揚水泵 的英文怎麼說
中文拼音 [yángshuǐbèng]
揚水泵
英文
lift 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。They were, says mr stephen, and the end was that the men of the island, seeing no help was toward as the ungrate women were all of one mind, made a wherry raft, loaded themselves and their bundles of chattels on shipboard, set all masts erect, manned the yards, sprang their luff, heaved to, spread three sheets in the wind, put her head between wind and water, weighed anchor, ported her helm, ran up the jolly roger, gave three times three, let the bullgine run, pushed off in their bumboat and put to sea to recover the main of america
「此語不差」 ，斯蒂芬先生曰， 「其結果，本島男子發現負情女子異口同聲，無可救藥。遂建造舟筏，攜家財登船，桅桿盡皆豎起，舉行登舷禮，轉船首向風，頂風停泊，揚起三面帆，在風與水之間挺起船首，起錨，轉舵向左，海盜旗迎風飄揚，三呼萬歲，每次三遍，開動艙底污水泵，離開兜售雜物之小舟，駛至海面上，航往美洲大陸。 」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Sanitary system : 5 " sus pipe, water supply depends on high - low levels, total 195 horse - power lift pumps. 10 " pvc waste water trunk pipe, total 150 horse - power waste water pump
5 " sus管分高低層供水揚水泵共195馬力10 " pvc排水干管污水泵共150馬力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。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。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 distance of pumps in water factory is designed in the light of the lowest river level for the purpose of the best distance
沿長江、漢水流域一帶，城鎮供水廠取水水泵機組為了保證在沽水期低水位時，水泵機組的出水揚程。Experimentation of sewage pumping station based on predictive control with vvvf is carried out. the experimentation result shows that the sewage pumping station predictive control system can be running under the condition of high water level. by using this control mode, inflow sewage is pumped out entirely
在模擬研究基礎上，搭建了模擬試驗系統，在實驗室條件下，對污水泵站排放系統進行了結合變頻調速的預測控制模擬試驗，試驗結果表明，採用預測控制，可以使系統運行在高水位低揚程的工況下，使流入泵站管網的污水等量排出，實現了節能無污的控制目標。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。At last, through analysis on calculating results and comparison among operational schemes, it is concluded that if pull - in steady operation of pump unit can be successfully realized, then it provides the reasonable suggestions for design and operation of pump station
最後，通過對計算結果的分析及運行方案對比，判斷機組能否順利牽入同步和揚水，最終進入穩定工況運行，從而為泵站的設汁及運行提出科學合理的建議。分享友人