Dual-spray system for supplying urea solution

• Main Authors: HAN FENGTAO, FANG WU, NIU JINGHONG, BI MINGSONG, WU YAXU, LI BO
• Format: Patent
• Language: Chinese; English
• Published: 28.06.2022
• 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

The present disclosure provides a dual spray system for supplying a urea solution, comprising: a storage tank for storing a urea solution; the spraying module is used for spraying a urea solution; the urea pump is connected to the storage box through a liquid inlet pipeline and connected to the spraying module through a liquid outlet pipeline; the backflow module comprises a backflow pipeline and a one-way backflow valve arranged in the backflow pipeline, the urea pump is connected to the storage box through the backflow pipeline, and the spraying modules comprise the first spraying module and the second spraying module. Therefore, the double-spraying system can improve the catalytic reaction effect, so that the post-treatment working efficiency of the urea pump is improved. 本公开提供了一种用于供应尿素溶液的双喷系统，包括：用于储存尿素溶液的储存箱；用于喷射尿素溶液的喷射模块；经由进液管路连接至储存箱并经由出液管路连接至喷射模块的尿素泵；以及回流模块，其包括回流管路和设置在回流管路中的单向回流阀，回流管路将尿素泵连接至储存箱，其中，喷射模块包括第一喷射模块和第二喷射模块。由此，该双喷系统能够改善催化反应效果从而提高尿素泵后处理的工作效率。