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空气罐     
相关语句
  air tank
     Study on Controlling Water Hammer of Pipelines by Air Tank
     空气罐控制输液管道水击研究
短句来源
     :In this paperwaterhammer problems in long pipelines are analyzedand the suitability of utilizing air tank as waterhammer protective measures is studiedwhich is of great importance for increasing the reliability and the operation stability of the piping system.
     针对长距离管道系统中存在的水锤问题进行分析,对采用空气罐作为水锤防护手段的合理性进行研究,对提高补给水系统的安全可靠性及运行稳定性具有重要的意义。
短句来源
  air vessel
     Protection Study on Water Hammer of Pipelines by Air Vessel
     空气罐对输水管道水锤的防护研究
短句来源
     Protection Study Avoiding Transient Negative Pressure by Air Vessel of Thermal Power Station Pumping System
     压力空气罐对火电厂补给水系统瞬态负压的防护研究
短句来源
     The variation of static pressure head on pipeline against time is of the saddle shape. An air vessel can efficiently protect the pipeline avoiding damage caused by transient negative pressure if the pump fails in a thermal power station pumping main. The installation position and the parameter of the air vessel determine the effect of protection.
     指出气体状态、初始容积、初始压力不仅影响瞬态压力大小而且影响瞬态压力波动周期,具有压力空气罐的输水系统水泵失电后其管线瞬态压力变化过程具有马鞍型形状,采用压力空气罐可以有效保护火电厂补给水系统免遭瞬态压力破坏,其防护效果与空气罐安装位置及运行参数有关,空气罐愈靠近水泵出口,消除管路瞬态负压的作用愈显著。
短句来源
     In this paper the feature of pump-stopping water hammer in water intake pumping station along river was analyzed and the protective measures and the mathematical models of three protective measures of air valve, air vessel and one-way surge tank, as well as their boundary conditions, were conducted. Combining with an actual engineering example, the protective effects of various measures were compared through numerical simulation with the character-line method.
     对沿江取水泵站停泵水锤的特点进行了分析,阐述了3种水锤防护措施即空气阀、空气罐和单向调压塔的原理及边界条件的数学模型,并结合具体实例,应用特征线法对不同防护措施的防护效果进行了数值模拟比较分析。
短句来源
  air cylinder
     An Air Cylinder Uised for Surge Control Test
     空气罐控制管道水击实验研究
短句来源
     In the simple laboratory hydraulic piping system,if an air cylinder like a baloon is added for simple pipleine surge control experiment, surge harm can be prevented effecciveiy. In addition, surge dynamic characteristics of the pipeline in operation can be simulated.
     在实验室的简单管路水力系统中,加设一种气囊式空气罐,进行简单管路的水击实验,可以有效地控制水击危害,并模拟出生产管道的水击动态特性。
短句来源
  “空气罐”译为未确定词的双语例句
     Local forming die design of air bottle head
     空气罐封头的压形模具设计
短句来源
     Determination of Odor Pollutants in Air Collected by GC/FPD and GC/MS in SUMMA Canisters
     用空气罐采样GC/FPD及GC/MS分析空气中恶臭污染物
短句来源
     Then the theoretic calculation show that the atmosphere jar can decrease the water hammer pressure.
     理论计算表明,空气罐能有效的减小水击压力。
短句来源
     Used methods of characteristics to numerically simulate the transient pressure of pipelines under two kinds of conditions that installing and not installing air tanks,when suddenly closed the terminal valve of the pipelines,At last,analyzed the effect of air tanks starting capacity and air tanks installing position on the change of transient water hammer pressure of pipelines. The results indicate that install air tanks with proper capacity at the appropriate position of pipelines can usefully control water hammer.
     采用特征线法对瞬时关闭管道终端阀门 ,在安装和不安装空气罐两种状况时 ,管道压力的变化情况进行了数值模拟 ,并分析了空气罐初始容积、空气罐安装位置等参数对管道瞬态水击压力变化的影响 ,结果表明 :在输液管道的适当位置安装容积一定的空气罐能较好地控制水击的产生
短句来源
查询“空气罐”译词为用户自定义的双语例句

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  air tank
An automatic air tank drain valve shall be provided for each air reservoir.
      
Gas is coming from a compressed air tank, the pressure of which is also adjustable with a miniature regulator.
      
SARs supply clean air through a hose attached to an air tank or compressor.
      
They prefer to have just a mouthpiece with a regulator connected to the air tank.
      
The air came from a compressed air tank maintained at constant pressure.
      
更多          
  air drum
Fleissner has supplied more than 10,000 of its through-air drum dryers for nonwovens and other textile and paper applications.
      
  air vessel
An air vessel above the valve chamber smooths cyclic fluctuations from the ram delivery.
      
