爐氣成分 的英文怎麼說
中文拼音 [lúqìchéngfēn]
爐氣成分
英文
composition of fumes-
The control system of furnace " s temperature has been widely used in every walk of life, as an important link of repair and manufacture of the electrical equipment such as electromotor transformer etc., soaking lacquer drying craft has some especial requests on drying crafto this article starts with the analysis of drying chamber " s configuration, analyzed its configuration limitation and control function limitation according to the factory " s situation and advances the conception of heated air drying circulation, in addition, this article adopts an intellectualize a / d module, a development sampling tuning - voltage circuit, and presents the method to measure online the insulation resistance of products in order to improve constantly products quality
而浸漆乾燥工藝作為電機、變壓器等電氣設備的修理、製造中的重要環節之一，對乾燥過程的質量要求有一定的特殊性。該文從乾燥爐的結構分析入手，聯繫到工廠的實際情況分析了結構功能缺陷和控制功能缺陷，提出了熱風循環乾燥的概念，同時，選擇了較為先進的a d板卡、熱電阻信號調理板等專業化智能卡，運用數字pid控制技術，構成了一個較有特色的計算機控制系統。此外，該文還從保證乾燥品質量的角度，採用智能化交流模塊和自製采樣調壓電路的方法，提出了在線檢測產修品的絕緣電阻的方法和手段，以確保企業產品質量不斷提高。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。Abstract : the distribution of cooling air which is in the grille - brick of the inner combustion hot air stove has been simulated with three dimension turbulent mathematical model so as to find a method which is used to improve the distribution of cooling air in hot air stove. the influence of differential horizontal plates on the distribution of cooling air is discussed. the results show that original big circle round field of flow in the pillar - cavity is changed into full one - way field of flow and edges gas flow, at the same time, is increased by horizontal plates. there is a different function with horizontal plates and vertical plates. to make the uniform distribution of cooling air in the hot air stove, it is necessary that horizontal plates and vertical plates are used in a combined way
文摘:應用紊流三維數學模型模擬內燃式熱風爐內冷風在格子磚柱中的分佈，尋求改善其分佈的途徑.討論了加設不同布置的水平導流板對氣流分佈的影響.模擬結果表明，在支柱空腔內加設水平導流板改變了原有大迴旋流場，使迴旋流變成大面積的單向流.通過在支柱空腔內加設水平導流板可以發展邊緣氣流，這恰好與加設豎直導流板的作用相反，水平導流板和豎直導流板的結合使用有望實現冷風在格子磚柱中的均勻分佈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。There is a chemical reserve zone in the stack. in this zone the fe is present as feo, and the gas component is close to the balance composition of fe0. 947o / fe. so there is a part of longitudinal section, in which : l ) gas keeps its component, as ascending. 2 ) the composition of the gas is close to the equilibrium composition of the fe0 947o + co - " 0. 947fe + co2 under the temperature of the thermal reserve zone of about 1200 + 100k
根據冶煉理論，高爐在爐身一定高度上有一個「化學貯備區」 ，在該區，含鐵物料實際上都是浮氏體，並且煤氣成分接近fe _ （ 0 . 947 ） o fe平衡時的成分，這樣，高爐內存在高爐熱控制模型開發一個縱向區域，在該區內：二）煤氣上升時，成分不變。The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine
用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌：用xrd進行原料物相分析，及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度；用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性；用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化；用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試；採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定；用萊次偏光顯微鏡（ pm ）測試固體潤滑劑的硬度；用材料試驗機測試固體潤滑劑的抗壓強度等。The equilibrium working temperature of the gasifier and the composition of the outlet syngas ( short for synthesis gas ) at this temperature were calculated by solving the chemical equilibrium and the energy equilibrium equations. the analysis was used to study the effect of gasifying agent mixture ratio on the outlet syngas composition, the cold gas efficiency, the thermal efficiency and the exergy efficiency. the optimum o2 / coal ratio was found for a reasonable vapor / coal ratio ( the vapor / coal ratio had little effect on the efficiencies ) for various kinds of coal to maximum the thermal efficiency and the exergy efficiency
