煤焦比 的英文怎麼說
中文拼音 [méijiāobǐ]
煤焦比
英文
coke ratio-
In recent years at iron - making plant of pangang, the coke ratio of pig iron has reduced evidently by insisting on “ burden preparation ” course, improving quality of sinter, raising wind temperature, increasing rich oxygen quantity and injecting abundant pulverized coal into bf. the solid fuel consumption of sinter has been decreased greatly through insisting on using high - quality calces, practising high feed sintering, actualizing many techniques in solving key problems. at the same time, the energy source base management has been strengthened, and energy - saving work has made great progress, profits generated by energy - saving have exceeded a hundred million yuan
近年煉鐵廠通過堅持「精料」方針,改善燒結礦質量,提高風溫,增大富氧,實施大噴煤,使入爐焦比有明顯下降;燒結堅持用好生石灰,推行厚料層燒結,實施多項技術攻關,固體燃耗大幅度下降;同時加強能源基礎管理,節能工作取得長足進步,節能創效益1億元以上。The destructive distillation of bituminous coal, done in the absence of air in order to obtain coke and other fractions having a greater percentage of carbon than the original material
碳化作用煙煤的分解蒸餾,在沒有空氣的條件下進行,為得到比最初的原料所含碳的百分比大得多的焦煤以及其它餾分Methods for analysis and testing of coal and coke - liebig method
煤和焦炭分析與試驗方法.第106部分:李比格法The reactivity of different kind of coals, the reactivity of the same coal with different lithotype, and the reactivity of char with different carbon conversion rate were checked by using the specific maximum weight loss rate, and the results were analyzed and compared with those obtained by using other criteria
定義試樣在熱天平非等溫實驗中的最大失重速率與該樣品乾燥無灰基含碳量的商為最大比失重速率,採用最大比失重速率對不同煤種、同一煤種的不同宏觀煤巖和同一宏觀煤巖不同燃盡度煤焦等試樣的反應性進行了判斷,同時與採用其他判據的判斷結果作了對比。The graphitized cathode block samples have been trial - produced using high quality eca ( electrically calcined anthracite ) rationed petroleum coke and pitch coke and quantitative pitch used as raw materials by the conventional carbon technics concluding moulding, baking, high pressure impregmating, after - baking and graphitization
摘要選取優質電煅無煙煤,分別配以一定比例的石油焦和瀝青焦作為骨料,與煤瀝青混合后按照模壓成型、焙燒、高壓浸漬、二次焙燒和石墨化等常規炭素製品生產工藝流程制備石墨化陰極材料試樣。Abstract : coke saving measures in the recent , years at pangang are summarized according to various ways of beneficiated materials , high blast temperature , oxygen - enriched blast , pulverized coal injection rate and improvement of blast furnace operation , the effect of related smelting factors on coke rate is investigated in combination with the production data and moreover further measures for reduction of coke rate are proposed
文摘:從精料、風溫、富氧和噴煤量以及改善高爐操作等方面總結了攀鋼近幾年來採取的節焦措施,並結合生產數據分析了有關冶煉因素對焦比的影響,同時提出了進一步降低焦比的措施。It shows that with a metallization degree of burden more than 40 per cent, blast furnace can t be operated with oxygen enriched blast. combining lower burden metallization degree with oxygen enriched blast and coal injection, higher coal injection rate and higher productivity can be obtained. by use of higher burden metallization degree lower coke rate can be obtained than oxygen enriched blast and coal injection
結果表明:爐料金屬化率達到40后,高爐不能富氧操作;較低的爐料金屬化率與富氧噴煤相結合,能夠獲得更大的噴煤比和更高的產量;使用金屬化率較高的爐料,能夠比富氧噴煤達到更低的焦比。Applying fuzzy control theory, the prediction of coke rate based on blast temperature, blast temperature and coal injection rate is respectively discussed in the paper. actual production data were used to conduct the model calculations. the research showed that the predicted results were in good accordance with actual ones
運用模糊控制理論探討了根據風溫預報焦比以及風溫、噴煤預報焦比的問題,利用某廠實際生產數據進行模擬實驗得到了較好的預報效果。Abstract : according to material and local heat balance in the blast furnace, refering to the result of oxygen enriched blast and coal injection into blast furnace and use of metallized burden, the influence of burden metallization degree on oxygen enriched - coal injection rate 、 coke rate and productivity is calculated
