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Silicon carbide waste reinforced wear-resistant floor mortar and its preparation method

A technology of silicon carbide waste and reinforcing material, applied in the field of building materials, can solve the problems of limited application scope, high cost, complex wear-resistant cement mortar components, etc., and achieve the effects of improving later strength, increasing strength, and realizing resource utilization.

Inactive Publication Date: 2015-03-04
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the components of the wear-resistant cement mortar are complex, the cost is relatively high, and the application range is limited.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] In this example, the wear-resistant mortar includes the following components in parts by weight: 100 parts of P.O 52.5 ordinary Portland cement, 10 parts of silicon carbide waste, 162 parts of quartz sand, 15 parts of silica fume, and 1.2 parts of polycarboxylate superplasticizer .

[0037] Among them, the average particle size of silicon carbide waste is 3-8 μm, and the specific surface area is 300-600 m 2 / kg; loss on ignition of silica fume 2 Content > 85%, specific surface area > 15000m 2 / kg.

[0038] The wear-resistant mortar in this example is prepared by the following method:

[0039] (1) Carry out thermal oxidation treatment on the waste slag produced after recycling the silicon wafer cutting waste, and then grind it to obtain silicon carbide waste;

[0040](2) After weighing the silicon carbide waste obtained in step (1) and other components by weight, add them to a mixer, stir for 3-6 minutes, and mix well to obtain a wear-resistant mortar.

[0041] The m...

Embodiment 2

[0047] In this example, the wear-resistant mortar includes the following components in parts by weight: 100 parts of P.O 52.5 ordinary portland cement, 34 parts of silicon carbide waste, 137 parts of quartz sand, 10 parts of silica fume, and 1.4 parts of polycarboxylate superplasticizer .

[0048] Among them, the average particle size of silicon carbide waste is 3-8 μm, and the specific surface area is 300-600 m 2 / kg; loss on ignition of silica fume 2 Content > 85%, specific surface area > 15000m 2 / kg.

[0049] The wear-resistant mortar in this example is prepared by the following method:

[0050] (1) Carry out thermal oxidation treatment on the waste slag produced after recycling the silicon wafer cutting waste, and then grind it to obtain silicon carbide waste;

[0051] (2) After weighing the silicon carbide waste obtained in step (1) and other components by weight, add them to a mixer, stir for 3-6 minutes, and mix well to obtain a wear-resistant mortar.

[0052] The ...

Embodiment 3

[0058] In the embodiment, the wear-resistant mortar includes the following components in parts by weight: 100 parts of P.O 52.5 ordinary Portland cement, 50 parts of silicon carbide waste, 120 parts of quartz sand, 5 parts of silica fume, and 1.8 parts of polycarboxylate superplasticizer.

[0059] Among them, the average particle size of silicon carbide waste is 3-8 μm, and the specific surface area is 300-600 m 2 / kg; loss on ignition of silica fume 2 Content > 85%, specific surface area > 15000m 2 / kg.

[0060] The wear-resistant mortar in this example is prepared by the following method:

[0061] (1) Carry out thermal oxidation treatment on the waste slag produced after recycling the silicon wafer cutting waste, and then grind it to obtain silicon carbide waste;

[0062] (2) After weighing the silicon carbide waste obtained in step (1) and other components by weight, add them to a mixer, stir for 3-6 minutes, and mix well to obtain a wear-resistant mortar.

[0063] The m...

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Abstract

The invention relates to a silicon carbide waste reinforced wear-resistant floor mortar. The floor mortar comprises, by weight, 100 parts of cement, 10-50 parts of silicon carbide waste, 100-250 parts of quartz sand, 5-20 parts of silica fume, and 0.5-2 parts of an additive, wherein the average particle size and the specific surface area of the silicon carbide waste are 3-8[mu]m and 300-600m<2> / kg. Compared with the prior art, the application of the silicon carbide waste in the wear-resistant floor mortar as a reinforcing material solves the treatment problem of the silicon carbide waste, changes wastes into valuables, realizes the recycling of the silicon carbide waste, and improves the strength and the wear resistance of the wear-resistant floor mortar, so the silicon carbide waste reinforced wear-resistant floor mortar is suitable for various places with high requirements on the wear resistance of the floor mortar.

Description

technical field [0001] The invention belongs to the technical field of building materials, and relates to a wear-resistant floor mortar and a preparation method, in particular to a wear-resistant floor mortar using silicon carbide waste as a reinforcing material and a preparation method. Background technique [0002] my country has become the world's largest producer of photovoltaic products. With the continuous increase of photovoltaic products, the silicon carbide waste generated by enterprises in the production process is also increasing. Silicon carbide waste is produced by high-temperature oxidation and grinding of waste slag produced by recycling silicon wafer cutting waste through industrial recycling technology. At present, enterprises mostly adopt the method of stacking and landfilling silicon carbide waste, which not only increases the production cost of the enterprise, but also pollutes the environment. [0003] Wear-resistant floor mortar is a dry-mixed mortar m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B28/04C04B18/04
CPCY02W30/91
Inventor 蒋正武周磊
Owner TONGJI UNIV
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