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Low silicon iron tailing autoclaved brick and preparing method thereof

A technology of autoclaved bricks and ferrosilicon, applied in the direction of sustainable waste treatment, solid waste management, climate sustainability, etc., can solve problems such as ecological environmental hazards, waste of resources, and unreasonable use of mineral resources, and achieve pollution reduction , Low production cost, low cost effect

Inactive Publication Date: 2016-07-20
DALIAN DEETOP HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention proposes a low-silicon iron tailings autoclaved brick and its preparation method, which solves the problem that a large number of low-silicon iron tailings mineral resources in the prior art have not been rationally utilized, resulting in resource waste and causing harm to the ecological environment.

Method used

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  • Low silicon iron tailing autoclaved brick and preparing method thereof

Examples

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Effect test

Embodiment 1

[0026] The low-silicon iron tailings autoclaved brick in this embodiment is made from the following raw materials: main material, gypsum and water; the mass percentage of gypsum in the main material is 1%, and the mass percentage of water in the main material is 15%;

[0027] The main ingredients include 65% of low-silicon iron tailings, 20% of yellow sand and 15% of lime, and the sum of the mass percentages of low-silicon iron tailings, yellow sand and lime is 100%.

[0028] The particle size of yellow sand is 0.6mm-1.6mm.

[0029] The preparation method of the low-silicon iron tailings autoclaved brick in the present embodiment is as follows:

[0030] (1) Ingredients: each raw material is taken according to the mass percentage,

[0031] Main ingredients: 65% low silicon iron tailings, 20% yellow sand, 15% lime;

[0032] Gypsum: 1% of the main ingredient;

[0033] Water: 15% of the main ingredient;

[0034] (2) Mixing: Dry mix low-silicon iron tailings, yellow sand, lime ...

Embodiment 2

[0039] The low-silicon iron tailings autoclaved brick in this embodiment is made from the following raw materials: main material, gypsum and water; the mass percentage of gypsum in the main material is 1%, and the mass percentage of water in the main material is 15%;

[0040] The main ingredients include 70% of low-silicon iron tailings, 18% of yellow sand and 12% of lime, and the sum of the mass percentages of low-silicon iron tailings, yellow sand and lime is 100%.

[0041] The particle size of yellow sand is 0.6mm-1.6mm.

[0042] The preparation method of the low-silicon iron tailings autoclaved brick in the present embodiment is as follows:

[0043] (1) Ingredients: each raw material is taken according to the mass percentage,

[0044] Main ingredients: 70% low-silicon iron tailings, 18% yellow sand, 12% lime;

[0045] Gypsum: 1% of the main ingredient;

[0046] Water: 15% of the main ingredient;

[0047] (2) Mixing: Dry mix low-silicon iron tailings, yellow sand, lime ...

Embodiment 3

[0052] The low-silicon iron tailings autoclaved brick in this embodiment is made from the following raw materials: main material, gypsum and water; the mass percentage of gypsum in the main material is 1%, and the mass percentage of water in the main material is 15%;

[0053] The raw materials and mass percentages of the main ingredients are: 75% of low-silicon iron tailings, 15% of yellow sand and 10% of lime, and the sum of the mass percentages of low-silicon iron tailings, yellow sand and lime is 100%.

[0054] The particle size of yellow sand is 0.6mm-1.6mm.

[0055] The preparation method of the low-silicon iron tailings autoclaved brick in the present embodiment is as follows:

[0056] (1) Ingredients: each raw material is taken according to the mass percentage,

[0057] Main ingredients: 75% low silicon iron tailings, 15% yellow sand, 10% lime;

[0058] Gypsum: 1% of the main ingredient;

[0059] Water: 15% of the main ingredient;

[0060] (2) Mixing: Dry mix low-si...

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Abstract

The invention provides a low silicon iron tailing autoclaved brick.The low silicon iron tailing autoclaved brick is prepared from main materials, gypsum and water, wherein gypsum accounts for 1% of the main materials by mass, and water accounts for 15% of the main materials by mass.The main materials include, by mass, 65-75% of low silicon iron tailings, 15-20% of yellow sand and 10-15% of lime, and the total mass percentage of low silicon iron tailings, yellow sand and lime is 100%.The invention further discloses a preparing method of the low silicon iron tailing autoclaved brick.The technology is simple, production cost is low, low silicon iron tailing resources are recycled, and pollution of tailings to the environment is relieved; besides, the prepared autoclaved brick is low in cost and high in strength and has high economic benefits.

Description

technical field [0001] The invention relates to the technical field of tailings utilization, in particular to a low-silicon iron tailings autoclaved brick and a preparation method thereof. Background technique [0002] Iron tailings are solid waste discharged from the iron ore beneficiation process. With the rapid development of my country's national economy and the rapid development of the iron and steel industry, the amount of iron ore mining continues to increase, and more and more tailings are discharged from iron ore factories. However, the comprehensive utilization rate of iron tailings in my country is not high, and tailings ponds are usually built for stockpiling, which not only has high operating costs, but also occupies land and pollutes the surrounding environment, and also brings potential safety hazards. [0003] Low-silicon iron tailings are an important part of iron tailings, but due to the complex mineral composition of low-silicon iron tailings, comprehensi...

Claims

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Application Information

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IPC IPC(8): C04B28/14C04B14/06C04B18/12C04B22/06
CPCC04B28/14C04B18/12C04B14/06C04B22/064Y02W30/91
Inventor 马跃高树龙李伟张勇王鞍山路畅韩洪鹏
Owner DALIAN DEETOP HEAVY IND