Metal smelting additive

Abstract

The invention discloses a metal smelting additive. The smelting additive comprises cerium chloride, calcium fluoride and metal cerium, wherein the calcium fluoride accounts for 10-15%; 2-5% of metal cerium; the cerium chloride accounts for 60-70%, and the balance is the poising agent. The calcium fluoride, the metal cerium, the cerium chloride and other raw materials are blended and matched, and the balancing agent is added to balance and adjust the coordination of thermal conductivity, strength and ductility, so that the balance and improvement among performances in the conventional technology are broken; meanwhile, a functional additive of metal cerium is also added and is used for better interface bonding of cerium and the raw materials and coordination among the raw materials, so that the performance of the product is better improved.

Description

Technical Field

[0001] The invention relates to the technical field of metal smelting, and in particular to a metal smelting additive. Background Art

[0002] The high strength and high plasticity of aluminum alloys will provide power for efficient industrial aluminum processing, and will play an important role in optimizing the design of industrial material performance and promoting the application of high-performance aluminum alloys. Existing metal smelting additives are difficult to improve the thermal conductivity of aluminum alloy products. At the same time, it is difficult to balance and coordinate the improvement of the thermal conductivity, strength and ductility of the products, which limits the efficiency of product use. Summary of the invention

[0003] In view of the defects of the prior art, an object of the present invention is to provide a metal smelting additive to solve the problems raised in the above background technology.

[0004] The present invention solves the technical problem by adopting the following technical solution: The present invention provides a metal smelting additive, the smelting additive comprises cerium chloride, calcium fluoride and metallic cerium; Calcium fluoride is 10-15%; metallic cerium is 2-5%; cerium chloride accounts for 60-70%, and the remainder is a balancing agent; the balancing agent is used to balance and adjust the coordination of thermal conductivity, strength and ductility; At the same time, a functional additive of metallic cerium is added to facilitate the interface bonding between cerium and raw materials and the coordination between the raw materials; the amount of the functional additive added is 2-3 times the total amount of the metal smelting additive.

[0005] Preferably, the specific preparation method of the metal smelting additive is: Calcium fluoride, metallic cerium, cerium chloride and a balancing agent are mixed evenly to obtain an additive, and then the additive is subjected to ultrasonic modification treatment in a functional auxiliary agent of 2-3 times the total amount of the additive. After the ultrasonic treatment is terminated, the additive is washed with water, filtered and dried.

[0006] Preferably, the ultrasonic power of the ultrasonic modification treatment is 350-400W, and the ultrasonic time is 20-30min.

[0007] Preferably, the preparation method of the balancing agent is: Stir titanium dioxide in a sufficient amount of potassium permanganate solution and mix thoroughly, then wash, filter and dry; Preheat the dried titanium dioxide at 55-60°C for 10-15 minutes, then mix the preheated titanium dioxide and the balance liquid in a weight ratio of 5:3 and perform ball milling at a ball milling speed of 1000-1500r / min for 1 hour. After the ball milling is completed, wash with water, filter and dry to obtain the balance agent.

[0008] Preferably, the mass fraction of the potassium permanganate solution is 2-5%.

[0009] Preferably, the preparation method of the leveling measuring fluid is: 2-5 parts of strontium oxide and 0.3-0.5 parts of cobalt nitrate solution are added to 4-7 parts of sodium silicate solution, and then 1-3 parts of stearic acid and 2-4 parts of sodium dodecylbenzene sulfonate are added and mixed thoroughly to obtain a leveling solution.

[0010] Preferably, the mass fraction of the cobalt nitrate solution is 2-5%; the mass fraction of the sodium silicate solution is 4-7%.

[0011] Preferably, the preparation method of the functional additive is: 2-5 parts of silane coupling agent and 1-3 parts of sodium lignin sulfonate are added to 5-8 parts of chitosan solution, and then 1-2 parts of lanthanum chloride solution are added and mixed to obtain a functional additive.

