除壓系統 的英文怎麼說
中文拼音 [chúyāxìtǒng]
除壓系統
英文
pressure relief system-
This article narrated the high - pressured frequency changer in iron - smelting dust removal system transformation analysis as well as the economic efficiency analysis
本文講述了高壓變頻器在煉鐵除塵系統中的改造分析以及經濟效益分析。Improvement of dedusting system on lm - 500c hydraulic
露天液壓鉆車除塵系統的改造A feasible program is put forward. this paper introduces a project of supplying on - line laser monitor into high - voltage electrostatic dust - collecting system
激光在線實時粉塵濃度監測系統,對于高壓靜電除塵系統的優化控制起著至關重要的作用。This subject applies innovatively foundation fieldbus ( ff ) to the control system of high voltage electrostatic precipitator coal ash
本文創新性地將ff ( foundationfieldbus )基金會現場總線應用於煤輸送線高壓靜電除塵系統中。Furthermore, the test filters in the paper are of triangle arrange structure which are different from the niexueli ' s. meanwhile the experiment has enriched test types and conditions of this multi - tube hepa filter and deducted the resistance of the system elbow more correctly, so can get more reasonable resistance formulae which establishes the foundation for the further economic optimization
本文實驗在聶雪麗研究基礎上改用結構阻力更小的叉排結構,並豐富了試驗規格和實測工況,同時更準確地扣除了系統彎頭靜壓箱的阻力,從而得出了多管式高效過濾器的實用阻力計算公式,為進一步進行經濟性優化奠定了基礎。Abstract : the causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %
文摘:分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰器漏水,蒸汽引起露點腐蝕及吹灰效果差造成對流室積灰,排煙溫度高,煙氣熱量未回收利用以及爐子保溫襯里效果差等問題,提出採用聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的流程調整等改造措施.測定結果表明,本次技術改造解決了因蒸汽吹灰器漏水所造成的露點腐蝕問題,提高了保溫效果,減少散熱損失1 . 25 % ,排煙溫度降至170左右,裝置的爐效率由83 %左右提高到90 %以上The causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %
分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰器漏水,蒸汽引起露點腐蝕及吹灰效果差造成對流室積灰,排煙溫度高,煙氣熱量未回收利用以及爐子保溫襯里效果差等問題,提出採用聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的流程調整等改造措施.測定結果表明,本次技術改造解決了因蒸汽吹灰器漏水所造成的露點腐蝕問題,提高了保溫效果,減少散熱損失1 . 25 % ,排煙溫度降至170左右,裝置的爐效率由83 %左右提高到90 %以上As a main participator in the design for and research on engineering the control system, in the project of eliminating ash with water in jianbi power plant, the author emphasized on the intelligent fault diagnosis for the complex hydraulic system by the background of that project in this paper
本論文以作者參與的諫壁發電廠濕除灰控制系統的設計研究為工程背景,以柱塞泵為主要實踐對象,研究復雜液壓系統泄漏故障的智能診斷問題。The technologies, including collecting the secondary fume by electrostatic precipitator on roof, restraining the open fume by dust inhibitor and treating the mobile fume by movable ventilation installation, are emphatically described. the adjustment and control of the gas flow and the pneumatic conveyance of the dust would be widely used in dust collecting system. as to the dust collector, low pressure pulse long bag filter and surface filtering technology would be a new technique in bag filter, and enlarged equipment would be the developing trend
著重講述了屋頂除塵器、抑塵劑、移動通風槽分別是二次煙塵治理、開放性揚塵抑制、移動塵源控制的新技術措施,風量調節與控制、氣力輸灰技術將在除塵系統中廣泛應用;在除塵設備方面,長袋低壓脈沖袋式除塵技術和「表面過濾」技術成為袋式除塵新技術,設備大型化將成為方向。Heating and excluding of hydraulic system with concrete pump
混凝土泵液壓系統的發熱與排除Abstract : this paper discussed process, characteristics of the equipment and the operating effects of large sized pulse jet bag filter with long bag and low pressure in the cleaning of 100t dc electric furnace
文摘:闡述了長袋低壓大型脈沖袋式除塵器在100t直流電弧爐的除塵系統中的流程、設備特點及運行效果。While the valve receive the closing information, the electromagnetic valve is energized and the locking device is gotten rid of automatically, it is closed according to procedure by the action of heavy hammer and water, it doesn t require driving force, it cancel the energy accumulator jar and has simplified the hydraulic system
接到關閥信號后,電磁閥動作,自動解除鎖定,在舉起的重錘作用下按程序自動關閉,不需動力油源,取消蓄能罐,簡單可靠,大大簡化了液壓系統。Analysis on the common faults of the positive pneumatic ash removal system
