燃燒工段 的英文怎麼說

中文拼音 [ránshāogōngduàn]
燃燒工段 英文
furnace room
  • : 動詞1. (燃燒) burn 2. (引火點著) ignite; light
  • : Ⅰ動詞1 (使東西著火) burn 2 (加熱或接觸某些化學藥品、放射性物質等使物體起變化) cook; bake; hea...
  • : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
  • : Ⅰ量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
  • 燃燒 : (物質劇烈氧化而發光、發熱; 燒) burn; kindle; flame; set on fire; [化學] combustion; inflammation; ignition
  1. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加方法.由於室外表面的母線輪廓復雜,手編制數控加程序難度大.為了解決數控加程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數控加程序.室收斂-擴張的母線斜率變化大,加難度大,是斜航線冷卻通道加的最典型件.經過理論分析和實際切削實驗,研究了針對該類型件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加方案.採用上述的一系列技術,已經成功地加了數十個合格件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加方法的正確性和可行性.這些加技術的研製成功,對其他相似類型零件的加亦具有參考意義
  2. 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、低溫過熱器前煙溫高達936 ,遠遠超過815的設計值;噴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;甚至有時因煤質量的變化,必須投油助的嚴重情況進行了分析研究。在實際生產過程中,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況,從而影響爐內的傳熱和,造成爐膛出口超溫、水冷壁結渣等問題。
  3. Analysis of experimental data indicates that there exist several following problems during the whole operation : first, the emission is serious and the density of hc and co smoke is very high at on and off period. second, there is oil dripping from the dripping vitta as a result of the fault of ignition system and combustion structure. the last, there might be accidents of disabled ignition resulted from the improper operation at the beginning

    通過對樣機的試驗分析和研究表明,汽車空氣油加熱器在整個作過程中,其排放存在以下三個問題:一、開機和關機兩個階的排放問題嚴重,廢氣中hc和co的濃度值及煙度測量值都很高;二、因點火系統和結構的缺陷而導致開機后一時間內有油滴從滴油管滴落;三、在點火過程中,會出現因操作不當而點火失效的現象。
  4. 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,實現各溫爐設定值自修正、各爐溫自協調、各參數在線自整定的自尋優最佳控制;對熱參數、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。
  5. Focusing on the performance evaluating and the design of tripropellant injector, adopting the cold test rig with background pressure supply, malvem particle analyzer, ccd photography system, tripropellant hot test - bed, numerical simulation software and auxiliary theoretical a nalysis, the d ischarge c haracteristic a s w ell a s a tomization p erformance o f the injector and the combustion performance as well as the mode - transition characteristic of thrust chamber are studied detailedly based on the 3 different structures of coaxial tripropellant injector, large numbers of important conclusions are gained

    本文圍繞三組元噴嘴的性能評定及設計方法。採用反壓冷試臺、馬爾文測粒儀、 ccd高速攝影系統、三組元發動機熱態試驗臺、數值模擬程序及輔助理論分析等多種技術手和研究方法,對三種結構的同軸式三組元噴嘴深入進行了噴嘴流量特性和霧化特性、推力室性能和轉況性能研究,得到了大量重要結果。
  6. The design and application of energy - saving control system of combustion in al kali recovery

    堿回收燃燒工段節能控制系統的設計及應用
  7. Alkali recovery is an effective way dealing with the black - liquor in pulp mill. black - liquor evaporation and combustion in, alkali recovery are complicated industrial processes. they have characteristics such as strong coupling, non - linearity, large time delay, parameter examining difficulty, etc. and people require more effective control system for the processes "

    堿回收是紙廠處理黑液的有效方法,造紙堿回收過程中的和蒸發是復雜的業過程,具有復雜性、非線性、大時滯和參數檢測困難等特點,而且人們對于控制系統的控制性能也提出越來越高的要求,常規控制技術已經沒有辦法滿足生產的需要。
  8. Chapter 3 introduces black - liquor evaporation and combustion process in alkali recovery. models used in alkali recovery control are summarized and an overview of the alkali recovery control are given. the problems in alkali recovery control research and its development trend are discussed too

    2 )第三章介紹了堿回收過程和蒸發藝流程,總結分析了國內外對堿回收過程建立的各種模型,概述了堿回收過程先進控制的研究現狀和研究成果,並指出了理論研究與實際應用中所存在的問題,以及以後研究的方向。
  9. In order to solve the problems effectively, under the auspices of 863 plan in china, the synthesis diagnosis has been carried by means of measuring and numerical imitating the combustion chamber of refining column, and some conclusions is such as : ( 1 ) through measuring the temperature and combustion in the burning chamber of the refining column, the result shows the temperature difference on the same level is more than that in height direction, and there is a few of co in bottom of burning chamber. ( 2 ) in order to ensure normal work of flue system in lead column in the course of zinc refining, theoretic calculation and measure about the flow resistance of exhaust gas are carried through. the results of study reveal that drawing out force of chimney is inadequate, which is mainly caused by illogicality of flue construction