[0012] Preferably, the mass fraction of the chitosan solution is 2-5%; the mass fraction of the lanthanum chloride solution is 4-7%.

[0013] Preferably, the silane coupling agent is silane coupling agent KH560.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention adopts raw materials such as calcium fluoride, metal cerium, cerium chloride and the like to coordinate and prepare, and adds a balancing agent to balance and adjust the coordination of thermal conductivity, strength and ductility, thereby breaking the balance improvement between the performances in the conventional technology; at the same time, a functional auxiliary agent of metal cerium is added to better combine cerium with the raw material interface and coordinate between the raw materials, thereby better improving the product performance. DETAILED DESCRIPTION

[0015] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] A metal smelting additive of this embodiment, the smelting additive includes cerium chloride, calcium fluoride and metallic cerium; Calcium fluoride is 10-15%; metallic cerium is 2-5%; cerium chloride accounts for 60-70%, and the remainder is a balancing agent; the balancing agent is used to balance and adjust the coordination of thermal conductivity, strength and ductility; At the same time, a functional additive of metallic cerium is added to facilitate the interface bonding between cerium and raw materials and the coordination between the raw materials; the amount of the functional additive added is 2-3 times the total amount of the metal smelting additive.

[0017] The specific preparation method of the metal smelting additive in this embodiment is: Calcium fluoride, metallic cerium, cerium chloride and a balancing agent are mixed evenly to obtain an additive, and then the additive is subjected to ultrasonic modification treatment in a functional auxiliary agent of 2-3 times the total amount of the additive. After the ultrasonic treatment is terminated, the additive is washed with water, filtered and dried.

[0018] The ultrasonic power of the ultrasonic modification treatment in this embodiment is 350-400W, and the ultrasonic time is 20-30min.

[0019] The preparation method of the balancing agent of this embodiment is: Stir titanium dioxide in a sufficient amount of potassium permanganate solution and mix thoroughly, then wash, filter and dry; Preheat the dried titanium dioxide at 55-60°C for 10-15 minutes, then mix the preheated titanium dioxide and the balance liquid in a weight ratio of 5:3 and perform ball milling at a ball milling speed of 1000-1500r / min for 1 hour. After the ball milling is completed, wash with water, filter and dry to obtain the balance agent.

[0020] The mass fraction of the potassium permanganate solution in this embodiment is 2-5%.

[0021] The preparation method of the leveling measuring fluid of this embodiment is as follows: 2-5 parts of strontium oxide and 0.3-0.5 parts of cobalt nitrate solution are added to 4-7 parts of sodium silicate solution, and then 1-3 parts of stearic acid and 2-4 parts of sodium dodecylbenzene sulfonate are added and mixed thoroughly to obtain a leveling solution.

[0022] The mass fraction of the cobalt nitrate solution in this embodiment is 2-5%; the mass fraction of the sodium silicate solution is 4-7%.

[0023] The preparation method of the functional additive of this embodiment is: 2-5 parts of silane coupling agent and 1-3 parts of sodium lignin sulfonate are added to 5-8 parts of chitosan solution, and then 1-2 parts of lanthanum chloride solution are added and mixed to obtain a functional additive.

[0024] The mass fraction of the chitosan solution in this embodiment is 2-5%; the mass fraction of the lanthanum chloride solution is 4-7%.

[0025] The silane coupling agent of this embodiment is silane coupling agent KH560.

[0026] Example 1. A metal smelting additive of this embodiment, the smelting additive includes cerium chloride, calcium fluoride and metallic cerium; Calcium fluoride is 10%; metallic cerium is 2%; cerium chloride accounts for 60-70%, and the rest is a balancing agent; the balancing agent is used to balance and adjust the coordination of thermal conductivity, strength and ductility; At the same time, a functional additive of metallic cerium is added to facilitate the interface bonding between cerium and raw materials and the coordination between the raw materials; the amount of the functional additive added is twice the total amount of the metal smelting additive.

