A continuous dry ball mill with gas protection
A technology of dry ball milling and gas protection, which is applied in the direction of grain processing, etc., can solve the problem that the atmosphere in the mill is difficult to control, and achieve the effect of avoiding oxidation
Inactive Publication Date: 2018-07-27
贵州清镇市国华材料科技有限公司
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Problems solved by technology
However, it is difficult to control the atmosphere in the mill during the working process of the continuous dry ball mill, which limits its application in materials that are easily oxidized, flammable, explosive, and heat sensitive.
Method used
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[0038] In order to facilitate understanding of the present invention, the present invention will be described in more detail below with reference to specific embodiments. The present invention may be embodied in many different forms and is not limited to the embodiments described in this specification. Rather, these embodiments are provided so that a thorough and complete understanding of the present disclosure is provided.
[0039] In this example, the zinc powder (100 mesh, purity 99.9%), which is easily oxidized in the air, is ground in the presence and absence of protective gas, and the oxygen content in the ground zinc powder is tested. The features and advantages of the present invention (the existence of no protective gas is equivalent to the ordinary commercially available ball mill). In order to facilitate the collection of materials, a commercially available fan (type 9-19 11KW) and a bag filter (36 bags) are used in conjunction with a type of ball mill in the prese...
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The invention relates to a ball grinding machine, in particular to a continuous dry ball grinding machine with gas protection, and aims to provide a ball grinding machine capable of smashing oxidization-liable or combustible and explosive raw materials. According to the technical scheme, the continuous dry ball grinding machine with gas protection mainly comprises a material feeder, a grinding machine and a material receiving device, wherein the material feeder mainly comprises a material feeding system and a pneumatic system; under the common pushing of the material feeding system and the pneumatic system, protection gas and a material enter a grinding barrel together; and under the monitoring of an oxygen content monitor, the oxygen content in the grinding barrel is controlled by adjusting pressure of the protection gas in a gas chamber, so that the material is prevented from being oxidized due to chemical reaction or mechanochemistry in a smashing process, and ball grinding smashing of the oxidization-liable or combustible and explosive raw materials is realized.
Description
technical field [0001] The invention relates to a ball mill, in particular to a continuous dry ball mill with gas protection. Background technique [0002] As a crushing equipment, ball mill is widely used in cement, mineral processing, refractory, silicate products and glass ceramics and other production industries due to its advantages of large output, simple structure and low failure rate. However, it is difficult to control the inner atmosphere of the continuous dry ball mill during the working process, which limits its application in materials that are easily oxidized, flammable and explosive, and have strong thermal sensitivity. Therefore, how to control the oxygen content in the mill by modifying the structure of the existing ball mill and protect the material from oxidation during the grinding process is a major problem encountered in the promotion of ball mills in the high-end field. SUMMARY OF THE INVENTION [0003] The invention overcomes the deficiencies of th...
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IPC IPC(8): B02C17/10B02C17/18B02C25/00B02C23/18B02C23/02
CPCB02C17/10B02C17/1805B02C17/186B02C25/00
Inventor 汪永辉
Owner 贵州清镇市国华材料科技有限公司