Patent ID: 7013953

Claim:
A waste heat recovery system with a cleaning apparatus comprising: a tank ( 100 ); heat exchange pipes ( 500 ) connected with one another in the form of a ‘S’ shape in multiple steps inside the tank ( 100 ) and having a number of city water flow pipes bound up into a bundle; circulation leading plates ( 200 ) mounted between the heat exchange pipes ( 500 ) to form waste water paths; a movable nozzle part mounted on the outer surface of the circulation leading plates ( 200 ); a nozzle driving part mounted inside the circulation leading plates ( 200 ) for driving the movable nozzle part along guide rails ( 230 ) formed on the circulation leading plates ( 200 ); a driving part mounted on the outer surface of the tank ( 100 ) for driving the nozzle driving part; a position sensing part connected to the driving part for sensing position of the movable nozzle part; and a city water inlet ( 140 ) and a waste water outlet ( 120 ) formed in the lower portion of a side of the tank and a city water outlet ( 160 ) and a waste water inlet ( 110 ) formed in the upper portion of the side of the tank.