Rare earth calcium iron alloy small tank
By using small tanks of rare earth calcium ferroalloys during steelmaking, rare earth metals react with metal calcium particles in the steel liquid, the absorption rate of rare earth is improved, the problem of waste of rare earth resources is solved, and the deoxygenation and desulfurization process is optimized in the steel liquid liquid liquid , reduces the consumption of rare earths and extends the non-oxidation time of metals.
Patent Information
- Application Number
- CN202420266176.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-02
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-02-02
AI Technical Summary
In the prior art, the absorption rate of rare earths in the steelmaking process is low, resulting in the waste of precious rare earth resources.
A small rare earth calcium ferroalloy can was designed, including setting an iron can on the outside of the rare earth calcium ferroalloy can, fixing rare earth metals in the iron can, and filling metal calcium particles between the iron can and the rare earth metal to form a small rare earth calcium ferroalloy. The can has a particle size of 35mm-55mm, and the iron can has a thickness of 0.1mm-0.4mm. It is made of low-carbon aluminum calm steel. The bottom sides are arc-shaped. The edge seal is clamped and connected to the tank body, and adopts a food-grade sealing process.
Calcium aluminate is formed by reacting metal calcium particles with Al2O3 inclusions in the steel liquid, and deoxygenation and desulfurization are preferred to improve the absorption rate of rare earths, reduce the consumption of rare earths in the deoxygenation and desulfurization process, extend the non-oxidation time of metals, and improve metallurgy Effect.
Smart Images
Figure CN222250914U_ABST
Abstract
Description
Technical Field
[0001] The embodiment of the utility model relates to a calcium-iron alloy in the field of metallurgy technology, and in particular to a rare earth calcium-iron alloy small can. Background Art
[0002] Rare earths are added to steel to desulfurize, deoxidize, change the morphology of inclusions, refine grains, and microalloy. They can also improve the steel's antioxidant capacity, high-temperature strength and plasticity, corrosion resistance, fatigue life, and crack resistance. Rare earths are usually added to molten steel through the wire feeding method, that is, the rare earth cored wire is fed into the molten steel through a wire feeding machine. However, in the use of rare earths in the steelmaking field in the prior art, the absorption rate is low, resulting in a waste of precious rare earth resources. Utility Model Content
[0003] The purpose of the implementation mode of the utility model is to provide a rare earth calcium iron alloy small can which can improve the absorption rate of rare earth in the steelmaking process.
[0004] In order to achieve the above purpose, the embodiment of the utility model designs a rare earth calcium iron alloy small can, comprising:
[0005] An iron can; the iron can is arranged outside the rare earth calcium iron alloy small can;
[0006] Rare earth metal; fixing the rare earth metal in the iron can;
[0007] Metal calcium particles; the gap between the iron can and the rare earth metal is filled with the metal calcium particles.
[0008] Further, in the rare earth calcium iron alloy small can of the utility model, the particle size of the rare earth calcium iron alloy small can is 35mm-55mm.
[0009] Further in the rare earth calcium iron alloy small can of the utility model, the rare earth metal is any one of metal lanthanum, metal cerium, metal yttrium, lanthanum-cerium alloy, cerium-iron alloy, lanthanum-nickel alloy, yttrium-iron alloy, praseodymium-neodymium alloy, and tungsten-cerium alloy, or a mixture of several of them.
[0010] Furthermore, in the rare earth calcium iron alloy small can of the utility model, the particle size of the metal calcium particles is 0mm-3mm.
[0011] Further, in the rare earth calcium iron alloy small can of the utility model, the thickness of the iron can is 0.1mm-0.4mm.
[0012] Further, in the rare earth calcium iron alloy small can of the utility model, the material of the iron can is low-carbon aluminum killed steel.
[0013] Furthermore, in the rare earth calcium iron alloy small can of the utility model, both sides of the bottom of the iron can are in arc shape.
