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Anti-oxidation paint of fireproof carbon-containing materials

A technology of anti-oxidation coatings and refractory materials, which is applied in the field of coatings, can solve problems such as inconvenient use, and achieve the effects of preventing falling off, wide sources, and good stability

Inactive Publication Date: 2005-09-21
WUHAN IRON & STEEL (GROUP) CORP
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Yet, because the binding agent in above-mentioned two kinds of coatings adopts chemical binding agent (as water glass etc.), the storage stability problem of coating also exists
[0003] In order to overcome the above-mentioned defects, the "carbon-containing refractory material anti-oxidation coating" disclosed by the patent publication number CN1435450A, although the binder of the coating still uses a chemical binder, it adopts the method of binder and filler subpackage to solve the problem of long-term storage of the coating. Stability issues, therefore, binders and fillers need to be mixed on site, which is very inconvenient to use

Method used

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Examples

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Embodiment Construction

[0015] The filler in Example 1 of the present invention includes feldspar powder, quartz sand powder, boric acid, sodium dihydrogen phosphate, potassium dihydrogen phosphate, and its preparation method is: 44 kg of feldspar powder, 12.5 kg of quartz sand powder, 9.5 kg of boric acid, dihydrogen phosphate Pour 3 kg of sodium hydrogen, 3 kg of potassium dihydrogen phosphate, 4 kg of silicon micropowder, 2 kg of yellow dextrin, and 0.1 kg of chromic anhydride into a batch ball mill, add 21.9 kg of water and ball mill for 0.5-3 hours to obtain 100 kg of carbon-containing refractory Material Antioxidant coating.

[0016] Using the coating of Example 1 of the present invention and conventionally used coatings, an anti-oxidation comparison industrial test was carried out on the surface of steel containing carbon refractory brick lining. The test results show that the coating of the present invention does not fall off during the ladle baking process, overcomes the problem of large-are...

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Abstract

The invention relates to an anti-oxidation paint of fireproof carbon-containing materials which comprises (by weight ratio) filling material 48-72%, yellow dextrin 2-4%, silicon micronized quartz powder 4-10% and balancing water. The invention realizes good storage stability, thus no gelatin phenomenon will happen after long period of storage.

Description

technical field [0001] The invention relates to coatings, especially anti-oxidation coatings for carbon-containing refractory materials. Background technique [0002] Carbon-containing refractory anti-oxidation coatings are widely used in iron and steel metallurgical equipment due to their excellent slag resistance, high thermal shock stability, and high thermal conductivity, and there are many related technical improvements, as disclosed in Chinese Patent Publication No. CN1066078A "Anti-oxidation coating for aluminum-carbon refractories and its preparation", CN1035121A discloses "Anti-oxidation coatings containing graphite refractories". Yet, because the binding agent in above-mentioned two kinds of coatings adopts chemical binding agent (as water glass etc.), the storage stability problem of coating also exists coating. [0003] In order to overcome the above-mentioned defects, the "carbon-containing refractory material anti-oxidation coating" disclosed by the patent pub...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D5/00C09D103/02
Inventor 欧阳德刚胡铁山胡清明王海青罗安智周明石
Owner WUHAN IRON & STEEL (GROUP) CORP
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