A multifunctional drying cylinder

Abstract

The invention discloses a multifunctional baking cylinder. The multifunctional baking cylinder comprises a feeding box, a discharging box, an underframe and a cylinder body, wherein the cylinder body is supported on the underframe; multistage raising zones are sequentially arranged on the inner wall of the cylinder body from the feeding box to the discharging box; the raising zone of each stage consists of a plurality of raising blades which are uniformly distributed around the axis of the cylinder body and in different shapes; every two adjacent stages of the raising blades are interlaced each other; an interlayer is formed between the outer wall of a combustion chamber and the inner wall of the cylinder body; box-shaped raising blades are arranged in the interlayer; the multifunctional baking cylinder is also provided with a combustor while in use; an ignition opening is formed in one end of the combustor and connected with the combustion chamber together. Compared with the prior art, the multifunctional baking cylinder disclosed by the invention is simple in structure and reasonable in design; the multifunctional baking cylinder can be independently used for baking and heating new sand-gravel aggregate, and can also be used for heating the mixture of new sand-gravel and RSP reclaimed materials of asphalt pavements; the unique structure of the multifunctional baking cylinder can avoid the phenomenon that raising plates adhere materials, and the mixed materials can also be screened and graded after heated.

Description

technical field [0001] The invention belongs to the technical field of asphalt pavement machinery, and in particular relates to a multifunctional drying cylinder. Background technique [0002] Most of the drying cylinders for asphalt concrete mixers on the market are a cylinder made of steel plates, etc., which are not closed at both ends. There are two round rolling rings fixedly connected to its outer circle (some of them also have There is a driven large ring gear), and there is a set of round supporting wheels under the two rolling rings to support and drive them. The lifting blades in the cylinder rotate with the cylinder, and they bring the material to a higher position and then fall. Now, every time the material falls, it will naturally move a certain distance to the lower end of the cylinder and finally be discharged from the lower end of the cylinder. The current drying cylinders are basically divided into two categories: one is used to dry new aggregates Primary d...

AI Technical Summary

Problems solved by technology

In the actual production, when the old asphalt reclaimed material is heated and utilized, a large factory-mixed heat regeneration equipment is required to be used together with the asphalt concrete mixing plant. The core component of the heat regeneration system is the regeneration drying drum, which has a high cost. The structure is complex, the floor area is large, and it is difficult to maintain in the later stage, especially the thermally regenerated drum. After a period of time, it is difficult to clean the asphalt mixture that is more bonded inside the drum; the heated RAP asphalt reclaimed material cannot be cleaned. re-grading screening

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