Kitchen waste biodegradation waste gas waste heat recovery device

The utility model discloses a kitchen waste biodegradation waste gas waste heat recovery device which comprises a waste gas inlet, a fresh air inlet, an air return port, a waste heat recovery device and an exhaust device, and the waste heat recovery device comprises at least one waste gas conveying channel and at least one fresh air conveying channel. The waste gas conveying channel and the fresh air conveying channel are connected with each other to form a stacked structure. One end of the waste gas conveying channel is communicated with the waste gas inlet, and the other end of the waste gas conveying channel is communicated with the exhaust device; one end of the fresh air conveying channel communicates with the fresh air inlet, and the other end of the fresh air conveying channel communicates with the air return opening. According to the device, heat of waste gas can be recycled, and energy waste is reduced. 本实用新型公开一种餐厨垃圾生物降解废气余热回收装置，包括废气进气口、新风进气口、回气口、余热回收装置以及排气装置，其中，所述余热回收装置包括至少一条废气输送通道以及至少一条新风输送通道，所述废气输