煤燃燒率 的英文怎麼說

中文拼音 [méiránshāolǜ]
煤燃燒率 英文
combustion rate of coal
  • 煤 : 名詞（黑色固體礦物） coal
  • 燃 : 動詞1. （燃燒） burn 2. （引火點著） ignite; light
  • 燒 : Ⅰ動詞1 （使東西著火） burn 2 （加熱或接觸某些化學藥品、放射性物質等使物體起變化） cook; bake; hea...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 燃燒 : （物質劇烈氧化而發光、發熱; 燒） burn; kindle; flame; set on fire; [化學] combustion; inflammation; ignition
  1. Low combustion efficiency and serious pollution problems come with the behindhand facilities and technology of coal combustion

    由於燃煤設備和燃燒技術相對落後，因而帶來了燃燒效率不高和環境污染嚴重兩大問題。
  2. Moreover, the system of powdered coal conveying with primary air is the most important tache, whether the distribution of primary air is even or not directly relates to whether the distribution of powdered coal is even or not in all firing implement and nozzles, sequentially directly relates to whether it is hard to take fire, whether the fire is stable, whether there is coking and how about the heat efficiency of the boiler, hi addition, if there is jamming and deflagrate in the system of powdered coal conveying with primary air, severe safety accident can be resulted

    良好的煤粉配風是建立合理的爐內空氣動力工況和穩定燃燒的必要條件。而其中一次熱風送粉系統又是最重要的一個環節，一次風配風是否均勻直接關繫到煤粉在各燃燒器和各噴嘴中的分佈是否均勻，從而直接關繫到著火是否困難、火焰是否穩定、局部是否結焦以及鍋爐的熱效率高低。若一次風送粉系統發生堵塞和煤粉爆燃則可能引發嚴重的安全事故。
  3. It could intensify and control the hot coal gas to have stable combustion by regulating the physical mixed process of hot coal gas and combustion - supporting air. furthermore, it designs and develops the dgr type flame adjustable combustion equipment, suitable for the combustion of hot coal gas and it has the advantages of high combustion efficiency, high turndown ratio, safe and reliable operation. it has obtained the national patent

    可以通過調節熱煤氣與助燃空氣的物理混合過程來強化和控制熱煤氣的穩定燃燒，並設計研製了一套適于熱煤氣燃燒的dgr型火焰可調式燃燒裝置，燃燒效率高，調節比大，運行操作安全可靠，已獲得國家專利。
  4. Meanwhile in the condition of high temperature, water vapors can participate in combustion. water gas reaction will happen, which will reduce carbon particle in flame, and reform combustion performance, so improve combustion efficiency. the article developed a kind of technology of water injection into intake ports for 4135g diesel engine, meanwhile designed a suit of water injection system

    同時在高溫條件下，水蒸汽參與燃燒，部分水分子與未完全燃燒的熾熱的炭粒發生水煤氣反應，形成可燃性氣體，從而減少了火焰中的炭粒，提高了油的燃燒程度，改善了燃燒狀況，提高了油的燃燒效率。
  5. Cause analysis of lower burn - up ratio in anthracite firing boilers with w - shaped flame and twin - arch combustion

    火焰雙拱燃燒鍋爐燃用無煙煤燃盡率低的原因分析
  6. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點，提出多變量協調控制方案，解決了系統可控性差，難以實現穩定自動運行的問題；在此基礎上，改變以往以煙氣含氧量控制送風的傳統模式，針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重，煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題，應用智能控制理論中的模糊控制技術，結合自尋最優控制的思想，設計了一種模糊自尋優控制器，應用在電站鍋爐送風控制系統上，並闡述了動靜態兩種實現途徑，通過在線優化風煤配比，實現最佳經濟燃燒，切實保障了鍋爐的經濟運行。
  7. The burners of 220 t / h boiler in henan shenhuolv power plant were retrofitted by using the pulverized coal burners with stabilized - firing cavity and cutting down the distance between up - primary air and down - primary air etc. technologies, thus the boiler was successfully converted from originally designed burning high calorific value coal to low calorific value coal, the boiler could operate stably at 50 % load without oil - firing aid and the thermal efficiency of boiler reached 89 %

