|
| Riser | Particle terminal velocity corrected by sphericity, | 3.04 m/s |
| Superficial gas velocity, | 5.54 m/s |
| Solids circulation flux in the riser, | 20.93 kg/m2·s |
| Choking voidage, | 0.9969 |
| Voidage fraction at the riser exit, | 0.9962 |
| Riser height, H | 4.00 m |
| Riser height-to-internal diameter ratio, | 39.2 |
| Solids inventory in the total riser height, | 3.52 kg |
| Pressure drop in the total riser height, | 4,268 Pa |
| Solids return level above the riser base | 0.45 m |
| Pressure drop in the riser measured above the solids return level, | 3,077 Pa |
|
| Cyclone | Volumetric gas flow entering the cyclone, Q | 0.045 m/s |
| Solid-to-gas mass ratio at the cyclone entrance, | 3.8 |
| Gas velocity at the inlet section of the cyclone, | 14.83 m/s |
Cyclone dimensions [m]:
Dc = 0.182; A = 0.080; C = 0.038; M = 0.073; F = 0.091; S = 0.255; B = 0.709; . | — |
| Gas velocity at the cyclone exit, | 10.90 m/s |
| Pressure drop in the cyclone, | 271 Pa |
|
| Standpipe and L-valve | Internal diameter of the standpipe and the L-valve, | 0.063 m |
| Circulating solids flux in the standpipe and the L-valve, | 55.2 kg/m2·s |
| Solids velocity in the moving bed, | 0.04 m/s |
| Horizontal section of the L-valve, | 0.36 m |
| Aeration level above of the horizontal section center line, | 0.13 m |
| Aeration mass flow rate in the L-valve, | 1.97 kg/h |
| Height of the solids above the aeration point, | 0.50 m |
| Height of the standpipe, | 2.71 m |
| Pressure drop in the L-valve, | 3,917 Pa |
| Pressure drop in the standpipe, | 7,265 Pa |
|
| |
Total solids inventory in the CFB system | 8.20 kg |
|
