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Production method of fused magnesia with spherical crystal form structure

A technology of electric fused magnesia and production method, which is applied in the field of fused magnesia, can solve the problems affecting the flow rate, flow rate and density of the final product, slow flow rate, low density, etc., to improve the production environment, improve the flow rate, The effect of improving the crushing yield

Active Publication Date: 2017-07-04
上海实业振泰化工有限公司
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Problems solved by technology

[0002] At present, the crystalline structure of fused magnesia is an irregular shape. After being pulverized by a hammer mill, its shape is also irregular, which directly affects the flow rate, flow rate and density of the final product, and it is easy to make the flow rate of the product Slow, slow flow rate, low density, etc.

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  • Production method of fused magnesia with spherical crystal form structure
  • Production method of fused magnesia with spherical crystal form structure
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Embodiment Construction

[0024] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with the accompanying drawings.

[0025] The production method of electro-fused magnesium oxide spherical crystal structure comprises the following steps:

[0026] Step 1: Select 20 tons of magnesite ore with magnesium oxide content ≥ 46% (wt%) as the raw material of fused magnesium oxide, and crush it in a jaw crusher to make 0mm-10mm blocks for later use.

[0027] Step 2: choose elemental silicon (also called metal silicon) with a content of more than 99% (wt%) and crush it in a jaw crusher to make small pieces between 3 mm and 6 mm.

[0028] Step 3: Weigh 30kg-80kg of the small piece of elemental silicon in Step 2, and set aside.

[0029] Step 4: Prepare a cylinder with a diameter of 1.8m, a height of 2m, and an iron plate thickness of 6mm before production, place the cyl...

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Abstract

The invention relates to the technical field of fused magnesia and particularly relates to a production method of fused magnesia with a spherical crystal form structure. The production method includes the following steps: 1) crushing magnesite ore in a crusher to obtain lump material in 0-10 mm; 2) crushing silicon simple substance in the crusher; 3) weighing the silicon simple substance for later use; and 4) preparing a cylinder and performing a process of smelting the fused magnesia, which includes the steps of: dividing the small silicon simple substance chips into four batches, uniformly spreading the silicon simple substance chips on the magnesite ore, performing treatment at 2800 DEG C for 11 h so as to synthesize the silicon simple substance and the magnesite ore to form a spherical crystal structure, removing the cylinder to expose a cylindrical material, manually crushing the cylindrical material and sorting fused magnesia-silicon material, of which the content of the magnesia is more than 98%, thus producing the fused magnesia. The production method can increase yield during the crushing process, reduces production cost and improves production environment of a finished product user.

Description

technical field [0001] The invention relates to the technical field of fused magnesia, in particular to a production method of fused magnesia. Background technique [0002] At present, the crystalline structure of fused magnesia is an irregular shape. After being pulverized by a hammer mill, its shape is also irregular, which directly affects the flow rate, flow rate and density of the final product, and it is easy to make the flow rate of the product Slow, slow flow rate, low density, etc. Contents of the invention [0003] The object of the present invention is to provide a production method of fused magnesia spherical crystal structure to solve the above technical problems. [0004] The technical problem solved by the present invention can adopt following technical scheme to realize: [0005] The production method of electro-fused magnesium oxide spherical crystal structure comprises the following steps: [0006] Step 1: crushing magnesite ore as a raw material of fu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B2/10
CPCC04B2/102C04B2/104
Inventor 金宏伟宗俊纪军庄伟兵刘荣栋潘文斌
Owner 上海实业振泰化工有限公司
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