精選的煤 的英文怎麼說

中文拼音 [jīngxuǎndeméi]
精選的煤 英文
colliery screened
  • 精 : Ⅰ形容詞1 （經過提煉或挑選的） refined; picked; choice 2 （完美;最好） perfect; excellent 3 （細）...
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 的 : 4次方是 The fourth power of 2 is direction
  • 煤 : 名詞（黑色固體礦物） coal
  • 精選 : 1. [礦物學] concentration2. （精心挑選） carefully chosen; culling; choice; edulcorate; concentrate
  1. The mechanism and control methods of non - magnetics polluted coal processing by flotation

    磁尾污染浮選精煤的機理研究
  2. Research and improvement of fine cleaned coal desliming technology for coal preparation plant

    選煤廠末精煤脫泥工藝的研究與改造
  3. 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
  4. 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
  5. Application of plc in the cenetralized control reform in qitaihe coal preparation plant

    在七臺河精煤公司選煤廠集控改造中的應用
  6. The floatation concentrate of anthracite ( ant ) was heat - treated with different maximum heat treatment temperature ( httmax ). the microstructures of the samples heat - treated with different httmax were characterized by their densities and xrd spectra

    將無煙煤（ ant ）的浮選精礦進行不同最高熱處理溫度（ htt _ （ max ） ）的熱處理，用密度和xrd圖譜來表徵熱處理后ant試樣的微觀結構。
  7. 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 %
  8. 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 %
  9. Nhi mainly provides research and development, design, manufacturing and services of the significant technology equipments of crushing & grinding, ore dressing, metal rolling and dressing shearing, tunnel boring, bulk material transporting and handling, synthetic excavating, construction machinery, transmission machinery, particle board, environmental protection and military and large castings and forgings for metallurgy, mining, coal, power, building material, port, chemical industry, environment industries

    簡介：北方重工主要為冶金、礦山、煤炭、電力、建材、港口、化工、工程、環保等行業提供破碎粉磨、礦物洗選、燒結球團、金屬壓延和精整剪切、隧道掘進、散料輸送和裝卸、煤礦綜采、工程機械、傳動機械、人造板、環保、軍工等重大技術裝備及大型鑄鍛件的研發、設計、製造和服務。
  10. The author of this article used orthogonal test design, arranged the test scheme scientifically, selected material carefully, at last yielded an high strength lightweight aggregate concrete material ( hslacm ), whose compressive strength exceeded 50 mpa and quality under 1950kg / m3, mainly by using 42. 5 ordinary portland cement, expanded fly ash aggregate, silica fume, superplasticizers and so on

    本文是在廣泛閱讀國內外有關資料的基礎上，採用正交設計，科學地安排試驗，精心選材，用42 . 5普通硅酸鹽水泥、粉煤灰陶粒、硅灰、高效減水劑等材料，採用一般工藝配製出了一種抗壓強度超過50mpa 、質量低於1950kg m ~ 3的高強輕骨料混凝土材料。
  11. The efficient cyclonic microbubble flotation column technology recovering clean coal from slime

    從煤泥中回收精煤的高效旋流微泡浮選柱技術
  12. In view of the main causes of the concentrate pollution formation in fine particle flotation and the characteristics of coal slurry flotation, the mechanism of the micro - bubble cyclo - flotation columm is analyzed which includes its comprehensive utilization of micro - bubble flotation, counter - current flotation and in tensification of centrifugal field by cycloning. its structure, characteristics and industrial application effect are presented

    針對細粒浮選中精礦污染形成的主要原因及煤泥浮選特點，主要分析了旋流微泡浮選柱綜合利用微泡浮選、逆流浮選、旋流離心力場強化分選的機理，並介紹了旋流微泡浮選柱的結構、特點及工業應用的效果。
  13. Abstract : throug analyzing on the separating process of qixing preparation plant, brought forward several recreate policy to improve separating fine size and reduce the capital, so as to increase economic efficient

    文摘:通過對七星選煤廠分選工藝的分析，提出了幾個改進措施，以提高其分選精度，降低噸煤成本，提高經濟效益。
  14. Research and practice of slime recovery by flotation column and press filter

    利用浮選柱及精煤壓濾機回收煤泥的研究與實踐
  15. To improve the quality and quantity of coking products and the present and main chemical products ), put the resource in order ( that is to say processing the coal tar further and developing the more refined chemical products ), diversify the products ( that is to say, except the coking and coal products, struggling to exploit the other products and business in order to gain the new economic development ). based on optimization and choice to the managing strategies above, the paper points out clearly that strategy of implementing the kernel competition strength is the necessary choice of coking co., ltd ' s realizing its fast development

    通過對焦化公司內外部環境的分析，提出了焦化公司基本的經營戰略方案，即集中發展當前的產品和服務（集中焦化公司大部分資源，進一步提高焦炭產品的質量和目前的主要化工產品的質量和產率） 、垂直整合（進行煤焦油的深加工，開發更多的精細化工產品） 、集中多樣化（除焦炭與煤氣產品外，還應積極開發其它產品或業務，尋求新的經濟增長點） 。通過對上述經營戰略方案的優化與選擇，明確地提出實行核心競爭力戰略是焦化公司實現其跨越式發展的必然選擇。
  16. Test study on clean coal air replacement dewatering for fine coal floatation

    細粒浮選精煤氣體置換脫水的實驗研究
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