gas dew point 中文意思是什麼

gas dew point 解釋
天然氣露點
  • gas : n （pl gases ）1 氣，氣體，氣態 〈cf fluid; solid〉 2 可燃氣，煤氣，沼氣；【礦物】瓦斯。3 【軍事...
  • dew : n. 1. 露；露水一樣的東西（淚等）。2. 爽快，清新，輕快。vt. 噴濕，（露水等）弄濕。vi. 結露水。 It dews. 結露水。
  • point : n 1 尖頭，尖端；尖頭器具；〈美國〉筆尖；接種針，雕刻針，編織針；小岬，小地角；【拳擊】下巴。2 【...
  1. Because calculated dew point of gas is about from 85 to 110, so we should consider low temperature corrosion

    計算了陜北天然氣露點為85 ? 110 。因此將排煙溫度降低到60后，考慮了低溫腐蝕的問題。
  2. Abstract : the causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %

    文摘:分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰器漏水，蒸汽引起露點腐蝕及吹灰效果差造成對流室積灰，排煙溫度高，煙氣熱量未回收利用以及爐子保溫襯里效果差等問題，提出採用聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的流程調整等改造措施.測定結果表明，本次技術改造解決了因蒸汽吹灰器漏水所造成的露點腐蝕問題，提高了保溫效果，減少散熱損失1 . 25 % ，排煙溫度降至170左右，裝置的爐效率由83 %左右提高到90 %以上
  3. The causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %

    分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰器漏水，蒸汽引起露點腐蝕及吹灰效果差造成對流室積灰，排煙溫度高，煙氣熱量未回收利用以及爐子保溫襯里效果差等問題，提出採用聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的流程調整等改造措施.測定結果表明，本次技術改造解決了因蒸汽吹灰器漏水所造成的露點腐蝕問題，提高了保溫效果，減少散熱損失1 . 25 % ，排煙溫度降至170左右，裝置的爐效率由83 %左右提高到90 %以上
  4. It tell us : the abrasive capability of fly ash ; the similar calculation of ash erosion ; the calculation of ash erosion in the tube in turn and tube out of turn ; the reason of tube abrasion for gas flue ; the influence of air parameter for fly ash erosion ; the influence of changing temperature ; the influence of the flue gas composition, etc. next, it advances the solving measure ; reduce the flue gas velocity ; reduce the concentration of fly ash ; responsible construction : replace smooth tube with spiral tube ; use the new material of abrasion ; fuel desulfurization ; reduce so3 of flue gas ; raise flue gas temperature, making it up the dew point ; use the abrasion - resistance material to resist abrasion

    討論了飛灰磨損性能、管壁受飛灰沖蝕的近似計算、灰粒對順列管和錯列管的磨損計算、煙氣走廊引起對流管束的磨損機理、空氣動力參數對飛灰沖蝕的影響以及受熱面壁溫變化及煙氣成份對飛灰磨損的影響等問題。接著提出了解決的措施：降低平均煙氣流速；降低飛灰濃度；使用鰭片管、螺旋翅片管代替光管；選擇合適的結構及排列方式，減少煙氣中so3的含量；提高受熱面壁溫使之大於煙氣的露點溫度；採用抗腐蝕材料作受熱面等防腐蝕的措施。
  5. The effects of the tested condition, e. g. environment humidity, drying temperature, dew point of shielding gas, etc, on diffusible hydrogen content of the domestic electrodes for welding mild and low alloy steels is analyzed and compared with that of the foreign electrodes

    摘要採用水銀法研究了環境濕度、烘乾溫度、保護氣體露點等測試條件對焊縫擴散氫含量的影響，分析了我國碳鋼及低合金鋼焊條中的擴散氫含量，並且與國外焊條的擴散氫含量進行了對比。
  6. Measurements of dew point temperature of flue gas in circulating fluidized bed reactor for flue gas desulfurization

    循環流化床煙氣脫硫塔內煙氣露點的測定
  7. Determination of the water dew point of natural gas - cooled surface condensation hygrometers

    天然氣水露點的測定冷卻鏡面凝析濕度計法
  8. Gas analysis. determination of the water dew point of natural gas. cooled surface condensation hygromete % rs

    氣體分析.天然氣露點的測定.表面冷卻露點濕度計
  9. The traditional natural gas dehydration technologies have many advantages, such as good dehydration performance, very low dew point, etc, but there are also many disadvantages such as huge facilities, large investment, complex mechanical work and potential environmental pollution

    所以常規方法在一定程度上都得到了廣泛的應用。但這些常規方法也存在許多缺點，如設備龐大、投資高、能耗大，還會造成一定的環境污染等。
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