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MF LiquidTech™ - Engineered Liquid Solutions for EPB-TBM Muck Solidification Operations
MetaFLO Technologies proudly introduces the MF LiquidTech™ family, a next-generation line of engineered liquid reagents developed specifically for EPB-TBM operations requiring liquid-applied spoils solidification, improved free-water control, and operational flexibility under variable tunneling conditions.
The MF LiquidTech™ Family
MF LiquidTech™ 001 — Rapid Dispersion Liquid Platform
Developed For
- Rapid homogenization requirements
- High-speed liquid reagent distribution
- Continuous injection operations
- Stable EPB-TBM operational environments
المزايا الرئيسية
- Rapid dispersion performance
- Improved liquid distribution
- Efficient liquid application
- تحسين اتساق الغنائم
- تقليل إطلاق الماء الحر
معدلات الجرعات النموذجية
- Between 0.3–0.45%
Operational Range
- Evaluated for high-moisture spoils conditions
- Global EPB-TBM applications
MF LiquidTech™ 003 — European Operational Liquid Platform
Developed For
- European EPB-TBM projects
- Continuous liquid application systems
- Regional operational preferences
المزايا الرئيسية
- Stable liquid application performance
- Improved operational consistency
- Efficient free-water control
- Reliable spoils handling improvement
معدلات الجرعات النموذجية
- Between 0.1-0.40%
Operational Range
- Evaluated for high-moisture spoils conditions
- European tunneling applications
MF LiquidTech™ 004 — Reduced-Impact Liquid Solution
Developed For
- Moderate moisture spoils conditions
- Projects with environmental specification requirements
- Liquid reagent operational flexibility
المزايا الرئيسية
- Reduced environmental profile
- Efficient liquid application
- Improved spoils handling performance
- Stable operational application
معدلات الجرعات النموذجية
- Between 0.1-0.50%
Operational Range
- Moisture conditions up to approximately 45%*
- Moderate free-water environments
- EU and North American EPB-TBM projects
MF LiquidTech™ 005 — Biodegradable Liquid Platform
Developed For
- Projects requiring biodegradable liquid reagents
- Liquid-applied spoils solidification operations
- Improved liquid reagent distribution
المزايا الرئيسية
- Biodegradable formulation
- Rapid dispersion performance
- Efficient liquid application
- تحسين اتساق الغنائم
- تقليل إطلاق الماء الحر
- Lower dosage requirements under comparable conditions
معدلات الجرعات النموذجية
- Between 0.25-0.60%
Operational Range
- Moisture conditions up to approximately 55%*
- Variable EPB-TBM muck conditions
- Global tunneling applications
How to Apply MF LiquidTech
Two Application Methods for EPB-TBM Tunnel Muck Solidification
MF LiquidTech can be delivered using two distinct application methods depending on the TBM specification, the project's existing infrastructure, and operational requirements. Both methods use the same chemistry and differ only in how and where the reagent is delivered to the muck.
Application 1: TBM-Integrated Foam / Polymer Line Delivery
Uses the TBM's existing foam or polymer injection circuit to deliver MF LiquidTech through spray nozzles mounted at the screw conveyor discharge gate.
Project Fit Indicators
- New TBMs specified with MF LiquidTech delivery systems
- Projects where foam volumes are being reduced or eliminated in stable ground
- Long belt drives where maximum passive solidification time is valuable
- High muck-volume projects where dosing infrastructure simplicity matters
- TBMs with existing foam circuit capacity available at the screw discharge zone
- Projects where the TBM PLC will manage MF LiquidTech dosing rates automatically
كيف يعمل؟
1. Reagent Connection
MF LiquidTech is supplied in 1,000-litre IBCs and connected to the existing TBM foam/polymer distribution circuit.
2. Distribution Through Existing Circuit
The existing TBM pump delivers MF LiquidTech through the on-board distribution lines to the screw conveyor discharge area.
3. Spray Nozzle Application at Screw Discharge
Spray nozzles apply MF LiquidTech directly onto the muck stream as it exits the screw conveyor.
4. Passive Mixing on Belt
The belt's natural motion begins working MF LiquidTech into the muck mass. Directional changes at conveyor transfer points provide additional mixing energy.
5. Solidification En Route
MF LiquidTech begins absorbing free water within seconds of contact. By the time the muck reaches the surface or a belt discharge point, the solidification process is well advanced.
Application 2: Standalone Vertical Injector Dosing System
A fully independent dosing system that requires no modification to the TBM and can be deployed on new or existing EPB projects.
Project Fit Indicators
- Retrofit to any TBM already in operation
- Projects where TBM foam is still in active use and circuit sharing is not practical
- Projects requiring precise, independently verified dosing records for regulatory reporting
- Multi-conveyor systems with more than one treatment point needed
- Surface-mounted treatment where underground space is limited
- Projects where dosing rate control needs to be independent of TBM operations
كيف يعمل؟
1. Reagent Storage & Connection
MF LiquidTech is supplied in 1,000-litre IBCs connected directly to the vertical injector.
2. Precise Piston Dosing
The vertical injector delivers a precise, fixed volume of MF LiquidTech per stroke. Dose rate is adjusted through the control system.
3. Inline Flow Verification
An inline flow meter confirms delivery rate in real time.
4. Nozzle Injection onto Belt
MF LiquidTech is delivered through an injection nozzle positioned above the conveyor belt at the selected treatment point.
5. Passive Mixing on Belt
The belt's motion and directional changes at transfer points work MF LiquidTech into the muck mass. Solidification begins within seconds of contact.
6. Solidified Spoils at Surface
The treated muck arrives at the surface collection point as a stable, non-flowing solid ready for loading and disposal.
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