Titanium gypsum waste residue plastering mortar and preparation method thereof

A technology of plastering mortar and titanium gypsum, which is applied in the field of building materials to achieve good adhesion, reduce labor intensity of workers, and avoid pollution

Inactive Publication Date: 2019-12-31
广西藤县广峰钛白有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Titanium gypsum has a large amount of production and storage, and needs to be utilized in a large-scale manner, but it contains certain impurities, which need to be harmlessly disposed of before comprehensive utilization of resources

Method used

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  • Titanium gypsum waste residue plastering mortar and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A kind of titanium gypsum waste residue plastering mortar, prepared by the following components in parts by weight:

[0035] Titanium gypsum: 40 parts;

[0036] Fly ash: 32.8 parts;

[0037] Portland cement: 15 parts;

[0038] Alkaline slag: 10 parts;

[0039] Polyacrylamide: 0.2 parts;

[0040] Amino superplasticizer: 2 parts;

[0041] Among the raw materials, the titanium gypsum raw material and the fly ash raw material were dried at 80°C for 3 hours, pulverized with a pulverizer at 2000rpm for 2h, ground and passed through a 400-mesh sieve; Portland cement and alkaline slag were pulverized at 2000rpm Down pulverization for 1 hour, passing through a 300 mesh sieve to obtain a specific surface area of ​​400m 2 / Kg of slag and cement powder;

[0042] The preparation method of the titanium gypsum waste residue plastering mortar comprises the following steps:

[0043] (1) Weigh the raw materials according to the ratio, first put the titanium gypsum powder, fly ash po...

Embodiment 2

[0046] A kind of titanium gypsum waste residue plastering mortar, prepared by the following components in parts by weight:

[0047] Titanium gypsum: 20 parts;

[0048] Fly ash: 46.7 parts;

[0049] Aluminate cement: 15.3 parts;

[0050] Alkaline slag: 15 parts;

[0051] Sodium lignosulfonate superplasticizer: 3 parts.

[0052] Among the raw materials, the titanium gypsum raw material and the fly ash raw material were dried at 100°C for 3 hours, pulverized at 3000rpm with a pulverizer for 4h, ground and passed through a 400-mesh sieve; aluminate cement and alkaline slag were pulverized at 3000rpm Crush for 3 hours, pass through a 300 mesh sieve, and obtain a specific surface area of ​​450m 2 / Kg of slag and cement powder.

[0053] The preparation method of the titanium gypsum waste residue plastering mortar comprises the following steps:

[0054] (1) Weigh the raw materials according to the ratio, first put the titanium gypsum powder, fly ash powder and water in a mortar ...

Embodiment 3

[0057] A kind of titanium gypsum waste residue plastering mortar, prepared by the following components in parts by weight:

[0058] Titanium gypsum: 35 parts;

[0059] Fly ash: 37.6 parts;

[0060] Sulphate cement: 20 parts;

[0061] Alkaline slag: 15 parts;

[0062] Fumed silica: 0.4 parts;

[0063] Naphthalene superplasticizer: 2 parts;

[0064] Among the raw materials, the titanium gypsum raw material and the fly ash raw material were dried at 150°C for 3 hours, pulverized at 2500 rpm for 4 hours with a pulverizer, ground and passed through a 400-mesh sieve; sulfate cement and alkaline slag were pulverized at 4500 rpm with a pulverizer Grinding for 2 hours, passing through a 300-mesh sieve to obtain a specific surface area of ​​420m 2 / Kg of slag and cement powder;

[0065] The preparation method of the titanium gypsum waste residue plastering mortar comprises the following steps:

[0066] (1) Weigh the raw materials according to the proportion, first put the titaniu...

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Abstract

The invention discloses titanium gypsum waste residue plastering mortar which comprises the following raw materials in parts by weight: 20-40 parts of titanium gypsum, 15-50 parts of coal ash, 15-40 parts of an alkali additive, 0-0.4 part of a modifier and 0.1-5 parts of a water reduction agent. A preparation method of the titanium gypsum waste residue plastering mortar comprises the following steps: firstly, uniformly blending and stirring dried, crushed, grinded and screened titanium gypsum powder and coal ash powder according to a certain ratio, controlling a water-binder ratio, further adding alkali additive powder and the modifier, and performing uniform blending and stirring, so as to finally obtain the titanium gypsum waste residue plastering mortar. The titanium gypsum waste residue plastering mortar disclosed by the invention has good mechanical properties and good adhesiveness, and common faults such as wall hollowing, cracking and dropping can be eliminated; in addition, theworking intensity of operators can be alleviated, the working environment can be improved, and pollution caused by lime paste preparation on a construction site can be avoided; and the mortar has thecharacteristics of being low in production and processing cost, simple in process operation, and the like, and can be widely applied to the field of building materials, and a novel way is provided for reasonable utilization and recycling of titanium gypsum waste residues.

Description

technical field [0001] The invention belongs to the technical field of building materials, and relates to a resource utilization technology of titanium gypsum waste residue, in particular to a titanium gypsum waste residue plastering mortar and a preparation method thereof. Background technique [0002] With the development of the power industry, the discharge of fly ash from coal-fired power plants has increased year by year, becoming one of the largest industrial wastes in my country. Fly ash, the fine ash collected from the flue gas discharged from coal-fired power plants, its main oxide composition is: SiO 2 、Al 2 o 3 , FeO, Fe 2 o 3 , CaO, TiO 2 . If a large amount of fly ash is not treated, it will generate dust and pollute the atmosphere; if it is discharged into the water system, it will cause river silting, and the toxic chemical substances in it will also cause harm to the human body and organisms, which will affect my country's national economic construction...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14
CPCC04B28/142C04B2201/50C04B18/08C04B7/02C04B18/141C04B24/2652C04B2103/302C04B7/32C04B24/18C04B7/00C04B14/066C04B24/226
Inventor 梁铭懿
Owner 广西藤县广峰钛白有限公司
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