Concrete mixer is one of the indispensable equipment in construction engineering. Its main function is to fully mix the concrete raw materials to ensure the uniformity and stability of the concrete. Concrete mixers play a key role at all stages of a construction site, providing strong support to a building’s structure. This article will introduce the working principle, types and importance of concrete mixers in construction projects.
Working Principle of Concrete Mixer
The concrete mixer mixes concrete raw materials such as cement, sand and aggregate through the rotating motion of the mixing disc. Its working principle can be simply described as: the stirring plate is constantly rotating, so that the concrete raw materials are properly mixed in the stirring plate to produce uniform concrete. The rotation speed and mixing time of the mixing disc can be adjusted according to the concrete formula and specific requirements to ensure the mixing effect and quality.
Common Types of Concrete Mixers
1. Compulsory mixer: Compulsory mixer mixes concrete raw materials by force, and can achieve high mixing effect in a short time. It is suitable for large-scale construction projects, capable of handling large batches of concrete, and the mixing effect is stable and reliable.
2. Free-fall mixer: Free-fall mixer is a relatively common mixing equipment. It mixes the concrete raw materials through the free fall movement of the mixing plate. Compared with the forced mixer, the mixing effect of the free-fall mixer is slightly worse, but it has better adaptability in small and medium-sized construction projects.
3. Rotary mixer: A rotary mixer is a device that mixes concrete raw materials along a horizontal axis of rotation. It is suitable for situations that require long-time mixing, such as special concrete, dry-mixed mortar, etc. The mixing effect of the rotary mixer is better, which can effectively ensure the quality and uniformity of the concrete.
The Importance of Concrete Mixer in Construction Engineering
Improve work efficiency: The concrete mixer can efficiently complete the mixing work of large quantities of concrete, which greatly improves the construction efficiency. It can complete a large number of mixing tasks in a short time, reducing the time and labor intensity of manual operations.
Guarantee the quality of concrete: the concrete mixer can fully mix the concrete raw materials to ensure the uniformity and stability of the concrete. By controlling the stirring time, stirring speed and stirring method, high-quality coagulation that meets the design requirements can be obtained.
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