Pitch mixture stirring device and aggregate premixing device

Abstract

The invention provides an aggregate premixing device which comprises a shell and a stirring unit arranged in the shell, wherein the shell comprises an inner chamber as well as a feeding port and a discharging port which are communicated with the inner chamber; the inner chamber comprises a first inner chamber area and a second inner chamber area; the stirring unit comprises a rotating shaft, a first blade unit and a second blade unit; the rotating shaft is crosswise and rotatably arranged in the shell; the first blade unit is arranged on a first shaft section of the rotating shaft; the second blade unit is arranged on a second shaft section of the rotating shaft; the first blade unit and the second blade unit can rotate following the rotating shaft and are respectively corresponding to the first inner chamber area and the second inner chamber area of the shell; and during a working process, when the first blade unit and the second blade unit rotate following the rotating shaft, a local aggregate in the first inner chamber area is driven to the second inner chamber area by the first blade unit and the aggregate in the second inner chamber area is stirred by the second blade unit. The invention also provides a pitch mixture stirring device.

Description

technical field [0001] The present invention relates to a mixing device, in particular to an aggregate mixing device. Background technique [0002] All kinds of aggregates (also called aggregates) required by asphalt mixing equipment are often mixed by a variety of sand and gravel materials with different particle sizes. Therefore, each material must be strictly measured, but due to sand There is a stacking angle for the stones. In the actual measurement, each material is stacked relatively independently in the measurement bin, and the self-flow method is also used when unloading. In this way, various materials will be relatively concentrated when they are put into the mixer. In the related art, in order to improve the uniformity of the mixture, the mixer has to set a dry mixing time (that is, stirring before the asphalt is not put in). Extend accordingly. The dry mixing time not only affects the mixing cycle and the production efficiency of the equipment, but also the we...

AI Technical Summary

Problems solved by technology

The dry mixing time not only affects the mixing cycle and equipment production efficiency, but also the wear of the contact surface of the agitator is particularly severe during dry mixing, and the service life of the equipment is shortened

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