pumping out system 中文意思是什麼
pumping out system
解釋
泵出系統-
In the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load
針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。 -
Abstract : in the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load
文摘:針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。 -
Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system
首先在流變學原理的基礎上，深入分析混凝土在輸送管道內的流動狀態，得出混凝土泵的負載特性方程；然後根據功率鍵合圖的建模方法，建立泵送迴路和分配迴路的數學模型，並運用模擬軟體matlab simulink對泵送和分配迴路模型進行了模擬，分析了在不同的輸入流量（泵送頻率）和換向時間下，活塞桿的位移和系統的液壓沖擊情況，找到了引起液壓沖擊的根本原因（即分配迴路的響應時間（固定值）與活塞桿的運動時間（變化值）不相匹配） ，並提出了相應的改進方法。 -
Hydraulic ejectors, made of cast iron or stainless steel, are widely used in vacuum and evaporation system to carry out vacuum evaporation, vacuum pumping, vacuum filtering, vacuum crystallizing, drying and deodorization etc. in the areas of sugar refinery, pharmaceutical, chemical, foodstuff, salt, monosodium glutamate, dairy, ferment, brewing, light industry and national defense
水力噴射器分鑄鐵和不銹鋼兩種材質，應用極為廣泛，主要適用於真空與蒸發系統，進行真空蒸發、真空抽水、真空過濾、真空結晶、乾燥、脫臭等工藝，是製糖、制藥、化工、食品、制鹽、味精、牛奶、發酵、釀造、輕工、國防部門廣泛需要的設備。 -
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 results showed that controlling methane in shaqu coal mine by incline high - position alley pumping was very efficient, a great deal of high - concentration methane had been taken out with the pumping system, and this technique supplied a technical guarantee for safe production in the working face
研究表明，在沙曲礦三軟條件下近距離高瓦斯煤層群實施傾斜高抽技術治理瓦斯效果明顯，能夠抽放出大量的高濃度瓦斯，為工作面的安全生產提供了技術保障。 -
Aiming at the vibration issue of taiyangsheng pumping station of northeast pipeline network, the causation of the vibration is tested and analyzed in this paper. the vibration mitigation method for this pipeline is given out, and the finite element analysis of the pipeline vibration and base isolation is progressed. the result of the test and analysis indicate that the effect of the rubber pillow vibration mitigation is effective for the pipeline system
本文針對東北輸油管網太陽升泵站出口管道的振動問題，分析測試了該管道的振動原因，給出了適用於該管道的減振方法，並進行了管道振動與隔振的有限元數值分析，對比了管道減振前後的振動情況，測試分析結果表明採用橡膠墊減振后減振效果明顯。 -
In fact, the running and starting process of synchromotors are often affected by such factors as electrical, mechanical and hydraulic factors as well. as the magnitude of interference amounts to a certain degree, that is to say, above the stability limitation for the synchromotors, it will cause fall - out of the synchromotors, interrupting of the running or damage to the pumping system
另外，大泵站同步電機起動及運行過程中，常有電力的、機械的、水力的等因素干擾，當擾動的幅度或量值大到一定程度，超出電機的穩定極限時，會引起電機失步，造成泵機組運行中斷及設備損壞事故。 -
The analysis and research of the starting and running of the synchromotors iii many large pumping stations and the working condition of excitation system have indicated that the causes leading to damage to the motor or difficulties in starting are relevant to the poor technical characteristics of the equipped excitation system, especially resulting from the frequent restarting after failure to start the motors and the failure to protect or protect the synchromotors improperly in the fall - out
通過對大泵站同步電機起動、運行及勵磁裝置工作狀況的分析和研究，結果表明：導致同步電機損壞及起動困難的原因與電機所配勵磁裝置保護技術性能不完善有關；特別是先期起動失敗后再多次頻繁起動及運行失步時未起保護作用或保護不到位造成。
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