Fire-resistant burner

Abstract

A fire-resistant burner is provided which includes a burner main body, a hard pipe and a flexible pipe. The flexible pipe is embedded in the burner main body, one end of the flexible pipe is connected with the hard pipe, another end of the flexible pipe is positioned in the burner main body and is sealed, one end of the hard pipe is connected with the flexible pipe, and another end of the hard pipe extends outside of the burner main body to connect to a gas pipeline, a plurality of gas holes are formed on the flexible pipe along a length direction of the flexible pipe, each gas hole is in communicate with a corresponding gas groove formed on an outer wall of the burner main body through a corresponding gas path formed in the burner main body, and dispersion wires are arranged in each gas groove.

What is claimed is: 
     
         1 . A fire-resistant burner, comprising a burner main body, a hard pipe and a flexible pipe, wherein the flexible pipe is embedded in the burner main body, one end of the flexible pipe is connected with the hard pipe, another end of the flexible pipe is positioned in the burner main body and is sealed, one end of the hard pipe is connected with the one end of the flexible pipe inside the burner main body, and another end of the hard pipe extends outside of the burner main body to connect to a gas pipeline, a plurality of gas holes are formed on the flexible pipe along a length direction of the flexible pipe, each gas hole is in communicate with a corresponding gas groove formed on an outer wall of the burner main body through a corresponding gas path formed in the burner main body, and dispersion wires are arranged in each gas groove. 
     
     
         2 . The fire-resistant burner according to  claim 1 , wherein the burner main body is made of fire-resistant material, wherein the burner main body is a cement-based fire-resistant material body or a non-metallic fire-resistant material body. 
     
     
         3 . The fire-resistant burner according to  claim 1 , wherein the hard pipe is a metal pipe, and the hard pipe has an outer diameter of 5 mm-30 mm. 
     
     
         4 . The fire-resistant burner according to  claim 1 , wherein the flexible pipe has an outer diameter of 5 mm-50 mm. 
     
     
         5 . The fire-resistant burner according to  claim 1 , wherein the each gas hole has a diameter of 1 mm-4 mm, and a distance between two adjacent gas holes is 5 mm-50 mm. 
     
     
         6 . The fire-resistant burner according to  claim 1 , wherein the each gas groove has a width of 4 mm-10 mm, and a depth of the each gas groove is 2 mm-10 mm. 
     
     
         7 . The fire-resistant burner according to  claim 1 , wherein small holes for inserting and fixing the dispersion wires are provided on two sides of a bottom of the each gas groove. 
     
     
         8 . The fire-resistant burner according to  claim 1 , wherein the dispersion wires are metal wires, and each dispersion wire has a diameter of 0.03 mm-0.6 mm.