    摘要採用穩燃腔煤粉燃燒器並集中布置上、下一次風等技術對河南神火鋁電廠220t / h鍋爐燃燒器進行改造，成功地將該爐原設計燃用優質煤改燃為普通煤，並取得了改造后50 %負荷可無油穩定運行，鍋爐熱效率達到89 %的良好效果。
  8. By virtue of the experiments carried out on the modified pilot - scale biomass gasification system, the temperature field in the gasifier is made explicit. and also some principles about how the temperature, feedstock and extraction mode exert influences on heat value and production rate of gas are attained. in addition, some tentative tests of tar cracking and thermodynamic characteristics of biomass gas burner have been performed, which are that indispensable to design and operation of biomass gasification demonstration project

    接著，通過對生物質中熱值氣化中試試驗系統的多次改造和反復試驗，了解了氣化爐內溫度場分佈，得出了溫度、物料、抽氣方式等因素對生物質熱解氣的成分、熱值和產氣率影響的一些基本規律，並進行了初步的焦油催化裂解試驗和煤氣燃燒器的熱力特性、燃燒特性試驗，為面向工程應用的集中供氣示範項目提供了必要的設計和運行依據。
  9. The convective term is solved by ausm + ( a sequel to ausm which means " the advection upstream splitting method " ). the 7 species 8 steps model and 7 species 7 steps model of hydrogen / air is used in the hydrogen reacting flowfield, the 9 species 5 steps model of methane, the 10 species 10 steps model of ethane and the 10 species 13 steps model of kerosene are used in the hydrocarbon reacting flowfield, the results of the distributions of velocity, mach number, pressure, static temperature, total temperature, species mass fraction and the combustion efficiency are gained, and the numerical results of the pressure of hydrogen and methane are compared with those of the experiment

    計算中通量項採用ausm +通量分裂格式，氫反應流場採用氫/空氣的七組元八方程模型和七組元七方程模型，碳氫反應流場採用甲烷的九組元五方程模型、乙烯的十組元十方程模型和煤油的十組元十三方程模型，得出了超燃發動機燃燒室流場的速度、馬赫數、壓力、靜溫、總溫和組元質量分數分佈及燃燒效率等性能參數，其中氫和甲烷的計算壓力分佈與實驗結果進行了比較。
  10. The security that the boiler burns depends on the stability of flame mainly, in order to avoid the emergence of the explosive incident of the boiler, the coal powder must be burnt steadily in the stove, if it is unstable to burn, temperature field is not even in the stove, light to cause thermal efficiency of boiler reduce greatly, cause to waste, heavy and easy to is it produce stove serious consequence to present

    鍋爐燃燒的安全性主要取決於火焰的穩定性，為了避免鍋爐爆炸事件的發生，爐內煤粉必須穩定燃燒，如果燃燒不穩定，爐內溫度場不均勻，輕則導致鍋爐的熱效率極大地降低，造成浪費，重則容易出現爆爐等嚴重後果。
  11. First, the use producer gas generator may enhance the thermal efficiency, also the coal burning full, may reduce the energy to disappear, with direct coal - burning, may reduce disappears 20 - 40otranslation

    首先，使用煤氣發生爐可以提高效率，且煤燃燒充分，可降低能源消耗，與直接燃煤相比，可降低消耗20 - 40 。
  12. Via the analysis of heat balance computation model and the computation of online heat balance for industrial coal boiler, this dissertation researched overall input heat, efficient utilized quantity of heat, heat losing of discharge flue gas, heat losing of chemistry and mechanism incomplete combustion, heat losing of dispelling heat of boiler, heat efficiency, air superfluous coefficient, wind speed, wind quantity, computation of primary air circle cutting and whose influence on boiler combustion efficiency

