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Fluoroaluminate cement and preparation method thereof

A fluoroaluminate cement and tartaric acid technology, applied in cement production and other directions, can solve the problems of unfavorable waterproof plugging materials, poor early hardness and long-term hardness, etc., and achieve the effect of improving long-term strength, uniform quality and fast setting rate.

Inactive Publication Date: 2015-07-08
苏州市德莱尔建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that the technical solution is to use a variety of composite cements to prepare the aluminate quick-hardening hydraulic gel material, which has a high hardening rate, but the initial hardness and long-term hardness are poor, which is not conducive to long-term use as a waterproof plugging material

Method used

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  • Fluoroaluminate cement and preparation method thereof
  • Fluoroaluminate cement and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0026] A kind of fluoroaluminate cement, comprises each component of following mass percentage:

[0027] (1) Fluoroaluminate cement clinker 60.0%;

[0028] (2) Ferric fluoride slag 10.0%;

[0029] (3) Carborundum 10.0%;

[0030] (4) Polished brick waste residue 12.0%;

[0031] (5) Boric acid 3.0%;

[0032] (6) Gypsum 5.0%.

[0033] According to the preparation method of fluoroaluminate cement provided by the present invention, fluoroaluminate cement is prepared, and the preparation steps are as follows:

[0034] (1) Material preparation: Accurately weigh each component according to the mass content of each component;

[0035] (2) Pulverization: pulverize ferric fluoride slag and polished brick waste slag until the average particle size of the powder is 120um;

[0036] (3) Grinding: Mix and grind each component according to the mass percentage until the average particle size is 50um to obtain fluoroaluminate cement.

Embodiment 2

[0038] A kind of fluoroaluminate cement, comprises each component of following mass percentage:

[0039] (1) Fluoroaluminate cement clinker 75.0%;

[0040] (2) Ferric fluoride slag 5.0%;

[0041] (3) Carborundum 5.0%;

[0042] (4) Polished brick waste residue 7.0%;

[0043] (5) Citric acid 4.0%;

[0044] (6) Gypsum 4.0%.

[0045] According to the preparation method of fluoroaluminate cement provided by the present invention, fluoroaluminate cement is prepared, and the preparation steps are as follows:

[0046] (1) Material preparation: Accurately weigh each component according to the mass content of each component;

[0047] (2) Pulverization: pulverize ferric fluoride slag and polished brick waste slag until the average particle size of the powder is 120um;

[0048] (3) Grinding: Mix and grind each component according to the mass percentage until the average particle size is 50um to obtain fluoroaluminate cement.

Embodiment 3

[0050] A kind of fluoroaluminate cement, comprises each component of following mass percentage:

[0051] (1) Fluoroaluminate cement clinker 70.0%;

[0052] (2) Ferric fluoride slag 10.0%;

[0053] (3) Carborundum 5.0%%;

[0054] (4) Polished brick waste 5.0%%;

[0055] (5) Tartaric acid 5.0%;

[0056] (6) Gypsum 5.0%.

[0057] According to the preparation method of fluoroaluminate cement provided by the present invention, fluoroaluminate cement is prepared, and the preparation steps are as follows:

[0058] (1) Material preparation: Accurately weigh each component according to the mass content of each component;

[0059] (2) Pulverization: pulverize ferric fluoride slag and polished brick waste slag until the average particle size of the powder is 100um;

[0060] (3) Grinding: Mix and grind each component according to the mass percentage until the average particle size is 25um to obtain fluoroaluminate cement.

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Abstract

Disclosed are fluoroaluminate cement and a preparation method of the fluoroaluminate cement, which relate to the field of a building material. The fluoroaluminate cement comprises the following components, by mass: (1) 60.0-75.0% of fluoroaluminate cement clinker, (2) 5.0-20.0% of fluorine iron mine, (3) 5.0-10.0% of emery, (4) 5.0-20.0% of polished tile waste residue, (5) 2.0-5.0% of a delayed coagulant, and (6) 2.5-5.0% of gypsum. The preparation method of the fluoroaluminate cement comprises: (1) material preparation, (2) pulverizing, and (3) powder grinding. The fluoroaluminate cement provided in the invention has characteristics of fast coagulation rate, early strength, high strength, stable performance, and uniform quality; various slag and waste are effectively utilized; a new way of source reuse is provided; and the fluoroaluminate cement is a relatively ideal cement material.

Description

technical field [0001] The invention belongs to the field of building materials, in particular to a fluoroaluminate cement and a preparation method of the cement. Background technique [0002] Fluoroaluminate cement is clinker made of alumina, limestone, fluorite (or gypsum) and calcined to obtain calcium fluoroaluminate as the main mineral. The cement that is ground together with gypsum is called rapid hardening. Fluoroaluminate cement. The main minerals of this cement are alite, belite, calcium fluoroaluminate and tetracalcium aluminoferrite. Its characteristic is that the setting speed is very fast. Generally, the initial setting is only a few minutes, and the final setting is about half an hour. Under the fast hardening rate, the hardness can reach 20MPa after 2-3h, and 30MPa after 1d, so generally Used for emergency repairs or in special environments. [0003] At present, although fluoroaluminate cement has the characteristics of fast hardening and early strength, it...

Claims

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Application Information

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IPC IPC(8): C04B7/32C04B7/21
CPCY02P40/10
Inventor 计慷
Owner 苏州市德莱尔建材科技有限公司
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