Plant mixing device and method for continuous vibratory stir processing of stabilized soil

Abstract

The invention relates to the field of stabilized soil stir processing, in particular to a plant mixing device and a method for continuous vibratory stir processing of stabilized soil, and aims to achieve not only t macroscopic uniformity but also better microcosmic uniformity of a stabilized material within a short time. According to the plant mixing device and the method, aggregate is measured and conveyed by aggregate batchers according to gradation requirements; through a belt conveyor arranged below the aggregate batchers, the aggregate is continuously conveyed to a continuous double horizontal shaft vibratory stirrer; meanwhile, powder in a powder storage bin is continuously conveyed to a measuring bin through a spiral conveyor, the measured powder is conveyed to the continuous double horizontal shaft vibratory stirrer, and measured water is continuously pumped by a water supply system into the continuous double horizontal shaft vibratory stirrer at the same time; and in the continuous double horizontal shaft vibratory stirrer, a mixed material is continuously subjected to the double action of stirring and vibrating from a feeding port to a discharging port, and then a finished material is conveyed to a finished material storage hopper through the discharging port. For cement concrete and other materials being difficult to stir and mix, a common stirrer can be added to the upstream of the continuous double horizontal shaft vibratory stirrer, thereby achieving two-stage stirring.

Description

technical field [0001] The invention relates to the field of stabilizing soil mixing processing, in particular to a stabilizing soil continuous vibrating stirring processing plant mixing equipment capable of achieving not only macroscopic uniformity of stable materials but also better microscopic uniformity in a short period of time and its processing method. Background technique [0002] With the continuous expansion of national highway construction, stabilized soil materials have been widely used as a kind of pavement base material, and its production and processing methods directly affect the quality of finished materials, and then affect the quality of construction projects. [0003] At present, ordinary forced twin-shaft stabilized soil plant mixing equipment is mainly used at home and abroad to process stabilized soil materials. In order to make the mixture evenly stirred in a short period of time, the main measure is to prolong the mixing time: one is to increase the...

AI Technical Summary

Problems solved by technology

The first type is due to the increase of the length of the mixing tank, the stirring shaft is lengthened accordingly, and the stiffness of the stirring shaft will become worse, especially for large-scale stabilized soil plant mixing equipment, this problem is more prominent, and the reliability of the whole machine is poor; the second type is due to an increase of one level Mixing cylinder, equipment cost increases, economical is poor, not widely used

However, no matter which processing method is used above, the macroscopic uniformity of the mixture is only improved to a certain extent. Since the stabilized soil material is different from the concrete material, the content of cement and other powder materials is obviously smaller than that of aggregate, but it occupies an important role. The function directly affects the strength of the mixture and is directly related to the cracks in the pavement base after construction. The mixing of cement and other powders is not only a physical mixing, but also a chemical change. Only improving the macroscopic uniformity cannot make the mixing The quality of the material has been significantly improved, but the potential of the material itself is still not fully utilized.

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