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Method for synthesizing aluminum nitride by rotary kiln method

A rotary kiln, aluminum nitride technology, applied in chemical instruments and methods, nitrogen compounds, inorganic chemistry, etc., can solve problems such as low production efficiency, and achieve the effects of energy saving, low energy consumption, and adjustable powder supply speed.

Active Publication Date: 2019-08-30
宁夏时星科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing method is a batch production method, the production efficiency is low, and there is an urgent need for overall equipment and process improvement

Method used

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  • Method for synthesizing aluminum nitride by rotary kiln method
  • Method for synthesizing aluminum nitride by rotary kiln method

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. In the specification, the same or similar reference numerals designate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention, but should not be construed as a limitation of the present invention.

[0027] Throughout this specification, reference to "one embodiment," "an embodiment," "an example," or "example" means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in the present invention. In at least one embodiment. Thus, appearances of the phrases "in one embodiment," "in an embodim...

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Abstract

The invention discloses a method for synthesizing aluminum nitride by a rotary kiln method. The method comprises: spraying aluminum powder from a solid powder inlet of a rotary kiln main body; introducing nitrogen from a nitrogen inlet of the rotary kiln main body; and carrying out a self-propagating reaction of nitrogen and aluminum powder in the rotary kiln main body to form the nitride. The method for synthesizing aluminum nitride by the rotary kiln method can realize massive and continuous synthesis of aluminum nitride.

Description

technical field [0001] The invention relates to the field of nitride synthesis, and further relates to a method for synthesizing aluminum nitride by a rotary kiln method. Background technique [0002] Nitride, especially aluminum nitride, is widely used in industry. For example, aluminum nitride can be used to prepare high temperature resistant parts, heat transfer parts and so on. [0003] Self-propagating technology is a way to synthesize materials by exothermic chemical reaction itself. Since the reaction can be continued through the exothermic chemical reaction itself, and the reaction can continue without an external heat source, it is favored by the industry. [0004] As a nitrogen compound synthesis reactor, the rotary kiln is under a slightly positive pressure state, the reactants are continuously charged into the furnace, the synthesis reaction is continuously carried out, and the product is continuously discharged from the furnace. It is a high-efficiency and ene...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B21/072
CPCC01B21/0722
Inventor 杜文贵秦军
Owner 宁夏时星科技有限公司
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