Sdpe close coupled urea mixing device

Abstract

The application provides a kind of SDPF close-coupled urea mixing device, including mixing pipe, the mixing pipe includes: hump pipe, including sequentially connected first straight pipe section, hump section and second straight pipe section;Stretching end cover, including first annular sheet and baffle, the upstream end of the first annular sheet is sealingly connected to the inner surface of the first straight pipe section, the baffle is arranged at the downstream end of the first annular sheet, the first annular sheet is partially blocked, wherein the outer surface of the first annular sheet covers the groove inside the hump section;Breaker plate, arranged on the inner surface of the first straight pipe section, upstream of the stretching end cover;Hoop and connecting pipe, the connecting pipe is sleeved on the second straight pipe section, the downstream end of the connecting pipe is connected to the upstream end of the first gas outlet pipe.The application is not only suitable for the compact boundary arrangement in the engine compartment, but also facilitates the installation and maintenance of the mixing device, and is conducive to timely cleaning the urea crystals on the surface of the parts in the mixing pipe.

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