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风俗对锯末烘干机有哪些影响?

2019-10-23 来源:pk10冠亚和值推算http://www.dwurp.cn 发布人:admin 浏览量:
  由于锯末初始温度不同,风量对锯末干燥机性能的影响也不同。
  Because of the different initial temperature of saw dust, the effect of air volume on the performance of saw dust dryer is also different.
  如果空气体积分为高速度区和低流速区,该区域在低风卷,因为热空气中包含的大量的热空气,热空气温度迅速下降的方向鼓,和干气返回到相位差缸的平均温度。气固相位差平均温度随风量的增大而迅速增大,干强度和析出速率均迅速增大。这说明在这种情况下,显著的风冲击强度和干降水速率来改善风量和降水速率来增加干强度是非常有利的。
  If the air volume is divided into high velocity zone and low velocity zone, the zone is in low volume, because the hot air contains a large amount of hot air, the hot air temperature drops rapidly in the direction of the drum, and the dry air returns to the average temperature of the phase difference cylinder. The average temperature of gas-solid phase difference increases rapidly with the increase of wind volume, and the dry strength and precipitation rate increase rapidly. This shows that in this case, significant wind impact strength and dry precipitation rate to improve air volume and precipitation rate to increase dry strength is very beneficial.
  在锯末初始温度的影响下,单位热耗系数在低风量区呈现不同的变化趋势。当锯末初始温度较高时,单位热耗随风量变化不大,保持较低的值。当锯末初温较低时,由于锯末预热占热风总热的比例较大,随着风量的增大,热锯末引起的相对热损失减小,单位热耗迅速减小。因此,增加锯末干燥机低风量区的风量有利于提高锯末干燥机的性能。
  Under the influence of the initial temperature of sawdust, the unit heat consumption coefficient shows different trends in the low air volume area. When the initial temperature of sawdust is high, the unit heat consumption has little change with the amount of wind and keeps a low value. When the initial temperature of sawdust is low, the proportion of preheating to the total heat of hot air is large. With the increase of air volume, the relative heat loss caused by hot sawdust decreases, and the unit heat loss decreases rapidly. Therefore, increasing the air volume in the low air volume area of the saw dust dryer is conducive to improving the performance of the saw dust dryer.
真空烘干机厂家
  在风量大的地区,虽然增加风量可以改善桶内气固两相的平均温差,但木屑在桶内停留时间短,会降低干燥强度和沉淀范围。由于降水幅值和风量增加不大,单位热耗随风量的增加呈线性增加,风量成为影响单位热耗的主要因素。因此,在风量大的地区应采用小风量。
  In the area with large air volume, although increasing air volume can improve the average temperature difference between gas and solid in the barrel, the short residence time of wood chips in the barrel will reduce the drying strength and precipitation range. Due to the small increase of precipitation amplitude and air volume, unit heat consumption increases linearly with the increase of air volume, and air volume becomes the main factor affecting unit heat consumption. Therefore, small air volume should be adopted in the area with large air volume.
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  With excellent products, perfect service and reliable reputation, we are ready to help you succeed in your business. We sincerely welcome colleagues from all walks of life to visit us and discuss business.
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