Cleaning device for carrier in engine exhaust gas after-treatment system and control method of cleaning device

• Main Authors: Wu Zhixin, Wang Wei, Chen Tao, Yang Pinglong
• Format: Patent
• Language: Chinese; English
• Published: 24.08.2016
• Subjects: CLEANING; CLEANING IN GENERAL; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PREVENTION OF FOULING IN GENERAL; SEPARATION; TRANSPORTING

The invention relates to a cleaning device for a carrier in an engine exhaust gas after-treatment system. The cleaning device comprises a cleaning medium (1), a pressurization pump (2), a heater (3), a temperature sensor (4), a sound wave emitter (5), an after-treatment fixing device (6), a sealing gasket (7), a filter device (10), a reactor (11) and a storage tank (12). The cleaning device is characterized in that the pressurization pump (2), the heater (3), the sound wave emitter (5), the after-treatment device (8), the filter device (10), the cleaning medium (11) and the storage tank (12) are connected through pipelines to form a closed circulating cleaning system; and the device can complete cleaning in two steps, ash removal is conducted firstly, the cleaning medium is then replaced, device parameters are adjusted, the catalyst activity reduction is conducted, and therefore the cleaning device for the engine exhaust gas after-treatment system has the beneficial effect of being wide in application range.