A grinding machine and grinding method

Abstract

The invention discloses a crushing and grinding machine for crushing and grinding materials. The crushing and grinding machine comprises a casing, a material inlet passage, crushing and grinding barrels, a lifting barrel, a screen mesh, a discharge passage and driving devices, wherein the casing is used for providing a space for crushing and grinding materials; the material inlet passage is arranged on the casing and is used for enabling the materials to be input; the crushing and grinding barrels are annularly arranged in an inner cavity of the casing, communicate with the material inlet passage, and are used for crushing and grinding the materials; the lifting barrel is arranged at a circle center axis of the crushing and grinding barrels, communicates with the bottoms of the crushing and grinding barrels, and is used for lifting crushed and ground materials; the screen mesh is arranged at a discharge direction at the upper end of the lifting barrel, and is used for sieving standard finished products from standard exceeding semi-finished products in the crushed and ground materials, and a part above the screen mesh communicates with the crushing and grinding barrels to be used for transmitting return products of the standard exceeding semi-finished products; the discharge passage is arranged under the screen mesh, and is used for outputting the standard finished products; the driving devices are connected to the crushing and grinding barrels and the lifting barrel, and are used for outputting power. The invention also provides a crushing and grinding method. According to the crushing and grinding machine and the crushing and grinding method disclosed by the invention, the production cost can be effectively reduced, the floor space of equipment is reduced, the operating process can also be simplified, and the production efficiency is improved.

Description

technical field [0001] The invention relates to the field of powder manufacturing equipment, and more specifically, to a pulverizer and a pulverizing method. Background technique [0002] Ultrafine grinding and fine grinding are one of the most important deep processing methods for various minerals. With the rapid development of contemporary social economy, the social demand and production of various metals, non-metals, chemical minerals, and materials such as cement and building materials The scale is expanding day by day, and the amount of materials that need to be crushed and ground is increasing rapidly. At present, the annual output of brittle materials in my country has reached more than 1.5 billion, including about 240 million tons of iron ore, more than 100 million tons of non-ferrous metal ores, and more than 260 million tons of non-metallic minerals. , more than 30 million tons of chemical minerals, more than 400 million tons of cement, and more than 470 million tons...

AI Technical Summary

Problems solved by technology

In the specific implementation, the user often needs to overcome many problems and assemble the above-mentioned kinds together. In this way, many equipments of these complex processes form a very long production line, the process flow is very long, there are many equipments, and the floor area is very large. Large, high production costs; at the same time, the materials that do not meet the crushing requirements after one crushing need to be re-transported to the crushing equipment for crushing through a special return mechanism, then screened, and then returned to be reprocessed. In this way, the operation is very complicated. Low work efficiency, not suitable for mass production

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