提高熱經濟性 的英文怎麼說
中文拼音 [dīgāorèjīngjìxìng]
提高熱經濟性
英文
thermal refinement- 提 : 提動詞(垂手拿著) carry (in one's hand with the arm down)
- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 經 : 經動詞[紡織] (把紡好的紗或線梳整成經紗或經線) warp
- 濟 : 濟名詞1. (古水名) the ji river2. (姓氏) a surname
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 高熱 : [醫學] hyperpyrexia; high fever高熱期 [地球物理] altithermal; 高熱水泥 [材料] high-heat cement
- 經濟性 : economical efficiency
- 經濟 : 1 [經] (社會物質生產和再生產的活動) economy 2 (對國民經濟有利或有害的) economic; of industria...
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At last, there is a practical design of gshp - radiant system in a villa in chongqing. the compare of the gas - heater radiant floor system and the gshp radiant floor system indicates that the heating performance coefficient of the gshp is higher than the gas - heater to a large extent. in addition, this united system can use the closed circling water in the underground heat exchanger to remove the surplus heat load in transitional season
通過燃氣熱水器制熱的輻射地板供暖與地源熱泵制熱的輻射地板供暖性能實驗的對比,可以看出地源熱泵的供熱性能系數高於燃氣熱水器,同時在長江中下游地區還可在過渡季節利用閉式循環水吸收土壤冷量對房間進行供冷,提高系統運行的經濟性。The second chapter studies the economy of ship ' s power plants, based on the aspects of lowering fuel cost, waste heat recovery, the match of ship, machinery and propeller, increasing propulsion efficiency, increasing the economy of ship ' s power plants, etc. the third chapter discusses in detail the control measures of voyage change cost, analysizes systematically the voyage change cost based on the way of fuel cost, harbor cost, voyage venture cost. the fourth chapter studies the structures and control measures of seafarers cost, maintenance cost, spare parts and stores cost, lubricating oil cost, etc. which are relatively easy to be controlled ; based on the state maintenance decision - making, a mathematical model is put forward, the validity and its solve process are discussed. the control measures of spare parts, fuel cost and lubricating oil cost should be based on scientific budget, through the control means of application, reception, usage, store check, try to acquire the inosculation of theory
第一章主要討論營運船舶運輸成本,對船舶運輸成本的概念、結構、性質與分攤、成本細分進行了分析,從宏觀上闡明了船舶運輸成本的生存環境和生長趨勢;第二章研究了船舶動力裝置的經濟性,在營運船舶降低油耗、廢熱利用、船機槳匹配、提高推進效率、提高船舶動力裝置經濟性的有效途徑等方面進行了闡述和論證;第三章詳細論述並論證了航次變動成本的控制措施,全面系統地分析和總結了航次變動成本,通過對燃油成本、港口使費、航次風險成本的分析與控制,提出了航次風險成本的概念並論述了若干航次風險成本的控制措施;第四章對船舶營運成本中的船員費用控制、維修保養及其費用控制、船舶備件物料管理及其費用控制等幾個主要可控性較高的成本進行了細致的分析並分別討論了相互的控制措施,提出了基於狀態維修決策的馬爾可夫數學模型並論證了模型的正確性及具體解算步驟,對于備件、燃潤物料的控制堅持以科學的預算為前提,以申領、接收、使用、盤存為控制環節,切實做到理論與實踐的密切結合;第五章,結合營運成本的預核算的案例,對船舶營運成本的預算及核算進行了有益的探討,旨在揭示成本發生的動因,並給出了成本預算、核算的編制方法。This paper adopts the thermodynamic method to on - line monitor the performance of the feed pump and on the base of the method develops the feed pump status monitoring system. the system has been applied to one power plant 2qomw unit and reached the good improvements of safety and economy for the unit operation. dai ri - jun ( feng zhen power plant ) directed by prof
本文在充分研究給水泵效率在線監測方法和故障機理的前提下,採用熱力學法對給水泵進行性能在線監測,同時開發了狀態監測系統,並將二者合二為一,成功地應用於200mw機組的給水泵,提高了機組的運行的安全性與經濟性。After researching the part thermal equipments and systems include heaters, steam leakage and receiving systems, low pressure drain system etc, and computing the efficiency of the systems, find out the better choice of the imported assemblies than the domestic assemblies in parameter and the disfigurements in design and making. based on the above, point out the measure to progress them. according to the analysis, we can get some measures to increase the economical level of the systems and save more energy
對局部熱力設備及熱力系統進行分析研究,包括:加熱器設備、漏汽及回收系統、低加疏水系統、主、再熱蒸汽系統以及凝汽器等部位;並計算汽輪機本體高、中、低壓缸效率,藉此著重對汽輪機通流部分進行了剖析,找出國外進口機組動、靜葉柵、葉型的選擇比國產機組先進性以及國產機組在通流部分設計和製造中的諸多缺陷,並且指出了改進的方向,為機組提高熱經濟性、節能降耗奠定了理論基礎。On the deep foundation that studies and understands thermaldynamic system of steam power plant, this text is to compare analytic theories and computation method constantly used at present on the economy of thermaldynamic system of steam power plant, calculate the influences on thermal economy with theory of equivalent enthalpy drop when high pressure heater is into stoppage, prove influences degree on thermal economy when the composition of heater stoppage is diffrent, define regenerator rate and offer theoretical direction for heater stoppage
