Mortar dry powder for building and plastering

A mortar dry powder and masonry technology, which is applied in the field of mortar dry powder, can solve problems such as hidden dangers of mortar quality, increased layering, and poor workability, and achieve the effects of good bonding strength, saving construction costs, and low prices

Inactive Publication Date: 2015-04-08
MUDANJIANG GUANGMING NEW WALL MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a kind of mortar using fly ash to prepare masonry mortar and plastering mortar with high-grade cement at present. Method for preparing dry mortar powder for masonry plastering with slag and calcareous desulfurization product gypsum as raw materials

Method used

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  • Mortar dry powder for building and plastering

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Effect test

Embodiment 1

[0016] Embodiment 1, dry mortar powder for masonry plastering, which is prepared from fly ash slag, calcareous desulfurization product gypsum, lime and activator as raw materials. The specific preparation steps are:

[0017] 1) Mix calcareous desulfurization product gypsum with water at a weight ratio of 1:2, heat, impregnate and stir until boiling for 10 minutes, then filter, and use the filtrate and filter residue separately;

[0018] 2) Crush the fly ash with a particle size greater than 1mm, and use a 1mm mesh sieve instead of crushing the fly ash with a particle size not greater than 1mm;

[0019] 3) The sieved fly ash slag and calcareous desulfurization product hot-boiling impregnated filtrate are mixed according to the weight ratio of 2:1;

[0020] 4) The sieved fly ash residue and calcareous desulfurization product hot-boiling impregnated filter residue are mixed in a weight ratio of 1:1;

[0021] 5) Preparation of activator: Take 1 weight part of stearic acid and ...

Embodiment 2

[0028] Embodiment 2, dry mortar powder for masonry plastering, which is prepared from fly ash slag, calcareous desulfurization product gypsum, lime and activator as raw materials. The specific preparation steps are:

[0029] 1) Mix calcareous desulfurization product gypsum with water at a weight ratio of 1:2.5, heat, impregnate and stir until boiling for 20 minutes, then filter, and use the filtrate and filter residue separately;

[0030] 2) Crush the fly ash with a particle size greater than 1mm, and use a 1mm mesh sieve instead of crushing the fly ash with a particle size not greater than 1mm;

[0031] 3) The sieved fly ash and calcareous desulfurization product hot-boiling impregnated filtrate are mixed according to the weight ratio of 2.5:1;

[0032] 4) The sieved fly ash residue and calcareous desulfurization product hot-boiling impregnated filter residue are mixed in a weight ratio of 1:1;

[0033] 5) Preparation of activator: Take 1 weight part of stearic acid and a...

Embodiment 3

[0038] Embodiment 3, dry mortar powder for masonry plastering, which is prepared from fly ash slag, calcareous desulfurization product gypsum, lime and activator as raw materials. The specific preparation steps are:

[0039] 1) Mix calcareous desulfurization product gypsum with water at a weight ratio of 1:3, heat, impregnate and stir until boiling for 30 minutes, then filter, and use the filtrate and filter residue separately;

[0040] 2) Crush the fly ash with a particle size greater than 1mm, and use a 1mm mesh sieve instead of crushing the fly ash with a particle size not greater than 1mm;

[0041] 3) The sieved fly ash slag and calcareous desulfurization product hot-boiling impregnated filtrate are mixed according to the weight ratio of 3:1;

[0042] 4) The sieved fly ash residue and calcareous desulfurization product hot-boiling impregnated filter residue are mixed in a weight ratio of 1:1;

[0043] 5) Preparation of activator: Take 1 weight part of stearic acid and ...

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Abstract

The invention relates to mortar dry powder for building and plastering. The mortar dry powder is prepared from coal ash slag, a calcium desulfurization product, lime and an activator. The mortar dry powder for building and plastering has the advantages of good water-retaining property, low bleeding and separating possibility, anti-seepage, anti-freezing and anti-cracking performances, good bonding strength, easy construction, low cost and reduction of building cost. The mortar dry powder can properly solve the problems in preparation of building and plastering mortar by using high-quality cement, has remarkable environmental and social effects, meets the national policy of waste recycle, and complies with modern construction technique and quality management level.

Description

technical field [0001] The invention relates to building materials, in particular to a dry mortar powder prepared from fly ash and calcareous desulfurization product gypsum as raw materials. Background technique [0002] Thermal power plants generally use coal as fuel to generate electricity, and produce a large amount of industrial solid waste such as fly ash and desulfurized gypsum every year. If these wastes are not utilized, they will occupy a large amount of land and pollute the environment. This problem has always been a problem. A major problem that plagues the operation of thermal power plants. According to statistics, until 2012, China's annual cement output has exceeded one billion tons, of which 25-40% is used for sand construction projects. Since the implementation of the new cement standard, most of the cement produced by cement enterprises across the country is high-grade cement, lacking low-grade cement, and the production of high-grade cement requires a larg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/14
Inventor 曲英文黄明张国毅
Owner MUDANJIANG GUANGMING NEW WALL MATERIALS
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