Concept:
Kilns may be classified as periodic kilns and continuous kilns. In periodic kilns, loading, firing, cooling, and unloading occur in cycles.
Step 1: A periodic kiln works batch by batch.
Step 2: Scove kiln is a simple periodic kiln used traditionally for firing bricks.
Step 3: Tunnel kiln, rotary kiln, and roller hearth kiln are continuous kilns.
Step 4: Hence, the periodic kiln among the given options is:
\[
\boxed{\text{Scove kiln}}
\]