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A kind of manufacturing method of burner brick for singeing machine

A production method and a technology of a crater brick, which are applied in the field of refractory materials and can solve problems such as production stoppage, crater brick peeling failure, time-consuming and labor-intensive problems

Active Publication Date: 2021-06-25
宋振亚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in actual work, the burner bricks are constantly subjected to high temperature cycles from room temperature to ~1000°C, and are constantly subjected to rapid changes in thermal stress. Under the long-term cyclic thermal stress, the burner bricks are prone to thermal fatigue cracks, and the cracks are prone to lead to burner cracks. Brick Peeling Failure
Therefore, at present, the service life of domestically produced burner bricks in the industry is not long, generally no more than one month, and replacement of burner bricks will not only stop production, but also take time and effort. Higher production efficiency of singeing machine, lower operating costs

Method used

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  • A kind of manufacturing method of burner brick for singeing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1: Includes the following steps:

[0017] A method of fabricating a burning machine for fire bricks, characterized in that the following steps are included:

[0018] (1) Mix the aqueous silica sol with aqueous alumina sol in a weight ratio of 1: 1.5 to obtain a mixed sol;

[0019] The aqueous silica sol pH is 2.5, the silica content is 40%; aqueous alumina sol pH is 2, and the alumina content is 40%;

[0020] (2) After the particle size of 250 to 325 microns, silicon carbide particles inserted (1) was immersed in a mixed sol, and filtered, dried at 150 ° C, repeating this process 2 times, resulting in mixing Sol coated silicon carbide particles;

[0021] (3) Add 8% weight fraction of PVA glue and 4% weight fraction of mixed sol extract to the mixed powder of aluminum oxide and alumina, and crush, over 10 mesh screen, resulting in mixed powder granulation material;

[0022] The mixing process of the mixed powder of aluminum aluminum titanate and alumina is calcined a...

Embodiment 2

[0025] Example 2: Includes the following steps:

[0026] A method of fabricating a burning machine for fire bricks, characterized in that the following steps are included:

[0027] (1) Mix the aqueous silica sol with aqueous alumina sol in a weight ratio of 1: 1.9 to obtain a mixed sol;

[0028] The aqueous silica sol pH is 2.5, the silica content is 40%; aqueous alumina sol pH is 2, and the alumina content is 40%;

[0029] (2) After the particle size of 250 to 325 microns, silicon carbide particles inserted (1) was immersed in a mixed sol, and filtered, dried at 150 ° C, repeating this process 2 times, resulting in mixing Sol coated silicon carbide particles;

[0030] (3) Add 8% weight fraction of PVA glue and 4% weight fraction of mixed sol extract to the mixed powder of aluminum oxide and alumina, and crush, over 10 mesh screen, resulting in mixed powder granulation material;

[0031] The mixing process of the mixed powder of aluminum aluminum titanate and alumina is calcined a...

Embodiment 3

[0034] Example 3: Includes the following steps:

[0035] A method of fabricating a burning machine for fire bricks, characterized in that the following steps are included:

[0036] (1) Mix the aqueous silica sol with aqueous alumina sol in a weight ratio of 1: 2.3 to obtain a mixed sol;

[0037] The aqueous silica sol pH is 2.5, the silica content is 40%; aqueous alumina sol pH is 2, and the alumina content is 40%;

[0038] (2) After the particle size of 250 to 325 microns, silicon carbide particles inserted (1) was immersed in a mixed sol, and filtered, dried at 150 ° C, repeating this process 2 times, resulting in mixing Sol coated silicon carbide particles;

[0039] (3) Add 8% weight fraction of PVA glue and 4% weight fraction of mixed sol extract to the mixed powder of aluminum oxide and alumina, and crush, over 10 mesh screen, resulting in mixed powder granulation material;

[0040] The mixing process of the mixed powder of aluminum aluminum titanate and alumina is calcined a...

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Abstract

A method for making a burner brick for a singeing machine, comprising the following steps: (1) Putting silicon carbide particles with a particle size range of 160 to 325 microns into a mixed sol composed of silicon dioxide and alumina, and performing coating treatment (2) According to the weight ratio of 1:8~1:14, the aluminum titanate micropowder and the alumina micropowder are mixed to obtain a mixed powder, and 5%~8% by weight of PVA glue and 2~ 5% weight fraction of the mixed sol, for mixing and granulation; (3) uniformly mix the materials obtained in step (2) and step (1) in a weight ratio of 1:2.5~1:4.5, and press molding to obtain Crater brick green; (4) Sinter the burner brick green at a temperature of 1500-1550°C for 2-3 hours to obtain the final product. The singeing machine burner brick of the present invention has excellent high temperature resistance and thermal shock resistance, and has a long service life, which can generally reach 18 to 20 months, which is more than 6 times that of conventional products.

Description

Technical field [0001] The present invention relates to a fire-resistant fire brick, belonging to the field of refractory, forming a fire in the textile printing industry to consolidate the cloth surface. Background technique [0002] In order to make the fabric surface smooth, it is not easy to contaminate dust and prevent dyeing, printed, etc., in addition to some special varieties, general cotton, hemp, chemical fiber fabric before printing and dyeing, It is necessary to have a burning. [0003] The fabric burning requires as much as possible to remove the mulgia on the layout, while do not cause the fabric itself to catch fire, which requires the burning of the mulberry (also oxidative reaction) to be completed in a short time as possible. Although there are many types of burning machines, but currently use more gas-burning machines, the flame of various gases or liquid fuel is used to remove the surface of the fabric. Thus, such flames must have two basic characteristics: as...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/66
CPCC04B35/66
Inventor 宋振亚张临财
Owner 宋振亚
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