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High-property spraying paint for slag pot and preparation method of high-property spraying paint

A high-performance coating technology, applied in the field of refractory unshaped refractory products, can solve the problems of manual cleaning, adhesion, high cost, etc., and achieve the effect of increased tank return rate, small rebound rate, and improved tank life

Active Publication Date: 2018-03-23
瑞泰马钢新材料科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The slag tank spray coating produced by this method has a relatively high cost, is dense after use, and has adhesion when returning to the tank. After returning to the tank, 20-30% of the part needs to be cleaned manually

Method used

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  • High-property spraying paint for slag pot and preparation method of high-property spraying paint
  • High-property spraying paint for slag pot and preparation method of high-property spraying paint
  • High-property spraying paint for slag pot and preparation method of high-property spraying paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A high-performance slag tank spray paint, including main ingredients and additives. The raw materials and weight percentages of the main ingredients are shown in Table 2. The admixtures include carboxymethyl cellulose, sodium tripolyphosphate and bentonite, and the percentages by weight of the main ingredients are respectively 0.3% of carboxymethyl cellulose, 0.2% of sodium tripolyphosphate and 0.5% of bentonite.

[0031] Table 2

[0032] raw material name

Cleaning waste pellets

Cleaning waste fine powder

Silica powder

Guangxi clay

Particle size distribution

0.5-0mm

180 mesh

180 mesh

weight percentage (%)

20

70

3

7

chemical composition

al 2 o 3 +MgO≥80%, graphite≥9%

al 2 o 3 +MgO≥80%, graphite≥9%

SiO 2 ≥90%

al 2 o 3 ≥32%

[0033] The preparation method of the high-performance slag tank spray coating is:

[0034] (1) Mix milling waste fine powder, silicon m...

Embodiment 2

[0042] A high-performance slag tank spray paint, including main ingredients and additives. The raw materials and weight percentages of the main ingredients are shown in Table 4. The admixture comprises methyl cellulose, sodium hexametaphosphate, and lignosulfonate, and the percentages by weight of the main ingredients are respectively 0.5% of methyl cellulose, 0.5% of sodium hexametaphosphate, and 1.0% of lignosulfonate.

[0043] Table 4

[0044] raw material name

Cleaning waste pellets

Cleaning waste fine powder

Silica powder

Guangxi clay

Particle size distribution

0.5-0mm

180 mesh

180 mesh

weight percentage (%)

10

80

5

5

chemical composition

Al 2 o 3 +MgO≥80%, graphite≥9%

al 2 o 3 +MgO≥80%, graphite≥9%

SiO 2 ≥90%

al 2 o 3 ≥32%

[0045] The preparation method of the high-performance slag tank spray coating is:

[0046] (1) Mix milling waste fine powder, silicon ...

Embodiment 3

[0054] A high-performance slag tank spray paint, including main ingredients and additives. The raw materials and weight percentages of the main ingredients are shown in Table 6. The admixture comprises carboxymethyl cellulose, sodium tripolyphosphate, sodium hexametaphosphate, lignosulfonate, bentonite, and its weight percentages of main ingredients are respectively 0.1 of carboxymethyl cellulose, 0.2 of sodium tripolyphosphate, Sodium hexametaphosphate 0.1, lignosulfonate 0.4, bentonite 0.1.

[0055] Table 6

[0056] raw material name

Cleaning waste pellets

Cleaning waste fine powder

Silica powder

Guangxi clay

Particle size distribution

0.5-0mm

180 mesh

180 mesh

weight percentage (%)

15

75

4

6

chemical composition

al 2 o 3 +MgO≥80%, graphite≥9%

Al 2 o 3 +MgO≥80%, graphite≥9%

SiO 2 ≥90%

Al 2 o 3 ≥32%

[0057] The preparation method of the high-performance slag ta...

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Abstract

The invention discloses a high-property spraying paint for a slag pot and a preparation method thereof. The high-property spraying paint for the slag pot comprises a main material and additives, wherein the main material is prepared from the following raw materials in percentage by weight: 10 to 20% of mill-cleared waste particle, 70 to 80% of mill-cleared waste fine powder, 1 to 5% of silicon micropowder and 5 to 8% of Guangxi clay; the weight of the additive is 0.2 to 2% of that of the main material. The high-property spraying paint for the slag pot, disclosed by the invention, is better inall properties, has the characteristics of less than 8% of resilience rate, good adhesion property, no stickiness to slag, good slag-erosion resistance and easy slag overturning, and also has the beneficial effects that the service life of the pot can be prolonged, the manual clearing can be reduced, the economic and social benefits are obvious, and a pot returning rate is increased by 20% or more.

Description

technical field [0001] The invention belongs to the field of refractory unshaped refractory products, and in particular relates to a high-performance slag tank spray coating and a preparation method thereof. Background technique [0002] The slag tank is a container used to hold the high-temperature slag produced in the iron and steel smelting process. The operating temperature is 1200-1400°C, and it is used for short-distance transportation in the production process of steel mills. In order to prevent the molten slag and residual molten steel from directly contacting the slag tank body during the filling process and cause the slag tank to stick to death, facilitate slag turning, increase the return rate of the tank, effectively reduce the damage of the slag tank, and maintain a virtuous cycle in the production process, steel mills use spray The method of coating is used to protect the slag tank and improve the service life of the tank. [0003] At present, most of the slag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66C04B33/132C21B3/10
CPCC04B33/132C04B35/66C04B2235/3418C21B3/10Y02P40/60
Inventor 彭学峰梅春兰郁书中崔任渠
Owner 瑞泰马钢新材料科技有限公司
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