Lightweight construction waste regenerated brick and preparation method thereof

A technology of construction waste and recycled bricks, which is applied to ceramic products, clay products, and other household appliances to achieve the effect of reducing structural defects, reducing the possibility of defects, and improving strength

Active Publication Date: 2022-05-13
深圳市坤鹏环保建筑废料处理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to improve this defect, the application provides a light construction waste regenerated brick and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0044] In this application, the dewatered sludge is prepared according to the following method:

[0045] (1) Mix 60kg wet sludge, 1kg sodium persulfate and 3kg carbonization aid evenly, and spread the mixed product into layers according to the paving thickness of 5cm, and let it stand until the surface of the mixed product is in a saturated surface dry state, Obtain the ready-mixed mixture; in this step, the charring aid is hydroxypropyl distarch phosphate;

[0046] (2) Stir the ready-mixed mixture and 5 kg of water-absorbing agent evenly, and dry at 105° C. for 24 hours to obtain dewatered sludge; in this step, the water-absorbing agent is sodium polyacrylate.

preparation example 2

[0048] The difference between this preparation example and preparation example 1 is that the charring aid is phytic acid.

preparation example 3

[0050] The difference between this preparation example and preparation example 1 is that the water absorbing agent is anhydrous calcium sulfate.

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Abstract

The invention relates to the technical field of regenerated bricks, and particularly discloses a lightweight construction waste regenerated brick and a preparation method thereof. The regenerated brick is prepared from an aged brick making blank through compaction molding and sintering, the brick making blank comprises the following components in parts by weight: 50-70 parts of light solid waste filler, 30-50 parts of red mud, 40-60 parts of clay, 6-10 parts of a molding agent, 8-12 parts of an anti-cracking agent and 36-48 parts of water, and the component of the light solid waste filler comprises regenerated concrete powder. The recycled concrete powder is a crushed product of waste aerated concrete, and the average particle size of the recycled concrete powder is 420-480 [mu] m. Structural defects in the light solid waste filler are reduced, and meanwhile, the red mud is utilized to activate a cementing material in the recycled concrete powder, so that the strength of the recycled brick is improved.

Description

technical field [0001] The present application relates to the technical field of recycled bricks, more specifically, it relates to a lightweight construction waste recycled brick and a preparation method thereof. Background technique [0002] Construction waste refers to the dregs, spoils, waste materials, silt and other wastes generated during the construction, laying or demolition, and repair of various buildings, structures, and pipe networks by construction units or individuals. Waste is difficult to transport and dispose of, so there are still a large amount of waste being disposed of in a centralized pile or buried on the spot, which not only occupies land resources, but may also pollute the environment. With the advancement of material science and technology, one of the promising construction waste disposal methods is to use construction waste to produce recycled building materials. [0003] In the related art, there is a light-weight construction waste regenerated b...

Claims

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Application Information

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IPC IPC(8): C04B33/132C04B33/13C04B33/135C04B38/06
CPCC04B33/1324C04B33/1322C04B33/1321C04B33/132C04B33/1355C04B33/13C04B38/067C04B38/0645C04B2235/5427Y02P40/60
Inventor 张军贤马占坤雷慧马瑞
Owner 深圳市坤鹏环保建筑废料处理有限公司
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