Reversing Drum Mixers

 

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The mixing drum is the working part of the drum mixer. The mixing drum is double-conical, and two pairs of high and low blades are welded inside the drum. They are arranged crosswise and form a certain angle with the axis of the mixing drum. When the mixing drum rotates, the blades lift and drop the material while also causing the material to move back and forth axially.

Concrete mixers can be divided into self-falling mixers (drum mixers) and forced mixers according to their working principles. As two different types of concrete mixers, they have the following differences.

1. Different working principles

The reversing drum mixers rely on the rotation of the mixing tank to raise the concrete inside to the top of the tank and then fall down, so that it is mixed in a continuous cycle. The mixing drum of the self-falling mixer is placed vertically. As the mixing drum rotates, the concrete mixture is stirred in a free fall-like manner in the mixing drum, thereby achieving the purpose of mixing.

2. Different performance characteristics

The drum and blades of the rotating drum mixer are less worn and easy to clean, but the power consumption is large and the efficiency is low. The self-falling mixer mainly uses the deadweight of the material in the mixing drum to work, which is more energy-saving. However, due to the influence of material adhesion and friction, the mixing process has a greater wear on the concrete aggregate, which has an adverse effect on the quality of the concrete, so the self-falling type is gradually being replaced by the forced mixer.

 

Ningdu Xingye Machinery Manufacturing Co., Ltd.

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