爐膛溫度 的英文怎麼說

中文拼音 [tángwēn]
爐膛溫度 英文
fire box temperature
  • : 名詞1. (胸腔) chest; thorax 2. (器物的中空部分) inside cavity; chamber
  • : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 溫度 : [物理學] temperature
  1. This article aims at the boiler ' s problems in operation : 1 ) under nominal load, the smoke temperature at the outlet of hearth reaches 1200, far more exceeds 1050 the original designed temperature. this will always result in slag inside boiler and the temperature of overheater ' s pipe superheat, so that boiler cannot take nominal load and all these influence boiler ' s nomal operation heavily, 2 ) this article also studied the reason why the assistant oil becoming necessary when coal changes. during the nomal operation, many factors ( makeup of combustor and its disposal, smirch and encrust of water wall, excessive air coefficient, temperature of primary air, coal type and density of coal dust ) can deviate the designed working conditions, then affect the boiler ' s nomal operation

    本文針對該鍋在實際運行中存在的問題:在額定負荷下,出口超、低段過熱器前煙高達936 ,遠遠超過815的設計值;噴燃器四周水冷壁結焦嚴重,過熱器管壁超標,無法帶上額定負荷;甚至有時因燃煤質量的變化,必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中,燃燒器的結構、布置,水冷壁的粘污、結垢,過剩空氣系數、一次風、煤種及其濃變化等許多因素都會偏離鍋的設計工況,從而影響內的傳熱和燃燒,造成出口超、水冷壁結渣等問題。
  2. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    通過理論和試驗探討,選用鎳鉻合金電阻絲作為加熱元件,配以陶瓷質埋入式;選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶( k )作為測元件;熱電偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保材料;合理選用和設計了控制器、變送器、信號放大電路等硬體;採用升曲線來控制供熱過程;採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法,進行圖形處理。
  3. According to finite element segmentation principle, by combining test with observation, the author has measured the air streamline and speed distribution of burning equipment in dally situation, which provides some guide for research of air field in hearth on cold and hot conditions. and the law is found of air speed distribution by measuring its speed and distribution of upper and lower deck on cold condition, thus it lays the foundation for analysis on hot condition. under four burning states, we measure the air speed in single, double - deck, and find out its corresponding distribution law

    5 .根據有限元分割原理布置測點,採用降方法,用k五江9106等儀器分別測出單雙排燃燒方式4種不同工況下,該燃燒設備內coz 、 02 、 co氣體濃,並找到了隨方向及深方向變化規律;從燃燒原理分析評價了2種燃燒方式內coz 、 02 、 co氣體濃場分佈特點及相應燃料層內乾燥、干餾、氧化、還原、灰渣層厚,肯定了雙層排燃燒方式中c02 、 02 、 co氣體濃場分佈合理性,從燃燒理論找出了最佳濃場分佈狀態及燃料層內各反應層厚
  4. The application of dcs to control system for circulating fluidized bed boiler, including the drum water level control, steam temperature control, hearth negative pressure control, fuel control and circulating fluidized bed temperature is introduced

    摘要介紹了集散控制系統在循環流化床鍋控制系統中的具體應用,包括汽包水位控制、蒸汽控制、負壓控制、燃料控制和控制。
  5. Avoiding the difficulties of detecting the difficult parameters in furnace control and of building up the models, integrated with fuzzy control and conventional pid control, abb ’ s control it system is used to predict the bloom surface and center temperature directly based on the temperature of furnace wall easily to be detected so that the temperature settings in various furnace sections can be self - corrected, the furnace temperature of each section self - adjusted and on - line parameters of combustion control self - optimized. in addition, the heating parameters and the operating status of the field plant can be monitored with alarm

    採用abb公司的controlit控制系統,避開子控制中遇到的困難參數檢測及建模困難等因素,直接根據容易檢測的來推知鋼坯表面及鋼坯中心,將模糊控制技術與常規pid控制相結合,實現各段設定值自修正、各段自協調、各參數在線自整定的自尋優最佳燃燒控制;對熱工參數、現場設備的運行情況進行監視、報警,實現壓力、管道壓力、換熱器的保護控制,並將重要參數送往廠級mis網路。
  6. After thermodynamic calculation on several operation conditions of the furnace, cold - state flow and resistance mensuration, the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1. 25 surplus air to less than 1. 15, improving the combustion condition and convection and radiate heat transfer efficacy, resuling in reducing the waste - gas temperature 45, decreasing exhaust gas loss, and saving fuel by 6 %

