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Anti-adhesion spray coating material used for molten iron tank, preparation method and spray coating method thereof

A technology for molten iron cans and paint spraying is applied in the field of refractory materials, which can solve the problem of high material cost and achieve the effect of good anti-sticking effect.

Active Publication Date: 2016-12-21
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But the cost of the above materials is higher

Method used

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  • Anti-adhesion spray coating material used for molten iron tank, preparation method and spray coating method thereof
  • Anti-adhesion spray coating material used for molten iron tank, preparation method and spray coating method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1 anti-sticking spray paint, such as figure 1 As shown, the specific steps are:

[0026] 1) The aluminum oxide content in the ferrovanadium slag adopted by the aluminothermic method is 65.7%, and the calcium oxide content is 10.6%. The ferrovanadium slag is crushed, ground, and sieved to make an aggregate particle size of 0.5-3mm, and the ferrovanadium slag powder particle size is Less than 0.5mm, the particle size of vanadium iron slag powder is less than 0.045mm.

[0027] 2) Crushing and screening quicklime with a calcium oxide content of 88% to produce quicklime particles with a particle size of 0.5-2 mm and quicklime powder with a particle size of less than 0.2 mm.

[0028] 3) Weigh 55% of vanadium iron slag aggregate, 20% of powder, 5% of micropowder, 15% of quicklime particles, 5% of quicklime powder, and 0.2% of dispersant (external mix) according to weight percentage; mix the above materials evenly, pack , You can get the anti-adhesive coating produ...

Embodiment 2

[0029] Embodiment 2 anti-sticking spray paint, such as figure 1 As shown, the specific steps are:

[0030] 1) The alumina content in the aluminothermic ferrovanadium slag is 65.7%, and the calcium oxide content is 10.6%. The ferrovanadium slag is crushed, ground and sieved to make an aggregate particle size of 0.5-3mm, and the ferrovanadium slag powder particle size is less than 0.5mm, the particle size of vanadium iron slag powder is less than 0.045mm.

[0031] 2) Crushing and screening quicklime with a calcium oxide content of 88% to produce quicklime particles with a particle size of 0.5-2 mm and quicklime powder with a particle size of less than 0.2 mm.

[0032] 3) Weigh 60% of vanadium-iron slag aggregate, 20% of powder, 5% of micropowder, 10% of quicklime particles, 5% of quicklime powder, and 0.2% of dispersant (external mix) according to weight percentage; mix the above materials evenly, pack , You can get the anti-adhesive coating product.

Embodiment 3

[0033] Embodiment 3 anti-sticking spray paint, such as figure 1 As shown, the specific steps are:

[0034] 1) The alumina content of the vanadium-iron slag adopted by the aluminothermic method is 65.7%, and the calcium oxide content is 10.6%. mm, the particle size of vanadium iron slag powder is less than 0.045mm.

[0035] 2) Crushing and screening quicklime with a calcium oxide content of 88% to produce quicklime particles with a particle size of 0.5-2 mm and quicklime powder with a particle size of less than 0.2 mm.

[0036] 3) Weigh 50% of vanadium iron slag aggregate, 20% of powder, 10% of micropowder, 15% of quicklime particles, 5% of quicklime powder, and 0.5% of dispersant (external mix) according to weight percentage; mix the above materials evenly, pack , You can get the anti-adhesive coating product.

[0037] The above anti-adhesive coating products are packaged in woven bags with plastic film. When in use, pour the dry material into the silo of the spraying machi...

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Abstract

The invention relates to an anti-adhesion spray coating material used for a molten iron tank, and a preparation method and a spray coating method thereof. The spray coating material includes vanadium iron slag, quick lime, and an additive dispersing agent, wherein the vanadium iron slag includes vanadium iron slag aggregate, vanadium iron slag powder and vanadium iron slag micro-powder; the quick lime includes quick lime granules and quick lime powder; the weight ratios of the vanadium iron slag aggregate, the vanadium iron slag powder, the vanadium iron slag micro-powder, the quick lime granules and the quick lime powder are described as follows: 50-60% of the vanadium iron slag aggregate, 10-30% of the vanadium iron slag powder, 5-10% of the vanadium iron slag micro-powder, 10-20% of the quick lime granules and 5-10% of the quick lime powder; wherein the addition quantity of the dispersing agent is 0-0.5%. The spray coating material can be effectively adhered onto surface of a liner of the molten iron tank so as to protect the liner during usage.

Description

technical field [0001] The invention relates to an anti-sticking spray paint for molten iron tanks, a preparation method and a spray coating method thereof, and belongs to the technical field of refractory materials. Background technique [0002] Due to the use of vanadium-titanium magnetite for smelting, the molten iron is rich in impurities such as titanium. During the waiting and transportation process of the molten iron tank, the titanium in the molten iron reacts with the lining material of the molten iron tank to form a transition layer. During the tapping process, the slag layer adheres to the lining surface of the molten iron tank. As the number of uses increases, the slag layer becomes more and more sticky, seriously affecting the capacity of the molten iron tank. The hot metal tank needs continuous slag cleaning operation during use, which is easy to damage the inner lining of the hot metal tank and seriously affects the service life. [0003] In order to reduce s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66C04B35/622
CPCC04B35/62204C04B35/66C04B2235/3208C04B2235/3222C04B2235/448C04B2235/77C04B2235/96
Inventor 郝建璋曾冠武文盛艳宋明铭杨金成
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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