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A kind of magnesium oxysulfate cement lightweight foam brick and preparation method thereof

A technology of magnesium oxysulfide cement and foamed bricks, which is applied in ceramic products, other household appliances, household appliances, etc., to achieve the effects of excellent bending resistance, reduced water absorption rate, and strong water resistance

Inactive Publication Date: 2018-11-30
内蒙古中鼎工正环保有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention mainly aims at the defects of existing foam bricks, and provides a magnesium oxysulfate cement lightweight foam brick with stable performance and its preparation method, which effectively utilizes desulfurization by-products, solid waste fly ash of power plants and agricultural waste straw Powder, realizes turning waste into treasure, has high application value

Method used

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  • A kind of magnesium oxysulfate cement lightweight foam brick and preparation method thereof
  • A kind of magnesium oxysulfate cement lightweight foam brick and preparation method thereof
  • A kind of magnesium oxysulfate cement lightweight foam brick and preparation method thereof

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Effect test

Embodiment 1

[0039] The preparation method of embodiment 1 magnesium oxysulfate cement lightweight foam brick

[0040] 1) dissolving magnesium sulfate with water, and configuring it into a magnesium sulfate solution with a concentration of 20%, for subsequent use;

[0041] 2) take each raw material by formula;

[0042]

[0043] 3) adding the organosilicon water repellent and sodium tetraborate into the magnesium sulfate solution, and fully stirring to obtain a mixed solution;

[0044] 4) Add sodium tartrate and fillers to magnesium oxide in turn, mix well, add the mixed solution in step 3), and continue to stir until well mixed;

[0045] 5) drop into medium-alkali glass fiber and aluminum hydroxide successively in the mixture obtained in step 4) while stirring, and stir evenly;

[0046] 6) When the temperature of the mixture is reduced to 55°C-65°C, add ammonium bicarbonate to the mixture obtained in step 5) and stir to form a foaming slurry;

[0047] 7) Pour the stirred foam slurry ...

Embodiment 2

[0048] The preparation method of embodiment 2 magnesium oxysulfate cement lightweight foam brick

[0049] 1) dissolving magnesium sulfate with water, and configuring it into a magnesium sulfate solution with a concentration of 20%, for subsequent use;

[0050] 2) take each raw material by formula;

[0051]

[0052] 3) adding the organosilicon water repellent and sodium tetraborate into the magnesium sulfate solution, and fully stirring to obtain a mixed solution;

[0053] 4) Add sodium tartrate and fillers to magnesium oxide in turn, mix well, add the mixed solution in step 3), and continue to stir until well mixed;

[0054] 5) drop into medium-alkali glass fiber and aluminum hydroxide successively in the mixture obtained in step 4) while stirring, and stir evenly;

[0055] 6) When the temperature of the mixture is reduced to 55°C-65°C, add ammonium bicarbonate to the mixture obtained in step 5) and stir to form a foaming slurry;

[0056] 7) Pour the stirred foam slurry ...

Embodiment 3

[0057] The preparation method of embodiment 3 magnesium oxysulfide cement lightweight foam brick

[0058] 1) dissolving magnesium sulfate with water, and configuring it into a magnesium sulfate solution with a concentration of 20%, for subsequent use;

[0059] 2) take each raw material by formula;

[0060]

[0061]

[0062] 3) adding the organosilicon water repellent and sodium tetraborate into the magnesium sulfate solution, and fully stirring to obtain a mixed solution;

[0063] 4) Add sodium tartrate and fillers to magnesium oxide in turn, mix well, add the mixed solution in step 3), and continue to stir until well mixed;

[0064]5) drop into medium-alkali glass fiber and aluminum hydroxide successively in the mixture obtained in step 4) while stirring, and stir evenly;

[0065] 6) When the temperature of the mixture is reduced to 55°C-65°C, add ammonium bicarbonate to the mixture obtained in step 5) and stir to form a foaming slurry;

[0066] 7) Pour the stirred f...

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Abstract

The invention relates to a magnesium oxysulfate cement lightweight foaming brick and a preparation method thereof. Specifically, the magnesium oxysulfate cement lightweight foaming brick is prepared from the following components in parts by weight: 100 parts of magnesium oxide, 50-85 parts of a magnesium sulfate solution, 100-300 parts of a filling material, 0.1-0.5 part of a first additive, 0.5-5 parts of a second additive, 20-35 parts of a reinforcing agent, 10-25 parts of a flame retardant, 5-15 parts of a foaming agent, and 0.5-5 parts of an organosilicon water repellent, wherein the first core additive is an inorganic acid or inorganic salt, and the second core additive is an organic acid or organic salt. The magnesium oxysulfate cement lightweight foaming brick provided by the invention is excellent in compression resistance and fracture resistance, strong in water resistance, good in heat preservation and flame-retarding effects, and capable of resisting active magnesia and scumming.

Description

technical field [0001] The invention relates to the field of a compound building material formula and its preparation process, in particular to a foamed brick produced by using magnesium desulfurization by-products and its preparation process. Background technique [0002] Foamed bricks are divided into full cement foamed bricks and concrete foamed bricks according to different processing raw materials. As a necessity of building materials, they are widely used in various fields of construction, such as insulation filling for firewalls, sound insulation floor filling, tunnel filling, etc. Liner backfill, isolation of power and water pipelines, thermal insulation materials, etc. It has the characteristics of good sound absorption effect, good fire and heat insulation, light weight and strong shock resistance, non-toxic and harmless, environmental protection and energy saving, etc. [0003] With the continuous development of modern construction buildings, prefabricated buildi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/30C04B38/02C04B111/40
CPCC04B28/30C04B2111/2023C04B2111/28C04B2111/40C04B2201/20C04B2201/32C04B2201/50C04B9/00C04B18/08C04B18/24C04B14/185C04B22/0013C04B24/06C04B14/42C04B22/08C04B22/10C04B24/42C04B38/02
Inventor 夏文启蔡文婧金小弟
Owner 内蒙古中鼎工正环保有限公司
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