    摘要通過對加熱幾種工況進行熱力計算、冷態試驗的流場分佈及阻力測定和熱態試驗的爐膛溫度場分佈及管壁等參數的測定,確定將管式加熱內直流燃燒改為旋流場燃燒和增加輻射筒,增設煙氣含氧量分析,可以將燃燒的過剩空氣系數從1 . 35減小到1 . 15以下,極好地改善內的燃燒狀況和對流輻射傳熱效果,從而降低排煙45 ,減少加熱排煙損失,節約了煤氣量6 %以上。
  7. Temperature uniformity in hearth, high pass - rate of praduction

    爐膛溫度均勻,產品合格率高。
  8. Temperature field modeling and measuring in the hearth space of heat treatment furnace

    熱處理內空間場建模與檢測
  9. At last, a two - step fuel control system, which takes the radiation temperature as an intermediate controlled parameter is designed to improve the control character of boiler. control model and respective control strategy is introduced and simulation calculation result is demonstrated in this article

    最後,提出將輻射作為中間被調量構成串級調節系統以改善鍋調節對象的調節特性,研究了相應的模型和控制演算法,文中給出了模擬計算結果。
  10. The ideology and experience regarding design of large capacity w flame units in foreign countries should be further acknowledged, this can be an example for us to draw a more reasonable rules and methods of calculation. in this thesis, the systematic numerical simulations were conducted for w flame boiler furnace

    針對邯峰電廠的660mw機組w型火焰鍋的特點,編制和完善了內熱態流動及燃燒模擬程序,並進行了全面的內過程數值計算,得到了鍋內的分佈和速分佈,對鍋性能進行了預報。
  11. In it, studies are carried out such as the combustion theory analysis of biomass briquetting, equipment design, thermal performance test, air flow field test, density field test in the hearth, temperature field test, the dreg characteristics, main design parameters and technological and economic evaluation, and so on. the author has gained all kinds of indexes of the equipment and the changing laws of air flow field, temperature field, density field, dreg and main design parameters. this will lay theoretical foundation on design, operation and technology improvement, meanwhile, this will offer actual guidance for development of equipment

    本文通過對「生物質成型燃料燃燒設備設計」 、 「生物質成型燃料燃燒設備熱性能試驗」 、 「生物質成型燃料燃燒設備空氣流動場試驗」 、 「生物質成型燃料燃燒設備場試驗」 、 「生物質成型燃料燃燒設備內氣體濃場試驗」 、 「生物質成型燃料燃燒設備結渣特性試驗」 、 「生物質成型燃料燃燒設備主要設計參數確定試驗」及「生物質成型燃料燃燒設備技術經濟評價」等方面的系統研究,獲得了生物質成型燃料燃燒設備各項性能指標及燃燒空氣流動場、場、濃場、結渣性能、主要設計參數變化規律。
  12. These results show that since the existent defects of combustion device structure and its hypothetical circle of contact, these make a poor primary and secondary wind rigidity in operation and a too big actual circle of contact. in addition, the coal used is extreme prone to burn and reside in boiler. under such a condition, the coal powder ignites earlier in a short time and short distance when it leave the jet - combustioning device, and splashes the water cooler, eventually this results in a burned coal residue in boiler

    針對宏偉熱電廠410t / h燃煤鍋嚴重結渣問題,對燃煤的結渣性、工況及空氣動力工況等進行實驗研究,由於燃燒器結構和假想切圓選擇的缺陷,使得鍋在正常運行時,一、二次風剛性較差,實際切圓過大,加上目前燃用煤質屬于極易燃、易結渣煤質,致使煤粉在離開噴燃器很短的時間、較短的距離內開始著火,並沖刷水冷壁,最終造成結渣。
  13. After the optimizing system is put into operation, online calculating results and operation effect is analyzed, pointing out that the base for the whole boiler soot blow optimization is the minimum loss of soot accumulation and energy consumption of soot blowing, the base for water cooling wall soot blow optimization is the combustion house outlet gas temperature difference, the base for a single heat exchange surface soot blow optimization is the degree of its soot accumulation

