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High heat conductive carbon ramming mass and preparation method thereof

A technology of carbon ramming material and high thermal conductivity, which is applied in the field of carbon ramming material to achieve the effect of improving thermal conductivity, improving thermal conductivity, and ensuring long life and stable operation

Inactive Publication Date: 2013-11-13
WUHAN WINNING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to overcome the problems existing in the existing carbon ramming materials, and the purpose is to provide a preparation method of an easy-to-construct high thermal conductivity carbon ramming material; the high thermal conductivity carbon ramming material prepared by the method can make the blast furnace The cooling system can effectively cool the furnace lining, which can ensure the long life and stable operation of the blast furnace

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A high thermal conductivity carbon ramming material and a preparation method thereof. The raw materials and content of the high thermal conductivity carbon ramming material are:

[0031] Industrial synthetic graphite with a particle size of 1~5mm is 40~45wt%;

[0032] Industrial synthetic graphite with a particle size of less than 0.074 mm is 15~22wt%;

[0033] Phosphorus flake graphite with a particle size of 1~5mm is 10~17 wt%;

[0034] High carbon composite powder is 8~13 wt%;

[0035] The modified composite thermosetting resin is 10-12 wt%.

[0036] The preparation method of the high thermal conductivity carbon ramming material is as follows: according to the above raw materials and their content, first mix industrial synthetic graphite with a particle size of 1 to 5 mm and high carbon composite micropowder in a mixer at a speed of 5 to 10 minutes; then add 5 to 10 minutes. 8wt% modified composite thermosetting resin, stir in the mixer at medium speed for 5-15min, then high-...

Embodiment 2

[0039] A high thermal conductivity carbon ramming material and a preparation method thereof. The raw materials and content of the high thermal conductivity carbon ramming material are:

[0040] Industrial synthetic graphite with a particle size of 1~5mm is 33~43wt%;

[0041] Industrial synthetic graphite with a particle size of less than 0.074 mm is 7~16wt%;

[0042] Phosphorus flake graphite with a particle size of 1~5mm is 16~25 wt%;

[0043] High carbon composite powder is 12~17wt%;

[0044] The modified composite thermosetting resin is 11~13wt%.

[0045] The preparation method of the high thermal conductivity carbon ramming material is as follows: according to the above raw materials and their content, first mix industrial synthetic graphite with a particle size of 1 to 5 mm and high carbon composite micropowder in a mixer at a speed of 5 to 10 minutes; then add 5 to 10 minutes. 8wt% modified composite thermosetting resin, stir in the mixer at medium speed for 5-15min, then high-sp...

Embodiment 3

[0048] A high thermal conductivity carbon ramming material and a preparation method thereof. The raw materials and content of the high thermal conductivity carbon ramming material are:

[0049] Industrial synthetic graphite with a particle size of 1~5mm is 30~38wt%;

[0050] Industrial synthetic graphite with a particle size less than 0.074 mm is 6~8wt%;

[0051] Phosphorus flake graphite with a particle size of 1~5mm is 24~30 wt%;

[0052] High carbon composite powder is 14-20 wt%;

[0053] The modified composite thermosetting resin is 13-15 wt%.

[0054] The preparation method of the high thermal conductivity carbon ramming material is as follows: according to the above raw materials and their content, first mix industrial synthetic graphite with a particle size of 1 to 5 mm and high carbon composite micropowder in a mixer at a speed of 5 to 10 minutes; then add 5 to 10 minutes. 8wt% modified composite thermosetting resin, stir in the mixer at medium speed for 5-15min, then high-spee...

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Abstract

The invention relates to a high heat conductive carbon ramming mass and a preparation method thereof. According to the technical scheme of the invention, the high heat conductive carbon ramming mass comprises the raw materials in percentage by weight: 30-45wt% of industrially synthesized graphite with granularity of 1-5mm, 6-22wt% of industrially synthesized graphite with granularity smaller than 0.074mm, 10-30wt% of flake graphite with granularity of 1-5mm, 8-20wt% of high carbon composite micro powder, and 10-15wt% of modified composite thermosetting resin. The preparation method comprises the following steps: stirring the industrially synthesized graphite with granularity of 1-5mm and high carbon composite micro powder at an intermediate speed first; then, adding 5-8wt% of modified composite thermosetting resin, and stirring at an intermediate speed first and then at a high speed; and finally, pouring the balance of raw materials and residual modified composite thermosetting resin, and stirring at a high speed to prepare the high heat conductive carbon ramming mass. The heat conductive carbon ramming mass provided by the invention has the characteristic of easiness in construction; and according to the prepared heat conductive carbon ramming mass, a cooling system of a blast furnace can be used for effectively cooling a brasque, so that the blast furnace operates stably for a long time.

Description

technical field [0001] The invention belongs to the technical field of carbon ramming materials. Specifically relates to a high thermal conductivity carbon ramming material and a preparation method thereof. Background technique [0002] With the continuous development of modern blast furnaces in the direction of large-scale furnace capacity and high-efficiency production, the importance of blast furnace longevity has become increasingly apparent. The improvement of blast furnace masonry technology and masonry materials has put forward higher requirements. The carbon bricks used in masonry have developed from ordinary carbon bricks to microporous carbon bricks, semi-graphite carbon bricks, graphite carbon bricks and ultra-microporous carbon bricks. , there are higher requirements for carbon ramming materials used in conjunction with carbon bricks, [0003] Carbon ramming material for blast furnace is mainly used in the leveling layer of the blast furnace bottom (the ramming...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66
Inventor 丁岩峰姜灵玺王翔
Owner WUHAN WINNING TECH
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