Abstract
The work aims to design a new propellant powder packaging with rational construction and reliable protection, to solve the prominent problem of current propellant powder packaging with complicated structure, big weight, maladjustment of automatic packing process, improve the adaptability of propellant powder packaging in pack, stockpile, transportation and use. According to the technical requirements on propellant powder packaging, the material selection and structure design of packaging were finished. Through performance study of packaging, the compatibility, antistatic property, aging characteristic, mechanical property, leakproofness, environmental adaptation and unpacking function of new packaging for propellant powder were examined roundly. The experimental results showed that, the designed and developed new packaging with typical propellant powder had good compatibility. Its sheet resistivity was 1.37×106-7.23×108 Ω; the average of heat-ageing life was 17.51 years in storage environment of 25 ℃; new packaging of propellant powder of 45 kg had no stack transfer, transformation and breakage after three layers stacking; new packaging of propellant powder had no appear transformation, failure, permanent hardening and surface cracking after high temperature, low temperature and temperature shock test; the new packaging had good leakproofness and can prevent abnormal unpacking effectively. The new packaging of propellant powder can replace current packaging and spread in the explosives field.
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MAO Chang-yong, LIU Qiang, DAI Jiu-shuang, DAI Qiu-hong, XIE Jin-ming, ZHANG Yong-ming, LIANG Hong.
Design and Performance of New Packaging for Propellant Powder[J]. Packaging Engineering. 2020(1): 190-196 https://doi.org/10.19554/j.cnki.1001-3563.2020.01.030
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