Zine covering agent

A zinc coating and raw material technology, applied in coating, metal material coating process, hot dip plating process, etc., can solve the strict control of unfavorable process performance parameters, can not provide the performance of a series of alloys, and affect the performance of alloy ingots, etc. problems, to achieve the effect of improving the performance index, preventing oxidation and low cost

Inactive Publication Date: 2003-07-09
熊超
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. When low-temperature casting is adopted, due to the increase of the viscosity of the alloy at this temperature, the slag and gas brought in with the zinc ingot are difficult to float to the surface during smelting, which affects the performance of the alloy ingot and is prone to zinc hanging during casting. cause secondary pollution
[0005] 2. Human operation has a great impact on product quality, which is not conducive to the strict control of process performance parameters, and cannot provide a series of alloys to meet the requirements of different performance requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] According to MgCl 2 · KCl90%, K 2 AlF 6 10% of the zinc covering agent is composed, and 0.8-1Kg / T zinc is added to the zinc melt to form a film on the surface of the zinc water, which effectively isolates it from contact with the atmosphere and furnace gas, and prevents it from oxidizing and absorbing gas. .

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Abstract

The zinc covering agent for treating zinc and zinc alloy melt is formed from (wt%) 85-95% mg MgCl2.KCl and 5-15% of K2AlF6. In the range of certain temperature it can be formed into compact film on the surface of molten zinc to isolate the contact of molten zinc with atmosphere and furnace gas so as to prevent the molten zinc from being oxidated and sucking gas in the smelting process.

Description

technical field [0001] The present invention relates to a surface covering agent for treating zinc or zinc alloy melts. Background technique [0002] Since the 1980s, my country's zinc production has been steadily increasing, and the application of zinc alloys, especially hot-dip galvanized, die-cast zinc and battery zinc, is becoming more and more extensive. [0003] The production of various zinc alloys in the prior art is based on the O-number zinc provided by the smelter as raw material, mixed with various alloy components, using stirring and other related methods to make the components uniform, and then casting into zinc alloy ingots of grades that meet the composition requirements. In order to make zinc alloy ingots meet various performance requirements in use, low-temperature casting is commonly used in production to reduce the gas absorption of the alloy, and water cooling is used to achieve a finer structure. But this set of technology that explores with experience...

Claims

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Application Information

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IPC IPC(8): C23C2/06C23C2/30
Inventor 熊超
Owner 熊超
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