The import, in order to prevent the pump cavitation.
泵的进口,为防止汽蚀。
Pump cavitation, the flow should be run down or slow down;
泵产生汽蚀时,应把流量调小或降速运行;
Mechanics research on chief draining pump cavitation damage in coal mine;
在煤矿井下的排水系统中,需要多台排水泵协调地工作。
This method is more suitable for pump cavitation performance curve fitting.
该方法较适合于泵汽蚀性能曲线的拟合。
For a long time, the pump cavitation has been regarding as a difficult problem to be resolved.
长期以来,泵汽蚀现象被认为是一个不易解决的问题。
Pump cavitation due to the particularity of curve, the curve shape of a direct impact on NPSH3 values.
由于泵汽蚀曲线的特殊性,曲线形状直接影响NPSH3的取值。
Without affecting the normal production of the premise, the resolution of pump cavitation, it should be first choice at the entrance to the installation of inducer.
在不影响正常生产的前提下,解决机泵的汽蚀问题,应首选在其入口加装诱导轮。
And it's basically causing potentially a failure of the recirculating pump or a cavitation of these pumps, both are not good things.
那基本上引起了潜在的,循环泵的失效或者这些泵的空穴现象,两种都不是好事情。
In the process conditions permit, the change in pump flow, head, speed and medium operating temperature operating parameters, to avoid the occurrence of cavitation.
在工艺条件允许的情况下,改变泵的流量、扬程、转速及介质的操作温度等操作参数,可以避免汽蚀的发生。
Cavitation in the prewash and absorber pump prevented the Rectisol unit from delivering the designed flows of cold methanol.
预洗塔和吸收塔内泵的汽蚀阻止低温甲醇洗装置冷甲醇设计流量的输送。
It is suggested that low frequency fluctuation occurs with cavitation inception in water hydraulic pump.
提出了在纯水液压泵中气蚀初生伴随着低频压力脉动现象。
The improved structural design and adoption of new materials have greatly improved the cavitation performance of metering pump.
改良的结构设计和新型材料的选用大大提高了计量泵的汽蚀性能。
To improve the cavitation performance of diaphragm metering pump, a comparison of cavitation test is made between the modified diaphragm metering pump and the original measuring pump.
通过对改造的隔膜计量泵与原有的计量泵进行的汽蚀试验对比,给出了隔膜计量泵性能与现场使用的最佳匹配工况。
To the problem of cavitation and shock that appears in the outside circulation piston pump running, the relation-ship between rotor profile and dead volume, flow rate and cavitation were analyzed.
针对外环流活塞泵运转时出现的汽蚀、震动问题,从理论上分析了转子型线与闭死容积、流速变化和发生汽蚀的内在关系;
The main effects on cavitation performance of large-scale mixed flow pump used in a special propulsion system are analysed.
分析了用于推进系统的大功率混流泵影响汽蚀特性的主要因素。
In this paper, a test system to pure water hydraulic gear pump for modeling test was designed, which is used to test cavitation property except for usual property and life test.
本文还设计了一套对纯水液压泵进行型式试验的纯水液压试验系统,除了对齿轮泵进行一般的性能和寿命试验外,还可对其进行气蚀性能的研究。
High water saturated vapour pressure leads to the more possible occurrence of cavitation phenomena in water hydraulic pump, and so as in sliding shoes hydraulic supporting without exception.
水的高饱和蒸汽压力使得水压泵中极易发生气蚀现象,滑靴静压支承也不例外。
Because the packings on the second plate were blocked by polymer, water from the reflux pump condensed and entered into the bottom of the tower to cause the cavitation of the pump.
汽油分馏塔第二层塔填料堵塞,全塔气-液传热传质状况恶化,使水降至塔釜引起“暴釜”,最终导致急冷油泵气蚀不上量。
In allusion to the cavitation of chilling water pump, this article analyzes the causes of cavitation of chilling water pump from working principle.
笔者针对制氢装置急冷水泵汽蚀现象,从装置生产实际入手,全面分析了泵产生汽蚀的原因。
Application Cavitation, liquid hammer and pressure peak may occur in hydraulic systems with changes in flow velocity, e. g. fast closing of a valve or pump starts and stops.
应用空化,液体铁锤和压力顶峰可能用在流动速度方面的变化在液压系统里发生,例如一阀门或者泵的快关闭起停。
In the existing 300mw steam turbine condenser performance curve, the cavitation in water ring vacuum pump is not taken account, so the curve can't exactly reflect the operation state of condenser.
现有的300MW机组凝汽器特性曲线没有考虑到水环真空泵汽蚀特性对凝汽器运行特性的影响,不能准确反映凝汽器的运行状态。
A smooth power curve, not easy to have a super power, but this type of impeller cavitation performance than ordinary closed impeller, especially suitable for use in the pump pressure on imports.
功率曲线比较平稳,不易产生超功率的问题,但该型叶轮的汽蚀性能不如普通闭式叶轮,尤其适宜用在有压进口的泵上。
Comparing of performance curves and cavitation property with common centrifugal pump of same specific speed was presented in this paper.
同时,针对旋流泵的性能曲线和汽蚀问题与同比转数普通离心泵进行了对比分析。
Power consumption of small, high efficiency, and has a damping effect, reducing vibration on the pump motor and pump in the effects of cavitation vibration when the impact of the motor.
功耗小、效率高,且具有阻尼减振作用,减少了电动机振动对泵的影响和泵发生气蚀振动时对电动机的影响。
The problem of cavitation of water pump impeller was solved by means of localized treatment of the sealing ring of circulating pump.
通过采用新技术,对循环水泵密封环进行局部加工,解决了水泵叶轮汽蚀问题;
To improve the pump efficiency of these Wells, this paper analyzes the factors that affect pump efficiency and founds out the effect of cavitation erosion on it.
为了提高这部分油井泵效,对泵效影响因素进行分析,发现了气蚀效应对泵效的影响。
The method to estimate cavitation characteristic by analyzing impingement angle at the groove on porting plate of an axial plunger pump is put forward during design process period.
对柱塞泵设计过程中的空蚀特性,提出一种通过分析减压槽出口处的射流方向来评价高压轴向柱塞空蚀特性的方法;
Cavitation will cause when pump circumrotate at high speed, and deteriorates the performance of water pump.
泵在高速旋转时容易产生空化现象,造成泵过流部件的汽蚀破坏,影响其工作性能的提高。
In view of condensate delivery pump extremely high cavitation performance request. wo proposed one kind of new hinge type cone-way valve and expounded the principle of its work.
针对冷凝液输送泵极高汽蚀性能的要求,提出了一种新型铰接式单向阀,阐述了其工作原理。
In view of condensate delivery pump extremely high cavitation performance request. wo proposed one kind of new hinge type cone-way valve and expounded the principle of its work.
针对冷凝液输送泵极高汽蚀性能的要求,提出了一种新型铰接式单向阀,阐述了其工作原理。
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