[0014] Furthermore, in the rare earth calcium iron alloy small can of the utility model, a sealing edge is provided on both sides of the upper part of the iron can.
[0015] Furthermore, in the rare earth calcium iron alloy small can of the utility model, the sealing edge is fixedly connected to the iron can body below.
[0016] Furthermore, in the rare earth calcium iron alloy small can of the utility model, the sealing edge is snap-connected with the iron can body below.
[0017] Compared with the prior art, the implementation method of the utility model adopts the method of setting an iron can outside the rare earth calcium iron alloy can; fixing the rare earth metal in the iron can; and filling the gap between the iron can and the rare earth metal with metal calcium particles. The utility model simultaneously adds rare earth metal and metal calcium particles into the iron can to make a rare earth calcium iron alloy can, so that the alloy can has the ability to absorb and process calcium and rare elements, improves the absorption rate, and solves the problem of low absorption rate in the prior art, which causes waste of precious rare earth resources.
[0018] The utility model has the advantages that the metallic calcium in the rare earth calcium iron alloy small can can react with the rigid Al2O3 inclusions in the molten steel to become plastic calcium aluminate and float up to be absorbed by the steel slag, thereby purifying the molten steel and reducing the nozzle nodule phenomenon during the continuous casting process; the metallic calcium particles are more active than rare earth metals and will be preferentially deoxidized and desulfurized in the molten steel, reducing the consumption of rare earth metals in the deoxidation and desulfurization process and enabling the rare earth metals to exert better metallurgical effects; the rare earth calcium iron alloy small can of the utility model is sealed with a food-grade sealing process, which can ensure that the metal in the can will not be oxidized for a long time. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the cutaway structure of the utility model. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantages of the utility model clearer, the various embodiments of the utility model will be described in detail below with reference to the accompanying drawings. However, it can be understood by those skilled in the art that in the various embodiments of the utility model, many technical details are provided in order to enable readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical schemes claimed for protection in the claims of the present application can be implemented.
[0021] The embodiment of the utility model relates to a rare earth calcium iron alloy small can, such as Figure 1 As shown, including:
[0022] An iron can 1 is arranged outside the rare earth calcium iron alloy can of the present embodiment; the iron can 1 is mainly used to protect the rare earth metal 3 and metal calcium particles 2 in the rare earth calcium iron alloy can of the present embodiment during the falling process of high-temperature molten steel in the steelmaking process.
[0023] Fixing a rare earth metal 3 in an iron can 1;
[0024] The gap between the iron can 1 and the rare earth metal 3 is filled with metal calcium particles 2. The metal calcium particles 2 can react with the rigid Al2O3 inclusions in the molten steel to become plastic calcium aluminate and float up to be absorbed by the steel slag, purifying the molten steel and reducing the nozzle nodule phenomenon during the continuous casting process; the metal calcium particles 2 are more active than the rare earth metal 3, and will be preferentially deoxidized and desulfurized in the molten steel, reducing the consumption of rare earth metals in the deoxidation and desulfurization process, so that the rare earth metals can play a better metallurgical effect;
[0025] This embodiment adds rare earth metals and metallic calcium particles into the iron can at the same time to make a rare earth calcium iron alloy small can, so that the alloy small can has the ability to absorb and process calcium and rare elements, improves the absorption rate, and solves the problem of low absorption rate in the prior art, which causes waste of precious rare earth resources.
[0026] In order to achieve the above technical effects, the rare earth calcium iron alloy small can in this embodiment, such as Figure 1 As shown, the particle size of the rare earth calcium iron alloy can in this embodiment is 35mm-55mm.
[0027] In order to achieve the above technical effects, the rare earth calcium iron alloy small can in this embodiment, such as Figure 1 As shown, the rare earth metal 3 is any one of metal lanthanum, metal cerium, metal yttrium, lanthanum-cerium alloy, cerium-iron alloy, lanthanum-nickel alloy, yttrium-iron alloy, praseodymium-neodymium alloy, and tungsten-cerium alloy, or a mixture of several of them.
