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Superfine type fine-powder ball mill

A ball mill and fine powder technology, applied in the ultra-fine fine powder ball mill, high-speed field, can solve the problems of easy heating, grinding, low filtration efficiency, etc., to achieve the effect of not easy to heat, avoid agglomeration into agglomerates, and large filter area

Inactive Publication Date: 2009-07-29
边浩光
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AI Technical Summary

Problems solved by technology

[0003] In order to overcome the problems that the existing ball mills are easy to generate heat and have low grinding and filtration efficiency, the present invention provides an ultra-fine powder ball mill, which can not only improve the grinding efficiency and filtration efficiency, but also has low requirements on the cooling system. Cost reduction can also be achieved by reducing the diameter of steel balls and reducing the number of steel balls

Method used

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  • Superfine type fine-powder ball mill

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Embodiment Construction

[0009] The ultra-fine powder ball mill of the present invention includes a cylinder body and a power mechanism. The cylinder body (2) is disc-shaped and cylindrical, and the ratio of its axial length to its diameter is less than one-half. There are grinding impellers (5) and several grinding steel balls (4), and the two axial side walls are respectively processed with a center hole and a feed inlet (6). The end of the output shaft (8) of the power mechanism is supported by bearings and The sealing ring is fixed in the central shaft hole of the grinding impeller (5) after being sealed and movable and penetrating the central hole. An annular cavity for forming an annular jacket (7) is processed on the circumferential side wall of the cylinder body (2), and a cooling water inlet and outlet are processed on the circumferential side wall of the cylinder body (2). It is connected with the annular jacket, and then through the external water pump and water pipe, the cooling water can ...

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Abstract

The invention relates to powder processing equipment, in particular to a high-speed ultrafine powder ball mill. A barrel body of the ball mill is designed as a disk-shaped cylinder, wherein the inner wall of the barrel body is provided with a round screen; grinding steel balls are arranged between a grinding impeller and the screen; the circumferential wall of the barrel body has a jacket; the round jacket has a cooling water inlet and a cooling water outlet; and the grinding impeller rotates at a high speed to drive the grinding steel balls to roll on the wall of the screen of the barrel body, thereby grinding the powder.

Description

technical field [0001] The invention relates to a powder processing equipment, in particular to a high-speed, ultra-fine powder ball mill. Background technique [0002] At present, in the production fields of coatings, fuels, inks, magnetic materials, powder metallurgy, bioengineering, battery materials, electronic ceramics and structural ceramics, the axial length of the cylinder of the ball mill used to process fine powder is relatively long, and its axial length is relatively long. The length is 3-5 times its diameter. Due to the longer axial length of the cylinder, the volume of the inner cavity is larger, and more steel balls are needed, which not only tends to generate heat during operation, but also has more steel balls in ineffective motion. Therefore, this ball mill has higher requirements on the cooling system. And because the axial length of the cylinder is long, usually only the screen is set near the discharge port of the cylinder, so that the ratio of the are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C17/16B02C17/18B02C17/20
Inventor 边浩光
Owner 边浩光
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