Design of hydraulic punching coal-water transportation and metering system for bottom extraction roadway
In order to achieve efficient cleaning and transportation of coal-water mixture discharged through hydraulic punching in the bottom extraction roadway,a long-distance transportation and metering system consisting of coal slag crushing and pumping device,coal slag precise measurement device,vibrating coal-water separator,filtered water circulation and reuse device and pipeline device was con-structed.The key equipment of the system was designed,and the working principle of online real-time metering of coal slag amount dur-ing transportation using flow meter and concentration meter was analyzed.The on-site test results indicate that the system can achieve long-distance transportation of coal-water mixture discharged through hydraulic punching,efficient separation of coal-water,precise me-tering of coal slag,and recycling of filtered water.This long-distance pumping and metering system provides strong guarantees for safe and efficient production of mines.
万方数据
维普
