Biomass pellet fuel heat detector

The utility model relates to the technical field of heat detectors, and discloses a biomass particle fuel heat detector, which comprises a detector body, a printing frame and a printing port, the outer wall of the detector body is fixedly connected with an outer frame, the surface of the outer frame is provided with a sleeve port in a penetrating manner, the sleeve port is aligned with the printing frame, and the length and width of the sleeve port are not less than those of the printing frame. A reset assembly is connected into the side, close to the detector body, of the outer frame, the other end of the reset assembly is connected with a cutting knife, the length of the cutting knife is not smaller than that of the printing opening, and one side of the cutting knife abuts against the side, close to the detector body, of the outer frame. According to the biomass particle fuel heat detector, the outer frame is arranged at the printing frame of the detector body, and the cutting knife is arranged in the outer