Sintered brick prepared from wastes and preparation method thereof

A technology for sintered bricks and wastes, which is applied in the field of preparation of waste sintered bricks and waste sintered bricks, can solve the problems of occupying large land and pile up at fixed points, and achieve the effect of strong pressure bearing capacity and low density.

Active Publication Date: 2015-04-01
FOSHAN CITY GAOMING DISTRICT CHENGMINGCHENG NOVELWALL MATERIAL FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, industries such as ceramics, cement, and coal mines also produce a lot of solid waste, which takes up a lot of land and is piled up at fixed points. If it can be rationally used in the field of brick making, it can well slow down the damage caused by the above industries to the environment. Therefore, it is necessary to improve the existing The brick making method can use a variety of waste materials to prepare bricks that meet production standards

Method used

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  • Sintered brick prepared from wastes and preparation method thereof

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preparation example Construction

[0036] Such as figure 1 Shown, a kind of preparation method of waste material sintered brick of the present invention comprises the following steps:

[0037] S100 crushes and grinds the solid waste in the formula raw materials, mixes it with water according to the proportion and stirs it evenly to obtain the mixture.

[0038] Wherein, the formula includes raw materials by weight percentage: 92-98% solid waste and 2-8% water; wherein the solid waste includes the following:

[0039] Ceramic waste 25-35%;

[0040] Cement dust 2-5%;

[0041] Cinder 22-30%;

[0042] Coal gangue 5-30%;

[0043] Construction river silt 10-15%.

[0044] It should be noted that the ceramic waste in the present invention includes ceramic slag and ceramic waste sludge, and the ratio of the ceramic slag to the ceramic waste sludge is 1:0.5-2.5.

[0045] The ceramic waste, coal cinder, coal gangue and construction river silt in the formula raw materials are first pulverized by a pulverizer to reduce ...

Embodiment 1

[0056] According to the percentage by weight, 26% ceramic waste, 3% cement dust, 28% cinder, 24% coal gangue and 12% construction river silt are crushed and ground to a particle size of ≤ 200 mesh, then mixed with 7% water and stirred evenly to obtain a mixed material;

[0057] The mixture is extruded into bricks through a vacuum brick extruder, the vacuum of the vacuum brick extruder is 0.5Mpa, and the extrusion pressure is 6Mpa;

[0058] After drying for 10 days, the adobe is sintered at 850°C for 27 hours to form it, and finally it is cooled and inspected to obtain the finished product.

Embodiment 2

[0060]According to the percentage by weight, 28% ceramic waste, 4% cement dust, 25% cinder, 29% coal gangue and 10% construction river silt are crushed and ground to a particle size of ≤200 mesh, then mixed with 4% water and stirred evenly to obtain a mixed material;

[0061] Extrude the mixture into adobe through a vacuum brick extruder, the vacuum degree of the vacuum brick extruder is 0.6Mpa, and the extrusion pressure is 7Mpa;

[0062] After drying for 10 days, the adobe is sintered at 880°C for 25 hours to form it, and finally it is cooled and inspected to obtain the finished product.

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Abstract

The invention discloses a sintered brick prepared from wastes. The sintered brick comprises the following raw materials in percentages by weight: 92-98% of solid wastes and 2-8% of water, wherein the solid wastes comprise the following components: 25-35% of ceramic wastes, 2-5% of cement dust, 22-30% of coal slag, 5-30% of coal gangue and 10-15% of building river silt. The invention also discloses a preparation method of the sintered brick prepared from wastes. By the preparation method, the brick prepared from the wastes, which has the advantages of large strength and good plasticity, can be obtained and thus the problem of stacking of wastes in multiple industries is solved and the environmental damage is decreased.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a waste material sintered brick; correspondingly, the invention also relates to a preparation method of the waste material sintered brick. Background technique [0002] At present, most bricks are prepared by sintering clay. However, with the increase of clay mining, clay resources are increasingly scarce, which not only increases the mining cost, but also has a serious impact on the ecological environment. Therefore, it is urgent to optimize and improve the existing bricks. There are brick-making methods to change the status quo. Now there is a brick-making method that uses river silt as the main raw material, which not only solves the problem of silt placement caused by river silt control, but also replaces traditional brick-making raw materials to reduce damage to the environment. However, industries such as ceramics, cement, and coal mines also produce a lot of solid waste,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B30/00C04B18/30
CPCY02W30/91
Inventor 郑建钦
Owner FOSHAN CITY GAOMING DISTRICT CHENGMINGCHENG NOVELWALL MATERIAL FACTORY
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