ash content of coal 中文意思是什麼

ash content of coal 解釋
煤灰分
  • 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 ...
  • content : n 1 容積，容量，含量，【數學】容度；收容量。2 【哲學】內容 （opp form）；要旨，真意。3 〈pl 〉內...
  • of : OF ＝Old French 古法語。
  • coal : n 1 煤，煤塊，煤堆。2 〈pl 〉〈美國〉（一堆）燒紅的煤。3 〈常 pl 〉〈英國〉（幾塊）供燃燒的煤。4 ...
  1. The influence of coal characteristic indices such as caloricity, ash content, and water content on the coal handling system is discussed in the aspects of economy and reliability

    從經濟性和可靠性角度分析探討了煤的發熱量、灰分、水分等衡量煤質的特性指標對輸煤系統的影響。
  2. Method for determination of coal tar pitch ash content

    煤瀝青灰分測定方法
  3. The qitaihe coal resources isadvantageous, the coal field total area 8, 000 square kilometers, haveverified the geological reserve 1. 7 billion tons, the prospectivereserves 4. 2 billion tons, the coal plant completely, has the cokingcoal, 1 / 3 coking coal, the gas coal, the anthracite and so on 10varieties, by coking coal primarily ; excellent in quality, has theespecially low phosphorus, especially low characteristic and so onsulfur, high heat value, high ash melting point, high silicon content, most is suitable for the coal chemical industry product thedevelopment, is national one of three big protections mining rare coalfields, is the heilongjiang province most important anthraciteproduction base, also is the national important coking coal and thenortheast area biggest high quality coke production base

    七臺河煤炭資源得天獨厚，煤田總面積8000平方公里，已探明地質儲量17億噸，遠景儲量42億噸，煤種齊全，有主焦煤、 1 / 3焦煤、氣煤、無煙煤等10個品種，以主焦煤為主；品質優良，具有特低磷、特低硫、高發熱值、高灰熔點、高硅含量等特點，最適于煤化工產品的開發，是全國三大保護性開采稀有煤田之一，是黑龍江省最重要的無煙煤生產基地，也是國家重要的主焦煤和東北地區最大的優質焦炭生產基地。
  4. When fillings is other materials ( unprocessed montmorillonite, powder coal ash, co - composite of powder coal ash and organo - montmorillonite, co - composite ofcarbonizing calcium and organo - montmorillonite ) in the binder and content of organo - montmorillonite in the binder is five percent decided by tensile - shear experiment, tensile - shear strength of binder is up to tiptop ; at the same time, this paper carries out abrasion experiment, and, by comparison, concludes abrasion property of coating is optimum when content of organo - montmorillonite in the binder coating is five percent, and observes abrasion sample under set

    當膠粘劑中填料為其它物質（未處理蒙脫土、粉煤灰、粉煤灰和有機化蒙脫土共復合、碳化鈣和有機化蒙脫土共復合）時，通過拉伸剪切試驗確定膠粘劑中有機化蒙脫土含量為5時，膠粘劑的拉伸剪切強度最高；同時進行了沖蝕磨損試驗，通過比較得出，當膠粘劑塗層中有機化蒙脫土含量達到5時，塗層的耐沖蝕磨損性能最佳，並對沖蝕磨損試樣在掃描電子顯微鏡（ set ）上進行觀察。
  5. Factors having an influence on carbon content in fly ash during the combustion of coal - water slurry and their control

    水煤漿燃燒飛灰含碳量的影響因素及控制
  6. The effects of coal types, temperature and ash content in coal on the char gasification with co2 were examined

    用隨機孔模型模擬北宿煤反應速率與碳轉化率的關系曲線，與未反應芯縮核模型和混合模型模擬結果比較。
  7. To work out proper index of checking carbon content in fly ash according to variety of coal grades

    根據煤質變化合理制訂飛灰含碳量考核指標
  8. The automation of coal flotation has been wandering for many years in china. the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry, ignoring the quantity and quality of the products. aiming at this problem, method of measuring the flotation technical parameters was studied, the slurry level meter and the slurry ash - measuring device were worked out, and the computer control system of the coal flotation was designed. the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed. the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world. the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery, a decrease of the reagent consumption, ensuring a highly efficient operation

