連鑄法 的英文怎麼說
中文拼音 [liánzhùfǎ]
連鑄法
英文
continuous casting process-
The control system of mould level is crucial to improve the slab quality in the continuous casting process, pid controller is used in the traditional mould level control, and it has some defaults, such as : at the start - up or finishing period of casting or during the changeover of tundish, pid control has a bad effect, its overshoot is large and its transient time is long ; the erosion of the tundish stopper and the submersed nozzles lead to the accuracy of control become bad ; the abrupt falloff of block in the submersed nozzles makes the level acutely fluctuate, and pid control can not overcome the disturbances resulted from the change of casting speed
結晶器液位控制系統是提高連鑄產品質量的關鍵環節，傳統的連鑄機液位控制方法採用常規的pid控制，存在如下不足：開始、結束澆注和換中間罐澆注時，控制效果差，超調量大，過渡時間長；塞棒頭和浸入式水口被腐蝕后引起控制精度差；浸入式水口堵塞物的突然脫落所引起的液位劇烈波動；無法克服拉速波動引起的擾動。Success in addition of no. 2 slab caster of the pangang iron and steel co. have brought large economic and social benefits ! the succeed example design of automation are provided for the decision and popularization and implementation of add for old equipment. this project was conjoin of design and program and debug. the control effect of no. 2 slab caster is satisfying, moreover, achieve high speed and whole automatic aim
攀鋼煉鋼廠新增2 #板坯連鑄機的成功，將具有很好的經濟和社會效益，尤其是該項目的自動化設計方案為自動化控制系統在企業舊設備改造及再增加新設備時的決策、推廣、實施提供了一套較為有效的、可供借鑒的方法和模式。Because of the importance of the industry, the paper is valuable in engineering. the paper also discusses multi - field, multi - phase, multi - state and computer technology, so the paper is also valuable in study. in chapter 1, the background, the history and the study status of model of " flow of fluid - solid material along a curved line by stretch " are provided
論文研究流固物體曲線拉伸流動數值模擬的原理和方法，這個問題典型存在於聚合物抽絲及鋼鐵冶金連鑄工藝和加工過程中，由於涉及重要而龐大的產業，因而具有重要的工程價值，又涉及近代力學多場量、多相、多態和計算技術等綜合復雜問題，因而具有重要的學術價值。Abstract : the nonlinear finite element dynamic simulation model for an oscillation mechanism with 4 - eccentric axis for continuous casting machine is established by means of the theory of kineto - elastodynamics
文摘:根據運動彈性動力學的理論方法，建立了連鑄機四偏心式振動機構非線性有限元動力學模擬模型。Combined with the operation conditions and upgrading needs of a certain cc line, construction scheme of cc data mart and processing method of collected process control data are introduced
摘要結合某連鑄線的現狀和改造要求，介紹連鑄數據集市的構建方案和過程式控制制記錄數據處理的方法。Choosing the 1 # hydraulic lp system of casting and rolling in zhujiang steel l. t. d as the researching object, the paper provides the method of appropriately dealing with initial data and judging the acute wear of equipment by using pls arithmetic which is fit for the condition of fewer samples and more variables
論文以珠江鋼鐵公司連鑄連軋生產線上1 #液壓lp系統為一研究對象，對原始放射光譜數據進行適當的預處理，運用適合於少樣本多相關變量回歸分析的偏最小二乘演算法，判斷設備是否存在劇烈磨損。In addition, a method for evaluating the flow characteristics in multi - strand tundish, which can be applied to the similar water modeling study is introduced in this paper
本文還提出了多流連鑄中間包流動特性的評判方法，為類似的水力學模擬試驗提供了參考。Abstract : the method to determine the shape of solidification shell in the process of continuous casting of steel is studied. by establishing the model of stable temperature field, with the observation of first and second boundary value on the exterior of the ingot, the algorithm method to identify the shape of solidification shell is given with boundary variation in existing observation condition. numerical test shows that the method is valid
文摘:討論了鋼鐵工業連鑄過程中結晶器內連鑄坯凝殼形狀的確定方法.通過建立穩定溫度場模型，在現有觀測條件下，用邊界變分方法給出了確定鑄坯凝殼形狀的辨識演算法.實驗數據顯示此方法是有效的Thermal and structure character of straight reheating furnace were analyzed in csp technological process. coupling with heat conduction differential equations of the thin slab and the furnace lining, the mathemat ical model of heat transfer is established in the long one dimension furnace by using zone method for making the model of radiant heat transfer. the effect of the moving velocity and kinds of the slab on temperature distribution in the furnace is discussed based upon the solutions to the mathematical model
