Trestle-penetrating chimney

The utility model discloses a trestle-penetrating chimney which consists of an outer cylinder and an inner cylinder connected with a chimney flue, wherein the outer cylinder is internally provided with a plurality of horizontal steel platforms, the inner cylinder is formed by connecting a plurality of sections of steel cylinders in sequence, the steel cylinder at the bottommost layer supports the steel platform at the bottom, the other steel cylinders are respectively suspended on the steel platforms, two opposite side walls of the outer cylinder below a flue opening are respectively provided with a hole, trestles penetrate through the chimney via the holes and are respectively supported on the ground by trestle supports and then are independent from the chimney. The trestle-penetrating chimney has the advantages of being capable of being penetrated by the trestles, being beneficial to arrangement of a coal handling plane, reducing equipment, investment in civil engineering and land, and having good structura