[0027] The specific preparation method of the metal smelting additive in this embodiment is: Calcium fluoride, metallic cerium, cerium chloride and a balancing agent are mixed evenly to obtain an additive, and then the additive is subjected to ultrasonic modification in a functional auxiliary agent having an amount twice that of the total amount of the additive. After the ultrasonic modification is completed, the additive is washed with water, filtered and dried.

[0028] The ultrasonic power of the ultrasonic modification treatment in this embodiment is 350W, and the ultrasonic time is 20min.

[0029] The preparation method of the balancing agent of this embodiment is: Stir titanium dioxide in a sufficient amount of potassium permanganate solution and mix thoroughly, then wash, filter and dry; The dried titanium dioxide was preheated at 55°C for 10 min, and then the preheated titanium dioxide and the balance liquid were mixed in a weight ratio of 5:3 and ball-milled at a speed of 1000 r / min for 1 h. After the ball milling was completed, the mixture was washed with water, filtered and dried to obtain the balance agent.

[0030] The mass fraction of the potassium permanganate solution in this embodiment is 2%.

[0031] The preparation method of the leveling measuring fluid of this embodiment is as follows: Add 2 parts of strontium oxide and 0.3 parts of cobalt nitrate solution to 4 parts of sodium silicate solution, and then add 1 part of stearic acid and 2 parts of sodium dodecylbenzene sulfonate and mix well to obtain a leveling solution.

[0032] The mass fraction of the cobalt nitrate solution in this embodiment is 2%; the mass fraction of the sodium silicate solution is 4%.

[0033] The preparation method of the functional additive of this embodiment is: 2 parts of silane coupling agent and 1 part of sodium lignin sulfonate were added to 5 parts of chitosan solution, and then 1 part of lanthanum chloride solution was added and mixed thoroughly to obtain a functional additive.

[0034] The mass fraction of the chitosan solution in this embodiment is 2%; the mass fraction of the lanthanum chloride solution is 4%.

[0035] The silane coupling agent of this embodiment is silane coupling agent KH560.

[0036] Example 2. A metal smelting additive of this embodiment, the smelting additive includes cerium chloride, calcium fluoride and metallic cerium; Calcium fluoride is 15%; metallic cerium is 5%; cerium chloride accounts for 70%, and the rest is a balancing agent; the balancing agent is used to balance and adjust the coordination of thermal conductivity, strength and ductility; At the same time, a functional additive of metallic cerium is added to facilitate the bonding between cerium and the raw materials and the coordination between the raw materials; the amount of the functional additive added is three times the total amount of the metal smelting additive.

[0037] The specific preparation method of the metal smelting additive in this embodiment is: Calcium fluoride, metallic cerium, cerium chloride and a balancing agent are mixed evenly to obtain an additive, and then the additive is subjected to ultrasonic modification in a functional auxiliary agent having a quantity three times the total amount of the additive. After the ultrasonic modification is completed, the additive is washed with water, filtered and dried.

[0038] The ultrasonic power of the ultrasonic modification treatment in this embodiment is 400 W, and the ultrasonic time is 30 min.

[0039] The preparation method of the balancing agent of this embodiment is: Stir titanium dioxide in a sufficient amount of potassium permanganate solution and mix thoroughly, then wash, filter and dry; The dried titanium dioxide was preheated at 60°C for 15 minutes, and then the preheated titanium dioxide and the balance liquid were mixed in a weight ratio of 5:3 and ball-milled at a speed of 1500 r / min for 1 hour. After the ball milling was completed, the mixture was washed with water, filtered and dried to obtain the balance agent.

[0040] The mass fraction of the potassium permanganate solution in this embodiment is 5%.

[0041] The preparation method of the leveling measuring fluid of this embodiment is as follows: Add 5 parts of strontium oxide and 0.5 parts of cobalt nitrate solution to 7 parts of sodium silicate solution, and then add 3 parts of stearic acid and 4 parts of sodium dodecylbenzene sulfonate and mix well to obtain a leveling solution.

[0042] The mass fraction of the cobalt nitrate solution in this embodiment is 5%; the mass fraction of the sodium silicate solution is 7%.

