Method for preparing compound microcrystalline glass based on raw material of iron tailings

A technology of glass-ceramics and iron tailings, which is applied in the field of composite glass-ceramics, can solve the problems of dark color, high iron content in iron tailings, and inability to play a decorative effect, so as to achieve rich colors and meet the needs of decoration. Effect

Active Publication Date: 2013-08-07
DONGPING QINGYANG TECH
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Problems solved by technology

However, due to the high iron content and dark color of iron tailin...

Method used

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with the examples, and the following examples are intended to illustrate the present invention rather than further limit the present invention. A method for preparing composite glass-ceramics based on iron tailings as raw material, the steps of the first embodiment are:

[0013] 1. By weight ratio: 32% iron tailings and 68% quartz, feldspar, wollastonite, aluminum oxide, zinc oxide, boron oxide, barium oxide and manganese oxide are mixed to form a mixture, and the mixture is placed in a glass melting In the kiln, a glass solution is made at a temperature of 1450°C, and the glass solution is quenched by water to produce granules, which are used as glass-ceramic granules.

[0014] Two, the glass-ceramics granular material that step 1 is prepared is used as the raw material for producing glass-ceramics, and the raw material for producing glass-ceramics is sprinkled on the same thickness as the thickness o...

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Abstract

The invention relates to a method for preparing compound microcrystalline glass based on a raw material of iron tailings. The method comprises the following steps of: paving and sprinkling the raw material for preparing the microcrystalline glass on a refractory slab according to a microcrystalline glass aggregate of a certain thickness, wherein the nucleation temperature is 880-890 DEG C, the holding time is 50-60 minutes, the crystallization temperature is 1130-1140 DEG C, and the holding time is 85-95 minutes; then gradually cooling down until the temperature is less than or equal to 100 DEG C; drawing; and shaping. According to the method, the microcrystalline glass aggregate prepared from the iron tailings is used as a filler, the prepared compound microcrystalline glass is not taupe anymore, and silicon, aluminum, zinc, calcium and magnesium of different colors can be added as main components to form the microcrystalline glass aggregate of a wollastonite crystallization system, so that the color of the compound microcrystalline glass based on the raw material of the iron tailings is enriched, and decorative needs are met.

Description

technical field [0001] The invention relates to a method for preparing composite glass-ceramics, in particular to a method for preparing composite glass-ceramics based on iron tailings as raw materials. Background technique [0002] Iron tailings are a waste of iron ore production. Harmless utilization of iron tailings is the best way to solve the problem of iron tailings. Using iron tailings to produce glass-ceramic decorative plates and other glass-ceramic products is a an important means. However, due to the high iron content and dark color of iron tailings, the formed glass-ceramic is taupe, which cannot play a decorative effect. Contents of the invention [0003] In order to overcome the above-mentioned technical shortcomings, the purpose of the present invention is to provide a method for preparing composite glass-ceramics based on iron tailings as raw material, thus enriching the color of composite glass-ceramics based on iron tailings as raw material and meeting t...

Claims

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Application Information

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IPC IPC(8): C03C10/04C03C6/10
Inventor 罗会成张兵
Owner DONGPING QINGYANG TECH
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