ZIGZAG KILNS: A DESIGN MANUAL
2. Zigzag kilns
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n zigzag kilns, green bricks are arranged in a way that forces hot air to travel in a zigzag path. The length of the zigzag air path is about three times that of a straight line air path, and this improves the heat transfer from the flue gases to the bricks, making the entire operation more efficient.
Figure 2: Straight line firing
Source: Manual on Cleaner Brick Kiln Technologies: Design, Construction and Operation, Greentech Knowledge Solution Pvt Ltd, 2016
Figure 3: Zigzag firing
Source: Manual on Cleaner Brick Kiln Technologies: Design, Construction and Operation, Greentech Knowledge Solution Pvt Ltd, 2016
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