refining steel 中文意思是什麼
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Metallurgical problems in heat - resistance steel composition design of deoxidizing ladle for refining mg
煉鎂還原罐的高溫破壞形式及其防護對策 -
The loss of deoxidizing elements resulting from thermal decomposition of lining materials and the change of total oxygen in molten steel during vim refining are researched
摘要研究真空感應熔煉過程中因爐襯材料熱分解造成的脫氧元素燒損及其全氧含量的變化規律。 -
The grain refining process for 18ni 2450mpa martensite aged steel
馬氏體時效鋼細化晶粒工藝 -
Abstract : the contrast experimental trials of three refining processes are car ried out for ladle bottom bubbling with nitrogen, nitrogen - argon or argon. the results show that the nitrogen content in steel has an important influence on the stretchability of steel wire
文摘:進行了鋼包底吹氮、底吹氮-氬和底吹氬三種精煉工藝對比試驗，結果顯示，鋼中對鋼絲拉拔性能影響顯著。 -
Using the opened thermosiphon of 38x3 as experimental element and water as working fluid, the characteristics of dynamic low load boiling, stable severe boiling heat transfer coefficient and critical heat flux are gotten for the opened thermosiphon at the pressure of 0. 02 - 0. 1mpa and 0. 1 - 0. 8mpa respectively, which makes up the drawback that the opened thermisiphon has not yet accurate boiling heat transfer relationship formulas. by means of experimental results, an opened thermisiphon waste heat recovery boiler is designed for the high temperature gases that the positi e electrode copper refining furnace exhaust, which overcomes effectively the drawback of short life, little capacity and unable to inspect that the closed steel - water thermosion has
本文以工程上常用的38 3的開口封底為實驗元件，以水為工質，對開啟式熱管內的動態低負荷沸騰、穩態旺盛沸騰及臨界沸騰特性進行系統的可視化實驗研究，實驗壓力為0 . 02 0 . 8mpa ，實驗得出了38 3的開口封底管在工作壓力為0 . 02 0 . 8mpa和0 . 1 0 . 8mpa下的管內沸騰傳熱系數及臨界熱負荷計算關聯式，彌補了開口封底管? ?這一新型傳熱元件尚無準確的沸騰換熱關聯式的缺陷。 -
That is because the remaining 33 % of the company held by essar, an indian steel and oil - refining conglomerate, includes 22 % held offshore
這是因為埃薩爾這家印度鋼鐵和煉油集團擁有和記埃薩爾33的股份，而其中的22屬于外國公司。 -
After adopting the process computer and mathematical model in rh vacuum refining process, the quality of liquid steel is improved, the yield is increased and the energy consumption is reduced
在rh爐外精煉處理過程中，採用過程計算機與過程式控制制數學模型對rh生產過程進行優化控制，對進一步提高鋼質量，實現高效、低耗生產具有重要意義。 -
Pan gang refining vanadium and steel - making plant is the main productive plant of panzhihua steel group
攀鋼提釩煉鋼廠是攀鋼（集團）公司的主體生產廠礦。 -
After decades development, the facility and technology of rh vacuum refining has become mature, it has been applied widely in the processing of liquid steel
經過幾十年的發展， rh真空精煉的硬體設備和工藝技術已經越來越成熟， rh真空精練已經被廣泛的應用在鋼水處理流程中。 -
It ' s pointed out that, under the condition of vim refining, the amount of oxide inclusions residue in molten steel increases with the increased loss of deoxidizing elements, and the key of melting extra - low oxygen steel is to avoid the thermal decomposition of lining material ; the size of deoxidizing products increases with the increased degree of supersaturation of deoxidizing elements ; larger inclusions granules found in extra - low oxygen steel come mainly from lining material
結果表明，在真空感應熔煉條件下，殘留在鋼中的氧化物夾雜數量隨脫氧元素鋁燒損量增加而增加，熔煉超低氧鋼的關鍵是避免爐襯熱分解；脫氧產物尺寸隨脫氧元素過飽和度增加而增加；超低氧鋼的大顆粒夾雜主要來自爐襯材料。 -
The machine is stainless steel multilayer frame filter. it is fit for enclosed filter in liquids with concentration 50 %, low viscosity and little slag so as to meet precision filter and half - precision filter requirements like refining, sterilization and clarification. by directly using microporous membrane, material can achieve aseptic filtration without passing microporous membrane filter
