結渣煤 的英文怎麼說
中文拼音 [jiēzhāméi]
結渣煤
英文
clinkering coal-
Determination of clinkering property of industrial briquette
工業型煤結渣性測定方法Tests and analyses performed by experts and technical personnels show that, the brown coal used by hongwei power plant is extremly prone to produce reside in the process of power generation. this paper discusses the problem of burning residue in the coal fired boiler 410t / h of hongwei heat & power plant
本文對宏偉熱電廠410t / h燃煤鍋爐的煤灰特性等進行了試驗分析,試驗結果表明,宏偉熱電廠燃用的褐煤是一種有嚴重結渣傾向的煤,運行中極容易結渣。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。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。Mechanism and prevention of slagging in coal - water slurry combustion
水煤漿燃燒過程中的結渣機理與防治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 #油爐改燒水煤漿示範工程,對鍋爐改造后的結渣特性、爐內傳熱特性和污染物的排放特性進行了試驗研究。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Slag and ash deposit on coal - fired boiler in thermal power plant not only decrease the boiler efficiency and the plant economy, but also are hidden trouble of many safety accident. and sootblowing is an effective and common means to account for this problem
電站燃煤鍋爐積灰結渣不僅會降低鍋爐效率、影響經濟性,而且更是多種安全事故的隱患,而採用吹灰器吹灰是解決這一問題最常用最有效的方法。Beginning with the coal ash ingredients and the process of slagging, this paper analyses the effects of the following factors on slagging such as the mineraling redients in coal, the characteristics of boiler design and the operation conditions, and then puts forward the relative preventing measures
摘要從煤灰渣成份及結渣過程入手,分析煤中礦物質成分、鍋爐設計特性及運行工況對結渣的影響,從而提出相應的防止措施。Fe and si were important factors for the fouling and slagging of shenhua coal, and ca, si and fe were prominent factors in the reburning with injected calcium
神華煤中鐵、硅在沾污結渣過程中作用很突出,而噴鈣再燃工況時鈣、硅、鐵對沾污結渣的貢獻最顯著。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Determination of clinkering property of coal
煤的結渣性測定方法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。The slagging problem with coal - fired furnace is very common, which is now a tough problem to ensure boilers to operate safely and economically
煤粉爐結渣問題普遍存在,是目前危機鍋爐安全經濟運行的一大難題。No. 4 boiler in niangziguan plant is main research object, in view of slagging and high - temperature corrosion of boiler, after this problem is analyzed and studied, we put forward the horizontal concweak ellipse cone combustion technology with primary air and secondary air added side secondary air
本文以娘子關電廠4 ~ #爐為研究對象,針對鍋爐結渣和高溫腐蝕問題,通過分析研究,提出一、二次風同心反切加側二次風水平濃淡煤粉橢圓錐燃燒技術。In our country, the quality of coal for utility boiler is low and varying too much, the boiler capacity and efficiency of combustion are reduced by 20 % and 2. 5 % respectively because of slagging
在我國,電站鍋爐燃用煤質較差,且煤質多變,由於結渣而降低出力和熱效率達20和2The 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,國內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,輕則導致鍋爐低負荷運行或停爐清渣,產生巨大經濟損失,重則導致設備損壞,甚至引發人身事故。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。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、噴鈣時爐內沾污結渣特性,採用低熔點神華煤在2 . 11mw四角試驗爐中分別進行無再燃工況、有再燃工況和噴鈣再燃工況試驗。In this paper, a method for the on - line monitoring of fouling and slagging on utility boiler heat surfaces is put forward, and the basic principle of which is stated. on the basis of the method, a suit of on - line monitoring system of fouling and slagging is developed to guide and optimize the process of sootblowing
本文以燃煤機組為研究對象,提出了一套適用於電站煤粉鍋爐的受熱面積灰、結渣監測方法,闡述了監測方法的基本原理,並在此基礎上開發了一套積灰、結渣在線監測系統來指導和優化吹灰過程。分享友人