Silicon-aluminum alloy composite pipe

A silicon-aluminum alloy and composite material technology, which is applied in the pipeline field, can solve the problems of incompetence in the safe operation of coke ovens, corrosion deformation, penetration, etc., and achieve the effects that are conducive to safe production and operation, improve thermal conductivity, and facilitate heat transfer

Active Publication Date: 2017-11-24
常州江南冶金科技有限公司
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Problems solved by technology

[0003] However, because the existing general carbon steel pipes cannot withstand the high temperature of coke oven raw gas and its corrosive gases, the riser body of general materials will be corroded, deformed and penetrated after a period of use, and cannot be used for coke. Long-term safe operation of the furnace
[0004] At present, some high-grade alloy material pipes are used to solve the problems of high temperature resistance, wear resistance, and corrosion resistance. After calculation, the material cost is too high, and the recovery period for the recovery of waste heat resources is relatively prolonged, and the effect is greatly reduced.

Method used

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  • Silicon-aluminum alloy composite pipe
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Embodiment Construction

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] see figure 1 , 2 , silicon-aluminum composite material pipeline, including a pipe body 1 with an inner wall, and a wear-resistant, corrosion-resistant, and high-temperature-resistant layer 2 is arranged on the inner wall of the pipe body. Made of high-temperature wear-resistant materials. In specific implementation, the silicon-aluminu...

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Abstract

The invention relates to the technical field of pipes, in particular to a composite material pipe used for heat exchangers, more precisely to a silicon-aluminum alloy composite pipe used in coke oven riser heat exchangers, including a pipe with an inner wall The pipe body is provided with a wear-resistant, corrosion-resistant, and high-temperature-resistant layer on the inner wall of the pipe body, and the wear-resistant, corrosion-resistant, and high-temperature-resistant layer is composed of a silicon-aluminum alloy wear-resistant material and a nano-scale anti-corrosion, high-temperature, and wear-resistant material. The invention has the advantages of high temperature resistance, wear resistance, corrosion resistance and long service life, and can meet the requirements of short energy-saving recycling cycle and good effect of waste heat resources.

Description

technical field [0001] The invention relates to the technical field of pipelines, in particular to a composite material pipeline for heat exchangers, more precisely, to a silicon-aluminum alloy composite material pipeline used in coke oven riser heat exchangers. Background technique [0002] The efficient recovery and utilization of waste heat resources generated in the coking process is the main direction of building a resource-saving and environmentally friendly green coking plant for energy conservation, and it is also one of the main ways to reduce coke oven energy consumption. How to find a reasonable material to replace the coke oven riser and meet the requirements of high temperature, wear resistance and corrosion resistance is the key to better use of waste heat. [0003] However, because the existing general carbon steel pipes cannot withstand the high temperature of coke oven raw gas and its corrosive gases, the riser body of general materials will be corroded, def...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C28/00F28F1/00F28F21/00
Inventor 韩培曹振顺
Owner 常州江南冶金科技有限公司
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