A dpf regeneration device with mixed two-phase flow medium and its exhaust temperature rising strategy
A regeneration device, exhaust temperature technology, applied in the direction of exhaust device, exhaust treatment, muffler, etc., can solve the problems affecting DPF regeneration, affecting ignition characteristics and combustion speed, nozzle fuel residue, etc., to achieve ignition and ignition performance Good combustion performance, improved ignition conditions and combustion conditions, good reliability and durability
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[0059] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.
[0060] Such as figure 1 As shown, in the DPF regeneration device with two-phase flow media mixing according to the present invention, a nozzle 112 is provided at the inlet of the exhaust pipe, and an oxidation catalyst DOC114 and a particle trap DPF115 are arranged in the exhaust pipe, including two-phase flow A medium mixing device and a control system; the two-phase flow medium mixing device is used to provide the two-phase flow medium mixed by the nozzle 112;
[0061] The two-phase flow medium mixing device includes a mixing chamber 109, an air supply system and a liquid supply system; the air supply system and the liquid supply system are respectively connected to the mixing chamber 109 for mixing the two-phase flow medium; the mixing chamber 109 and The nozzle 112 c...
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