A multi-stage mixing concrete mixing device

Abstract

The invention discloses a multistage-stirring concrete stirring device which comprises a dry material feeding device, a multistage stirring device and a control device. The dry material feeding device is positioned above the multistage stirring device, both the dry material feeding device and the multistage stirring device are electrically connected with the control device, the dry material feeding device comprises a cement conveying line, a sand conveying line and a gravel conveying line, and cement, sand and gravel are pneumatically conveyed by the dry material feeding device, then enters a belt conveyor and is conveyed to the multistage stirring device by the belt conveyor. Two stirring tanks in up-down arrangement are adopted to stir concrete, the concrete after going through stirring of two times is fully stirred, and components are fully mixed, so that fluidity of the concrete is improved, and the defect that the concrete is prone to caking and setting in the process of conveying is avoided; the multistage-stirring concrete stirring device is simple in structure and easy to operate.

Description

Technical field: [0001] The invention relates to the technical field of concrete production, in particular to a multi-stage stirring concrete mixing device. Background technique: [0002] Concrete is one of the most important contemporary civil engineering materials. It is an artificial stone made of cementing materials, aggregates and water prepared in a certain proportion, shaped by stirring and vibrating, and cured under certain conditions. Concrete mixing system is a commonly used equipment in construction. It mixes cement, gravel, sand and other aggregates with other admixtures, additives and water in a certain proportion and mixes them into concrete slurry before pouring them out and vibrating them to form and dry them. After that is the concrete member. [0003] Usually, there is only one mixing drum on the mixer, and only one independent mixing chamber is set in the mixing drum, which can only complete the preparation of slurry or concrete in a single way. Due to t...

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Problems solved by technology

[0003] Usually, there is only one mixing drum on the mixer, and only one independent mixing chamber is set in the mixing drum, which can only complete the preparation of slurry or concrete in a single way. The needs of the project, and the concrete has only been mixed once, and there may be insufficient mixing, which is prone to defects such as agglomeration and poor fluidity.

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