離心進氣 的英文怎麼說
中文拼音 [líxīnjìnqì]
離心進氣
英文
radial outward admission- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 進 : 進構詞成分。
- 氣 : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
- 離心 : 1 (不是一條心) be at odds with the community or the leadership2 (離開中心) centrifugal; eccen...
- 進氣 : air admission; admission; inlet; onflow; charging; access of air; admittance; air in; air intake;...
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Boiling drier, the other name is fluid bed, is composed of air filter, heater, main frame of boiling bed, star like feeder, cyclone separator, cloth bag dust catcher, high pressure centrifugal blower, and control board
沸騰乾燥器,又稱流化床,經過30多年的使用、改進,目前在制藥、化工、食品、糧食加工等方面,越來越體現它的重要作用。它是由空氣過濾器、沸騰床主機、旋風分離器、布袋除塵器、高壓離心通風機、操作臺組成。Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution
在此基礎上模擬在冬夏兩季不同情況下,不同流速對熱管空氣預熱器壁面溫度的影響;然後對影響整個流場分佈的各種因素:包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬;最後提出在分流煙道轉彎處加裝導流板,並模擬加裝導流板后的流場分佈,得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈,以論證加裝導流板能達到流場均勻化的作用。As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn
理論工作方面,首先描述了撞針型高壓小孔徑離心式噴嘴的霧化加濕過程和液體的物理性質,然後結合撞針型高壓小孔徑離心式噴嘴的結構特點,將其霧化加濕過程分三個階段進行機理上的研究,這三個階段依次為液膜形成、液膜初次破碎及二次霧化、水與空氣的熱濕交換。With this purpose, this paper researches the state of dometic and overseas seal technique ; uses other enterprise ' s successful experiments for reference ; combines the factory set ' s structural property, technics characteristic and the different request of medium leakage degree ; considers the respective strongpoints of floating ring seal, conical floating seal, suction labyrinth seal, inflator labyrinth seal, mechanical seal, dry gas seal ; finds out the optimum, dependable seal techinique fiting for each set on the base of entire analysis on the centrifugal compressor. and in the end by putting this plan into practice the factory achieves localized reconstructs, reduces the production cost and fulfils the demands of secular safe use
本文在把握國內外離心壓縮機密封技術的發展狀況,借鑒其他企業的成功經驗基礎上,根據我廠機組結構特性、工藝特性、介質泄漏程度要求的不同,以及浮環密封、錐形浮環密封、抽充氣式迷宮密封、機械密封、干氣密封的各自特點,對離心壓縮機存在的密封問題進行了全面剖析,研究了適合每臺機組最佳、可靠的密封技術,實施了本地化技術改造,降低了生產成本,滿足了機組長期穩定運行的生產要求,取得了顯著的經濟效益和社會效益。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。Although the accuracy in meterological forecast of tropical cyclones has been distinctly improved, it is still a difficult problem confronting masters and anti - typhoon team leaders of the companies how to steer clear of typhoon reasonably and safely in case that the actual resistance to typhoon is strong enough, the sea area wide enough, and the time permitting ; to avoid unreasonable deviation, anchoring for shelter, blindly rushing onto her path, being involved in storm area, even into the the center of typhoon ; under the limitation of the condition of the sea area and time. how to take correct meassures to escape, such as navigating with wind or windward in bias angle, slowing down, anchoring, berthing alongside the warf, mooring to buoy, etc. as early as possible
盡管氣象部門對熱帶氣旋監測預報的準確率已經比過去有了明顯的提高,然而船舶在海上如何避離臺風,如何做到在本船實際抗風能力允許、海域條件允許、時間也充裕的前提下合理避臺,安全避臺,避免不合理的繞航、 「扎風」 ,避免盲目冒進「搶風頭」 ,更避免被捲入強風區甚至臺風中心;在海域條件受限、時間尷尬的情況下又如何正確採取偏順航、偏頂航、滯航、錨泊、系岸、系浮等抗臺措施和技術,盡快擺脫臺風的影響,仍然是擺在船長和公司防抗臺領導小組面前的一個實實在在的難題。In this experiment, radio - immunoassay and hybridization in situ were applied to observe the insulinotropic activities of glp - 1 ( 7 - 36 ) nh2 and reveal the mechanisms underlying this process. methods : rat pancreases were removed from 3 - 5 day - old sprague - dawley rats and dissected into 0. 5mm3 segments and islets were isolated by the collagenase digestion method of wangling et al. thoroughly washed islets and suspended in modified rpmi - 1640 medium supplemented with 10 % fetal bovine serum, and added to 50ml cell culture flasks
