深海多金属结核集矿装置水力输送流场分析与试验  

Analysis and Experimental Investigation of Flow Field in Hydraulic Transportation with Deep⁃Sea Polymetallic Nodule Collector

作　　者：彭建平[1] 李俊[1] 程阳锐[1] 黎宙 吴冬华[1] PENG Jianping;LI Jun;CHENG Yangrui;LI Zhou;WU Donghua(State Key Laboratory of Exploitation and Utilization of Deep Sea Mineral Resources,Changsha Research Institute of Mining and Metallurgy Co Ltd,Changsha 410012,Hunan,China)

机构地区：[1]长沙矿冶研究院有限责任公司深海矿产资源开发利用技术国家重点实验室,湖南长沙410012

出　　处：《矿冶工程》2024年第2期1-4,共4页Mining and Metallurgical Engineering

基　　金：国家重点研发计划(2022YFC2806802-3)。

摘　　要：对深海多金属结核集矿装置水力输送流场进行了理论计算,得到了多金属结核粒径与输送通道最小输送速度的关系;仿真分析了喷嘴射流速度分别为15、20、25 m/s时输送通道内水流流态分布,给出了流道下表面30 mm处的流速。在实验室进行了输送喷嘴不同射流速度的采集试验,实验结果与理论计算及仿真分析结果相符。Theoretical calculation was made for the flow field in the hydraulic transportation with deep⁃sea polymetallic nodule collector,and the relationship between particle size of polymetallic nodules and minimum conveying speed was obtained.The distribution of flow pattern in the conveying channel was simulated with the jet velocity of nozzle at 15 m/s,20 m/s and 25 m/s respectively,and rate of the flow at 30 mm away from the lower surface of the channel was measured.A laboratory test was conducted for nodules pick⁃up by using a collector with different jet velocities of nozzles,and it is found that the obtained results are consistent with the theoretical calculation and simulation results.

关 键 词：多金属结核 深海采矿 集矿装置 喷嘴射流 流体仿真 管道输送 

分 类 号：TD857[矿业工程—金属矿开采]