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Environment-friendly and economical muck brick and preparation method thereof

An economical, muck technology, applied in sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the hidden dangers of muck stacking, visual pollution, occupation of large land resources, etc., to achieve good market value, The effect of good economy and simple operation process

Inactive Publication Date: 2021-09-03
NANJING UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the muck is directly stacked in the suburbs, it will take up a lot of land resources, and will also generate a lot of garbage removal fees
At the same time, stacking muck will also bring many hidden dangers, and the illegal stacking of muck will also bring visual pollution to the people and damage to the beautiful environment. Therefore, whether the muck can be disposed of reasonably has become a must in the construction of an urban ecological civilization. Neglected problems, for this reason, we propose an environmentally friendly and economical muck bricklaying and its preparation method

Method used

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  • Environment-friendly and economical muck brick and preparation method thereof
  • Environment-friendly and economical muck brick and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] 15 parts of cement, 78 parts of engineering slag and 28 parts of construction regenerated stone powder were added to the mixing machine in order and carried out dry mixing for 2 minutes by mass parts, and the stirring speed was 70 rpm. Specifically, ordinary Portland cement with a grade of 42.5 is used for cement, and the engineering dregs need to be dried to a moisture content of less than 10%, and then crushed with a crusher, and the dregs with a particle size of less than 2.5mm are taken, and the recycled stone powder for construction needs to be granulated The part with a diameter of 0.25-0.5mm.

[0032] The water reducer is a powder composite water reducer made by mixing melamine water reducer and sodium wood sulfonate with a mass ratio of 1:1.

[0033] On the basis of dry mixing, 15 parts by mass of city tap water were added to carry out sufficient wet mixing, mechanically stirred for 3 minutes, and the stirring speed was 70 rpm.

[0034] The resulting wet-mixed ...

Embodiment 2

[0037] Weigh 40 parts of slag, 15 parts of sodium silicate, 30 parts of water reducing agent, and 10 parts of calcium chloride according to the parts by mass; under normal room temperature, add the above raw materials into a mechanical mixer, stir for 2 minutes, and the speed of the mixer is 70rpm , the obtained mixture is an environmentally friendly and economical powder additive for muck-soil bricklaying.

[0038] The water reducer is a powder composite water reducer made by mixing melamine water reducer and sodium wood sulfonate with a mass ratio of 1:1.

[0039] According to the mass parts, 15 parts of cement, 68 parts of engineering slag, 28 parts of construction regenerated stone powder and 3 parts of modified admixture were sequentially added to the mixing machine for 2 minutes of dry mixing, and the stirring speed was 70rpm. Specifically, ordinary portland cement with a grade of 42.5 is used for cement, and the engineering dregs need to be dried to a moisture content o...

Embodiment 3

[0044] Weigh 40 parts of slag, 15 parts of sodium silicate, 30 parts of water reducing agent, and 10 parts of calcium chloride according to the parts by mass; under normal room temperature, add the above raw materials into a mechanical mixer, stir for 2 minutes, and the speed of the mixer is 70rpm , the obtained mixture is an environmentally friendly and economical powder additive for muck-soil bricklaying.

[0045] The water reducer is a powder composite water reducer made by mixing melamine water reducer and sodium wood sulfonate with a mass ratio of 1:1.

[0046]According to the mass parts, 20 parts of cement, 63 parts of engineering slag, 30 parts of construction regenerated stone powder and 3 parts of modified admixture were sequentially added to the mixing machine for dry mixing. The mixing time was 2 minutes and the stirring speed was 70rpm. Specifically, the cement is ordinary Portland cement with a grade of 42.5. The engineering dregs need to be dried to a moisture co...

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Abstract

The invention discloses an environment-friendly and economical muck brick and a preparation method thereof. The environment-friendly and economical muck brick is prepared from cement, engineering muck, building regenerated stone powder and an admixture, wherein the admixture is prepared from slag, sodium silicate, a water reducing agent and calcium chloride. The environment-friendly and economical muck brick and the preparation process thereof are suitable for mechanical production, the operation process is simple, and direct industrial production can be achieved. Compared with a common concrete brick, the environment-friendly and economical muck brick has the advantages that the strength of the environment-friendly and economical muck brick is not reduced, the muck is consumed, a new thought is provided for solving the problem of muck recycling, the environment-friendly and economical muck brick produced by the method is better in economical efficiency and higher in economic benefit due to the fact that the price of the muck is lower, and the brick has good potential market value and can replace concrete bricks to be applied to filling and partition of some non-bearing structures.

Description

technical field [0001] The invention relates to the technical field of construction and municipal engineering, in particular to an environmentally friendly and economical muck-soil brick and a preparation method thereof. Background technique [0002] Engineering slag refers to spoils, waste materials and other wastes generated during the process of new construction, reconstruction, expansion and demolition of buildings, structures and pipe networks. In recent years, with the continuous advancement of urban construction, more and more high-rise buildings have sprung up, highways extend in all directions, and subway lines intersect vertically and horizontally. However, the vigorous development of all walks of life has also brought about a sharp increase in muck emissions. If the slag is directly stacked in the suburbs, it will take up a lot of land resources, and will also generate a lot of garbage removal fees. At the same time, stacking muck will also bring many hidden dan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/26C04B18/14
CPCC04B28/26C04B18/141C04B2201/50C04B2103/302C04B7/02C04B22/124C04B18/16Y02W30/91
Inventor 徐金俊朱志蒙马积兵朱林袁梦骆朝辉刘遵良克里斯托弗罗·德马蒂诺
Owner NANJING UNIV OF TECH
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