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Grout station plant

A Grout Station Plant is a specialized system designed for the preparation, storage, and delivery of grout, primarily used in tunneling, underground construction, foundation works, and structural repair projects. It is often part of larger operations such as TBM (Tunnel Boring Machine) tunneling, pipe jacking, or ground improvement projects.

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  Content   2025-05-30

A grout station plant is an integrated system used in construction and engineering projects to mix and inject grout materials. It typically combines a mixer, agitator, and grout pump into a single unit, facilitating efficient and continuous grouting operations.

colloidal mixer agitator with pump
colloidal mixer agitator with pump
Grout plant for tunnel project
Grout plant for tunnel project

Applications of grout station plant:

Sector Use Case
Tunneling Annulus grouting behind TBM segments
Pipe Jacking / Microtunneling Lubrication and void filling
Foundation Works Soil stabilization, underpinning
Structural Repair Crack injection in concrete structures
Mine Support Roof bolting, rock reinforcement
Railway Track Bed Grouting Stabilization of ballast and subgrade

 

Benefits of a Grout Station Plant:

Benefit Description
Consistent Grout Quality Precise dosing ensures uniformity
High Efficiency Continuous operation supports fast tunneling progress
Automation Ready Integrates with TBM or monitoring systems
Safety & Reliability Reduces manual handling and errors
Cost-effective Minimizes rework and delays due to poor grouting
Easy Maintenance Modular design allows easy access and cleaning
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Injection grout plant (grouting plant/grouting equipment system) is an integrated equipment system for grout preparation and injection in geotechnical engineering, construction and geological disaster management. Its core functions, technical features and application scenarios are as follows:
Core functions and equipment composition
Grout preparation system
Double-shaft mixer: adopts variable frequency speed regulation technology to achieve accurate proportioning of raw materials such as cement, water glass, bentonite, etc. (proportioning accuracy ±1%) to ensure slurry uniformity.
High-speed pulping machine: through the action of centrifugal force (speed ≥1450r/min), the powder is quickly dissolved, and the preparation efficiency is increased by 40% compared with traditional equipment, which is suitable for ultra-fine cement-based slurry.
Automatic batching system: integrated with screw conveyor, electronic scale and PLC controller to realize automatic metering and transportation of raw materials and reduce manual intervention.
High-pressure injection system
Piston pump group: adopts three-cylinder single-acting reciprocating pump (such as SGB6-10 type), with an output pressure of more than 10MPa and a flow rate of 6-10L/s, supporting single-liquid slurry and double-liquid slurry (cement-water glass) injection.
Intelligent control system: real-time monitoring of grouting pressure, flow and cumulative grouting volume, automatic generation of construction records (in compliance with GB/T 50448-2015 specifications), and support for cloud data storage and traceability.
Explosion-proof design: For high-risk environments such as coal mines, the equipment is equipped with explosion-proof motors, intrinsically safe circuits and pressure relief valves to ensure construction safety.