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Dried fluorine aluminum powder cooling and conveying process

An aluminum fluoride, dry process technology, applied in aluminum fluoride, aluminum halide and other directions, can solve the problems of low cooling efficiency, increased moisture content of aluminum fluoride, and high dew point of compressed air, so as to improve the quality of finished products and improve cooling efficiency , The effect of saving equipment investment

Inactive Publication Date: 2007-09-19
SHENYANG BOYU TECH
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Problems solved by technology

[0004] 1. The cooling tube uses air cooling to cool down, the cooling efficiency is low, and the effect is poor; at the same time, the cooling tube is bulky and the equipment investment is high
[0005] 2. The original production method using compressed air to transport dry-process aluminum fluoride finished products has the following disadvantages. The dew point of ordinary compressed air is high. During use, part of the water vapor in the compressed air condenses to produce a certain amount of water, and the water enters the dry process during transportation. Finished products of aluminum fluoride increase the moisture content of aluminum fluoride and affect the quality of dry-process aluminum fluoride

Method used

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  • Dried fluorine aluminum powder cooling and conveying process

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Embodiment Construction

[0016] A cooling and conveying process for dry-process aluminum fluoride powder. Aluminum fluoride enters the fluidized cooler 2 from the aluminum fluoride conveying screw 1 and uses water cooling to exchange heat. After heat exchange, the cooling water returns to the circulating water system; after cooling The finished aluminum fluoride is transported to the aluminum fluoride bin 6 by the pneumatic conveying pump 5 .

[0017] The compressed air used by the pneumatic conveying pump 5 is sent by the compressed air pipeline 7. The compressed air first enters the compressed air storage tank 3 for storage, and then the moisture and oil in the compressed air are removed through the compressed air drying filter 4, and the dried Compressed air enters the pneumatic conveying pump 5 to convey dry-process aluminum fluoride powder. Moisture and greasy dirt removed by compressed air drying filter 4 are discharged by drain pipe 8 .

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Abstract

The present invention discloses a cooling and conveying technology of powder chemical product, in particular to a cooling and conveying technology of aluminum fluoride powder in dry method production process of aluminum fluoride. In the present invention, the aluminum fluoride powder is cooled in a fluidizing cooler 2 firstly, and then is conveyed to an aluminum fluoride storage 6 by means of an air conveying pump 5. Compared with the prior art, the present invention improves the cooling efficiency and the outgoing quality of aluminum fluoride, and reduces the investment at the same time.

Description

technical field [0001] The invention relates to the cooling and conveying process of powdered chemical products in chemical production, in particular to the cooling and conveying process of dry-process aluminum fluoride powder in the field of aluminum fluoride production. Background technique [0002] In the existing dry aluminum fluoride production process, the aluminum fluoride generated by the ebullated bed reactor enters the cooling cylinder and is cooled by air cooling. The cooled aluminum fluoride is transported to the aluminum fluoride warehouse by a pneumatic pump. [0003] There is following technical problem in such production method: [0004] 1. The cooling tube uses air cooling to reduce the temperature, the cooling efficiency is low, and the effect is poor; at the same time, the cooling tube is bulky and the equipment investment is high. [0005] 2. The original production method using compressed air to transport dry-process aluminum fluoride finished products...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01F7/50
Inventor 王亮张汝发金亚利周凤禄
Owner SHENYANG BOYU TECH
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