Novel high-temperature-resistant fire-resistant paint

A high-temperature fire-resistant coating technology, applied in fire-resistant coatings, reflective/signal coatings, coatings, etc., can solve problems such as poor high-temperature resistance, achieve reduced heat loss, obvious reflection, and prolong service life

Inactive Publication Date: 2017-09-22
蒋卫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] There are many kinds of refractory coatings currently used in high-temperature furnaces, most of which are coated in a liquid state. Due to the thin coating layer, the high-temperature resistance effect is not good

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Formulate the high-temperature refractory coating of the present invention, which contains Al 2 O 3 13%, B 2 O 3 7%, Fe 2 O 3 6%, ErO 2 17%, Na 2 O 3%, SiO 9%, PA-80 glue solution 42%. Mix the above components evenly and apply them in a direct-fired chain oil heating furnace with a furnace length of 20.5 meters, a furnace inner width of 1.392 meters, and a height of 0.816 meters. Apply the paste paint on the inner side of the furnace and the roof of the furnace for 3-4 mm Thick, after high-temperature heating, the paint and the furnace wall are burnt together, the surface looks white and smooth, and the reflection effect is obvious. As the furnace wall increases the radiation to the slab, the radiation effect of the flue gas on the furnace wall and the slab is also enhanced. According to observations, there is no black smoke in the furnace, the transparency is better, and the combustion is sufficient. The furnace temperature is improved and the combustion is improved. T...

Embodiment 2

[0026] The high-temperature refractory coating of the present invention is formulated, in which Al 2 O 3 17%, B 2 O 3 5%, Fe 2 O 3 7%, ErO 2 14%, Na 2 O 7%, k 2 O 4%, SiO 9%, PS-80 glue 37%. The coating is applied to the top burner of the soaking section of a continuous steel stacking heating furnace, and the burner brick is made of phosphate refractory concrete. Apply the evenly mixed high-temperature refractory paint to the surface of the burner brick for about 5-8 mm. After 4 months of use, stop the furnace and observe that there is a hard ceramic shell on the surface of the burner brick, and the burner brick is intact.

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PUM

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Abstract

The invention provides a novel high-temperature-resistant fire-resistant paint. The novel-high temperature-resistant fire-resistant paint is prepared from aluminum oxide, diboron trioxide, ferric oxide, zirconium dioxide, sodium oxide, potassium oxide, silicon oxide and a PA-80 glue solution, and is applied to industrial furnaces and kilns like a heating furnace, a soaking pit furnace, a forging furnace, a glass furnace, an annealing furnace, an enamel firing furnace and a metal heat treatment furnace. The novel high-temperature-resistant fire-resistant paint has the advantages of being resistant to high temperature (1,500-1,800 DEG C), high in thermal efficiency, good in thermal stability, obvious in energy-saving effect and the like, and can prolong the service life of the furnaces and the kilns.

Description

Technical field [0001] The invention is a high-temperature refractory coating, which is suitable for high-temperature furnaces. Background technique [0002] At present, there are many kinds of refractory coatings applied to high-temperature furnaces, most of which are applied in the liquid state. Due to the thin coating layer, the high-temperature resistance effect is not good. Summary of the invention [0003] The purpose of the present invention is to provide a new type of high-temperature refractory coating, which is better than existing refractory coatings in terms of high temperature resistance, energy saving, and prolonging the service life of the furnace. [0004] The new high-temperature refractory coating provided by the present invention is composed of aluminum oxide, boron oxide, iron oxide, zirconium oxide, sodium oxide, potassium oxide, silicon oxide, and PA-80 glue solution (trade name). The weight ratio of each component is as follows: [0005] Aluminum oxide (Al 2 O...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D7/12C09D5/18C09D5/33
CPCC09D1/00C09D5/004C09D5/18Y02P20/10
Inventor 蒋卫
Owner 蒋卫
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