Secondary Impact Crusher in processing building material

Secondary Impact Crusher can crush the material by using impact energy, which is developed on many years’ experience of our Liming Heavy Industry Company. When it is driven by the motor to work, the rotor runs at high speed, then the material is fed into the plate hammer area and is crushed into pieces by striking with the plate hammer, finally, it is smashed again by being tossed on the impacting equipment. The process will repeat and the material enters the first, second & third impact cavity to crush repeatedly until the material ejected out with the proper granularity. And by adjusting the interval between the impact shelf and rotor can change the granularity and shape of the material.

The building material is the material foundation of construction and structures with the developing of social production and material science. And the human society’s developing history is with the developing of the material’s invention and progress. The road and bridge building is a very important constitute of civil engineering. The road building material is used for roadbed, road surface, bridge, tunnel, etc. and forms the building material.

Secondary Impact Crusher of Liming Heavy Industry can meet the different requirement of crushing of different building materials. It can handle with the material from 100mm to 500mm with the highest compression strength of 350MPa. It has the characteristic of high ratio of reduction, the cubic granule after crushing, which is suitable for medium material such as the limestone in cement factory with the advantage of high production capacity and small granularity.

After the solid material’s crushing, the inner crystal structure starts to change, the surface energy is increasing, and the unit area is increasing, too. Thus it increases the physic and chemical reaction speed with easy mixture and homogenizes effect, which can supply the beneficial starting. Secondary Impact Crusher invented by Liming Heavy Industry is based on hammer crusher with its usage in production in 1924. Same as the hammer crusher, they are both using the impacting energy to crush the material and have many similar on working principle and performance. But the Liming Secondary Impact Crusher has a rigid connection between the hammer and rotor with the upward crushing angleofembrace in cavity. When the big material enters into the feeder, it is firstly impacted and crushed by the high speeding hammer from above and down. Then it is thrown onto impact board for crushing by the hammer or rebounded into broking area and then repeat. Meanwhile, the material will run into each other and into pieces. After many smashing, the material can ejects out under the granularity is smaller than the rival. Otherwise, it will be milled and grinded under the rigid hammer until it is ejected. So, Secondary Impact Crusher has mainly three factors, which are free crushing, rebound crushing and milling crushing.

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