泵進水壓力 的英文怎麼說
中文拼音 [bèngjìnshuǐyālì]
泵進水壓力
英文
pumsuction su ly pre ure-
Main operating companies : one, quality brands imported power plant auxiliary equipment : including valves, pumps and transducer and thermocouple and actuators, measuring gauges, pressure switches, solenoid valve and ion exchange resins and other rights and the importation of water treatment packages instruments : online various instruments, laboratory instruments 3, chemical water treatment, electro - deionization ( edi ) 4. complete sets of equipment, installation, commissioning and maintenance
公司主要經營: 1 、代理進口優質品牌電站輔機設備:含閥門、泵類、變送器、熱電偶、執行器、計量儀表、壓力開關、電磁閥、離子交換樹脂等; 2 、代理進口水處理成套儀器儀表:各類在線儀表、實驗室儀表; 3 、化水處理、電除鹽( edi ) 4 、設備成套安裝、調試、檢修。Company has possessed 600 employess, over 68manag. ement personnel and 22 technicians since is was founded. inwhich junior college graduatre account for 90 %, average ages of employees is 28 years, area of factory building is 20000sq. meter annusi value of production is 80 milions yuan and have three modemization production line and advanced equipment and perfct monitor and measunng device as puncher, driller, lathe, measurig truck, cutter, shielded welder and pipe bendin machine. main production of company are all kinds of generators, both petrol and dlesel series, water umps, luggage rack of vehicle, bumper, fuel tankall kinds of motorcycle rack, auto majhong machine and whd series of dlecmolishde vehide, wide varieties, a complete range of specification. the products have stable qusity and advanced
具備廠房面積20000平方米,年產值8000多萬元的生產能力及三條現代化流水線。擁有各種大型沖壓設備各類油箱鉆床車床儀表車切割機保護焊機彎管機等先進設備和完善的測量裝置。公司主要品種有:各種發電機組汽油機系列柴油機系列水泵汽車行李架保險杠各種摩托車架全自動麻將桌whd系列電動滑板車,防墜器等系列產品。The paper analyses the stress and relative motion of piston / cylinder and swash plate / slipper matching pairs in water hydraulic pisto n pump, based on which the proper experimental research method is determined
對水壓柱塞泵柱塞、滑靴摩擦副的受力和相對運動形式進行了分析,確定了摩擦副合理的試驗研究方法。Water wave pump combines the functions of air wave charger and water hammer pump to show fine performance, where the total energy of inflow is redistributed to heighten the presure of a part of the the flow to the desired level whereas for the rest of flow a low level of pressure is maintained, which causes moving water with high energy to reach to a higher place
水波泵是一種巧妙地綜合氣波增壓器和水錘泵功能的全新的水泵,它通過合理利用水波動力的特殊性質,將來流中的總體能量進行重新分配,使一部分來流水提高到所需的高壓力,而其餘部分水則降到較低的壓力,即完成一個大多數能量向部分來流水轉移的過程。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。( 2 ) in this paper, the author summarized the working principle, the superiority and the limitations of a few main kinds of classical sprinkler systems ; put emphasis on the importance of a few key points which is relevant to the function of the system, such as the choosing of sprinkler and it ' s fixing, the automatic checking function of water pump, the layout of alarm valve, especially the choosing of sprinkler and it ' s fixing ; looked through the feasibility of which we used water instead of gas by water mist especially finely divided water mist fire - extinguishing technique
展望了水噴霧技術特別是細水霧技術進行以水代氣滅火的可行性。 ( 3 )針對工程設計中最復雜,工作量最大的部分-系統水力計算部分,在規范的基礎上,基於excel電子表格,提出了經濟流速的范圍,提供了一套行之有效的設計計算方法,同時,對屋頂水箱和增壓泵的設置這一難以解決的問題發表了見解,既確保了自動噴水滅火系統初期快速滅火、控火的性能,又節省了大量的設計工作時間。Abstract : according to the characteristics of solid - liquid two - phase flow, the equation of motion and the equation of continuity for hammer computation are deduced in this paper. the equations are applied to analyze the effect of different prevention deveces used to relieve water hammer pressure in pipeline transport with displacement pumps. it is concluded that the air vessel and pressure relief valve are better than other devices
文摘:本文針對固液兩相流的特點,建立了水擊計算的運動方程及連續方程,並採用新方程對礦山常採用的容積泵輸送中使用的儲氣罐、泄壓閥、緩閉逆止閥等減緩水擊壓力的防護措施進行了計算分析,得出儲氣罐、泄壓閥減壓效果最好的結論。Based on optimization theories of genetic algorithms and the linear programming, a series of optimal design mathematics models and methods of water transmission conduits and water distribution networks have been presented, in the light of their characteristics. the results are as follows : 1 the linear programming models and calculations of the pressure gravity conduit, the gravity pressure conduit and channel, the pressure conduit with pump station and the pressure conduit in considering pump station flow variations are presented respectively
