鍋爐燃燒理論 的英文怎麼說
中文拼音 [guōlúránshāolǐlún]
鍋爐燃燒理論
英文
theory of boiler combustion- 鍋 : 名詞1. (炊事用具) pan; pot 2. (裝液體加熱用的器具) boiler; cauldron3. (某些器物上像鍋的部分) bowl (of a pipe, etc. )
- 燃 : 動詞1. (燃燒) burn 2. (引火點著) ignite; light
- 燒 : 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...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 論 : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
- 鍋爐 : boiler; furnace
- 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
- 理論 : theory
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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。Measurement precision contribute to improving the security class and economic of boiler running and automatic level of whole plant. the smart measurement instrument of the boiler ’ s air flow designed in the thesis and the instrument can make the degree of accuracy get to. firstly, the thesis build the “ velocity - area ” method which is on basis of “ log - tchebycheff ” on the analyzing of basic measure method of boiler ’ s air flow. secondly, model86 averaging pitot tube was selected the right model of flow transducer which can pickoff the differential pressure and static pressure. modelc264 which made in setra system corp. u. s. a was selected as ultra low differential pressure transmitter. a good flow of boiler ’ s air was calculated by offsetting pressure and temperature. finally, numeroscope was designed with z80cpu and other chips
精確的監測有助於提高鍋爐燃燒的安全型、經濟性,也有助於提高電廠的整體自動化水平。本文設計的智能化鍋爐風量測量裝置能夠實現對鍋爐送風的精確測量,精度可達。本文首先研究鍋爐送風矩形大管道測量理論,提出在流來流量測量測點布置基於「對數-切比雪夫」法的速度-面積法。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。Theory of boiler combustion
鍋爐燃燒理論With the engineering thermophysics subject as a main theory basis, the boiler, the steam turbine, the internal combustion engine and the other new, being developed power machinery and system as the research object, the application of engineering thermodynamics , heat transfer, computer system control theory, environmental science, microelectronics technology, energy - saving technology and other knowledge , study the process and the basic law of fuels chemical energy and liquid kinetic energy to converse to the power securely and efficiently and low ( or no ) impurely ; study the energy conversion process systems and technology of equipment automatic control ; study the producing mechanism and emission control technology of combustion pollutants ; study energy - saving technologies and the development of new energy technologies
熱能工程是以工程熱物理學科為主要理論基礎,以鍋爐、汽輪機、內燃機和正在發展中的其它新型動力機械及系統為研究對象,運用工程熱力學、傳熱學、計算機自動控制理論、環境科學、微電子技術、節能技術等學科的知識,研究燃料的化學能和液體的動能安全、高效、低(或無)污染地轉換成動力的基本規律和過程;研究能量轉換過程中的系統和設備的自動控制技術;研究燃燒污染物生成機理與排放控制技術;研究節能技術與新能源的開發技術。In this case, circulating fluidized bed boiler has become the first new technology of high efficiency and low pollution. this paper simply introduce the clean combustion of circulating fluidized bed boiler and explore the sulfur capture, nitrogen capture, dust capture, slag excluding and using by connecting with the practically case of bt - 75 / 4. 2 - m circulating fluidized bed boiler in yth group
本文對循環流化床鍋爐的潔凈燃燒在理論上做了簡要的論述,並結合雲天化股份公司的bt - 75 4 . 2 - m型循環流化床鍋爐的實際運行情況,對循環流化床鍋爐燃燒過程中的脫硫、脫氮,煙氣的除塵、灰渣的排放和利用等情況進行了探討。First, the working principles of the combustion control system of marine main boiler in present use and its disadvantages are discussed in the paper ; in the light of the structure and motion traits of marine main boiler, the combustion control systems of single and double cross amplitude limits are designed. at the same time, the schematic diagram of system and recovery curves of some relative parameters are given, the system working principles and its advantages and disadvantages are discussed. based on the combustion control system of dual - crisscross amplitude limit, by selecting the independent variable, the fixed offset is improved into variable offset, the combustion control system of variable offset dual - crisscross amplitude limit is designed
首先討論了目前船用主鍋爐燃燒控制系統的工作原理及存在的不足;針對船用主鍋爐的結構及運行特點,設計了單交叉限幅燃燒控制系統和雙交叉限幅燃燒控制系統,同時給出了系統原理圖及有關參數的過渡過程曲線,討論了系統工作原理及優缺點;在雙交叉限幅燃燒控制系統的基礎上,將固定偏置經過自變量的選取,改進成變偏置,設計了變偏置雙交叉限幅燃燒控制系統,給出了系統原理圖及有關參數的過渡過程曲線,同時也給出了空氣壓力和燃油流量正負偏置函數與變偏置折線函數的關系式。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。According to the requirement of modern power industry, this paper proposes a new optimal control method for the boiler combustion system, based on the study of neural network and optimization theory
本文以火電廠鍋爐燃燒過程為研究對象,針對當前火電廠鍋爐燃燒控制系統的新要求,在研究rbf神經網路和優化理論的基礎上,對rbf神經網路在電站鍋爐燃燒系統建模與優化中的應用進行了研究。The simulation results show the obvious effect of " stratified and staggered impinging stream type multiple - nozzle secondary air " on eliminating soot
