论文部分内容阅读
目前,多数工程机械都装配有空气滤清器,以保护发动机。但若发动机常在沙漠、油田、煤矿等灰尘“重灾区”工作,普通空气滤清器就难以满足延长发动机使用寿命的要求。为此,唐纳森于近期推出了一款沙漠空气滤清器。沙漠空气滤清器是由多旋流管式预过滤器和纸质滤芯组成的双级干式空滤器,适用重型汽车及工程机械。气体从进气口进入旋流管进行预过滤,大部分灰尘受离心作用被滤出,并通过锥形管道导入储灰盘。预过滤后的气体再经过旋流管内管进入主滤芯,得到进一步过滤。因旋流管的预过滤效率高达90%以上,能有效减少进入滤纸一侧的灰尘
At present, most construction machinery are equipped with air filters to protect the engine. But if the engine often in the desert, oil fields, coal mines and other dust “hardest hit ” work, ordinary air filter will be difficult to meet the requirements of extending the service life of the engine. To this end, Donaldson recently introduced a desert air filter. Desert air filter is a multi-cyclone tube filter and paper filter composed of two-stage dry air filter for heavy vehicles and construction machinery. Gas from the intake into the cyclone pre-filter, most of the dust by centrifugation was filtered out, and through the tapered pipe into the ash tray. Pre-filtered gas and then through the cyclone tube into the main filter, get further filtration. Due to the cyclone pre-filter efficiency of up to 90%, can effectively reduce the dust entering the filter paper side