, sand and gravel aggregate is mixed with water and mixed with machinery made of concrete mix. Mainly by the mixing drum, charging and discharging mechanism, water supply system, the prime mover, transmission, chassis and supporting device.
In order to ensure the quality of the mixing of concrete, concrete materials uniform mixing, mixing time is short, fast discharge, low residue, low energy consumption and less pollution. The main factors affect the quality of concrete mixer: the structure in the form of a stirrer, the ratio of the geometric volume of the feed capacity of the mixer and the mixing drum, mixing procedures and feeding of the material feeding position, the blade configuration and arrangement of the geometric angle was stirred, stirring speed and blade liner wear conditions.The concrete mixer choice of three kinds of quantities and schedule requirements, design concrete type selection, selected according to the characteristics and consistency of the composition of the concrete.
1, according to the quantities and schedule requirements select concrete projects large and long duration, should be chosen medium or large stationary concrete mixer or mixing station. Concrete works a small amount of short-term duration, should be selected small and medium-sized mobile mixer.
2, according to the kind of design concrete mixing concrete, plastic or semi-plastic when advised to use self-loading mixer. Such as mixing concrete, high strength, dry hard or lightweight concrete, should use compulsory mixer.
3, according to the composition of the concrete characteristics and consistency, should use larger capacity such as mixing concrete consistency and aggregate size. Such as large aggregate size of concrete mixing consistency, should use the mixing tube speed faster self-loading mixer. Consistency aggregate size hours should use compulsory mixer or in small-capacity cone reversal discharging mixer.
