爐中時效 的英文怎麼說
中文拼音 [lúzhōngshíxiào]
爐中時效
英文
oven aging-
The afterheat, which is collected by recovery devices, in winter can be used as the low level thermal source of heat pump, and in summer can preheat feed water, thus equivalent an economizer. because energy flows in the system so reasonably that energy is used to the most, therefore, its energy conservation effect is significant, and the operating expenditure declines consequently. the sewage can be reused after due treatment, thua it has a certain social and ecological benefit, too
本研究中選用分離式熱管裝置提供洗浴用水，利用水源熱泵裝置，一機兩用，進行空間供熱和製冷，並通過余熱回收器對系統內的余熱進行回收，冬季可作為水源熱泵的低位熱源，夏季可對鍋爐給水進行預熱，起到「省煤器」的作用。這樣實現系統內的能量合理流動，從而達到節能的目的，同時洗浴污水經適當的處理后可以回用，因而還具有一定的社會和生態效益。Increscent weight of oxidation, graphic and micrographic were explored, meanwhile, the mechanism of anti - erosion and wear - resistant of new coating material are also studied. at last, a program applied to calculate the temperature distribution and heat transmission between water wall tubes with sprayed coatings and metal anti - erosion tile was developed by use of visual basic
文中最後採用vb6語言計算機編程，計算了不同材料塗層對鍋爐水冷壁管的傳熱效果及徑向溫度梯度的影響，同時與加裝了防護瓦和未加任何防護的水冷壁管進行了比較。The boiler pulverizing system adopt mainly steel ball milling coal machine and mill storage pulverizing system, because the system has characteristics, such as, strong coupling, great time lag and slow time change. the quantity of storage coal in the ball milling coal machine ca n ' t measure exactly. manpower operation or use conventional regulate intrument ca n ' t get often perfect control effect
鍋爐制粉系統大多採用鋼球磨煤機、中儲式制粉系統，由於該系統具有強耦合、大時滯、慢時變等特點，而且球磨機磨內存煤量難以準確測量，人工操作或用傳統的調節儀表往往難以達到理想的控制效果，普遍存在耗能高、自動控制困難等問題。Our company endeavors to quenching & tempering, normalizing, tempering, high and medium temperature quenching, mesh belt furnace quenching, carbonizing, aging subzero and high temperature heat treatment, etc
本公司是一家致力於從事調質、正火、回火、高中溫淬火、網帶爐淬火、滲碳、時效冰冷及其高溫熱處理的廠家。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。With fast development of our country " s gas industry and air ' s increasingly serious contamination in city, using gas instead of coal and supplying energy in high efficiency and cleanliness has become necessary way in city. there are different problems in the current heating ( air conditioning ) systems. in the cogeneration system, heat and power affect each other, heating - pump heating ( aie conditioning ) system can not satisfy the peak load very well, the cost of gas fuel in boilor heating sestem is so high. the high generating efficiency of the diesel - engine two - sourse heating ( air conditioning ) systems is limited in range of 100kw - 1000kw, the heating scope is so limited. combined cycle of two sourse heating ( air conditioning ) system is most suitable selection to buesness community with big scope my paper aim at this syetem ' s primary question when it is applied in our country - - - - bringing project into execution and technology economy feasibility and off - design performence, combined with a certain demonstrating project in beijing buesness community, going along with calculating and analyzing, drawing out some efficient datas and conclusions, based on this, bringing out primary alements affecting combined cycle of two sourse heating ( air conditioning ) system " economics
熱電聯產系統熱電相互牽連，熱泵供暖（空調）系統不容易很好地滿足尖峰負荷，鍋爐供暖系統供熱中天然氣燃料構成的成本過高，內燃機雙源供暖（空調）系統的高發電效率僅限於100kw - 1000kw負荷范圍，供熱面積有限。對于大面積的商業園區、居民小區，燃燒天然氣的燃氣-蒸汽聯合循環雙源供暖（空調）系統是最佳選擇之一。本論文針對該系統在我國應用時的主要問題- - -方案的技術實施與技術經濟可行性，結合北京某一商業園區示範工程，進行了系統的計算與分析，得到了有效的數據與結論，在此基礎上，提出影響聯合循環雙源供暖（空調）系統經濟性的主要因素，並進行敏感性分析，得出有益的結論；最後通過各種供暖方案的比較分析回答了某些人對該系統的疑慮和不解，並指出系統的優化方向。Simulation results show the effectiveness of the algorithm. based on the integration of rough set and neural networks, a rough neural network based on predictive model control strategy for alkali recovery boiler control is developed. the framework of alkali recovery dedicated control system is introduced in chapter 5, including system hardware frame and software design and basic functions of system
