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      當前位置:首頁 > 新聞中心 > 行業新聞
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      英國西蒙滾筒干燥機簡介(Simon Dryers)

      信息來源: | 發布日期: 2012-12-12 00:00:00 | 瀏覽量:451281

      摘要:

      譯文:對于連續的干燥,冷卻,焙燒和熱處理的固體顆粒,西蒙轉筒干燥器提供了簡單的解決方案。能夠處理大噸位的吞吐量,并能夠承受年的運作,將停機時間降至^低,西蒙回轉烘干機滿足所有的要求,世界上主要的材料處理器每365天每天24小時的嚴格要求。

      干燥,焙燒或熱處理來實現,通過被加工的材料通過它也通過的電流的熱空氣通過一個旋轉的缸體。升降器或嵌合氣缸升降機和級聯的材料通過熱空氣流的內表面飛行。無論是在相同的方向上的材料(順流),或在相反的方向(逆流)的空氣流可被引導通過氣缸。順流系統中使用普遍的干燥應用。逆流系統更高效的能量輸入,但會引起產品的高的溫度,與相關聯的處理問題。

      同樣,冷卻可通過的材料,可以通過該流動的電流的冷空氣或外部冷卻水浴或噴霧噴嘴的裝置通過一個旋轉筒冷卻通過。

      干燥空氣可以被加熱物,也可以直接由石油,天然氣或固體燃料的燃燒器的裝置,或間接地通過使用蒸汽或其它加熱介質的合適的熱交換器。干燥溫度低于100℃的溫度高達700攝氏度的范圍

      任何干燥操作的廢氣流從不可避免地包括一個顯著量的微粒。此微粒結轉可能被收集的氣體通過通過高效旋風分離器或袋式過濾器或濕式滌氣器或任何或所有這些的組合,這取決于涉及的塵埃的性質和數量。

      干燥過程中的廢氣流從任何可能還包含相當量的廢熱能量。一些這種能量可以通過廢氣流的,合適的清洗后,熱回收單元回收。這樣的單元的設計不僅直接從廢氣中除去熱量,但也可以被設計以冷凝出的水蒸汽或其它揮發物回收潛熱。然后,可以從熱回收單元的清潔程度暖空氣輸送到干燥器入口空氣加熱器,從而降低整體的干燥過程中的能量輸入。

      除了旋轉式干燥機和冷卻器,級聯和葉片,R.Simon(烘干機)有限公司設計和制造的旋轉造粒機,涂料桶,旋轉式反應器,在一個標準的直徑范圍從1米到3.5米和更大的根據需要,配套設備,以滿足個別客戶的規格。

      概觀

      R.西蒙(烘干機)有限公司設計和制造了一系列的旋轉干燥器,連同多年的經驗,意味著我們的機器可以選擇適合您的特定應用程序。

      轉筒干燥器分為三大類:

      旋轉的級聯干燥器,其中材料被提升,并通過熱空氣流的級聯。

      旋轉葉片干燥器,其中熱空氣流通過一個'滾動'的材料床。

      蒸汽管回轉干燥機,材料的提升和級聯通過旋轉蒸汽管束 外部,所有的轉筒干燥器有類似的結構,組成的嵌合用輪胎上運行的一組支撐輥,用鏈或直齒圓柱齒輪環驅動的旋轉殼。


      原文:

      For the continuous drying, cooling, roasting and heat treatment of particulate solids, Simon Rotary Dryers provide the simple solution. Capable of handling large tonnage throughputs and built to withstand the rigours of 24 hours per day 365 days per year operation with minimum downtime the Simon Rotary Dryer meets all the requirements of the world's major material processors.

      Drying, roasting or heat treatment is achieved by passing the material being processed through a rotating cylinder through which also passes a current of hot air. Lifters or flights fitted to the internal surface of the cylinder lift and cascade the material through the hot air stream. The air stream can be directed through the cylinder either in the same direction as the material (co-current) or in the opposite direction (counter-current). Co-current systems are used in most general drying applications. Counter-current systems are more efficient in terms of energy input but give rise to high product temperatures, with the associated handling problems.

      Similarly, cooling may be effected by passing the material to be cooled through a rotating cylinder through which flows a current of cold air or which is externally cooled by means of a water bath or spray nozzles.

      The drying air may be heated either directly by means of oil, gas or solid fuel burners or indirectly by means of suitable heat exchangers using steam or other heating media. Drying temperatures range from below 100 deg.C up to 700 deg.C.

      The exhaust gas stream from any drying operation inevitably includes a significant amount of fine particles. This fine particle carryover may be collected by passing the gases through high efficiency cyclones, or bag filter or wet scrubber or a combination of any or all of these, depending upon the nature and quantity of dust involved.

      The exhaust gas stream from any drying process may also contain a substantial quantity of waste heat energy. Some of this energy may be recovered by passing the exhaust gas stream, after suitable cleaning, to a heat recovery unit. Such units are designed not only to remove heat directly from the exhaust gases but may also be designed to condense out water vapour or other volatiles to recover latent heat. Clean warm air from the heat recovery unit can then be ducted to the dryer inlet air heater thus reducing the overall energy input of the drying process.

      In addition to Rotary Dryers and Coolers, of both cascade and louvre type construction, R.Simon (Dryers) Ltd. Design and manufacture Rotary Granulators, Coating Drums and Rotary Reactors, in a standard range of diameters from 1 Metre to 3.5 Metres and larger as required, with ancillary equipment to suit individual client's specifications.

      Overview

      R. Simon (Dryers) Limited design and manufacture a range of Rotary Dryers, which together with years of experience means that we can select the machine most suited to your particular application.

      Rotary Dryers fall into three main categories:

      Rotary Cascade Dryers, where material is lifted and cascaded through a hot air stream.

      Rotary Louvre Dryers, where the hot air stream is passed through a 'rolling' bed of material.

      Rotary Steam Tube Dryers, where material is lifted and cascaded through a rotating steam tube bundle Externally, all Rotary Dryers have a similar construction, consisting of a rotating shell fitted with tyres running on a set of support rollers, with a chain or spur gear ring drive.

      正文結束!


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