UREA INJECTION DEVICE, VEHICLE EXHAUST TREATMENT SYSTEM AND UREA SOLUTION ATOMIZATION METHOD

• Main Authors: LI, Tianwei, XIANG, Fuchong, WANG, Tianbin
• Format: Patent
• Language: Chinese; English; French
• Published: 19.09.2024
• 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 urea injection device, comprising an ejection device (1) and a support (2), wherein a nozzle (11) is arranged at one end of the ejection device (1); a gas source channel (12) in communication with the nozzle, and a liquid source channel (13) in communication with the gas source channel are provided in the ejection device (1); the support (2) is arranged on the side of the ejection device (1) away from the nozzle (11); a gas intake valve (21) and a liquid intake valve (22), which are provided with internal channels, are arranged in the support (2); one end of the gas intake valve (21) is in communication with the gas source channel (12), and the other end thereof is configured to connect to a first gas source; the gas intake valve (21) can control the connection and disconnection between the gas source channel (12) and the first gas source; one end of the liquid intake valve (22) is in communication with the liquid source channel (13), and the other end thereof is configured to connect to a liquid source; an