正壓氣力除灰系統常見故障分析Chapter four control the stock investment risk, aims at the different types of risks discussed above, has constructed a systematic scheme to control the investment risk effectively. firstly, it utilizes basic analytic approach, the technological analytic approach and index system of the risk measurement to control individual stock ' s unsystematic risks in minimum ; secondly, it uses modern investment theory to dispel the unsystematic risks through combination investment. finally, our country should introduce the stock price index futures and so on in good time, utilize stock price index futures to hedge the stock portfolio and control the systematic risks of the stock portfolio, thus can finally realize the effective systematic controls on stock investment
第四章「證券投資風險的控制」 ,針對前面討論的不同種類的風險,構造k碩士學位論文物篇夕m引皿』 s 」 l 」 i壓引s一了個有效控制投資風險的系統方案:首先,利用基本分析法、技術分析法和風險度量指標體系,將單個證券的非系統性風險控制在最小;其次,利用現代投資理論,通過組合投資來消除非系統性風險;最後,我國應適時推出股票指數期貨等衍生余融工具,利用股指期貨對證券組合進行套期保值,就能控制證券組合的系統性風險,最終實現對證券投資風險的有效系統控制。Intergrated anslysis and disposal of problems in mechanical, electronical hydraulical and instrumental fields ; designing and debugging of hydraulic systems ; development of function tests ; designing of metering and testing methods ; diagnosis and fixing of system breakdowns
機電液儀問題的綜合分析與處理液壓系統設計與調試;產品性能試驗開發;測量與測試方法的設計;系統故障診斷與排除。Flow pulsation of hydraulic pumps is the source of pressure and flow pulsation in hydraulic systems. one method to reduce the pressure and flow pulsation of system is to reduce the flow pulsation of hydraulic pumps
液壓泵的流量脈動是液壓系統存在壓力及流量脈動的根源,消除液壓系統壓力及流量脈動的方法之一是減小液壓泵的流量脈動。Besides those, considering the complexity of hydraulic system, the paper establishes the mathematical model by the method of power bond graph
除此之外,考慮到液壓系統動態分析的復雜性,本文利用功率鍵合圖的方法,建立了風力機變距液壓系統部分的數學模型。Abstract this article narrated the high - pressured frequency changer in iron - smelting dust removal system transformation analysis as well as the economic efficiency analysis
本文講述了高壓變頻器在煉鐵除塵系統中的改造分析以及經濟效益分析。This controlling way can make the passengers feel much comfortable and make the bus air - conditions work with a high efficiency. in this thesis, a single - chip microcomputer fuzzy controlling system with mcu : at89c51 is designed to deal with the bus whole air - condition composed with refrigerating system and heating system. via controlling the open of temperature door, turnaround speed of evaporator fan and subsidiary engine, it can control temperature of railway carriage
本論文針對獨立式全空調型(完全合一型)客車空調系統,設計了一個以at89c51為核心的採用模糊控制演算法的嵌入式單片機控制系統,通過控制溫度門的開口角度、蒸發器風扇的轉速、輔助發動機的轉速來控制車廂內的溫度,通過壓縮機的開、停對蒸發器除霜,系統具有溫度顯示、用戶設定的分擋多級溫度控制、在線控制參數修改等功能。That is, through analysis of the principle on flow control and " hydraulic transistor ", design and calculation of flow control characteristic as well as main parts in valve inner chamber, a piloted reducing valve will be installed between main valve and pilot valve. after a pressure - difference compensating reducing valve was added in the non - pressure compensating piloted reducing valve of the flow control valve in vlalvistor valve, the calculation on control characteristic emulation and load characteristic emulation has been carried out. the result of the calculation shows that after pressure compensating reducing valve was added, the linearity of the control characteristics has been greatly improved thus eliminating influence upon outlet flow by load pressure - change of the hydraulic system and improving performance characteristics of the hydraulic component
文章還在對瑞典valvistor閥的插裝比例閥研究的基礎上,提出了一種新的流量控制原理,即:通過對流量控制和「液壓晶體管」原理的分析、流量控制特性及閥內腔主要結構件的設計計算,在主閥和導閥之間增設先導減壓閥,並進一步對valvistor閥的流量控制閥之無壓力補償先導減壓閥、加入壓差補償減壓閥后的控制特性進行了模擬計算和負載特性模擬計算,結果表明:增設壓力補償先導增壓閥后,其控制特性曲線變得非常線性,從而消除了液壓系統負載壓力變化對主閥輸出流量的影響。分享友人