泵揚程 的英文怎麼說
中文拼音 [bèngyángchéng]
泵揚程
英文
lift of pump-
This is portable pump with strong suction and medium head doss, equiped with extraordinary hair collector ; the body is made of themal plastic of strength ening fiberglass with good corrosive and impact resistance ; and with the advan tages of high flow, quiet
這是一款輕便、自吸式、中等揚程的水泵、配有特大的毛發收集器;泵體由玻纖增強的工程塑料注塑而成;有良好的抗沖性和耐腐蝕性;此水泵具有高流量、運行安靜之優點。Small flow and high lift pump
小流量高揚程泵Advances in study of hydraulic characteristic parameter conversion for low - lift pumping devices
低揚程水泵裝置水力特性參數換算研究綜述In accordance with the characteristics of multi - units and high - lift pump station and the application to the actual project, the main pumping house and the auxiliary pumping house are arranged in combination with the intake pond, and then the understructure is integrated with the main pump house ; with which the working space is fully used with convenient management and investment saving
摘要結合工程應用,針對多機組、高揚程離心泵站的特點,將主副廠房及進水池結合布置,下部結構與主廠房形成整體結構,既便於維護管理,又節省投資、充分利用空間。It has important significance to probe and master in theory the dynamic characteristic during suspending period in improving the pumping stations designing, reducing the investment and ensuring the safe and reliable operation of pumping systems. - in this paper, a theoretical study was made on the dynamic characteristics of a large low - lift pumping system within suspending period
停泵動態特性是大型低揚程泵、泵裝置、泵站重要運行特性之一,但其研究成果卻很少,不適應實際工程要求。從理論上探求和掌握大型低揚程泵站停泵動態特性,對于提高泵站工程設計水平,降低工程投資,實現科學管理,保證泵系統、泵站安全可靠運行具有十分重要意義。In our northwest region, centrifugal pump are widely adopted in high - lift pumping station and for various reasons, few research has been done on the " pumping station unit commitment decision support system " with consideration in secure and economic operation. while it came to an unavoidable question after the implementation of computer monitoring control system
我國西北高揚程泵站大多採用離心泵,由於種種原因,綜合考慮安全運行與經濟運行的「泵站機組啟停決策支持系統」尚少有研究,在泵站實施計算機監控之後這類問題已是不可迴避的問題。Flow characteristics of moveable teeth gear rotator pump
農用高揚程大流量活齒齒輪轉子泵的流量特性According to pump performance curve shown we can get that the distance h is changed with the rotate speed n in the same point q, and the flux q is changed with the rotate speed n in the same point h. from the curve we can get the rule that the distance and rotate speed are in direct with ratio at the same flux point, and the rotate speed and the flux are also in direct with ratio at the same distance point
根據相似定律:流量與轉速的一次方成正比;揚程與轉速的二次方成正比;功率與轉速的三次方成正比。即在降低轉速,調低水泵出水揚程的同時,功率下降的幅度非常大,從中可以節省相當大的電能。完全應在高水位時降低水泵機組轉速,從而使電機的輸出功率隨著轉速下降值與轉速原值商的三次方關系下降。Cw the feature of cw magnetic - driving vortex pumps is little capacity, high - head, it can convey the fluid containing 20 percent of gas and non - lubricative, also can be used to the occasion where npsh is low
Cw型磁傳動旋渦泵,是小流量高揚程應用最理想的選擇;可輸送含有20 %氣體的介質,可應用於非潤滑性流體和汽蝕余量很低的場合。At the same time, a lot of electrical energy is wasted when the level is high and the working curve is displaced. so urgent affairs are choosing right timing ways to rebuild the pumps. applying frequency conversion timing to wind machines and pumps is an important technology in our country
設計都按照長江、漢水百年一遇最低水位選擇水泵出水揚程,這樣在高水位時往往由於揚程太大而偏離水泵的工作高效區,浪費了大量電能,選擇合適的調速方式對泵船水泵機組進行節能改造,成為當務之急。It is a vane pump with high head, small flow and low specific speed, which is smaller, flight and simpler in structure than positive displacement pump mulfistage centrifugal pump, and may handle liquid of high gas or steam content
該泵是一種高揚程,低比速的葉片泵,比容積式泵和多級離心泵體積小、重量輕、機構簡單等優點,並可以輸送氣體或蒸氣含量較輕的液體。Recommends that these should be done by careful hydraulic calculation and rational selection of head and water flow of pumps
建議應認真進行水力計算,合理選擇水泵揚程和流量。Study of method about how to measure mineral pump lift
礦用水泵揚程的測量方法研究Talking about the flow and lift of parallel - series pump working points with computing method
淺談計演算法求解並聯水泵工況點流量及揚程On the base of analysing the ordinary design methods, aiming to the minimum annual cost or investment, taking the pipe length and water pump lift as decision - making variables, the linear programming models are presented to optimize the diameters of main network and field network
論文首先分析了常規微灌系統規劃設計方法,在此基礎上,以年費用或投資最小為目標,用離散管徑方法,以管段長度和水泵揚程為決策變量,分別建立了水泵加壓式和自壓式干管管網優化設計以及田間管網優化設計線性規劃模型。Currently sewage in sewage pumping station system is pumped manually. so the station is working in low water level and energy is consumed. this mode ca n ' t predict the inflow ' s changing
當前污水泵站排放系統主要採用人工值守方式排水,低水位高揚程耗能嚴重,且缺乏預測能力,流量洪峰來臨時易產生污水溢出污染。The pressure of pressure stabilizing pump will be settled on the basis of its delivery head which is not calculated but determined by the delivery head of main fire pump as the function of it is to stabilize the pressure inside the fire water system
穩壓泵的壓力設定值決定於穩壓泵揚程,穩壓泵的揚程一般不另行計算,而是採用消防主泵的揚程,其原因在於設置穩壓泵的目的是使消防給水管網的水壓穩定。By this way, however, the working pressure of the fire water system will be at higher level in case of the central stabilizing high pressure system and undesirable consequences related to the pressure - acceptance of the pipe and the joints shall come forth
而在集中穩高壓給水系統中,這樣確定的穩壓泵揚程及設定壓力值,往往使消防給水管網始終處于較高壓力工況,因而使管網內水壓與管道及其介面的承壓能力這一對矛盾趨于突出。The relational formula between axial gap and radial gap and relational formula with considering centrifugal thrust effect was solved
並應用連續方程和水泵勢揚程方程式,求出了間隙?漏量是其間隙幾何參數及泵揚程的函數關系式。A new concept to determine the delivery head of the pump and to set up the pressure of the system is proposed in this paper, based on the precondition to ensure the water head demand of any fire appliance at the most unfavorable point
從保證最不利處滅火設施水壓要求這一基本前提出發,提出確定穩壓泵揚程和設定壓力的新思路,並按3種情況分別作出說明。分享友人