    在研究過程中,採取了現場實測和數值模擬手對韶關冶煉廠鋅精餾鉛塔室及排煙系統進行了綜合診斷,具體結果包括如下: ( 1 )完成鋅精餾鉛塔室內溫度測試以及狀況的測試,結果發現:鉛塔室內水平方向的煙氣溫度並非均勻,而且其溫差比上下方向的溫差更大,以及鉛塔室尾部存在co未燼問題; ( 2 )為了保證鉛塔煙氣系統的正常作,對煙道系統的阻力進行了理論計算及測試分析,結果發現:鋅精餾鉛塔煙氣系統中煙囪抽力不夠,這主要是煙道結構不合理所造成的。
  10. Abstract : the in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging

    文摘:針對早期建造的煉油廠和化廠在役管式加熱爐熱負荷和熱效率低的狀況,提出了若干技術改造措施包括,增大對流管表面積以增大對流的熱負荷;增加輻射管的換熱面積;修正煙囪高度;換用新型器,變自然通風為強制供風,以增大器的發熱量,減小過剩空氣系數,節省料2 % 3 % ;在對流和煙囪之間增設空氣預熱器以提高空氣入爐溫度;採用高溫輻射塗料增強輻射換熱效果,從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。
  11. The in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging

    針對早期建造的煉油廠和化廠在役管式加熱爐熱負荷和熱效率低的狀況,提出了若干技術改造措施包括,增大對流管表面積以增大對流的熱負荷;增加輻射管的換熱面積;修正煙囪高度;換用新型器,變自然通風為強制供風,以增大器的發熱量,減小過剩空氣系數,節省料2 % 3 % ;在對流和煙囪之間增設空氣預熱器以提高空氣入爐溫度;採用高溫輻射塗料增強輻射換熱效果,從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。
  12. These include the new heavy plate bay facility, incorporating new burning equipment and a 5, 000 - ton press needed to process thick plate structures, and new covered modular assembly, outfit and unit assembly facilities

    這些投資包括最新的厚鋼板加設施,包括了處理厚鋼板結構所需要的新的設備和一個5千噸壓力機,還有新的有棚的模塊化組裝,整體和分組裝設施。
  13. Abstract : establishment of the macro dynamic mathematical models for coked zeolite catalyst coke burning regeneration was discussed from an engineering point of view. based on the modified particle - pellet model, dynamic mathematical equations for porous and nonporous catalyst coke burning regeneration were deduced, supplying a theoretical basis for computer simulation of coked zeolite catalyst regeneration

    文摘:從反應程學的角度討論了結焦沸石催化劑焦再生反應宏觀動力學數學模型的建立,根據已提出的修正的顆粒-粒子動態等溫物理模型,分別推導出了多孔焦炭的再生階數學方程和無孔焦炭的再生階數學方程,為結焦沸石催化劑再生反應過程計算機模擬提供了理論依據。
  14. Guangdong, for its part, is building four large scale natural gas power plants that will start operating in phases from 2006. flue gas desulphurisation will be installed in all other power plants with a capacity of 125 megawatts or greater by 2007. low nitrogen oxide burners are also being installed and highly polluting coal - fired boilers and industrial furnaces are being phased out

    廣東省亦正興建四間大型天然氣發電廠,這些設施預計可在2006年起分階投產,此外全省其他125兆瓦或以上發電容量的發電廠在2007年或之前裝妥煙氣脫硫裝置,廣東省並逐步裝設低氮氧化物器和淘汰高污染的煤和業鍋爐。
  15. Combustion reaction mechanism, combustion process craft, microstructures and powder characteristic were studied with many advanced experimentations and equipments

    利用多種實驗手和分析方法,研究了合成zrb2的合成反應機理、藝規律、產物的微觀組織及粉末特性。
  16. Heat efficiency of power station boiler is an important research subject in which carbon loss is an important parameter to reflect combustion performance of boiler, however, there is no favorable means to estimate it definitely

    電站鍋爐熱效率的研究是一個重要的課題。其中,機械未完全熱損失是反映鍋爐況好壞的一個重要指標,目前卻缺乏非常有利的具和手來明確判斷。
  17. Scramjet combustor may realize the subsonic - combustion mode and supersonic - combustion mode respectively based on the control of fuel in variable flight conditions. isolator has great effect on mode transition and preventing unstart of inlet. inlet can be unstarted by raising the back pressure result from chemical energy release in the combustor

    計算研究表明,在相同的來流條件下,供油規律對室的作模態有著重大的影響;在不同的來流條件下,可以通過調節供油規律使室分別實現亞模態和超模態;隔離對防止引起的壓力升高對進氣道的干擾和室的模態轉換具有重要的作用。
  18. Another feature in technical innovation is to update the old product of the company, which has got good effect. through upgrading electrostatic precipitator for black liquor boiler, which is the key equipment at the stage of combustion in the system of papermaking alkali recovery, its availability and reliability have been improved in great way

    對老產品的更新,是公司技術創新的另一個特點,起到了相當好的實際效果,造紙黑液鍋爐電除塵器是造紙堿回收系統燃燒工段關鍵設備,通過不斷的技術更新,其適應性和可靠性得到了極大的提高。
  19. So far supercritical pressure circulating fluidized bed boiler with vertical furnace walls is still at the stage of feasibility in the world. our country has still not done this research

    目前國際上對超臨界循環流化床技術的研究基本處于起步階,我國尚未開展這方面的研究作。
分享友人