  其他


The analysis and numerical solution by using characteristics methods of power failure rundown water hammer in pumping station are given in this paper, also it is given to control water hammer with air chamber. They are especially applicable to the pumping station system with high-lift and long pipelines. Although the mathematical models in the paper have been handled approximately, they are still quite accurate and could satisfy the requirement of engineering design.

本文用特征线法分析计算水泵站的停泵水锤和用空气罐控制水锤的方法,特别适用于高杨程、长管道的泵站系统。文中的数字模型虽然经过近似处理,但它仍然保持较高的精确度,可完全满足于工程设计的要求。

In the simple laboratory hydraulic piping system,if an air cylinder like a baloon is added for simple pipleine surge control experiment, surge harm can be prevented effecciveiy. In addition, surge dynamic characteristics of the pipeline in operation can be simulated. This kind of air cylinder has the advantages of being airproof and the restricting runner is replacable. computers can be used to simulate the structural characteristics of the containers so as to control surge pressure boost rate in the pipeline...

In the simple laboratory hydraulic piping system,if an air cylinder like a baloon is added for simple pipleine surge control experiment, surge harm can be prevented effecciveiy. In addition, surge dynamic characteristics of the pipeline in operation can be simulated. This kind of air cylinder has the advantages of being airproof and the restricting runner is replacable. computers can be used to simulate the structural characteristics of the containers so as to control surge pressure boost rate in the pipeline caused by instant shutdown and avoid liquid colume seperation. Based on the trensiency analysis, friction resistance between the valve and cylinder, partial friction resistance at the connection of tees, friction resistance between cylinder and pipe wall, the inertia of liquid colume and the liquid surface change, a mathematical complex battery limit module has been worked out for valves and air cylinders; a calculation process block diagram, a surge module program consisting of the complex boundary condition of air cylinders and valves, surge pressure change curve of three diffrent orifice-runner diameters with and without air cylinders. Measured data have been compared with calculated result,which proved that the said air cylinder is simple to design and easy to operate,therefore being able to maintain surge control.

在实验室的简单管路水力系统中,加设一种气囊式空气罐,进行简单管路的水击实验,可以有效地控制水击危害,并模拟出生产管道的水击动态特性。这种空气罐具有气密性、可更换节流孔口、计算机能够模拟罐的容积的结构特点,用以达到控制管路系统中因阀门瞬时关闭产生的水击增压速率,并防止液柱分离。在瞬变分析忽略阀门和罐间摩阻、三通连接的局部摩阻、罐和管路间的摩阻、液流惯性和罐内液面变化的前提下,建立了阀门、空气罐的复合边界数学模型,列出了计算流程框图,编制了含有空气罐及阀门复合边界条件的水击模型程序,绘制了设有空气罐和未设空气罐时三种不同孔口直径的水击压力变化曲线,并把实测数据和理论计算结果比较,证明该空气罐设计简单,使用方便,起到了控制水击的目的。

The Pneumatic control system on Model ZLl5X slant h0le drilling rig developed in China for the first time is com-prised of comressed air source unit and detrick floor control mechanism. The two air compressors run altemately, andthe air enters an air tank afer generative trcatment. The pneumatic control part is installed on the driller control cabinet,assistant driller conbol console and riopng up control console. Quick disconneet couplings are fixed on the output end ofdriller control cabinet and the air lines...

The Pneumatic control system on Model ZLl5X slant h0le drilling rig developed in China for the first time is com-prised of comressed air source unit and detrick floor control mechanism. The two air compressors run altemately, andthe air enters an air tank afer generative trcatment. The pneumatic control part is installed on the driller control cabinet,assistant driller conbol console and riopng up control console. Quick disconneet couplings are fixed on the output end ofdriller control cabinet and the air lines on drawworks carriage. The logical control circuit for drawworks drum clutch,poeumaic bIake, crown bfork saver, Allison transwhssion, drilling tools conveying device, diesel engine throttle, clutchof hydraulic Pump and drill pump, pneumatic slipPer and elevator, pressure device and power swivel is described.

我国首次研制的ZJ15X斜井钻机气控系统由气源和钻台控制两部分组成。两台空气压缩机可交替使用,空气经无热再生处理后进入载车空气罐;气控部分安装在主司钻气控箱、副司钻台和钻机安装控制台上,主司钻气控箱输出端以及绞车前后底座气管线都装有快速接头,均可单独运输。详细论述了钻机绞车滚筒离合器、气刹车、防碰天车装置、阿里森传动箱、钻具输送装置、柴油机油门、液压泵和钻井泵离合器、气动卡瓦、气动吊卡、加压装置和动力水龙头等的逻辑控制回路。

 
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