Microfluidics-based initiating explosive synthesis system and method thereof

Abstract

The invention discloses a microfluidics-based initiating explosive synthesis system and a method thereof. The microfluidics-based initiating explosive synthesis system comprises a main control computer and an initiating explosive synthesis unit; the initiating explosive synthesis unit comprises a set of reaction syringes, a micromixer, a liquid loading syringe, a T-shaped connector, a water bath heating unit and two injection pumps. The two injection pumps are both connected to the main control computer, wherein the outlet of one injection pump is connected with the liquid loading syringe, and the outlet of the other injection pump is connected with the set of reaction syringes; the outlet of the set of reaction syringes is connected with the micromixer; the micromixer and the outlet of the liquid loading syringe are connected with two mutually perpendicular outlets of the T-shaped connector respectively; a third outlet of the T-shaped connector is connected with a polyfluortetraethylene pipe arranged in the water bath heating unit. A liquid outputted from the set of reaction syringes is delivered through the micromixer, and is mixed with a liquid outputted from the liquid loading syringe in the T-shaped connector, and then the mixture is delivered into the polyfluortetraethylene pipe arranged in the water bath heating unit through the third outlet of the T-shaped connector. The microfluidics-based initiating explosive synthesis system and the method are high-efficient, safe and environment-friendly.

Description

technical field [0001] The invention relates to the field of pyrotechnics and detonating devices, in particular to a microfluidic technology-based priming powder synthesis system and method thereof. Background technique [0002] Priming powder is a branch of explosives. It is widely used in various pyrotechnics and detonating devices as the starting charge. Its main characteristic is that it is sensitive to external effects. Under the action of heating, static sparks, etc., explosive changes can occur, and quickly change from combustion to detonation. [0003] Although the amount of priming powder used in pyrotechnics and detonating devices is small, the measurement accuracy is required to be high. In actual use, in order to improve production efficiency, group mode constant volume metering is usually used to charge powder. Therefore, it is required that the primary explosive must have a certain crystal shape, particle size and particle size distribution, and the fluidity ...

AI Technical Summary

Problems solved by technology

Due to the high sensitivity of the primary explosive and the characteristics of easy conversion from combustion to detonation, extra care must be taken in the process of handling. A complete set of complicated safety technologies such as drying temperature, anti-static and shock-absorbing buffer measures, and the waste water must be exploded first and then processed, etc., will waste a lot of raw materials

[0005] At the same time, in terms of the crystallization control of the primer, in order to obtain a smooth surface, uniform particle distribution, and approximately spherical aggregate crystals, maintain the original properties of the primer and change its crystal form, and improve the fluidity, it must be in the process of preparation of the primer. Strict control of various external conditions for the formation of primary explosive crystals, such as medium temperature, pressure, concentration, impurities or addition of crystal form control agents, can ensure product safety and quality stability, which still has a large gap in existing industrial production. limitation

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