煤矿井下随钻涡轮发电装置研制与试验
Development and test of turbine generator while drilling in underground coal mines
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摘要: 针对孔口防爆计算机供电能力有限和可充电电池组供电需要提钻更换电池的问题，研制了一种煤矿井下随钻涡轮发电装置；在进行涡轮发电装置总体结构设计的基础上，优化设置涡轮和导轮叶片数量和螺旋角，配套开发了具备电池组件自行关断和恢复功能的主控电路。涡轮发电装置性能试验表明：冲洗液流量保持390 L/min时，涡轮发电装置的发电能力可达13 W；冲洗液流量保持200 L/min时，300 min充电过程中涡轮发电装置充电功率平稳，充电过程可靠；经过近3 h温升性能试验，涡轮发电装置温度稳定在41 ℃附近，满足煤矿井下安全规程的要求。Abstract: In view of the limited power supply capacity of the explosion-proof computer at the borehole and the need to lift the drill to replace the battery for the rechargeable battery pack, a turbine power generation device for underground coal mines was developed. Based on the overall structural design of the turbine power generator, the number of turbine and guide wheel blades and the spiral angle were optimized, and a main control circuit was developed with a self-shutdown and recovery function of the battery unit. The performance test of the turbine power generator shows that the power generation capacity of the turbine power generator can reach 13 W when the flushing fluid flow rate is maintained at 390 L/min, and when the flow of electric washing liquid is kept at 200 L/min, the charging power of the turbine generator unit is stable and the charging process is reliable during the charging process of 300 min; after nearly 3 hours of temperature rise performance test, the temperature of the turbine generator was stable around 41 ℃, which meets the requirements of the underground safety regulations.
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1. 李鹏辉. 矿用柴油机防爆性能试验系统设计. 煤矿机械. 2024(06): 27-30 . 
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