ash rate 中文意思是什麼

ash rate 解釋
灰分比
  • ash : n 1 〈常 pl 〉 灰。2 〈pl 〉灰燼;廢墟。3 〈pl 〉骨灰,遺骨;〈詩〉遺骸。4 灰色,蒼白。5 碳酸鈉 ...
  • rate : n 1 比率,率;速度,進度;程度;(鐘的快慢)差率。2 價格;行市,行情;估價,評價;費,費用,運費...
  1. The beginning experiment shows : after disposed by this installation, the doffmg - charcoal rate of original fly ash can achieve 29 %

    初步試驗結果表明,原狀粉煤灰經本試驗裝置脫炭處理后,脫炭率達到29 ,具有一定的脫炭效果。
  2. The results showed that : there were five stages in the rising process of the internal temperature of untreated, fire - retardant solution soaked, and fire - proof paint coated wood during the fire ; the carbonization rate of wood decreased by 21. 1 % ~ 35. 6 % and the rising speed of internal temperature also declined greatly when wood was soaked in fire - retardant solution or coated with fireproof paint ; the carbonization rate of white pine was 8. 5 % ~ 17. 4 % higher than that of the northeast china ash ; for untreated wood, the carbonization rate in tangential direction was 5. 8 % ~ 10. 5 % higher than that in radial direction ; the internal temperature of wood varies with the developing direction of combustion

    結果表明:火災發生過程中未處理木材、阻燃浸漬處理和塗刷防火徐料木材內部溫度上升過程出現5個階段;經過阻燃浸漬處理和塗刷防火塗料后,木材的燃燒炭化速度降低了21 . 1 % ~ 35 . 6 % ,內部溫度上升速度大幅度下降;白皮松木材的燃燒炭化速度比水曲柳木材的燃燒炭化速度快8 . 5 % ~ 17 . 4 % ;未處理木材沿弦向的燃燒炭化速度比徑向快5 . 8 % ~ 10 . 5 % ;木材內部的溫度變化沿燃燒推進方向不同而不同。
  3. This paper first discusses the cause of crack formation and crack mechanism of high performance concrete. then carries out crack tests of three groups of concrete slabs using aggregate type, sand rate and dosage of fly ash as design parameter

    本文初步探討了泵送高流態混凝土的裂縫成因和開裂機理,並分別以骨料品種、砂率以及粉煤灰摻量為設計參數進行了三組配合比混凝土平板的抗裂試驗。
  4. It is proved by the practice that this control system enhances the using rate of equipments, and increases the reliability of the ash removing system ; the distributed structure of the system disperses the danger in production process ; the long - distance control mode ensures the security of operators. therefore the dcs of plc is worth generalizing and applying in power plants

    實踐證明,這套系統提高了設備的利用率,增加了除灰系統的可靠性;集散的系統構成方式,使生產過程中的危險分散化;遠離現場的自動控制方式也保證了操作人員的人身安全,值得大力推廣和應用。
  5. 136 of 169 enterprises of formula feed and concentrated feed producing were measure up, the rate of fitness was 80. 47 %. 314 of 352 samples of formula feed and concentrated feed products were measure up, the rate of fitness was 89. 20 %. the main problems of these products were content of crude protein, crude ash and aflatoxin bl not in accordance with its standard

    結果表明:在抽查的169家我省配合飼料和濃縮飼料生產企業中,產品全部合格的136家,企業合格率為80 . 47 ;在抽查的352批次樣品中,合格314批次,樣品合格率為89 . 20 。主要問題是粗蛋白質、粗灰分、黃麴黴毒素b _ 1等項目不合格。
  6. In order to improve the pavement performance of lime - fly ash stabilized aggregates and make coarse aggregates form skeleton, the paper confirm the rate of voids of the mixed aggregates by the method of vibrating test

    為了改善二灰碎石基層的路用性能,使粗集料( 31 . 5mm 4 . 75mm )能夠形成骨架結構,本課題通過振實試驗方法研究了不同粒徑粗集料混合后的空隙率。
  7. 3 the design theories of cooling pipe of play down internal temperature of mass concrete about diameter, length, arrange method, rate of flow, current velocity, reduce heat time, temperature disparity to in and out, reduce heating result etc. 4 the theory of influence about concrete internal temperature and concrete crack because of transform of mixture ratio and pulverized fuel ash sophisticate quantity

    西安建築科技大學博士生論文一;一;一一『一一一3降低大體積混凝土內部溫度常用的冷卻水管的管徑、長度、布置方法、水流量、流速、降溫時間、進出水口的溫差、降溫效果等的設計計算理論。 4配合比及摻加料對混凝土內部溫度和混凝土開裂的影響理論。
  8. It is indicated that the hydration process of cement - based materials with slag, fly ash and silica fume is different in some degree from that of neat cement because of the difference in mineral structure and hydration mechanism. the periods of accelerating, decelerating and terminating are prolonged and hydration reaction decelerates. the second peak of rate curve of the heat evolution could be divided into two small peaks, which are contributed to the hydration of clinkers and mineral mixtures at the temperature of 30 but when temperature comes to 50, the two small peaks combine into one and the reaction accelerates

