Urea injection amount control method and device, readable storage medium and electronic equipment

• Main Authors: ZHAO ZISHEN, SUN YANBIN, ZHANG BAOQIANG, SU FEIFEI, WANG JINGSHAN, WEI FENG, LYU ZHIHUA
• Format: Patent
• Language: Chinese; English
• Published: 31.10.2023
• 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

The invention provides a urea injection amount control method and device, a readable storage medium and electronic equipment. The method comprises the steps that the real temperature and the real urea injection amount of a urea water solution are obtained in real time; obtaining a reference urea injection amount, wherein the reference urea injection amount is the mass of urea injected by the rotational flow atomizing nozzle when the tail gas emission amount of the engine meets the standard emission amount; and at least according to the real temperature of the urea aqueous solution, the injection duty ratio and/or the injection pressure of the rotational flow atomizing nozzle are/is adjusted, so that the real urea injection amount is the same as the reference urea injection amount, and the injection duty ratio of the rotational flow atomizing nozzle is the duty ratio of an injection valve of the rotational flow atomizing nozzle. According to the method, different injection quantity correction strategies are ca