煤可燃性 的英文怎麼說
中文拼音 [méikěránxìng]
煤可燃性
英文
coal combustibility-
Regaining new stable equilibrium he rose uninjured though concussed by the impact, raised the latch of the area door by the exertion of force at its freely moving flange and by leverage of the first kind applied at its fulcrum gained retarded access to the kitchen through the subadjacent scullery, ignited a lucifer match by friction, set free inflammable coal gas by turning on the ventcock, lit a high flame which, by regulating, he reduced to quiescent candescence and lit finally a portable candle
他重新獲得了穩定均衡，盡管因猛烈撞擊而受震蕩，卻沒有負外傷就站了起來。他使勁扳院門搭扣的那個活動金屬片，憑著加在這一支軸上的初級杠桿的作用，把搭扣摘開，穿過緊挨著廚房地下的碗碟洗滌槽，繞道走進廚房。他擦著了一根安全火柴，轉動煤氣開關，放出可燃性的煤氣。One must be careful not to double - count the possibilities ; the same coal plant can be left unbuilt only once
我們必須謹慎小心，不要重復計算這些可能性；因為少建的燃煤發電廠，只能計算一次。Fortunately, according to the characteristic of fuliginous type of air pollution in our country our government has taken corresponding measures, one of which is to advocate gas boilers
可喜的是我國政府根據我國大氣污染為煤煙性的特點已經採取了相應的措施，其中之一就是提倡燃氣鍋爐。The single - stage hammer crusher are suitable used to crushing ordinary fragile ores of the compressive strength no more than 200mpa, such as limestone, gypsum, coal, marl, sand - shale etc. this series product features of high crushing ratio, even product graininess, simple construction, reliable operation, easily maintenance, economical running cost etc., so are widely used. hammer crusher models hammer crusher max
錘破系經高速轉動的錘體與物料碰撞面破碎物料，錘式破碎機具有結構簡單，破碎比大，生產效率高等特點，錘式破碎機可作干濕兩種形式破碎，錘式破碎機適用於礦山水泥煤炭冶金建材公路燃化等部門對中等硬度及脆性物料進行細碎。Meanwhile in the condition of high temperature, water vapors can participate in combustion. water gas reaction will happen, which will reduce carbon particle in flame, and reform combustion performance, so improve combustion efficiency. the article developed a kind of technology of water injection into intake ports for 4135g diesel engine, meanwhile designed a suit of water injection system
同時在高溫條件下，水蒸汽參與燃燒，部分水分子與未完全燃燒的熾熱的炭粒發生水煤氣反應，形成可燃性氣體，從而減少了火焰中的炭粒，提高了油的燃燒程度，改善了燃燒狀況，提高了油的燃燒效率。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。Solid mineral fuels - hard coal - determination of hardgrove grindability index
固體礦物燃料.硬煤. hardgrove可磨性指數的測定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。The main contents are as follows : based on analyzing several kinds of computing models of the boiler efficiency, performance test code for utility boiler is selected as original version and a new boiler efficiency online computing model is presented, which only needing input the coal industrial analytical components and the main operating monitored parameters of the boiler can online compute the boiler efficiencies
本文的主要工作如下:在分析了幾種鍋爐效率計算模型的基礎上，選擇我國電站鍋爐性能試驗規程作為藍本，提出了一種新的鍋爐效率在線計算模型。該模型只需要輸入鍋爐燃用煤的工業分析成分和鍋爐主要運行監控參數就可以在線計算鍋爐效率。This paper introduces the analysis of feasibility, using effect of the gas & coal mixing combustion replaced coal boiler
摘要介紹燃煤鍋爐改造成煤、氣混燒鍋爐的使用效果和可行性分析。This kind of enterprise, in terms of its specialization, has strong tendency towards the " planning economy ", the competition inside the enterprise is very weak, the capability to withstand the danger is poor, and the level of technology is comparatively low. with the development of the project " western gas exported to the east ", the implementation of the city cleaning energy engineering during the " tenth - five - year plan " of china and the possible change after the entry of wto. the present equipment and technology cannot satisfy the needs of the society, in which the resource of natural gas is increasing fast, and cannot encounter the competition brought by the change of the country ' s policy