    結果表明,與硅酸鹽水泥相比,由於礦物摻合料與水泥熟料在活性和水化機理上的差異,水化歷程有較大的改變:多組分體系誘導期、加速期和衰減期延長,水化反應速率明顯降低;低溫時,水化放熱速率曲線上的第二放熱峰細化成分別對應于熟料和礦物摻合料水化的兩個小峰;高溫時,反應速率加快,雙峰合併;進一步研究發現,摻合料的種類與摻量對水化歷程也有較大的影響;建立了適用於多組分水泥基材料不同水化階段的水化動力學方程。
  9. When they mix each other, in one rate, they can compensate it ' s defect and improve the compability. 5 ) in the concrete with slag or fly ash, the changing of addition has more affection in slag ' s concrete than fly ash

    5 )摻礦渣和粉煤灰的混凝土,外加劑摻量的變化對摻加礦渣的混凝土中的水泥與外加劑的相容性影響大於摻加粉煤灰的混凝土中水泥與外加劑的相容性。
  10. In this paper, through the cfd modeling of the ash - agglomerated fluidized bed gasifier, the gas molar concentration distributions in the bed with the influences of the oxygen flow rate from the central nozzle, the steam flow rate from the distributor and the pressure of the bed are studied

    摘要通過cfd模擬了灰熔聚流化床氣化爐,考察了操作條件包括中心管氧氣量、分佈板水蒸氣量以及操作壓力對流化床氣化爐的氣相濃度分佈的影響。
  11. To the common concrete, adding fly ash or blast furnace slag can decrease the shrinkage rate, but adding silica fume deteriorate the shrinkage rate

    其早期收縮主要是塑性收縮,而後是冷縮和自收縮,長期收縮以乾燥收縮為主。
  12. By texting the erosion of the hot - state of the ash after burning the mixed coal of shenmu coal and datong coal in the 4 proportions of 1 : 0, 3 : 1, 2 : 1, 2 : 2, it is found that the relation of ash rate to erosion rate is nonlinear, that is, the erosion rate does not increase with the increase of the proportion of the higher ash rate coal

    對神木煤與優大同煤兩個煤種的4種配煤比例(神木:大同, 1 : 0 , 3 : 1 , 2 : 1 , 2 : 2 )燃燒后所得灰樣進行熱態沖刷磨損試驗,發現配煤中含灰量與磨損量呈非線性關系,即含灰量較大的煤摻入比例增加時,磨損量並不會相應增加。
  13. Abstract : sewage sludge briquette made of 2 % ( dry basis ) sewage sludge, 0. 3 % white earth, and coal powder was studied under conditions of briquette similar to modeling and gasificaition for briquette on ammonia synthesis. briguette with white earth was taken as a reference. the results showed that rate of gasification of sewage sludge briquette was 50 % higher than that of briquette of white earth at 1100. ash melting point of sewage sludge briquette reached 1440 which satisfied the requirement of gasification of ammonia synthesis. results showed that no pollution took place in these processes, and the gas generated can meet the demand of ammonia synthesis

    文摘:以污泥添加量為2 % (干基)白泥添加量為0 . 3 % (干基)所制得的污泥型煤為研究對象,以白泥添加量為5 . 5 %的白泥型煤作為參照,考察了污泥型煤的氣化特性和二次污染.研究結果表明,在1100以上高溫下,污泥型煤的氣化速率比白泥型煤高50 %以上;污泥型煤的灰渣軟化溫度達1440 ,能滿足合成氨氣化要求;污泥型煤無二次污染,其氣化成分符合合成氨原料氣的要求
  14. Using this system, research on nox emission and burnout characters of the test facility are carried out. the results of influence on nox emission and carbon in fly ash by coal type, coal particle diameter, furnace temperature and excess air are reached through tests. then micronized coal reburning tests are processed, which show a remarkable effect results on nox reduction and burnout rate

    通過大量的試驗,得出了煤種、煤粉細度、爐膛溫度和過量空氣系數等因素對nox排放和煤粉燃燼率的影響趨勢;並在此基礎上研究了超細粉再燃對脫氮效果和燃燼性能的作用,試驗結果表明超細煤粉再燃對降低nox排放和飛灰含碳量具有明顯的效果。
  15. Aimed at solving the problem that high content of unburned carbon is unfavourable for the comprehensive ultilization in scale of fly ash, the fundamental principle that separation of unburned carbon from fly ash is theoretically analyzed by wet flotation and dry electro - separation, three factors and two levels orthogonal test for flotation and two factors and three levels test for electro - separation were conducted, furthermore, the primary factors and law affecting separating efficiency in flotation and electro - separation were obtained. the results show that wet flotation can give 7. 34 % of the cleaned coal yield rate, which contains 44. 53 % of ash content and 56. 02 % of separating efficiency, while dry electro - separation can reduce the content of carbon in separated fly ash to 3. 16 % and remove 53. 12 % of carbon from fly ash

