Online surface cleaning and protection liquid coating process of aluminum alloy high frequency welding pipes and for heat exchanger

A technology of high-frequency welded pipes and heat exchangers, which is applied to the device for coating liquid on the surface, cleaning hollow objects, cleaning methods and utensils, etc., can solve the problems of cleaning and protective liquid coating process without data and solutions, etc. Achieve the effects of saving procedures, protecting the environment and reducing processing costs

Inactive Publication Date: 2013-01-16
广州大华仁盛铝合金管业有限公司
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Problems solved by technology

[0003] Since aluminum alloy high-frequency welded pipe is an emerging industry in China, there is no relevant information and solutions for cleaning and protective fluid coating processes.

Method used

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  • Online surface cleaning and protection liquid coating process of aluminum alloy high frequency welding pipes and for heat exchanger
  • Online surface cleaning and protection liquid coating process of aluminum alloy high frequency welding pipes and for heat exchanger
  • Online surface cleaning and protection liquid coating process of aluminum alloy high frequency welding pipes and for heat exchanger

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Embodiment Construction

[0020] The processing technology of traditional aluminum alloy high frequency welded pipe mainly includes: strip uncoiling, shear butt welding, round pipe forming unit, guided extrusion welding, cooling device, scratching, flat pipe forming unit, flaw detection, straightening, blanking Flying shears, finished products, and aluminum alloy high-frequency welded pipe (that is, aluminum alloy flat pipe) production line are in operation, and the pipe production speed is usually between 100 m / min and 150 m / min. If the offline processing method is adopted, the workload and The cost will increase sharply, and online processing is a more feasible way. According to the heat exchanger manufacturer's requirements for the residue on the surface of the aluminum alloy high-frequency welded pipe, it does not affect the brazing, and there is no blackening on the surface visually. In view of this, the present invention carries out the product surface treatment from the process of improving the ...

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Abstract

The invention discloses an online surface cleaning and protection liquid coating process of aluminum alloy high frequency welding pipes and for a heat exchanger and belongs to the field of aluminum alloy high frequency welding pipe processing. The new process is high in production efficiency, clean in welding pipe surface and stable in storage. The technical main point includes extruding and welding aluminum alloy belt materials into aluminum alloy round pipes, cooling the aluminum alloy round pipes, removing scars on the aluminum alloy round pipes, delivering the aluminum alloy round pipes into a flat pipe molding machine to form aluminum alloy flat pipes in molding mode, enabling the aluminum alloy flat pipes to pass through a box body provided with a rotating hair brush and protection liquid, utilizing the rotating hair brush to clean the outer surface of the aluminum alloy flat pipes, coating protection liquid on the pipes and conducting follow-up work procedures to obtain finished products. The online surface cleaning and protection liquid coating process is used for processing of the aluminum alloy high frequency welding pipes.

Description

technical field [0001] The invention relates to an aluminum alloy high-frequency welded pipe processing technology, more specifically, it relates to an online surface cleaning and protective liquid coating process for an aluminum alloy high-frequency welded pipe used in a heat exchanger. Background technique [0002] Aluminum alloy high-frequency welded pipe is currently the main pipe material for heat exchangers at home and abroad. Except for some special industries, the market share of aluminum alloy high-frequency welded pipe in the heat exchanger industry accounts for more than 92%. The production process of aluminum alloy high-frequency welded pipe is a high-speed continuous cold bending process. During the deformation process, the high-speed rotation of the roll drives the raw material to undergo a series of deformations through sliding friction. During the forming process, sliding friction occurs between the roll and the aluminum alloy raw material, resulting in a sli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B9/023B05D7/14B05C1/06B05C11/10
Inventor 孙燕水董琳刘景平孙爽爽梅望生
Owner 广州大华仁盛铝合金管业有限公司
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