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Method for preparing high-silicon silicon steel thin strip by electric brush composite plating method and continuous preparation device for silicon steel strip

A composite plating and electric brush plating technology, applied in electrolytic coatings, coatings and other directions, can solve problems such as lack of low-cost preparation of high-silicon steel sheets, and achieve the effects of avoiding rolling processing difficulties, fast plating speed, and avoiding adverse effects.

Active Publication Date: 2016-06-29
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that there are still many technical problems to be solved in the process and equipment for continuous preparation and large-scale production of high-quality high-silicon steel sheets, and there is still a lack of effective means for low-cost preparation of high-silicon steel sheets

Method used

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  • Method for preparing high-silicon silicon steel thin strip by electric brush composite plating method and continuous preparation device for silicon steel strip
  • Method for preparing high-silicon silicon steel thin strip by electric brush composite plating method and continuous preparation device for silicon steel strip
  • Method for preparing high-silicon silicon steel thin strip by electric brush composite plating method and continuous preparation device for silicon steel strip

Examples

Experimental program
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Effect test

Embodiment 1

[0036] In this example, see figure 1 and figure 2 , a silicon steel strip continuous preparation device utilizing the brush composite plating method according to any one of claims 1 to 3 to prepare high-silicon silicon steel thin strips, characterized in that it mainly includes unwinding guides arranged in accordance with the sequence of processes device, conveying device, electroplating device, diffusion heat treatment device and winding device, specifically:

[0037] Use pure iron strip, low-carbon steel strip or low-silicon silicon steel strip as the cathode coating strip 7, and roll the continuous cathode coating strip 7 on the reel to form the coating strip roll 2, unwind The guiding device mainly includes the unwinding guide fixed pulley 8 of the plated thin strip roll 2, and the cathode plated piece thin strip 7 is automatically conveyed by controlling the conveying device, so that the plated thin strip roll 2 is uncoiled and drawn out, and then bypasses the unwinding...

Embodiment 2

[0046] This embodiment is basically the same as Embodiment 1, especially in that:

[0047] In this example, see image 3 , between the electroplating device and the heat treatment furnace 11, a furnace guide fixed pulley 10 is also arranged, and the furnace tube of the heat treatment furnace 11 is arranged horizontally, and the electroplated high-silicon composite coated steel strip bypasses the furnace guide fixed pulley 10, and enters the heat treatment furnace horizontally Diffusion heat treatment is carried out in the furnace tube of 11. The winding device of this embodiment adopts horizontal winding, so that the height of the vertical winding equipment is significantly reduced, and at the same time, it does not increase the occupation of the plane layout of the equipment, the equipment layout is more reasonable, and the equipment works more stably.

Embodiment 3

[0049] This embodiment is basically the same as the previous embodiment, and the special features are:

[0050] In this embodiment, the brush-plated anode plates 3 and 6 are flat cold-pressed graphite plates with high purity and fine structure. The cold-pressed graphite plates have light specific gravity, high refractoriness, large thermal conductivity, good thermal stability and use Advantages such as less pollution.

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Abstract

The invention discloses a method for preparing a high-silicon silicon steel strip by an electric brush composite plating method. A pure iron strip, a low-carbon steel strip or a low-silicon silicon steel strip is used as a cathode plated strip, and an anode plate is plated by an electric brush. As the anode, a layer of iron-iron-silicon particle composite coating is covered on the cathodic plating thin strip through the brush composite silicon plating process to form a composite coated steel strip with the core as the steel strip matrix, and then perform uniform diffusion heat treatment to make the iron - The silicon-containing particles in the composite coating of ferrosilicon particles are uniformly diffused into the steel strip matrix at the core, thereby continuously preparing high-silicon steel thin strips. The invention also discloses a silicon steel strip continuous preparation device, which includes an unwinding guiding device, a conveying device, an electroplating device, a diffusion heat treatment device and a winding device. In the invention, the high-silicon silicon steel strip with excellent magnetic properties is obtained by electroplating the high-silicon coating on the cathode-plated thin strip, and then undergoing a heat treatment process. The method is simple to operate, has the characteristics of high efficiency and continuous preparation, and can greatly reduce the preparation cost.

Description

technical field [0001] The invention relates to a metal material preparation process and equipment, in particular to a silicon steel strip preparation process and device, which are applied in the technical field of continuous silicon steel strip manufacturing. Background technique [0002] Silicon steel is a very important soft magnetic material. It is an indispensable and important soft magnetic alloy for electric power, electronics and military industries. It is also the metal functional material with the largest output. It is mainly used as the iron core of various motors, generators and transformers. The performance of silicon steel sheets directly affects the utilization efficiency of national electric energy. Therefore, the development of high-performance silicon steel materials has very important strategic significance. [0003] High-performance silicon steel sheets require silicon steel sheets to have high initial and maximum magnetic permeability, low iron loss, and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D15/00C22C33/00C22C38/02
Inventor 钟云波龙琼刘春梅李甫王怀沈喆任维丽雷作胜
Owner SHANGHAI UNIV
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