Waste gas catalytic combustion equipment

The utility model relates to the technical field of industrial waste gas treatment, in particular to waste gas catalytic combustion equipment, which increases the purification stability of the device, improves the environmental protection, increases the working stability and reduces the use limitation. Comprising a purifying box, an air inlet fan, an air guide opening, a liquid discharge valve, a dispersing water pipe, atomizing nozzles, a water pump and a connecting pipe, the right end of the air inlet fan communicates with an air inlet in the left end of the purifying box, the top end of the dispersing water pipe is installed on the top wall of a cavity of the purifying box, and the top ends of the atomizing nozzles communicate with an output opening in the bottom end of the dispersing water pipe; the connecting pipe is communicated with the output end of the water pump and the input end of the dispersing water pipe; the bottom end of the catalysis box is fixed to the top end of the purification box, the ca