本機為不銹鋼多層板框式過濾機，適用於濃度50 %以下粘度較低，含渣量較少的液體作密閉過濾以達到提純，滅菌、澄清等精濾、半精濾的要求，直接選用微孔濾膜，可不經微孔薄膜過濾器過濾可達到無菌過濾之目的。 -
The secondary refining technology of steel for heavy rail has been comprehensively discussed in view of processes, equipment and automatic control, which provides valuable references for the production of the steel for heavy rail
從工藝、設備、自動控制等方面對重軌鋼的爐外精煉技術進行了較全面的論述，對重軌鋼鐵生產具有較好的參考價值。 -
Vanadium is important and valuable in steel - making, electronic production and national defence industry etc. now, the operation pattern of refining vanadium in our nation is based on human experiences, and the automation degree is still at a low level. operation mode based on human experiences is one of the main reasons make the quality of semi - steel and vanadium product unstable. in developed contury such as russian, static model was used to control the process of vanadium refining
我國目前的轉爐提釩為人工操作模式，由操作人員根據經驗和感覺進行操作，自動化水平低，存在著釩渣質量和半鋼質量不穩定的問題；在國外，俄羅斯等一些國家已經在使用靜態模型對提釩過程進行控制，取得了較好的效果，但是這些模型大都是根據復雜的物理化學規律研製的機理模型，要求有非常穩定的生產流程和工藝條件，對于鐵水成分、生產設備等變化的適應性差，不但移植困難，而且模型價格異常昂貴。 -
The company is a sino - foreign joint - venture enterprise, incorporating smelting, electroslog, refining, forging, steel rolling and tool manufacturing. it has production lines for high speed steel, mould steel, hss circular saw blades, face - sides cutters, mould, blocks, pre - hard fine plate, garden knives, alloy special cutters and planer knives, as well as six production lines for heat treating. the nano coating center is production base for tool & mould steel productions in domestic
公司是一家集冶煉、電渣重熔、鍛造、軋鋼、精整、工具製造於一體的中外合資企業，擁有高速鋼、冷、熱作模具鋼生產線，高速鋼圓鋸片、三面刃銑刀、模具預硬精板、木工刨刀生產線，高溫熱處理、表面鍍層研發加工中心，是國內最專業的工模具鋼製品化生產基地。 -
Effect of deforming method on grain - refining in 20mn2 steel containing zrc particles
2鋼晶粒細化的影響 -
The company is specialized in producing of mesh - belt continuous sintering furnace 、 pusher - type high temperature sintering furnace 、 steel - belt iron powder refining reduction furnace （ electric - heating rbo furnace and direct gas - burning heating rbo furnace are also produced ） 、 pressure bell type furnace 、 carburizing quench furnace and some kinds of accessorial equipments
目前生產項目有：網帶式連續燒結爐、推桿式高溫燒結爐、蒸汽處理爐、鋼帶式鐵粉還原爐（電加熱、氣體燃燒直接加熱rbo型均生產） 、加壓鐘罩爐、滲碳淬火爐及各種輔助設備。 -
After the optimization of optimization of its production mix and upgrade of its business by persisting in the strategy of " make leading toadvantages ", - tonggang has owned a series of sophisticated process equpments, such as sec - ondary refining, high efficient continuous casting, sections continuousroll - ing, small sections rolling, hith speed wire rode rolling steel strand produ - ction lines and so on. it strengthens the developing momentum of the enterprise in the new century
通鋼集團堅持實施品牌戰略，走精品名牌發展之路，依託科技進步，優化產品結構，推進產業升級，現已形成以轉爐精練、高效連鑄、型鋼連軋高速線材、小型連軋、鋼絞線等為主體的具有國際、國內領先水平的工藝裝備，全面增強了企業發展后勁。 -
Experimental research on heat equilibrium of sulphide capacity about refining slag system in ultra low sulphur steel
極低硫鋼精煉渣系硫容量熱平衡試驗研究 -
Thermodynamic fundamentals for zero inclusion super clean steel and the refining process
超級純凈鋼精煉理論與工藝探討 -
Steel and iron manufacturers also extensively use oxygen or oxygen - enriched air to affect chemical refining and heating associated with carbon removal and other oxidation reactions
鋼鐵製造商還廣泛使用氧或富氧空氣來影響同除碳和其它氧化反應相聯系的化學精煉和加熱。
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