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Production process for construction waste concrete porous brick

A construction waste and production process technology, applied in the direction of manufacturing tools, ceramic molding machines, etc., can solve the problems of low utilization rate, reduce water absorption and shrinkage rate, improve comprehensive performance, improve workability and thermal insulation performance.

Inactive Publication Date: 2017-01-18
明光市凯旋新型建材厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Construction waste is mainly composed of inorganic non-metallic substances such as waste bricks, waste concrete, and waste mortar. In addition, there are a small amount of steel, wood, glass, plastic, etc. These substances are recyclable and reused. of steel, wood, and plastic are recycled, and the utilization rate of the rest is extremely low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A production process of construction waste concrete porous bricks, comprising the steps of:

[0028] (1) Raw material selection

[0029] Select sintered bricks, mortar, expanded vitrified microspheres and concrete as raw materials, the proportion of the sintered bricks is 40%, the proportion of the mortar is 35%, the proportion of the concrete is 23.2%, and the expanded vitrified microspheres The addition of beads is 1.8%;

[0030] (2) Broken

[0031] Then the selected raw materials are crushed in the jaw crusher respectively, and the crushing time is 20min;

[0032] (3) Mixing

[0033] Then the crushed raw material and auxiliary agent are placed in a mixer for stirring and mixing, and the stirring time is 15 minutes;

[0034] (4) aging

[0035] Add water to the material after mixing and carry out aging treatment in the aging warehouse. The aging time is 3 days, and the aging temperature is 30°C. After the aging, the material is stuffed, and the stuffed material T...

Embodiment 2

[0043] A production process of construction waste concrete porous bricks, comprising the steps of:

[0044] (1) Raw material selection

[0045] Select sintered bricks, mortar, expanded vitrified microspheres and concrete as raw materials, the proportion of the sintered bricks is 40%, the proportion of the mortar is 30%, the proportion of the concrete is 28%, and the expanded vitrified microspheres The addition of beads is 2.0%;

[0046] (2) Broken

[0047] Then the selected raw materials are crushed in the jaw crusher respectively, and the crushing time is 25min;

[0048] (3) Mixing

[0049] Then the crushed raw material and auxiliary agent are placed in a mixer for stirring and mixing, and the stirring time is 20 minutes;

[0050] (4) aging

[0051] Add water to the material after mixing and carry out aging treatment in the aging warehouse. The aging time is 4 days, and the aging temperature is 40°C. After the aging, the material is stuffed, and the stuffed material The...

Embodiment 3

[0059] A production process of construction waste concrete porous bricks, comprising the steps of:

[0060] (1) Raw material selection

[0061] Select sintered bricks, mortar, expanded vitrified microspheres and concrete as raw materials, the proportion of the sintered bricks is 35%, the proportion of the mortar is 35%, the proportion of the concrete is 27.6%, and the expanded vitrified microspheres The addition of beads is 2.4%;

[0062] (2) Broken

[0063] Then the selected raw materials are crushed in the jaw crusher respectively, and the crushing time is 30min;

[0064] (3) Mixing

[0065] Then the crushed raw material and auxiliary agent are placed in a mixer for stirring and mixing, and the stirring time is 25 minutes;

[0066] (4) aging

[0067] Add water to the mixed material and carry out aging treatment in the aging warehouse. The aging time is 5 days, and the aging temperature is 50°C. After the aging, the material is stuffed, and the stuffed material is The t...

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Abstract

The invention discloses a production process for a construction waste concrete porous brick; raw materials also include expanded vitrified micro-beads, the workability and thermal insulation performance of concrete can be improved, the water absorption rate and the shrinkage rate of the concrete are reduced, and the comprehensive performance of the porous brick is improved; after aging, the materials are tightly covered to make the materials mixed evenly; pores of a green brick of the porous brick are conical round pores, and thus masonry mortar can be prevented from entering the pores so as to prevent from affecting the thermal insulation performance of the porous brick; with control of the temperature and humidity of a constant-temperature and constant-humidity curing room, forming of the porous brick can be ensured. The porous brick produced by the production process has the advantages of high compressive strength, low heat conductivity coefficient, huge market potential and broad prospects.

Description

technical field [0001] The invention belongs to the production field of porous bricks, more specifically, the invention relates to a production process of construction waste concrete porous bricks. Background technique [0002] With the accelerated development of my country's industrialization and urbanization process, the construction industry is also developing rapidly at the same time, and the accompanying construction waste is also increasing. Construction waste is not garbage, but misplaced resources. Construction waste is mainly composed of inorganic non-metallic substances such as waste bricks, waste concrete, and waste mortar. In addition, there are a small amount of steel, wood, glass, plastic, etc. These substances are recyclable and reused. Most of the steel, wood, and plastic are recycled, and the utilization rate of the rest is extremely low. The use of construction waste mixed aggregates to produce concrete porous bricks, on the one hand, can solve the proble...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00B28B3/02B28B1/08
CPCC04B28/00B28B3/022C04B2111/40C04B2201/32C04B2201/50C04B18/167C04B14/22
Inventor 崔旋
Owner 明光市凯旋新型建材厂
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