Consumable parts of domestic grinding equipment

Short life of consumable parts At present, most of the wearing parts of domestic grinding equipment are made of high-manganese steel. The material is single, improperly used, can not fully exert the cold work hardening effect, low service life, only foreign wear-resistant materials One of the wear-resistant materials is therefore very astounding. There are reports that the annual consumption of crushing equipment linings in the country is about 500,000 grinding medium consumption is more than 10,000. The degree of automation is low. The degree of automation marks the mining machinery.

In the 1980s, computer automation simulation control was widely used in grinding equipment units. However, China began to use it in some large-scale concentrating plants until the end of the generation, while the small and medium-sized concentrator has lower automation level, which is limited to program operation control, equivalent to foreign countries. The level of the 50s and 60s. The backwardness of the grinding equipment is the main reason for the unreasonable grinding process of small and medium-sized concentrator, high energy consumption steel and low economic efficiency.

Current status of crushing process The small and medium-sized concentrator currently being produced in China has basically the following crushing processes: the two-stage open road, two sections, one closed circuit and three sections, one closed-circuit grinding process, generally a section of grinding Grade and two grades.

Most small and medium-sized concentrators have caused unreasonable working conditions in the grinding process due to the backward performance of equipment technology. Mainly reflected that the crushing process is relatively small, the grinding mill has a large particle size, which makes the grinding process energy consumption, low efficiency and reduced processing capacity. This kind of crushing and grinding process has caused the consumption of electric power consumption steel in China's small and medium-sized concentrating plants to be high and the economic benefits are poor.

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