Defibrating apparatus and fiber body manufacturing apparatus

A defibrating apparatus comprising:

• a sheet-shaped or plate-shaped screen member formed into a tubular shape to define a circular annular wall that defines a defibrating chamber in which a raw material is defibrated, the circular annular wall having a plurality of through-holes each of which penetrates the circular annular wall;
• a rotational body disposed in the defibrating chamber and rotatable in a circumferential direction of the circular annular wall inside the circular annular wall, the rotational body including a rotational shaft, a base fixed to the rotational shaft, and a plurality of blades radially projecting from the base, the raw material in the defibrating chamber being defibrated by rotation of the rotational body to produce a defibrated material;
• an outer circumferential wall that defines a discharge path that circumferentially surrounds an outside of the circular annular wall;
• a discharge pipe that extends from a discharge section of the outer circumferential wall in a direction away from the circular annular wall;
• and
• a blocking member having a solid-shape conforming to a shape of the circular annular wall to cover a part of the plurality of through-holes that is disposed at a side of the discharge section so as to block the part of the plurality of through-holes, wherein
• the defibrated material passes through a different part of the plurality of through-holes and the discharge path in an order of the different part and the discharge path, and is discharged from the discharge pipe.