnetic wave, which oscillates every second Tens of billions of times, when microwave radiation to the polar H 2 O molecular tracer particles 3, polar H 2 The arrangement direction of O molecules will change tens of billions of times per second, causing the water molecules to rotate and oscillate at high speed, and collide with the surrounding water molecules, squeeze and rub against each other to generate a lot of heat. The tracer particles 3 can rapidly rise in temperature in a very short period of time. The microwave reflection screens 7 ins...
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