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Preparation process for producing baking-free brick from household garbage incineration furnace slag

A technology for domestic waste incineration and preparation process, which is applied in the field of solid waste resource utilization and building materials, and can solve problems such as secondary pollution, hidden dangers of environmental pollution, and restrictions on the popularization and application of waste incineration technology.

Inactive Publication Date: 2018-08-24
上海秦望环保材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Domestic waste incineration disposal is a reduction and efficient disposal method, but the waste generated by it - incineration slag improper disposal may cause secondary pollution problems, which limits the popularization and application of waste incineration technology
At present, the incineration slag produced in large quantities is mainly disposed of in landfill, which not only occupies a large amount of land, causes waste of resources, but also has hidden dangers of environmental pollution

Method used

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  • Preparation process for producing baking-free brick from household garbage incineration furnace slag

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A preparation process for preparing burn-free bricks by utilizing domestic waste incineration slag, comprising the following steps:

[0017] In the first step, after the domestic waste incinerator slag is manually sorted, crushed, screened, washed with water and magnetically separated, the particle size of the recycled aggregate obtained from the domestic waste incinerator slag is 0-10 mm.

[0018] In the second step, the domestic waste incineration slag regenerated aggregate, mining and mineral processing waste slag and cement generated in the first step are mixed and stirred, and the mass percentage of the domestic waste incineration slag regenerated aggregate, mining and mineral processing waste slag and cement is 55:35:10.

[0019] In the third step, the dry mixture generated in the second step is added with water and stirred evenly, and the mass ratio of the dry mixture to water is 92:8. It is pressed and formed by a hydraulic forming machine, and the pressure is 4...

Embodiment 2

[0022] A preparation process for preparing burn-free bricks by utilizing domestic waste incineration slag, comprising the following steps:

[0023] In the first step, after the domestic waste incinerator slag is manually sorted, crushed, screened, washed with water and magnetically separated, the particle size of the recycled aggregate obtained from the domestic waste incinerator slag is 0-10mm.

[0024] In the second step, the domestic waste incineration slag regenerated aggregate, mining ore dressing waste slag and cement generated in the first step are mixed and stirred, and the mass percentage of the domestic waste incineration slag regenerated aggregate, mining ore beneficiation waste slag and cement is 60:25:15.

[0025] In the third step, the dry mixture generated in the second step is added with water and stirred evenly, and the mass ratio of the dry mixture to water is 90:10. It is pressed and formed by a hydraulic forming machine, and the pressure is 35MPa.

[0026]...

Embodiment 3

[0028] A preparation process for preparing burn-free bricks by utilizing domestic waste incineration slag, comprising the following steps:

[0029] In the first step, after the domestic waste incinerator slag is manually sorted, crushed, screened, washed with water and magnetically separated, the particle size of the recycled aggregate obtained from the domestic waste incinerator slag is 0-10mm.

[0030] In the second step, the domestic waste incineration slag regenerated aggregate, mining ore dressing waste slag and cement generated in the first step are mixed and stirred, and the mass percentage of the domestic waste incineration slag regenerated aggregate, mining ore beneficiation waste slag and cement is 65:27:8.

[0031] In the third step, the dry mixture generated in the second step is added with water and stirred evenly, and the mass ratio of the dry mixture to water is 95:5. It is pressed and formed by a hydraulic forming machine, and the pressure is 40MPa.

[0032] I...

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Abstract

The invention discloses a preparation process for producing a baking-free brick from household garbage incineration furnace slag. The preparation process comprises the following steps: mixing the pretreated household garbage incineration furnace slag, mining and mineral separation waste residue and cement according to a ratio, and adopting a high-pressure molding process to prepare the high-strength baking-free brick product after uniformly stirring. The household garbage incineration furnace slag is pretreated, the high-pressure molding process is adopted, the utilization of the household garbage incineration furnace slag in the baking-free brick is realized, a new way is explored for comprehensively using the household garbage incineration furnace slag, the household garbage incinerationfurnace slag treatment pressure in the urbanization process is effectively relieved, and the preparation process has remarkable environment and social benefits.

Description

technical field [0001] The invention belongs to the technical field of solid waste resource utilization and building materials, and in particular relates to a preparation process for preparing non-burning bricks by utilizing domestic waste incineration slag. Background technique [0002] With the acceleration of the urbanization process, the discharge of domestic waste has increased rapidly, which has brought significant pressure to urban development. my country has successively promulgated the "Law of the People's Republic of China on the Prevention and Control of Environmental Pollution by Solid Waste", "Law of the People's Republic of China on Promotion of Circular Economy", etc. The laws and regulations on solid waste treatment and disposal have promoted the treatment and disposal of domestic waste. Domestic waste incineration disposal is a reduction and efficient disposal method, but improper disposal of the waste generated by it—incineration slag may cause secondary pol...

Claims

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Application Information

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IPC IPC(8): C04B28/00
CPCC04B28/00C04B2201/20C04B2201/50C04B18/10C04B18/12
Inventor 李运杰刘广森
Owner 上海秦望环保材料有限公司
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