coal cutting 中文意思是什麼

coal cutting 解釋
采[截]煤。

  • 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 ...
  • cutting : n 1 切斷，切下；切片；【園藝】扦插，插條；〈英國〉剪裁，（報紙等的）剪輯；（寶石等的）加工，琢磨...
  1. Failure analysis and countermeasure of cutting reducer of coal cutter with lateral arrangement multi - motor

    多電機橫向布置採煤機截割減速器失效分析與對策
  2. Drill bit for coal cutting

    電煤鉆頭
  3. An improved mode of coal cutting is recommended aiming at the specifical status of surface collapse of coal field in yanzhou city, and several control policies on restoration and reclamation of collapsing land are also put forward

    針對兗州礦區的具體塌陷狀況提出了改進採煤方式、對塌陷土地進行恢復和復墾等幾點防治措施。
  4. Because the kinds, structure, storage and stratification of coal are different, it is difficult to analyze the effect factor on coal cutting power. based on a lot tests, the change rule of cutting parameter with cutting power is discussed, it is an important basis for designing, researching and selecting mining equipment, prcessing and technical reform

    由於煤炭的種類、結構、賦存和層理的不同，給分析影響煤炭切削力因素帶來了困難，在大量實驗的基礎上，討論了切削力隨切削參數的變化規律，為設計、研究、選擇採掘設備、開采工藝、技術改造提供了重要依據。
  5. The results indicate that a stable deformation localization band occurs in the coal cutting course and develops to macroscopic crack ; the deformation localization band is slantwise ; while the cutter tooth is used, the deformation localization develops slowly, and the localization becomes wider and the strain value in the band area higher afterwards ; when the point - attack pick used the localization develops quickly and the localization band becomes narrow and the strain value in the band lower

    研究表明：截齒截割煤體過程中，煤體出現穩定的變形局部化帶，且最終發展為宏觀裂紋；煤體變形局部化帶為一個傾斜帶：刀齒截割時，變形局部化發展較慢，但產生變形局部化后，局部化帶寬且帶內應變值較高；而鎬齒截割時，變形局部化發展較快，但產生局部化后，局部化帶窄且帶內應變值不如刀齒高。
  6. Abstract : because the kinds, structure, storage and stratification of coal are different, it is difficult to analyze the effect factor on coal cutting power. based on a lot tests, the change rule of cutting parameter with cutting power is discussed, it is an important basis for designing, researching and selecting mining equipment, prcessing and technical reform

    文摘:由於煤炭的種類、結構、賦存和層理的不同，給分析影響煤炭切削力因素帶來了困難，在大量實驗的基礎上，討論了切削力隨切削參數的變化規律，為設計、研究、選擇採掘設備、開采工藝、技術改造提供了重要依據。
  7. The frozen coal destruction is the tension stress destroys, and establish the frozen coal cutting model in this foundation, obtains the cutting force, feeding force, tooth spacing according to the smallest energy principle. bring forward a rotary drilling mothod to unload the frozen coal, the broken ability is strong, without frozen depth limits, then obtains this machine working parameters, has combined this method with a grab and determined the plane of vehicle - carried rotary drilling movable coal - unloader

    凍煤破壞是拉應力破壞，在此基礎上建立了凍煤的切削模型，根據最小能量原理得到截割力，進給力和截齒間距的計算公式，分析得到截割力與切削厚度成正比，隨著前角的增大而減小;截齒最優截距與截齒尺寸有關且與切屑厚度成正比;進給力隨著截齒前角增大而增大的規律。
  8. The distribution of minerals in cws was analyzed by means of cutting coal into slices in order to investigate the influence of minerals on stability of cws

    用切片法考察了幾種礦物在水煤漿體系中的分佈情況，並探討了礦物對水煤漿穩定性的影響規律。
  9. Robert and slogger were still cutting coal when david reached them.

