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Zinc slag double-vacuum purification basket anti-corrosion method

A double-vacuum and material-basket technology, which is applied in the direction of metal material coating process, coating, solid-state diffusion coating, etc., can solve the problems of short service life and poor corrosion resistance, so as to improve the service life, improve the smoothness, and solve the problem of easily corroded effect

Active Publication Date: 2016-08-17
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 vacuum purification furnace, vacuumize the inner tank of the double vacuum purification furnace. The pressure range is 10 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 out the material basket from t...

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Abstract

The present invention discloses a zinc slag double-vacuum purification basket anti-corrosion method, especially a zinc slag double-vacuum purification basket anti-corrosion method used in the field of steelmaking. Basket is subjected to infiltration treatment, and the steps of described infiltration treatment are: A, carry out surface treatment to the inner surface of material basket; B, prepare seepage material, and put the prepared infiltration material into the material basket; After loading the inner tank of the double-evaporated purification furnace, vacuumize the inner tank of the double-evaporated purification furnace. When the vacuum degree of the inner tank is <10Pa, stop vacuuming and fill with argon. When the pressure range of the inner tank is 10 4 Pa to 1.2×10 4 Pa, stop argon filling; the invention provides a zinc slag double vacuum purification basket anti-corrosion method that can effectively avoid zinc slag double vacuum purification basket corrosion. The zinc slag double-vacuum purification material basket made of Q235 steel plate is soaked and plated, which can effectively solve the problem that the existing material basket is easily corroded and improve the service life of the material 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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Patent Type & Authority Patents(China)
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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