On the basis of many years' technological studies,laboratory tests,field tests and production of in-situ leaching of uranium,the affection of groundwater orientation to drilling well layout,advantages and disadvantages of application of sump casing,two-well test suitability to CO2+O2 are discussed.
根据多年地浸采铀实验室和现场试验研究的结果及生产经验,讨论了地下水流向对钻孔布置的影响,沉砂管的设置及利弊,CO2+O2两孔法现场试验的适用性等问题。
A higher stilling productivity can be expected using series hydraulic cyclones.
在尾矿充填工艺中应 用串联旋流器组合,可以得到较高的沉砂产率。
By means of analysis on the variation of relative density of settleable solids in the wastewater passing in and out of the grit chamber,the grit removal effect of grit chamber can be evaluated objectively.
通过分析沉砂池前后水体中可沉固体物质相对密度的变化情况,可以客观地评价沉砂池的除砂效果。
After years of usage, there exist many problems in intake, grit chamber in beach, lift pump station and open channels, and directly affect the raw water quality and flow rate of Shiyuan Waterworks.
邙山干渠是综合性输水系统,经过多年运行使用,其取水口、滩区沉砂池、提升泵站、明渠等均存在不少问题,直接影响了柿园水厂的原水水质和水量,故亟需进行改造。
Aim at the running problems of grit chamber in several years application, the causations were analyzed.
针对沉砂池近几年实际运行出现的问题,分析研究了问题产生的原因,并提出了改进方法。
A new method with respect to the control of hydrocyclone performance is intro-duced When the underflow exit is abraded to some extent, the method ensures thehydrocyclone in good performance by regulating the setting slope without replacing theexit.
即当沉砂嘴在一定磨损范围内,通过调节安装倾角,可以保持水力旋流器的分级指标不变,而无需更换沉砂嘴。