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Titanium gypsum composite binding material and preparation method thereof

A composite cementitious material and a technology for cementitious materials are applied in the field of preparation of titanium gypsum composite cementitious materials and titanium gypsum composite cementitious materials, and can solve the problems of low grade of titanium gypsum, large water consumption of standard consistency, waste of land and the like, Achieve the effects of early flexural resistance, moderate setting time and high compressive strength

Inactive Publication Date: 2013-04-17
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The grade of titanium gypsum is low, the phase composition is complex, and the water consumption of standard consistency is large, these characteristics narrow the application range of titanium gypsum
Titanium gypsum cannot be utilized and requires a lot of land for stacking, which wastes a lot of land and pollutes the environment

Method used

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  • Titanium gypsum composite binding material and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0061] A kind of titanium gypsum composite cementitious material, its best preferred range is, it is made up of following raw materials of weight percent:

[0062] Raw material parts by weight

[0063] (1) Cementitious material:

[0064] Titanium gypsum 100 parts

[0065] (2) 80 parts of water

[0066] (3) Additives:

[0067] Fly ash 25 parts

[0068] Cement 7 parts

[0069] (4) Modifier:

[0070] 3 parts quicklime

[0071] Bone glue 0.07 parts

[0072] Naphthalene-based water reducer 0.8 parts

[0073] A preparation method of titanium gypsum composite cementitious material, comprising the following steps:

[0074] (1) Drying of titanium gypsum: place the titanium gypsum at a room temperature of 25°C to dry naturally to a constant weight, or place the titanium gypsum raw material in a drying oven at a constant temperature of 25°C to dry to a constant weight;

[0075] (2) Crushing and grinding of titanium gypsum: use a ball mill to crush and grind the titanium gypsum,...

Embodiment 2

[0082] A titanium gypsum composite cementitious material, which is made up of the following raw materials in weight percent:

[0083]

[0084] Its preparation method is identical with embodiment one.

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Abstract

The invention discloses a titanium gypsum composite binding material and a preparation method thereof, wherein the titanium gypsum composite binding material comprises a binding material, water, an admixture and a modifying agent. The preparation method comprises the following steps of: (1) drying titanium gypsum; (2) breaking and grinding the titanium gypsum; (3) calcining the titanium gypsum; (4) aging the titanium gypsum; (5) weighing various components in proportion; (6) adding the processed titanium gypsum in a stirrer, starting the stirrer, and under a low-speed stirring state, sequentially adding coal ash, cement, quick lime, bone glue and a naphthalene water reducer, meanwhile adding water in proportion, and stirring for 5 minutes at a high speed after all materials are added; and (7) casting and forming. The titanium gypsum composite binding material disclosed by the invention has the advantages of low water requirement of normal consistency, proper coagulation time, comparative high early fracture resistance and compressive strength, and the like, and is applicable to production of building indoor partition walls, sandwiched panels, and the like.

Description

technical field [0001] The invention relates to a composite gelling material, more specifically to a titanium gypsum composite gelling material, and also relates to a preparation method of the titanium gypsum composite gelling material. The properties of the composite cementitious material meet the quality standard requirements of high-grade building gypsum, and can be widely used in the field of construction. Background technique [0002] Titanium gypsum is a waste residue with dihydrate gypsum as the main component produced when lime or carbide slag is added to neutralize a large amount of acidic wastewater when sulfuric acid method is used to produce titanium dioxide. In 2011, the total output of titanium dioxide in my country was 1.812 million tons. Based on the calculation of about 6 tons of iron-containing gypsum produced per ton of titanium dioxide, the annual emission of titanium gypsum has exceeded 10 million tons. The grade of titanium gypsum is low, the phase co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14C04B11/02
Inventor 李国忠赵焕起李启金陈亚明杜传伟
Owner UNIV OF JINAN
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