本文針對不同類型的輸水管線和配水管網系統的特點,應用遺傳演算法和線性規劃等優化設計理論和方法,對其優化設計問題進行了較為系統的研究,成果如下: 1分別建立了重力輸水管道系統、重力輸水管渠系統、泵站加壓輸水管道系統以及考慮流量變化的泵站加壓輸水管道系統優化設計的線性規劃數學模型,並提出了計算方法。A modified svm model was proposed and implicit function relationship between nodal pressures and pump station flow, pump station head was established based on modified svm model
本文提出了一種改進svm演算法,並基於該演算法建立了測壓點壓力和泵站流量、水頭之間的隱式函數關系。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。The experiment took water as the medium and experiments on two jet modes were carried out under the falling film vacuum evaporating. the experimental results indicated that the two ejectors in series compensation method could adjust the variational work situation due to the decrease of primary steam or secondary steam and insure the normal production. at the same time, the ejector ' s best work situation founded in the experiment would provide reference for ejector ' s design and usage
本實驗建立了一套降膜真空蒸發裝置,以水為介質,對變工況下單級和串聯噴射熱泵蒸發進行了實驗,結果表明兩級串聯補償噴射裝置能對由引射蒸汽和工組蒸汽壓力降低所造成的混合蒸汽壓力降低進行調節,達到了變工況下正常生產的目的。The hydraulic analysis of pump for suction penetration of bucket foundation as well as the pressure head relation between bucket cavity and pump inlet for different water depths and different pump mounting heights are described in this paper
對桶形基礎平臺負壓沉貫過程中汲水泵機進行了初步水力分析,討論了不同水深、不同泵機安裝高度情況下,桶腔和泵機進口之間的壓頭關系。Computing about five work conditions of slurry pump, the fields of velocity, compression and turbulence intensity are obtained, and the pump performance curves are also achieved to check the computation credence. based on the results of flow fields, particle tracks in varied conditions are achieved by using lagrange method
本文對渣漿泵的在5個工況下(包括設計工況)的清水流場進行了計算,得到了描述流場的速度、壓力、紊流強度等參數場的分佈情況,最後計算了泵的運行性能曲線來校核計算的可靠性。As an inlet structure, the forbay is an important part of the pumping station. the pressurized forbay, close in top structure, is a kind of particular forbay in which water is pressurized. based on the integral hydraulic model test of shanghai changqiao waterwork ' s water - transport pumping station, some research on the hydraulic characteristics of the pressurized forbay has been done in the paper. the main content is listed as follows : l. the hydraulic characteristics of the pressurized forbay in different water supply combination and different pump unit combination without divertion measure, and the reason of the poor flow state. 2. the hydraulic characteristics of the pressurized forbay with diversion pier, and the reason why the flow state can be improved. 3. the experimental research on the critical air suction condition of the pressurized forbay
本文基於上海長橋自來水廠改造工程送水泵站整體水力模型試驗,對有壓前池的水力特性進行了研究,研究的主要內容如下: 1 、無導流措施的有壓前池在不同供水組合及不同機組開機組合條件下的水力特性,並分析了流態較差的原因; 2 、加設導流墩後有壓前池的水力特性,以及加設導流墩流態改善的原因; 3 、有壓前池進氣臨界條件的試驗研究; 4 、水泵進氣以後水泵性能的討論。It specifies the process of the design, simulation and experiment of liquid cooling system. main contents of the thesis are as follows : description of the present usage of liquid cooling system, presentation of a new type of liquid cooling system and description of its work principles ; design of the liquid cooling system, which mainly deals with the design and collating calculating of serpentine condenser and heat exchangers adopted in this system. meanwhile, the model chosen calculating of compressor 、 thermal expansion valve 、 plate evaporator 、 water pump and the like equipment used in the system are also carried out
本文的主要內容如下:對液冷源使用現狀進行了描述,提出了一種新型液冷源系統並對其工作原理進行了闡述;對系統進行了設計,主要對系統中所採用的管帶式冷凝器和水側空/液換熱器進行了設計和校核計算,同時對系統中所用到的壓縮機、熱力膨脹閥、板式蒸發器、水泵等配套設備進行了選型計算;分別對製冷系統和冷卻液循環系統進行了數學建模。Based on the comparative analysis of two available heat system plan, the paper selects the water - water heat pump system plan. after a series of character analysis, design calculation ; the style of compressor including media choosing and its circle dynamic calculation for the thermodynamic system is determined. besides this, based on some basic measure of thermodynamic analysis, the heat pump coefficient of performance is discussed ; the exergy analysis for the water - water heat plan is conducted ; the calculation formula of heat pump exergy efficiency is derived ; an optimal model for heat pump together with thermal machine is established and the main exchanger equipment in heat pump system including its resistance calculation is designed in details
本文通過對兩種系統方案進行比較分析,確定了水環熱泵系統的基本方案,經過定性分析和設計計算,進行了壓縮機的選型、工質的選擇、熱力系統的循環計算等基本設計,同時應用熱力學分析的一些基本方法,討論了如何評價熱泵系統的性能系數,並對電廠循環水余熱回收熱泵系統進行了(火用)分析,得到了熱泵過程(火用)效率的計算公式,建立了熱泵?熱機聯合機組優化模型,還對熱泵系統的主要換熱設備進行了詳細的結構設計和阻力計算,最後對熱泵系統進行了技術經濟分析和評價。分享友人