在声学测温系统测点布置的基础上,融入声阵列定位技术,再现声波测温的同时对炉膛水冷壁的泄漏声信号进行实时监测,并进行泄漏点的精确定位.建立炉管泄漏声阵列定位模型,基于到达时间差定位(TDOA)方法和改进的Chan算法进行三维空间声学定位仿真研究,并进行了空旷环境下和炉膛冷态、热态环境下泄漏点的实验研究.结果表明:仿真与实验结果均符合工程要求,该定位算法具有可行性. On the basis of the arrangement of measuring points of acoustic temperature measurement system, the acoustic array positioning technology is integrated into the system to reproduce the acoustic wave temperature while monitoring the leakage signal of the water wall in the furnace in real time and accurately locate the leakage point. (TDOA) method and the improved Chan algorithm were used to study the acoustic localization in three-dimensional space, and the experimental study on the leakage points under the open environment and the cold state and the hot state of the furnace was carried out.The results show that the simulation and the The experimental results are in line with the engineering requirements, the positioning algorithm is feasible.