燒結因素 的英文怎麼說
中文拼音 [shāojiēyīnsù]
燒結因素
英文
agglomerating agent-
As a comparison, ba1. 03ce0. 8gd0. 2o3 - was synthesized by sol - gel method. among these samples, nonstoichiometric samples were synthesized for the first time. the research work involved : the crystal phase of the sinters were determined by xrd ; ionic conduction under different experimental atmospheres was measured by gas concentration cells ; performances of hydrogen - air fuel cells with the sinters as electrolytes and porous pt as electrodes were measured
用粉末x射線衍射儀鑒定它們的結晶相;在( 600 1000 )范圍內,以燒結體作為電解質隔膜,多孔性pt黑為正、負電極, pt - rh合金網為集電極,分別組成氫濃差電池、氧濃差電池及氫?空氣燃料電池並測定了它們的性能,研究了不同氣氛下樣品的離子導電特性及影響燃料電池性能的因素。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。But the grain growth, grain semiconduction and grain boundary insulation were influenced by many factors, such as the type and contents of dopants, sintering temperature and so on. therefore, in this thesis the effect of the restore sintering temperature, the oxygenize temperature, the donor and acceptor dopant on the dielectric and varistor properties of devices were studied. with sem, the microstructure of srtio3 - based double function ceramic was analyzed
而晶粒生長、晶粒半導化和晶界絕緣化受到多種因素的影響,諸如雜質的種類和含量、燒成溫度等,因此本論文研究了還原燒成溫度、中溫氧化溫度、施主和受主摻雜等對srtio _ 3基陶瓷的壓敏和介電性能的影響,並藉助于sem分析對srtio _ 3基雙功能陶瓷的微觀結構進行了分析。The experimentation of cool and hot diagnosis reflected the structure and disposal of combustor, slag bonding and smirch of hearth are the main factors of hearth ' s outlet overheat and output of boiler decline
冷、熱態診斷試驗反映出爐膛結焦、粘污及燃燒器的結構和布置等因素是造成爐膛出口煙溫偏高,鍋爐出力下降的主要因素。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。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。Analyzing the influence factors for the performance of diamond drill bit in hot pressure sintering process of intermediate - frequency furnace
淺析中頻熱壓燒結過程中影響金剛石鉆頭性能的因素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。Avoiding the difficulties of detecting the difficult parameters in furnace control and of building up the models, integrated with fuzzy control and conventional pid control, abb ’ s control it system is used to predict the bloom surface and center temperature directly based on the temperature of furnace wall easily to be detected so that the temperature settings in various furnace sections can be self - corrected, the furnace temperature of each section self - adjusted and on - line parameters of combustion control self - optimized. in addition, the heating parameters and the operating status of the field plant can be monitored with alarm
採用abb公司的controlit控制系統,避開爐子控制中遇到的困難參數檢測及建模困難等因素,直接根據容易檢測的爐壁溫度來推知鋼坯表面溫度及鋼坯中心溫度,將模糊控制技術與常規pid控制相結合,實現各段溫爐設定值自修正、各段爐溫自協調、各參數在線自整定的自尋優最佳燃燒控制;對熱工參數、現場設備的運行情況進行監視、報警,實現爐膛壓力、管道壓力、換熱器的保護控制,並將重要參數送往廠級mis網路。The characteristic of different products at different calcinating temperatures and time, ph value of solution, raw materials were investigated. the results show that perfect spinel li4mn5o12 crystals whose size belongs to nanometer can be obtained from the precursor of lithium manganese oxides after being calcinated. it is founded that calcinating temperature has great influence on the crystal structure of li4mn5o12 and the optimized temperature is 500
結果表明焙燒溫度是影響產物結構性能的最重要的因素,最佳焙燒溫度為500 ,溫度小於200不能形成完整的尖晶石結構,而焙燒溫度超過500產物會發生分解;綜合考慮焙燒時間最佳為8小時;溶液ph值也是影響產物性能的因素之一,實驗證明前驅體合成ph = 9 . 0最佳;另外不同的原料也會影響產物的結構,考察了不同鋰源的影響,選擇li _ 2co _ 3為最佳鋰源。In the alumina process with sintering, the slurry comes out from the grind with low quality because of lots of uncertainty factors and the delay of composition analysis, the qualified raw mix slurry is commonly gained through arranging
