爐內的 的英文怎麼說
中文拼音 [lúnèide]
爐內的
英文
internal-
The ends of the tubular furnace are closed to minimize convection currents inside the furnace
把管式爐的前後端蓋緊,是爐內的對流減少到最低限度。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。It firstly analyzes the gasification principle and process of coal in constant pressure moving - bed gas producer and the research on gasification process and control of technical condition proves that it is the most effective way to improve the quality of coal for gasification and quality of hot coal gas, enhance the gasification intensity and gasification efficiency of gas producer
首先,分析了煤在常壓移動床式煤氣發生爐內的氣化原理和工藝過程。對氣化過程工藝條件控制的研究表明,提高氣化用煤的品質,是改善熱煤氣質量,提高煤氣發生爐的氣化強度和氣化效率的最有效途徑,並對氣化用煤的指標,提出了具體的要求。This paper is to take the test model of a 1mw pulverized coal furnaces of four wall - tangentially - fired as the research subject
本文以一臺1mw的四墻切圓煤粉燃燒室為研究對象,對爐內的速度場以及顆粒的運動軌跡進行了計算分析。Abstract : heating curves of billet for heavy rail in reheating furnace are measured by use of dragging coupling methods. effects of fuel consumption, furnace temperature and heating time on billet temperature are studied and current thermal schedule of reheating furnace is evaluated, which provides the basis for optimizing and improving thermal schedule of reheating furnace
文摘:運用拖偶法測量了重軌鋼坯在軌梁加熱爐內的升溫曲線,分析了燃料消耗、爐溫與加熱時間對鋼坯溫度的影響,評價了現行的加熱爐熱工制度,為優化、完善加熱爐熱工制度提供了依據。Precalcinator is the key equipment in cement burning system, especially for the precalcinator burning anthracite, which not only have to guarantee completely burning of anthracite, but also have to benefit for the operation control of the system
摘要分解爐是燒成系統的關鍵設備,尤其是對于燃無煙煤的分解爐,既要保證無煙煤粉在爐內的充分燃燒,又要利於系統的操作控制。These results very close to engineering fact, then analyzed mostly factors : oxygen - coal mole ratio which affect cws gasification process and coal gas component on outlet, also advanced any measures to increase coal gas effective component ( co + h2 ) on outlet
得到了氣化爐內的溫度場、流場、濃度場以及出口粗煤氣成分,其結果與工程實際相比非常接近;並利用得到的結果分析了影響水煤漿氣化過程和出口煤氣成分的主要因素即氧煤比,提出了提高出口煤氣有效成分( co + h2 )的措施。Burning and clinkering properties of black liquor coal water slurry in 0. 25mw furnace
爐內的燃燒和結渣特性So in the thermal calculation of 660mw class w flame boiler of hanfeng power plant, the soviet rules were used. to find the appropriate method of this boiler, various methods were used. through the comparison of the results, some useful suggestions of calculation were given
本文採用k一雙方程模型、隨機軌道模型、雙反應兢爭模型、英國菲爾德模型及網路分析方法對w型火焰鍋爐爐內的流動、燃燒、傳熱進行了數值模擬。Gas analysis is used to optimize the blast furnace process, including reducing the consumption rate of coke and controlling the temperatures inside the furnace ( ref 4 )
氣體分析用於優化高爐過程,包括還原過程中焦炭的消耗速度和爐內的溫度控制。Compared with other general cfd software, the numerical modeling software of combustion process improved by the author of this paper has following features : ( 1 ) it can adjust the corresponding parameters and manipulating methods according to furnace architecture, operational parameters and fuels etc. ; ( 2 ) it can arrange the nodes of grid flexibly and also make special calculation to certain nodes, which cannot be accomplished by the general commercial software ; ( 3 ) in the boundary ( water - cooled wall ) condition processing, the third boundary condition is selected for the temperature calculating, linking the combustion process inside the furnace with the flow and heat exchange of water inside the water - cooled wall, so the heat absorbing and the influence of the water - cooled wall to combustion process and heat transfer of furnace are explicitly explained
