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A rapid repair refractory material and its preparation and use method

A refractory material and fast technology, applied in the field of refractory materials, can solve the problems of short service life of refractory materials, and achieve the effect of good thermal shock stability, high strength and rich material system

Active Publication Date: 2017-12-12
TONGDA REFRACTORY TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a rapid repair refractory material and its preparation and use method, which solves the problem of dual construction methods of "casting construction and ramming construction" for repair materials at the same time
It also improves the strength, alkali resistance, wear resistance and thermal shock stability of the repair material, and solves the problem of short service life of refractory materials in the cement kiln co-processing solid waste technology

Method used

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  • A rapid repair refractory material and its preparation and use method
  • A rapid repair refractory material and its preparation and use method
  • A rapid repair refractory material and its preparation and use method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of rapid repair refractory material, by mass percentage, the composition is as follows:

[0025]

[0026] During construction, the above-mentioned formula materials are formulated into products according to the production process, and each bag of material in the product packaging is poured into a forced mixer and mixed for two minutes. After mixing evenly, add water. The amount of water added is 2.8% of the total weight of the formula materials, and continue to stir From 3 minutes to 5 minutes, sample 1 was prepared by ramming method; according to the same method, the amount of water added was 5.8% of the total weight of the formula material, sample 2 was prepared by vibration casting method, and its performance index was tested.

[0027] Table 1 Sample 1 Performance Index

[0028]

[0029] Table 2 Performance index of sample 2

[0030]

Embodiment 2

[0032] A kind of rapid repair refractory material, by mass percentage, the composition is as follows:

[0033]

[0034] During construction, above-mentioned example Ⅱ formula material is formulated into product according to production process, and each bag material in the product packaging is poured into the compulsory mixer and mixed and stirred for 2 minutes, after mixing evenly, add water, and the amount of water added is 3% of the formula material gross weight, Stirring was continued for 3 minutes, and sample 3 was formed by ramming method; in the same way, the amount of water added was 6% of the total weight of the formula material, sample 4 was formed by vibration casting method, and its performance index was tested.

[0035] Table 3 Performance Index of Sample 3

[0036]

[0037] Table 4 Sample 4 Performance Index

[0038]

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Abstract

A rapid repair refractory material and its preparation and use methods belong to the technical field of refractory materials. Refractory materials include: brown corundum 22-78wt%, SiC12-42wt%, α-Al2O3 micropowder 6-9wt%, silica micropowder 1-2wt%, metal silicon powder 1-4wt%, clay 0-3wt%, phosphoric acid solution 3-5wt%, magnesia 2-4wt%, magnesia-aluminum spinel 3-8wt%, and solid aluminum dihydrogen phosphate as materials 4-6wt%. The advantage is that it meets the requirements of high strength, alkali resistance, wear resistance, good thermal shock stability and rapid hardening, and enriches the material system of refractory materials.

Description

technical field [0001] The invention belongs to the technical field of refractory materials, and in particular relates to a quick repair refractory material and its preparation and use method. Background technique [0002] Since the 1990s, my country has actively tried to use cement kilns to co-process waste. However, due to factors such as unclear waste characteristics, immature treatment processes and key technologies, and insufficient experience in enterprise operation and management, the industrial development is still at a low level. In the initial stage, the co-processing of solid waste in cement kilns is facing a bottleneck that is difficult to implement with good technology. This includes the problem of reduced service stability and reduced service life of refractory materials used in co-processing of cement kilns. Due to the gas generated during solid waste incineration (such as HCl, SO 2 , Cl 2 , CO and alkali metal gases, etc.) are highly corrosive to refractory...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/66
Inventor 张海波张康康李燕京李平冯运生
Owner TONGDA REFRACTORY TECH CO LTD
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