摘要由於燒結法氧化鋁配置生料漿過程中不確定性因素多,成分分析滯后,造成生料漿出磨合格率低,一般需經調配使生料漿質量指標符合工藝要求。This paper systematically discussed the fundamental, characteristics, research status and equipment of microwave sintering, and introduced the preparation and development of sintered ndfeb magnets, on the basis of which the effects of the parameters on the heating rate and sintering temperature were investigated. and by means of optical metallurgical analysis, x - ray diffraction analysis and the measurement of density and magnetic properties, the paper compared the properties and technology of ndfeb magnets sintered in microwave magnetic field with that of magnets sintered in conventional heating process
本文系統論述了微波燒結基本原理、特點、研究現狀和燒結設備,介紹了燒結ndfeb制備工藝和發展,在此基礎上研究了微波磁場燒結ndfeb永磁材料過程中各因素對升溫速率、燒結溫度的影響,並通過金相顯微分析、 x射線衍射分析、密度及磁性能測試等手段,將微波磁場燒結的ndfeb磁體與常規燒結的磁體進行了工藝與性能的對比分析。Based on analytical result, evaluation model on gas burning in drill hole is established by using analytic hierarchy process, weight coefficient of risky factors affecting gas burning is determined and hierarchy total taxis are made
結合平頂山十礦戊20160工作面的打鉆情況,對影響鉆孔瓦斯燃燒的危險因素進行了分析,根據分析結果建立了評價層次模型,運用層次分析法確定了影響鉆孔瓦斯燃燒各危險性因素的權重系數,並對權重系數進行了層次總排序。The major factors affecting gas burning in drill hole such as working skills for drill hole, reasonable air, flux coal bed gas content and so on are determined as dominating one from the model, which can provide coal miner or technician with correct suggestion to prevent and control gas burning during drilling in coal mine
計算結果表明:鉆孔施工工藝、合理的配風量、煤層瓦斯含量等是防止鉆孔瓦斯燃燒中優先考慮的影響因素,為煤礦防止及治理鉆孔瓦斯燃燒提供了科學的理論依據。The conclusion obtained from experimental result showed that particle concentration is an important factor on inhibitor ablation
試驗結果表明:粒子聚集濃度是絕熱層燒蝕的重要影響因素。The experimental data has been used to validate pdm and low temperature sintering mechanics. the advantage and disadvantage of pdm have been discussed also. for the first time, the pdm is used to study the low temperature sintering mechanics of uo _ 2, and the research results indicate : 1
3 、基於燒結頸長大速率與緻密化動力學方程得出,影響二氧化鈾低溫燒結的因素有原始粉末粒徑、粉末堆積方式、坯塊原始密度、燒結溫度、燒結時間、燒結氣氛等;粉末壓坯一定時,燒結溫度、燒結時間和燒結氣氛就成為控制低溫燒結的關鍵因素。Abstract : aimed at the accident of chatching fire of a certain type of self - propelled antitank gun s chamber, the paper analyses the normal burning of powder and the efficiency of the gun s extracting device and other factors affecting the burning velocity, makes an improvement on the weapon system, and puts forward the requirements for using the gun under army conditions
文摘:針對某型自行火炮實彈射擊中戰斗室彈藥倉內半可燃藥筒起火燃燒事故,通過對可燃藥筒完全燃燒的理論分析和火炮抽氣裝置結構效率分析以及可能影響藥筒燃燒速度的其他因素分析,提出武器系統及可燃藥筒改進意見,並對部隊條件下的使用提出了要求,對改善裝備性能,預防事故發生具有重要意義。The micromorpholgy and grain boundary microstructure of the material were studied with sem and tem and the grain boundary phase composition were analyzed with eds and x - ray the mechanical properties, micromorpholgy microstructure of grain boundary and phase composition of al2o3 composite ceramics were systematically studied, the effect of additives, the relationship between microstructure and mechanical strength, the sintering mechanism of the material and influence factors of the structure and properties of al2o3 composite ceramics were discussed respectively
系統研究了氧化鋁陶瓷的力學性能、微觀形貌、晶界顯微結構,並討論了各添加組分的作用、材料顯微結構與力學性能的關系以及材料的燒結機理和影響材料結構與性能的影響因素。本論文探討了氧化鋁基復相陶瓷的強韌化機理,實驗表明al _ 2o _ 3 - ticn體系主要是微裂紋韌化。The results showed that sequence and way of feeding, reaction temperature, time of aging, stirring speed and drying and calcinations had remarkable influence on the pore structure
結果表明,加料順序、加料方式、成膠溫度、老化時間、攪拌速率以及乾燥焙燒等因素對孔結構均有明顯影響。This paper presents the experimental results of ignition and combustion of semi - coke particles. in the experiment, the ignition temperature, ignition delay, particle burnout time and temperature career during combustion of semi - coke particles with different sizes are measured. the experimental data of the ignition and combustion process are discussed and analyzed. the comparison between the experimental and the theoretical results are also carried out
實驗研究了半焦粒子著火與燃燒過程,測定了幾種尺寸的半焦粒子在不同環境溫度下的著火溫度、著火滯燃期、燃盡時間和燃燒過程中的粒子溫度等與燃燒過程相關的參數變化,對影響半焦粒子燃燒的因素進行分析討論,並將實驗結果與理論計算結果進行了對比分析,兩者在一定范圍內有較好的一致。分享友人