Product Introduction

The roller press is a new crushing equipment developed in the world. The new extruding grinding process, which is mainly composed of it, has remarkable effect in energy saving and has been widely valued by the international cement industry. It has become a new technology for the development of grinding process. The machine adopts the principle of low energy consumption for high pressure material layer crushing and adopts the working mode of single particle crushing group. After high pressure extrusion, the size of brittle materials decreases rapidly, the fine powder content less than 0.08mm reaches 20-30%, and the material less than 2mm reaches over 70%. Compared with the grinding system without the equipment, the grinding system with this equipment can increase the output by 50-200%, and the per unit power consumption can be reduced by 20-35%. At the same time, the noise and dust of equipment work are reduced, which improves the working environment of workers and fully shows its excellent economic and social benefits.

Scattered classifier is appeared in the early ninety, it is a new type of material scattering and sorting equipment, aggregate material scattering and particle classification are integrated. Used in conjunction with the extruder, it can eliminate material leakage at the edge of the extruder and large particles that are not fully extruded in the process of startup and shutdown and normal operation of the extruder. To avoid the adverse effect on the ball grinding system, the effect of greatly increasing production and saving energy can be achieved.

Since the mid-1980s, extruders have been widely used in the world because of their high efficiency, energy saving and low consumption. With the application of extrusion machine, even though the extrusion of the material with 70% less than 2 mm particles, and accounts for about 25% ~ 30% less than 0.08 mm of finished product, but still accounts for about 10% ~ 15% greater than 5 mm larger particles. Moreover, with the extension of the life cycle of the extruder, the side baffle fails to be replaced in time after wear, and the proportion of large particles will increase. Therefore, the particle distribution of the extruded material is very wide, which makes it more difficult for the subsequent ball grinding ball to adapt to the above materials, affecting the further increase of the system output. In order to further improve the extrusion grinding system and make the material particles entering the subsequent grinding system small and uniform, it has become the main content of the extrusion grinding technology research in various countries, and a variety of equipment and new processes have been developed successively to achieve the above purpose.

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