重質煤油 的英文怎麼說

中文拼音 [zhòngzhíméiyóu]
重質煤油 英文
mineral seal oil
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 煤 : 名詞（黑色固體礦物） coal
  • 油 : Ⅰ名詞1 （脂肪; 油脂） oil; fat; grease 2 （姓氏） a surname Ⅱ動詞1 （用桐油、油漆等塗抹） apply t...
  • 重質 : heavy hydrocarbon oil
  • 煤油 : kerosene; paraffin煤油燈 kerosene lamp; 煤油爐 kerosene stove
  1. 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。
  2. The loca | n320gear oil used in gearbox of coal mill, the gears appeared pitting and scuffing, meanwhile shocking and noise increased, the oil oxidized and sludge formed

    磨煤機齒輪箱使用n320齒輪油，造成齒輪點蝕，齒面嚴重磨損，振動及噪音增大，油質氧化，產生油泥。
  3. Extensive experiment on tar cracking was performed on bench - scale tar catalytic cracking test system in itpe. cold trapping was used for tar sampling and gravimetric analysis of tar samples was performed to achieve tar content in flue gas

    在分析該領域研究現狀的基礎上，建立了實驗室規模生物質氣化焦油催化裂解實驗系統，採用冷態捕集方法進行焦油取樣，採用重度分析方法對焦油樣品進行分析以確定煤氣中焦油含量。
  4. The joint british - afghan survey found significant deposits of natural gas, petroleum and coal ; copper, chromate, talc, barites, sulphur, gold, lead, zinc, iron ore and salt ; and precious and semi - precious stones including high - quality rubies, emeralds and much of the world ' s supply of lapis lazuli ( pictured )

    英阿聯合勘測隊發現了意義重大的天然氣、石油和煤礦；銅、鉻酸鹽、石膏、重晶石、硫磺、金、鉛、鋅、鐵和鹽礦；富含高質量紅寶石的寶石和亞寶石礦，以及世界上大多數的天青石資源（如圖） 。
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