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Complete colloidal grout mixer pump unit

A complete colloidal grout mixing pump unit integrates high-shear colloidal mixing and pressure grouting pumping into a mobile or stationary system. It is used to produce and inject cement, chemical, or polymer grouts into rock fissures, soil pores, tunnels, and structural voids.

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  Content   2026-06-22

A complete colloidal grout mixer pump unit is a specialized engineering machinery device used for preparing and conveying highly homogeneous cement grout. It is mainly used in construction projects in industries such as hydropower, railways, highways, building construction, and mining. It is used to rapidly mix cement, grouting agents, or filling materials with water to create a grout for subsequent grouting operations.

colloidal grout mixer pump unit
colloidal grout mixer pump unit

This complete colloidal grout mixer pump unit typically possesses the following core features:
1. Integrated Mixing and Pumping: The equipment integrates a mixing mechanism and a pumping mechanism, enabling simultaneous mixing and grouting. It has a compact structure, is easy to operate, and has short-distance conveying capabilities.
2. High-Efficiency Grouting Technology: Compared to general low-speed blade mixers, colloidal cement grout mixers typically employ high-speed impellers combined with vortex grouting technology. An electric motor drives a high-speed turbine pump, creating a strong vortex within the tank, thereby thoroughly and uniformly mixing the dry powder and water to achieve the purpose of preparing a low water-to-binder ratio grout.
3. High Adaptability and Continuous Operation
This type of equipment can inject grout with a wide range of water-cement ratios, making it particularly suitable for thick grouts with high design concentrations. The equipment supports continuous grouting, avoiding excessive instantaneous pulse pressure from the piston pump, facilitating pressure control and maintenance.
4. Automated and Intelligent Control
Modern equipment is typically equipped with a central control system, mass metering devices, and automatic cleaning functions. The central control system controls the opening and closing of one-way valves, enabling quantitative and controllable material addition. After mixing, the pumping device automatically extracts the uniformly mixed grout material for pressurized injection. After use, the equipment can automatically clean the pipelines and mixing tank to prevent grout residue from clumping.

Diesel driven grout injection station
Diesel driven grout injection station

Application scenarios of complete colloidal grout mixer pump unit:
Tunnels/Mines: Anchor grouting, crack filling, waterproofing
Hydropower/Dams: Curtain grouting, reinforcement, seepage control
Railways/Highways: Subgrade stabilization, sleeper backfilling
Buildings/Civil Engineering: Crack repair, anchor grouting, curtain grouting
High-Pressure Jet Grouting: Soil improvement, seepage barriers, foundation reinforcement

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