coal wall 中文意思是什麼

coal wall 解釋
採煤工祖
  • 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 ...
  • wall : n 1 墻壁；（石、磚等的）圍墻；城墻。2 （形狀、用途）像墻壁的東西，障壁；土堤，堤防。3 （礦井、容...
  1. Application of back grouting water sealing technology for wall of coal bunker

    煤倉倉壁注漿堵水技術應用
  2. This article aims at the boiler ' s problems in operation : 1 ) under nominal load, the smoke temperature at the outlet of hearth reaches 1200, far more exceeds 1050 the original designed temperature. this will always result in slag inside boiler and the temperature of overheater ' s pipe superheat, so that boiler cannot take nominal load and all these influence boiler ' s nomal operation heavily, 2 ) this article also studied the reason why the assistant oil becoming necessary when coal changes. during the nomal operation, many factors ( makeup of combustor and its disposal, smirch and encrust of water wall, excessive air coefficient, temperature of primary air, coal type and density of coal dust ) can deviate the designed working conditions, then affect the boiler ' s nomal operation

    本文針對該鍋爐在實際運行中存在的問題：在額定負荷下，爐膛出口超溫、低溫段過熱器前煙溫高達936 ，遠遠超過815的設計值；噴燃器四周水冷壁結焦嚴重，過熱器管壁溫度超標，無法帶上額定負荷；甚至有時因燃煤質量的變化，必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中，燃燒器的結構、布置，水冷壁的粘污、結垢，過剩空氣系數、一次風溫、煤種及其濃度變化等許多因素都會偏離鍋爐的設計工況，從而影響爐內的傳熱和燃燒，造成爐膛出口超溫、水冷壁結渣等問題。
  3. Alignment grows wall to put coal back work face to adopt regional security to mine of study

    走向長壁放頂煤回採工作面仰采區域安全開採的探討
  4. This paper is to take the test model of a 1mw pulverized coal furnaces of four wall - tangentially - fired as the research subject

    本文以一臺1mw的四墻切圓煤粉燃燒室為研究對象，對爐內的速度場以及顆粒的運動軌跡進行了計算分析。
  5. Gpr is a newly developed hi - tech survey technique used to detect shallow ground electric differences. we applied gpr to more than 100 projects in zhujiang river delta and hongkong, and obtained good reputations. the application scope involves stratigraphics division, outining of filled stones in the muddly beach, geotechnical prospecting of old wall, karst detecting in the limestone terrain, caving detecting, landslide and slop surveing, the division of wea - thering zone, onion weathering zone, fracture zone and fau - lted zone in the granite area, detecting of buried objects cable, metal nonmetal pipe, channel, air raid she - lter etc. underground in the urban city, archaeology, tracing of orebody, coal measures strata division, testing of the dam and grouting site, quality checking of the surface and foundation of the highway

    的一種高新技術。我公司運用世界最先進的探地雷達設備在珠江三角洲地區和香港開展了百余項探地雷達檢測項目，獲得了良好的聲譽，並被作為深圳市建設局1998年度建設科技成果推廣項目。它主要應用於：山體土石方檢測路基不同回填物界面檢測填海回填物巖溶檢測樁基無損檢測地下管道探測地下隱蔽物探測考古斜坡滑體探測地質結構探測湖底探測高速公路路面及路基檢測。
  6. Study on influence factors of rib fall of coal wall in mining workface

    採煤工作面煤壁片幫影響因素研究
  7. Methane emission rate prediction in fully - mechanized excavated faces based on initial speed of methane emission of coal wall

    基於煤壁瓦斯湧出初速度的綜掘工作面瓦斯湧出量預測
  8. Cement injection of perforating holes in a frozen pipe is a wholly - new technology for consolidating shaft wall rock and stopping water of frozen shafts in coal mines

    凍結管射孔注漿是在對石油輸油井射孔技術和地面注漿技術進行研究的基礎上，開發出的一種用於煤礦凍結井筒圍巖加固和堵水的全新技術。
  9. Abstract : cement injection of perforating holes in a frozen pipe is a wholly - new technology for consolidating shaft wall rock and stopping water of frozen shafts in coal mines

