爐前分析 的英文怎麼說

中文拼音 [lúqiánfēnxī]
爐前分析 英文
bath analysis
  • 前 : Ⅰ名詞1 （在正面的） front 2 （次序在先的） first; top 3 （過去的; 較早的） ago; before; preceding...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 析 : Ⅰ動詞1. （分開; 散開） divide; separate 2. （分析） analyse; dissect; resolve Ⅱ名詞（姓氏） a surname
  1. Our company has advanced and developed equipments, including two 5 - ton cupolas, two 1 - ton electric furnaces, one automatic molding line, one quantometer and complete with other clean - ing and analyzing equipments

    公司擁有先進的設備和完善的設施。目前有五噸化鐵爐二臺、一噸電爐二臺、自動造型線一套、光譜分析儀一套以及其它各類清理和機械分析設施齊全。
  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、低溫段過熱器前煙溫高達936 ，遠遠超過815的設計值；噴燃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；甚至有時因燃煤質量的變化，必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中，燃燒器的結構、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工況，從而影響爐內的傳熱和燃燒，造成爐膛出口超溫、水冷壁結渣等問題。
  3. Through measuring residual swhirling flow field in the flue duct of a real boiler, and analysing layout features of front and back platen supe - heaters in large - scale tangential firing boilers, the flue gas energy distribution regularity in horizontal flue duct of tangential firing boilers has been studied

    摘要通過對實際鍋爐煙道煙氣殘余旋轉流場的測量及大型切圓燃燒鍋爐前、后屏過熱器的布置特點分析，研究了切圓燃燒鍋爐水平煙道煙氣能量的分佈規律。
  4. First of all, this paper analyses present problems existing in the boiler combustion monitor system of power plants, then put forward the signification to realize precision measurement for the primary and secondary air speed of boiler and the necessary conditions to solve efficaciously this problem

    本文首先分析了目前電站鍋爐燃燒監測系統中存在問題，提出鍋爐實現一、二次噴口風速準確測量的重要性以及有效解決該問題所需要滿足的必要條件。
  5. The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine

    用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌：用xrd進行原料物相分析，及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度；用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性；用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化；用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試；採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定；用萊次偏光顯微鏡（ pm ）測試固體潤滑劑的硬度；用材料試驗機測試固體潤滑劑的抗壓強度等。
  6. For the limitation of the former soviet union boiler unit heating calculation standard methods in 1973 in the boiler furnace ， panel and platen superheater ， this paper puts forward the new methods of the boiler heating calculation

    分析了前蘇聯73年鍋爐機組熱力計算標準方法中爐膛、分隔屏過熱器和屏式過熱器計算方法的缺陷，初步提出鍋爐熱力計算新方法。
  7. In accordance with a boiler whose capacity is 1025t / h in a certain power plant ， this paper builds the heating calculation model of new method and the former soviet union method, finds the solutions to the model under the designed coal quality, compares the results with the design data, verifies and analyzes the new heating calculation model

    針對某電廠1025鍋爐機組，按照新方法和前蘇聯方法分別建立熱力計算模型，在設計煤質下對模型進行求解，將計算結果與設計數據進行比較，對新方法進行驗證和分析。
  8. The company has close technological cooperation with the experts of zhejiang province precise casting association precise casting special committee, has stronger ability in designing, development and making mould, can design or process according to the drawing or real kind according to user ‘ s enquiry, the products material adopts the spectrum analysis instrument which is produced in france to analyse in front of carrying on the stove, guarantee that the products material accords with the international steel grade standard, product quality gets the unanimous favorable comment of every large manufacturer both at home and abroad

