| 摘要 |
A double structured kiln is provided to save a time and fuel by performing first baking and second baking at the same time, thereby improving productivity and reducing material costs. A double structured kiln comprises a first baking room and a second baking room. The second baking room uses the heat generated in the first baking room. The second baking room recycles the waste heat generated in the first baking room. The second baking room is equipped with a passage having a wheel or a trolley mounted therein. The waste heat is recycled by the second baking room.
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