預熱化 的英文怎麼說

中文拼音 [huà]
預熱化 英文
prelasticizing
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  1. The results indicated that low graphite spheroidization rate and free cementite were the main causes of poor mechanical property

    試驗結果表明,控制碳當量和球劑加入量,採用瞬時孕育等可提高球率;採用砂型等可減少滲碳體。
  2. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下,不同流速對管空氣器壁面溫度的影響;然後對影響整個流場分佈的各種因素:包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬;最後提出在分流煙道轉彎處加裝導流板,並模擬加裝導流板后的流場分佈,得到下級空氣器出口、管空氣器進口處的斷面速度場分佈、濃度場分佈,以論證加裝導流板能達到流場均勻的作用。
  3. Abstract : large time delay exists in complicated practical processes. for example, in fccu ( fluidized catalytic cracker unit ) reactor - regenerator, the feed is preheated through heat exchanging from fractional column slurry, thus results in large time delay. a predictive control system is designed for such processes, where the kernal algorithm is dynamic matrix control. application results show that the control behavior is improved than original pid control

    文摘:實際的復雜工業過程,往往具有大的時滯,例如:煉油廠催裝置的反應再生系統,其原料油通過油漿換實現,因此時滯特別大.本文針對這一類大的時滯過程,設計了以動態矩陣控制為核心演算法的測控制系統,運行實踐表明:這一控制方案比原pid控制在控制質量上有較大提高
  4. The new developments of htm station technique were introduced from the aspects such as changing the htm pipeline type in pet htm station, increasing the switch forms of steam atomization and compressed air atomization, increasing the steam generator, sending stripping tower off - gas to combination and using new material nd steel in air preheater

    摘要從改變聚酯媒站的媒爐媒管線形式、增加蒸汽霧與壓縮空氣霧的切換形式、增加蒸汽發生器、汽提塔尾氣送燒、空氣器採用新型材質nd鋼等方面介紹媒站技術的新發展。
  5. Aimed at the automatic welding of the air - separate equipments. a computer control system for double - side automatic tig erect welding has been developed in this paper, which can keep the welding parameters of two welding torches consistent, and adopt a high - power and centralized energy fountain, and can take warm - up casually. the control system can assure a higher welding quality and a better work condition and a higher productivity than before

    為實現空分設備的焊接自動,本文研究開發一種雙面自動tig立焊計算機控制系統,採用大功率和能量集中的源,克服了由於而使手工焊接工人勞動環境的惡,同時使得兩把焊槍的焊接參數保持一致,從而可得高的焊接質量,改善焊工的勞動條件,大大提高勞動生產率。
  6. Based on can bus, this thesis develops an innovational air preheater leakage control system, with pcs structure to fulfil the optimal control over system structure and the multi - signals transfer

    為了優控制系統結構並解決系統中多種信號的傳遞問題,本課題以can總線為基礎,建立了fcs結構的新一代空氣器密封間隙控制系統。
  7. Often supplied as turnkey equipment packages, systems can include heat recovery, gas preheating and downstream tail gas clean - up as required

    經常提供交鑰匙的整套設備系統可以根據需要包括回收、氣體和下游的尾氣凈
  8. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中,模擬結果表明,保壓時間是影響製件成形質量的關鍵因素之一,擠壓速度、液態金屬澆注溫度、制體溫度和模具溫度等工藝參數對溫度場的影響也很大,需進行參數之間的協調,只有當變形區內部始終維持準固態時,才能實現穩定的液-固擠壓成形過程;在變形場的模擬中,根據液態浸滲擠壓的成形特徵,選用了雙曲正弦剛-粘塑性有限元計算模型,研究了變形過程中應力應變場的變規律,研究了模角對變形和金屬流動的影響及變形力的變過程和其影響因素。
  9. Liquid - solid extrusion of composite material is a new kind of metal forming process, which has been developed in recent years with a promising practical application prospect for its simple working procedure, low cost and good workpiece performance. through a lot of experiments, the optimization and chosing method of key process parameters ( pouring temperature, mold warm - up temperature, impregnating pressure, impregnating time ) has been mastered. under the precondition of appropriate chosing these parameters, the effective control of extrusion velocity is the key of mading good workpiece. but the control of extrusion velocity remains a handwork, and it is heavily affected by such uncertainties as a handler ' s knowledge and skill about the process. in order to solve the problem, the automatic control of the extrusion velocity is studied, and a computer control system is also designed under existing condition

    通過大量實驗,已掌握了關鍵工藝參數(熔液澆注溫度、擠壓模溫度、浸漬時間、浸漬力)的優選取方法。在合理選取關鍵工藝參數的前提下,擠壓速度的控制是成形出質量良好製件的關鍵。但是,目前對于擠壓速度的控制仍停留在手動控制階段,利用該工藝制備管、棒材製件的成功與否受操作者對該工藝及其設備的經驗及熟練程度等不確定因素影響很大。
  10. Degassed furnace, sealing furnace, stabilizing oven, mask annealing lehr, blackening furnace, bulb roaster, primary annealing lehr for colour tube funnel, secondary annealing lehr for colour tube funnel, annealing lehr of single - press, annealing lehr of double - press, funnel annealing lehr, colour tube panel annealing lehr, tube - neck sealing and annealing lehr, cut - off machine, necking machine, funnel - loader, lehr preheating unit, neck - loader, funnel auto - pickup, auto - pickup conveyor, funnel auto - loader, neck seal loader, neck - delivery conveyor, rough grinder, fine grinder, fine - polish grinder, panel pickup, button sealing machine, pin sealing machine, funnel annealer loader