    本文通過對工業煤粉鍋爐熱平衡計算模型的分析，利用在線熱平衡計算，研究了總輸入熱、有效利用熱量、排煙熱損失、化學不完全燃燒熱損失、機械不完全燃燒熱損失、鍋爐散熱熱損失、熱效率、空氣過剩系數、風速、風量及一次風切圓計算以及這些因素對鍋爐燃燒效率的影響。
  13. The stress is basing coal - fired boiler inflammation system feature and control demand to design a kind of fuzzy - pi controller on based of genetic algorithm to control it. the controller refers the error and its variety rate as its inputs. and, in order to make the control qualities much better, concerns them as the performance index to optimize the membership function of the fuzzy variables and the pi ' s controller parameter by means of online adjujsting the genetic algorithm, inflammation system steam pressure loop and economic inflammation loop

    重點是針對燃煤鍋爐燃燒系統的特點和控制要求，設計了一種基於遺傳演算法的模糊- pi復合控制器對其進行控制，該控制器以偏差、偏差變化率作為輸入量，通過遺傳演算法在線調整模糊控制器的模糊變量隸屬度函數和pi控制器的參數，從而達到優化模糊控制規則和pi控制器參數的目的，實現燃燒系統的蒸汽壓力迴路和經濟燃燒迴路的控制要求。
  14. Then a self - searching optimal control method for enhancing thermal efficiency is obtained through the optimal wind - coal ratio. then a computer control system for economic combustion in coal - fired boiler is designed

    通過實現燃煤鍋爐最佳風煤比，得出提高鍋爐熱效率的自尋優控制方案，設計出了用於燃煤鍋爐經濟燃燒的計算機控制系統。
  15. This system finished supervisory control of boiler burning, sampled signals through sensors and calculated the signals whether reached the best content of oxygen and the best wind - coal ratio. using it controls the quantity of coal, entering wind and sending wing for reaching the best thermal efficiency of burning and improving economy benefit of boiler running

    系統對鍋爐燃燒進行監控，通過傳感器采樣信號，計算是否達到最佳含氧量、最佳風煤比，來控制給煤量、引風量和送風量，使燃燒達到最佳熱效率和提高鍋爐運行的經濟效益。
  16. In this thesis, designing " a " furnace arch by applying momentum synthesis and applying the laminar coal supply device to improve the burning in furnace, the operation duty of chain boiler, the thermal efficiency of boiler, are studied, according to the problems of the irrationality on boiler proper frame and the disproportion on system disposition in the design and the operation of chain boiler

    本文根據鏈條鍋爐設計和運行中存在鍋爐本體結構上的不合理、系統布置上的不匹配等問題，研究了利用動量合成法設計「 」型火焰爐拱，以及利用分層給煤裝置來強化爐內燃燒，改善鏈條鍋爐運行工況，提高鍋爐熱效率。
  17. Circulating fluidized bed boiler ' s combustion efficiency is very high, and it ' s value of economic and environment protection is superior to other type boiler. so it is worth for us to spread circulating fluidized bed boiler

    循環流化床鍋爐的燃燒效率很高，大於或等同於煤粉爐，其經濟和環保價值均優于其他類型鍋爐，因此它是個值得大力提倡推廣的燃煤爐型。
  18. According to practical running process, the designed coal sootless combustion boiler can not only improve efficiency of using resources, but also protect environment

    經過實際證明，所設計的鏈條爐排煤無煙燃燒鍋爐既提高了資源利用率，又保護了環境。
  19. In britain, as in most rich countries, the average efficiency of coal - fired power stations is about 35 %

    同大多數富國一樣，英國燃煤發電站的平均燃燒效率在35 %左右。
  20. Biomass fuel is used as reburning fuel to deoxidize no is first experimental studied in this article. conclusions can be drawn from the experimental results that under certain conditions, nox deoxidized efficiency can achieve 50 % - 70 %. compared with coal, biomass volatilization and combustion time is short, so boiler combustion efficiency can be guaranteed

    本文首次進行了生物質燃料作為再燃燃料還原no的試驗研究，研究表明生物質燃料再燃還原no可以取得非常好的效果，在一定的條件下可以達到50 - 70 ，生物質燃料的揮發分析出和燃燒的時間都要比煤粉短，用作再燃燃料可以有效的保證鍋爐的效率。
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