    當大衛到達羅伯特和斯洛格跟前時，他們還在採煤。
  10. Based on the cutting experiments used by cutter tooth and point - attack pick on the press and cutting simulation test table, the deformation and failure process of coal body are studied by the method of white light digital speckle correlation

    摘要採用白光數字散斑相關測定方法，在壓力機上，在截割模擬實驗臺上分別對煤試件進行刀齒、鎬齒的截割實驗，研究被截割煤體的變形破壞過程。
  11. Abstract : a new type of coal cutter with special cutting plate operated by outside power has been put forward based on thin seam mining after analyzed the adaptability of coal planers and shearers. this analysis shows that this type of thin seam coal mining equipment has obvious characteristic and actual reference value for manufacturing a new kind of thin seam coal cutter

    文摘:通過對刨煤機和滾筒式採煤機的適應性分析，對薄煤層的開采提出了一種新型的外設動力截盤式滾筒採煤機，研究分析表明，作為薄煤層採煤設備具有明顯的特點，對研製新型薄煤層採煤機有著實際參考價值。
  12. Reasearch of cutting diagram and lump coal rate of cutting drum intellectualized cad software

    軟體中切削圖與塊煤率的研究
  13. The burners of 220 t / h boiler in henan shenhuolv power plant were retrofitted by using the pulverized coal burners with stabilized - firing cavity and cutting down the distance between up - primary air and down - primary air etc. technologies, thus the boiler was successfully converted from originally designed burning high calorific value coal to low calorific value coal, the boiler could operate stably at 50 % load without oil - firing aid and the thermal efficiency of boiler reached 89 %

    摘要採用穩燃腔煤粉燃燒器並集中布置上、下一次風等技術對河南神火鋁電廠220t / h鍋爐燃燒器進行改造，成功地將該爐原設計燃用優質煤改燃為普通煤，並取得了改造后50 %負荷可無油穩定運行，鍋爐熱效率達到89 %的良好效果。
  14. Theoretical analysis of energy dissipation during coal impact cutting

    沖擊破煤過程中能量耗散的理論分析
  15. The construction methods and caving protection measures for punching high thick and loosen soft coal seam in luling coal mine no. 2 dark tilt well in huaibei coal mine area are introducded. they include small section enlarged after the heading caving, high negative pressure and multi - raw drilling holes and strenous drawing - off, concentrated cross drill holes, cutting while drawing - off and putting the metal frame away

    介紹了淮北礦區蘆嶺煤礦2主暗斜井採用小斷面導硐后刷大、高負壓多排鉆強抽，密集交叉鉆孔邊掘邊抽及設置金屬骨架施工方法和防突措施揭穿高突特厚松軟煤層。
  16. Study on cutting experiments of austenitic manganese steel riding wheel in coal mine

    煤礦大型高錳鋼托輪的切削試驗研究
  17. Via the analysis of heat balance computation model and the computation of online heat balance for industrial coal boiler, this dissertation researched overall input heat, efficient utilized quantity of heat, heat losing of discharge flue gas, heat losing of chemistry and mechanism incomplete combustion, heat losing of dispelling heat of boiler, heat efficiency, air superfluous coefficient, wind speed, wind quantity, computation of primary air circle cutting and whose influence on boiler combustion efficiency

    本文通過對工業煤粉鍋爐熱平衡計算模型的分析，利用在線熱平衡計算，研究了總輸入熱、有效利用熱量、排煙熱損失、化學不完全燃燒熱損失、機械不完全燃燒熱損失、鍋爐散熱熱損失、熱效率、空氣過剩系數、風速、風量及一次風切圓計算以及這些因素對鍋爐燃燒效率的影響。
  18. Discussion on coal mining rate of full - dimenssion cutting and top coal caving technology

    一次采全高和放頂煤工藝采出率問題分析
  19. Research and application of cutting method in preventing and controlling coal and gas outburst prominent

    掏槽法防治煤與瓦斯突出的研究與應用
  20. Probe of reducing top coal loss by using of cutting top coal first fall interval

    減少頂煤初垮步距降低煤損的探討
分享友人
分享到 Line

分享到臉書