煤的分等 的英文怎麼說
中文拼音 [méidefēnděng]
煤的分等
英文
coal grading-
The influence of coal characteristic indices such as caloricity, ash content, and water content on the coal handling system is discussed in the aspects of economy and reliability
從經濟性和可靠性角度分析探討了煤的發熱量、灰分、水分等衡量煤質的特性指標對輸煤系統的影響。Under general geological study of exploratory development of coalbed gas and underground gasification of coal bed in eastern depression of liaohe basin, authors apply the basic principle of coal geology and the data of vitrinite reflectance and technical analysis of coal to ascertain that coal classification are dominantely the lignite, long - flame coal and gas coal of coal - bearing upper section of third member of shahejie formation, and then dissertate the variational regularity between coal rank and buried depth in vertical and otherness of vertical limit of coal rank in different coal - rich regions
摘要運用煤田地質學基本理論和煤的鏡質組反射率值及工業分析等有關數據,確定了遼河盆地東部凹陷古近系沙三段含煤亞段的煤種主要為褐煤、長焰煤和氣煤;進而闡述了該煤段垂向上煤級與埋深的變化規律性、不同賦煤區各煤級垂向界限的差異性。The major mineral resources are coal, iron, copper, magnesiu, rare earth, clay, lime stone, marble, and granite, 48 in all. the reserve of magnesium ranks the first in the province, that of lime the fourth, that of coal the third
梅州礦產資源主要有煤、鐵、銅、錳、稀土、瓷土、石灰石、大理石、花崗巖等48個礦種,其中錳礦儲量居全省第一位,石灰石、鐵礦儲量居全省第四位,煤的儲量佔全省的三分之一。According to sedimentary characteristics of the carboniferous taiyuan formation in feicheng coal field, including lithology, size distribution, sedimenta ry structure, geochemistry and paleontology etc., the carboniferous paleoenvironme nt of this area is divided into carbonate open platform and tidal flat environme nt. it is recognized that the taiyuan formation is formed in the epicontinental c oast which is dominated by the tidal. the peat flat is the important paleoenviron ment for coal accumulation. the tidal channel destroys the coal bed. the pulsative vibration of the crust is the major factor which controls the evolution of the sedimentary environment and the coal accumulation
根據肥城煤田石炭系太原組的巖性、粒度分佈、沉積構造、地球化學及古生物等沉積特徵,將該區晚石炭世古地理劃分為碳酸鹽開闊臺地和潮坪環境,認為太原組形成於潮汐作用為主的陸表海海岸,泥炭坪是成煤的重要古地理環境,潮渠對煤層有一定的破壞作用,地殼的脈動性振蕩作用是控制沉積環境演化和聚煤作用的主要因素。Abstract : according to sedimentary characteristics of the carboniferous taiyuan formation in feicheng coal field, including lithology, size distribution, sedimenta ry structure, geochemistry and paleontology etc., the carboniferous paleoenvironme nt of this area is divided into carbonate open platform and tidal flat environme nt. it is recognized that the taiyuan formation is formed in the epicontinental c oast which is dominated by the tidal. the peat flat is the important paleoenviron ment for coal accumulation. the tidal channel destroys the coal bed. the pulsative vibration of the crust is the major factor which controls the evolution of the sedimentary environment and the coal accumulation
文摘:根據肥城煤田石炭系太原組的巖性、粒度分佈、沉積構造、地球化學及古生物等沉積特徵,將該區晚石炭世古地理劃分為碳酸鹽開闊臺地和潮坪環境,認為太原組形成於潮汐作用為主的陸表海海岸,泥炭坪是成煤的重要古地理環境,潮渠對煤層有一定的破壞作用,地殼的脈動性振蕩作用是控制沉積環境演化和聚煤作用的主要因素。Based on in - situ investigation and laboratory experiments, the article analyzed in detail the factors which affect the transportation and strength characteristics of gangue cemented tailing grain fillings such as powder coal, water - reducer, mortar density and grain size distribution
