爐內結渣 的英文怎麼說

中文拼音 [nèijiēzhā]
爐內結渣 英文
ash erosion
  • : 名詞1. (內部; 里頭; 里邊) inner; inside; within 2. (妻子或妻子的親屬) one's wife or her relatives 3. (姓氏) a surname
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : 名詞1 (渣滓) dregs; residue; sediment:煤渣coal cinder; 殘渣 dregs; 豆腐渣 soya bean residue; 豬...
  1. 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問題必要性出發,從煤種、膛及燃燒器設計、運行工況等因素對鍋的影響著手,蒙古豐泰發電有限公司~ # 1鍋實際運行中存在的問題,確定了~ # 1受熱而的主要原因是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。
  2. 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,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,燃燒器的構、布置,水冷壁的粘污、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的設計工況,從而影響的傳熱和燃燒,造成膛出口超溫、水冷壁等問題。
  3. Coal - water slurry is a new type of clean fuel as a replacement for oil. this paper introduces the tests of maoming no. 2 oil - fired 220 t / h utility boiler being retrofitted to fire coal - water slurry, including slagging tendency, heat transfer performances and pollutant emissions. firstly the k - ? two - equation turbulence model is used in numerical simulation for the side - air burner, compared with the practical measures and tests, good accordance achives

    水煤漿是一種低污染、高效率、流動性強的代油新型清潔燃料,本文針對廣東省茂名熱電廠2 #油改燒水煤漿示範工程,對鍋改造后的特性、傳熱特性和污染物的排放特性進行了試驗研究。
  4. The reform scheme of no. 1 boiler in fengtai company is confirmed on the basis of cold / hot tests, theoretical discussions and calculations. in the process of field retrofit, it is indicated in the operation of the improved furnace that without the change of furnace structure, the transform of the burner angle has shrunk the tangential diameter and prevented flames burning on furnace walls, and the burning state of furnace has been bettered, simultaneously, lowering the slagging wi in furnace, thus laying sol id foundation for the safe and economic operation of generating units. wuyanrong ( power plant thermal power engineering ) directed by prof

    本論文通過冷、熱態試驗,經過論證和計算,確定了豐泰公司~ # 1燃燒器的改造方案,並進行了現場改造,改造后實際運行狀況表明:在無法改變構的情況下,改變燃燒器角度,縮小切圓直徑,使火焰不貼壁,改善了燃燒工況,同時降低了鍋的程度,為機組的安全經濟運行奠定了必要的技術基礎。
  5. Research on numerical test for solving slagging problem in furnace by using coal powder burner with guide - plate

    導流板式煤粉燃燒器解決爐內結渣的數值試驗
  6. Since its complexity of the problem, this problem has not been solved effectively so far

    由於爐內結渣問題的復雜性,這一問題到目前為止尚未獲得完全解決。
  7. 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溫度場試驗」 、 「生物質成型燃料燃燒設備氣體濃度場試驗」 、 「生物質成型燃料燃燒設備特性試驗」 、 「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、溫度場、濃度場、性能、主要設計參數變化規律。
  8. Research on the dynamic characteristic of ash deposition in boilers burning coal and coal water slurry

    煤和水煤漿爐內結渣積灰動態特性的研究
  9. Burning and clinkering properties of black liquor coal water slurry in 0. 25mw furnace

    的燃燒和特性
  10. 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燃煤鍋嚴重問題,對燃煤的性、溫度工況及空氣動力工況等進行實驗研究,由於燃燒器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、易煤質,致使煤粉在離開噴燃器很短的時間、較短的距離開始著火,並沖刷水冷壁,最終造成
  11. And the conclusion is that downing load can distory the small slag and outer part of thick slag, which is helpful to keep walltube clean and useless for preventing from furnace accident caused by slag

    降負荷運行有一定程度清潔膛水冷壁作用,能增強傳熱,卻無法防止惡化發生嚴重事故。
  12. The problem of coal fired boiler burning residue is common in many power plants. it is also unsolved critical problem for safe, economical and stable operation of power plants. during the last decades, this problem caused countless accidents in domestic power plants, they resulted in equipment damages, personal injuries or death, and even enomorous econoimic lose

    幾十年來,國燃煤電廠由於爐內結渣引起的各種設備、人身事故不計其數,輕則導致鍋低負荷運行或停,產生巨大經濟損失,重則導致設備損壞,甚至引發人身事故。
  13. 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,把燃燒過程和水冷壁工質的流動和換熱聯系了起來,使得水冷壁的吸熱情況對的燃燒和的影響充分體現出來。
  14. Some tests for liangang sinter adding bos slag have be done in the laboratory and plant trial. the results show that in the range of bos slag percentage, from 0 % to 8 %, with the increase of bos slag percentage, the sinter speed has been lower, but the sinter strength and productivity of sinter product have been higher, the sinter productivity will be the maximum when bos slag percentage is 4 % ; the siner reducibility has been improved, the normal operation of bof will not be effected anymore because of the circulation of p form bos slag

    對燒礦配加轉進行了實驗室研究和工業試驗,在鋼配比0 % 8 %的范圍進行的研究表明:隨著鋼配比的增加,燒速度稍有下降,燒礦強度、燒成品率均有所提高,利用系數在4 %左右時達到最大值;燒礦還原性得到改善;鋼中帶入的p的循環富集不會影響煉鋼的現行操作。
  15. 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的流動、傳熱、燃燒過程及氮氧化物( no _ x )的生成過程、過程作了詳細的數值研究,並盡可能合實試驗,對理論進行驗證。
  16. Shenhua coal was burned in the conditions of no reburning, reburning and reburning with injected calcium in 2. 11 mw boiler with four cornered combustor to study the fouling and slagging characteristics with coal reburning and injected calcium

    摘要為了研究再燃、噴鈣時沾污特性,採用低熔點神華煤在2 . 11mw四角試驗中分別進行無再燃工況、有再燃工況和噴鈣再燃工況試驗。
  17. On the basis on these study results, we suggested some technical measures to reduce the coal residue in boiler to ensure a safe and economic operation of the generator set

    根據這些原因,有針對性地制定了防止和減輕爐內結渣的技術措施,以確保機組安全經濟運行。
  18. Macroscopical phenomenon description, scanning electron microscope ( sem ) analysis, electronic probe and x ray diffraction ( xrd ) analysis were used to analyze the phenomena of fouling and slagging in the main combustion zone, reburning zone and burned zone, with emphasis on the difference and its reason in reburning zone

    通過宏觀現象描述、微觀掃描電鏡( sem )分析、電子探針和x射線衍射儀( xrd )物相分析,對主燃區、再燃區和燃盡區沾污狀況進行研究,重點分析再燃區的沾污差異及原因。
  19. Severe accidents are still repeatedly seen in domestic made generator sets, even in imported sets. for an coal fired power plant, this problem is still making troubles threatening power plant safety, economics and reliability ; with the increase of generator set capacity, this problem is becoming more and more prominent

    嚴重問題仍然在國產機組中屢屢發生,甚至在一些進口機組中也經常出現,燃煤電廠爐內結渣仍然是一個多發性難題,嚴重影響機組運行的安全可靠性和經濟性;而且隨著機組容量的增加,這一問題的嚴重性更加突出。
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