Soot blower

A technology of soot blower and soot blower, which is used in the treatment of combustion products, combustion methods, and removal of solid residues, etc. Soot and other problems, to achieve the effect of saving soot blowing gas and electric energy, reducing the frequency of soot blowing, and reducing the degree of soot blowing
CN101876447AActive Publication Date: 2010-11-03CHINA PETROLEUM & CHEM CORP +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA PETROLEUM & CHEM CORP
Publication Date
2010-11-03

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Abstract

The invention discloses a soot blower. The invention aims to solve the problem that the existing soot blower and soot remover spray system can not well clean adhesive soot deposited on furnace tubes in a convection section of a tube heating furnace and heat exchange tubes in an air preheater. The soot blower of the invention is provided with an air intake system, a transmission system, a soot blowing tube (93) and a bracket (5), wherein the soot blowing tube is provided with two rows of soot blowing nozzles (94) in the axial direction, and a soot remover spray tube (91) is coaxially arranged in the soot blowing tube; the soot remover spray tube is axially provided with two rows of soot remover nozzles (92), and the upper part of each soot remover nozzle extends out of the wall of the soot blowing tube; each soot remover nozzle row and the corresponding soot blowing nozzle row are in the same row, and the soot blowing nozzles and soot remover nozzles in each row are alternately arranged; and the air inlet section of the soot blowing tube is provided with an air inlet (95). The invention is mainly used in tube heating furnaces in the fields of petroleum refining and petrochemical industry.
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Description

Technical field

[0001] The present invention relates to a soot blower, specifically to a soot blower used to remove soot on furnace tubes in the convection section of a tubular heating furnace and on heat exchange tubes in an air preheater. Background technique

[0002] In the fields of petroleum refining and petrochemical industry, as the properties of crude oil change and the sulfur content increases, the problem of ash accumulation and scaling on the furnace tubes in the convection section of the tubular heating furnace and the heat exchange tubes in the air preheater becomes increasingly serious. , affecting the heat transfer effect. In the case of severe dust accumulation, the heat transfer capacity of the furnace tube and heat exchange tube is reduced by approximately 30% to 50%; this will reduce the thermal efficiency of the tubular heating furnace by more than 5%, and the fuel consumption of the tubular heating furnace accounts for 10% of the oil consumption. Refini...

Claims

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