Organic High-Explosive Flow Synthesis Below Critical Diameter
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Solution Overview
Problem
Batch synthesis of organic high explosives poses significant safety hazards due to the risk of detonation, especially when large quantities of explosive material accumulate in a reactor, necessitating large safety radii and extensive safety measures.
Innovation Solution
The use of flow synthesis in a flow reactor with internal diameters smaller than the critical diameter of the explosive material, combined with controlled temperature and quenching agents, prevents detonation by allowing continuous production of smaller quantities of explosives, which can be safely collected remotely.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If batch synthesis is used to produce large quantities of explosives, then productivity increases, but the risk of detonation and safety hazards worsen
Solution Approach 1:
The batch synthesis process is segmented into continuous flow steps with small reaction volumes. The reactor system divides the production into multiple small-scale continuous reactions rather than one large batch, limiting the amount of explosive material present at any time and reducing detonation risk while maintaining productivity.
Solution Approach 2:
The system transitions from static batch processing to dynamic continuous flow processing. Reactants are continuously fed and products continuously removed, allowing the reaction to proceed in a controlled dynamic state that prevents accumulation of hazardous materials while sustaining high production rates.
2Productivity
If large quantities of explosive material are accumulated in a reactor, then productivity improves, but the safety radius and safety measures required increase
Solution Approach 1:
The hazardous explosive material is continuously extracted from the reaction zone as it forms, rather than allowing it to accumulate. The product is immediately removed from the reactor system and transferred to safe storage, separating the production function from the storage function and eliminating the need for large safety radii around storage areas.
3Object-affected harmful factors
If flow synthesis with small internal diameter pipes is used, then detonation risk decreases, but the productivity and production scale are limited
Solution Approach 1:
Multiple small-diameter flow reactors are merged into a parallel array system. Each reactor maintains the safe small internal diameter for low detonation risk, while the combined output of multiple reactors achieves the required large-scale production volume. This merges safety at the unit level with productivity at the system level.
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 method significantly reduces the risk of detonation by enabling safe and controlled production of explosives in smaller batches, minimizing the need for extensive safety measures and allowing for scalable production without the accumulation of hazardous materials.
Implementation Method 1
selecting the internal diameter of the pipe such that it is less than the critical diameter of the organic high explosive, thereby preventing detonation of the formed organic high explosive in said flow reactor
Implementation Method 2
The nitration reaction is typically exothermic and the flow reactor may be temperature controlled to ensure that the explosive material formed does not run to detonation
Implementation Method 3
Solution D, may comprise cooled water, to cause precipitation
Data Source
AI summary
A method of synthesising an organic high explosive includes the steps ofi) providing a first solution A,ii) providing a second solution B,wherein the admixture of solution A and solution B are selected such that they are capable upon formation of the admixture of reacting together to provide an organic high explosive, andiii) causing the solution A and B to be mixed and passed through a flow reactor to create an admixture,wherein the flow reactor includes a pipe, wherein the internal diameter of the pipe is selected such that it is less than the critical diameter of the organic high explosive, thereby preventing detonation of the formed organic high explosive in said flow reactor.