Ardealite storehouse spiral rising stockpiling method

Abstract

The invention discloses an ardealite storehouse spiral rising stockpiling method. A spiral line shaped separating dam is arranged in an ardealite storehouse; the spiral separating dam is formed by connecting a smallest dry beach separating dam (8) and a flood regulation dry beach separating dam (8'); the smallest dry beach separating dam (8) surrounds the ardealite storehouse inward by a circle according to a set distance away from dam front of an ardealite dam (2) and a mountain bank slope (10); the flood regulation dry beach separating dam (8') surrounds the ardealite storehouse inward by 0.4-0.6 circle according to a set distance away from smallest dry beach separating dam (8) from an end point of the smallest dry beach separating dam (8); and after being discharged from a slurry discharge pipe (3), the ardealite residue slurry, under the guiding of the spiral line shaped separating dam, forms a spiral alluvial beach face, water in the ardealite residue slurry is finally collected in a settling area (5) in the ardealite storehouse. Through separating dam guiding, ardealite alleviates and fills the periphery of the ardealite storehouse and spirally rises, so that the cost of ardealite excavation, transport and damming is reduced, subsection laying of an HDPE geomembrane is facilitated, and the economic benefits are improved.

Description

technical field [0001] The invention belongs to the technical field of phosphogypsum warehouse engineering, and in particular relates to a stacking method for phosphogypsum warehouses, which is widely applicable to various types and areas of phosphogypsum warehouses, and is especially suitable for wet storage of large phosphogypsum warehouses. Background technique [0002] Phosphogypsum is a by-product solid waste in the production process of phosphate fertilizer industry, and 5 tons of phosphogypsum are produced for every 1 ton of phosphoric acid produced. The main component of phosphogypsum is calcium sulfate dihydrate, and its content is as high as more than 90%. In recent decades, with the rapid economic development, my country's phosphate fertilizer industry has developed greatly, and its production and sales have ranked first in the world for many years. In 2000, my country's annual output of phosphogypsum was 10 million tons, and in 2012 it had reached 70 million ton...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a spiral rising stacking method for phosphogypsum silos in order to solve the technical problems of high phosphogypsum excavation and dam construction costs and difficult HDPE geomembrane laying existing in the wet storage mode of large phosphogypsum silos. Through the guidance of the dam, the phosphogypsum alluvial filling reservoir can be spirally raised around the reservoir, thereby reducing the cost of phosphogypsum excavation and dam construction, and is conducive to laying HDPE geomembrane in sections to prevent seepage and improve economic benefits.

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