穩壓泵 的英文怎麼說
中文拼音 [wěnyābèng]
穩壓泵
英文
stabilized pre ure pump-
Study on the steady analysis model of variable displacement hydraulic pump
變量液壓泵穩態模擬模型Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system
雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下,當裝置穩態功率變化時,冷卻劑平均溫度與蒸汽壓都保持不變,與通常採用的冷卻劑平均溫度恆定運行方案相比,有效地改善了核動力裝置的總體運行性能,特別是在低負荷運行時,可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件,這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義The key items include the car sinking, constant speed characteristics, inspection function, auto relevelling function and level accuracy, etc. the research contents focus on the following three parts : firstly, research on effects of system parameters on car sinking has been completed. secondly, the constant speed performance with the compensation of internal leakage of pump / motor is improved. lastly, research on improvement of the car level accuracy and contrast to that of traction elevators is presented, and the reasons of low car level accuracy of hydraulic elevators are discussed
重點研究了三方面內容:一是研究了停層沉降特性及影響電梯轎廂停層沉降特性的各種因素;其次是通過負載壓力補償液壓泵馬達內泄漏來改善電梯轎廂速度穩定性;最後是液壓電梯平層精度的理論和實驗研究,並與曳引電梯的理論模型進行了對比,闡述了液壓電梯平層精度低的原因,理論探討了影響液壓電梯平層精度的主要因素。High efficiency fire fighting foam system piped to all tanks. paved roads surrounding the tank bays for easy access with emergency vehicles. emergency response and personnel protection equipment and training
碼頭還設有先進的消防系統,包括環繞罐區的消防路、消防冷卻水管線和泡沫滅火劑管線,消防水管用穩壓泵維持壓力,自動啟動。The pump pressure is fluctuating
泵壓不穩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 result of the study shows that the electro - hydraulic proportional technology is useful for all - hydraulic operated drilling machine to simplify the operations and composition of system, to improve the level of automatization and efficiency and to reduce the consumption of energy. the result of the study also shows that the system of feeding has the properties as followed : fast respone, stable pressure - adjusted characteristic, distinct effect of energy - saving, some improvement of system efficiency
研究結果表明:全液壓鉆機中應用電液比例技術,可以簡化系統組成和操作,提高鉆機自動化水平,提高系統效率,降低發熱和溫升;採用恆壓變量泵的給進加壓電液比例控制系統調壓性能穩定、響應快、節能效果明顯。A method based on the application of an injection process analysis software is introduced in this article, which optimize injection process through changing the design of fuel - injection pump cam. a model of 1115 single cylinder direct injection diesel engine is used as an example. with the help of pre - journey optimization, increasing cam lift and using tangent - function can make the matching of the injection system with the diesel more reasonable. without changing fuel pump installing size, it can enhance injection rate and injection pressure and improve the diesel operating stability in low speed condition
本文以國產1115型單缸直噴柴油機為例,介紹一種應用噴油過程分析軟體改進噴油泵凸輪設計的方法,通過增大噴油泵凸輪升程、採用切線函數凸輪並優化預行程的方式,在不改變噴油泵安裝尺寸的前提下,可提高噴油壓力和噴油速率,改善柴油機低速工作穩定性,使噴油系統與柴油機匹配更合理。Analysed the power matching principle of a hydraulic excavator, advanced saving energy control planning which could obtain stable rotating speed of the engine by controlling the flow of every running of pump, the aim was for attaining saving energy
摘要分析了液壓挖掘機功率匹配原則,提出了通過控制泵的排量穩定發動機轉速,以實現以節能為目的的模糊控制策略。To protect products oil pipelines the countermeasures against surge are presented including surge wave interception, automatic relief protection, automatic regulating protection and pump sequence shutdown
