燃燒著的煤 的英文怎麼說
中文拼音 [ránshāozhāodeméi]
燃燒著的煤
英文
no data-
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With the modernization of industry and the improvement of people ’ s life, the consumption of fossil fuel, such as petroleum and coal, is being increased. because of the equipment and combustion methods, more and more baneful gases are released into the air, which are harmful to people ’ s health and life
隨著工業現代化和人民生活水平的提高,現代社會對石油和煤炭燃料的需求量不斷提高,但由於設備工藝和燃燒方式的落後,有愈來愈多的有害氣體排放到大氣當中,給人民生活和工農業生產帶來日益嚴重的危害。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。This thesis establishes the main factor of heating surface slagging of no. 1 boiler, that it is due to irrational layout of furnace heating surface, improper angle of burner which lead to flames attaching to furnace walls. such deduction is built on the basis of necessity of analyzing the heating surface slagging, the type of coal, the design of the furnace and burner, the operational condition and other factors effecting slagging of boiler. the research is mingled with practical operations of no. 1 boiler in inner mongolia fengtai electric power generation co, ltd
本論文從分析燃煤鍋爐結渣問題必要性出發,從煤種、爐膛及燃燒器設計、運行工況等因素對鍋爐結渣的影響著手,結合內蒙古豐泰發電有限公司~ # 1鍋爐實際運行中存在的問題,確定了~ # 1爐受熱而結渣的主要原因是爐膛受熱面布置不合理,燃燒器角度不合適導致火焰貼壁所致。An arched marble fireplace held its little basket of red flameless heat, and hand-painted coal-scuttle stood on the hearth.
一個半圓形的大理石壁爐燃燒著一小盆沒有火焰的通紅的爐火,爐邊放著一隻用手工塗著繪畫的煤斗。Abstract for the foursquare - distribution direct current firing implement, the distributing evenness of its air quantity and powdered coal quantity is very important to the safe and economical operation of power plant boiler
在電站鍋爐的運行中,對於四角布置的直流燃燒器,其風量和煤粉量分配的均勻性對鍋爐安全和經濟運行有著重要意義。Ln this paper, the flame stability function is anaiyzed, and high concentration puiverized coai theory is researched, which is on the base of the fire and combustion characteristics of the coai
本論文從煤的著火和燃燒特性出發,分析了煤的著火穩燃性能,研究了高濃度煤粉燃燒理論。The research on the pulverized coal flow and combustion in the pulverized coal furnaces is one of the most significant studies of the control of pollution resulting from the coal combustion
煤粉燃燒室內煤粉流動與燃燒的研究對于控制煤燃燒產生的污染問題有著至關重要的意義。After the coke being puted into the coke - quenching device, the lid of the device should be shut at once. while the suction pump, refrigeration compressor, high pressured water circuling pump are started, the subpressure will be produced by the burning coke. then, in the vacuum, the coke will be extinguished in a flash. the burning of the coke instantly, still, produces a large quantity of heat which can be taken away by circulating water in refriger and the interlayer, after that, the temperature will fall to 60oc, even lower. in this condition, the coke will be pushed out to be stored, thus, the coke won ' t rekindle
當焦炭推上攔焦車進入熄焦器后,立即關閉罐蓋,同時啟動真空泵、冷凍機、高壓循環水泵,這時,燃燒著的焦炭就會因真空泵把熄焦器內抽成負壓,由於缺氧,使焦炭熄滅,雖然煤炭在瞬間被熄滅,但由於焦炭生成過程中所產生的大量的熱量還存在,這時,冷凍機和夾層中的循環水的工作就會把焦炭中的熱量帶走,使之在短時間內將溫度降到60以下,在這種狀態下把焦炭從熄焦器內推出入庫,焦炭就不會復燃。An arched marble fire place held its little basket of red flameless heat, and a handpainted coal-scuttle stood on the hearth.
