Mixer assembly and tail gas aftertreatment package

• Main Authors: LI SHUO, QIN YUSONG, YAN CAIBAO, QIU SHASHA
• Format: Patent
• Language: Chinese; English
• Published: 01.09.2023
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ENGINES; WEAPONS

A mixer assembly includes a housing, a first plate, a second plate, and a third plate. The first sheet comprises a blocking part and a separating part. The mixer assembly comprises an air inlet cavity, an air outlet cavity and a mixing cavity. The shell comprises a urea nozzle seat used for installing a urea nozzle and a perforated pipe fixed to the inner wall of the shell and corresponding to the urea nozzle seat, and the perforated pipe is provided with a plurality of through holes distributed in the circumferential direction of the perforated pipe. And the plurality of through holes are configured to allow airflow to pass through to reach the urea nozzle seat, so that the urea crystallization resistance of the urea nozzle seat is improved. The invention further discloses a tail gas aftertreatment package with the mixer assembly. 一种混合器组件包括壳体、第一板片、第二板片以及第三板片。所述第一板片包括阻挡部以及分隔部。所述混合器组件包括进气腔体、出气腔体以及混合腔体。所述壳体包括用以安装尿素喷嘴的尿素喷嘴座以及固定于所述壳体的内壁上且对应于所述尿素喷嘴座的多孔管，所述多孔管设有沿其周向分布的若干穿孔。所述若干穿孔配置为让气流穿过以到达所述尿素喷嘴座，从而提高了所述尿素喷嘴座的抗尿素结