Influence of Oil Phase Material Viscosity on Low Temperature Resistance of Emulsion Explosive
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摘要:为了探究油相材料粘度和乳化炸药耐低温性能之间的关系，分别选取美孚机油、华粤蜡、河北邯郸607炸药厂油相作为研究对象，测定各试样在100℃时的粘度，以及3种油相制备的乳化炸药在-30℃冷冻3d、6d、9d、12d后的猛度。结果表明，100℃时美孚机油的粘度最小，为16.25mPa·s，河北607炸药厂油相的粘度最大，达到35.1mPa·s；冷冻3d后，3组试样的猛度值相差不大，冷冻12d时美孚机油制备的乳化炸药出现半爆现象，河北607炸药厂油相制备的乳化炸药猛度仍能达到10.46mm，表明适当提高油相粘度有利于提高乳化炸药的耐低温性能。
Abstract:In order to explore the relationship between oil phase material viscosity and low temperature resistance of emulsion explosives, Mobil Motor Oil, Huayue Wax, and Hebei Handan 607 Explosive Factory oil phase were selected as the research objects. The viscosity of three oil phases at 100℃ were measured, and three kinds of oil phases were used to prepare emulsion explosives. After being frozen at -30℃ for 3d, 6d, 9d and 12d respectively, the brisance of each sample was also measured. The results show that the viscosity of Mobil oil is the smallest at 100℃, which is 16.25mPa·s, the viscosity of the oil phase of Hebei 607 Explosive Factory is the largest, reaching 35.1mPa·s. After being frozen for 3 days, the brisance values of the three samples are almost the same. However, the Mobil Motor Oil occurs semi-explosion after being frozen for 12 days, the brisance of oil phase of Hebei 607 Explosive Factory still can reach 10.46mm. It shows that appropriately increasing the oil phase viscosity is beneficial to improve the low-temperature resistance of emulsion explosives.
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