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Method for manufacturing zinc-coating-steel grounding electrode continuously

A manufacturing method and grounding electrode technology, which are applied in the direction of connecting contact materials, coatings, metal material coating processes, etc., can solve the problems of short life, poor performance of zinc-clad steel grounding electrodes, and low production efficiency, and achieve contact resistance. The effect of low, easy core layer thickness and high production efficiency

Active Publication Date: 2009-04-15
丁桂土
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Problems solved by technology

[0003] The technical problem to be solved and the technical task proposed by the present invention are to overcome the defects of low production efficiency, poor performance and short service life of the zinc-clad steel grounding electrode produced in the prior art, and provide a continuous manufacturing method of the zinc-clad steel grounding electrode

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  • Method for manufacturing zinc-coating-steel grounding electrode continuously
  • Method for manufacturing zinc-coating-steel grounding electrode continuously

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Embodiment Construction

[0014] refer to figure 1 , the zinc-clad steel ground electrode continuous manufacturing method is to carry out the following processes in turn on the round steel: pickling→cold drawing→polishing→heating→into the furnace combination→crystallization forming→cutting→packaging, wherein: pickling is used to clean the round steel The surface can be well combined with zinc to ensure the bonding strength of zinc and steel, reduce contact resistance and prevent steel corrosion; cold drawing is used to make round steel into required specifications, and can avoid round steel being oxidized during processing; polishing is used for Decontamination and cleaning surface again; heating is carried out with heater 2, one is to make the temperature of round steel 1 close to the temperature of molten zinc, avoiding that round steel 1 stays in the molten zinc 4 of melting furnace 3 for too long, which affects production efficiency , the second is to prevent the round steel from being oxidized due...

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Abstract

The invention discloses a continuous manufacture method of a zinc-clad steel grounding electrode and belongs to the manufacture method of metal materials. The prior art has the defect of low production efficiency and the prepared zinc-clad steel grounding electrode has the defects of poor performance and short service life. In the invention, round steel after acid cleaning is carried out on round steel, the round steel is cold drawn to a required diameter and polished; then the round steel is heated to the temperature between 200 and 300 DEG C, enters the zinc liquid in a liquation furnace and is combined with the zinc liquid; finally, the round steel comes out from the zinc liquid in the liquation furnace and forms the zinc-clad steel grounding electrode the inner core of which is steel and the outer coating is zinc by a crystallizer. The zinc of the coating is tightly combined with the steel of the core layer and is hard to be separated; the contact resistance between the zinc of the coating and the steel of the core layer is low; the thickness of the core layer is easy to be controlled and can play the role of protection on the devices and pipelines on an anode; moreover, the production efficiency is high.

Description

technical field [0001] The invention belongs to a manufacturing method of metal materials, in particular to a continuous manufacturing method of a zinc-clad steel grounding electrode. Background technique [0002] The grounding electrode is a conductive element buried in the ground. After practice tests, the zinc-clad steel grounding electrode has better performance and is widely favored by users. The Chinese Invention Patent Application Publication with application number 200510021757.X and publication number CN 1747236 Y discloses a "method for manufacturing zinc-clad steel grounding electrodes", which is to sequentially heat zinc ingots to 450°C-550°C to melt , cast into a cylindrical zinc ingot and cut into segments; heat the extrusion die to 250°C-300°C, heat the cylindrical zinc ingot to 200°C-260°C; put the extrusion die that has been preheated to a constant temperature into the press Inside the machine; put the prepared steel core into the press and fix it; press th...

Claims

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Application Information

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IPC IPC(8): H01R4/66C23C2/06
Inventor 丁桂土
Owner 丁桂土
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