摘要
介绍了高压水射流的切割机理,着重论述了水力掏孔快速掘进设备的选型、前期的试用以及后期的改造使用情况。该设备掘进速度快、效率高,并在煤巷掘进中取得了明显的经济效益。
This article introduces the cutting mechanism of high pressure current, mainly demonstrates the selecting, testing of earlier, stage, final application and transformation of quick digging equipment with waterpower. The machine digges quickly and efficiently, has the obvious economy benefit.
出处
《煤炭技术》
CAS
2008年第3期63-65,共3页
Coal Technology
关键词
高压水射流
快速掘进
选型
技术经济效益
high pressure jet
quick digging
selection
technical economy benefit