[0043] The preparation method of the functional additive of this embodiment is: 5 parts of silane coupling agent and 3 parts of sodium lignin sulfonate were added to 8 parts of chitosan solution, and then 2 parts of lanthanum chloride solution were added and mixed to obtain a functional additive.

[0044] The mass fraction of the chitosan solution in this embodiment is 5%; the mass fraction of the lanthanum chloride solution is 7%.

[0045] The silane coupling agent of this embodiment is silane coupling agent KH560.

[0046] Example 3. A metal smelting additive of this embodiment, the smelting additive includes cerium chloride, calcium fluoride and metallic cerium; Calcium fluoride is 12.5%; metallic cerium is 3.5%; cerium chloride accounts for 65%, and the rest is a balancing agent; the balancing agent is used to balance and adjust the coordination of thermal conductivity, strength and ductility; At the same time, a functional additive of metallic cerium is added to facilitate the bonding between cerium and the raw materials and the coordination between the raw materials; the amount of the functional additive added is 2.5 times the total amount of the metal smelting additive.

[0047] The specific preparation method of the metal smelting additive in this embodiment is: Calcium fluoride, metallic cerium, cerium chloride and a balancing agent are mixed evenly to obtain an additive, and then the additive is subjected to ultrasonic modification treatment in a functional auxiliary agent having an amount 2.5 times the total amount of the additive. After the ultrasonic treatment is terminated, the additive is washed with water, filtered and dried.

[0048] The ultrasonic power of the ultrasonic modification treatment in this embodiment is 370W, and the ultrasonic time is 25min.

[0049] The preparation method of the balancing agent of this embodiment is: Stir titanium dioxide in a sufficient amount of potassium permanganate solution and mix thoroughly, then wash, filter and dry; The dried titanium dioxide was preheated at 57°C for 12.5 min, and then the preheated titanium dioxide and the balance liquid were mixed in a weight ratio of 5:3 and ball-milled at a speed of 1250 r / min for 1 h. After the ball milling was completed, the mixture was washed with water, filtered and dried to obtain the balance agent.

[0050] The mass fraction of the potassium permanganate solution in this embodiment is 3.5%.

[0051] The preparation method of the leveling measuring fluid of this embodiment is as follows: 3.5 parts of strontium oxide and 0.4 parts of cobalt nitrate solution were added to 5.5 parts of sodium silicate solution, and then 2 parts of stearic acid and 3 parts of sodium dodecylbenzene sulfonate were added and mixed thoroughly to obtain a leveling solution.

[0052] The mass fraction of the cobalt nitrate solution in this embodiment is 3.5%; the mass fraction of the sodium silicate solution is 5.5%.

[0053] The preparation method of the functional additive of this embodiment is: 3.5 parts of silane coupling agent and 2 parts of sodium lignin sulfonate were added to 6.5 parts of chitosan solution, and then 1.5 parts of lanthanum chloride solution were added and mixed to obtain a functional additive.

[0054] The mass fraction of the chitosan solution in this embodiment is 3.5%; the mass fraction of the lanthanum chloride solution is 5.5%.

[0055] The silane coupling agent of this embodiment is silane coupling agent KH560.

[0056] Comparative Example 1. The difference from Example 3 is that no balancing agent is added.

[0057] Comparative Example 2. The difference from Example 3 is that no leveling liquid is added during the preparation of the balancing agent.

[0058] Comparative Example 3. The difference from Example 3 is that strontium oxide and stearic acid are not added to the leveling solution.

[0059] Comparative Example 4. The difference from Example 3 is that no cobalt nitrate solution and sodium dodecylbenzene sulfonate are added to the leveling solution.

[0060] Comparative Example 5. The difference from Example 3 is that no functional additive treatment is used.

[0061] Comparative Example 6. Different from Example 3, no lanthanum chloride solution and silane coupling agent were added to the functional additives.

