水冷爐壁 的英文怎麼說
中文拼音 [shuǐlěnglúbì]
水冷爐壁
英文
water cooled furnace wall-
Increscent weight of oxidation, graphic and micrographic were explored, meanwhile, the mechanism of anti - erosion and wear - resistant of new coating material are also studied. at last, a program applied to calculate the temperature distribution and heat transmission between water wall tubes with sprayed coatings and metal anti - erosion tile was developed by use of visual basic
文中最後採用vb6語言計算機編程，計算了不同材料塗層對鍋爐水冷壁管的傳熱效果及徑向溫度梯度的影響，同時與加裝了防護瓦和未加任何防護的水冷壁管進行了比較。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。According to fuel and and operation condition in chongqing iron and steel group corporation, many kinds of advanced technologies are adopted, such as closed loop soft water circulation cooling, copper cooling stave, bell - less top with central charging hopper, carbon bricks combined furnace bottom with ceramic cup, russia top burner type hot air stove, duplex preheating of hot air stove, and nut coke charging
摘要根據重鋼高爐的原燃料條件和操作條件，設計了重鋼四高爐擴容性易地大修工程，採用了全軟水密閉循環冷卻、銅冷卻壁、串罐式無料鐘爐頂、炭磚陶瓷杯復合爐缸、俄羅斯「卡魯金」頂燃式熱風爐、熱風爐雙預熱、焦丁入爐等先進技術。With thermal spray technology, the surface of water wall tubes is easily covered by varied high performance coatings. in this paper, several new alloy and cermet coatings applied to water wall tubes were designed and their performance was studied according to the research item of hanchuan power station of hubei province " the study and development on the corrosion - resistant and wear - resistant coatings of water wall tubes in boiler "
採用熱噴塗技術可以方便地在鍋爐管道表面獲得各種高性能的防腐耐磨塗層。本文結合湖北省漢川電廠的研究項目「鍋爐水冷壁管防腐耐磨塗層的開發研究」進行水冷壁管新型合金和金屬陶瓷復合塗層的設計和性能研究。The article takes a 600mw natural cycle drum boiler ( soot blow using steam ) as investigating object, establishes soot accumulation loss and soot blowing energy loss models for its water cooling wall, superheater, economizer and air preheater respectively, set up instructions for soot blower operating. simulating calculation results are compared with site data to verify usefulness of key models. the article introduced the operation optimizing design of soot blowers of yanzhou no2 power plant based on theoretical research
本文以600mw汽包自然循環鍋爐（蒸汽吹灰）為具體分析對象，分別建立其水冷壁、過熱器、省煤器、空預器的積灰損失和各受熱面吹灰能量損失的模型，建立相應的吹灰器運行規則指導，對設計中的關鍵模型問題，通過模擬計算及與現場數據作比較的方法，驗證其可用程度。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。For manufacture water cooling panels, coal - saving devices, reheaters, superheaters and steam pipelines of boilers
用於鍋爐水冷壁、省煤器、再熱器、過熱器和蒸氣管道的製造。This program can predict the wall temperature 、 internal wall heat tranfer coefficient 、 fluid temperature and entropy profile along the water wall. all of these provide an important foundation for designing this type of water wall structure to ensure the safety of the boiler operation. this hydrodynamic calculation program and the results can be used to analyze operation reliability and structure design of water wall system
利用所開發的程序對設計的超臨界cfb進行了計算，給出不同負荷下，水冷壁出口工質溫度分佈，水冷壁受熱面不同位置處的金屬壁溫、內壁放熱系數、流體溫度焓值分佈，以及不同管子的流動壓降等結果，為分析鍋爐工作可靠性及水冷壁系統的結構設計提供了重要依據。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。The water wall tubes were leaked by the high temperature corrosions, which put the boiler units shut down and made the safety and economy operation of the power plants effected severely, which also made the safety generation and dispatch of the all power network effected severely
鍋爐水冷壁高溫腐蝕造成水冷壁管爆漏，迫使鍋爐停機，嚴重影響了電廠運行的安全性和經濟性，對整個電網的安全生產和調度也造成了嚴重的後果。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。Thereby, more and more attentions and researching were given on the problem of the high temperature corrosion of the water wall tubes of the boiler recently
因此，近年來，人們對鍋爐水冷壁高溫腐蝕問題給予了很多關注，不斷的深入研究和解決高溫腐蝕問題。Anti - abrasion technology of water - cooling wall of cfb boiler
循環流化床鍋爐水冷壁防磨技術Analysis on reason of waterwall tube weld leakage of supercritical boiler
超臨界鍋爐水冷壁管焊縫泄漏原因的分析The types and features of water - wall in once - through boilers have been briefly described
摘要簡述了直流鍋爐水冷壁的型式及其特點。Experimental study on frictional flow resistance in water wall tubes of a 600 mw supercritical once - through boiler
直流鍋爐水冷壁管阻力特性的試驗研究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。In the industry of thermal power plants, boiler tubes, especially water wall tubes in enginery of over 300mw, water wall tubes are easily corroded in high temperature and wore by dust when the coal with high content sulphur is used, which made water wall tubes become thin and burst
在火力發電行業中，燃煤鍋爐管特別是300mw及以上機組的水冷壁管在燃用高硫含量煤時，易受到嚴重的高溫腐蝕和飛灰的磨損，使管壁減薄導致爆管事故。The coatings deposited with a new subsonic flame spraying possess high bonding strength, low porosity and is low costly, at the same time, it is applied to the worksite of boiler tubes specially. the coatings applied to water wall tubes were deposited by subsonic flame spraying in this study
本課題採用了一種新型亞音速火焰噴塗技術制備鍋爐水冷壁管道塗層，其塗層不僅結合強度高、孔隙率較低，而且塗層制備的成本低，特別適用於鍋爐水冷壁管的現場噴塗。Superheater, reheater and economizer are the main component of the heat exchangers in boiler. whether they run safely and stably or not is directly count for much the safe of the whole plant operation. and the frequent tube leakage of heat surface impact upon the economy benefits and the society benefits of the power plant
水冷壁管、過熱器管、再熱器管、省煤器管（ 「四管」 ）是鍋爐內部的主要受熱面結構件，它們是否安全穩定的運行直接關繫到整個電廠的安危，頻繁爆漏事故影響了電廠的經濟效益和社會效益。分享友人