Patent ID: 7913508
Filing Date: 2011-03-29
Classification: F04B

Abstract:
1. A cooling device for interior and exterior surfaces of a mud pump liner comprising: an interior cooling nozzle, a water tank, a suction tube, a spray pump, and a discharge pipe, wherein one end of the suction tube is connected to the water tank, with the other end of the suction tube connecting to an intake port of the spray pump, and an end of the discharge pipe connected to an outlet port of the spray pump, with another end of the discharge pipe connecting to the interior cooling nozzle, wherein, said another end of the discharge pipe is also connected with an exterior cooling nozzle, a spray port of the interior cooling nozzle is placed inside the liner, and a spray port of the exterior cooling nozzle is placed outside the liner; wherein said another end of the discharge pipe is connected to the interior cooling nozzle and the exterior cooling nozzle via a three-way pipe respectively, and a valve is serially connected between the exterior cooling nozzle and the three-way pipe.