天津港“8·12”特别重大火灾爆炸事故,涉及危险化学品种类多、数量大、情况复杂、不确定危险因素众多,救援处置工作面临巨大挑战。2015年8月12日23时34分06秒,一声巨响炸醒了已进入梦乡的天津市滨海新区,而31 s后的二次爆炸,相当于430 t TNT当量的能量,让这次事故成为了2015年救援工作最复杂的涉及危 Tianjin Port “8 · 12” special major fire and explosion accidents, involving a wide range of dangerous chemicals, large quantities, the situation is complex and uncertain many risk factors, rescue and disposal work is facing great challenges. At 12:34:06 on August 12, 2015, a loud bang wrecked and awakened and entered the sleepy Binhai New Area in Tianjin. The second explosion after 31 s equaled the energy of 430 t TNT equivalent, so that this accident Become the most complex rescue work in 2015 involved the crisis