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Research on Powder Weighing System Used in Stabilized Soil Mixing Plant

Author: FangXiaoLiang
Tutor: JiaoShengJie
School: Chang'an University
Course: Mechanical and Electronic Engineering
Keywords: Continuous stabilized soil mixing plant Powder weighing system Double tube helical Measurement accuracy Simulation
CLC: U415.5
Type: Master's thesis
Year: 2009
Downloads: 64
Quote: 0
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Abstract


Stable soil mixing plant is one of the main types of road construction machinery , is the key equipment for mixing cement stabilized soil mixes for mixing various hydraulic material binder stable , the precision and stability of the powder measure , determines the quality of the finished material is good or bad . As a continuous forced mixing equipment , stable soil mixing plant works its powder metering must be a dynamic and continuous measurement . From the metering point of view, the existing stable soil mixing plant material metering positive displacement metering and weighing measurement from the structure , has used the belt weigher , the spiral scale and reduction , said several forms . Spiral measurement scale measured on the domestic and foreign continuous stabilized soil mixing plant , a wide range of applications , the technology is relatively mature . After analyzing continuous stabilized soil mixing plant powder measure technology status and related information at home and abroad on the basis of the current the powder metering system common problem due to the characteristics of the powder caused instability of the powder conveying the resulting measurement accuracy is not high ; conveying various powder the metering structure analysis and stabilized soil mixing equipment powder metering system dynamic calibration data statistical comparison, the double tube helical metering program can improve the powder metering accuracy of the measurement system ; based on powder conveying theory , calculation and design of the mechanical structure of the double tube helical part ; spiral use of mechanical simulation technology for the design of the institutions of the static and dynamic interference checking , using ANSYS software to its stress and deformation analysis and simulation results show that the system can meet the requirements of normal production ; Based on this experiment , manufactured according to the design parameters of the double-barreled spiral , experimental results show that the system can improve the stabilized soil the mix powder metering accuracy of the equipment and transport stability .

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