Energy-saving premixing type burner

The utility model provides an energy-saving premixing type burner which comprises a first shell, a second shell and a fuel gas nozzle structure, wherein the first shell, the second shell and the fuel gas nozzle structure are sequentially arranged from bottom to top. The energy-saving premixing type burner further comprises a kindling tube. The fuel gas nozzle structure comprises a base part and a gas injection part, the gas injection part is provided with a plurality of gas injection holes, a mixed gas through hole is formed in the base part, and a second-level mixed gas cavity is communicated with the gas injection holes through the mixed gas through hole. An installation hole is formed in the middle of the base part of the fuel gas nozzle structure, a kindling cap is arranged in the installation hole, and the kindling tube penetrates through the lateral face and the upper end face of the first shell to be connected with the kindling cap. According to the energy-saving premixing type burner, due to the arran