方法:胰島的分離參照王玲等的方法,每次實驗取新生3 - 5天sd大鼠,無菌條件下剖腹取出胰腺,剪切為0 . 5mm ~ 3的組織塊, v型膠原酶消化30min后,離心洗滌,懸浮於完全培養基,接種入50ml培養瓶,於5 co _ 2 、 95空氣條件下培養20h ,轉板純化,接種於96孔培養板培養24h ,按實驗要求進行實驗。When the water - air ratio increases, air ' s changing quantity of enthalpy and absolute humid will be enhanced. at last, the paper analyses the data from single factor experiment by mathematics method and gets relationship formulas about the nozzle flux, valid humidifying quantity and air ' s enthalpy changing quantity
最後,對上述單因素試驗得到的數據進行數學分析,運用線性回歸分析、多項式回歸分析和非線性回歸分析的數學方法,得到影響撞針型高壓小孔徑離心式噴嘴的噴嘴流量、有效加濕量和空氣焙變量的數學關系式。Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied
本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監測系統。In view of the design, manufacture, application and development of the filtering equipment for mineral processing in china, the research achievements and advances in vacuum filter, single - chamber folding belt vacuum filter, horizontal belt filter , disk filter, frame and box pressure filter, belt filter, continuous air pressure filter, settling - filtering centrifugal dewaterer and filtering mediums and aids are summarized and some opinions are given
針對我國選礦過濾設備的設計製造、應用和發展的情況,總結了真空過濾機、無格及折帶真空過濾機、水平帶式真空過濾機、圓盤真空過濾機、板框及廂式壓濾機、帶式壓濾機、氣壓式連續壓濾機、沉降過濾離心脫水機以及過濾介質、助濾劑等方面的設備及過濾技術研究成就與進展,並提出了看法。It has permanent release negative ions, and far - infrared emission, deodorant antibacterial, purifying water and air, activated human cells, and promote blood circulation, eliminate fatigue, improve sleep, improve human immunity, prevention of heart diseases, cervical spondylosis, hemorrhoids, and other health - care functions
它具有永久性釋放負離子、發射遠紅外、除臭抑菌、凈化水和空氣、活化人體細胞、促進血液循環、消除疲勞、改善睡眠、提高人體免疫力、預防心臟病、頸椎病、痔瘡等多種醫療保健功能。Cracking failure of centrifugal compressor ' s impellers was analyzed, the welding craters in the impellers led to stress concentration. the unsteady gas flow accelerated the development of cracks in the impeller
摘要針對某石化公司離心壓縮機葉輪多次發生開裂、掉塊等故障以及裂紋形成機理進行了分析。分析結果表明了葉輪開裂原因系疲勞開裂,葉輪焊接缺陷產生了焊接弧坑,造成表面應力集中,氣流激振加速了裂紋擴展。Inlet box positions for centrifugal fans
離心式風扇進氣箱位置On the basis of analyzing the theory of gas - solid two - phase flow, the paper put forward two ways of lightening the erosion of centrifugal fan from the point of view of initiative preventing erosion : changing fan ' s inlet and changing fan ' s impeller
本文在分析離心風機氣固兩相流動理論的基礎上,從主動防磨角度提出了兩種減輕風機磨損的方法:改造風機進氣箱和改造風機葉輪。It brings remarkable economic results and social beneficial results. this paper ' s research focuses on the following aspects : 1 ) aerial compressor reconstruction with float hoop seal : solving the problems of severe abrasion of labyrinth seal, medium contamination of seal oil and seal oil leakage to the lubricating oil system
本文主要針對離心壓縮機中富氣和循環氫氣壓縮機的密封技術,進行了以下幾個方面的研究: 1 )富氣壓縮機浮環密封的技術改造,對迷宮密封損壞嚴重、密封油受到介質污染、密封油竄入潤滑油系統等問題進行了研究。Operation, leaves the air by centrifugal force intermediate role to the brink of incompetence impeller movement into bengti circular cavity at, and then returned to impeller, re - starting from the leaves of the cycle in the same way again
運轉時葉片中間的空氣受到了離心力的作用,向葉輪的邊緣無能運動,進入泵體的環形空腔,然後又返回葉輪,重新從葉片的起點以同樣的方式再進行循環。Detailed numerical simulation of krain impeller at design operating condition is made, the computed results, such as circumferentially averaged shroud static pressure distribution, meridional velocity and relative flow angel et al., show good agreement with experimental data
對krain高速離心葉輪在設計工況下的內部流場進行了詳細的數值模擬,計算所得輪蓋壓力分佈、子午速度及相對氣流角分佈與實驗結果吻合較好,並且進一步加深了對二次流機理的認識。Thirdly, image measurement technology was also taken to study gas - liquid two - phase flow in the centrifugal pump impeller
利用圖像測量技術對離心泵內氣液兩相流中的氣相流動特徵進行研究。The group also has advanced test facilities for filtering products, such as the state - level quality control and test center for filtering and separating machineries, air filter test rig, lube oil test rig, fuel filter test rig and accurate testing system, in order to make sure that the products can meet the demands of performances
擁有國家級的過濾與分離機械產品質量監督檢測中心,空氣濾試驗臺、機油濾試驗臺、燃油濾試驗臺及高精度的測試系統,使過濾技術處于國內先進水平,保證了產品的研製和產品的技術性能要求。Improvement practice of cooling method for centrifugal air compressor without oil lubrication
無油離心式空氣壓縮機冷卻方式的改進與實踐分享友人