Powder processing and smashing significance

　　Inert gas protective gas flow grinding isolate oxygen. Before the equipment is started, the air in the closed circulation system is started, and the air is closed, and the discharge system can be replaced with a small amount of air brought by the addition and discharge process, and maintains the content of the system in the system. In the process, the oxygen content tester continuously monitors the oxygen content in the airflow, and nitrogen is supplemented immediately when it exceeds some extent, so that the oxygen content is always maintained within the safety production standard.Powder Processing is an indispensable process flow in process industrial production, mainly including crushing, grinding, homogenization, grading, drying, collecting, mixing, storage, shipment, and certain powders.

　　The modified granulation of the product, and there are also transportation (metering) operations during each step. The pulverization machine is to use mechanical force to pulverize the solid material so that it is a small piece, fine particles or powder. Crushed machinery is a general term for crushing machinery and pollen milling. The comparative conventional classification is: the amount of particle size greater than 3 mm in the discharge accounts for more than 50% of total discharge, referred to as crushing machine; less than 3 mm content accounts for more than 50% of total discharge, is called a powder mill.

　　With the advancement of science and technology, the development of the powder industry has entered the nano-grade area, and the classification of crushing equipment will also be more refined. Classification of pulverized: Differently, pulverization can be divided into two stages of crushing and grinding depending on the requirements of the processing material. Broken can be divided into three categories of crushed, smash and fine. Grinding can also be divided into three categories: coarse grinding, fine mill and ultrafine mill.

　　Definition, significance, purpose, and method

　　Solid material overcomes its cohesive force under external force It is called smashing.

　　2, smashing meaning

　　Generally, every 1T cement is produced, about 4T to 4 T, for each production of 1T cement. The amount consumed in the pulverization operation accounts for about 70% of the total consumption of the entire cement production. The consumed steel accounts for about 50% of the total steel consumption. Crush costs account for more than 35% of the total cost of cement production. Among them, the power consumption of crushing materials accounts for about 10% to 12%.

　　3, the purpose of pulverization:

　　1) Improve the fluidity of the material and facilitate delivery and storage.

　　2) Easy to homogenize the material, improve the uniformity of the material.

　　3) Reduce the abrasive materialThe particle size, improve the yield production, and reduce the grinding power consumption.

　　4) Increase the specific surface area of ​​the material and improve the drying efficiency.

　　4, pulverization method

　　1) Crushing: the material is broken in an instant to abandon the impact force.

　　2) Crushing: The method of being crushed between the two working surfaces is called crushing. This crushing method is suitable for crushing large hardware.

　　3) Ground: The method of being pulverized by the effect of two relative moving work surfaces, or the friction between the various shapes of the grinding body is referred to as grinding.

　　4) Stroke: The material is crushed between the sharpness of the sharp edge surface. This method is much suitable for crushing brittle materials.

　　5) Fold: The material is crushed by pressure between two mutually disordered ribs. This method is mainly suitable for crushing brittle materials.

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