HOT-WATER BOILER Russian patent published in 2012 - IPC F24H1/00 

FIELD: power industry.

SUBSTANCE: hot-water boiler includes fuel bunker, furnace with grating, poking plank and actuator, system of forced air supply to the boiler furnace and hydraulic part, antechamber with water-cooled waterwall separating the antechamber from furnace, plank of fuel supply from bunker to antechamber, water-cooled grating located in upper furnace and ash removal device made in the form of screw horizontally installed in lower furnace, and electric actuator providing the possibility of screw movement. Grating is made in the form of horizontally located water-cooled grating, poking plank connected to hydraulic actuator is water-cooled and made in the form of hollow parallelepiped and includes n water-cooled hollow ejectors of triangular shape in the profile, which are uniformly fixed throughout its length and made throughout the width of water-cooled grating. System of forced air supply to the furnace is made in the form of control valves uniformly located under water-cooled grating.

EFFECT: increasing the efficiency of hot-water boiler and improving its operating reliability.

3 dwg