3 ）針對堿回收蒸發工段具有強耦合、大時滯的特性，通過分析傳統解耦演算法的不足，提出了蒸發工段神經網路解耦控制方案，通過模擬證明方法的有效性；同時通過集成粗糙集和神經網路方法，提出了基於粗糙集的神經網路預測模型控制方案，並應用到堿回收爐的控制當中。There are many plants that have the character of time - varying, large delay, large inertia in the process of production of modern power station such as the superheated steam temperature, the reheated steam temperature, the water treatment of boiler and the load regulation. some of them have the strong character of nonlinear and some of them are multivariable coupling systems it is very difficult to obtain good effect of control by conventional pid control. it is necessary to set up the mathematics models of controlled plants if applying control means of modern control theory such as self - adaptive control, optimal control ， decoupling control and predictive control. and these control systems have large calculation and bad character of real time in general. these disadvantages make them be not able to meet the need of real production process and limit the application of them in modern power station. now the generator units are developing towards large capacity and high parameters. many new kinds of generating electricity means are coming into being. the characers of production units of power station become more and more complex but the demand to quality of control becomes more and more strict. the new control means are in bad need to control them effectively
現代電站的生產過程中存在過熱汽溫、再熱汽溫、鍋爐水處理、負荷調節等許多大遲延、大滯后、特性時變的對象，它們中有些還是具有強非線性特性的對象或多變量耦合系統，採用常規的pid控制手段很難取得良好的控制效果。若應用現代控制理論中的自適應控制、最優控制、解耦控制、預測控制等控制手段，則需要建立被控對象的數學模型，而且往往控制系統的計算量大、實時性差。這些缺點使其很難滿足實際生產過程的需要從而極大地限制了其在現代電站中的應用。The original design was intermediate vapor 42t / h, but the actual output is 30 - 35t / h, at the same time the temperature and pressure of the vapor are unstable, it affects the economic efficiency, the reason were the collecting dust on the heat area and serious corrision, they led to the decrease of the boiler load, and need stop to washing the dust, the article deals with the reform of the exhaust gas boiler, at the basic of the design condition, after thermo calculation, flute gas, resistence calculationand strenth calculation, the structure of the heat surface had been rearranged, then the proof calculation was done
原設計產中壓蒸汽42噸時，但投運后只產30 - 35噸時，並且蒸汽溫度和壓力均不穩定，影響到經濟效益。其原因是受熱面積灰和腐蝕嚴重，影響傳熱使鍋爐負荷下降，不能長時間運行，需停產清理積灰。本論文針對此余熱鍋爐的技術改造，在給定設計條件基礎上，通過熱力計算，煙氣阻力計算和強度計算，對鍋爐受熱面結構重新布置，然後再作校核計算。Directing against state of affairs at present, such as margin of type - selection parameters being selected comparatively large during design stage of air fans for boilers in thermal power plants, the opening degree of air fans in operation being often smaller ( for adjustment of inlet regulator ) or operation at lower revolution speed ( for speed - regulating operation mode ), and efficiency of air fans being lower etc., factors and corresponding measures having to pay attention in margin selection of air fan ' s parameters have been put forward through analysing practical example of retrofitting forced draft fans in one power plant, playing certain positive role for energy - saving and benefit - increasing in power plants
摘要針對目前火力發電廠鍋爐風機在設計選型時參數裕量選取較大，運行時風門開度較小（對入口調節器調節）或低轉速運行（調速運行方式） ，風機效率較低的狀況，通過對某電廠送風機改造實例的分析，提出了在風機參數選擇中的裕量選取需要注意的因素及相關對策，對電廠的節能增效有一定的積極作用。Abstract : this paper has deseribed the principles of preparation and technological process about nitrogen - based sintering atmosphere by ammonium cracked and burnt. the chemical effect in sintering furnace is discussed. the effects of it on the carbon content of the iron base structure materials were studied. the superior feature and technical & economic value in saving energy, in cutting down the consumption of raw materials, in waking use of natural resources, in environmental protection, in safety, etc., have been brought to light
