Fan mixing tower prefabricated sheet assembling platform convenient to build

The invention discloses a fan mixed tower prefabricated sheet assembling platform convenient to build, which comprises a supporting column, the supporting column is in a regular octagon shape, a central frame is mounted at the top of the supporting column through a horizontal calibration mounting device, the central frame is in a regular octagon shape, and a supporting beam is mounted on each edge of the central frame through a beam frame mounting device; adjusting supporting devices are arranged on the outer walls of the supporting columns. The horizontal calibration installation device comprises an installation table arranged at the top end of the supporting column in a sleeving mode, a horizontal calibration component arranged at the top of the installation table and a first horizontal detection component arranged at the bottom of the center frame. The beam frame installation device comprises installation plates arranged on all the edges of the center frame, movable installation parts arranged on the side