與其它通用的cfd軟體相比,經論文作者所改進的燃燒過程數值模擬軟體的特點在於: ( 1 )能夠結合爐子結構、運行參數及燃料等,調整模型中相應的參數及處理方法; ( 2 )可以靈活的安排網格節點,對某些節點進行特殊處理; ( 3 )在邊界(水冷壁)條件的處理上,溫度選用了第三類邊界條件,把爐內燃燒過程和水冷壁內工質的流動和換熱聯系了起來,使得水冷壁內的吸熱情況對爐內的燃燒和結渣的影響充分體現出來。Gas flow in a magnesium reduction furnace was numerically simulated with the comprehensive cfx software, and the effect of the gas flow on heat transfer process in the magnesium reduction furnace was studied
摘要採用cfx軟體對皮江法鎂還原爐內的煙氣流動進行數學建模和模擬計算,研究鎂還原爐內的煙氣流動對爐子傳熱過程的影響情況。Numerical simulation is dominating part of cat, also the core of this paper. in this paper, detailed attention has been paid on the modeling for flow, heat transfer, radiation, nox production and slag - building mechanism in the face - fired boiler and some testify are done on theory by experiments
本文應用數值計算對對沖燃燒鍋爐爐內的流動、傳熱、燃燒過程及氮氧化物( no _ x )的生成過程、爐內的結渣過程作了詳細的數值研究,並盡可能結合實爐試驗,對理論進行驗證。In suzhou, we did the hot experiment of a kind of new cyclone burner and results were fine. the slagging is light ; the combustion efficiency is high
對4t h的鍋爐做了水煤漿燃燒器熱態實驗,測得了爐內的溫度分佈,燃燼方面以及污染物排放等的有關結果。In chapter 5 experiments is made on pulverized coal classifier ( pcc ) with air absorbed from the bottom of it and hope to find a simple and high efficiency method to collect coal. the results show the useful method is to control certain absorbing air quantity and positions. simulation is made on pcc to study the flow field and grain track
最後,本文對電廠的一臺200mw的四角切園的鍋爐應用再燃改造方案后爐內的情況進行了數值計算模擬,研究了四角切圓鍋爐內no _ x的生成規律和再燃技術應用后對no的還原效果,並對鍋爐進行改造后爐內的流場和溫度場進行了計算,為工程應用提供參考。The work is mainly on numerical simulation of dense gas - solid two phase flow and the combustion and pollutant emission processes of circulating fluidized bed and w - shaped furnace applied by power plant
本文主要對高濃度氣固兩相流和電站鍋爐中的循環流化床和w爐內的燃燒和污染物排放過程進行了較為詳細的數值模擬研究。On the base of the study of dense gas - solid flow, we make full - scale numerical simulation on the combustion and pollutant emission processes of the 75t / h circulating fluidized bed ( cfb ) which is developed by our institute. we draw the conclusion on the characteristics of flow field, particle track, temperature profiles and species profiles. we also study the characteristics of coal combustion and nox formation and the interactive influence between them
在對高濃度氣固兩相流動的系統研究基礎上,針對我們熱能所研製開發的75t h循環流化床熱電氣三聯供裝置,首次對于流化床燃燒爐內的燃燒和污染物排放進行了較全面的數值模擬,得出了爐內的流場、顆粒軌跡場、溫度場和組份場,研究了煤粉燃燒特性和氮氧化物的排放特性以及影響它們的因素。They had to remove the ashes from the burner first
他們得先把爐內的灰清除掉。“ shmily ” was written in the dust upon the mantel and traced in the ashes of the fireplace
會被書寫在壁爐臺面的薄塵上,或是勾畫在爐內的灰底上。Ignition kinetic parameters of different property coal in calciner of cement kiln were discussed in this paper
摘要主要針對水泥分解爐內的燃燒工況對不同煤質的煤的著火動力學參數進行了研究。分享友人