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在金刚石钻进中,迫切需要一种既能随时反映冲洗液流量大小,又能及时报警的流量测量仪表,以便选择最优钻进参数,提高钻进效率,减少孔内事故.为此,在湖南冶金地质勘探公司及其二四六队的大力支持下,在研究国内外有关资料的基础上,1977年下半年,我们着手设计了一种TL型数字显示兼报警式冲洗液流量计(图1)先后试制了三台,进行了室内试验,并分别在野外机台进行了生产试验,取得了较好的效果. 试验证明,这种流量计工作性能稳定,在机台使用时,调节和观测流量很方便,而且所显示的流量数字可靠.这种仪器还配有声光报警系
In diamond drilling, there is an urgent need for a flow measurement instrument that can both reflect the flow rate of the flushing liquid and alarm in time, so as to select the optimum drilling parameters, improve the drilling efficiency, and reduce the accidents in the hole. Under the strong support of the Hunan Metallurgical Geological Exploration Company and its 246th team, based on the research of domestic and foreign data, in the second half of 1977, we set out to design a TL digital display and alarm flushing fluid flowmeter (Figure 1) Three sets of trial production were conducted, indoor tests were carried out, and production tests were conducted in field machines respectively, and good results were obtained. Tests have proved that this type of flowmeter has stable working performance and is used when the machine is used. The observation flow is very convenient and the displayed flow figures are reliable. This instrument also has a sound and light alarm system.