Assembled portable fire receiving pan device

The utility model discloses an assembled portable fire receiving pan device, which relates to the technical field of building, and comprises an I-shaped steel beam, two ends of an I-shaped upper flange of the steel beam are respectively inserted with two fireproof plates, the two fireproof plates are arranged in an L shape, and the L-shaped joint end is provided with an insertion groove inserted with the front side and the rear side of the upper flange. The ends, parallel to the steel beam web, of the fireproof plates abut against the steel beam web, a fire receiving pan is inserted into the front side of the lower flange of the steel beam, a pressing plate inserted into the rear side of the lower flange of the steel beam is arranged on the rear side of the fire receiving pan in a front-back sliding mode, the upper ends of the close sides of the two fireproof plates are fixedly connected through bolts, and the pressing plate and the fire receiving pan are fixedly connected through bolts. According to the util