Burner outer flame cover

Abstract

A burner outer flame cover comprises an annular flame cover upper body and an annular flame cover lower body. The flame cover upper body is covered on the flame cover lower body. The burner outer flame cover is characterized in that a plurality of main flame grooves are formed, in the lower end face of the flame cover upper body, around the peripheral direction in a radial mode. A partition block is formed between each two adjacent main flame grooves, main flame channels are formed by the main flame grooves and the upper end face of the flame cover lower body, flame holding channels are formed between the bottom faces of the partition blocks of the flame cover upper body and the upper end face of the flame cover lower body and used for passing of auxiliary fuel gas, belt-shaped flame holding holes are formed in the portions, on side elevation of the outer flame cover, of the flame holding channels, and two adjacent main flame holes are communicated by each flame holding hole. Compared with the prior art, the burner outer flame cover has the advantages that each belt-shaped flame holding hole connects the two adjacent main flame holes into a whole, two ends of each flame holding hole can both hold on to the main flame holes, so that fuel gas is burned evenly, flame floating is not prone to happening at the time of burning, and the flame holding effect is further improved.

Description

technical field [0001] The invention relates to an outer fire cover of a burner, which belongs to the technical field of combustion equipment. Background technique [0002] Common household burners generally have an outer fire cover and an inner fire cover to stabilize the flame. The existing burner outer fire cover structure generally includes an outer fire cover body with a plurality of main fire channels. The main fire hole is formed on the outer end surface of the body. This type of patent document can refer to the Chinese utility model patent "A Conical Flame Cover for a Gas Stove Burner" (authorized announcement number: CN2842216Y) whose patent number is ZL200520014838.2, and the Chinese utility model whose patent number is ZL201120246965.0. Utility model patent "A burner fire cover" (authorized announcement number is CN202149492U). The single main flame hole combustion method disclosed above has the disadvantages that the flame is easy to jump after combustion and ...

AI Technical Summary

Problems solved by technology

[0004] Although the improved structure has achieved good technical results, there are still deficiencies: first, the flame stabilization effect has not reached the best state, and can be further improved; second, the overflow liquid easily enters the main flame hole or the flame stabilization hole to block the main flame Fire channel or flame stabilization channel; finally, it is not easy to clean after the main fire channel or flame stabilization channel is blocked

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