循環壓縮機 的英文怎麼說
中文拼音 [xúnhuányāsuōjī]
循環壓縮機
英文
booster compressor-
Thermodynamic analyses of scroll refrigeration system with economizer
帶經濟器的渦旋壓縮機製冷循環熱力學分析Renovation to water circulation for hot water boiler
氫氣壓縮機機封冷卻水循環利用改造Development and application of the differential pressure control valve of self - force type in the circulating compressor
自力式差壓控制閥的研製及在循環壓縮機上的應用The system follows carnot cycle principle. driven by electricity, its working substance absorbs the latent heat in the air or other low - temperature heat source, and waste heat let out of living or industry, compresses it to heat by compressor, exchange, exchange heat with water to higher the water temperature ( 55 warm ). it a new water heating apparatus, used in home heating, and influenced by environment runoff and the heat exchang of working substance. this system is more used in southem china
根據逆卡諾循環原理,採用電能驅動,通過工質吸收空氣中或其他低溫熱源中無法被利用的太陽能潛熱、生活及工業排放的廢熱,通過壓縮機壓縮升溫,再與水換熱,使水溫升高,獲得( 55 )熱水,是一種新型的熱水製造設備,應用於家庭和熱水系統,受到環境溫差和工質換熱的影響,熱泵熱水器/熱水系統更多適合南方地區應用。By using a same boundary dimensions high efficient and new type copper exchanger substituted carbon steel oil condenser, and increasing flow rate of circulation water to reduce the temperature of freezing oil which feeds into compressor stage, to eliminate the malfunction during compressor operation, and improve running efficiency of the machine
採取將碳鋼材質的油冷卻器更換成等外形尺寸的高效新型銅管換熱器、增加循環水流量的方法,降低了進入二段壓縮機冷凍油溫度,排除了壓縮機運行中的故障,改善了機組的運行效率。They will short down the working life of air compressor because they are always started or stopped when we want to make the railway carriage stay in a fixed temperature. now, automatic and intelligent control systems are being applying in bus air - conditions control. in this way, computers control the work of air compressor, the turnaround speed of fan, the open degrees of wind controlled doors and so on
我國大多數客車空調仍然採用簡單的壓縮機開關控制及循環離合控制系統,如:離合器?熱力膨脹閥系統( cctxv )和離合器?節流管系統( ccot ) ,這些控制方式的精度低,當進行恆溫控制時壓縮機處于頻繁的開、停狀態,縮短了壓縮機的工作壽命。Abstract : after reforming circulating hydrogen compressor put intooperation, the sealing oil was leaked always to the system, and it menaced the safe operation of platforming catalyst. finally the non - contact type mechanical sealing was adopted, so the problems were solved
文摘:重整循環氫壓縮機組開車后,密封油一直向系統竄油,嚴重威脅鉑重整催化劑安全使用,最後改為非接觸式機械密封,問題得以解決。2 ) research on conical float seal of centrifugal copressor : the conical float seal technique is applied in the circle hydrogen compressors of diesel oil hydrogenation device which have 800 thousand tons output
2 )循環氫氣壓縮機錐形浮環密封的技術研究,年產80萬噸柴油加氫裝置的循環氫氣壓縮機採用錐形浮環密封,技術先進,使用可靠。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。The method of optimization is the complex method. the objective function is the opration expenses of the hydrogen system. there were six decisive variables : the pressure and temperature of the high - pressure separator of vrds, gas ration to the prism unit from vrds unit and ssot unit, the pressure of the high - pressure separator of ssot and the entrance pressure of the cycle hydrogen compressor
優化問題以氫氣系統的運行費用函數作為目標函數,選擇了6個決策變量,分別為: vrds高壓分離器壓力、溫度、 vrds和ssot裝置排入prism的氫氣量、 ssot高壓分離器壓力和循環氫壓縮機入口壓力。The results showed that : ( 1 ) the application of the above optimization method is feasible in the process of vacuum residue hydrotreating. ( 2 ) shaft power is a small part in the operation fees of the hydrogen system and has little influence on the optimization results. ( 3 ) vent should be decreased to reduce energy consumption because of the high concentration of the cycle hydrogen after rebuilding of the unit
