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Water-permeable bricks prepared from granite stone waste materials and preparation method thereof

A stone waste and granite technology, applied in the field of building materials, can solve the waste of stone resources and other problems, achieve the effect of solving environmental protection problems, high strength, and expanding the scope of raw material supply

Active Publication Date: 2018-11-16
SHANDONG UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the production process still generally adopts the traditional production method, and a large amount of leftover materials, sawdust, grinding dust, saw mud and other wastes are produced in the process of stone sawing and grinding, which directly leads to a serious waste of stone resources.

Method used

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  • Water-permeable bricks prepared from granite stone waste materials and preparation method thereof
  • Water-permeable bricks prepared from granite stone waste materials and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 1-5mm granite stone particles, 1-5mm high-alumina bauxite aggregate particles, 200-mesh granite stone saw mud, 325-mesh high-alumina bauxite fine powder, 325-mesh kaolin, and aluminum sol solution with a mass concentration of 25% respectively according to 57 : 12:10:7:7:7 weight ratio mixed evenly to make permeable brick mixture.

[0025] Fill the above-mentioned permeable brick mixture into the metal brick mold of the press, press molding at one time, and the molding pressure is 23MPa; after the pressed brick is dried at 110°C for 9 hours, it is fired at a high temperature of 1100°C, and the granite is obtained after cooling Stone waste permeable bricks. The performance indicators of permeable bricks are shown in Table 1.

Embodiment 2

[0027] 1-5mm granite stone particles, 1-5mm high-alumina bauxite aggregate particles, 200-mesh granite stone sawing mud, 325-mesh high-alumina bauxite fine powder, 325-mesh Suzhou soil, and aluminum sol solution with a mass concentration of 25% respectively according to The weight ratio of 59:10:12:7:6:6 is mixed evenly to make a permeable brick mixture.

[0028] Fill the above-mentioned permeable brick mixture into the metal brick mold of the press, press molding at one time, and the molding pressure is 25MPa; after the pressed brick is dried at 110°C for 9 hours, it is fired at a high temperature of 1110°C, and the granite is obtained after cooling Stone waste permeable bricks. The performance indicators of permeable bricks are shown in Table 1.

Embodiment 3

[0030] 1-5mm granite stone particles, 1-5mm high-alumina bauxite aggregate particles, 200-mesh granite stone saw mud, 325-mesh high-alumina bauxite fine powder, 325-mesh bentonite, and aluminum sol solution with a mass concentration of 25% respectively according to 60 : 10: 15: 5: 5: 5 weight ratio mixed evenly to make permeable brick mixture.

[0031] Fill the above-mentioned permeable brick mixture into the metal brick mold of the press, press molding at one time, and the molding pressure is 23MPa; after the pressed brick is dried at 110°C for 9 hours, it is fired at a high temperature of 1120°C, and the granite is obtained after cooling Stone waste permeable bricks. The performance indicators of permeable bricks are shown in Table 1.

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Abstract

The invention belongs to the technical field of building materials and in particular relates to water-permeable bricks prepared from granite stone waste materials and a preparation method thereof. Thewater-permeable bricks prepared from the granite stone waste materials are prepared from granite stone grains, high-bauxite aggregate grains, granite stone mud, plastic clay, high-bauxite fine powderand an auxiliary binding agent according to the weight ratio of (55 to 65) to (8 to 12) to (10 to 15) to (5 to 8) to (5 to 8) to (5 to 8). The water-permeable bricks prepared by the invention have the following two remarkable advantages that firstly, the water-permeable bricks have good water permeability and relatively high strength; secondly, a lot of the waste materials in a granite stone production region can be consumed and wastes are changed into valuable things; a raw material supply range of the water-permeable bricks is expanded; meanwhile, the local environment protection problem issolved.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a permeable brick prepared from granite stone waste and a preparation method thereof. Background technique [0002] Permeable bricks have been regarded as one of the important basic materials for sponge city construction because of their high strength and good water permeability. Especially since my country launched the sponge city construction plan in recent years, the number of sponge city pilot cities has continued to increase, and the demand for permeable bricks in various places has been strong year by year, and the market prospect is very promising. [0003] my country's stone resources are widely distributed, with many varieties, mainly marble and granite, and most of them are concentrated in coastal provinces, such as Shandong, Zhejiang, Fujian and other places. Wulian County, Rizhao City, Shandong Province is rich in stone resources. The stone res...

Claims

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Application Information

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IPC IPC(8): C04B35/16C04B35/622C04B38/00
CPCC04B35/16C04B35/622C04B38/0041C04B2235/3217C04B2235/3218C04B2235/349C04B2235/5427C04B2235/5436C04B2235/602C04B2235/606C04B2235/656C04B2235/6567C04B2235/96
Inventor 乐红志许业莲许同昊刘曙光
Owner SHANDONG UNIV OF TECH
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