Plate-type tower and plate-type tower tray reinforcing method

The invention discloses a plate-type tower and a plate-type tower tray reinforcing method, the plate-type tower comprises a tower tray, and the tower tray is composed of channel plates, a downcomer plate, an overflow weir, a liquid receiving plate and a main separation tower plate; a rib plate is arranged below the channel plate; at least two support plates are arranged below the main separation tower plate; the channel plates are an upper-mounted channel plate and a lower-mounted channel plate; a cover plate is arranged above the upper-mounted channel plate; the cover plate is connected withthe main separation tower plate on two sides of the channel plate through ear plates; the cover plate is perpendicular to the channel plates; the cover plate is perpendicular to the downcomer plate, the lower-mounted channel plate is connected with the main separation tower plate through a connecting assembly, the connecting assembly comprises an L-shaped clamping piece and a flat clamping piece which are matched with eac