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Composite molten steel purifying agent and preparation method thereof

A technology of purifying agent and molten steel, applied in the field of steelmaking, can solve the problems of no reports, etc., and achieve the effects of reducing the preparation cost, low cost and wide source.

Active Publication Date: 2021-07-23
湖南紫荆新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Secondary aluminum ash is now used by technicians to synthesize polymer water purifiers, refractory materials, spinel, composite ceramics, etc., but the utilization process of these secondary aluminum ash can only use part of the substances, which is harmful to aluminum ash. Processes and methods for utilizing all substances have not been reported yet

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A kind of composite molten steel purifier of embodiment 1

[0032] The composite molten steel purification agent of the present embodiment is a composite sphere, and the composite sphere is composed of an inner core and an outer shell. The inner core is composed of 30 parts of aluminum ash, 30 parts of barium oxide, 5 parts of titanium dioxide and 35 parts of water glass, wherein the modulus of water glass is 3.1-3.5. The shell is composed of 80 parts of calcium carbonate, 10 parts of magnesium carbonate and 10 parts of composite binder, and the mass ratio of the inner core to the outer shell is 1:2. The preparation method of this composite molten steel purifying agent specifically comprises the following steps:

[0033] (1) Material preparation: weigh the raw materials of the above-mentioned inner core and outer shell according to weight components, and then place them in an oven at 100-110° C. to dry for 4 hours, and set aside.

[0034] (2) Preparation of the inner ...

Embodiment 2

[0038] Embodiment 2 A kind of composite molten steel purifying agent

[0039] The composite molten steel purification agent of the present embodiment is a composite sphere, and the composite sphere is composed of an inner core and an outer shell. The inner core is composed of 80 parts of aluminum ash, 10 parts of barium oxide, 10 parts of titanium dioxide and 20 parts of water glass, wherein the modulus of water glass is 3.1-3.5. The shell is composed of 10 parts of calcium carbonate, 80 parts of magnesium carbonate and 10 parts of composite binder, and the mass ratio of the inner core to the outer shell is 4:1. The preparation method of the composite molten steel purifying agent is the same as that of Example 1, with specific reference to Example 1, the difference is that a composite sphere is sprayed with an organic waterproof coating to obtain a composite molten steel purifying agent. The organic waterproof coating is a silicone rubber waterproof coating, and the thickness...

Embodiment 3

[0042] Embodiment 3 A kind of composite molten steel cleaning agent

[0043] The composite molten steel purification agent of the present embodiment is a composite sphere, and the composite sphere is composed of an inner core and an outer shell. The inner core is composed of 50 parts of aluminum ash, 20 parts of barium oxide, 8 parts of titanium dioxide and 22 parts of water glass, wherein the modulus of water glass is 3.1-3.5. The shell is composed of 40 parts of calcium carbonate, 55 parts of magnesium carbonate and 5 parts of composite binder, and the mass ratio of the inner core to the outer shell is 2:1. The preparation method of the composite molten steel purifying agent is the same as that of Example 1, with specific reference to Example 1, the difference is that a composite sphere is sprayed with an organic waterproof coating to obtain a composite molten steel purifying agent. The organic waterproof coating is an acrylic waterproof coating, and the thickness of the or...

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Abstract

The invention discloses a composite molten steel purifying agent and a preparation method thereof, and relates to the technical field of steelmaking. The composite molten steel purifying agent is a composite sphere, wherein the composite sphere is composed of an inner core and a shell, the inner core is composed of aluminum ash, barium oxide, titanium dioxide and water glass, the shell is composed of calcium carbonate, magnesium carbonate and a composite binder, and the mass ratio of the inner core to the shell is (1-2):(0.5-2). According to the composite molten steel purifying agent, the raw materials are easy to obtain, the preparation method is simple and easy to operate, the cost is low, inclusions in molten steel can be rapidly removed, the functions of slag making, deoxidation, desulfurization and dephosphorization are achieved, and the purification degree of the molten steel is greatly improved. The solid waste slag aluminum ash is effectively utilized, so that the production cost is greatly reduced, and the purposes of energy conservation and environmental protection are achieved while the purification effect is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of steelmaking, and in particular relates to a composite molten steel purifying agent and a preparation method thereof. Background technique [0002] With the rapid development of economic construction, the development of industries such as national defense, transportation, petroleum and automobiles, and the advancement of technology, the requirements for steel performance are becoming increasingly stringent. In order to meet the needs of high strength, long life, corrosion resistance and adapt to work in harsh environments, the purity, uniformity and fine grain size of petroleum casing, deep-drawing sheet, high-quality pipeline steel and welding rod steel The requirements for globalization are getting higher and higher, and the market has higher and higher requirements for steel quality, especially for purity. Ensuring the purity of steel mainly refers to reducing the content of impurity elements in steel ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21C7/064
CPCC21C7/0645Y02P10/20
Inventor 李鄂成
Owner 湖南紫荆新材料科技有限公司
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