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A kind of modified electrode paste and preparation method thereof

A technology of electrode paste and modification, which is applied in the direction of cable/conductor manufacturing, circuits, electrical components, etc., can solve the problems of high resistivity, increased power consumption, etc., and achieve high mechanical strength, reduce power loss, and low price.

Active Publication Date: 2018-08-14
宁夏蓝伯碳素有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the commonly used electrode paste on the market has a large ash content, resulting in high resistivity and increased power consumption. In order to enhance the stability and use effect of the electrode paste, the electrode paste still needs further optimization.

Method used

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  • A kind of modified electrode paste and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1 A modified electrode paste, mainly prepared from the following raw materials (50 kg each): 3 parts of electric calcined anthracite, 3 parts of calcined petroleum coke, 1.2 parts of resin-modified asphalt binder, and 0.08 parts of attapulgite , 0.08 parts of zirconium dioxide, 1 part of medium temperature coal tar pitch powder. The preparation method of above-mentioned a kind of modified electrode paste is:

[0022] (1) Crushing and grading electric calcined anthracite (purchased from Ningxia Wanboda Carbon Products Co., Ltd.), wherein the particle size of 6-18mm is the first-grade granular material, and the particle size of 3-6mm is the second-level granular material;

[0023] (2) After sieving and grinding the calcined petroleum coke (purchasable from Ruichi Carbon Products Co., Ltd.), it is graded, among which the particle size of 1-3mm is the third-grade granular material, and the particle size of 0.080-1mm is the fourth-grade granular material ;

[0024]...

Embodiment 2

[0026] Example 2 A modified electrode paste, which is mainly prepared from the following raw materials (50 kg each): 5 parts of electrocalcined anthracite, 6 parts of calcined petroleum coke, 1.8 parts of resin-modified asphalt binder, and 0.12 parts of attapulgite , 0.12 parts of zirconium dioxide, 1.2 parts of medium temperature coal tar pitch powder. The preparation method of above-mentioned a kind of modified electrode paste is:

[0027] (1) Crushing and grading electric calcined anthracite (purchased from Ningxia Wanboda Carbon Products Co., Ltd.), wherein the particle size of 6-18mm is the first-grade granular material, and the particle size of 3-6mm is the second-level granular material;

[0028] (2) After sieving and grinding the calcined petroleum coke (purchasable from Ruichi Carbon Products Co., Ltd.), it is graded, among which the particle size of 1-3mm is the third-grade granular material, and the particle size of 0.080-1mm is the fourth-grade granular material ;...

Embodiment 3

[0031] Example 3 A modified electrode paste, mainly prepared from the following raw materials (50 kg each): 3.5 parts of electric calcined anthracite, 4 parts of calcined petroleum coke, 1.4 parts of resin-modified asphalt binder, and 0.09 parts of attapulgite , 0.09 parts of zirconium dioxide, and 1.05 parts of medium-temperature coal tar pitch powder. The preparation method of above-mentioned a kind of modified electrode paste is:

[0032] (1) Crushing and grading electric calcined anthracite (purchased from Ningxia Wanboda Carbon Products Co., Ltd.), wherein the particle size of 6-18mm is the first-grade granular material, and the particle size of 3-6mm is the second-level granular material;

[0033] (2) After sieving and grinding the calcined petroleum coke (purchasable from Ruichi Carbon Products Co., Ltd.), it is graded, among which the particle size of 1-3mm is the third-grade granular material, and the particle size of 0.080-1mm is the fourth-grade granular material ;...

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Abstract

The invention discloses a modified electrode paste which is mainly composed of the following components by mass: 3-5 parts of electrically calcined anthracite, 3-6 parts of calcined petroleum coke, 1.2-1.8 parts of resin modified asphalt binder, 0.08-0.12 parts of attapulgite, 0.08-0.12 parts of zirconium dioxide and 1-1.2 parts of medium-temperature coal tar pitch powder. The modified electrode paste provided by the invention has advantages of high oxidation resistance, high conductivity and high mechanical strength. The expansion coefficient and resistance coefficient of the modified electrode paste are respectively smaller than the expansion coefficient and the resistance coefficient of a routine electrode paste, thereby effectively reducing electric energy loss.

Description

technical field [0001] The invention relates to the technical field of conductive materials, in particular to a modified electrode paste and a preparation method thereof. Background technique [0002] Electrode paste is a conductive material often used in electric furnace equipment such as ferroalloy furnaces and calcium carbide furnaces. The electrode paste can withstand high temperature and has a small coefficient of thermal expansion. It has a relatively small resistivity, which can reduce the loss of electric energy. It has a small porosity, which can slow down the oxidation of the electrode in the heated state. It has high mechanical strength, so that the electrodes will not break due to the influence of mechanical and electrical loads. [0003] The Chinese patent literature with publication number CN 102956281 A (application number 201210436294.3) discloses electrode paste and its production method. It is made of the following raw materials in mass percentage: resid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B1/04H01B13/00
CPCH01B1/04H01B13/00
Inventor 不公告发明人
Owner 宁夏蓝伯碳素有限公司