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螺旋输送机对于粉状物料的输送的优势

文章来源:郑州赛德斯机械 发布时间:2017-01-20 浏览次数:
螺旋输送机对于粉状物料的输送是比较常见的,螺旋输送机不仅要保证物料输送持续、稳定,输送速度满足相应的要求,而且物料在输送过程中没有遗洒、飞散等现象。
The screw conveyor is relatively common for conveying powdery material, screw conveyor conveying not only to ensure the sustained and stable conveying speed, meet the corresponding requirements, and the material in the process of conveying no spills, scattering phenomenon.
针对以上要求,并在充分考虑了粉状物料特性的基础上,对螺旋输送机的密封性是一个比较重要的问题:即如果螺旋输送机的轴与轴承座密封效果不好,细粉经常顺轴漏出而进入轴承座内,造成轴承的损坏,导致检修频繁,影响设备的稳定运行。
According to the above requirements, and considering characteristics of powder material, the screw conveyor seal is a more important question: if the screw conveyor shaft and the bearing seat sealing effect is not good, fine powder often along the shaft leakage into the bearing seat, cause bearing damage, leading to frequent repair that affects the stable operation of the equipment.
螺旋输送机由一根装有螺旋叶片的螺旋转轴、料筒和轴承装置等组成,考虑其密封性的重要性,所以在螺旋轴与轴承之间的密封采用双道油封密封。左侧的一道油封防止细粉进入轴承座,右侧一道密封防止轴承的润滑脂顺轴流入料筒,污染物料。
The screw conveyor is composed of a spiral rotating shaft with a spiral blade, a barrel and a bearing device, etc. the utility model takes into account the importance of the sealing performance. The left side of the oil seal to prevent the fine powder into the bearing seat, the right side of a seal to prevent the bearing grease into the barrel of the shaft, the pollution of materials.
油封又称旋转唇形密封圈,在自由状态下,油封内径比轴径小,即有一定的过盈量。
Also known as rotary oil seal lip seal, in the free state, seal diameter smaller than the diameter of the shaft, a certain amount of interference.
油封装到轴上后,其刃口的压力和自紧弹簧的收缩力对密封轴产生一定的径向抱紧力,遮断泄漏间隙,达到密封的目的。旋转轴的转速越高,油封对轴的摩擦越大,则温升越高而油封的寿命越低。
Oil seal is fitted to the shaft, the blade pressure and self tightening spring contraction force has some radial force on the shaft seal tight shutoff, leakage gap, achieve the purpose of sealing. The axis of rotation speed is higher, the greater the shaft seal friction, it causes high temperature and lower oil seal life.
油封座的设计要点是要保证油封座孔与旋转轴的同轴度,同时保证油封唇缘对旋转轴的过盈量要求。但设备在实际运行中,由于油封失效导致粉料流入轴承而造成轴承损坏仍然十分常见。
The design of oil seal seat is to ensure that the oil seal seat hole and the axis of rotation, while ensuring the oil seal lip on the axis of rotation of the amount of interference requirements. However, in the actual operation, due to the oil seal failure caused by powder into the bearing and bearing damage is still very common.
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