    文摘:凍結管射孔注漿是在對石油輸油井射孔技術和地面注漿技術進行研究的基礎上，開發出的一種用於煤礦凍結井筒圍巖加固和堵水的全新技術。
  10. The fluxion model of gas and the gas pressure formula were decided in the surrounding of bore wall firstly, and according to the relation of gas content and gas pressure, the theory calculation formula of gas loss quantity was deduced, and finally, the revision method of original coal gas pressure was brought

    摘要首先確定了孔壁周圍瓦斯的流動模型及瓦斯壓力表達式，進而根據瓦斯含量與瓦斯壓力的關系，推導出了瓦斯損失量的理論計算公式，最後提出了瓦斯壓力的修正方法。
  11. Gas even store in coal seam, and outstanding on rock wall piece which is destroyed by mining, somining, so it is a typical geological science question to prevent the gas accident of the colliery from occurring

    瓦斯不均勻地的貯存在煤層中，突出於采動破壞的巖壁段，防止煤礦瓦斯事故是一個典型的地學問題。
  12. The ignition processes of two stages pc are studied. the influence of particle diameter distribution, parameters of two coal - air mixture, wall temperature of first ignition chamber is investigated

    數值模擬方法的建立，為感應加熱煤粉無油點火的研究開拓了研究思路，提高了研究進度，降低了研究成本。
  13. It is discovered that the combustion condition of the second stage pc is up to the outlet temperature of the first stage pc and the content of combustible gases in first stage flue also plays positive effect on the ignition of second stage pc. the effects of parameters of two coal - air mixture, wall temperature of first ignition chamber and annular filling air on imfit are studied experimentally in this thesis. in this thesis, the numerical simulations of ignition and combustion of pc in imfit are conducted

    本文通過建立數學模型，對感應加熱煤粉多級無油點火進行數值模擬，研究了一級煤粉煤粉在點火室內的著火過程和二級點燃過程、煤粉粒徑分佈對煤粉多級無油點火的影響，研究了一級點火室壁面溫度、一級煤粉氣流和二級煤粉氣流的風粉參數在煤粉多級無油點火過程中的影響規律；根據二級點燃段的流場和溫度場分佈，研究了環形夾心風推遲二級煤粉著火的機理。
  14. In order to loosen the coal, the miners made holes in the dividing wall and filled them with explosives.

    為了使煤層松動，礦工們在隔墻上打了炮眼，裝進了炸藥。
  15. Application of steel wall - mounted spiral chute in coal mines

    鋼結構壁掛式螺旋溜槽在煤礦中的應用
  16. This machine is applicable to various concrete burned bricks from wasted residues such as coal and slag. these bricks can replace the red brick we use now. they are the first choice of material for wall reform

    Qt3 - 25qt10 - 15型全自動砌塊成型機，該機適用生產此粉煤炭礦渣等廢渣為原料的各種混凝土免燒磚：如實心磚，多孔磚等，該產品可代替現有的紅磚，是墻體改革的首選材料。
  17. It mainly includes new - type cement and wall - building material with coal gangue, industrial waste and fly ash as the raw material ; neody mi um - iron - boron material, nano - material, fire - resistance material, kaolin earth material, high - performance ceramic and fiber material, magnetic material, silicon - manganese alloy, and other nonferrous metal materials, along with production technologies of green environmental, clean materials and so on

    以煤矸石、粉煤灰、工業廢渣為原料的新型水泥和新型墻體材料、釹鐵硼材料、納米材料、耐火材料、高嶺土材料、高性能陶瓷和纖維材料、磁性材料、硅錳合金等有色金屬新材料，以及綠色環保、清潔材料的生產技術等。
  18. Method of main shaft wall construction expansion clay in lu xi coal mine

    魯西煤礦主井井筒施工膨脹性粘土段措施
  19. Regularity and characteristics of ground pressure when rapid advancing implemented in short - wall fully - mechanized top coal caving face

    短壁綜放面快速推進礦山壓力顯現規律與特徵
  20. Analysis of freeze shaft wall damage in dongrong no. 3 coal mine

    東榮三礦凍結段井壁破壞原因簡析
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