Production process for extracting magnesium-carbon particles by utilizing waste ladle magnesium-carbon bricks

Through a series of process steps, including raw material sorting, hydration treatment and magnetic separation, the problem of low resource utilization efficiency of waste magnesia carbon bricks is solved, high-quality magnesium carbon particles are produced, and the effective recycling of resources and steel enterprises are achieved. energy saving and consumption reduction.

CN102140032AInactive Publication Date: 2011-08-03SHANGHAI FANFEN REFRACTORY MATERIALS
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Patent Information

Application Number
CN201010103125.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2010-01-29
Publication Date
2011-08-03
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing technology makes it difficult to effectively utilize discarded magnesia carbon brick resources, resulting in waste of resources and failure to fully utilize economic benefits.

Method used

Through a series of process steps, including raw material sorting, skin iron removal, hydration treatment, baking, jaw crusher crushing, particle processing, powerful magnetic separation and screening, magnesium carbon granular products are produced to completely remove impurities and avoid Pickling discharge.

Benefits of technology

It achieves high-quality extraction of magnesia carbon particles, ensuring that the product is pure and free of impurities. It can be used as a substitute for fused magnesia, improving the recycling efficiency of resources and energy saving and consumption reduction of steel companies.

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Abstract

The invention relates to a production process for extracting magnesium-carbon particles, in particular relates to a production process for extracting magnesium-carbon particles by utilizing waste ladle magnesium-carbon bricks. The production process is characterized by comprising the following steps: (1) sorting raw materials; (2) removing scale iron; (3) carrying out hydration treatment; (4) braking; (5) crushing with a jaw breaker; (6) carrying out particle treatment; (7) carrying out brute force magnetic separation treatment; (8) carrying out screen treatment; and (9) preparing the magnesium-carbon particle product. Compared with the prior art, no impurities exist in the process of slag iron treatment, grade is good, and no pickling liquid is discharged; and the magnesium-carbon particle raw material treated by the process can be used as a substitute of fused magnesia to return back to production for use.
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