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Feeding method for sintering alumina clinker and related equipment

An alumina and clinker technology, which is applied in the field of material processing, can solve the problems of difficulty in reaching the standard of nitrogen oxides in the exhaust gas and low denitration efficiency of the exhaust gas, and achieve the effect of high denitration efficiency.

Pending Publication Date: 2022-05-24
GUIZHOU BRANCH CHINA ALUMINUM IND
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Problems solved by technology

[0003] The embodiment of this application provides a feeding method and related equipment for alumina clinker sintering, which can improve the low denitrification efficiency of the exhaust gas discharged from the existing alumina rotary kiln, and the problem that the nitrogen oxide content of the exhaust gas is difficult to reach the standard

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  • Feeding method for sintering alumina clinker and related equipment
  • Feeding method for sintering alumina clinker and related equipment
  • Feeding method for sintering alumina clinker and related equipment

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Embodiment Construction

[0043] In order to better understand the technical solutions provided by the embodiments of the present specification, the technical solutions of the embodiments of the present specification will be described in detail below with reference to the accompanying drawings and specific embodiments. The detailed description of the technical solutions of the embodiments is not a limitation on the technical solutions of the present specification, and the embodiments of the present specification and the technical features in the embodiments may be combined with each other under the condition of no conflict.

[0044] In this document, relational terms such as first and second, etc. are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such existence between these entities or operations. The actual relationship or sequence. Moreover, the terms "comprising", "comprising" or any other variation thereof are intende...

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Abstract

The invention discloses a feeding method for alumina clinker sintering and related equipment, relates to the technical field of material processing, and can solve the problems that the denitration efficiency of exhaust gas discharged by an existing alumina rotary kiln is low, and the content of nitric oxide in the discharged exhaust gas is difficult to reach the standard. The feeding method for alumina clinker sintering comprises the following steps: spraying hot flame into a sintering cavity of an alumina clinker rotary kiln; the spraying amount of the slurry close to the flue is controlled to be smaller than the spraying amount of the slurry away from the flue, and the slurry sprayed into the sintering cavity is used for heat exchange with the hot flame.

Description

technical field [0001] The present application relates to the technical field of material processing, and in particular, to a feeding method and related equipment for alumina clinker sintering. Background technique [0002] At present, the alumina rotary kiln adopts wet feeding method. The heat exchange between the hot air injected into the rotary kiln and the slurry injected into the rotary kiln can easily cause the temperature of the exhaust gas from the rotary kiln to drop rapidly, resulting in the discharge from the rotary kiln. The temperature of the exhaust gas is low, resulting in a low efficiency of exhaust gas denitration, and the nitrogen oxide content of the exhaust gas is difficult to meet the standard. SUMMARY OF THE INVENTION [0003] The embodiments of the present application provide a feeding method and related equipment for alumina clinker sintering, which can improve the problems of low denitration efficiency of the exhaust gas discharged from the existin...

Claims

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Application Information

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IPC IPC(8): F27B7/32F27B7/34F27B7/42F27D17/00
CPCF27B7/3205F27B7/34F27B7/42F27D17/002F27B2007/005Y02E20/34
Inventor 王世勇田兴凯李小坚周佳阎坤王庆涛王之杰宋军峰王玉国
Owner GUIZHOU BRANCH CHINA ALUMINUM IND
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