煤的燒結性 的英文怎麼說
中文拼音 [méideshāojiēxìng]
煤的燒結性
英文
agglutinating value of coal-
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。Abstract : basic stuff of sinter flyash ceramisite is flyash and clay as agglomerant. the si nter flyash ceramisite is of dense in structure, low porosity which can improve t he mechanical properties of the material. it has properties such as high strong a nd low absorption of water and better stability. it is a new type ofbuliding mate rial
文摘:燒結型粉煤灰陶粒的主要原料是粉煤灰和作為粘結劑的粘土,文中所述燒結粉煤灰陶粒結構緻密,孔隙率低,能較好地改善了材料的力學性能,具有高強、吸水率低、穩定性好等特點,是一種新型建築材料Based on the coal burning mechanism in the precalcinator, by analysing all kinds of effect factors and according to the tga result of the anthracite, sinoma international ncdri developed the on - line spout pipe calciner for 5000 t / d production line of china resource cement ( guigang ) ltd., which composed an excellent - performance precalcining system combined with high - efficiency low - resistance and blockingproof cyclone preheater
基於分解爐煤粉燃燒機理,並通過分析影響爐內煤粉燃燒的各種因素及依據所用無煙煤的熱失重分析結果,中材國際南京水泥設計研究院開發設計出了用於華潤貴港5000t / d工程的噴旋管道式在線分解爐,並與高效、低阻、防堵的旋風預熱系統組成了性能優異的預分解系統。Study on activation and structure performance of calcined coal gangue
煅燒煤矸石的活性和結構性能研究Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running
本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點,提出多變量協調控制方案,解決了系統可控性差,難以實現穩定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳統模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重,煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題,應用智能控制理論中的模糊控制技術,結合自尋最優控制的思想,設計了一種模糊自尋優控制器,應用在電站鍋爐送風控制系統上,並闡述了動靜態兩種實現途徑,通過在線優化風煤配比,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。After the sample is turned out, its internal and external structures are observed and its bulk density is measured in order to determine how the sintering temperature, the time of thermal preservation, and the quantity of admixture affect the performance of lytag
通過對試樣內、外部結構觀察和容重的測定,研究燒成溫度、保溫時間及外加劑摻量對粉煤灰陶粒性能的影響。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。The convective term is solved by ausm + ( a sequel to ausm which means " the advection upstream splitting method " ). the 7 species 8 steps model and 7 species 7 steps model of hydrogen / air is used in the hydrogen reacting flowfield, the 9 species 5 steps model of methane, the 10 species 10 steps model of ethane and the 10 species 13 steps model of kerosene are used in the hydrocarbon reacting flowfield, the results of the distributions of velocity, mach number, pressure, static temperature, total temperature, species mass fraction and the combustion efficiency are gained, and the numerical results of the pressure of hydrogen and methane are compared with those of the experiment
計算中通量項採用ausm +通量分裂格式,氫反應流場採用氫/空氣的七組元八方程模型和七組元七方程模型,碳氫反應流場採用甲烷的九組元五方程模型、乙烯的十組元十方程模型和煤油的十組元十三方程模型,得出了超燃發動機燃燒室流場的速度、馬赫數、壓力、靜溫、總溫和組元質量分數分佈及燃燒效率等性能參數,其中氫和甲烷的計算壓力分佈與實驗結果進行了比較。Finally, we study on the characteristics of coal combustion and nox formation of w - shaped furnace. it is a newly developed low pollutant emission and high performance combustion technology. we hope our conclusions may be helpful on the design and operation of the w - shaped furnace
最後,對國內外正日益廣泛採用的另一種低污染高效燃燒技術? w爐燃燒的煤粉燃燒特性和污染物排放也進行了較深入的研究,所得到的結論希望可以對w型鍋爐性能的設計、運行有所參考。Having become more and more acid - often a consequence of increased sulphur concentration in the atmosphere stemming from coal fired power plants and other industrial off - gases - the
酸性越來越濃通常是燒煤的發電站和其它工業廢氣使空氣中的硫份濃度不斷增長的結果在這些地區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。The results indicate that the regenerative ladle baking with high temperature air combustion techniquecan speed up ladle heating rate and increase the temperature uniformity of lining
結果表明,採用助燃空氣煤氣雙預熱的蓄熱式燃燒技術能夠有效地提高鋼包的烘烤速度和加熱均勻性;氣體預熱溫度越高,包襯終點溫度越高,溫度均勻性也越好。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。In order to overcome the disadvantages of traditional solid brick, to protect environment and to economize resources, the author first recommended the experimental study of drying and firing of coalstore - shale fired perforated brick. the result assumed the effect of percentage of water content, raw material fineness, temperature and insulation time on property of coalstore - shale perforated or hollow brick
論文首先針對傳統實心磚存在的問題,從環境保護和資源綜合利用出發,以頁巖、煤矸石為原料制磚,通過頁巖、煤矸石制磚中乾燥、焙燒試驗研究,總結了原料化學成份、顆粒粗細程度、乾燥速度、含水率以及焙燒溫度等因素對煤矸石多孔磚、空心磚性能的影響。First research on physics and combustion characteristic of micronized coal is processed in this paper. the results of the change tendency of pulverized coal character with particle diameter are got from particle diameter determining test, hole structure analysis test and tg analysis test, which provide theory element for nox reduction research with micronized coal reburning
本文首先對超細煤粉的物理、燃燒特性進行了試驗研究,通過煤粉細度的測定、孔隙結構的分析以及熱重分析等試驗,得到了煤粉粒徑變化后煤粉特性的變化趨勢,為超細煤粉再燃降低nox排放的試驗研究奠定理論基礎。The structural form, inner pore distribution, and burning behavior of pulverized coal with different particle size have been tested
摘要對不同粒度煤粉的結構形態、內孔分佈和燃燒特性進行了試驗。Therefore, the study deashed coal, in addition to being from minerals except coal physical structure, chemical structure, soluble ion content have undergone significant changes in contrast to the ash from coal combustion or after gasification reactivity, without these changes, concludes the reliability is suspect
因此,在研究煤粉脫灰處理后,除了礦物質被脫除外,煤粉物理結構、化學結構、可溶離子含量都發生了很大變化,在對比脫灰前後煤粉燃燒或氣化反應活性時,如果沒有考慮這些變化,得出結論的可靠性是令人懷疑的。Characters of the pyrolysis chars and residual carbons such as reactivity, turbostratic carbon structure and specific surface area have been examined by thermal gravimetric analysis, powder x - ray diffraction and mercury intrusion methods respectively. catalytic effect of minerals has been identified
高溫下不同煤質焦碳結構趨於一致和礦物質催化作用的失去在一定程度上證明了假定活化能不隨煤質變化的煤焦燃燒反應動力學通用規律的合理性。The circulation fluidized bed combustion technology is a new prospective technology which is acknowledged by the countries both at home and abroad. the coal variety has a wide adaptibility and high rate of combustion
循環流化床燃燒技術是一種新型的國際公認的有前途的燃煤技術,它煤種適應性廣燃盡程度高,負荷調節性能好,結構緊湊,環保效益好。The results show that the change of the components in the coal - bed gas will influence the combustion performance of the prototype engine
模擬模擬的結果表明:煤層氣中甲烷濃度的增加有利於提高發動機的整機性能。煤層氣的組分變化對發動機的燃燒性能有較大影響。分享友人