一個半圓形的大理石壁爐燃燒著一盆沒有火焰的通紅的爐火,爐邊放著一隻用手工塗著繪畫的煤斗。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。Practice of application on two boilers in rizhao power plant shows that the adjustment of detection distance not only can solve the problem of somewhat low indicating value for very few flame detectors, but also can save large amount of fuel oil used for stabilizing combustion, having remarkable economic benefit under condition of stable ignition and combustion for pulverized coal and air flow
日照電廠2臺鍋爐的應用實踐表明,在煤粉氣流穩定著火燃燒的情況下,調整火檢的檢測距離不僅可解決個別火檢指示值偏低的問題,而且可節省大量的穩燃油,經濟效益顯著。Coal - char pyrolysis, firing, burnt and limestone calcination under o _ ( 2 ) / n _ ( 2 ) oro _ ( 2 ) / co _ ( 2 ) atmosphere were carried on a thermobalance. limestone calcination and sulfuration under o _ ( 2 ) / co _ ( 2 ) atmosphere were tested on a bench scale fluidized bed facility. the characteristics of coal combustion and pollutant emission under o _ ( 2 ) / n _ ( 2 ) or o _ ( 2 ) / co _ ( 2 ) atmosphere were experimented on a circulating fluidized bed multi - function test - facility
在熱天平上進行o _ 2 / n _ 2氣氛與o _ 2 / co _ 2氣氛下的煤焦熱解、著火與燃燼反應動力學及石灰石煅燒分解特性研究;在小型流化床試驗臺上進行石灰石在o _ 2 / co _ 2氣氛下的煅燒與硫化反應特性研究;在設計、搭建的循環流化床多功能綜合試驗臺上進行o _ 2 / n _ 2氣氛與o _ 2 / co _ 2氣氛下的煤燃燒特性與污染物排放規律研究。On the basis of annlyzing the main domestic cocurrent combustor, we adopted the up and down - shade - technology to reform the combustonafter researching the characteristics of main coal and its affecting factors, i. e., density of coal dust, granularity of coal dust, firing characteristics, alteration of coal, we put forward the scheme of coal ' s configuration and reforming plan about structure of combustor and its disposal type. finally, we make a debugging of cool and hot performance and operation optimizing
因此,本文在分析目前國內主要直流燃燒器性能的基礎上,選用了上下濃淡燃燒技術,改造了燃燒器;通過對現場燃燒的主要煤種特性及煤粉濃度、煤粉細度、著火特性、煤種變動等的分析研究,提出了配煤方案和燃燒器的結構、布置方式改造方案;最後進行了冷、熱態性能與運行優化調試。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燃煤鍋爐嚴重結渣問題,對燃煤的結渣性、爐內溫度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,使得鍋爐在正常運行時,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,最終造成爐膛結渣。Phenomena, such as flow field confusion and slagging etc. have occurred in the practical process of cyclone burner for coal - water slurry ( cws ) firing, on this basis a study on aerodynamic field of cws cyclone burners had been carried out through cold state experiments in the laboratory, then the influence of burner ' s structure properties upon the said flow field had been carried out, and expected to find more reasonable structure of the burner was found. in my study the focus is on the affection of cone and cyclone intensity in the condition of infinite and finite fields
本文著重研究現有水煤漿旋流燃燒器的旋流葉片角度,一次風擴口的長度以及角度對旋流燃燒器出口流場的影響,通過流場的比較,以期得到性能較好的旋流燃燒器。考慮到水煤漿燃燒器中心的水煤漿射流對于其空氣動力場的影響,本文在實驗室冷態實驗研究的基礎上,模擬水煤漿射流,研究其對燃燒器空氣動力場的影響。The result indicates that improvement is helpful to enhance veracit y of calorimeter. when coal combusts in bomb, temperature of measuring system will change. through analysis and comparison graphs of temperature, we can see that they differ from each other with the variation of coal ingredient and there is a flexion in it
通過分析和比較恆溫式氧彈儀測定煤炭發熱量過程中量熱系統溫度變化的曲線,發現量熱系統的溫升曲線普遍存在著一個拐點,這個拐點可以作為煤在過氧條件下著火燃燒方式的判據。Through the experiments we can safely get the conclusion that the cyclone burner cannot only insure the complete combustion of cws, but also can reach the need of environmental protection. in comparison with the cold experiment ( including in the infinite field and finite filed ), numerical simulations were done using k - e standard model
結合實驗結果,本文提供了在不同燃燒環境下,選擇水煤漿旋流燃燒器的各種依據,其既能保證足夠的迴流區和迴流量,使水煤漿能夠穩定的著火燃燒,又能保證有效的避免結渣。They poured water on the live coals before they left the camp.
他們在離開營地之前用水把正在燃燒著的煤撲滅了。 )The burning coals started to flame yellow and orange
燃燒著的煤開始發出了黃色與橙色的火焰分享友人