為保證成品油管道的安全穩定運行,提出了水擊波攔截、自動泄壓保護、自動調節保護、順序停泵保護及加強成品油管道運行管理等防止水擊的措施。In addition, in order to make the pumps realize constant injection pressure, the expert tuning pid vfvs constant injection pressure control sub - system for pumps is established and relevant software module is developed. the sub - system can control automatically the quantity and rotate speed of the pumps running to realize the pumps optimum run according to the seawater injection plan of the oil field, which realizes constant injection pressure, energy saving and decreases the consumption to a large degree
此外,為平臺注水泵機組的優化運行構建了基於專家整定pid控制的變頻調速恆壓注水控制子系統,並開發了相應的軟體模塊,完全省卻了pid控制器的硬體設備,使得注水泵機組可以根據油田注水量的配注方案優化運行,自動控制注水泵的轉速和運轉臺數,既能實現平穩增壓注水,又能在很大程度上節能降耗。Through the statistic analysis on the change of the melt gear pump working condition pre - and post - pet plant capacity increasing and concatenate direct spinning process, the reasons for the unsteady running were studied, the modification measures such as lubricating the oil groove with sliding bearing, mechanical sealing of the gear pump, decreasing the gear pump outlet pressure, changing the automatic speed increasing to hand speed increasing were put forward
摘要通過對聚酯裝置增容和後接直紡長絲前後熔體齒輪泵工況變化的統計分析,研究其運行不穩定的原因,提出改造措施,包括滑動軸承潤滑油槽,齒輪泵的機械密封,降低齒輪泵出口壓力,改自動提速為手動提速等等。Hydraulic fluid power - positive displacement pumps, motors and integral transmissions - determination of steady - state performance
液壓泵馬達和整體傳動裝置穩態性能的測定Hydraulic fluid power - positive displacement pumps, motors, and integral transmissions - determination of steady - state performance
液壓氣動用容積式泵馬達整體傳輸.穩態性能的測量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。And, the applicable conditions and the merits and shortcomings of every kind of subarea forms are compared according to the plane and vertical arrangements of buildings, water supplying pressure of cities, water tanks or pressure stabilization devices installed in buildings, working states of fire pumps and working pressure of the vertical systems and sprinkler numbers
同時,根據建築物的平面和豎向布置、城市管網的供水壓力、水箱或穩壓裝置的設置情況、水泵工作狀態、豎向系統工作壓力要求和噴頭數進行各種系統分區,討論各種分區形式的適用條件、優缺點。Solid laser pumped by semiconductor laser has the advantages of laser diode and solid laser, so it develops rapidly in recent years and gets the extensive application in the fields of military, communication, processing and scientific research, etc. in order to meet the demands for laser power of semiconductor solid laser pump solid yag laser, i synthetically adopt the singlechip digital automatic control technology which is extensively used in the intelligent instruments, products of electromechanical integration and automatic control system, lcd technology, pc switch technology and steady voltage, invariable current technology
半導體激光泵浦的固體激光器由於兼有了激光二極體和固體激光器的雙重優點,近年來得到迅速發展,並在軍事、通訊、加工和科研等領域中得到廣泛的應用。本文針對半導體固體激光器泵浦固體yag激光器系統對激光電源的要求,並且綜合運用了當前在智能儀表、機電一體化產品、自動控制系統中應用廣泛的單片機數字化自動控制技術、 lcd顯示技術、 pc開關技術及穩壓、恆流技術,研製了脈沖半導體激光電源。The new unit has following technical features : ( 1 ) the unit ' s load is balanced by means of the accumulator and hydraulic cylinder with special structure ; ( 2 ) the installed power of the unit can be reduced greatly by adopting the accumulator ; ( 3 ) variable frequency speed regulation ensures good energy saving effect, and the closed oil circuit requires less hydraulic oil ; ( 4 ) a bi - directional hydraulic lock in the oil circuit ensures the stability and safety of the operation of the pumping unit
新型機具有4個技術特點: ( 1 )由於活塞柱塞式液壓缸的特殊結構和液壓蓄能器的配合使用,在平衡抽油機大部分載荷時,不需另外增加配重,可減小抽油機體積、質量和佔地面積; ( 2 )抽油機下沖程時,與活塞柱塞式液壓缸相連接的蓄能器吸收能量,上沖程時儲存在蓄能器中的能量補充載荷上行所需的能量,大幅度降低抽油機裝機功率; ( 3 )利用變頻容積調速節能效率高,閉式油路節省液壓油,同時大大減小液壓泵站的體積; ( 4 )在閉式油路中採用雙向液壓鎖可使抽油機的啟停更加平穩、迅速,其工作的穩定性和安全性更好。Each loop has a primary coolant pump, a steam generator and the interconnected piping. a pressuriser is installed in one of the 3 loops
每一環路設有一臺主泵、一臺蒸汽發生器,與及連接管道。其中一個環路裝設一臺穩壓器。分享友人