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A structured packing surface oxidation treatment device

A technology for surface oxidation treatment and structured packing, which is applied in metal material coating process, coating, solid diffusion coating and other directions, can solve the problems of complicated procedures, high cost, difficult treatment, etc., and achieve uniform treatment, easy operation and cost. low cost effect

Active Publication Date: 2018-06-05
CHINA PETROLEUM & CHEM CORP QINGDAO RES INST OF SAFETY ENG +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Traditional passivation treatment methods, such as dipping, brushing, ointment, spraying, electrochemistry, etc., have cumbersome procedures and high costs. It is difficult to deal with this kind of structured packing with large volume and complex shape.
In addition, impurities such as HF and dichromate may be introduced during the treatment process.

Method used

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  • A structured packing surface oxidation treatment device

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Embodiment Construction

[0015] In order to simplify the treatment process, reduce the treatment cost, reduce the requirements for treatment parts, and improve the treatment effect, the present invention provides a surface oxidation treatment device for structured packing, which is suitable for surface oxidation treatment of stainless steel structured packing. The device does not require passivation solution / paste, is easy to operate, low in cost, has low requirements on the shape of the test piece, can handle irregular and large samples, and has uniform and controllable treatment with excellent results.

[0016] In conjunction with the accompanying drawings, a structured packing surface oxidation treatment device includes a treatment box 7, the structured packing to be treated is placed in the treatment box 7, a gas inlet slit 8 is arranged on the treatment box 7, and the treatment box 7 passes through The gas inlet slit 8 communicates with the heating tube 4 , and a heating resistance wire is arrange...

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Abstract

The invention discloses an oxidation treatment device for the surface of structured packing. The oxidation treatment device comprises a treatment box. The structured packing to be treated is put in the treatment box. Gas entering slits are formed in the treatment box. The treatment box communicates with a heating pipe through the gas entering slits. The heating pipe communicates with a gas buffering tank through a connecting pipe. An air blower is arranged on the connecting pipe. A gas outlet hole is further formed in the treatment box. A box opening and closing door is arranged on one side of the treatment box. Passivating liquid or paste is not needed for the oxidation treatment device for the surface of the structured packing, operation is easy and convenient, cost is low, the temperature is adjustable, the requirement for the shape of a test piece is low, irregular and large samples can be treated, treatment is uniform, effects are good, and corrosion resistance is improved.

Description

technical field [0001] The invention relates to a surface oxidation treatment device for structured packing, which is suitable for surface oxidation treatment of stainless steel structured packing. Background technique [0002] Structured packing has the advantages of large specific surface area and high mass and heat transfer efficiency, but how to process it to obtain a uniform passivation film is still a technical problem to be solved urgently. Traditional passivation treatment methods, such as: dipping, brushing, ointment, spraying, electrochemical, etc., have complicated procedures and high costs. It is difficult to deal with this kind of structured packing with large volume and complex shape. In addition, impurities such as HF and dichromate may be introduced during the treatment process. Contents of the invention [0003] Based on the above technical problems, the present invention provides a surface oxidation treatment device for structured packing. [0004] The ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C8/10
CPCC23C8/10
Inventor 单广斌李贵军宋晓良刘小辉
Owner CHINA PETROLEUM & CHEM CORP QINGDAO RES INST OF SAFETY ENG