Sub-dam construction method of Bayer process red-mud dry-stacking field

A Bayer method of red mud and sub-dam technology, which is applied in chemical instruments and methods, filling, construction, etc., can solve the problems that are not suitable for sub-dam construction, and the dam slope ratio of sub-dam construction methods cannot be applied with empirical data, etc. Achieving the effect of large storage capacity

Active Publication Date: 2006-10-25
GUIYANG AL-MG DESIGN & RES INST
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Problems solved by technology

Because the mechanical properties of Bayer red mud are quite different from those of the sintering method and the combined method, the sintering method and the sintering method commonly used in China cannot be applied in terms of the dam construction method,

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  • Sub-dam construction method of Bayer process red-mud dry-stacking field

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Example Embodiment

[0014] Embodiments of the present invention: as attached figure 1 As shown, firstly, prepare the dam-building materials, and select the red mud that has been turned in the red mud layer of the storage yard and has a water content of 25% to 35%, and transport it to the sub-dam to be constructed with bulldozers, excavators and other machinery. Pile nearby and take measures (such as discharging a small amount of red mud on the surface) to protect it to maintain its water content.

[0015] Secondly, strengthen the dam foundation of the sub-dam. Sub-dam 1 is located on the red mud layer, and the red mud layer is used as the foundation of the sub-dam. First use bulldozers to break the red mud layer within the scope of the dam foundation 2 and perform preliminary rolling operations, and then use a vibratory roller to further compact it until the water content of the red mud within the depth of 3m within the scope of the dam foundation reaches 35% or less. When the dam foundation reinforc...

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Abstract

The invention discloses a subdam constructing method using Bayer red mud dry storage ground, constructing a subdam on the red mud on inner edges of an initial-stage dam staked with red mud, and comprising the steps of: batching, subdam foundation firming, subdam body rolling moudling, and subdam body finishing. And it is aimed at the red mud dry storing mode in the Bayer production, able to meet mechanical strength for stabilizing the red mud storage ground in the dry storing mode, and able to obtain larger storage capacity in a limited storage ground area.

Description

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Claims

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Application Information

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Owner GUIYANG AL-MG DESIGN & RES INST
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