Plasma Torch Tunneling Robot for Rapid Underground Infrastructure
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Solution Overview
Problem
Current tunneling technologies for underground power and pipeline infrastructure are slow and expensive, limiting the deployment of renewable energy transmission lines and storage solutions, as they require large machinery and significant labor, leading to delays and increased costs.
Innovation Solution
The development of a rapid burrowing robot (RBR) that uses ultra-high temperature rotating plasma torches to dig tunnels quickly and efficiently, reducing costs by 80% and enabling the installation of high voltage transmission lines and energy storage solutions underground, facilitating the integration of renewable energy sources like wind and solar power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional tunnel boring machines are used, then tunnels can be constructed with existing technology, but the construction speed is slow (about 10 meters per day) and costs are high
Solution Approach 1:
The patent replaces the mechanical cutting and removal system of conventional tunnel boring machines with a plasma-based system. The plasma torches melt and vaporize rock and soil through thermal energy, eliminating the need for mechanical cutters, shields, and complex soil removal mechanisms. This substitution enables dramatically faster tunneling speeds while reducing mechanical complexity.
Solution Approach 2:
The invention changes the fundamental parameter of energy delivery from mechanical force to thermal energy. By using plasma torches that generate extreme temperatures (thousands of degrees Celsius), the system transforms the physical state of ground material from solid to molten/vaporized, allowing rapid removal and enabling construction speeds far exceeding conventional mechanical methods.
2Strength
If large tunnel boring machines are used, then tunnels can be bored through hard rock, but the equipment requires assembly at each job site and disassembly to move to the next location
Solution Approach 1:
The plasma-based system replaces the massive mechanical structure of conventional TBMs with a more compact plasma torch assembly. The plasma system requires no large cutting wheels, shields, or internal mechanical components that would need assembly and disassembly. The simplified equipment can be rapidly deployed and relocated between sites.
Solution Approach 2:
The tunnel boring system is divided into modular plasma torch units that can be independently positioned and operated. Multiple torches can work simultaneously at different locations around the tunnel face, enabling the system to handle hard rock while maintaining a compact, easily deployable configuration.
3Productivity
If conventional tunnel boring machines are used, then tunnels can be constructed, but large slurry pipes and conveyor belts are needed to move soil out of the way
Solution Approach 1:
The plasma torches heat the rock and soil to extreme temperatures, causing phase transitions from solid to molten and vaporized states. The resulting molten material flows naturally away from the tunnel face under gravity, and vaporized material is removed by gas flow. This eliminates the need for slurry pipes, conveyors, and complex soil removal infrastructure.
Solution Approach 2:
The plasma system extracts and removes ground material through thermal vaporization and melting, directing the removed material away from the tunnel through gas flow and gravity. This extraction method eliminates the need for mechanical soil handling systems, slurry circulation equipment, and associated infrastructure.
4Productivity
If conventional tunnel boring machines are used, then tunnels can be bored, but the machines are expensive to operate requiring significant power and labor
Solution Approach 1:
The plasma system replaces energy-intensive mechanical cutting operations with thermal energy delivery. While plasma generation requires significant electrical power, it eliminates the need for massive mechanical drive systems, hydraulic pumps for slurry circulation, and extensive labor for operation and maintenance. The overall energy efficiency is improved by eliminating multiple energy conversion stages and mechanical losses.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The RBR enables the rapid installation of underground transmission lines and energy storage solutions, significantly reducing costs and time, while enhancing the reliability and security of energy infrastructure by creating self-healing neural networks and mitigating the impact of adverse weather and vandalism.
Implementation Method 1
uses ultra high temperature rotating plasma torches to dig tunnels quickly
Implementation Method 2
The RBR gasifies and/or melts rocks underground to create a sealed tunnel
Implementation Method 3
The RBR gasifies and/or melts rocks underground to create a sealed tunnel
Data Source
AI summary
A tunnel boring machine including a propulsion system, an enclosure carried by the propulsion system, and a torch support structure carried by the enclosure. The torch support structure can include a primary disc mounted on a rotatable shaft carried by the enclosure, a first plurality of plasma torches mounted to the primary disc, and a power supply cable coupled to the enclosure and adapted to supply power to the boring machine from one or more power sources.