ballast boat

Based on the bigger fluctuation of raw coal quality in Zhongmacun Coal Preparation Plant,the technological reforms such as removal of slime from fine coal below 13 mm,three-product dense medium cyclone by pressurized feeding were taken and good separation effect was obtained.

介绍了焦作中马村选煤厂根据入选原煤煤质波动较大等实际情况,采取对13 mm以下末煤预先脱泥、有压给料的三产品重介旋流器分选等技改工艺,并取得了良好的分选效果。

A pressurized pressure-restoring system was designed for large-scale vacuum chambers with a view of analyzing the pressure-restoring process with high speed requirement.

为了分析某些对复压速率有要求的设施的复压过程,设计了有压复压系统;建立了大型真空容器有压复压系统的分段集中参数模型和传热模型,并且对这些模型进行了仿真分析。

The problem of the alternative free-pressure flow of a new discharge tunnel in Nanshui reservoir is studied in this paper.

结合本模型和国内几个有压泄洪洞工程试验成果,对有压泄洪洞如何形成有压流问题进行了初步探讨,结论可供类似工程初步设计参考。

On the basis of the model test results, the paper presents the primary analysis on starting law of silt in the pressure flow state and proposes the empirical formulas used for non silting condition in underground culvert.

根据模型试验成果，对地下涵洞淤积泥沙在有压流状态下的起动规律进行了初步分析研究，提出了地下涵洞内不发生泥沙淤积的经验公式，其结果与试验资料吻合良好。

Simulation based finite element analysis on the pressure tunnel of complex geogical condition;

复杂围岩有压隧洞应力变形有限元仿真分析

Monte Carlo method for simulating flow in outlet structure of pressure tunnel;

用蒙特卡罗法解有压隧洞出口段水流问题

the Tianhuangping power station, the Guangxu power station, and the Shahe power station, the method currently used for determination of the rock mass thickness between pressure tunnels at home was introduced.

结合3个已建的抽水蓄能电站工程(天荒坪、广蓄、沙河)的具体经验,介绍了目前国内确定有压隧洞间岩体厚度的一般做法。

Difference resolution to pressure seepage in anomalous region;

非规则区域有压渗流的差分解法

As an important piece of work in hydraulic engineering, it is the key to determine the minimum thickness of overlying rock formation of the tunnel under pressure.

水工建筑中,据岩体的强度特性和内水压力的大小,精确确定有压隧硐上覆岩层最小厚度是非常重要的。