在理論上證明了煤無煙燃燒鍋爐「多孔分層錯列撞擊流」式二次風在消除碳黑方面具有明顯的效果。The industrial burner using the induction - heating free - oil ignition technology of pc is designed and constructed in this thesis. the experimental study is carried out on a boiler and the coal - air mixture is ignited successfully for the first time in plant. the industrial experiments provide valuable experience for the application of the new technology
在理論研究的基礎上,本文進行了電站鍋爐感應加熱煤粉無油點火燃燒器的現場試驗研究,在電站鍋爐中成功地點燃了煤粉氣流,為該技術的正式工業應用積累了現場經驗。Aiming at the structure characteristics of the pipeline system of the existing boiler combustion equipment, the paper work out the new - style air speed measure components via the theory analysis of the existing measure components of all kind of forms and measure theory. and then the paper designs and builds the wind tunnel test - bed to process the test and research of the air speed measure components in order to realize it ' s structure and each characteristic parameter
針對現有的鍋爐燃燒設備管路系統的結構特點,論文通過對現有的各種形式、測量原理的流量測量裝置的理論分析,設計出新型的風速測量元件,並且設計、建立滿足試驗所需的風洞試驗臺,對風速測量元件的結構及各項特性指標進行試驗研究,完成一次元件的開發工作。Numerical simulation is dominating part of cat, also the core of this paper. in this paper, detailed attention has been paid on the modeling for flow, heat transfer, radiation, nox production and slag - building mechanism in the face - fired boiler and some testify are done on theory by experiments
本文應用數值計算對對沖燃燒鍋爐爐內的流動、傳熱、燃燒過程及氮氧化物( no _ x )的生成過程、爐內的結渣過程作了詳細的數值研究,並盡可能結合實爐試驗,對理論進行驗證。Based on practical engineering, the multi - tangential firing technology and the variance perimeter wind technology were introduced in this paper too. from the practical point of view, in this paper, we state the application of multi - tangential firing technology to setting the high temperature corrosion of the water wall tubes of boiler
本文對鍋爐水冷壁高溫腐蝕有關機理、影響因素以及預防措施作了詳盡的論述,並結合工程實際,詳細介紹多切圓燃燒技術以及變異周界風技術,從實踐角度介紹多切圓燃燒技術在解決鍋爐水冷壁高溫腐蝕中的應用。This essay has touched upon the following work : 1. has built up theoretic models including static mathematic models of air compressor, combustion chamber, gas turbine, waste heat recovery boiler and steam turbine which are deduced according to the feature and theory of the equipment of the object of study. upon establishment of each model based on the actual conditions, a method of multiple imitation and combination is applied to parts which have already got characteristic curves to have achieved quite accurate curves whilst the method of neural net is applied to the parts which have no characteristic curves for establishment of models
本文進行了以下的主要工作:建立理論模型,根據對象的實際設備的特點和理論關系推導壓氣機、燃燒室、燃氣輪機、余熱鍋爐、汽輪機的靜態數學模型;根據本研究的實際情況,在建立各部件模型時,對已有特性曲線的部件,採用多項式擬合的方法,得到較為準確的特性,而對部分沒有曲線的特性,則採用神經網路的方法建立模型。The literature about the technology of coal instead of oil is quite little. this study could enlarge the technology field of coal instead of oil. it can help a lot to rebuild the boiler of power plant, the burning system and cinder treatment
國內關于油改煤工程技術改造相關文獻資料還很少,本文的研究可拓展油改煤工程技術改造應用的技術領域,為國內同等類型的電廠鍋爐轉型、燃燒系統改造和煤渣處理提供了理論依據和實際範例。In this paper, two 50t / h coal - fired boilers " burning control system of 26 # heating station was studied as its thesis, the primary pid controller was improved as its purpose, fuzzy control theory developed rapidly at present was applied as its means. the design scheme is that controlling transducers change rotate speed of supplying coal electromotor, fan, and blower using 8051 micro - controller. it realized computer control of burning process
本文以26 ~ #供熱站的2臺50t / h燃煤鍋爐的燃燒控制為課題,以改進原有pid控制為目的,以當前發展比較迅速的模糊控制理論為手段,提出了採用8051單片機控制變頻器改變給煤機、引風機和送風機轉速的設計方案,實現了燃燒過程的計算機控制。The software has been used to do numerical calculation for many boilers ; quantitative analysis on the temperature deviation around the exit of furnace of tangentially - fired boilers is also conducted ; so is the research on distribution of slagging on the heated surface, which provides the theoretical basis for boiler design, optimal operation, renovation planning etc. the paper analyzes the mechanism of slagging in the coal - fired combustion process ; it creates the mathematical modeling of fuzzy comprehensive judgment of slagging by utilizing the theory of fuzzy mathematics
用此軟體已對多臺鍋爐進行了燃燒模擬計算;定量分析了四角切圓燃燒鍋爐爐膛出口左右偏差問題;研究了受熱面結渣的分佈情況,為鍋爐的設計、運行優化、改造方案確定等提供理論依據。本文分析了煤粉燃燒過程中灰渣沉積的機理,利用模糊數學的理論建立了結渣的模糊綜合評判的數學模型。Applications of face - fired boilers are not so many on our country ' s industry, so the researches on it, especially on high - duty boilers ( for example 330mw ), are very limited. and further study is needed to make up for domestic vacancy about this. author of this paper has done some researches on 330mw boiler both in theory and experiments by applying computer aided test ( cat ) principles
對沖燃燒鍋爐在我國的應用並不是很多,所以對它所進行的研究極為有限,特別是對于較大容量(如330mw )的機組,相應的試驗和數值計算都很少,很多的問題仍等待進一步的研究,本文正是為了填補國內的空白,從理論和試驗的角度,運用計算機輔助優化數值試驗原理和方法,對330mw對沖鍋爐進行研究。分享友人