Fig. 2
From: Impact of a liquid spray on flow characteristics of carbonized slag in a hot fluidized bed

Schematic diagram of experimental apparatus (The pressure difference is measured between the bed and atmosphere, as indicated by the red arrows).
From: Impact of a liquid spray on flow characteristics of carbonized slag in a hot fluidized bed

Schematic diagram of experimental apparatus (The pressure difference is measured between the bed and atmosphere, as indicated by the red arrows).