Three-dimensional rotating spray head for cleaning large-capacity cylindrical tank body

The utility model relates to a three-dimensional rotating spray head for cleaning a large-capacity cylindrical tank body used for the coal chemical industry and petroleum enterprises. The three-dimensional rotating spray head is provided with a pair of cylindrical cage type fixing supports composed of upper fixing discs, lower fixing discs and a plurality of connection screws between the discs. A vertical rod segment of a T-shaped spray rod is arranged in the cylindrical cage type fixing support along the center line from the upper portion of the cylindrical cage type fixing support in a penetrating mode. The lower end of the vertical rod segment of the T-shaped spray rod penetrates through a liquid inlet pipe connector. The upper portion of the vertical rod segment of the T-shaped spray rod is connected with the upper fixing discs through a tapered bearing. The two ends of a horizontal rod segment of the T-shaped spray rod are provided with spray nozzle tubes. Both the two spray nozzle tubes are arranged in a circular arc shape with the radian being 45 degrees relative to the horizontal rod segment and are opposite to each other in the spray direction. The lower portion of the liquid inlet pipe connector is connected with the lower fixing discs through a connector flange. The three-dimensional rotating spray head has the advantages of being simple in structure, convenient to operate, easy to apply and popularize and the like, capable of saving chemical and water resources greatly and good in effect of cleaning the large-capacity tank body.