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无油空压机难道不使用油吗?
Time:2018-06-25 14:20:23       来源:http://www.jnkbjx.com/      

一种全无油的空压机,它不是采用有油润滑,而是采用树脂材料润滑,所以最终排出的气体不含油称为全无油空压机,但是目前此种空压机质量不是很令人满意,国内一般的是有油润滑的无油机。空压机储气罐中空气占有一定的空间,但它没有固定的形状和体积。在对密闭的容器中的空气施加压力时,空气的体积就被压缩,使内部压强增大。当外力撤消时,空气在内部压强的作用下,又会恢复到原来的体积。

A kind of oil free air compressor, it does not use oil lubrication, but the use of resin material lubrication, so the final discharge of gas without oil is called all oil free compressor, but at present, the quality of this air compressor is not very satisfactory, the domestic general is oil lubricated oil free machine. The air in the air compressor tank occupies a certain space, but it has no fixed shape and volume. When pressure is applied to the air in a closed container, the volume of the air is compressed, increasing the internal pressure. When the external force is removed, the air will return to its original volume under the action of internal pressure.
以前此种空压机由于密封的润滑脂容易流失导致轴承干磨而损坏,质量不是很令人满意,国内一般的是有油润滑的无油机,现在最新研制一种在原全无油空压机基础上改进的全无油空压机,此全无油空压机使用了绝热的活塞与绝热的连杆,使轴承润滑脂不再受高温传导与辐射而流失,从而使全无油空压机寿命大大延长,现已完全超过同档次有油机的寿命。,一般有油机含油量较大,无油机的含油量为0.01ppm,所以用这个含油量来区分空压机有油与无油。
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In the past, the air compressor caused by the sealing grease was easily damaged by the dry grinding of the bearing. The quality was not very satisfactory. The oil lubricated non oil machine was generally used in the country. Now a new type of all oil free air compressor is developed on the basis of the original oil free air compressor. The whole oil free air compressor uses the insulated piston and the piston. The adiabatic connecting rod makes the bearing grease no longer lost by the transmission and radiation of high temperature, so that the lifespan of the oil free compressor is greatly extended, and it has now completely exceeded the life of the same grade oil machine. Generally, the oil content of the oil machine is large, and the oil content of the oil free machine is 0.01ppm, so the oil content is used to distinguish the oil from the air compressor and the oil free.
在压缩空气系统中采用多级分离过滤装置或将压缩空气预处理成具有一定相对湿度的于燥气是很必要的;油份--高速、高温运转的空压机采用润滑油可起到润滑、密封及冷却作用,但污染了压缩空气。采用自润滑材料发展的少油机、半无油机和全无油机虽然降低了压缩空气中的含油量,但也随之产生了易损件寿命降低,机器内部和管路系统锈蚀以及空压机在磨合期、磨损期及减荷期含油量上升等副作用。这对于追求高可靠性的自动化生产线无疑是一种威胁。
It is necessary to use a multistage separation filter in a compressed air system or to pretreat compressed air into a dry gas with certain relative humidity; oil, a high speed and high temperature air compressor, can be lubricated, sealed and cooled by lubricating oil, but it pollutes the compressed air. While reducing the oil content in compressed air, the oil less machine, semi oil free machine and oil free machine developed by self lubricating materials have reduced the life of the compressed air, the corrosion of the internal and pipeline systems, and the rise of the oil content in the running in, wear and reducing periods of the air compressor. This is undoubtedly a threat to the pursuit of highly reliable automated production lines.
在容器中有一个可以活动的物体,当空气恢复原来的体积时,该物体将被容器内空气的压力向外推弹出来。这一原理被广泛应用在生产、生活中。水份--大气中相对湿度一般高达65%以上,经压缩冷凝后,即成为湿饱和空气,并夹带大量的液态水滴,它们是设备、管道和阀门锈蚀的根本原因,冬天结冰还会阻塞气动系统中的小孔通道。值得注意的是:即使是分离于净的纯饱和空气,随着温度的降低,仍会有冷凝水析岀,大约每降低10℃,其饱和含水量将下降50%,即有一半的水蒸气转化为液态水滴。
There is a movable object in the container. When the air is restored to its original volume, the object will be pushed outwards by the pressure of the air inside the container. This principle is widely used in production and life. Water - the relative humidity in the atmosphere is generally more than 65%. After compressed condensation, it becomes wet saturated air and contains a large number of liquid water droplets. They are the basic causes of corrosion of equipment, pipes and valves. In winter, the ice will block the small hole in the pneumatic system. It is worth noting that, even if the pure saturated air is separated from the net, the condensed water will still be condensed with the decrease of temperature, and the saturated water content will decrease by about 50% at about 10 degrees centigrade, that is, half of the water vapor is converted into liquid water.
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