Incinerator with oscillating internal roller grate

A swinging pin roll type grate burning furnace belongs to the solid waste burning technology. The utility model adopts a feeding device with a double-layer push slab, a long rear arch furnace, high temperature flue gas circulating and other technical measures to make the domestic waste whose low calorific value is about equal to 3344 KJ/Kg self-ignite and burn. The left side of the furnace body is provided with the feeding device with a double-layer push slab and a feeding hopper, a circulating flue gas outlet and a feeding inlet are respectively arranged thereon. A first combustion chamber, a second combustion chamber and an afterburning chamber are arranged in the furnace body, a slag bucket is arranged under the afterburning chamber. At least three swinging pin roll type grates are arranged in the lower part of the inside of the furnace body to strengthen the flipping of a waste bed layer, an adjustable inlet box is arranged under the swinging pin roll type grates in joints, and a long rear arc furnace is arranged on the first combustion chamber. The right side of the second combustion chamber of the furnace body is provided with a high temperature flue gas outlet which is connected with waste heat boiler through a boiler frame on the periphery of a furnace body. The utility model has simple structure, can handle the domestic waste without screening, sorting, extruding dehydration and other pretreatments, can reduce the investment and lower the cost.