Modular Neutralizing Body With Interchangeable Nozzles
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Solution Overview
Problem
Existing neutralization devices for explosives and ammunition lack flexibility in maintaining a constant distance during combustion, leading to inefficient energy application and reduced performance, especially when dealing with varied casing materials like Bakelite.
Innovation Solution
A modular neutralization body with interchangeable nozzles of different shapes and sizes, allowing for site-specific selection to match the geometry to the object, combined with a pyrotechnic charge composition that generates high heat and gases, ensuring effective penetration and ignition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed nozzle shape is used in the neutralizing device, then the device structure is simple, but the adaptability to different ammunition types and casing materials is limited
Solution Approach 1:
The neutralizing device is segmented into a reusable body and interchangeable nozzle components. The nozzle can be detached and replaced depending on the ammunition type and casing material, allowing the same device body to adapt to different scenarios without redesigning the entire system.
Solution Approach 2:
The device body is designed as a universal platform that can accommodate multiple nozzle types. This multi-functional design enables a single device to handle various ammunition types (e.g., tank shells, artillery shells, grenades) and different casing materials (steel, aluminum, Bakelite) by simply changing the nozzle attachment.
2Productivity
If the pyrotechnic charge burns from the tip, then the device structure is simple, but the distance to the ammunition varies irregularly resulting in incomplete energy transfer
Solution Approach 1:
The pyrotechnic charge is configured with localized combustion characteristics through the nozzle design. The nozzle shapes the combustion flow to maintain a consistent burn distance from the nozzle exit, ensuring stable and complete energy transfer to the ammunition target throughout the entire combustion process.
Solution Approach 2:
The nozzle is pre-configured with specific geometric features that guide and constrain the combustion flow path. This preliminary structuring of the combustion chamber and exit geometry ensures that the flame maintains a predetermined distance from the target, preventing irregular variations in energy transfer.
3Adaptability or versatility
If a single nozzle shape is used, then the manufacturing cost is low, but the effectiveness against different casing materials (e.g., Bakelite) is reduced
Solution Approach 1:
The nozzle is designed as a separate, replaceable component rather than an integral part of the device body. This segmentation allows different nozzle geometries to be manufactured independently using optimized processes for each specific shape, reducing the overall manufacturing complexity and cost compared to creating multiple complete device variants.
Solution Approach 2:
The nozzles are designed as inexpensive, single-use or limited-life components. Since the nozzle is the part that directly contacts the high-temperature combustion and may be damaged or depleted, designing it as a disposable or easily replaceable component is more economical than designing the entire device for extended service life with multiple nozzle options.
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 solution ensures consistent energy application throughout the burning process, effectively penetrating and igniting various ammunition types with improved performance and adaptability to different casing materials.
Implementation Method 1
a pyrotechnic charge (5) held within the casing (3)... The composition of the pyrotechnic composition (explosive) is chosen to generate a very high heat output for penetrating materials and igniting explosives
Implementation Method 2
the composition releases gases during combustion that aid in the removal of the casing material
Data Source
Figure 1~4
AI summary
For the disposal of mines, ammunition, pyrotechnic munitions, or other objects, a neutralizing device (1) is proposed, consisting of a lid (2) with an ignition device (8), a casing (3), a pyrotechnic charge (4) held in the casing (3), and a base (6) with a nozzle (7, 7.1, 7.2) that can be detached from the casing (3). Different bases (6) have different nozzle shapes (7, 7.1, 7.2). The shape of the nozzle (7) can be point-shaped (7.1), fan-shaped (7.2), cross-shaped, square, elliptical, oval, etc. As required, the base (6) can be exchanged for another base (6), thus allowing a different cross-section or geometric shape of the nozzle (7) to be attached to the neutralizing device (1). A kit for the neutralizing device (1) therefore includes at least several bases (6) with the different nozzles (7).