NOVELTY - Straw hydrolysis acidification processing device comprises a straw hydrolysis acidification tank (9) set in a straw hydrolysis acidification process chamber (4), a collection tank (1) set outside the straw hydrolysis acidification process chamber, and a solar heating device (6) set above straw hydrolysis acidification process chamber for heating circulation water. The bottom part of straw hydrolysis acidification tank is set with a heating element (13). The side portion of straw hydrolysis acidification tank is provided with an ultrasonic manufacturing device used for hydrolysis acidification.    USE - Used as a straw hydrolysis acidification processing device.    ADVANTAGE - The device solves the material floating phenomenon in the anaerobic fermentation tank and improves the straw anaerobic fermentation gas production rate.    DETAILED DESCRIPTION - Straw hydrolysis acidification processing device comprises a straw hydrolysis acidification tank set in a straw hydrolysis acidification process chamber, a collection tank set outside the straw hydrolysis acidification process chamber, and a solar heating device set above the straw hydrolysis acidification process chamber used for heating circulation water. The bottom part of straw hydrolysis acidification tank is provided with a heating element. The side portion of the straw hydrolysis acidification tank is provided with an ultrasonic manufacturing device used for hydrolysis acidification. One side of the straw hydrolysis acidification tank is provided with a feeding and discharging door. The bottom part of straw hydrolysis acidification tank is provided with a drain hole via collection tank. The bottom of the collection tank is set in a tilted manner on the straw hydrolysis acidification tank. The upper part of straw hydrolysis acidification tank is provided with a spray head. The spray head is connected to the water circulation pump and collection tank via pipeline. The heating element is connected to the corresponding line solar heating device via hot water circulating pump.    DESCRIPTION OF DRAWING(S) - The diagram shows a schematic representation of the straw hydrolysis acidification processing device.    Collection tank (1)    Straw hydrolysis acidification process chamber (4)    Solar heating device (6)    Straw hydrolysis acidification tank (9)    Heating element (13)