文摘:根據高爐物料平衡和區域熱平衡理論,參照高爐富氧噴煤和使用金屬化爐料的冶煉結果,計算了爐料金屬化率對富氧噴煤率、焦比和產量的影響。An economic and technological comparison is made of methanol units based on anthracite, coke oven gas and bituminous coal, the conventional process is adopted, and the whole unit is optimized, thereby lowering the production cost of methanol, with remarkable competitive superiority on the market
通過對以無煙煤、焦爐氣、煙煤為原料甲醇生產裝置的經濟技術對比,採用傳統工藝並對全裝置進行優化,可以降低甲醇生產成本,在市場中仍具有顯著的競爭優勢。Ruburning with coal has been proved a effective low nox emission combustion technology 。 in this ph. d thesis, the reaction mechanisms of reburning have been investigated, and the homogeneous and heterogeneous reduction of nox have been analyzed in details. a series of reburning experiments have been carried out on an entrained - flow reactor, in which two kinds of coals with different particle sizes have been used
本文對煤粉再燃過程中,揮發分及煤焦的基元反應途徑和反應機理進行了詳細分析;在攜帶爐實驗臺上進行了神華煤、邢臺煤在1200與1300 、四種煤粉細度、三種再燃燃料比和三種再燃區初始氧量,共144個實驗工況下的再燃實驗。Tar content in the gas was influenced by the gasification conditions, such as the gasification temperature, residence time of feedstock in the gasifier and the type of feedstock, which can help us to investigate the mechanism of tar production in gasification process. catalytic cracking of tar was performed in a downstream secondary fixed - bed cracker with dolomite, limestone and alumina brick as catalysts. by comparison, thermal cracking of tar was also performed with silica carbide
在固定床二級催化裂化反應器上,實驗了白雲石、石灰石、高鋁磚等幾種催化劑作用下的焦油催化裂化過程以及炭化硅作用下的熱裂化過程,並對裂化溫度( 650 950 ) 、氣相停留時間( 0 . 5 1s )和催化劑類型等過程參數對焦油轉化效果和熱解煤氣的影響進行了分析,對各種催化劑材料的性能進行了比較,力爭開發出可適用於工業化生物質氣化系統的焦油催化裂化技術。Standard tables for volume and specific gravity correction for creosote, creosote - coal tar solution and coal tar
雜酚油雜酚煤焦油和煤焦油的體積和比重標準修正表Results show that the specific maximum weight loss rate can be used as a commonality parameter to evaluate and distinguish the reactivity of different coal and char, and that the heating rate selected in tga experiment has no effect on the judgment
結果表明,最大比失重速率作為比較物質反應性的判據具有一定的通用性,能夠較好地區分不同煤焦之間的反應性;熱天平試驗升溫速率對判斷結果沒有影響。Reaction parameters under kinetic control of coal - char pyrolysis and limestone calcination under o _ ( 2 ) / n _ ( 2 ) and o _ ( 2 ) / co _ ( 2 ) atmosphere on the thermobalance were obtained. the effect of different ratio of o _ ( 2 ) and co _ ( 2 ) ( n _ ( 2 ) ) to coal - char reaction was also discussed. simulated calculation was just consistent with the thermogravimetric test results
採用熱天平( tga )對兩種煤焦顆粒和兩種石灰石顆粒分別在o _ 2 / co _ 2氣氛、 o _ 2 / n _ 2氣氛下的反應特性進行了研究,得出了處在化學動力學控制區域內煤焦和石灰石的反應動力學參數,以及o _ 2與co _ 2 ( n _ 2 )比例關系的變化對煤焦和石灰石熱重反應的影響,並且對試驗結果通過理論分析進行了模擬計算。Coke oven gas has many uses, hut its composition is very complicated, restricting its development and utilization
摘要焦爐煤氣的用途比較廣泛,但其成分非常復雜,制約了其開發利用。The combustion conditions in a circulating fluidized bed ( cfb ) boiler are much different from a pulverized coal firing ( pf ) boiler. however, this dissertation has confirmed that coal char in cfb boiler will also experience reactivity loss and ordering of turbostratic carbon structure, which have been reported by many researchers whose work were mainly restricted to pf conditions
本文通過獲得在cfb燃燒條件下熱解和燃燒過程中的焦碳,對其反應性、亂層碳結構、礦物質催化作用和比表面積等進行了系統研究,指出cfb鍋爐和煤粉爐同樣存在焦碳亂層碳結構有序化和焦碳反應性下降(失活)現象,並全面分析了焦碳失活的機理。Analysis and comparison of the combustion speed of coal water slurry and pulverized - coal coke particles
煤粉與水煤漿焦炭顆粒燃燒速度的分析和比較Residual carbons have also been collected from two industrial cfb boilers and a pilot cfb combustor, as well as from coal particles burning statically in open air
比表面積變化較小,與焦碳失活無關。中低溫燃燒下,不同煤中存在的礦物質的催化作用不一樣。分享友人