    針未燃炭含量過高不利對粉煤灰大規模綜合利用的問題,從理論上分析了粉煤灰濕法浮選和干法電選分選未燃炭的基本原理,進行了三因素二水平正交浮選試驗和二因素三水平的正交電選試驗研究,得到了影響浮選和電選分選效果的主要因素及其規律.試驗表明:採用濕法浮選法可獲得精煤產率為7 . 34 % ,灰分為44 . 53 % ,分選效率為56 . 02 %的分選效果;採用干法電選,選后粉煤灰的含碳量可降到3 . 16 % ,脫碳率達53 . 12 %
  16. Abstract : aimed at solving the problem that high content of unburned carbon is unfavourable for the comprehensive ultilization in scale of fly ash, the fundamental principle that separation of unburned carbon from fly ash is theoretically analyzed by wet flotation and dry electro - separation, three factors and two levels orthogonal test for flotation and two factors and three levels test for electro - separation were conducted, furthermore, the primary factors and law affecting separating efficiency in flotation and electro - separation were obtained. the results show that wet flotation can give 7. 34 % of the cleaned coal yield rate, which contains 44. 53 % of ash content and 56. 02 % of separating efficiency, while dry electro - separation can reduce the content of carbon in separated fly ash to 3. 16 % and remove 53. 12 % of carbon from fly ash

    文摘:針未燃炭含量過高不利對粉煤灰大規模綜合利用的問題,從理論上分析了粉煤灰濕法浮選和干法電選分選未燃炭的基本原理,進行了三因素二水平正交浮選試驗和二因素三水平的正交電選試驗研究,得到了影響浮選和電選分選效果的主要因素及其規律.試驗表明:採用濕法浮選法可獲得精煤產率為7 . 34 % ,灰分為44 . 53 % ,分選效率為56 . 02 %的分選效果;採用干法電選,選后粉煤灰的含碳量可降到3 . 16 % ,脫碳率達53 . 12 %
  17. With the carbon content of dry ash - free basis increasing, the ignition activation energy increase and the reaction rate fall

    乾燥無灰基固定碳含量增加,其著火活化能逐漸升高,反應速率逐漸降低。
  18. If magnesia is added excessively, it will cause crack, even crash. 5. the autoclave expansion of wecam and its rate reduce under other fixed condition when fly ash ( pfa ) content increases

    4 .在其它條件不變的情況下,外摻氧化鎂混凝土的壓蒸膨脹率隨著氧化鎂摻量的增加而增大,且其增幅也隨之加大,控制不當,會造成混凝土開裂甚至潰散。
  19. The paper designs some teams of different mix proportion concrete according to the different replacement of the recycled aggregates and fly ash, and researches their working properties and mechanical properties, and analyses influence factors of the working properties and the mechanical properties of the recycled concrete such as the replacement rate of recycled aggregates, the replacement amount of fly ash, surface treatment of recycled aggregates, adding the high range water reducing agents and mineral admixture, etc. the paper researches the durability of recycled concrete as to the sulphate - corrosion resistance, the permeability resistance, the frost - resistance, etc. and analyzes some factors, as to the replacement of recycled aggregates, the replacement of fly ash, the surface treatment of recycled aggregates, adding high range water reducing agent and mineral admixture, bring the influence to the properties of recycled concrete, and analyzes the economic feasibility of the application of the recycled concrete

    本文根據再生骨料和粉煤灰的不同取代率設計了幾組不同配合比的再生混凝土,對其工作性能和力學性能進行了研究,分析了再生骨料的取代率、粉煤灰的取代量、表面處理再生骨料及摻加高效減水劑和礦物外加劑等因素對再生混凝土的工作性能和力學性能的影響。本文根據配製的再生混凝土對其抗硫酸鹽侵蝕性能、抗滲性、抗凍性等耐久性進行了研究,分析了再生骨料的取代率、粉煤灰的取代量、表面處理再生骨料及摻加高效減水劑和礦物外加劑等因素對再生混凝土的這些性能的影響。並對再生混凝土的應用進行了經濟可行性分析,為再生骨科和再生混凝土的應用提供了有利的支持。
  20. Circulating water was used for washing ash - water in the thermal power plant of yizheng chemical fibre company, which led to a low concentration rate of 1. 6 as well as scale and corrosion problem of condenser copper pipes

    摘要儀化熱電廠將循環水用作沖灰水,導致濃縮倍率只有1 . 6以及凝汽器銅管腐蝕結垢嚴重。
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