Self-control counter-burning coal-fired hot water boiler

The utility model relates to the technical field of boilers and discloses a self-control counter-burning coal-fired hot water boiler which comprises a feeding device, a burning device and a slag removing device, and the feeding device is located above the burning device and used for quantitatively providing fuel for the burning device. A slag outlet is formed in the bottom of the combustion device, and the slag removing device comprises a slag removing chamber located under the combustion device and communicated with the slag outlet. The supporting assembly is arranged in the slag removing chamber in an inclined mode so as to receive fuel entering the slag removing chamber from the material slag outlet, and a plurality of slag leaking gaps are formed in the supporting assembly; the slag pushing plate is arranged on the higher side of the supporting assembly and can reciprocate in the inclination direction of the supporting assembly so as to push material slag on the supporting assemblyto the bottom of the sla