Red mud treatment system for hollow brick production

Abstract

The invention discloses a red mud treatment system for hollow brick production. The system comprises a mounting frame, a mixing tank, a screening machine and a feeding component, and is characterized in that during feeding, a feeding auger is used for enabling materials to pass through a feeding pipe with longer length, so that the materials have longer drying time, the contact degree of the materials and high-temperature, high-pressure and dry gas is improved, the water control effect is improved, then the materials enter the screening machine, the screened materials can be conveyed into the mixing tank through the screening machine, and the mixing tank is fixed to the mounting frame; a first feeding port is formed in the top of the mixing tank and used for being connected with the discharging end of the screening machine, a second feeding port is formed in the side face of the mixing tank and used for being connected with a supplementing tank, and mixing blades capable of mixing materials in a rotating mode and a crushing assembly are arranged in the mixing tank; and the materials are mixed by the mixing blades after being crushed and refined by the crushing assembly, so that the mixing effect is improved, and subsequent brick making treatment is facilitated.

Description

technical field [0001] The invention relates to the technical field of red mud treatment, in particular to a red mud treatment system for hollow brick production. Background technique [0002] Red mud is a kind of red, muddy, highly alkaline solid waste with high water content that remains after refining alumina from bauxite in the aluminum industry with high water content. Therefore, the stacking of red mud not only takes up a lot of land, but also Moreover, the alkali present in the red mud will permeate underground, pollute the groundwater, and affect the ecological environment. Therefore, how to realize the waste utilization of the red mud has become the focus of attention. [0003] At present, red mud is often used to manufacture hollow bricks. The main process includes: preprocessing, batching, pressing, drying and calcination. Specifically, after the red mud slurry is filtered and dehydrated, it is ground together with sandstone, limestone and iron powder to make raw ...

AI Technical Summary

Problems solved by technology

[0004] At present, it is common to crush the red mud slurry during the dehydration process, and then mix it with other materials. The re-transportation after crushing will easily lead to the adhesion of materials, which will lead to general mixing effect or low mixing efficiency. Moreover, The adaptability of the current crushing device is poor

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