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Acid pickling device for inner and outer surfaces of pipes

An internal and external surface, pickling device technology, applied in the field of metallurgical machinery, can solve the problems of low pickling output, difficult to control surface quality, etc., to achieve the effects of good pickling quality, flexible and reliable working mode, and convenient connection

Active Publication Date: 2016-08-17
JIANGSU PROVINCE METALLURGICAL DESIGN INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The pickling process of dipping pickling method has the disadvantage that the surface quality is not easy to control, while the jet pickling method is suitable for pipes with larger diameters, and the pickling output is low

Method used

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  • Acid pickling device for inner and outer surfaces of pipes
  • Acid pickling device for inner and outer surfaces of pipes
  • Acid pickling device for inner and outer surfaces of pipes

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Embodiment Construction

[0028] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0029] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood ...

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Abstract

The invention provides an acid pickling device for the inner and outer surfaces of a pipes. The acid pickling device comprises an acid groove which contains an acid pickling solution, a pipe tool device, a tool clamping mechanism, a traversing device, an acid conveying pipeline and a rack, wherein a plurality of slots are formed in the pipe tool device; the two ends of the pipes are inserted into the slots respectively; the rack is arranged above the acid groove; the traversing device is arranged on the rack and can also horizontally move on the rack; the upper end of the tool clamping mechanism is arranged on the traversing device; the lower end of the tool clamping mechanism is connected with the pipe tool device; one end of the acid conveying pipeline is connected with the pipe tool device; the other end of the acid conveying pipeline is connected with an acid pump to supply the acid pickling solution to the inner walls of the pipes; and the pipes are soaked in the acid pickling solution in the acid groove during acid pickling. According to the acid pickling device, once acid pickling of a plurality of pipes can be realized, the production efficiency, the acid pickling quality and the acid pickling uniformity are improved, and meanwhile, the opportunity that personnel approaches acid liquor is reduced.

Description

technical field [0001] The invention belongs to the technical field of metallurgical machinery, in particular to a pickling device for the inner and outer surfaces of pipes. Background technique [0002] Pickling refers to the use of acid solution to remove oxides and rust on metal surfaces, and is a method of cleaning metal surfaces. Usually done with pre-film. It mainly uses the principle that metal oxides react with acid solution to form salts that can be dissolved in acid solution to remove the metal oxide film on the metal surface. It is the pre-process or intermediate treatment of electroplating, rolling, heat treatment, enamel and other processes. [0003] The pickling process mainly includes immersion pickling, spray pickling and acid paste derusting method. Generally, the dipping pickling method is used, and the jet pickling method can be used for large-scale production. The dipping pickling method has the disadvantage that the surface quality is not easy to con...

Claims

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Application Information

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IPC IPC(8): C23G3/04
CPCC23G3/04
Inventor 黄生银尚启文李德成
Owner JIANGSU PROVINCE METALLURGICAL DESIGN INST
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