LONG-BURNING MULTI-FUEL BOILER Russian patent published in 2023 - IPC F22B7/12 F24H1/00 

FIELD: heating water.

SUBSTANCE: long-burning multi-fuel boiler consists of a rectangular body, to the ends of which two covers are bolted: the front one, with a service hatch located in the upper part of the cover, and a window for placing a cylindrical fuel container in the lower part, and the rear one, with an exhaust pipe and a window located in the lower part of the cover is coaxial with the front cover window and serves to accommodate a removable ash container with an air inlet window. Inside the boiler body there are two parallel horizontal shelves with cavities for liquid coolant communicating with the cavity for liquid coolant between the walls of the body. The length of the shelves is less than the length of the body. The base of the lower shelf is located at the front end of the case, and the top is at the rear end. A round flat piston is inserted into the cylindrical transport container, having an axial rod made in the form of a lead screw installed in the axial nut of the pulley, which is mounted on the fuel container pipe with an axial end bushing and connected to a flexible drive cable, connected through blocks with the opposite end to a sinker. The container body has holes located above the axial plane at a length of no more than 30% of the body length at the end of the container body, located at the rear cover of the boiler body.

EFFECT: enhancing water heating process.

1 cl, 4 dwg