Preparing method for liquid steel surface heat preserving agent
A configuration method and technology of thermal insulation agent, applied in the field of configuration of thermal insulation agent on the surface of molten steel, can solve problems such as product defects, and achieve the effects of simple use, prolonging service life, preventing secondary oxidation and thermal radiation
Inactive Publication Date: 2015-12-30
铜陵翔宇商贸有限公司
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- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0002] Round particle molten steel heat preservation agent is a kind of round particle molten steel heat preservation agent used in steel ladles, with carbonized rice husk as the base material, and fly ash, expanded graphite, etc. as fillers. The round particles formed by the production method are finished products after packaging. It is a new type of round particle molten steel heat preservation agent with reasonable shape, light weight, no sticking to the bag, no pollution to the environment, good spreadability, good heat preservation effect, and low cost. Insulation agent will react with Al in molten steel, causing product defects
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1
[0008] A configuration method of a molten steel surface insulation agent, the composition ratio of the insulation agent is: CaO: 10%, Al 2 o 3 : 20%, MgO: 4%, SiO?: 1%; the thickness of the melting layer of the heat preservation agent is 10-20mm.
Embodiment 2
[0010] A configuration method of a molten steel surface insulation agent, the composition ratio of the insulation agent is: CaO: 60%, Al 2 o 3 : 65%, MgO: 30%, SiO?: 9%; the thickness of the melting layer of the heat preservation agent is 10-20mm.
Embodiment 3
[0012] A configuration method of a molten steel surface insulation agent, the composition ratio of the insulation agent is: CaO:50%, Al 2 o 3 : 45%, MgO: 15%, SiO?: 8%; the thickness of the melting layer of the heat preservation agent is 10-20mm.
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Abstract
The invention discloses a preparing method for a liquid steel surface heat preserving agent. The heat preserving agent is prepared from 10-60% of CaO, 20-65% of Al2O3, 4-30% of MgO and 1-9% of SiO. The heat preserving agent is suitable for covering the surface of liquid steel of a steel ladle and preserving heat, can be spread on the surface of the liquid steel fast to form a three-layer structure to prevent secondary oxidation and thermal radiation of the liquid steel, and harmful inclusion on the surface of the liquid steel can be adsorbed; slag adhering is avoided, erosion to ladle packing is avoided, crusting is avoided, the service life of the steel ladle is prolonged, use is easy, and labor intensity of workers is relieved.
Description
technical field [0001] The invention relates to a configuration method of a molten steel surface heat preservation agent. Background technique [0002] The round particle molten steel heat preservation agent is a kind of round particle molten steel heat preservation agent used in steel ladles, with carbonized rice husk as the base material, and fly ash, expanded graphite, etc. as fillers. The round particles formed by the production method are finished products after packaging. It is a new type of round particle molten steel heat preservation agent with reasonable shape, light weight, non-stick bag, no pollution to the environment, good spreadability, good heat preservation effect, and low cost. The thermal insulation agent will react with Al in molten steel, causing product defects. Contents of the invention [0003] The purpose of the present invention is to provide a configuration method of molten steel surface heat preservation agent. [0004] The technical solution ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): C21C7/00C21C7/04B22D11/111B22D11/116
Inventor 沙以仙
Owner 铜陵翔宇商贸有限公司