spray drying chamber 中文意思是什麼

spray drying chamber 解釋
噴霧乾燥室
  • spray : n 1 浪花，水花，水霧；霧狀物。2 【醫學】噴霧（液）。3 噴霧器；消毒器。vt 噴，噴射；使起浪花；噴霧...
  • drying : 干化
  • chamber : n 1 〈古、詩〉室，房間；寢室，臥室；〈pl 〉套房；〈pl 〉律師[法官]辦公室。2 會議室，會場；議會，...
  1. The dried powder product was formed in the spray dryer by pressure nozzle which atomized liquid into small droplets and heat and mass transferring was performed between droplets and hot medium in the drying chamber

    壓力噴霧乾燥裝置是利用壓力霧化裝置將原料液分散成細小霧滴，並與熱介質在乾燥塔內充分進行熱量、質量交換，最終達到乾燥產品的目的。
  2. The dehydration time is square of the droplets diameter so the small diameters of the droplets can cut down the drying time then reduce the height of the drying chamber. to the combined spin - flow pressure spray drying, the diameters of droplets are small and the dehydration rate is higher so keeping the qualities of the dried products we can increase the speed of the inlet wind and reduce the temperature of the outlet wind thus can improve the evaporation intensity of the drying chamber and the average energy utilization of the drying equipment

    因霧滴的脫水時間與其直徑的平方成正比，減小液滴直徑有利於縮短乾燥脫水時間，可有效降低乾燥塔的高度；由於旋流式組合壓力噴嘴霧化滴徑的減小，脫水速度明顯加快，在不影響乾燥物料性質的前提下，適當提高進風溫度，同時有效地降低排氣溫度，有利於提高幹燥塔的蒸發強度，也有利於提高幹燥設備的平均能源利用率。
  3. ( 1 ) the cfd model for the pulse combustion spray drying process. the computational fluid dynamics ( cfd ) based on the two - phase flow theory was employed in this paper, which used the standard k - e model and the particle trajectory model to simulate the gas - particle flow in the drying chamber. the momentum, heat and mass transfer regarding both gaseous and particulate phases during the spray drying inside the drying chamber was also revealed

    為解決這一難題，本文利用氣體一顆粒兩相流理論和計算流體力學（ cfd ）技術，建立了更符合實際噴霧乾燥過程的數學模型即噴霧乾燥的cfd模型，並進行了脈動燃燒噴霧乾燥過程模擬，其主要內容如下： （ 1 ）建立了脈動燃燒噴霧乾燥的cfd模型該數學模型建立在氣體一顆粒兩相流基礎之上，用標準k -模型預測乾燥室內的氣體湍流運動過程，顆粒軌道模型追蹤乾燥室內顆粒群的運動軌跡，熱質傳遞模型描述空氣和液滴的熱質傳遞過程。
  4. The unstable gas stream is characterized by oscillations with transient velocities of about + 100 m / s and frequencies from 50 - 200h /. the enhanced mixing and transport processes lead to a highly efficient moisture evaporation rate during pulsating spray drying. the computational fluid dynamics ( cfd ) method was used for the analysis and investigation of flow, temperature and humidity fields in a pulsating flow spray - drying chamber

    長期以來，對噴霧乾燥過程進行了各種試驗和模擬研究，但這些研究並不能揭示噴霧乾燥室內氣體運動狀態，顆粒群的運動軌跡和各種熱力學參數分佈信息，常規的測試手段又很難測得，而這些參數分佈信息對乾燥器沒計和過程優化具有重要指導作用。
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