基于偏差耦合平衡控制的矿井带式输送机超长距离运输技术研究与应用  

Research and Application of Ultra-long Distance Transportation Technology for Belt Conveyors Based on Deviation Coupling Balance Control

作　　者：王坤 WANG Kun(Duerping Mine,Xishan Coal&Electricity Group,Shanxi Coking Coal Group,Taiyuan 030000,China)

机构地区：[1]山西焦煤西山煤电杜儿坪矿,太原030000

出　　处：《山西煤炭》2023年第4期71-76,共6页Shanxi Coal

摘　　要：针对矿井原煤运输压力大,运输效率低,提出带式输送机超长距离运输技术。基于带式输送机Kelvin-Voigt简化模型基础上,分析带式输送机动态特性,设计皮带中部驱动,选择驱动方式及功率;提出带式输送机多机平衡控制策略,研究多机驱动系统牵引力平衡问题,探讨了多机功率不平衡因素;在此基础上,研究带式输送机多机平衡控制,提出基于偏差耦合的多机平衡控制方法,通过仿真分析验证平衡控制策略可靠性。结果表明,以永磁电机作为驱动电机,采用5台500 kW永磁电机多点驱动方式可实现对5620 m带式输送机驱动,实现长距离带式输送机多机负载分配均衡;通过矿井现场运用,电机在加速启动至稳定运行期间,系统均具备较好控制性能,带式输送机运行平稳,对矿井安全高效生产有积极作用。To solve the high pressure and low efficiency of raw coal transportation,this paper proposes an ultra-long distance transportation technology of belt conveyors.Based on the Kelvin-Voigt simplified model,we analyzed the dynamic characteristics of belt conveyors,designed the middle belt drive,and selected the drive mode and power;Secondly,we proposed a multi-slack control strategy for belt conveyors,studied the traction force balance problem of multi-machine drive system,and explored the multi-machine power imbalance factors;On this basis,a multi-machine balance control method based on deviation coupling was proposed to verify the reliability of the balance control strategy by simulation analysis.The results showed that the multi-point drive of 5 sets of 500 kW permanent-magnet motors(driving motors)could realize the drive of 5620 m belt conveyor and long-distance belt conveyor multi-machine load distribution balancing.In addition,on-site application in the mine demonstrated that the system had good control performance from accelerated startup to stable operation,and the belt conveyors ran smoothly,which exerted a positive impact on the safe and efficient production.

关 键 词：带式输送机 Kelvin-Voigt模型 动态特性 多点驱动 多机平衡 

分 类 号：TD353[矿业工程—矿井建设]