熱風爐燃燒 的英文怎麼說
中文拼音 [rèfēnglúránshāo]
熱風爐燃燒
英文
on gas- 風 : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
- 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...
- 熱風 : hot blast air; [氣象學] hot wind熱風乾燥 heated air drying; hot air seasoning; 熱風乾燥器 [化學] ...
- 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
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Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing
文摘:應用計算機模擬的方法,在不考慮燃燒的冷態情況下,研究了熱風爐燃燒室內的氣流分佈規律.在此基礎上,比較了2種不同設計方案的氣流流動特徵,尤其是研究了燃燒器空氣通道內阻流板的設置與否對空氣和煤氣的流動和混合的影響.結果表明,阻流板的設計對加強空氣和煤氣的混合有著極為重要的作用,同時也增加了空氣管道的阻力損失,在同樣的工況條件下需要提高管道系統的總壓力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。The top - firing air and gas self - preheating hot blast stove adopts a patented burner and high blast temperature bypass flue
摘要頂燃式空氣、煤氣自身雙預熱熱風爐採用了頂燃式燃燒器熱風爐專利的燃燒器技術和高溫旁通煙道技術。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
本文針對該鍋爐在實際運行中存在的問題:在額定負荷下,爐膛出口超溫、低溫段過熱器前煙溫高達936 ,遠遠超過815的設計值;噴燃器四周水冷壁結焦嚴重,過熱器管壁溫度超標,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、一次風溫、煤種及其濃度變化等許多因素都會偏離鍋爐的設計工況,從而影響爐內的傳熱和燃燒,造成爐膛出口超溫、水冷壁結渣等問題。This utility model publicizes one kind of energy - saving heating stove belonging to heating stove technology, especially involving in a type of hot water energy - efficient heating stove, which mainly composed by the furnace body, the firebox, and the trough for releasing ash. on the furnace body is equipped with the hot water exportation, the cooling water inlet, the chimney, and the mouth for releasing ash. in the furnace body is equipped with the heater pipe, the thermal baffle, the furnace grate and the air throttle. in front part of the furnace body is equipped with the firebox door and the air throttle for entering. in front part of the trough for releasing ash is equipped with door. this energy - saving heating stove overcomes the deficiencies of the existing technology to provide good burn, smoke - free and dustlessness, and not to stop up the chimney and not to produce gas, which extremely suits to the households heating in rural areas
本實用新型公開了一種節能採暖爐,屬于採暖爐技術領域,尤其涉及一種熱水型節能採暖爐,主要由爐體、燃燒室、泄灰槽構成,爐體上設有熱水出口、冷水進口、煙筒、泄灰口,爐體內設有加熱管、隔熱板、爐箅子、內風門,爐體前部設有燃燒室門和進風門,泄灰槽前部設有泄灰槽門,本節能採暖爐克服了現有技術的不足提供了一種燃燒好、無煙無塵,不堵煙筒又沒煤氣的環保型節能採暖爐,非常適合於農村家庭採暖使用。Based on the coal burning mechanism in the precalcinator, by analysing all kinds of effect factors and according to the tga result of the anthracite, sinoma international ncdri developed the on - line spout pipe calciner for 5000 t / d production line of china resource cement ( guigang ) ltd., which composed an excellent - performance precalcining system combined with high - efficiency low - resistance and blockingproof cyclone preheater
基於分解爐煤粉燃燒機理,並通過分析影響爐內煤粉燃燒的各種因素及依據所用無煙煤的熱失重分析結果,中材國際南京水泥設計研究院開發設計出了用於華潤貴港5000t / d工程的噴旋管道式在線分解爐,並與高效、低阻、防堵的旋風預熱系統組成了性能優異的預分解系統。In this thesis, the measuring methods of main combustion parameters of coal burning boiler are analyzed and compared on the basis of the conclusion of relative experiences of both here and abroad. and by integrating relative knowledge of the combustion regulation of coal burning boiler, a set of the on - line monitoring system of the combustion condition of boiler is designed and developed, which is used to measure the important parameters of the burning process of boiler exactly, and is suitable to the tangentially fired furnace boiler
