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分析:挖沙船的润滑油该如何选用?

      挖沙船具有成本低、工作效率高、操作方便等特点,可同时完成对沙石的抽取、过滤筛选及分离等工序。可以一次性生产出合格的产品,尤其针对水面宽阔且水下资源丰富的河道、池塘及废弃的挖沙厂更是特别的适合采用挖沙船进行挖沙作业。挖沙船的种类很多,从挖沙方式上可分为机械挖沙和吸扬式挖沙两大类。挖沙机械比较笨重,不像其他小型机械那样灵活,润滑油可以使挖沙船的各部件能够更好的协调运行,因此我们更加要注意润滑油的选用。

挖沙船

      挖沙船多半采用露天作业,我国北方地区的冬夏季温差变化较大,有的地方昼夜温差变化也很大,因此我们要选用粘度随温差变化较小的润滑油。润滑油的黏度随温差变化小,可以形成很好的润滑油膜,对挖沙船的各部件起到很好的润滑作用,以避免挖沙船启动、运转困难。

      如果在火灾或者爆炸事故易发的地段作业,挖沙船一定要使用抗燃性好的润滑剂,不能使用易燃的机油或者柴油代替润滑油。同时润滑剂必须对挖沙船的密封件有着良好的适应性,以防止密封件受到润滑剂的氧化损坏。

   Dredging boat has the advantages of low cost, high working efficiency, convenient operation and so on, and it can complete the process of extracting, filtering and separating sandstone. Can produce a one-time qualified products, especially for the water wide and underwater resources of the river, pond and abandoned sand digging plant is particularly suitable for dredging sand work. There are many kinds of dredging sand, which can be divided into two categories: mechanicaldredgingandsuctionsuckingsanddigging.Sanddigging machinery is more bulky, unlike other small machinery as flexible, lubricants can make the parts of the dredgingboatcanbebettercoordinatedoperation,soweshouldpayattentiontotheselectionoflubricants.

   Dredging most of the sand use open-pit operation, the northern region of China's winter and summer temperature changes are larger, and some places the diurnal temperature difference is also very large, so we have to choose viscosity with the change of the small temperature of lubricants. The viscosity of lubricating oil varies with the temperature difference, can form a good lubricant film, to dig the various parts of the sand to play a good lubrication role, to avoid dredging sand start, difficult operation.
If in the fire or explosion accidents prone to the lot work, dig sand must use a good flame resistant lubricants, can not use flammable oil or diesel oil instead of lubricants. At the same time, the lubricant must have a good adaptability to the sealing parts of the dredging vessels to prevent the oxidation of the seals from the lubricant.


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