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Zinc residue double-vacuum purification charging basket anti-corrosion method

A double vacuum, material basket technology, applied in the direction of metal material coating process, coating, solid diffusion coating, etc., can solve the problems of poor corrosion resistance, short service life, etc., to improve the service life, improve the finish, solve the The effect of being easily corroded

Active Publication Date: 2014-03-12
攀枝花攀西蓝星化学清洗有限公司
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AI Technical Summary

Problems solved by technology

The baskets commonly used in the industry are made of Q235 steel plates, which have poor corrosion resistance and short service life

Method used

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Embodiment Construction

[0017] The present invention will be further described below.

[0018] The zinc slag double-vacuum purification material basket anticorrosion method that the present invention adopts carries out infiltration plating treatment to the zinc slag double-vacuum purification material basket made of Q235 steel plate, and the step of described infiltration plating treatment is:

[0019] A. Surface treatment on the inner surface of the basket;

[0020] B. Prepare the seepage material, and put the prepared seepage material into the material basket;

[0021] C. After loading the material basket into the inner tank of the double-evaporated air purification furnace, vacuumize the inner tank of the double-evaporated air-purified furnace. When the vacuum degree of the inner tank is 4 Pa to 1.2×10 4 Pa, stop argon filling;

[0022] D. Carry out heating and infiltration plating on the material basket, take out the inner tank to cool after the infiltration and plating is completed, and take o...

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Abstract

The invention discloses a zinc residue double-vacuum purification charging basket anti-corrosion method, and particularly discloses a zinc residue double-vacuum purification charging basket anti-corrosion method for the field of steel making. The zinc residue double-vacuum purification charging basket anti-corrosion method comprises the following step of carrying out diffusion coating treatment on a zinc residue double-vacuum purification charging basket made of a Q235 steel plate, wherein the diffusion coating treatment comprises the following steps of A, carrying out surface treatment on the inner surface of the charging basket; B, preparing a permeating material, placing the prepared permeating material into the charging basket; C, placing the charging basket into the inner tank of a double-evaporation purification furnace, then carrying out vacuumizing treatment on the inner tank of the double-evaporation purification furnace, stopping vacuumization and filling argon when the vacuum degree of the inner tank is less than 10 Pa, and stopping argon filling when the pressure of the inner tank ranges from 10<4> Pa to 1.2*10<4> Pa. The zinc residue double-vacuum purification charging basket anti-corrosion method disclosed by the invention can effectively prevent the zinc residue double-vacuum purification charging basket from being excessively fast corroded; the zinc residue double-vacuum purification charging basket anti-corrosion method can effectively solve the problem that the traditional charging basket is easy to corrode by carrying out the diffusion coating treatment on the zinc residue double-vacuum purification charging basket made of the Q235 steel plate, thereby prolonging the service life of the charging basket.

Description

technical field [0001] The invention relates to a zinc slag double-vacuum purification basket anticorrosion method, in particular to a zinc slag double-vacuum purification basket anticorrosion method used in the field of steelmaking. Background technique [0002] The treatment methods of zinc slag mainly include wet method and fire method, both of which have been successfully applied to the regeneration and purification of zinc slag. The main equipment of the wet process is a set of zinc slag remelting electrolysis device, which is separated and purified by electrolysis. The zinc precipitated at the cathode is melted and processed into zinc ingots, but the power consumption is large, and an acid solvent is needed. Also larger. The fire process mainly adopts vacuum distillation, which uses the physical three-state change of metal elements in a vacuum environment, and separates and purifies zinc through electric heating distillation. In the process of production by this proc...

Claims

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Application Information

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IPC IPC(8): C23C10/32
Inventor 成杰曹正榉
Owner 攀枝花攀西蓝星化学清洗有限公司
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