Fume extractor and combustion system

The utility model relates to a technical field that discharges fume discloses a fume extractor and combustion system, the fume extractor is discharged fume tub (10) and is assisted the pipe of discharging fume including main, main discharge fume tub (10) include that the first owner who each other becomes the contained angle discharges fume tub (100) and the second owner discharges fume tub (101), the main pipe of discharging fume is including setting up the second owner export section on the pipe of discharging fume, assist and discharge fume the pipe including first discharge fume tub (11), first discharge fume the pipe with the port of export section is linked together, and first discharge fume the pipe the axis with the axis of export section each other becomes the contained angle. This fume extractor can reduce the wind that gets into the fume extractor, and the backpressure of the discharging fume when fume extractor uses has consequently significantly reduced. Combustion system includes combustion appa