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Method for improving doping amount of mining mullock in cement

A technology of mining waste rock and mixing amount, applied in cement production, etc., can solve the problems of high cost, poor economic benefit, unstable cement quality, etc., achieve low cost, stable cement quality, and overcome the effect of unstable cement quality

Inactive Publication Date: 2015-04-08
GUANGXI YUFENG CEMENT
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Problems solved by technology

[0005] In the process of realizing the present invention, the inventor found that there are at least some defects in the prior art such as unstable cement quality, high cost and poor economic benefit

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  • Method for improving doping amount of mining mullock in cement
  • Method for improving doping amount of mining mullock in cement
  • Method for improving doping amount of mining mullock in cement

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Embodiment Construction

[0044] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0045] According to an embodiment of the present invention, such as figure 1 and figure 2 As shown, a method for increasing the amount of mining waste rock mixed in cement is provided, including:

[0046] ⑴Combine mining and dressing waste rocks with limestone in the following parts by weight. The mining and dressing waste rocks include sandstone, iron powder and raw meal:

[0047] Limestone: 88.5 parts;

[0048] Sandstone: 13.8 parts;

[0049] Iron powder: 4.4 parts;

[0050] Raw material: 92 parts;

[0051] (2) Proportionally, the waste rock and limestone from mining and beneficiation are mixed and stirred in the mining area by a hook machine or a loading an...

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Abstract

A disclosed method for improving doping amount of mining mullock in cement comprises: proportioning mining ore-dressing detrital mullock and limestone according to the following weight proportions: 88.5 parts of limestone, 13.8 parts of sandstone, 4.4 parts of iron powder, and 92 parts of a rough material, wherein the mining ore-dressing detrital mullock comprises sandstone, iron powder and the rough material; and mixing the ore-dressing detrital mullock with limestone with stirring in a mining section according to the ratio by utilizing a blender or a loading machine, and then sending to a grinding machine for preparing cement. The method for improving the doping amount of mining mullock in cement overcomes the disadvantages that in the prior art, cement is instable in quality, high in cost, bad in economic benefit and the like, and realizes the advantages of stable cement quality, low cost and good economic benefit.

Description

technical field [0001] The invention relates to the technical field of cement processing, in particular to a method for increasing the amount of mining waste rock mixed into cement. Background technique [0002] Limestone ore contains a large amount of interlayer mining and beneficiation debris waste rock, the main component of which is SiO 2 , AI 2 o 3 , Fe 2 o 3 , CaO, MgO, of which the content of Cao is low, and the content of MgO exceeds the standard. Mining and beneficiation debris waste rock Cao≤45%, MgO≥3.5%, which is close to the raw material composition for cement production, but it cannot be used directly as cement raw material. The company requires limestone in the ingredients In the range of CaO ≥ 50.0%, MgO ≤ 1.2%, when the mixing amount of mining debris and waste rock in 2012 is 5%, it does not meet the technical requirements. Through the matching mining plan of mining debris and waste rock, after experimental research, it is obtained When the maximum amou...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B7/14
CPCY02P40/10
Inventor 张芳黄小青江英廖双双黄丽霖
Owner GUANGXI YUFENG CEMENT
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