摘要以現場調查和室內實驗為基礎,從粉煤灰、減水劑、漿體濃度、粒級級配等方面,對煤矸石作為膠結充填骨料的管道輸送特性和強度特性進行了詳細的分析。The technical measures for deep reducing coal moisture were urgent needed due to china devoting major effort to implement the new and high technologies used for coal liquefaction and preparation high purity coal. through the analyses of current situation of technical level for coal drying and dewatering, the paper suggests to take overheat steam produced from power plant as a heat source, use the disk dryer to deeply reduce coal moisture with simple working process and low production cost
本文針對我國人力實施煤炭液化和超純煤制備等高新技術,迫切需要將煤中水分深度脫除的技術手段,通過對我國煤炭乾燥脫水技術現狀與水平的分析,提出以電廠過熱蒸汽為熱源,利用盤式乾燥機,以簡捷的乾燥工藝、低的乾燥成本,深度脫除煤中所含水分的技術方案。Through analyzing on the different phenomena of gas pouring amount at different coal seam, different area at the same seam, different position at the same area, the coal thicknss, inclined angle, structure, roof and floor rock character and water content in coal est. geology factor are regarded as the main reason of effecting the gas pouring amount
通過對不同煤層,同一煤層不同區域,同一區域不同地點瓦斯湧出量有很大差異現象的分析,認為煤層厚度、傾角、構造、頂底板巖性、煤中水分等地質因素是影響瓦斯湧出大小的主要原因。For avoiding the occurrence of explosion - related accidents, the author presents an introduction to the safety regulations that should be observed. these includes the check of gas concentration before charge and initiation and after blasting, the adoption of interlocked blasting system, indirect blasting, initiation by stages at coal and beading faces, use of water stemming, shallow - hole balsting, blasting earning and safety distance
為了防止在井下爆破中引起事故,對一炮三檢制和聯鎖爆破制,反向爆破作業,採煤、掘進工作面的分次起爆作業,水炮泥的使用,淺眼爆破作業,爆破警戒和爆破安全距離等安全規定進行介紹和分析。Hence, the leather belt carrys the rightful selection of control mode, immediately affect entirely to be beaten the coal measures secure operation together
皮帶運輸機在火力發電廠輸煤系統中,承擔了全廠來煤的運輸、提升、分配等工作,是輸煤系統的主要設備。A good many case of approaching excavation are studied in this article, such as the study of infection of be coal mining to the huayingshan tunnel, technology study of strucked tunnels of metro in shenzhen, countermeasure study of tunnel approaching pile foundation of metro in guangzhou, excavation methods optimized of large cross section subaqueous tunnel approaching pile foundation of lrt in chongqing, etc. on the basic of analysing and concluding relative study production all over the the world by the numbers, classification of approaching excavation, partition of approach zone, formula of partition of approaching zone, approach degree and countermeasure grade of generalized approaching excavation of underground works are put forward. general methods studying and trea
本文結合作者多年來對華鎣山隧道減少壓煤量研究、深圳地鐵重疊隧道第11頁西南交通大學博士研究主學位論文技術研究、廣州地鐵公紀區間廣紡聯段鄰樁施工對策研究和重慶輕軌大坪大斷面車站鄰近基礎淺埋暗挖工法優化分析等諸多近接施工問題案例的研究,在系統分析和歸納總結國內外相關研究成果的基礎上,系統地提出了廣義的地下工程近接施工的分類、分區、分區指標表達式、近接度與對策等級概念以及分區、分度準則,給出了研究和解決近接施工問題的普遍方法,如數值分析先行,模型試驗、現場測試驗證等。Diagrams for example coal consumption and thermal efficiency in the light of online calculation presented by a software about boiler economic performance optimization developed with the tools visual c + + give you quick analysis and visualized judgment for boiler under different working conditions
