| Sr.No. | Particulars of Comparison | Clamp Burning | Kiln Burning |
|---|---|---|---|
| 1 | Initial cost | Initial cost is low | Initial cost is high |
| 2 | Type of structure | Clamps are tempray | Kilns are permanent structure |
| 3 | Daily output | 25,000 to 1,00,000 bricks be burnt depending upon size of clamp. | 25,00 bricks can be burnt continuosly daily. |
| 4 | Quality of bricks | Average 60% quality bricks obtained. | Average 90% quality bricks can be obtained. |
| 5 | Fire regulation | Controlled firing can not be maintained throughout the process. | Controlled firing can be be maintained through the processes. |
| 6 | Cost of fuel consumption | Less, because local fuel materials like stores etc can be used. | Cost of fuel consumption is high, because only coal is used as the fuel. |
| 7 | Brining period | 2 to 6 months are necessary for burning and cooling. | Only about one day is necessary for burning and about 10 to 12 days for cooling of one chamber. |
| 8 | Preferability | Preferable for a small quantity and ordinary bricks. | Preferable for large, and continuous quality and pf quality production desired. |
| 9 | Wastage of heat | More wastage of heat because fire controlling and proper regulation is not possible. | Minimum wastage of heat because of proper heat regulation system. |
| 10 | Supervision | Supervision is not necessary | Skilled and continuous supervision is necessary. |
| 11 | Operations | Only burning of bricks is done. | Dry, heating and cooling operations are done sequentially. |
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