通過化學平衡和熱量平衡方法求解氣化爐平衡工作溫度以及該溫度下的出口煤氣成分，研究了氣化爐進口氣化劑配比對出口煤氣成分、冷煤氣效率、熱效率及火用效率的影響，指出熱效率、火用效率最優情況下適應于各煤種的最優氧煤比以及合理的水蒸汽耗量，為多聯產系統的設計優化提供參考。This equipment mainly consists of s mobile press, three vacuum heating - furnaces, hydraulic press system, hydrocooling system, electrical control system and data collecting / outputting system
該設備由一臺移動式壓機、三臺真空加熱爐、液壓壓下控制系統、水冷系統以及相應的電氣控制和數據存儲輸出等幾部分組成。By virtue of the experiments carried out on the modified pilot - scale biomass gasification system, the temperature field in the gasifier is made explicit. and also some principles about how the temperature, feedstock and extraction mode exert influences on heat value and production rate of gas are attained. in addition, some tentative tests of tar cracking and thermodynamic characteristics of biomass gas burner have been performed, which are that indispensable to design and operation of biomass gasification demonstration project
接著，通過對生物質中熱值氣化中試試驗系統的多次改造和反復試驗，了解了氣化爐內溫度場分佈，得出了溫度、物料、抽氣方式等因素對生物質熱解氣的成分、熱值和產氣率影響的一些基本規律，並進行了初步的焦油催化裂解試驗和煤氣燃燒器的熱力特性、燃燒特性試驗，為面向工程應用的集中供氣示範項目提供了必要的設計和運行依據。Abstract : during the heating of scrap with carbon or hydrocarbon contented substances in some process, it will bring problems like explosion of carbon monoxide, fume and smell from oil volatilization, etc. ， if incomplete combustion occurs. through laboratory experiments, the time related variation of gas contents and post combustion ratio of fume during the heating of oil - bearing scrap are studied. the results show that the restrictive chain of reaction procedure is the thermolysis of oil ; that temperature and ( co ) / ( co2 ) ratio influence transformation ratio and post - combustion ratio under lower temperature ; that 900 is the temperature above which the complete reaction can be ensured at all ( co ) / ( co2 ) ratios
文摘:在某些廢鋼熔煉過程中，當爐料中含碳及碳氫物質且燃燒不充分時，會帶來煙氣中一氧化碳的燃爆、油污揮發時造成的煙霧、臭味等問題.通過實驗室裝置研究含油廢鋼在加熱過程中煙氣成分隨時間的改變以及二次燃燒率的變化，試驗結果表明，反應過程的限制性環節是油分的熱分解；在較低的溫度下（ co ） / （ co2 ）比例影響轉化率和二次燃燒率；而在任意比例下保證充分反應的溫度為900以上Which are higher than electric driven heat pump, gas boiler, coal boiler and electric boiler. the energy grade theory analysis results also show that the energy utilization of gehp is comparatively reasonable. exergy cost of gehp is 11. 2 yuan / gj by thermoeconomic method, which is much lower than the heating price nowadays
對比發現，燃氣機熱泵的一次能源利用率和（火用）效率均高於電動熱泵、燃氣鍋爐、燃煤鍋爐和電鍋爐；對燃氣機熱泵系統的能級分析也表示系統的能量利用過程比較合理；通過熱經濟學的分析，得出燃氣機熱泵的供熱（火用）成本為11 . 2元gj ，這個價格與現行集中供熱的價格相比還是很有優勢的。The new device consists of paint - drying box, heat carrier boiler, heating pipe, expansion tank, gas separator and oil tank, etc. the data of two applied examples shows that heat carrier paint drying method is able to make painting - drying cost drop by 88 %, compared with the conventional one, that it has some advantages such as uniform temperature field, good appearance and lower costs, compared with conventional hot air convection mode
該裝置主要由熱載體烤漆爐、輻射加熱管，熱載體爐、膨脹器、油氣分離器和儲油槽等組成。應用實例的測試數據表明，與傳統的遠紅外電加熱鋼瓶烤漆方式相比較，鋼瓶熱載體烤漆節能和降低能耗費用十分顯著，能耗費用降幅達到88 。與熱風爐對流烤漆方式相比較，熱載體烤漆方法不僅節能，而且烤漆爐溫度場均勻穩定，同時烤漆的外觀質量也得到了明顯提高。This set of equipment includes : auto - stirring, aerating - and - conveying system, system of automatically sucking cups, oil - blasting system, material - padding system, cloth - spreading system, swerving - and - passing system, system of automatically separating raw material from plates, cooling system, and auot - washing system. additionally, if you replace the mould plate and the die in the equipment of the auto - material plate and give a proper adjustment, you can make various cakes
