Top-blown smelting equipment for stainless steel refining
A smelting equipment and stainless steel technology, applied in the smelting field, can solve the problems of low reaction efficiency, small contact area between oxygen and solution, etc., and achieve the effect of increasing the dilution speed
Pending Publication Date: 2022-07-29
XIANGSHUI HANG STAINLESS STEEL CASTING CO LTD
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Problems solved by technology
[0004]
The inventors have found that although the above-mentioned patents are provided with two groups of blowing structures up and down, which can achieve the purpose of inputting oxygen up and down when the materials in the furnace are smelted, the way the solution contacts oxygen comes from the rotation of the furnace body, and the oxygen and solution The contact area is smaller and the reaction efficiency is lower
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[0023] The technical solutions of the patent of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.
[0024] In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a Removable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediate medium, and it can be internal communication between two com...
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The invention provides top-blown smelting equipment for stainless steel refining, which comprises a bottom frame, a smelting tank positioned above the bottom frame, and a functional plate fixed on one side of the bottom frame and positioned below the smelting tank, the first supporting rod is welded to the outer wall of the functional plate and extends upwards along one side of the bottom frame, the second supporting rod is welded to the outer wall of the functional plate and extends upwards along the other side of the bottom frame, and the smelting tank is rotationally connected to the top ends of the first supporting rod and the second supporting rod; the friction wheel is arranged on the stirring shaft, the functional plate making contact with the friction wheel is arranged, the friction wheel is connected to the stirring rod, when the smelting tank rotates, the friction wheel rolls along the surface of the functional plate, the stirring shaft rotates through the rolling action, and the stirring rod can rotate on the premise that a motor does not need to be installed; and only one side of the smelting tank needs to be provided with a motor for driving the smelting tank to rotate, so that the metal solution in the smelting tank fully reacts with oxygen injected into the air, and the dilution speed of impurities in the metal solution in the smelting process is greatly increased.
Description
technical field [0001] The invention relates to the technical field of smelting, in particular to a top-blowing smelting equipment used for stainless steel refining. Background technique [0002] Converter steelmaking uses molten iron, scrap steel, and ferroalloy as the main raw materials. Without external energy, it relies on the physical heat of the molten iron itself and the chemical reaction between the components of the molten iron to generate heat to complete the steelmaking process in the converter. It is mainly used for the production of carbon For the smelting of steel, alloy steel, copper and nickel, the top-blowing method is to insert an oxygen lance into the furnace from the top of the furnace, and blow oxygen (high-pressure oxygen flow with a purity greater than 99%) to make it directly oxidize with high-temperature molten iron. Remove impurities. Replacing air with pure oxygen can overcome the brittleness of the steel due to the influence of nitrogen in the ai...
Claims
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Patent Timeline
Login to View More IPC IPC(8): C21C7/072
CPCC21C7/072Y02P10/20
Inventor 周国忠党清玉王涛吴小东
Owner XIANGSHUI HANG STAINLESS STEEL CASTING CO LTD