Preparation process of multifunctional composite magnesium silicate thermal insulation material

A technology for thermal insulation and preparation process, which is applied in the field of thermal insulation materials, and can solve the problems of acid and alkali resistance, waterproof and high temperature resistance, insufficient compressive strength, insufficient service life, high moisture content of thermal insulation coatings, long drying time, etc. problem, to achieve the effect of superior performance, high cost performance and strong environmental protection

Inactive Publication Date: 2020-01-24
于斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional rock wool, asbestos, aluminum silicate fiber, glass fiber, perlite, foam asbestos, etc., have single functions, and are insufficient in acid and alkali resistance, water resistance, high temperature resistance, compressive strength, and service life. Traditional materials have been unable to meet the needs of production and all aspects of society
[0003] The technical problem to be solved in this patent is: the existing thermal insulation coating has a lot of water and dries slowly, especially the thermal insulation slurry, which takes a long time to dry without a heat source. Technical issues addressed by research

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Example 1: A formula of multifunctional composite magnesium phosphate thermal insulation material

[0040] The invention provides a multifunctional composite magnesium phosphate thermal insulation material formula, which comprises the following components in parts by weight: magnesium silicate wool, 12%; magnesium oxide, 3%; magnesium chloride, 3%; sepiolite wool, 10% %; vitrified microbeads, 12%; diatomaceous earth, 4%; bentonite, 3%; sodium silicate (sodium silicate), 6%, aluminum dihydrogen phosphate solution, 7%; rapid penetration agent T, 6% ; The balance is water.

[0041] Wherein, foaming alkali and aluminum dihydrogen phosphate are binder, and fast penetrating agent T is catalyst;

Embodiment 2

[0042] Embodiment two: preparation equipment and production technological process

[0043] Equipment and facilities required by the technology of the present invention: (1) one group of immersion pools of 10 cubic meters; (2) one group of 20 cubic meter defoaming pools; (3) one 10 cubic meter water storage tower; (4) 18 kilowatt variable speed mortar One mixer; (5) one set of automatic sorting and feeding machine; (6) one set of automatic slurry filling machine.

[0044] Product testing facilities or equipment: far-infrared thermometer; thermal conductivity tester; balance; full set of manometer; tensile strength tester; high temperature tester;

[0045] The production and processing technology (preparation process) for preparing the multifunctional composite magnesium silicate thermal insulation material in Example 1 comprises the following steps:

[0046] (1) Prepare an 18kw variable speed mortar mixer.

[0047] (2) First put 100 kg of water to soak magnesium silicate wool...

Embodiment 3

[0051] Embodiment three: various technical indicators of the product of the present invention;

[0052] Thermal conductivity, 0.049W / mk; measured with a thermal conductivity tester.

[0053] Compressive strength, 500kpa; it is measured with a manometer.

[0054] Moisture content, ≤ 1%; use a drying box to measure the water content of the solid product of the present invention by measuring its evaporated water content, where the water content refers to the content of the solid thermal insulation material of the present invention water volume. After the user has dried the slurry product, it is the application state of the solid product of the present invention.

[0055] Acid and alkali resistance, immersion for 48 hours, no cracking, no pulverization; it uses a beaker to test the solid product of the present invention with acid and alkali.

[0056] Soaked in water for 48 hours, no splitting, no weathering.

[0057] Temperature resistance, -45 degrees to 1200 degrees, which is ...

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PUM

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Abstract

The invention provides a multifunctional composite magnesium silicate heat-preservation and heat-insulation material formula which comprises the following components in parts by weight: 12% of magnesium silicate wool, 3% of magnesium oxide, 3% of magnesium chloride, 10% of sepiolite wool, 12% of vitrified micro-beads, 4% of diatomite, 3% of bentonite, 7% of an aluminum dihydrogen phosphate solution, 8% of sodium metasilicate, 7% of a quick penetrating agent T, and the balance water. The multifunctional composite magnesium silicate heat-preservation and heat-insulation material has the advantages of water prevention, acid and alkali prevention, high compressive strength, high tensile strength, thin used materials, simple and convenient construction, low comprehensive costs, no pollution, no three-waste discharge during production, and recyclability and reuse; the product can be widely applied in the fields of petroleum, chemical engineering, electric power, metallurgy and building.

Description

technical field [0001] The invention relates to the technical field of thermal insulation materials, in particular to a formula and a preparation process of a multifunctional composite magnesium silicate thermal insulation material. Background technique [0002] With the progress and development of science and technology, there is an urgent need for thermal insulation materials with complete functions and high cost performance in the market. Traditional rock wool, asbestos, aluminum silicate fiber, glass fiber, perlite, foam asbestos, etc., have single functions, and are insufficient in acid and alkali resistance, water resistance, high temperature resistance, compressive strength, and service life. Traditional materials have been unable to meet the needs of production and all aspects of society. [0003] The technical problem to be solved in this patent is: the existing thermal insulation coating has a lot of water and dries slowly, especially the thermal insulation slurry...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/34C04B111/20C04B111/23C04B111/27
CPCC04B28/34C04B2111/20C04B2111/23C04B2111/27C04B2201/20C04B2201/32C04B2201/50C04B14/4643C04B22/066C04B22/124C04B14/24C04B14/08C04B12/04C04B24/16
Inventor 于斌
Owner 于斌
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