火炸药学报2025，Vol.48Issue(7)：623-630,8.DOI:10.14077/j.issn.1007-7812.202501014
混合生物质基爆破剂的爆炸性能及其影响因素
Explosion Performance and Influencing Factors of Mixed Biomass Based Blasting Agents
摘要
Abstract
In order to study the explosive performance and influencing factors of biomass based blasting agents,using tradition-al industrial explosives performance test methods,the explosion velocity,brisance,air explosion shock wave overpressure,thermite initiation,and on-site rock breaking tests of biomass based blasting agents were conducted by orthogonal experimental methods.The explosion stability of biomass based blasting agents were also analyzed.The detonation stability test results show that biomass based blasting agents,similar to industrial explosives,exhibit unstable detonation in a non-steady state locally after detonation,and the detonation tends to stabilize after 8-10cm distance from the detonation point.Based on the results of the explosion velocity test,the charge density is the main influencing factor for the explosion velocity of biomass based blasting a-gents,followed by the thickness of the steel pipe wall,and the influence of particle size is relatively small.The combination of the three factors with the highest explosion velocity of 2892.0m/s is the charge density of 0.12g/cm3,particle diameter of 0.18mm,and steel pipe wall thickness of 2.50mm.The brisance test shows that oxygen pressure is the main influencing factor of brisance,followed by charge density,and the influence of steel pipe wall thickness is the smallest.The combination of the three factors with the highest brisance of 18.50 mm is charge density of 0.12 g/cm3,oxygen pressure of 9 MPa,and steel pipe wall thickness of 2.50 mm.Through aerial explosion tests,it was found that the peak overpressure of air shock waves increases with the increase of oxygen pressure and steel pipe wall thickness.When the oxygen pressure is 9 MPa and the steel pipe wall thickness is 2.50 mm,the overpressure reaches the maximum value of 0.052 MPa.The detonation test of thermite(mass ratio of CuO and Al is 3∶2)shows that thermite can detonate biomass based blasting agents,but the blasting power is different from that of detonators.The on-site experiments show that biomass based blasting agents can achieve the purpose of rock breaking,verify the feasibility of biomass rock breaking technology.关键词
含能材料/生物质基爆破剂/爆破/爆炸性能/空中爆炸/工业炸药Key words
energetic material/biomass based blasting agent/blast/explosion performance/aerial explosion/industrial explo-sive分类
军事科技引用本文复制引用
杨光,徐颖,何泽,李成杰,杨荣周,谢昊天,王晓..混合生物质基爆破剂的爆炸性能及其影响因素[J].火炸药学报,2025,48(7):623-630,8.基金项目
安徽省高等学校自然科学研究重点项目(No.2023AH051167) （No.2023AH051167）