( 3 )用visualc + +開發工具對鍋爐經濟性能優化軟體進行了開發。根據現場運行提供的數據,通過計算,圖表顯示煤耗、鍋爐效率等參數的特性曲線;快速直觀的分析、判斷不同運行工況下鍋爐的可靠性與經濟性。In chapter four, on the basis of taking up a great amount of first hand information, the article for the first time puts forward original degree of concentration index numerical value ( 1990 - 2001 ) of china coal industrial market and has engaged more objective analysis and appraisal in relation to so such sensitive problems as influence factor, market structure positioning, especially the orientation of industry policy and enterprise restructure and expansion and has figured out the core content of the article
同時,在佔有大量一手資料的基礎上,第一次公開推出原創性的中國煤炭產業市場集中度指標數值( 1990 - 2001年) ,並對其影響因素、市場結構定位,尤其是產業政策取向和企業重組擴張等敏感性問題進行了較為客觀的分析和評價,構造出本論文的核心內容。作為最大的發展中國家,中國歷經10餘年的煤炭市場化實踐,出現了許多值得認真研究並需合理解釋的現實問題。In chapter 2, an economic concept - location quotients ( lq ) is introduced into the mathematical part of this article, in order to isolate what a city does well, and to find which of its industries export to the rest of the nation. author manipulates last five years " lq from data on farming, forestry, animal husbandry, coal, rude oil, tourism, export and import, population and etc, argues that we could know weather there is a larger than normal concentration of activity in the region, and weather there is a trend of regular develop trace of this activity by running a time series simple autoregression, which provides a feasible analysis tool for people to judge and choose an advantageous industry within this region
第二章,採用區位商的方式和賦予的經濟意義,通過計算,比較了過去5年中甘肅、寧夏兩省區在農業、林業、畜牧業、漁業、煤炭、原油、旅遊、進出口、人口等與資源產業密切相關的行業的區位商,並提出通過對所獲得的區位商數據建立有序的單變量時間序列回歸模型,可以獲知某項資源產業是否在該省具有明顯的優勢的計量方法,為判斷並選擇區域性的優勢產業提供了一種可行的分析工具。Abstract : by means of analysing the difference of fuel feature of organic solid wastes and coal , this paper discusses low pollution , low corrosion and high efficiency technology of organic solid waste incineration from several factors including controls of technology , temperature , residence time, air ratio and the use of the additives and flue gas
文摘:通過分析固體有機廢物與煤的燃料特性的不同及其對燃燒的影響,從工藝控制,溫度控制,停留時間選擇,送風控制,添加劑以及煙氣循環使用等方面探討低污染、低腐蝕、高效固體有機廢物的焚燒技術。Theastm rankings for bituminous coal, sub - bituminous coal, or lignite fit the spreader combustion process well
美中試驗材料協會根據煤在燃燒時的性能把煤分為煙煤,次煙煤,褐煤幾個等級。Methods for analysis and testing of coal and coke - size analysis of coke - nominal top size 20 mm or less
煤和焦碳的分析和試驗方法.第110部分:焦碳尺寸分析.第2節:最大標稱尺寸等於或小於20mmThree schemes for this technology were given, including air - blown gasification, recycle gas - blown gasification and steam & recycle gas - blown gasification, which were computed and analyzed. due to different conversion ratio of coal and different temperature that gas enters into gas turbine, the different results were got and analyzed, such as gas heat value, gasification efficiency and generation efficiency
本文針對空氣氣化方案、再循環煤氣氣化方案以及水蒸汽+再循環煤氣氣化方案對煤部分氣化聯合循環發電系統進行計算分析,根據不同的碳轉化率以及煤氣進入燃氣輪機前不同的溫度,得出不同的煤氣熱值、氣化效率、發電效率等,並進行了分析,提出了適合不同目標工業應用的煤部分氣化方案。The paper analyses the transportation flows of main five kinds of cargoes in coast and inland water systems. the distributing characteristic of sources influences the transportation flows of cargoes in deeply degree, so firstly, the paper introduces the sources distributing characteristic of coal, mineral building material, petroleum, metalores and nonmetal ores
資源的分佈特徵在很大程度上決定著我國大宗貨物的運輸流向,論文論述了煤炭、金屬礦石資源在我國的分佈狀況以及石油工業的基本布局,分析了煤炭、石油、金屬礦石和礦建材料以及非金屬礦石等大宗貨物在沿海、珠江水系和長江水系運輸的主要流向。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。分享友人