Mixed ceramic combustor with multi-row of alternated nozzles

Abstract

The invention relates to a mixed ceramic burner with multiple rows of nozzles interlaced at intervals, which can effectively solve the problems of poor mixture of gas and air, incomplete burning or unstable burning. The structure is as follows: two rows of gas nozzles and two rows of air nozzles are arranged in an interlaced mode, i.e. gas nozzles-air nozzles-gas nozzles-air nozzles from top to bottom; the plurality of gas nozzles are respectively communicated with gas loops through a plurality of gas nozzle pipelines; the plurality of air nozzles are respectively communicated with air loops through a plurality of air nozzle pipelines; the air nozzle pipelines and the gas nozzle pipelines are distributed in the wall of the burner in a spiral shape; and the outlet directions of the air nozzles are inclined and upward to the level direction; the outlet directions of the gas nozzles are level or inclined downward, and the gas nozzles spray gas to a burning chamber. The invention effectively solves the problems of poor mixture of gas and air, incomplete burning or unstable burning, saves energy, protects the environment, and has great economic and social benefits.

Description

1. Technical field [0001] The invention relates to a multi-row nozzle interlaced mixed ceramic burner used on a blast furnace hot blast stove. 2. Background technology [0002] The burner (or combustion device) is an indispensable core device of the combustion furnace equipment. Whether its performance and structure are good or not directly affects the fuel utilization rate of the furnace, thermal efficiency and whether it meets the requirements of energy saving and environmental protection. For the burner that adopts the diffusion combustion method, the transition from the sleeve burner to the comb-shaped air nozzle rectangular burner has been completed gradually, and it has been developed to the annular multi-nozzle jet swirl mixed backflow preheating flame stabilization technology or annular Multi-nozzle staggered upper injection premixed combustion and air flow turning back to preheat and stabilize flame to enhance combustion technology. With the development of combusti...

AI Technical Summary

Problems solved by technology

[0003] In view of the above situation, in order to overcome the defects of the prior art, the object of the present invention is to provide a multi-row nozzle interleaved mixed ceramic burner, which can effectively solve the problems of poor mixing of gas and air, incomplete combustion or instability, and it solves the problem of The technical solution is to include the gas ring, the air ring and two rows of gas nozzles in the wall of the burner body, the gas nozzle pipes connecting the gas ring and the gas nozzles, the two rows of air nozzles and the connecting air ring and the air nozzles. Air nozzle pipeline; the two rows of gas nozzles and the two rows of air nozzles are arranged staggeredly, from top to bottom are gas nozzles-air nozzles-gas nozzles-air nozzles; multiple gas nozzles pass through multiple gas nozzle pipes It is connected with the gas ring; multiple air nozzles are respectively connected with the air ring through multiple air nozzle pipes; the air nozzle pipe and the gas nozzle pipe are distributed in the wall of the burner in a spiral shape, and the outlet direction of the air nozzle is in the same direction as the horizontal direction. Inclined upwards, the exit direction of the gas nozzle is horizontal or inclined downwards, spraying into the combustion chamber, the invention effectively solves the problems of poor mixing of gas and air, incomplete combustion or instability, energy saving, environmental protection, and its application has huge potential Economic and Social Benefits

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