Recycled asphalt regeneration feeding machine for highway construction

Abstract

The invention relates to the technical field of road and bridge construction equipment, in particular to a recycled asphalt regeneration feeding machine for road construction, which comprises a machine body, a crushing mechanism, a spiral feeding mechanism, a stirring mechanism, a screening mechanism, a lifting mechanism and a material returning mechanism, the material returning mechanism is provided with a plurality of material returning devices, the material returning devices are sequentially and evenly distributed at the multiple output ends of the lifting mechanism, the material receiving ends of the material returning devices communicate with the discharging end of the material screening mechanism, and the discharging ends of the material returning devices communicate with the feeding end of the crushing mechanism; according to the recycled asphalt regeneration feeding machine for highway construction, continuous asphalt screening operation can be conducted, the filtering and screening functions of the screening mechanism are improved, the situation that the screening effect of the screening mechanism is reduced due to material accumulation is avoided, and the working efficiency is greatly improved.

Description

technical field [0001] The invention relates to the technical field of road and bridge construction equipment, in particular to a recycled asphalt feeder for road construction. Background technique [0002] Asphalt is a dark brown complex mixture composed of hydrocarbons of different molecular weights and their non-metallic derivatives. It is a kind of high-viscosity organic liquid. It is liquid with a black surface and is soluble in carbon disulfide. Asphalt is a waterproof, moisture-proof and anti-corrosion organic gelling material. Pitch can be mainly divided into three types: coal tar pitch, petroleum pitch and natural pitch. Among them, coal tar pitch is a by-product of coking. Petroleum asphalt is the residue after distillation of crude oil. Natural bitumen is stored underground, and some form ore layers or accumulate on the surface of the earth's crust. Asphalt is mainly used in coatings, plastics, rubber and other industries as well as paving roads. [0003] A re...

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Problems solved by technology

[0004] In the above-mentioned recycled asphalt feeder for road construction, although the waste asphalt can be recycled and reused, after the asphalt is crushed and screened, the unqualified asphalt can only be put back into the opposite type after the screening is completed. Re-crushing is carried out in the crushing mechanism, and when the material return mechanism is working, the screening mechanism needs to stop working, which affects the asphalt recovery efficiency, and the screening mechanism is in the later stage of screening, and too much broken and unqualified asphalt is accumulated on the sieve plate, which seriously affects the screening. Efficiency, unable to achieve uninterrupted screening and uninterrupted recovery process of unqualified asphalt

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