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Preparation process of low-sodium corundum

A preparation process, corundum technology, applied in the field of low-sodium corundum preparation process, can solve problems such as low efficiency, heavy environmental pollution, time-consuming and labor-intensive, etc., and achieve the effects of improving production efficiency, eliminating pollution, and increasing melting point

Active Publication Date: 2017-12-01
山东泰尔福新材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The current mixing machine in corundum production is relatively simple and relatively inefficient. On the one hand, various materials are first put into the mixing machine in proportion, and then taken out from the mixing machine after the mixing is completed, and the mixed material enters the next production process. , time-consuming and labor-intensive; on the other hand, the environmental pollution caused by dust in the mixing process is relatively serious

Method used

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  • Preparation process of low-sodium corundum
  • Preparation process of low-sodium corundum
  • Preparation process of low-sodium corundum

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Embodiment Construction

[0052] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0053] A preparation process of low-sodium corundum, the required raw materials include the following components in terms of mass:

[0054] Industrial alumina 100-105 parts,

[0055] 5-10 parts of acetic acid or boric acid,

[0056] 10-15 parts of ammonium chloride,

[0057] Aluminum oxide 2-10 parts.

[0058] Concrete embodiment sees the following table:

[0059]

[0060] The chemical composition of described industrial aluminum oxide is as follows:

[0061] Silicon oxide 0.01-0.02%,

[0062] Iron oxide 0.015-0.025%,

[0063] Potassium oxide 0.015-0.02%,

[0064] Sodium oxide 0.1-0.2%,

[0065] Aluminum Oxide 98-99%,

[0066] The rest is water.

[0067] The preparation technology of low-sodium corundum comprises the following steps:

[0068] (1) Weigh all the raw materials according to the ratio and add them to the mixe...

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Abstract

The invention provides a preparation process of low-sodium corundum, belonging to the fields of corundum production processes and equipment. The preparation process is characterized by containing the following components by mass: industrial alumina, acetic acid or boric acid, ammonium chloride and alumina. By virtue of reasonable process design, the sodium content in a corundum product is scientifically decreased, and each performance of the corundum product is improved; and the production efficiency can be maintained, and meanwhile, the environmental pollution caused by a mixing link in the corundum production process is reduced.

Description

technical field [0001] The invention belongs to the field of corundum production technology, and in particular relates to a preparation technology of low-sodium corundum. Background technique [0002] Corundum, whose name originated from India, is a mineralogical name. Corundum is a kind of aluminum oxide (Al 2 o 3 ) crystallized gemstones. Pure corundum is colorless, but it shows different colors when it contains different trace elements. The Mohs hardness of corundum is 9, which is the second highest hardness substance found in nature so far, second only to diamond. Among the many types of corundum products, low-sodium corundum has low sodium content, so that the melting point, particle density, bending resistance, and pressure resistance of corundum products can meet the requirements of high-performance refractory materials and high-performance abrasives. Due to the high sodium content of industrial alumina used in the production of corundum, how to reasonably reduce ...

Claims

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Application Information

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IPC IPC(8): C04B35/05C04B35/626C04B35/622B01F7/00B01F15/00B01F15/02B01F15/04B01D50/00B01D53/78
CPCB01D53/78C04B35/05C04B35/622C04B35/62605C04B2235/444C04B2235/6567C04B2235/656C04B2235/449C04B2235/3409B01F27/192B01F27/2321B01F35/20B01F35/51B01F35/561B01F35/184B01F35/752B01F35/881B01D50/10
Inventor 王泽铭韩露王忠
Owner 山东泰尔福新材料科技有限公司
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