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Device and method for continuous galvanizing of profiles and pipes

A technology for profiles and pipes, which is applied in the field of continuous galvanizing devices for profiles and pipes, can solve the problems of uneven thickness of galvanized layers, increased galvanizing costs, and cumbersome processes, so as to save production time, improve product quality, and reduce production. cost effect

Inactive Publication Date: 2018-10-09
UNIV OF SCI & TECH BEIJING +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, after the galvanized parts processed in this way enter the galvanizing pot, the residual plating solution on the metal surface reacts with the zinc in the galvanizing pot to produce a large amount of zinc soil and zinc slag, which increases the cost of galvanizing
In addition, the galvanizing method using a fluxing solution takes a long time, the process is cumbersome, and the thickness of the galvanized layer is uneven.

Method used

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  • Device and method for continuous galvanizing of profiles and pipes
  • Device and method for continuous galvanizing of profiles and pipes
  • Device and method for continuous galvanizing of profiles and pipes

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Embodiment Construction

[0027] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0028] The invention provides a device and method for continuous galvanizing of profiles and pipes.

[0029] Such as figure 1 As shown, the galvanized parts transmission device 2 in the device passes through the reduction furnace 1, and the pipe or profile 12 to be galvanized is transferred to the zinc pot 3. The reduction furnace 1 is divided into a heating section, a reduction section and a cooling section. The end overlaps with the zinc pot 3, the transfer device 4 in the zinc pot is located in the zinc pot 3, and is located below the liquid level of the zinc liquid 7, the protective gas supply device 5 provides protective gas to the reduction furnace 1, and the control system controls the entire galvanizing device running.

[0030] Figure 4The fl...

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Abstract

The invention provides a device and a method for continuous galvanizing of a profile and a pipe, and belongs to the technical field of galvanizing of the profiles and the pipes. The device consists of a reducing furnace, a galvanized part transmission device, a hot galvanizing zinc pot, a transmission device in the zinc pot, a protective gas supply device and a control system. By the use of the device, galvanizing assistant fluid is not needed to be coated on the surface of a galvanized part, so that formation of zinc soil due to retention of the galvanizing assistant fluid on zinc liquid is avoided; due to the efficient reducing furnace and the transmission device in the zinc pot, the production time can be greatly shortened; and protective gas in the zinc pot further reduces oxidized slag of the high-temperature zinc liquid, so that the production cost is effectively reduced.

Description

technical field [0001] The invention relates to the technical field of galvanizing of profiles and pipes, in particular to a device and method for continuous galvanizing of profiles and pipes. Background technique [0002] Galvanizing refers to a surface treatment technology that covers a layer of metal zinc on the surface of metals, alloys or other materials to achieve aesthetics and anti-rust effects. Metal materials after galvanizing are widely used in industrial and civil occasions, and the main method currently used is hot-dip galvanizing. In the traditional profile and pipe processing technology, the finished product generally has a process of air-water cooling. Stacking and cooling in the air will produce a layer of iron oxide scale, so this layer of iron oxide scale must be removed before galvanizing. When hot-dip galvanizing metal profiles and pipes, due to the irregular cross-section and the difficulty of continuous production of similar plates and strips in the p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C2/06C23C2/38C23C2/34
CPCC23C2/003C23C2/06C23C2/34C23C2/38
Inventor 张勇军王强程知松张进张崇
Owner UNIV OF SCI & TECH BEIJING
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