Double-flow-mode fuel oil ground pre-washing method and device thereof
A dual-flow mode and pre-washing technology, which is applied in the direction of inert gas generation, can solve the problems of increasing oxygen concentration and oxygen content in nitrogen-rich gas, and achieve the effects of reducing oxygen concentration, efficient recovery, and reducing time
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[0024] The accompanying drawings disclose the structural schematic diagrams of the preferred embodiments involved in the present invention in a non-limiting manner; the technical solutions of the present invention will be described in detail below with reference to the accompanying drawings.
[0025] like figure 1 , The present invention mainly includes an air compressor 2, nitrogen-rich gas generators 8, 9, a washing nozzle 16, a vacuum pump 19, and a fuel vapor membrane separator 24.
[0026] like figure 2As shown, the above nitrogen-enriched gas generators 8 and 9 are in the form of a horizontal fixed tube sheet structure, and the tube bundles are made of polyethylene film, polypropylene film, polytetrafluoroethylene film or polyvinylidene fluoride film to make tubular hollow fiber membranes 40. The two ends of the plurality of tubular hollow fiber membranes 40 are respectively fixed on the left tube plate 36 and the right tube plate 42, and then installed in the cylindri...
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