    公司與浙江省鑄協精鑄專秀會專家緊密技術協作，具有較強的設計、開發、製作模具的能力，可根據用戶要求按圖紙或實樣進行設計，加工，產品材質採用法國產光譜分析儀進行爐前分析，確保產品材符合國際鋼號標準，產品質量受到國內國際各大廠商的一致好評。
  9. Furthermore, the growth and the study of self - organized quantum dots structures become more and more important recently, and the application of self - organization technique become wider and wider in this thesis, we address the theory of film growth and the growth technique firstly more, the ways and characteristics of surface detection are prescribed we mainly report the growth process, results and discuss of self - organized quantum dots structures in the a12o3 substrates by s - k mode using ecr - mocvd, in the espd - u device the growth art of ain epilayer which is the preliminary foundation of self - organized gan / ain quantum dots structures, including the substrate cleaning, nitridation, the growth of buffer and the growth of gan and ain epilayer, is discussed we deliberately compare the test result of rheed xrd and afm and achieved the optimalized condition of ain at last we have successfully realized the growth of ain which is much smooth and better crystal quality moreover, we grow the self - organized gan / ain quantum dots structure in s - k mode because the limits of the heater temperature, we can not grow the atom - smooth epilayer of ain until now so we could not grow better quantum dots which have small diameter and big density but the self - organized quantum dots structures with better quality will be realized successfully if the substrate temperature is increased the thesis study belong to my tutor subject of national nature science foundation ( 69976008 )

    本論文主要論述了在espd - u裝置上，採用電子迴旋共振等離子體增強mocvd （ ecr - pamocvd ）方法，在藍寶石襯底上通過s - k模式自組裝生長gan aln量子點結構的生長工藝、結果及討論。而重點分析了自組裝生長量子點之前的aln外延層生長工藝，包括襯底清洗、氮化、緩沖層的生長和gan 、 aln外延層的生長；通過高能電子衍射、 x射線衍射和原子力顯微鏡測試，並且對這些測試結果進行了詳細的比較研究，得出了較優化的工藝條件，生長出了晶質較好、表面較平整的aln外延層；進而採用s - k模式自組裝生長了gan aln量子點結構。由於實驗裝置加熱爐溫度的限制，我們沒有能夠生長出原子級平滑的aln外延層表面，因而沒能夠生長出密度比較大和直徑比較小的量子點。
  10. The defect of crack in the engine block of 8170 diesel engine has beem researched and analyzed, which can be solved and avoided through the following measures : optimizing the structure of engine block casting, improving alloying technology, perfecting pouring process and adopting normal inoculation before furnace and metal - stream inoculation during the period of pouring

    摘要對8170缸體裂紋缺陷進行了探討分析，通過優化鑄件結構，改進合金化工藝，完善澆注工藝以及隨流孕育與爐前孕育工藝相結合等措施，使裂紋缺陷解決。
  11. The objects and significance of automatic control in steelmaking and gas analysis in converter dynamic control are introduced

    摘要介紹了目前國內外煉鋼過程的自動化控制的意義及其現狀，闡述了轉爐爐氣分析動態控制技術的基本組成和工作原理。
  12. Abstract : point at the properties of taigamg bf burden composition and the raw material of sintering, the necessity and outlook of using mps technique were analyzed

    文摘:針對太鋼高爐的爐料結構和燒結原料特點，分析了在該廠推廣應用小球團燒結技術的必要性和前景。
  13. 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。
  14. We select crm without coal as reference ; select semi - dynamic atmosphere to operate machine ; use the method fixing the temperature of hearth and that of sample holders when the analysis begins, which ensures the consistency of heating samples ; adopt the dta curve of " at - t " to analyzing crm heat, which decreases possible influences from the fluctuation of heating velocity ; draw conclusions that crm proportion and granularity influence the analysis little, but not crm moisture and coal species ; advise that there be a warm - up to the crm with much moisture before analysis and a modification to the crm with variable species of coal ; then obtain the feasible operation conditions and operation curve ( together with the curve function )