全套設備包括：自動攪拌、充氣連體送料系統、自動吸紙杯系統、噴油系統、注料系統、撒布系統、轉彎送盤系統、熱風循環烘爐系統、冷卻輸送系統、轉彎自動送盤系統、自動注料系統、自動料盤分離系統、冷卻系統、烤盤自動清洗系統等組成，該設備只要更換模盤及自動料盤分離設備中模具和適當調整其中設備，就可生產多種花色蛋糕食品。The objects and significance of automatic control in steelmaking and gas analysis in converter dynamic control are introduced
摘要介紹了目前國內外煉鋼過程的自動化控制的意義及其現狀，闡述了轉爐爐氣分析動態控制技術的基本組成和工作原理。With this model the eaf steel - making process can be simulated, including of scrap melting procedure, the changes of temperature, slag quantity and compositions of steel, slag and off - gas
該模型可動態地模擬電弧爐冶煉過程中的廢鋼量、爐溫、渣量、鋼液成分、爐渣組成和爐氣成分的變化。These results very close to engineering fact, then analyzed mostly factors : oxygen - coal mole ratio which affect cws gasification process and coal gas component on outlet, also advanced any measures to increase coal gas effective component ( co + h2 ) on outlet
得到了氣化爐內的溫度場、流場、濃度場以及出口粗煤氣成分，其結果與工程實際相比非常接近；並利用得到的結果分析了影響水煤漿氣化過程和出口煤氣成分的主要因素即氧煤比，提出了提高出口煤氣有效成分（ co + h2 ）的措施。Direct separation of co _ ( 2 ) from flue gas will lead to a reduction of power generation efficiency and an increase of power generation cost. the content of co _ ( 2 ) in flue gas is only about 3 - 15 %, which will lead to complicated separation process and high cost. this is because co _ ( 2 ) separation is very difficult from common flue gas, which has low co _ ( 2 ) concentration and high n _ ( 2 ) concentration at normal pressure
從鍋爐排煙中分離co _ 2將在一定程度上使電站效率降低，發電成本增加，其主要原因是燃煤電站鍋爐排煙中co _ 2濃度一般僅為3 15 ，在較低的壓力下從以氮氣為主要成分的混合氣體中分離較低濃度的co _ 2氣體的難度很大，從而導致分離設備復雜，成本較高。The calculated results are in agreement with the measured ones, indicating that according to the flow rate and composition of the exhaust gas and the mass and the carbon content of the liquid iron, the carbon content of steel bath can be dynamically determined ; with the aid of thermodynamic equilibrium analysis, the dynamic variation of temperature of the steel bath can be forecasted from the dynamic carbon content and the data from the exhaust gas analysis system
該模型計算結果與檢測結果吻合較好，這表明：通過煙氣流量、成分及鐵水質量和初始碳含量可動態地確定熔池中的碳含量；以動態確定的碳含量為基礎，結合爐氣分析數據，再經熱力學平衡分析，可預測熔池溫度的動態變化。Coke oven gas has many uses, hut its composition is very complicated, restricting its development and utilization
摘要焦爐煤氣的用途比較廣泛，但其成分非常復雜，制約了其開發利用。This system is utilized the programmable controller ( plc ) bearing of substitution rule ( the figure is apparent the form, writing instrument, individual loop controller, the hand is holded the utensil and is reached to assist the bearing unit and await ), achieve the 29mw ' s cycle stream of water warmhearted water boiler, oxygen remover, warmhearted net system control system together with monitoring voluntarily of electric section together with control being living, the rule to call off greats quantity displays the bearing in that system, boiler, oxygen remover, the warmhearted net operation is achieved crt and is supervised completely, manipulates personnel staff is living inner place the control cabin completely completees failure - free operation and trouble removal operation. the predictive target of putting ino production queen is the boiler, oxygen remover, the warmhearted net is achieved comprehensive self - regulation, moreover be able to be over a long period of time, steady secure operation
本系統利用可編程式控制制器（ plc ）替代常規的儀表（數顯表、記錄儀、單迴路控制器、手操器及輔助儀表裝置等） ，實現29mw循環流化床熱水鍋爐、除氧器、熱網系統控制系統與電氣部分的自動監測與控制。在該系統中取消大量的常規顯示儀表，鍋爐、除氧器、熱網的運行實現crt全面監控，操作人員在控制室內全部完成正常運行及事故處理操作。投產后的預期目標是鍋爐、除氧器、熱網實現全面自動調節，並能長期、穩定、安全運行。分享友人