    並對優化系統在線運行后,取得的實時計算結果和實際效果進行了分析,著重指出積灰和吹灰的經濟性最佳可作為整個鍋吹灰優化的決策依據,出口煙差可以作為吹灰優化決策的依據,受熱麵灰污程可以作為單個對流受熱面吹灰優化決策的依據。
  14. We select crm without coal as reference ; select semi - dynamic atmosphere to operate machine ; use the method fixing the temperature of hearth and that of sample holders when the analysis begins, which ensures the consistency of heating samples ; adopt the dta curve of " at - t " to analyzing crm heat, which decreases possible influences from the fluctuation of heating velocity ; draw conclusions that crm proportion and granularity influence the analysis little, but not crm moisture and coal species ; advise that there be a warm - up to the crm with much moisture before analysis and a modification to the crm with variable species of coal ; then obtain the feasible operation conditions and operation curve ( together with the curve function )

    選用白生料作標樣;選用準動態測定氣氛;採用恆定爐膛溫度( 650 )和固定支持器初始( 60 )的方法,確保了樣品受熱過程的一致性;採用「 t ? ? t (時間) 」 dta曲線分析生料熱,減少了升速率的微弱變化對測定結果的可能影響;得出生料配比和細對差熱儀測定結果影響小、生料水分和煤品種影響大的結論,並提出對大水分生料測定前要進行預熱處理、對不同品種煤的測定結果要進行修正的建議。最終,得到了差熱儀適宜的工況條件和工作曲線(及方程) 。
  15. In order to predict the variation tendency of fire box temperature accurately, improve production efficiency, this text has proposed using the forecast model of flame temperature in the stove based on bp neural network. discussed the choice of the forecast model ’ s input parameter and date pretreatment technology

    為準確預報爐膛溫度變化趨勢,提高生產效率,本文提出了運用bp神經網路進行火焰預估的模型,討論了預估模型輸入參數的選擇和數據的預處理技術。
  16. For high temperature in the h _ 2s burner chamber and the strict temperature control requirements, the features, functions and operating principles of the infrared high temperature thermometer are highlighted. it is compared to the thermocouple thermometer and practices have proven that the infrared high temperature thermometer features higher temperature measurement precision, longer service life and stable performance, etc

    針對硫化氫焚燒爐膛溫度高及控制的嚴格要求,介紹了紅外高儀的特點、功能及其工作原理,比較了它與熱電偶測的優缺點,實踐證明紅外高儀具有測量精高、使用壽命長、性能穩定等特點。
  17. Using this system, research on nox emission and burnout characters of the test facility are carried out. the results of influence on nox emission and carbon in fly ash by coal type, coal particle diameter, furnace temperature and excess air are reached through tests. then micronized coal reburning tests are processed, which show a remarkable effect results on nox reduction and burnout rate

    通過大量的試驗,得出了煤種、煤粉細爐膛溫度和過量空氣系數等因素對nox排放和煤粉燃燼率的影響趨勢;並在此基礎上研究了超細粉再燃對脫氮效果和燃燼性能的作用,試驗結果表明超細煤粉再燃對降低nox排放和飛灰含碳量具有明顯的效果。
  18. The method of linearizing the temperature field in the space of hearth based on the arithmetic of marching cube is proved to be available within the analytical precision by experiment and testing result. it is valuable to measure and display temperature field in the space of hearth and to put it into practice. it is propitious to observe and control the temperature in the space of hearth efficiently

    實驗檢測表明,這種利用marchingcubes演算法對內空間場進行分段線性化處理的方法,在一定的精范圍內是有效的。內部場的圖像顯示使得對熱處理內部場的分析更簡單、直觀,使我們更有效的對熱處理爐膛溫度進行觀測、控制,從而提高熱處理工件的質量,具有較高的實用價值。
  19. Housing dry steaming, hand over logs, bright carbon fire chamber, 80 degrees high temperature dry steam, minus seven degrees ice aquatic impact is an excellent way to reduce fatigue

    干蒸房,原木香味四溢,明亮的碳火, 80干蒸,零下7冰水沖擊,是減除疲勞的極好辦法。
  20. The method of cell modeling is used for modeling the flow, combustion, heat transfer and pollutants generation process in the furnace of 600mwpulverized coal boiler, the temperature distribution and gas species distribution inside the furnace is got by it

    應用小室模型對600mw燃煤鍋內流動、燃燒、傳熱及污染物排放進行了一維數值模擬研究,得出了和各個不同組分沿的分佈。
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