本文在對火力發電廠熱力系統深入學習、掌握的基礎上,對目前幾種常用的火力發電廠熱力系統經濟性分析理論和計算方法進行了比較,以等效焓降理論對高壓加熱器停運時熱經濟性的影響進行了計算,說明了高壓加熱器各種停運組合對熱經濟性的影響程度;提出了加熱器回熱率概念,從而為高壓加熱器切除提供了理論指導。To improve boiler ' s reliability and economy performance, this paper based on the studies of present utility boiler operation and management was mainly focused on the following several aspects : 1. build up efficiency calculation model and discuss the method to optimize the boiler performance for the purpose of raising accuracy of efficiency analysis
本文根據對國內外電站鍋爐運行、管理的現狀及其現有問題的研究,在提高鍋爐運行可靠性和經濟性方面做了以下工作: ( 1 )建立鍋爐效率計算的數學模型,研究熱效率的計算方法,提高其分析的準確性。About heat loss, emphasis was mainly put on the part of exit gas, furthermore, a comprehensive summation in reference to possibilities affecting emission gas temperature increment were made and corresponding measures were given
在鍋爐的各項漏損中,著重分析影響排煙熱損失的諸因素。對影響鍋爐經濟運行的不利因素給出較為有效的預防措施,達到提高鍋爐運行經濟性的目的。Since the air leakage rate of the air preheaters in waigaoqiao 900 mw units is too high, and the opening of the primary fan stationary blades can not meet the requirement of the unit loads, a retrofit was carried out for the air preheater sealing system in according to the scheme proposed by alstom germany
摘要針對外高橋900mw機組空氣預熱器漏風率偏高、一次風機靜葉開度不能滿足機組負荷要求這一影響機組運行的安全性和經濟性的問題,依據alstom德國公司提出的改進方案,對該空預器密封系統進行了改造。After appropriate reform measures were taken, the slagging and gas temperature deviation problemes have been completely solved. the boiler efficiency was raised by 2 percentage points and the boiler ' s safety and economics effect got improved
鍋爐經本次改造解決了爐膛出口煙溫偏高的問題,實現了鍋爐在130t h的額定工況下低溫段過熱器前煙溫由大修前的936下降到825的預期效果,並提高爐效2個百分點,使鍋爐運行的經濟性和安全可靠性得到改善和提高。With fast development of our country " s gas industry and air ' s increasingly serious contamination in city, using gas instead of coal and supplying energy in high efficiency and cleanliness has become necessary way in city. there are different problems in the current heating ( air conditioning ) systems. in the cogeneration system, heat and power affect each other, heating - pump heating ( aie conditioning ) system can not satisfy the peak load very well, the cost of gas fuel in boilor heating sestem is so high. the high generating efficiency of the diesel - engine two - sourse heating ( air conditioning ) systems is limited in range of 100kw - 1000kw, the heating scope is so limited. combined cycle of two sourse heating ( air conditioning ) system is most suitable selection to buesness community with big scope my paper aim at this syetem ' s primary question when it is applied in our country - - - - bringing project into execution and technology economy feasibility and off - design performence, combined with a certain demonstrating project in beijing buesness community, going along with calculating and analyzing, drawing out some efficient datas and conclusions, based on this, bringing out primary alements affecting combined cycle of two sourse heating ( air conditioning ) system " economics
熱電聯產系統熱電相互牽連,熱泵供暖(空調)系統不容易很好地滿足尖峰負荷,鍋爐供暖系統供熱中天然氣燃料構成的成本過高,內燃機雙源供暖(空調)系統的高發電效率僅限於100kw - 1000kw負荷范圍,供熱面積有限。對于大面積的商業園區、居民小區,燃燒天然氣的燃氣-蒸汽聯合循環雙源供暖(空調)系統是最佳選擇之一。本論文針對該系統在我國應用時的主要問題- - -方案的技術實施與技術經濟可行性,結合北京某一商業園區示範工程,進行了系統的計算與分析,得到了有效的數據與結論,在此基礎上,提出影響聯合循環雙源供暖(空調)系統經濟性的主要因素,並進行敏感性分析,得出有益的結論;最後通過各種供暖方案的比較分析回答了某些人對該系統的疑慮和不解,並指出系統的優化方向。To reduce the loss due to the fouling of the heat exchanger surface and improve the economic efficiency of the boiler, we must judge the soot deposition level exactly and reliably, then we can schedule the soot blowers to cure the loss caused by soot deposition
