Incompressible Liquid Bladder for Explosive Tamping
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Solution Overview
Problem
Traditional tamping methods for explosives are time-consuming and often require increased numbers or sizes of explosives, leading to higher costs and safety risks due to inefficiencies.
Innovation Solution
A bladder system filled with an incompressible liquid, such as water, that includes an explosive retaining member like a sleeve to securely hold explosives in place without adhesives, allowing for efficient energy redirection during detonation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional tamping methods are used, then explosives can be contained, but the process is time-consuming and requires more explosives
Solution Approach 1:
The patent uses a water-filled bladder to provide hydraulic pressure for tamping explosives. The incompressible water transmits force uniformly to compact the explosives against the borehole wall, replacing traditional mechanical tamping methods and significantly reducing tamping time while improving efficiency.
Solution Approach 2:
The bladder acts as an intermediary between the water pressure source and the explosives. It distributes the hydraulic force evenly across the explosive charge, ensuring effective compaction without direct mechanical contact, thereby reducing tamping time and improving productivity.
2Reliability
If traditional tamping methods are used, then explosives can be secured, but the number or size of explosives must increase
Solution Approach 1:
The hydraulic pressure from the water-filled bladder provides uniform and consistent force to secure the explosives against the borehole wall. This reliable containment allows for more effective use of each explosive charge, reducing the total number or size of explosives needed while maintaining containment reliability.
3Reliability
If traditional tamping methods are used, then explosives can be directed, but safety risks increase
Solution Approach 1:
The use of water-filled bladder provides controlled and uniform pressure distribution, ensuring predictable energy direction. This hydraulic control mechanism reduces the risk of uncontrolled explosive expansion and minimizes harmful effects, improving safety while maintaining reliable energy direction.
4Manufacturing precision
If explosives are held tightly in position, then effective tamping is achieved, but the device complexity increases
Solution Approach 1:
The hydraulic system provides automatic and uniform pressure distribution when water is introduced into the bladder. This self-regulating mechanism achieves precise explosive positioning without complex mechanical adjustment devices, maintaining manufacturing precision while minimizing device complexity.
Solution Approach 2:
The system uses changes in water volume and pressure as controllable parameters to achieve precise explosive positioning. By varying the hydraulic pressure parameter, the system can adapt to different positioning requirements without increasing structural complexity.
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 bladder system reduces the number of explosives needed, decreases safety risks, and simplifies the tamping process by securely holding explosives in place with the incompressible liquid, directing energy effectively and minimizing collateral damage.
Implementation Method 1
The reservoir is configured to hold an incompressible liquid therein. When the reservoir is filled with the incompressible liquid, the one or more explosives are held tightly in position.
Implementation Method 2
When the incompressible liquid within the reservoir is in a filled condition, the liquid extends around three sides of the one or more explosives to provide effective tamping.
Data Source
AI summary
A bladder for tamping explosives, the bladder having a reservoir with a sealable opening at a top end thereof, the reservoir being configured to hold an incompressible liquid, and an explosive retaining member disposed on a rear side of the reservoir, the explosive retaining member being configured to hold one or more explosives against the rear side of the reservoir.