在pc - 133微機上進行了模擬和優化計算,結果表明: ( 1 )以復合形法為核心的可行路徑序貫模塊法在重油加氫過程中的應用是可行的; ( 2 )壓縮機軸功率在重油加氫的氫氣系統操作費用中所佔比例較小,對優化結果影響不大; ( 3 )裝置經過技術改造后循環氫純度過高,可以減少放空以節省能耗; ( 4 )建立的氫耗模型能夠可靠地計算現有裝置的循環氫濃度、溶解氫總量和裝置氫耗量。The problem existed in circulating hydrogen compressor oil system of reforming unit were analized in detail. the technical reconstruction measures were adopted directly. the operation situation of oil system was improved thoroughly, thus the normal operation of compressor was secured
對重整裝置循環氫壓縮機組油系統所存在的問題進行了細致的分析,有針對性地採取了技術改造措施,徹底改善了油系統的運行狀況,從而確保了機組的正常運轉。5 ) research of circle hydrogen compressor with dry air seal
5 )循環氫氣壓縮機干氣密封的先進技術研究,為今後擴大應用奠定了基礎。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。With mixed - refrigerant, the thermodynamic efficiency of j - t cooler can be greatly improved. in this thesis, an open fast - cool - down j - t cooler driven by the high pressure pure nitrogen is investigated, and we also proposed mixed - refrigerant j - t coolers driven by a single stage oil - lubricated air - conditioning compressor. these two systems were studied both in theory and experiment
採用混合工質的j - t節流製冷機在熱效率上比純質有大幅度的提高,本文從理論和實驗兩個方面分別對開式的j - t快速節流製冷機系統和用空調壓縮機驅動的混合工質閉式j - t節流製冷循環進行了研究。An experimental apparatus has been set up and experiments have been carried out successfully. it is the first time to use a kind of environment - friendly refrigerant, a rectifying column and an air - conditioning compressor in the ultra - low temperature refrigeration cycle. high boiling component, low boiling component and lubricant can be separated effectively
本文自製了一臺自動復疊製冷循環樣機,採用環保型製冷工質、精餾裝置和單級油潤滑空調壓縮機,實現了混合工質高低沸點組元和潤滑油的高效分離,成功地把低溫箱內的溫度降到- 80 。The main research in this thesis can be summarized as follows : ( 1 ) the structure and features of tc620 turbo cycling compressor are introduced. its frequent faults, fault mechanism and diagnosis are also analyzed. ( 2 ) the vibration signal analysis based on fault analysis and processing are presented, including wave analysis, tarce analysis, frequency spectrum analysis etc. and connected signal transformation ideas are also described, which can be conducted in amplitude field, time field and frequency field according to different needs
本文主要包括以下內容: ( 1 )介紹了tc620透平循環壓縮機的結構特點,歸納總結了其常見的故障現象,分析了各類故障產生的機理和診斷方法; ( 2 )論述了基於故障分析處理的幾種常用的振動信號分析法,如波形分析、軌跡分析、頻譜分析等。Application of programmable regulating controller in circulation gas compressor
可編程序控制器在循環壓縮機中的應用( 4 ) on - line condition monitoring and fault diagnosis system is designed based on computer ' s aid in monitoring and analysis for auto - monitoring and integrated protection of turbo cycling compressor. the projects in this theses have been successfully performed in practice
( 4 )在引入計算機輔助監測、分析的基礎上,設計了tc620透平循環壓縮機的在線狀態監測與故障診斷系統,以實現對機組的自動監測和綜合保護。The transformation measures for turbo cycling compressor are also presented. all these are based on the fault diagnosis technique of large - scale rotating machine, and author ' s rich experience in maintenance of mechanical equipment. it meets the demand for actual operation and maintenance of tc620 inserted turbo cycling compressor, which is the key equipment of synthetic ammonia workshop in hunan dacheng zidan group
本文針對湖南大乘資氮集團公司合成氨車間的關鍵設備? ? tc620內置式透平循環壓縮機的實際運行情況和維護需要,以大型回轉機械的故障診斷技術為指導,並結合本文作者長期的機械設備維護經驗,深入地研究了透平循環壓縮機的在線狀態監測和故障診斷的理論方法與具體實現,並提出了相應的透平循環壓縮機改造措施。分享友人