Trash burning chamber structure

The invention provides a trash burning chamber structure which comprises a box with a heat preservation layer. A feed hopper is mounted at the top end of one side of the box, a chimney is mounted at the top end of the other side of the box, and a separating plate is horizontally arranged in the box and divides the box into an upper cavity and a lower cavity; a fire grate is horizontally arranged in the upper cavity, a combustion supporting device is arranged under the fire grate, a filter net is mounted under the combustion supporting device, an opening corresponding to the filter net is formed in the separation plate under the filter net, an ash collecting hopper is mounted below the opening, and the bottom of the ash collecting hopper is connected with an ash outlet door; an oxygen supply fan is mounted in the lower cavity and connected with one end of an oxygen supply pipeline, and the other end of the oxygen supply pipeline stretches into the upper cavity. The trash burning chamber structure is simple and reasonable, the whole trash burning process is sufficient, and the trash burning chamber structure can be suitable for trash incineration of different scales and is convenient to use and popularize.