    浮選自動化在我國多年來徘徊不前，一直採用根據入浮煤漿中的干煤泥量來確定加藥量的前饋控制方法，而不直接以產品的數質量指標作為控制目標，導致浮選生產效率較低.針對上述問題，研究了浮選工藝參數的檢測方法，開發了浮選漿位儀和煤漿測灰儀，設計了浮選計算機控制系統，它根據煤漿測灰儀旁線檢測的精煤灰分，運用模糊控制技術，通過調整浮選藥劑添加量和浮選機漿位，來實現浮選過程的反饋控制.工業性試驗表明，煤漿測灰儀的性能指標接近國外先進水平.煤泥浮選測控系統在淮北選煤廠的現場使用，使浮選生產在精煤灰分合格的前提下，得到了較高的產率，並降低了藥劑用量，從而保證選煤廠高效率地運行
  9. Abstract : the automation of coal flotation has been wandering for many years in china. the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry, ignoring the quantity and quality of the products. aiming at this problem, method of measuring the flotation technical parameters was studied, the slurry level meter and the slurry ash - measuring device were worked out, and the computer control system of the coal flotation was designed. the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed. the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world. the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery, a decrease of the reagent consumption, ensuring a highly efficient operation

    文摘:浮選自動化在我國多年來徘徊不前，一直採用根據入浮煤漿中的干煤泥量來確定加藥量的前饋控制方法，而不直接以產品的數質量指標作為控制目標，導致浮選生產效率較低.針對上述問題，研究了浮選工藝參數的檢測方法，開發了浮選漿位儀和煤漿測灰儀，設計了浮選計算機控制系統，它根據煤漿測灰儀旁線檢測的精煤灰分，運用模糊控制技術，通過調整浮選藥劑添加量和浮選機漿位，來實現浮選過程的反饋控制.工業性試驗表明，煤漿測灰儀的性能指標接近國外先進水平.煤泥浮選測控系統在淮北選煤廠的現場使用，使浮選生產在精煤灰分合格的前提下，得到了較高的產率，並降低了藥劑用量，從而保證選煤廠高效率地運行
  10. Part of content about fluidized bed thermodynamic calculation in the 《 layer and fluidized combustion thermodynamic calculation standard for industrial boiler 》 ( jb / dq1060 - 83 ) are discussed the computing equation of fly ash carbon content and the thermal equilibrium equation in the dense phase considering evaporation of water of unburned coal are given. the revise necessary is provided through calculating examples

    對jb / dq1060 - 83 《層狀燃燒及沸騰燃燒工業鍋爐熱力計算標準》中沸騰爐熱力計算的部分內容進行了探討，導出了沸騰層飛灰含碳量計算式和考慮未燃煤水分蒸發的沸騰層熱平衡方程，通過算例說明了修正的必要性。
  11. 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 %
  12. 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 %
  13. For dual energy gamma ray coal ash gauge, the error induced by inten sity averaging is consisted of two parts, the error caused by thickness change and by ash content change the magnitudes of the two errors are compared using app roximate analytical expressions under a simplified change pattern

    定向斷裂爆破技術是利用聚能管改變巷道周邊眼裝藥結構，爆破時，利用聚能作用控制裂隙的方向和數量，以獲得較好的爆破效果的技術；它與傳統的光面爆破技術有較大的差別。
  14. Methods for analysis and testing of coal and coke - determination of ash content

    煤和焦炭分析和試驗方法.灰分含量的測定
  15. The development and correct application of - ray coal ash content apparatus

    射線煤灰分測量儀的發展及正確使用
  16. Methods for analysis and testing of coal and coke - proximate analysis - determination of moisture content of the general analysis test sample - determination of ash

    煤和焦炭的分析和試驗方法.近似分析.一般分析試樣潮濕度的測定.灰分測定
  17. Coal storage in silos according their ash content by application of an on - line ash monitor

    應用在線式測灰儀實現煤炭按灰分入倉
  18. This paper applied a new method to measure the unburned carbon content in fly ash of pulverized coal - fired boiler on line, and developed a microwave analyzer of flue type to determine the carbon content of fly ash

    本文提出了一種在線測量燃煤鍋爐中飛灰含碳量的方法，開發研製了煙道式飛灰含碳量微波測量系統。
  19. Carbon content of fly ash is one of the important indicators of economy and technology in burning coal boiler of power plant. it indicates efficiency of coal burning in boiler

    飛灰含碳量是電廠燃煤鍋爐的主要運行經濟指標和技術指標之一，它標志著鍋爐中煤燃燒的程度。
  20. Algorithm of on - line soft sensors model of carbon content of fly ash in coal - fired boiler

    電站鍋爐飛灰含碳量在線軟測量模型演算法
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