通過分析csp工藝中直通式輥底加熱爐的熱工及結構特性，採用區域法建立爐內輻射換熱數學模型，與加熱爐內連鑄坯及爐襯的一維導熱方程相耦合，建立長一維直通式輥底加熱爐爐內傳熱數學模型.通過對數學模型的求解，研究分析了不同的薄板坯移動速度及鋼種對加熱爐爐內溫度分佈的影響Fast algorithm of continuous casting slab edge detection in the real time system
實時系統中的連鑄板坯邊緣檢測快速演算法Abstract : the mathematical model of dhcr heating of continuous casting slab is established, and solved by using the finite difference method, then the temperature distribution and heating time during different heating periods are found. this model can be used for determining the dhcr heating system of continuous casting slab
文摘:建立了連鑄板坯直接熱裝加熱數學模型，並用有限差分法進行求解，獲得了各期加熱溫度分佈及加熱時間，此模型可用於連鑄板坯直接熱裝加熱制度的確定。When the data of logistics in current process are used for input of simulating logistics in future 100 % continuous casting process, supply of hot metal from iron - making process may not satisfy the needs of 100 % continuous casting on raw materials. because planning scheme in continuous casting process depends greatly on smelting scheme in convertor vessel, it is important for operator to balance raw materials supply, smelting and casting in order to realize the scheme of 100 % continuous casting. when some equipment are work abnormally, mixer of hot metal and lf furnace can be used for logistics buffer
用攀鋼煉鋼生產數據對模擬軟體系統進行的測試和模擬研究結果表明：模擬系統的隨機數發生演算法可以實現對作業時間的依分佈隨機抽取；在相似的輸入條件下，模擬結果與實際生產物流的時間分佈規律基本吻合，達到了模擬軟體設計的預期目標；若以攀鋼提釩煉鋼廠現工藝的鐵水輸入作為全連鑄后的輸入條件，則現工藝的物料供應能力可能難以滿足全連鑄生產的要求；連鑄機的連澆計劃對轉爐爐次計劃的編制有很高的要求，合理安排來料、煉鋼與澆鑄三者間的物流平衡關系將是保證全連鑄作業的重要條件；當出現設備異常情況時，可以利用混鐵爐與lf爐站前等待作為物流緩沖池，通過延長系統的平均物流時間來緩解因設備檢修和故障等擾動所造成的影響，確保生產的順利進行。After that, we deduce a mathematical model of heat conduction mechanism for the cc process and examine the veracity of the model by computer simulations
本項研究的最終成果就是建立了連鑄二冷過程中的機理模型，並且提出了解決二冷過程中逆熱傳導問題的方法。Abstract : based on the hypotheses of three - piece straightening curve. it isverified that the method for using little deformation condition was true with accurate solution of three - piece straightening curve. the mechanics behavior of slab was analyzed in regard to the creep properties of high temperature slab. the results show that the strain, the strain velocity and the stress varied so smoothly that the inner crack was prevented. technical renovation is carried on by adjusting the displacement of rolls and by using the accurate solution of three - piece straightening curve
文摘:基於三段矯直曲線應變速率的假設，通過計算三段矯直曲線的精確解，驗證了使用小變形條件的正確性;考慮高溫鑄坯蠕變性能，對鑄坯的力學行為進行了分析，得出了使用三段矯直曲線方法，鑄坯應變速率、應力及應變在矯直區內變化較為平緩，可有效避免鑄坯內裂紋的形成;使用本文三段矯直曲線精確解，調整輥列位置，可進行連鑄機的在線技術改造。Method of the test for grain size distributionof continuous casting mold powder
連鑄保護渣粒度分佈試驗方法Basic principle and implement method of slab cutting length computation model in no 3 cc of baosteel are introduced
摘要主要介紹在寶鋼3號連鑄機上投運的板坯切割長度計算模型的基本原理及實現方法。Abstract : according to the site condition of the bisc, a mathematical model of two - dimensional unsteady solidification and heat transfer was established for the bloom caster in the mold. the mathematical model was solved with a finite difference method to characterize the temperature profiles and thickness of the solidified shell in the mold, the effects of casting speed on thickness of the solidified shell are also studied
文摘:根據包鋼的現場條件，建立了大方坯連鑄機結晶器內二維非穩態凝固傳熱數學模型，採用有限差分法對數學模型求解，得出結晶器中鑄坯的溫度分佈規律和凝固坯殼生成規律，同時研究了拉坯速度對坯殼生成厚度的影響Methods for chemical analysis of continuous casting mold powder cydta titrimetric method for the determination of magnesiumoxide content
連鑄保護渣化學分析方法cydta滴定法測定氧化鎂含量Abstract : thermal and structure character of straight reheating furnace were analyzed in csp technological process. coupling with heat conduction differential equations of the thin slab and the furnace lining, the mathemat ical model of heat transfer is established in the long one dimension furnace by using zone method for making the model of radiant heat transfer. the effect of the moving velocity and kinds of the slab on temperature distribution in the furnace is discussed based upon the solutions to the mathematical model
文摘:通過分析csp工藝中直通式輥底加熱爐的熱工及結構特性，採用區域法建立爐內輻射換熱數學模型，與加熱爐內連鑄坯及爐襯的一維導熱方程相耦合，建立長一維直通式輥底加熱爐爐內傳熱數學模型.通過對數學模型的求解，研究分析了不同的薄板坯移動速度及鋼種對加熱爐爐內溫度分佈的影響Method of the test for melting temperature of continuous casting mold powder
連鑄保護渣溶化溫度試驗方法分享友人