The invention relates to an exhaust
waste heat power generation and exhaust purification
system based on a Stirling generator. The exhaust
waste heat power generation and exhaust purification
system based on the Stirling generator comprises an
exhaust emission purification unit and an exhaust
waste heat power generation unit which are connected with each other. The
exhaust emission purification unit comprises a first
exhaust pipe, a one-way valve, a secondary
combustion and heat exchange device, and a second
exhaust pipe, which are connected in sequence. The exhaust waste
heat power generation unit comprises the Stirling generator, a radiator, a cold-hot gas exchanger, a hot cavity
pipe extending into the secondary
combustion and heat exchange device, and a regulated adaptor. High-temperature exhaust passes through the
exhaust pipe and the one-way valve and enters the secondary
combustion and heat exchange device, large
solid particles in the exhaust are combusted by instant
high heat generated by a spiral
resistance wire, and the requirement of
exhaust emission of PM2.5 (particulate matter 2.5) is met. The hot cavity
pipe penetrates through a ring center of the spiral
resistance wire and is heated by the high-temperature exhaust, the high-temperature spiral
resistance wire also releases heat to
increase temperature of a hot cavity of the Stirling generator, and accordingly
thermal efficiency of the Stirling generator is improved.