Explosive Charge Deactivation Composition
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The disposal of unused explosives is costly and environmentally hazardous due to their remaining activity beyond shelf-life, with current methods like open air burning and disassembly posing environmental risks and requiring expensive handling and storage solutions.
Innovation Solution
Incorporating a deactivation composition within the charge cavity of explosive charges, which transitions to an active state upon exposure to a specific temperature, deactivating the explosive material and reducing the need for conventional disposal methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional disposal methods (open air burning, disassembly) are used, then explosives can be disposed of, but environmental hazards and high costs occur
Solution Approach 1:
A deactivation composition is incorporated into the explosive charge during manufacturing, positioned to contact the explosive material. This preliminary placement ensures that when the explosive's shelf life expires, the deactivation composition is already in position to neutralize the explosive material, eliminating the need for hazardous disposal methods and reducing environmental impact.
Solution Approach 2:
The deactivation composition acts as an intermediary substance between the explosive material and the environment. It chemically interacts with the explosive material to neutralize it, converting potentially hazardous explosive compounds into safe, non-explosive substances, thereby preventing environmental contamination during disposal.
2Duration of action of stationary object
If explosives are stored beyond shelf-life, then they remain available for use, but storage costs and safety risks increase
Solution Approach 1:
The deactivation composition is pre-positioned within the explosive charge structure, ready to contact the explosive material upon shelf-life expiration. This preliminary arrangement allows the system to automatically transition from an active explosive state to a deactivated state without requiring external intervention, ensuring safe storage beyond shelf-life while maintaining availability for controlled deactivation.
3Reliability
If deactivation composition is added to explosive charge, then deactivation capability is provided, but device complexity increases
Solution Approach 1:
The deactivation composition is merged with the existing explosive charge structure by placing it in direct contact with the explosive material within the charge cavity. This integration approach combines the deactivation function with the existing charge components rather than adding separate, complex deactivation systems, thereby providing deactivation capability while minimizing 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
This approach effectively deactivates explosives, avoiding expensive storage and disposal costs while minimizing environmental impact by rendering the explosives incapable of detonation, thus eliminating the need for hazardous disposal methods.
Implementation Method 1
the deactivation composition transitions to an active state upon exposure to a specific temperature
Data Source
AI summary
A perforating gun assembly includes a body having an axial length extending between a first axial end and a second axial end, an outer radial surface extending between the first axial end and the second axial end, and an inner bore and at least one explosive charge extending from the outer radial surface to the inner bore. The at least one explosive charge includes a charge casing and a cavity liner mounted within the charge casing. The charge casing and the cavity liner define a charge cavity there between. The at least one explosive charge further includes an explosive material retained within the charge cavity. The at least one explosive charge further includes a deactivation composition retained within the charge cavity.