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      尼羅閃蒸干燥機介紹(GEA NIRO)

      信息來源: | 發布日期: 2012-12-10 00:00:00 | 瀏覽量:451371

      摘要:

      譯文:GEA尼羅閃蒸干燥器

      GEA尼羅產品范圍包括兩種類型的閃蒸干燥機:

      標準GEA尼羅閃蒸干燥機產品,如聚合物,例如: S-PVC,PAN和ABS / MBS,很容易瓦解 GEA尼羅的旋流流動化™的產品,很難解體 這兩種類型的設計閃蒸離心機或過濾器的濕顆粒干燥。

      閃蒸干燥機

      在閃蒸干燥機,通過不同的手段 - 取決于產品 - 顆粒分散到輸送和干燥的產品,在一個很短的時間中的自由流動的粉末在高流速的熱空氣流中。短的停留時間可以用于高溫的干燥空氣的入口,由于所提供的快速蒸發的水分從顆粒表面的冷卻效果。

      經濟的干燥是非常依賴于能量的來源和所允許的^大入口溫度(通常在高達225℃,這取決于該產品的熱敏感性)。如果想要的低殘余的水分不容易地得到在簡單的閃蒸干燥器特殊設計可以考慮或進一步干燥可以發生。這可能是一個第二個閃蒸干燥器,或更經常地在較低和更安全的溫度下需要更長的停留時間是可能的,可避免不必要的過度干燥的流體床。

      靈活性 GEA尼羅閃蒸干燥機是非常靈活和符合成本效益的解決方案方面的投資和操作。它的設計,以滿足我們的客戶和他們的地方當局的要求,因此它可在:

      開放,有效的袋式過濾器,確保清潔排氣過程中排放的空氣環境友好型植物 一個封閉循環的概念,用氮氣吹掃過程中氣路 安全性方面 GEA工程技術設計和所提供的將所有的植物,使^終用戶獲得歐盟提出的審批指示。


      原文:GEA Niro product range includes two types of flash dryers:

      The standard GEA Niro flash dryer for products like polymers, e.g. s-PVC, PAN and ABS/MBS, that are easily disintegrated The GEA Niro SWIRL FLUIDIZER™ for products that are difficult to disintegrate Both types are designed for the flash drying of wet particles from centrifuges or filters.

      Flash drying

      In the flash dryer, particles are dispersed by different means - depending on the product - into a hot air stream at high velocity conveying and drying the product to a free flowing powder in a very short time. The short residence time allows for high temperatures of the inlet drying air due to the cooling effect provided by the fast evaporation of the moisture from the particle surfaces.

      The drying economy is very dependant upon the source of energy and the maximum allowable inlet temperatures (often up to 225 °C depending on the heat sensitivity of the product). If a wanted low residual moisture is not obtained easily in the simple flash dryer special designs can be considered or further drying can take place. This could be a second flash dryer or more often a fluid bed where longer residence time at lower and safer temperatures is possible and unwanted over-drying can be avoided.

      Flexibility The GEA Niro flash dryer are very flexible and cost efficient solutions with regards to both investment and operation. It is designed to meet the requirements of our customers and their local authorities and as such it is available in:

      Open, environmentally friendly plants with effective bag filters ensuring emission of clean exhaust process air A closed cycle concept with nitrogen purged process gas circuit Safety aspects All plants designed and supplied by GEA Process Engineering will enable the end user to obtain approvals put forward by the EU directive.

      正文結束!


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