文摘:敘述了氨分解燃燒氮基燒結氣氛的制備原理與流程設計；探討了它在燒結爐中的化學效應；研究了它對鐵基結構材料碳含量與性能的影響；揭示了它用於粉末冶金鐵基結構件燒結時，在節能、降耗、資源利用、環保、安全等方面的優勢特徵與技術經濟價值。According to the theory of engineering thermodynamics and phase change, heat - transfer process of the special working fluid heat - pipe stove is analyzed. some hypotheses are postulated and with the help of equation of mass - conservation, energy - conservation, the dynamic concentrative parameter model is built, the change of each parameter is prescribed at any stage from starting to stopping. with the thermodynamic calculation of burnable process, the parameter of device, such as heat - transfer coefficient / thermal efficiency etc, are achieved under steady state ; based on theoretic calculation, observing the actual running circumstance of the heating stove in person, with some performance comparison between the new and the old, the high efficiency and reliability of heat - pipe stove is proved, the project which expend it in the oil - filed is feasible
對充入該工質的熱管加熱爐，本文根據工程熱力學和相變傳熱學及相關知識，對其進行了傳熱分析，經過適當假設，運用質量守恆和能量守恆定律，建立了裝置動態集中參數模型，描述了加熱爐從開機到穩定運行這一動態過程各參數的變化情況，同時對燃燒過程也進行了熱力計算，最終得到了穩態工況下裝置的換熱系數、熱效率等熱力參數；在理論計算的基礎上，親赴現場觀察該爐的實際運行情況，通過與原有的加熱爐的各項性能進行對比，最終證明新爐的高效性和可靠性，為其在油田中推廣的可行性提供了依據。This company endeavors to hardening, normalizing, tempering, high and medium temperature quenching, mesh belt furnace quenching, cementing, time effective freezing and high temperature treatment etc
本公司是一家致力於從事調質、正火、回火、高中溫淬火、網帶爐淬火、滲碳、時效冰冷及其高溫熱處理的廠家。When underground water is used, there is no need to equip boiler, so there is neither cold or hot wind nor waste gas exhausted into the air and the heat - island domino offect of being hotter in summer and colder in winter in the city will not happen
當採用地下水時，不用鍋爐，沒有冷熱風排到空氣中，不會產生廢氣，不會造成城市夏天更熱，冬天更冷的熱島效應，如果採用新冷媒，不會對臭氧層造成破壞，保護人類生存環境。In order to decrease the over - adjusting in temperature and transaction time, a multi - model selector was provided to different scenarios of ascending temperature to make this system be simulated under simulink ' s circumstances. the result of simulation demonstrated that the effect of the system temperature control with model selector is superior to that of the system with pid controller or with pure lag compensation
為了進一步降低滲氮爐到溫前的溫度超調量及過渡時間，又提出用一個模式控制器來進行多種升溫方式的選擇並在simulink環境中對帶有模式控制器的溫控系統進行了模擬實現，模擬結果表明帶模式控制器的滲氮爐溫控系統的控溫效果又要優于帶純滯后補償的pid控制系統。Because the model used in the paper is different from other methods of judgment to slagging, all the variables affecting slagging are assigned the local values resulted from numeric calculation ( in other methods, the parameter to affect slagging can only use one flag value ). hence, the judgment to the slagging condition on any specific node of the grid can be made, so that effective and timely measures can be taken during operation
因為，與其它結渣評判方法不同的是，本文的模型中，影響結渣的各變量全部用數值計算結果得到的當地值（其它判斷方法所用的參數，對一臺爐子只用一個標志值） ，這樣給出的是受熱面上任一網格節點的結渣情況，以便運行過程中及時有效地採取措施。It is used to distinguish reaction process of converter vanadium because presently, a mature and dependable mathematic model is still not in existence, which can control and guild converter vanadium process how to operate. according to test data from laboratory before distilling vanadium, the model in practice is used to predict how to control operation for ensuring effect of distilling vanadium and quality of middle - stage - steeling. after adopting the model, the goal of " distilling vanadium and simultaneously reserve carbon " is realized successfully
針對目前國內外還沒有一種成熟可靠的數學模型來對轉爐提釩過程如何操作進行控制和指導，用該演算法辨識轉爐提釩的反應過程；並且在實際生產運行中，根據提釩前的檢驗數據來預測提釩時應該怎樣進行操作才能保證良好的提釩效果和半鋼質量，從而達到工藝生產目標的實現。In experiment the control object is boiler, and the designed fuzzy controller is used to control the real - time system. the effect of the simulation and real - time control is better, which proves good characters and the correctness of the structure analysis of the designed controller, and also manifests that using the structure analysis method can direct the design of fuzzy controller and supply the theory basis
選擇實驗裝置中鍋爐為控制對象，將本文中提出的具有等比間距隸屬函數的模糊控制器組成控制系統對鍋爐水溫進行溫度實時控制，模擬和實時控制實驗均取得了良好的控制效果，由此證明該控制器的優越性，同時也證明解析結構分析結果的正確性，這表明運用模糊控制器的解析結構分析可以指導完成模糊控制器的設計，並為其提供理論基礎。The model trained successfully can be used to compute the real - time boiler ' s efficiency and other concerned operating parameters of the 300mw generating unit in mengda power plant in neimenggu autonomous region. the model can analyze the real - time boiler efficiency to some degree. at the same time, it can lead to the advanced methods for optimizing the boiler operation
神經網路訓練成功的模型可在線對內蒙古蒙達電廠的300mw機組計算鍋爐效率及其它運行中關注的參數，在一定程度上起到鍋爐效率實時分析的作用，並為鍋爐運行提出優化調節的方法。分享友人