    彩管、彩玻設備系列:排氣爐、封接爐、穩定爐、蔭罩退火爐、黑爐、焙燒爐、彩色玻錐一次退火爐、彩色玻錐二次退火爐、雙壓機退火爐、單壓機退火爐、彩色玻屏退火爐、管頸封接退火爐、割頭機、接頸機、錐裝載裝置、退火爐裝置、管頸裝載機、屏自動取出裝置、自動取出傳送帶、錐自動裝載機、管頸封接裝載機、管頸供給傳送帶、粗研磨機、細研磨機、精拋光研磨機、取屏機、陽極帽封接機、銷釘封接機、錐退火爐裝載機。
  11. Frame for pre - heater at kiln inlet will adopt steel structure to save investment, accelerate erection speed and beautify building

    改進窯尾工藝布置,窯尾器塔架設計為鋼結構,既可加快施工安裝進度,節省投資,又可美建築。
  12. Combine together matcha tea powder and hot water in a bowl. melt chocolate over a hot - water bath. preheat the oven to 175c / 350f

    抹茶粉用水調勻備用。座水融巧克力。烤箱到175c / 350f 。
  13. The heated-air system provides rapid heating of the air entering the carburetor when the engine is cold.

    發動機處于冷態時,空氣裝置能迅速提供的空氣進入油器。
  14. Initialize warm - up time

    初始時間
  15. Determination and calculation method of heat balance of special equipments for alumina production - part 11 : tube prepare - high pressure autoclave system

    鋁生產專用設備平衡測定與計算方法第11部分單套管-高壓釜溶出系統
  16. In order to make investigators know about the current research state of preparation of the carbon / graphite materials with high density and strength from mesocarbon microbeads, and direct the research, development and production, in this review, the influence of preparaed mesocarbon microbeads from various raw materials and methods of preparation, ball diameter of carbosphere, preoxidation temperature and time, moulding pressure and time, heat treatment temperature and heating rate, holding time on the mechanical properties and microscopic structure of carbon / graphite product were discussed by us

    摘要為了對中間相炭微球制備高密高強炭石墨材料的研究現狀有所了解,並且對實驗和實際生產起到指導作用,本文通過參閱大量中外文獻,討論了不同原料及制備方法制得的中間相炭微球、炭微球的球徑、溫度及時間、成型壓力及時間、處理溫度及升溫速率、保溫時間對炭石墨製品的力學性能及微觀結構的影響。
  17. These produels are produced by the techniques same with chemical bonded non - sintered bricks with semi - silica raw materials, they have high strength, good heat insulating and alkali resistant properties, they are mainly applied to the zones of large - sized cement rotary kilns which are croded badly by alkali, for example, the input zone, preheater, three - windtunnel, and decomposing zone

    本產品採用半硅質原料,以學結合不燒工藝生產而成,它具有強度高、隔效果好、抗堿侵蝕能力強的特性,主要用於大型水泥回轉窯筒入料區段、器、三次風管和分解帶等堿侵蝕嚴重的部位。
  18. 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工廠在役管式加負荷和效率低的狀況,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段的負荷;增加輻射管的換面積;修正煙囪高度;換用新型燃燒器,變自然通風為強制供風,以增大燃燒器的發量,減小過剩空氣系數,節省燃料2 % 3 % ;在對流段和煙囪之間增設空氣器以提高空氣入爐溫度;採用高溫輻射塗料增強輻射換效果,從而增加源對爐壁的輻射傳量和爐管的傳量等。
  19. 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工廠在役管式加負荷和效率低的狀況,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段的負荷;增加輻射管的換面積;修正煙囪高度;換用新型燃燒器,變自然通風為強制供風,以增大燃燒器的發量,減小過剩空氣系數,節省燃料2 % 3 % ;在對流段和煙囪之間增設空氣器以提高空氣入爐溫度;採用高溫輻射塗料增強輻射換效果,從而增加源對爐壁的輻射傳量和爐管的傳量等。
  20. Material balance and energy balance equations of complex multi - effect evaporation system were expressed in matrix equation, which has the advantages of clear structure and high modularization. by holding or omitting correlation block - matrix in matrix equation, matrix equation could be used to describe the difference of forward - feed, back - feed and cross - reed multi - evaporation system with or without solid separation, extra steam being led off to preheat material liquid, condensation water flash, or solution flash. the models include design and operation

    該模型利用矩陣方程具有結構清晰和高度模塊的特點,將復雜多效蒸發系統的物料及量衡算方程組以矩陣形式表達,通過保留或舍棄矩陣中特定功能模塊,模型就能代表有或無固相析出、有或無引出額外蒸汽原料液、有或無冷凝水閃蒸、有或無溶液閃蒸等不同情況以及各種情況任意組合的併流、逆流、錯流多效蒸發過程,從而實現模型的通用性。
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