[0062] The products of Examples 1-3 and Comparative Examples 1-6 and the aluminum alloy matrix were mixed, melted and added in a weight ratio of 1:5 to obtain a test product. The performance improvement rate of the test product compared with the aluminum alloy matrix was as follows:

[0063] It can be seen from comparative examples 1-6 and Example 3 that the strength, thermal conductivity and elongation of the product of Example 3 can be improved in a coordinated manner. At the same time, the product is not added with a balancing agent and is not treated with a functional additive. The performance of the product has a significant trend of deterioration. The two are coordinated to achieve coordinated synergy. No leveling liquid was added in the preparation of the balancing agent, no strontium oxide and stearic acid were added to the leveling liquid, no cobalt nitrate solution and sodium dodecylbenzene sulfonate were added to the leveling liquid, and no lanthanum chloride solution and silane coupling agent were added to the functional additive. The performance of the product tended to deteriorate. The specific method of the present invention was used to obtain the product raw material, and the product performance effect was the most significant. Other methods were used instead, but the effect was not as obvious as that of the present invention.

[0064] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0065] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A metal smelting additive, characterized in that: Smelting additives include cerium chloride, calcium fluoride and metallic cerium; Calcium fluoride is 10-15%; metallic cerium is 2-5%; cerium chloride accounts for 60-70%, and the remainder is a balancing agent; the balancing agent is used to balance and adjust the coordination of thermal conductivity, strength and ductility; At the same time, a functional additive of metallic cerium is added to facilitate the interface bonding between cerium and raw materials and the coordination between the raw materials; the amount of the functional additive added is 2-3 times the total amount of the metal smelting additive.

2. A metal smelting additive according to claim 1, characterized in that: The specific preparation method of the metal smelting additive is: Calcium fluoride, metallic cerium, cerium chloride and a balancing agent are mixed evenly to obtain an additive, and then the additive is subjected to ultrasonic modification treatment in a functional auxiliary agent of 2-3 times the total amount of the additive. After the ultrasonic treatment is terminated, the additive is washed with water, filtered and dried.

3. A metal smelting additive according to claim 2, characterized in that: The ultrasonic power of the ultrasonic modification treatment is 350-400W, and the ultrasonic time is 20-30min.

4. A metal smelting additive according to claim 1, characterized in that: The preparation method of the balancing agent is: Stir titanium dioxide in a sufficient amount of potassium permanganate solution and mix thoroughly, then wash, filter and dry; Preheat the dried titanium dioxide at 55-60°C for 10-15 minutes, then mix the preheated titanium dioxide and the balance liquid in a weight ratio of 5:3 and perform ball milling at a ball milling speed of 1000-1500r / min for 1 hour. After the ball milling is completed, wash with water, filter and dry to obtain the balance agent.

5. A metal smelting additive according to claim 4, characterized in that: The mass fraction of the potassium permanganate solution is 2-5%.

6. A metal smelting additive according to claim 4, characterized in that: The preparation method of the leveling measuring liquid is as follows: 2-5 parts of strontium oxide and 0.3-0.5 parts of cobalt nitrate solution are added to 4-7 parts of sodium silicate solution, and then 1-3 parts of stearic acid and 2-4 parts of sodium dodecylbenzene sulfonate are added and mixed thoroughly to obtain a leveling solution.

7. A metal smelting additive according to claim 6, characterized in that: The mass fraction of the cobalt nitrate solution is 2-5%; the mass fraction of the sodium silicate solution is 4-7%.

8. The metal smelting additive according to claim 1, characterized in that: The preparation method of the functional additive is: 2-5 parts of silane coupling agent and 1-3 parts of sodium lignin sulfonate are added to 5-8 parts of chitosan solution, and then 1-2 parts of lanthanum chloride solution are added and mixed to obtain a functional additive.

9. A metal smelting additive according to claim 8, characterized in that: The mass fraction of the chitosan solution is 2-5%; the mass fraction of the lanthanum chloride solution is 4-7%.

10. A metal smelting additive according to claim 8, characterized in that: The silane coupling agent is silane coupling agent KH560.

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