Ruirong HU, Naxiu WANG, Bo XU, Hongxin ZHANG, Ling LI, Yun CAO, Shifeng ZHU. Application of pneumatic conveying in reactor neutron spectroscopy sample transport[J]. NUCLEAR TECHNIQUES, 2023, 46(2): 020603
- NUCLEAR TECHNIQUES
- Vol. 46, Issue 2, 020603 (2023)
Fig. 1. System schematic diagram P1/P2: Pressure gas tube; P3: Sample transport tube; V1: Gas reversing valve; V2: Gas pressure reducing valve; V3: Gas valve; V4: Ball valve
Fig. 2. Diagram of double casing tube
Fig. 3. Schematic of the calculation model
Fig. 4. Force on the sample in the pipe
Fig. 5. Varitions of sample speed over time in different gaps
Fig. 6. Maximum pressure difference under different gaps
Fig. 7. Diagram of principle prototype Enter the reactor: 1-Pneumatic conveying starting point, 2-Pneumatic conveying end; Out of the reactor: 2-Pneumatic conveying starting point, 3-Pneumatic conveying end
Fig. 8. Sensor installation (a) Sensor installation at the load station, (b) Sensor installation at the bottom of the double casing tube
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Table 1. The simulation results and theoretical calculations are compared with the gas inlet flow rate of 6.7 m·s -1
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Table 2. Gas-solid two-phase flow resistance
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Table 3. Sample transport experiment
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