為了減少受熱面污染造成的損失,提高鍋爐經濟性,勢必要求準確可靠地判斷鍋爐受熱面的灰污染狀況,通過對吹灰器等加以調度來減少由於受熱麵灰污染帶來的損失。In this paper we establish math modal of transient temperature and stress fields of the turbine " rotor with finite element method, develop rotor ' s thermal status online monitor system by distribute computer and visual software, realize online show and analyst of temperature and stress fields when all kinds of transient condition, and finally provide reasonable and optimized operation suggestions, improve safety and economic level of unit sets " operation
本文採用有限元建立汽輪機轉子的暫態溫度場、應力場的數學模型,藉助計算機分散式計算、可視化等技術開發轉子的熱狀態在線監測系統,實現汽輪機在各種過渡工況下轉子溫度場、應力場的在線顯示與分析,提供合理的操作建議,提高機組運行的安全性與經濟性。It is significant to improve thermal economics of power plant in ningxia area
對提高寧夏地區熱力發電廠的熱經濟性具有指導意義。With the rapid development of computational fluid dynamics and combustion theory, applying the computer to numerically simulate the complicated processes in the plasma ignition is possible. using numerical simulation can estimate the parameters which are not essay to measure and not doing so many experiments can improve its reliability and reduce the cost. so numerical simulation is a new pattern way to study the inner mechanism of the plasma ignition
隨著計算流體力學和燃燒理論的發展及計算機的廣泛應用,用數值模擬等離子點火器內部燃燒系統流動、傳熱、傳質、化學反應等復雜的過程已成為可能。應用數值模擬的方法可以對實驗難以測量的量進行預估,而不需要大量的試驗,應用數值模擬的方法來解決等離子點火器燃燒性能的分析和工程設計,有利於提高工作的可靠性和經濟性。The disposal of the valves and intake manifold structure not only affect fresh air charge but airflow in the cylinder, which immediately affect combustion efficiency and the performance of dynamic, economic and emission. the structure of the air distributing institution has influence on charging efficiency and the noise of engine. the combustion chamber affects compression scale which has great influence on dynamical performance ; f / v which affects the exhaust of hc ; squash area and clearance which have great influence on the intensity of squash
氣缸蓋的氣門排列方式與氣道結構形式影響進氣充量和氣流在氣缸內的運動,從而影響了燃燒效率,對整機的動力性、經濟性以及排放都有直接的影響;配氣機構的形式影響充氣系數和整機噪聲等;缸蓋燃燒室決定了影響整機動力性能的壓縮比,影響hc排放的f / v和對擠流起決定性作用的擠氣面積以及擠氣間隙,所以燃燒室對整機動力性、經濟性、排放等都有重要的影響;氣缸蓋是整機熱負荷與熱應力最大的部件之一,熱負荷過高將不利於發動機壽命以及可靠性的提高。The testing result of the sample machine proved that design scheme and the control scheme in this study is reasonable and safe, if made products and popularized, it will greatly improve the environment protection performance and economic performance security and reliability of sample machine, so can improve the technical level of homemade bus
樣機試驗證明本研究所採用的設計方案和控制方案合理、安全,若進一步產品化和推廣使用,將大大改善國產汽車加熱器的性能,提高整機的環保性、經濟性、安全性和可靠性,從而提高國產客車的整車技術水平。Boiler combustion efficiency is improved due to the retrofit for burner material, air flow adjustment mechanism and air direction of entering burner, and cold and hot commissioning
通過對燃燒器材料、調風機構、進風方式及調節等方面進行改造,並經過冷、熱態調試后, # 1鍋爐燃燒狀況得到改善,經濟性得到提高。After the modification, the characteristic of outlet water of the spray nozzle is changed and the outlet temperature of the cooling water from the spray nozzle is decreased. as a result, the coal consumption is reduced and the efficiency of the steam turbine is better
通過對噴濺裝置的改造,改變了噴頭的出水特性,從而降低了冷卻水出水溫度,提高了汽輪機真空和汽輪機熱效率,降低了煤耗,提高了機組運行的經濟性。Aiming at the energy situation in china, this paper analyzed the problem in thermodynamic control systems, to improve the safety, reliability and economical efficiency of thermodynamic systems, and to reduce pollution, this paper bring the simulated evolution theory into the research on thermal dynamic to solve the optimization problem in thermodynamic control systems
本文針對我國目前的能源情況,分析了現有熱力控制系統中存在的問題,從提高熱力系統的安全可靠性、運行經濟性和降低污染的角度考慮,提出將模擬進化理論引入熱力系統動態學研究中,解決熱力控制系統優化中的問題。The whole system is based on the intranet in power plants and it can monitor the units " operation and commit real - time performance analysis. all of the real - time data, historical data and statistical information are published on intranet thus the workers and managers can acquire the information about the performance of the units conveniently. this system becomes the scientific and powerful assistant for power plants managers and workers to economize on energy and improve the operation level and heat economy
整個系統基於火電廠的intranet ,跟蹤機組的運行情況,對機組進行實時的性能分析,並將實時數據、歷史數據和統計信息在intranet上發布,以便運行人員和電廠管理人員能夠方便地了解機組的運行狀況,為火電廠節能降耗、提高運行水平和熱經濟性提供了科學有力的手段。分享友人