城市燃氣企業主要承擔城市燃氣、煤氣、液化石油氣的輸配和供應管理職能，屬于城市公用事業，這類企業由於其行業的特殊性，計劃經濟的色彩比較濃厚，企業核心競爭力不強，抵禦風險的能力比較弱，技術水平比較低，隨著國家"西氣東輸"工程的啟動和"十五"期間城市清潔能源工程的實施以及加入wto后政策面可能發生的變化，燃氣企業現有的裝備技術狀況已無法滿足社會日益增長的對天然氣資源供應的需求，無法對應國家政策變化而帶來的市場競爭，因此，燃氣企業通過技術創新和大規模的項目改造，增強企業競爭力和實力已成其為必然趨勢。Then using kerosene as fuel, oxygen and compressed air as oxidizers, proof - of - principle experiments of pdre were successfully conducted the results show that the measured detonation wave pressures are close to theoretical values it also indicate that using kerosene as the fuel of pdre is feasible
採用航空煤油為燃料，氧氣和壓縮空氣為氧化劑，分別進行了兩相脈沖爆震火箭發動機原理性試驗，所測得的爆震波壓力接近充分發展的理想爆震波壓力，說明採用煤油作為脈沖爆震火箭發動機的燃料是可行的。The rebuild method for boiler body, burning system, oil burning system, chemic water treatment system, circular water system, electricity generated and transported system, coal transported system, dust eliminated system and electric system have been given out. the solid waste, smoke, waste water and the dust prevented method are studied. the benefits for economy, society and environment after rebuilding are analyzed
本文從國際能源發展趨勢及龍鳳熱電廠的目前現狀出發，論述了油改煤工程的必要性和可行性;對油改煤的四種鍋爐轉型方案進行了科學的分析和論證，確定了立式旋風爐改造方案;給出了鍋爐本體、燃燒系統、燃油系統、化學水處理系統、循環水系統、發送電系統、輸煤系統、除灰系統、電氣系統的具體改造方案;研究了固體廢物、煙氣、廢水及煤塵的污染防止措施;分析了改造后經濟效益、社會效益及環境效益。Abstract : during the reduction of iron ore - coal pellet in air, the combustible gas generated from the reduction in pellet is burnt onto the firing surface around the pellet. between the pellet surface and the firing surface, ther e is such mixing gas containing the combudstible gas and burnt gas. it m ay b e sure that the iron ore - coal pellet is no oxidized in the week oxidizing atmos phere. the heat released by combusition on the firing surface is fast tranfered i nto the pellet, and the self - heating reduction of iron ore - coal pellet may occu r
文摘:鐵礦-煤球團在空氣中能夠還原的原因是：從球團排出的可燃性氣體在球面附近的火焰面上燃燒，在火焰面內側是氧化性較弱的可燃性氣體和燃燒產物的混合物，鐵礦-煤球團在弱氧化性氣氛中具有抗氧化性；在火焰面燃燒放出的熱量向球團傳遞，進行自熱還原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。The hf of different chars indicates that decreasing coal particle size and increasing oxygen density lead to increased burn out characteristic of chars. a mathematic model concerns with pyrolysis, combustions of volatile and char, reactions between volatiles and char with nox is developed. the experimental reburn processes have been simulated
利用hf對再燃過程中煤焦燃盡性能的變化規律進行了分析，發現在相同的反應時間內，煤粉越細小、再燃區的過量空氣系數越大，煤焦中殘留的可燃質份額就越少，而且殘留的可燃質越容易燃盡。We will advise the power companies to study the feasibility of replacing their existing coal - fired units at suitable moments
我們會建議電力公司研究在合適時間更新這些燃煤機組的可行性。Solid mineral fuels - determination of combustible sulfur content in coal
固體礦物燃料.煤中可燃性硫含量的測定Severe accidents are still repeatedly seen in domestic made generator sets, even in imported sets. for an coal fired power plant, this problem is still making troubles threatening power plant safety, economics and reliability ; with the increase of generator set capacity, this problem is becoming more and more prominent
爐內嚴重結渣問題仍然在國產機組中屢屢發生，甚至在一些進口機組中也經常出現，燃煤電廠爐內結渣仍然是一個多發性難題，嚴重影響機組運行的安全可靠性和經濟性;而且隨著機組容量的增加，這一問題的嚴重性更加突出。Preliminary discussion on the feasibility for development of low heating - value fuel at bakuanhe coal preparation plant
巴關河選煤廠開發低熱值燃料煤的可行性分享友人