Development History Of Large Impact Crusher In ChinaLast Update:2020-05-01 15:16:19
With the continuous development of crushing technology, the types of crushing equipment are constantly updated. How many people know how many technology upgrades have taken to achieve such an efficient version of the large-scale counterattack that everyone is familiar with now? How many people know the development history of large-scale impact crusher? Many people only know that the large impact crusher is common in the ore crushing process of the ore production line, but they do not know the development history of the impact crusher.
With the development of productivity, jaw crusher can not fully meet the needs of crushing technology, so on the basis of jaw crusher, people have designed the impact crusher. The development history of the impact crusher can be traced back to the 1850s, which is a long time since the birth of the world's leading jaw crusher. This era is the beginning of the impact crusher.
In 1924, Germany first developed two types of impact crusher, single rotor and double rotor. At that time, the structure of the crusher was similar to that of the modern squirrel cage crusher. No matter from structure or working principle, squirrel cage crusher has the characteristics of impact crusher. Due to the limitation of the feeding force and the capacity of the impact crusher, its model is gradually transformed into a squirrel cage crusher, which is often used for the fine crushing of materials under medium hardness.
It was not until the late 1980s that China introduced foreign hard rock impact crushers to fill the gap in this field in China. But the related technology lags behind the foreign countries for more than 20 years. The domestic hard rock impact crusher relies on the import of its core parts plate hammer in its early development. During the Eighth Five Year Plan period, the domestic plate hammer was listed as a key scientific research project at the ministerial level. After the success of the research and development project of domestic plate hammer, the domestic plate hammer has not only replaced the import, but also exported to Europe, America, Japan and other countries in large quantities.
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