Tubular oil-smoke separating and cleaning machine

The invention provides a tubular oil-smoke separating and cleaning machine and belongs to the technical field of smoke exhausters. The tubular oil-smoke separating and cleaning machine comprises a tubular smoke pipe; the top of the smoke pipe is provided with a spraying device; the bottom of the smoke pipe is provided with a cleaning trough; the interior of the smoke pipe is provided with an oil-smoke separating assemblyof a certain length; a first end opening is formed in the portion, located between the oil-smoke separating assembly and the cleaning trough, of the smoke pipe; a second end opening is formed in the portion, located between the oil-smoke separating assembly and the spraying device, of the smoke pipe; one of the two end opening is a smoke inlet, the other end opening is an exhaust outlet; and the tubular oil-smoke separating and cleaning machine further comprises a circulation line, the circulation line is provided with a circulating pump, one end of the circulation line communicates with the s