Cement-based steel slag granite product and preparation method thereof

A granite and cement-based technology, applied in the field of building materials, can solve the problems of low hardness, easy yellowing and discoloration of marble surface, and resistance to scratching, etc., to improve surface wear resistance and mechanical properties, increase added value, overcome The effect of poor weather resistance

Active Publication Date: 2013-11-06
MCC BAOSTEEL TECH SERVICE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Long-term exposure to outdoors is prone to yellowing and discoloration
Not suitable for exterior decoration and ground works
[0009] 2) The surface hardness of cement-type artificial marble is low, it is not resistant to scratching, and its strength is low, which is its weakness that is difficult to solve

Method used

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  • Cement-based steel slag granite product and preparation method thereof
  • Cement-based steel slag granite product and preparation method thereof
  • Cement-based steel slag granite product and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 4-5

[0054] The raw material components and ratios of Examples 4-5 are shown in Table 4, and the values ​​in the table are all mass percentages.

[0055] The raw material formula of each embodiment of table 4

[0056]

[0057] In addition to the difference in raw material components, the above-mentioned comparative examples and the examples are also different in their preparation methods. The difference is that the comparative examples adopt a weak vibration press molding process, while the present invention adopts a strong vibration press process. Concrete process parameter is as shown in table 5:

[0058] Table 5 Molding Process Parameters

[0059]

[0060] The test properties of the finished products obtained in the above examples are as follows: the test method is carried out in SN / T0308-1993 "Export Artificial Stone Test Method".

[0061] Table 6 performance test results

[0062]

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PUM

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Abstract

The invention provides a cement-based steel slag granite product which comprises the following raw material components of cement, steel slag coarse sand, steel slag fine sand, steel slag ultrafine sand, a water reducer and water, wherein the weight ratios of the cement, steel slag coarse sand, steel slag fine sand, steel slag ultrafine sand, and the water reducer are that: 20-25 parts by weight of cement, 30-40 parts by weight of steel slag coarse sand, 20-30 parts by weight of steel slag fine sand, 15-20 parts by weight of steel slag ultrafine sand, and 0.006-0.06 parts by weight of water reducers; the weight ratio of water and cement is 0.20-0.35:1; the cement-based steel slag granite product has dry-state compression strength of more than 130 MPa, and abradability of more than 5*10<-3> g / cm2. The product of the invention greatly improves surface wear resistance and mechanical properties of cement-type artificial marble, overcomes the disadvantage of poor weatherability of polyester-type steel slag artificial marble, and further improves the added value of steel slag solid wastes.

Description

technical field [0001] The invention relates to a cement-based steel slag granite product and a preparation method thereof, belonging to the field of building materials. Background technique [0002] Steel slag is the solid waste produced by steelmaking. Steel mills pile up like mountains and are difficult to use. It will cause serious consequences such as occupying valuable land, repeatedly polluting the environment, and alkalizing the soil. It is an important issue that needs to be developed urgently in front of major steel mills. At the same time, the development and utilization of steel slag resources is an important measure to develop a low-carbon economy, protect the environment, and prevent secondary pollution. [0003] Generally speaking, granite (Granite) is a kind of igneous rock formed by the condensation of magma below the surface. The main components are feldspar and quartz. [0004] The preparation of steel slag marble by using steel slag powder and steel slag...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C04B18/14
CPCY02W30/91
Inventor 金强杨刚何小涛方冉
Owner MCC BAOSTEEL TECH SERVICE
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