[0028] In order to achieve the above technical effects, the rare earth calcium iron alloy small can in this embodiment, such as Figure 1 As shown, the particle size of the metallic calcium particles is 0 mm-3 mm.
[0029] In order to achieve the above technical effects, the rare earth calcium iron alloy small can in this embodiment, such as Figure 1 As shown, the thickness of the iron can 1 is 0.1 mm to 0.4 mm. Such a thickness of the iron can 1 can ensure that the rare earth calcium iron alloy small can in this embodiment sinks to a specified position in the molten steel.
[0030] In order to achieve the above technical effects, the rare earth calcium iron alloy small can in this embodiment, such as Figure 1 As shown, the material of the iron can 1 is low-carbon aluminum-killed steel. Such a material of the iron can 1 can further ensure that the rare earth calcium iron alloy small can in this embodiment sinks to a specified position in the molten steel.
[0031] In order to achieve the above technical effects, the rare earth calcium iron alloy small can in this embodiment, such as Figure 1 As shown, the two sides of the bottom of the iron can 1 are in arc shape. Such a structure can speed up the sinking speed of the rare earth calcium iron alloy small can in this embodiment.
[0032] In order to achieve the above technical effects, the rare earth calcium iron alloy small can in this embodiment, such as Figure 1 As shown, a sealing edge 4 is provided on both sides of the upper side of the iron can 1 .
[0033] In order to achieve the above technical effects, the rare earth calcium iron alloy small can in this embodiment, such as Figure 1 As shown, the sealing edge 4 is fixedly connected to the iron can body 5 below.
[0034] In order to achieve the above technical effects, the rare earth calcium iron alloy small can in this embodiment, such as Figure 1 As shown, the sealing edge 4 is snap-connected to the iron can body 5 below.
[0035] The rare earth calcium iron alloy small can in the above-mentioned embodiment adopts the sealing structure mentioned above to ensure that the metal in the can will not be oxidized for a long time.
[0036] Those skilled in the art will appreciate that the above-mentioned embodiments are specific examples for implementing the present invention, and in actual applications, various changes may be made thereto in form and detail without departing from the spirit and scope of the present invention.
Claims
1. A rare earth calcium iron alloy small can, characterized in that: include: An iron can; the iron can is arranged outside the rare earth calcium iron alloy small can; Rare earth metal; fixing the rare earth metal in the iron can; Metal calcium particles; the gap between the iron can and the rare earth metal is filled with the metal calcium particles.
2. The rare earth calcium iron alloy small can according to claim 1, characterized in that: The particle size of the rare earth calcium iron alloy small can is 35mm-55mm.
3. The rare earth calcium iron alloy can according to claim 1, characterized in that: The rare earth metal is any one of metal lanthanum, metal cerium, metal yttrium, lanthanum-cerium alloy, cerium-iron alloy, lanthanum-nickel alloy, yttrium-iron alloy, praseodymium-neodymium alloy, and tungsten-cerium alloy, or a mixture of several of them.
4. The rare earth calcium iron alloy small can according to claim 1, characterized in that: The particle size of the metallic calcium particles is 0mm-3mm.
5. The rare earth calcium iron alloy small can according to claim 1, characterized in that: The thickness of the iron can is 0.1mm-0.4mm.
6. The rare earth calcium iron alloy small can according to claim 1, characterized in that: The material of the iron can is low-carbon aluminum killed steel.
7. The rare earth calcium iron alloy can according to claim 6, characterized in that: The two sides of the bottom of the iron can are in arc shape.
8. The rare earth calcium iron alloy small can according to claim 7, characterized in that: A sealing edge is arranged on both sides of the upper part of the iron can.
9. The rare earth calcium iron alloy small can according to claim 8, characterized in that: The edge sealing is fixedly connected to the iron can body below.
10. The rare earth calcium iron alloy small can according to claim 9, characterized in that: The edge sealing is connected with the iron can body below by snapping.