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Surface spray paint for metal frame and anchor for tundish cover and preparation method thereof

A metal frame and anchor technology, which is applied in the field of refractory materials, can solve the problems of human body hazards of asphalt paint, and achieve the effects of improving the utilization rate of raw materials, a good buffering effect, and improving the utilization rate of resources.

Active Publication Date: 2020-11-10
巩义市亿隆耐火材料厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method can carry out mechanical construction and prevent the influence of impurities in the casting layer. However, asphalt paint is a substance harmful to the human body. At room temperature, it can volatilize harmful substances such as phenols, anthracene, naphthalene, and pyridine. The working temperature is high, and the asphalt paint is more likely to volatilize at high temperature to produce smoke, harmful gases, etc., which will cause serious harm to the environment and human body.

Method used

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  • Surface spray paint for metal frame and anchor for tundish cover and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A surface spray paint for a metal frame and an anchor for a tundish cover is prepared from the following raw materials in weight percentage:

[0036] High alumina refractory fiber 45%,

[0037] Silica powder with particle size ≤1.3μm 36%,

[0038] 10% of pure calcium aluminate cement with particle size ≤0.088mm,

[0039] α-alumina fine powder with particle size ≤0.088mm 4%,

[0040] Magnesia fine powder with particle size ≤0.088mm 5%,

[0041] Add allyl polyether 2020 accounting for 0.15% of the total weight of the above raw materials and water accounting for 33% of the total weight of the above raw materials.

[0042] Wherein, the high-alumina refractory fiber is a by-product of fused mullite products; before the high-alumina refractory fiber is used as a raw material, the following treatment is first performed: the collected high-alumina refractory fiber is washed with clean water, and then Dry at 110±5°C for 1.8~2.5 hours to obtain high-alumina refractory fibers ...

Embodiment 2

[0049] A surface spray paint for a metal frame and an anchor for a tundish cover is prepared from the following raw materials in weight percentage:

[0050] High alumina refractory fiber 50%,

[0051] Silica powder with particle size ≤1.3μm 35%,

[0052] 7% of pure calcium aluminate cement with particle size ≤0.088mm,

[0053] α-alumina fine powder with particle size ≤0.088mm 3%,

[0054] Magnesia fine powder with particle size ≤0.088mm 5%,

[0055] Add allyl polyether 2020 accounting for 0.2% of the total mass of the above raw materials and water accounting for 35% of the total mass of the above raw materials.

[0056] Wherein, the high-alumina refractory fiber is a by-product of fused mullite products; before the high-alumina refractory fiber is used as a raw material, the following treatment is first performed: the collected high-alumina refractory fiber is washed with clean water, and then Dry at 110±5°C for 1.8~2.5 hours to obtain high-alumina refractory fibers with a...

Embodiment 3

[0063] A surface spray paint for a metal frame and an anchor for a tundish cover is prepared from the following raw materials in weight percentage:

[0064] High alumina refractory fiber 42%,

[0065] Silica powder with particle size ≤1.3μm 40%,

[0066] 10% pure calcium aluminate cement with particle size ≤0.088mm,

[0067] 4% of α-alumina fine powder with particle size ≤0.088mm,

[0068] Magnesium oxide fine powder with particle size ≤0.088mm 4%,

[0069] Add allyl polyether 2020 accounting for 0.15% of the total mass of the above raw materials and water accounting for 38% of the total mass of the above raw materials.

[0070] Wherein, the high-alumina refractory fiber is a by-product of fused mullite products; before the high-alumina refractory fiber is used as a raw material, the following treatment is first performed: the collected high-alumina refractory fiber is washed with clean water, and then Dry at 110±5°C for 1.8~2.5 hours to obtain high-alumina refractory fibe...

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Abstract

The invention provides a spraying material for a surface of a metal framework used for a tundish cover and an anchoring member and a preparation method thereof. The spraying material is prepared by raw materials of recovered high-aluminium fireproof fiber, silica micropowder, pure calcium aluminate cement, alpha-alumina micro powder, magnesium oxide fine powder, a water reducer and water. The spraying material is used for spraying the surface of the metal framework used for tundish cover and the anchoring member by a spray coater, and then spraying material is heated and dried. The spraying material takes the waste as the raw material, recovery and reutilization of the resource are realized, influence of the waste on environment can be avoided, and production cost of the spraying material;the spraying material can keep an effective buffer space on the surface of the metal framework and the anchoring member, and has good buffer effect between the anchoring member and a refractory material, influence of a prefabricated component by the metal framework and the anchoring member due to thermal expansion is avoided, and the usage life of the tundish cover can be obviously prolonged.

Description

technical field [0001] The invention belongs to the technical field of refractory materials, and in particular relates to a surface spray paint for a metal frame and an anchor for a tundish cover and a preparation method thereof. Background technique [0002] As a metallurgical reactor, the tundish is an important part of improving steel output and quality, and has a great impact on steel output and quality. The important part of the tundish, the tundish cover, can block the heat exchange and air convection between the molten steel in the tundish and the outside during the use of the tundish. operating environment, etc. The working environment of the tundish cover is very harsh during the working process: it is subject to relatively large extrusion forces such as mechanical vibration and collision; it is repeatedly subjected to changes in ambient temperature, and the high and low temperature changes are particularly large (low temperature reaches 80°C, high temperature reac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/66
CPCC04B35/66C04B2235/3206C04B2235/3217C04B2235/5228
Inventor 邵宇杰郭保生王怀育韩铁焕韩亚隆王书通
Owner 巩义市亿隆耐火材料厂
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