水泵揚程 的英文怎麼說
中文拼音 [shuǐbèngyángchéng]
水泵揚程
英文
lift of pump- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 泵 : 名詞(吸入和排出流體的機械) pump
- 揚 : Ⅰ動詞1 (高舉; 往上升) raise 2 (往上拋撒) throw up and scatter; winnow 3 (傳播出去) spread; ...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 水泵 : water pump; compressed water pump水泵房 pump house; 水泵缸套 hoghead; 水泵工 plugman; 水泵間 [土]...
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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。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。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。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。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。Based on many references form civil and abroad, the author mainly studies the measurment theory and method for flux, raising height, axial power and rotational velocity. avoiding many complicated and intermediate courses for power wastage analysis, introduces the electric measurement and using efficiency curve of motor in measureing axial power, and satisfies the automatization of the device. the paper also provides a new method, inductive winding, in measuring rotational velocity of electromotor, supplys limitations of other method in measuring rotational velocity of electromotor in water, and meet practical needs in developing diving electric pump for corporation
作者在參閱大量國內外有關文獻,著重探討了水泵流量、揚程、軸功率、轉速的測試原理和測試方法,提出了採用電測法並結合電機效率特性曲線測量水泵軸功率,從而避免了損耗分析法中大量復雜的中間過程,滿足了試驗裝置的自動化測量要求;採用漏磁感應線圈法測量電機轉速,彌補了其它轉速測量方法對水下電機測試的局限性,適應了萊恩公司開發潛水電泵的實際需要。H the high - raisepitch of pump also must install inverted - end valve at export - pipeline, to prevent the water - hammer of closed suddenly to destroy
8揚程高的泵在出口管路上還應該安裝逆止閥,以防突然停機的水錘破壞Analysis on transient process in low - head pumping installation during starting period
低揚程水泵裝置起動過渡過程分析During processing the pumping station groundwork of the collapsibility loess in ningxia south mountainous area, we used the method of soil - exchanging to designing, constructing and collapsibility distortion observation on thickly layer, and found a conclusion that soil - exchanging on processing bad geological hydraulic engineering groundwork was a method of less investment, shorter project time and good effect
摘要通過對寧夏南部山區嚴重濕陷性場地建設揚水泵站的地基處理,和對換土法在深厚層濕陷性地基中設計、施工、沉降變形觀測等的論述,得出水利工程在處理地基不良地質問題中,換土法具有投資少、工期短、效果好的結果。Three mathematical models are presented to express the characteristics based on the systematical analysis of mechanical, hydraulic and fluid dynamic characteristics during three transient process, and numerical calculation methods are carried out to the three mathematical models. with the rigid water hummer theory and hydraulic characteristics, this paper has improved the boundary condition equation at pump during the suspending period, and drew a simplified mathematical model
針對大型低揚程泵站過渡過程的具體特點,利用剛性水錘理論,對事故停泵時泵處的邊界條件方程進行改進,並結合泵裝置水力特性,得出大型低揚程泵站停泵過渡過程簡易計算方法的數學模型;針對具體數學模型編製程序進行計算求解。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