powder bed 中文意思是什麼
powder bed
解釋
粉末層-
This kind of device effect fine, specially offer to heat power plant use for such as fluidized bed furnace, coal powder pipe line, furnace negative pressure and flue negative pressure measuring to blow continually, as to prevent coal powders and bacco ashes stop up the sampler, ensure automation instrument of power plant normally running and production security
這種裝置效果良好，專供國內外火電廠硫化床爐煤粉管道爐膛負壓和煙道負壓測量中連續吹氣用，以防煤粉和煙灰堵塞取樣頭，確保電廠自動化儀表正常運行和生產的安全性。 -
The first visited seven local shelters to distribute mosquito incense, mosquito nets, plastic pads, bed sheets, women s sanitary items, undergarments, slippers, infant care supplies, toys, toiletry items, curry powder and other provisions needed by the victims. the second group delivered medical equipment and medicine to the base hospital in the heavily affected area of hambantota and daily necessities to a government agency. some shelters could be reached only after climbing hundreds of steps
稍後同修又分成兩組：一組前往當地七處災民收容所，分發蚊香蚊帳塑膠墊床單女性衛生用品貼身衣物拖鞋嬰兒用品玩具廁所清潔用品及咖哩類香料等災民需求的物品另一組則前往漢班托塔災區，探訪當地總醫院，贈送醫療器材及藥品，並前往一處政府機構贈送民生物資。 -
For system stability, the influence of the static powder bed height was the most obvious, whereas the impact of the fluidization air velocity was slighter
對于系統穩定性，靜止料層高度的影響最顯著，而流化風速的影響較輕微。 -
Food rice, vegetables, bread, gravy powder, cooking oil, lentils, milk, milk powder, nutritional items household items bed spreads, plastic pails, sleeping mats personal hygiene materials bath soap, toothpaste powder, washing soap
食物米，蔬菜，麵包，餅乾，調味料，油，豆子，奶粉，牛奶，滋養品居家用品床墊，塑膠桶，睡墊衛生清潔用品香皂，潔牙粉，洗衣皂學生制服的布料文具炊具餐具運輸費 -
In order to look for the key factors governing fluidization characteristics in the dense phase pulverized powder feeder, the effects of the different operating conditions and the geometrical variables on the mass ratio of powder and gas and the stable conveying time of the system were investigated in the self - developed special dense phase powder conveying test - bed
摘要為了尋找影響濃相粉體給料器流化特性的關鍵因素，在自行設計的專用小型濃相粉體輸送試驗臺上，考察了不同操作參數和結構參數對輸送固氣質量比和穩定給粉時間的影響，總結了各因素對流化質量的影響規律。 -
Considering the fluidization quality of the system, proper selection of static powder bed height and powder outlet relative height was very critical
在權衡流化質量的基礎上，粉體靜止料層高度和出粉口相對高度的選取至為關鍵。 -
And if it is the drying of relative light and small granular and powder like materials, cloth bag dust catcher is needed, and the pneumatic feeder apparatus is offered as a choice. add particulate material into fluid - bed dryer by feeder and send the filtered and heated clean air into fluid - bed by air - blower
散粒狀固體物料由加料器加入流化床乾燥器中，過濾后的潔凈空氣加熱後由鼓風機經分佈板與固體物料接觸，形成流態化達到氣固相的熱質交換。 -
The conclusions are as follows : ( 1 ) high - pressure water - atomization can be used to produce a pre - alloyed steel powder with high apparent density, high green strength, size - stability after sintering and low hydrogen - loss content ; ( 2 ) the higher smelting temperature and / or water pressure, the finer particle size of steel powders ; ( 3 ) when the atomization angle holds in a reasonable value ' s range the obtained powder will have a better particle size distribution ; ( 4 ) an optimum atomization technological parameters : liquid steel flux, water pressure and water prick angle was obtained ( 5 ) reduction variables ( temperature, holding time, material - bed ' s thickness and reducing gas flux ) have a significant effect on the particle agglomeration and properties of final powder was given ( 6 ) different alloying methods were developed to modify properties of ferrous powder materials and hence to broaden its applications in ferrous powder metallurgy industry
本文系統研究了水霧化預合金鋼粉生產工藝及合金化方法對鐵基粉末冶金材料性能影響，詳細研究了冶煉、霧化、還原工藝參數對預合金鋼粉化學成份和物理性能影響，並得出如下結論： （ 1 ）採用高壓水霧化技術可用於生產高密度、高強度、尺寸穩定性的低氫損含量的水霧化預合金鋼粉。 （ 2 ）冶煉溫度越高，高壓水壓力越大，所得生粉顆粒粒度越細。 （ 3 ）水錐角調整在一個適當角度范圍內可獲得粒度組成較好的生粉。 -
Development status and tendency of coal gasification with dry coal powder flow bed
干煤粉氣流床氣化的發展現狀與趨勢 -
It was found that the ultra - fine powder can flow smoothly in a spouted bed with a draft tube under some sorts of design parameter and operating condition, thus a new effective method to improve fluidization quality of the ultra - fine powders is obtained ; at higher supplied gas velocity, an increase in the solid circulation rate is observed ; the extent of the distance between the nozzle and the draft tube inlet result in the promotion of the solid circulation rate ; the solid circulation rate increase with increasing the draft tube diameter or the bed mass ; the gas bypassing is nearly zero in the present work ; and the solid flow in the annulus is observed as a moving bed
結果表明：在一定的床層結構和操作條件下，超細粉可以在導向管噴動床中實現平穩流化，從而為改善超細粉的流化質量提供了一種有效的新方法；固體循環速率與噴動氣流量、導向管直徑、導向管底部與噴嘴出口間距以及床層裝填量成正比；氣體則基本上不存在「旁路」現象；環隙區中的顆粒流動表現為一移動床特徵。 -
The kinetics of the reaction of cao powder with so2 was studied in a differential packed - bed reactor
摘要本研究以?微分?充床反應器探討氧化鈣粉粒與二氧化硫反應的動力學。 -
Fluidized behaviors of ultra - fine powder caco3 of mean diameter 5 um in a spouted bed with a draft tube were investigated, studying the effects of geometry and operating parameters on the two - phase fluidized characters such as the initial spouted behavior, the solid circulation rate, the gas flow distribution in the spout and the annulus, and the solid flow in the annulus
本研究以平均粒徑為5 m的caco _ 3超細粉為物料，對超細粉在導向管噴動床中的流化行為進行了系統的實驗研究，考察了床層結構和操作條件對起始噴動行為、固體循環速率、氣體在床層雙區中的分配以及固體顆粒在環隙區中的流動等氣固兩相流動特徵的影響。
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