| 摘要 |
The present invention relates to a manufacturing method of a coal briquet for charcoal grill using loess and chestnuts. More particularly, the manufacturing method of the present invention comprises the steps of: drying chestnut shells, rotten chestnuts, or both of the two; crushing the dried product; carbonizing the crushed product; mixing and heating loess, an inner layer of chestnut shells, and water; mixing the carbonized product, heated product, and loess; forming the mixed product by injecting the same in a mold and pressurizing the mixed product; and drying the molded product. According to the present invention, a coal briquet having excellent ignitionability, combustion durability, and adhesive strength can be prepared at low costs by using wastes such as chestnut shells, rotten chestnuts, etc. The preparation method of the present invention does not generate harmful gases by using natural ingredients only, without using chemical substances. In addition, the coal briquet is prepared by mixing loess, and thus ashes remaining after combustion does not scatter. |
