US 12,186,700 B2
Integrated device for adsorptive purification and catalytic regeneration of volatile organic compounds
Aijun Shi, Beijing (CN); Lei Nie, Beijing (CN); and Wanqing He, Beijing (CN)
Assigned to Beijing Vehicle Emissions Management Center, Beijing (CN); and Beijing Municipal Research Institute of Eco-Environmental Protection, Beijing (CN)
Appl. No. 17/617,816
Filed by BEIJING MUNICIPAL RESEARCH INSTITUTE OF ENVIRONMENTAL PROTECTION, Beijing (CN)
PCT Filed Jun. 17, 2021, PCT No. PCT/CN2021/100607
§ 371(c)(1), (2) Date Dec. 9, 2021,
PCT Pub. No. WO2022/057347, PCT Pub. Date Mar. 24, 2022.
Claims priority of application No. 202010971082.X (CN), filed on Sep. 15, 2020.
Prior Publication US 2023/0294034 A1, Sep. 21, 2023
Int. Cl. B01D 53/04 (2006.01); B01D 53/34 (2006.01); B01D 53/86 (2006.01); F23G 7/06 (2006.01); F23G 7/07 (2006.01)
CPC B01D 53/0438 (2013.01) [B01D 53/0454 (2013.01); B01D 53/346 (2013.01); B01D 53/8687 (2013.01); F23G 7/063 (2013.01); F23G 7/07 (2013.01); B01D 2257/708 (2013.01); B01D 2258/0283 (2013.01); F23G 2209/14 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An integrated device for adsorptive purification and catalytic regeneration of volatile organic compounds (VOCs), comprising:
a filtration adsorption coupling filter,
a catalytic combustion regeneration box,
a housing,
a control device,
a differential pressure detection device,
a catalytic temperature detection device,
a flue gas temperature detection device, and
an alarm device,
wherein
the housing comprises a filter inner cavity and a combustion inner cavity that are communicated in sequence, the housing is used for closed circulation of VOC exhaust gas, the filtration adsorption coupling filter is arranged in the filter inner cavity; the filtration adsorption coupling filter is configured to adsorb and filter the VOC exhaust gas, and the catalytic combustion regeneration box is located in the combustion inner cavity and configured to perform thermal desorption and regeneration on the filtration adsorption coupling filter and catalytically combust and purify the VOC exhaust gas obtained by the thermal desorption;
the differential pressure detection device, the catalytic temperature detection device, the flue gas temperature detection device and the alarm device are connected to the control device via electrical signals, the differential pressure detection device is arranged in the filter inner cavity and located at an air outlet end of the filtration adsorption coupling filter and configured to detect and output a signal on a pressure drop difference in the filter inner cavity to the control device, the flue gas temperature detection device is arranged at an air outlet end of the filter inner cavity and configured to measure a temperature of exhaust gas and transmit information for a temperature of exhaust gas to the control device, and the catalytic temperature detection device is arranged at an air outlet end of the combustion inner cavity and configured to measure a temperature of a catalyst and transmit information for a temperature of the catalyst to the control device; and
the control device is connected to the catalytic combustion regeneration box and the alarm device via electrical signals, and the control device is configured to control states of the catalytic combustion regeneration box and the alarm device according to the signal on the pressure drop difference in the filter inner cavity and the information for the temperature of exhaust gas.