在總結國內外相關經驗的基礎上,本文分析比較了火電廠燃煤鍋爐主要燃燒參數的測量方法,並結合燃煤鍋爐燃燒調整的有關知識,設計開發了一套鍋爐燃燒在線監測系統,用於對鍋爐燃燒過程的重要參數進行實時準確的測量,適用於中間儲倉式、熱風送粉的四角噴燃鍋爐。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。We offer perfectly matched mechanical, pneumatic and electronic system components for atmospheric and forced - air burner - heater units, condensing burners, forced - air burners, gas - fired motors and industrial, heating production processes and combustion systems
我們提供最佳的機械氣動和電子控制系統元件,應用於大氣式和鼓風式燃燒加熱裝置冷凝式鍋爐鼓風式燃燒熱燃氣發動機以及工業產品熱工過程和燃燒系統。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。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。A combustion model has been built and burning process has been simulated by computer in blast furnace stove with ceramic grid - burner
摘要建立了高爐熱風爐燃燒數學模型,應用計算機模擬研究方法對中空柵格陶瓷燃燒器的火焰形態進行了模擬研究。In view of the non - linear, uncertain and complicated characteristics of the combustion system in hot - blast stove, referring to the operating experiences at home and abroad, a fuzzy self - adaptive controller was used for controlling the temperature of the waste gas
摘要針對熱風爐燃燒系統的復雜性、參數的不確定性和非線性,結合國內外的操作經驗,為該系統研製了帶修正因子的自適應模糊控制器。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。Abstract : by using the 3 - d unsteady state heat transfer equation, the heat convection and radiation between the checker and the gas which flows through the checker holes, and the heat conduction among the checker in the chamber of the hot blast stove were studied. the time dependable gas temperature and the temperature distributions within the checker were obtained
文摘:應用三維非穩態熱量傳輸方程,對高爐熱風爐在燃燒過程中蓄熱室內格子磚與氣體之間的對流和輻射傳熱,以及格子磚內部的導熱過程進行了耦合求解.得到了在燃燒期內格子磚及燃燒過程中燃燒廢氣的溫度分佈情況及其隨時間的變化規律After absorbing heat, the temperature rises to rated value and is let out at hot - blast mouth. when the hot - blast temperature reaches to the rated upper limit, the burner will stop to work automatically or turn to small fire. when the hot wind temperature reaches to the rated lower limit, the burner will kindle again or turn to big fire
需加熱的空氣通過選配的鼓風機強行送入熱風爐、吸熱后溫度升至額定值從熱風出口送出、當熱風溫度達到額定的上限溫度時,燃燒器會自動停止燃燒或自動轉為小火陷燃燒,當熱風溫度降低到額定的下限溫度時,燃燒器又會重新點燃運行或轉為大火燃燒,升溫的速度可調進風閥來實現。The research objective is to improve the control system performance through the combination of the advanced control strategy with the meaningful information mined from the history operation database. firstly, a new solution for the control performance enhancement is presented by the reference of the kdd technology. aiming at practical application, a novel boiler load control method, which combines the multiple model adaptive control strategy with the data mining technology, is put forward in this dissertation
本文第一部分為熱工過程式控制制與數據信息採掘,研究的重點是通過先進控制策略的應用以及運行數據中發掘的有用信息,提高現有典型熱工過程式控制制系統的性能,內容包括:首次提出了借鑒數據信息採掘技術的思路和方法,用於完善現有的熱力系統優化控制方案;在此基礎上結合生產實際,提出了運用多模型自適應策略實施鍋爐負荷控制,並利用關聯規則的數據信息採掘方法,通過對燃料發熱量信息的在線診斷,優化控制器結構,同時實現鍋爐燃燒配風的自適應調整,提高負荷、燃燒控制系統性能。The effect of various factors on the theoretical combustion temperature of the stove
各因素對熱風爐理論燃燒溫度的影響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。Centre combustion stove
中心燃燒式熱風爐分享友人