Weichai Power Co., Ltd.

Junpu Li

Lihua An

Guopeng Li

Weida Liu

A urea pump, and a control method and control system for the urea pump are described. The urea pump comprises: a liquid intake pipeline; an instant heating type filtering device, an inlet of the instant heating type filtering device being in communication with a urea tank via the liquid intake pipeline, and the instant heating type filtering device being configured to filter and heat a urea solution flowing in through the inlet pipeline; a pressure build-up pump arranged at the inlet pipeline and configured to drive the urea solution flowing to the instant heating filtering device through the liquid intake pipeline; a liquid output line in communication with a first outlet of the instant heating filtering device and configured to deliver a filtered and heated urea solution to a nozzle; and a liquid return pipeline.

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Shandong, China

Junpu Li