    選用白生料作標樣；選用準動態測定氣氛；採用恆定爐膛溫度（ 650 ）和固定支持器初始溫度（ 60 ）的方法，確保了樣品受熱過程的一致性；採用「 t ? ? t （時間） 」 dta曲線分析生料熱，減少了升溫速率的微弱變化對測定結果的可能影響；得出生料配比和細度對差熱儀測定結果影響小、生料水分和煤品種影響大的結論，並提出對大水分生料測定前要進行預熱處理、對不同品種煤的測定結果要進行修正的建議。最終，得到了差熱儀適宜的工況條件和工作曲線（及方程） 。
  15. Abstract : the structure, characteristics and application of or dina ry coal - dust - injection guns used in blast furnaces is introduced and the reaso ns the curved coal - dust - injection gun should replace straight one and ceramic - lined composite gun head should replace straight stainless steel one have been put fo rward. the performance of curved guns used at baosteel and shougang and the pros pect of this new type of gun has been given

    文摘:對目前國內高爐採用的普通型煤粉噴槍的結構、特點及使用情況進行了分析並指出其不足，提出了將直煤槍改為彎煤槍；用陶瓷內襯復合彎槍頭取代不銹鋼直槍頭的觀點與理由，給出了陶瓷內襯復合彎槍在寶鋼、首鋼高爐的應用情況，並對其發展進行了展望。
  16. 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。
  17. Abstract : by means of mineralogical study of earlier slag samples of the flash furnaceanalyze the mineralogical composition and its variation, so that expose oxidation atmosphere in furnace and required controlled parts in the later smelting

    文摘:本文通過對閃速爐前期爐渣的礦物學研究，分析礦物的組成及變化情況，以揭示爐內氧化氣氛的強度及在後期冶煉中需注意控制的部分。
  18. Has analyzed the existing thermal power plant boiler superheat vapor temperature governign system control strategy, proposed exports the vapor temperature using the boiler the rate of change and the chamber exports the haze temperature to take the forward feed signal, the solution superheat vapor temperature adjustment hysteresis quality

    分析現有熱電廠鍋爐過熱蒸汽溫度調節系統的控制策略，提出利用鍋爐出口蒸汽溫度的變化率和爐膛出口煙氣溫度作為前饋信號，解決過熱蒸汽溫度調節的滯后性。
  19. Abstract : in experimental conditions, simulating reducing atmosphere in blast furnace, the samples of al2o3 - c brick is heated at high temperature. the microscopic structure of al2o3 - c brick is observed by scanning electric telescope before and after heating and compressive strength and rupture strength are measured. on the base of them, the reason resulting in the changes is analyzed

    文摘:在實驗室條件下模擬高爐還原氣氛高溫處理鋁碳磚試樣，觀察處理前、后鋁碳磚的顯微組織形貌的變化，並測定其抗壓、抗折強度，分析引起這種組織變化的原因
  20. This article emphatically discussed and analyzed following points : load command feed forward function can improve the rapid respond character of steam turbine generator ; lead of load command have advance control function on boiler main control and can highly improve the stability of main steam pressure ; the use of predict control and state space variable function can improve the quality of boiler steam temperature control effectively, control the steam temperature in the defined range and increase the boiler and turbine life and efficiency even if working state changed in a big range ; linear compensation can restrain the vibration of generator load in the condition of big loa d change

    本文重點討論、分析提出負荷指令前饋作用可以提高汽輪發電機快速響應特性；負荷指令的導前功能對鍋爐主控有超前控製作用，能顯著提高主蒸汽壓力的穩定性；採用預測及狀態空間法能有效改進鍋爐蒸汽溫度控製品質，在大幅度工況變化下仍有效控制蒸汽溫度在額定范圍內，提高鍋爐、汽輪機壽命及其效率；汽輪發電機組的快速響應性與汽輪發電機組負荷振蕩問題間的平衡關系，採用線性補償可以有效抑制在負荷變化梯度較大情況下發電機負荷振蕩問題。
分享友人
分享到 Line

分享到臉書