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Target plate type air-stream mill based sepiolite mineral powder super-fine crushing device

A jet mill and sepiolite technology, applied in grain processing and other directions, can solve the problems of mine dust environmental pollution, general work efficiency, large operating expenses and floor space, etc., to reduce investment, avoid flying, and save floor space. Effect

Pending Publication Date: 2020-03-06
XIANGTAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional ultra-fine crushing equipment such as mechanical impact ultra-fine mills, stirring mills, and sand mills cannot protect mineral crystals well, and their work efficiency is average, and they require a lot of operating costs and floor space, and they also generate mineral dust. environmental pollution issues

Method used

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  • Target plate type air-stream mill based sepiolite mineral powder super-fine crushing device
  • Target plate type air-stream mill based sepiolite mineral powder super-fine crushing device
  • Target plate type air-stream mill based sepiolite mineral powder super-fine crushing device

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1, refer to Figure 1 to Figure 3 , the present invention includes a powder classification collector 1, a target plate 4, a gas-solid mixing pipeline 5, a feed hopper 6, a negative pressure adsorption gas-solid mixer 7 and a pressure pump 10, and an inlet is arranged above the negative pressure adsorption gas-solid mixer 7. Hopper 6, one end of negative pressure adsorption gas-solid mixer 7 is connected to pressure pump 10 through an airflow pipeline, one end is connected to gas-solid mixing pipeline 5, and the other end of gas-solid mixing pipeline 5 is connected to powder classification collector 1 through a nozzle. The gas-solid mixing pipeline 5 is an L-shaped elbow, and the target plate 4 is obliquely arranged at the inner corner of the L-shaped elbow. The sepiolite powder enters the mixer through the feed port 6, mixes with the high-pressure airflow, and then enters the gas-solid mixing pipeline 5, where it is crushed for the first time in the gas-solid...

Embodiment 2

[0017] Embodiment 2, refer to Figure 1 to Figure 3 , the surface of the target plate 4 is attached with more than one small protruding round platform, which can deepen the degree of crushing of the sepiolite ore powder and improve the crushing efficiency of the device. The rest are the same as any other embodiment of the present invention or the combination of more than two embodiments.

Embodiment 3

[0018] Embodiment 3, refer to Figure 1 to Figure 3 , the end of the nozzle is provided with a nozzle 3 extending into the powder classification collector 1, a Kangda block 2 is arranged below the nozzle 3, and a fine powder collection chamber, a medium powder collection chamber and a fine powder collection chamber are arranged next to the Kangda block 2 from near to far. The coarse powder collection chamber, the fine powder collection chamber, the medium powder collection chamber and the coarse powder collection chamber are located at the bottom of the powder grading collector 1, and the powder is sprayed out of the pipeline through the nozzle 3. Due to the existence of the Kangda block 2, combined with the attachment of the sepiolite powder Wall effect, the powder enters different collection chambers according to its particle size. The rest are the same as any other embodiment of the present invention or the combination of more than two embodiments.

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Abstract

The invention discloses a target plate type air-stream mill based sepiolite mineral powder super-fine crushing device which mainly solves the technical problems that an existing sepiolite crushing device is low in crushing efficiency, cannot keep the original crystal structures of the minerals, is liable to excessively wear, and the like. According to the technical scheme adopted by the invention,the key point is that the target plate type air-stream mill based sepiolite mineral powder super-fine crushing device comprises a powder grading collector (1), a target plate (4), a gas-solid mixingpipeline (5), a negative-pressure adsorbing gas-solid mixer (7) and a pressure pump (10), wherein one end of the negative-pressure adsorbing gas-solid mixer (7) is connected to the pressure pump (10)through a gas flow pipeline, one end of the negative-pressure adsorbing gas-solid mixer (7) is connected to the gas-solid mixing pipeline (5), and the other end of the gas-solid mixing pipeline (5) isconnected to the powder grading collector (1) through a spray tube; the gas-solid mixing pipeline (5) is of an L-shaped bent tube; and the target plate (4) is arranged on the corner in the L-shaped bent tube. The target plate type air-stream mill based sepiolite mineral powder super-fine crushing device is mainly applied to sepiolite crushing.

Description

technical field [0001] The invention relates to the field of ultrafine crushing of non-metallic ores, in particular to a device for ultrafine crushing of sepiolite ore powder based on a target plate type jet mill. Background technique [0002] Sepiolite is a hydrous magnesium silicate clay mineral with a crystal structure of layers, chains and fibers, and has nanotube-shaped through-channels with consistent fiber extension directions. High-purity sepiolite ore powder has large specific surface area, high porosity, good adsorption, catalytic, rheological properties, salt resistance and high temperature resistance, and is widely used in petroleum, chemical, metallurgy, building materials and light industries. It is one of the most widely used non-metallic minerals. The basic research of sepiolite in recent years shows that sepiolite single crystal particles have a nano-scale channel structure with high aspect ratio, its single crystal strength is higher, and its interface act...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C19/00B02C23/24B02C23/20B02C21/00B02C25/00
CPCB02C19/0043B02C19/005B02C21/00B02C23/20B02C23/24B02C25/00
Inventor 周友行宋佳林徐长锋赵玉易倩
Owner XIANGTAN UNIV