The Development History of Concrete Mixer in China

After centuries of development, the concrete mixer tells us that technology is the first productivity. With the development of concrete material and construction technology concrete mixer for sale, many new structure types of concrete mixer has appeared , such as the steam heating mixer, the supercritical speed mixer, sound wave mixer, swing disc mixer without mixing blade and the secondary mixing concrete mixer and so on. In early twentieth Century, drum concrete mixers driven by steam engines have begun to appear.

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After 1870s, with the application of lightweight aggregate materials, the circular groove horizontal shaft type forced mixer has appeared, it is also divided into two types of a single horizontal shaft concrete mixer and twin horizontal shaft concrete mixer, it has two kinds of mixing characteristics of self down and forced. The linear velocity of the mixing blade is small, and it has many advantages, such as good wear resistance, low energy consumption and fast development. The mixing blades are installed on the rotary arm frame in the stirring cylinder of the concrete mixer, the materials joint the mixer drum will form a cross logistics under the strong agitation of the mixing blades. The effect of this stirring mode is stronger than the self dropping mixing mode. It is mainly suit for the mixing of dry and hard concrete.

Continuous concrete mixer is installed a helical mixing blades block making machine, according to the mixing ratio, all kinds of materials can be respectively carried into the mixer by the continuous weighing. The stir well concrete will continuously discharge outward from...