膛壁 的英文怎麼說

中文拼音 [tángbì]
膛壁 英文
bore surface
  • 膛 : 名詞1. （胸腔） chest; thorax 2. （器物的中空部分） inside cavity; chamber
  • 壁 : 名詞1 （墻） wall （of a house etc ） : 銅墻鐵壁 bastion of iron2 （作用像圍墻的部分） wall of st...
  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。
  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。
  3. 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，避開爐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爐壁溫度來推知鋼坯表面溫度及鋼坯中心溫度，將模糊控制技術與常規pid控制相結合，實現各段溫爐設定值自修正、各段爐溫自協調、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，實現爐膛壓力、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。
  4. 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 %

    摘要通過對加熱爐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溫度等參數的測定，確定將管式加熱爐爐膛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，極好地改善爐膛內的燃燒狀況和對流輻射傳熱效果，從而降低排煙溫度45 ，減少加熱爐排煙損失，節約了煤氣量6 %以上。
  5. 3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant

    對鍋爐本體進行了燃料燃燒計算、爐膛結構熱力計算、對流受熱面結構熱力計算、鍋爐給水加熱器結構參數設計、煙道阻力計算及鍋爐元件強度校核等；改進了水冷壁布置使換熱效果更好，減少輻射換熱損失；改進對流段結構，更充分的利用爐膛出口煙氣余熱，提高熱效率；並且進行了煙氣阻力計算、熱效率計算和能量平衡測試，對改進后的稠油燃料和改進前進行了對比，燃燒狀況和熱效率有明顯改善。
  6. 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爐燃燒器的改造方案，並進行了現場改造，改造后實際運行狀況表明：在無法改變爐膛結構的情況下，改變燃燒器角度，縮小切圓直徑，使火焰不貼壁，改善了爐內燃燒工況，同時降低了鍋爐結渣的程度，為機組的安全經濟運行奠定了必要的技術基礎。
  7. There was a low protecting wall to knock down the heat blast from the pit of the furnace

    有一堵低矮的護壁擋住從爐膛里噴出的熱浪。
  8. The study of an indirect method measuring inside - wall temperature of gun tube

    膛內壁溫度間接測量方法研究
  9. And it is calculated and analyzed the distribution and quantity of slag thermal stress created by boiler load shift. thermal stress quantity can be as big as e / 1000 and is enough to destroy slag structure and to make some drop. it is also concluded that the walltube parameters can only affect on thermal stress of the slag that is near to contact surface and contribute little to slag drop

    針對鍋爐變負荷運行時爐膛的自然掉渣現象，分析鍋爐水冷壁渣層中熱應力的產生機理，建立了水冷壁渣層熱應力的計算模型，計算分析了鍋爐大范圍變負荷運行產生的渣層熱應力變化大小和分佈，並分析渣層熱應力的影響因素。
  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。
  11. The outer surface temperature of barrel can be efficiently cooled down by adopting the outside cooling fluid method in a rapid - fire gun, but its effect on reducing barrel inner peak temperature and prolonging the life is limited

    （ 2 ）對于速射火炮，外液冷方式可以有效降低身管外壁的溫度，但對于身管內膛溫度的降低和壽命的提高作用有限。
  12. 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

    鍋爐降負荷運行有一定程度清潔爐膛水冷壁作用，能增強爐內傳熱，卻無法防止爐膛內結渣惡化發生嚴重事故。
  13. Combined the real testing data, the paper developed a calculation program of water wall temperature and pressure drop for designed supercritical pressure cfb boiler with vertical water walls. the hydrodynamic calculation and safety checkout under five loads was carried out

    結合實際運行的循環流化床鍋爐的熱態測試數據，開發了垂直水冷壁壁溫及水動力計算程序，根據爐膛熱負荷分佈規律，建立了膜式水冷壁熱流密度分佈函數。
  14. 2. in order to meet the real - time simulation and guarantee specified ratio of precision, this paper had simplified and supposed some thermal process in module and use the lumped parameter way to model. for some special components, such as furnace cavity or water screen, had been reached good ratio of precision of simulation by divided into three parts ( upper area, intermediate area and lower area ) to model separately because of the huge difference of heat loading in vertical direction

    2 、為滿足實時模擬的要求而同時要保證有一定模擬精度，本文對模型做出了一定的假設和簡化，並且主要採用集總參數法進行建模，對於一些特殊部件，比如爐膛和水冷壁，由於其豎直方向熱負荷差異較大，本文將其分為上、中、下三個區域，分別採用集總參數建模，達到比較好的模擬精度。
  15. Carton, said his friend, squaring himself at him with a bullying air, as if the fire - grate had been the furnace in which sustained endeavour was forged, and the one delicate thing to be done for the old sydney carton of old shrewsbury school was to shoulder him into it, your way is, and always was, a lame way

    「卡爾頓， 」他的朋友說，說時胸膛一挺，做出一副咄咄逼人的姿態，彷彿壁爐是煅造堅毅頑強性格的熔爐，而能為老什魯斯伯雷學校的老西德尼.卡爾頓服務的唯一妙法便是把他推進熔爐里去。
  16. At present the phenomenon that high temperature corrosion of water wall and gas temperature deviation of shandong power plant is ubiquity. it brings the great harm to safety and economical operation of boiler

    目前，山東省大機組普遍存在著爐膛出口煙溫偏差和水冷壁煙側高溫腐蝕現象，給鍋爐的安全、經濟運行帶來很大危害。
  17. But the paper set out form the lab, the conditions of the temperature of the water wall tubes and the ambience of the furnace is imitated in lab, the material of sample is adopted by the steel of the water wall tubes of the boiler, which made the test conditions approach to the fact work conditions of the water wall tubes of the boiler and made the imitation accurate

    本文則從實驗室出發，在實驗室模仿鍋爐水冷壁的溫度條件和爐膛氣氛條件，採用鍋爐水冷壁用鋼（ 20g ）作為試樣材質，盡可能接近鍋爐水冷壁的實際工作條件以達到模仿的效果。
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