CN113481396A - Smelting process of aluminum bronze - Google Patents
Smelting process of aluminum bronze Download PDFInfo
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- CN113481396A CN113481396A CN202110770293.1A CN202110770293A CN113481396A CN 113481396 A CN113481396 A CN 113481396A CN 202110770293 A CN202110770293 A CN 202110770293A CN 113481396 A CN113481396 A CN 113481396A
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- acid solvent
- smelting
- agent
- phosphoric acid
- aluminum bronze
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/01—Alloys based on copper with aluminium as the next major constituent
Abstract
The invention discloses a smelting process of aluminum bronze, which comprises the following operation steps: the method comprises the steps of putting materials such as electrolytic copper, metal aluminum, iron and manganese and a return charge into an intermediate frequency furnace for smelting, heating the intermediate frequency furnace to a certain temperature, adding an intermediate alloy, carrying out heating and melting operation, sequentially adding a refining agent, a stabilizing agent, a sulfuric acid solvent, a phosphoric acid solvent and a sulfuric acid solvent, slowly stirring after the materials are melted until the electrolytic copper is completely melted, keeping the materials at a certain constant temperature, standing, and carrying out casting molding on the materials. According to the smelting process of the aluminum bronze, the refining agent, the stabilizing agent and the covering agent are added during smelting to protect the smelting, the stabilizing effect is excellent, the situation of damage is not easy to occur, the sulfuric acid solvent and the phosphoric acid solvent are mixed into the sulfuric-phosphoric acid blending solvent to digest internally generated aluminum oxide, the rejection rate is reduced, the constant-temperature heating control is performed by adopting the intermediate frequency furnace, the smelting effect is excellent, and the better use prospect is brought.
Description
Technical Field
The invention relates to the field of aluminum bronze smelting, in particular to a smelting process of aluminum bronze.
Background
The smelting process of the aluminum bronze is a method for carrying out smelting and forming processing of the aluminum bronze, the aluminum bronze needs to be smelted and cast before being used, the use strength and the performance of the aluminum bronze are improved, the aluminum bronze can be smelted in furnace bodies such as a reverberatory furnace, a crucible furnace, a power frequency furnace, an intermediate frequency furnace and the like, and along with the continuous development of science and technology, the manufacturing process requirements of people on the smelting process of the aluminum bronze are higher and higher.
In the prior art, a patent with an authorization publication number of CN202010630062.6 discloses a smelting process of aluminum bronze, wherein a furnace charge is weighed according to an alloy component proportion of the aluminum bronze, the furnace charge comprises electrolytic copper, metallic aluminum and a rare earth halide, and the rare earth halide comprises at least one of dysprosium halide, holmium halide, erbium halide, thulium halide and lutetium halide; charging the smelting vessel with the electrolytic copper and the metallic aluminum at a charging location between a heating source of the smelting vessel and a charging location for the electrolytic copper; heating until the electrolytic copper and the metal aluminum are completely melted down to obtain a melt; maintaining the temperature of the melt at 1050-1100 ℃; adding the rare earth halide to the melt; stopping heating, and stopping slag and tapping; the total time of the step 4 and the step 5 is 20-60 min, the smelting process of the aluminum bronze can effectively reduce the hydrogen content in a melt, and air holes in an aluminum bronze alloy are reduced, certain defects exist in the existing smelting process of the aluminum bronze when the aluminum bronze is used, firstly, the aluminum bronze cannot well protect internal substances when the aluminum bronze is smelted, damage to the internal substances is easily caused, the smelting effect is reduced, the use of people is not facilitated, a certain amount of aluminum oxide exists on the outer surface of the aluminum bronze when the aluminum bronze is smelted, the rejection rate after smelting is high, certain adverse effects are brought to the use process of people, and therefore, the smelting process of the aluminum bronze is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a smelting process of aluminum bronze, wherein a refining agent, a stabilizing agent and a covering agent are added during smelting to protect the smelting, the stabilizing effect is more excellent, the situation of damage is not easy to occur, a sulfuric acid solvent and a phosphoric acid solvent are mixed into a sulfuric-phosphoric acid co-mixed solvent to digest internally generated aluminum oxide, the rejection rate is reduced, a medium frequency furnace is adopted for constant-temperature heating control, the smelting effect is more excellent, and the problems in the background art can be effectively solved.
(II) technical scheme
In order to achieve the purpose, the invention adopts the technical scheme that: the smelting process of the aluminum bronze comprises the following operation steps:
s1: preparing materials: preparing a certain amount of electrolytic copper, metallic aluminum, iron, manganese and other materials, and cleaning; preparing a certain amount of scrap returns, selecting a certain amount of intermediate alloy, preparing intermediate frequency furnace smelting and preparing a smelting tool, wherein the intermediate alloy is made of Al-Fe materials;
s2: preparation of reagents: preparing a covering agent, a refining agent, a stabilizing agent, a sulfuric acid solvent, a phosphoric acid solvent and a deslagging agent;
s3: charging and smelting: preheating the prepared smelting tool before use, putting electrolytic copper, metallic aluminum, iron, manganese and other materials and a return charge into an intermediate frequency furnace for smelting when the prepared smelting tool is used, heating the intermediate frequency furnace to a certain temperature, adding an intermediate alloy, and performing heating and melting operation;
s4: adding a reagent: when the mixture is heated and melted, a refining agent, a stabilizing agent, a sulfuric acid solvent and a phosphoric acid solvent are sequentially added into the mixture, and the sulfuric acid solvent and the phosphoric acid solvent are mixed to form a sulfuric-phosphoric acid mixed solvent to digest the internally generated alumina;
s5: continuously smelting: after the electrolytic copper is melted to be molten down, slowly stirring, adding a covering agent for protection, slightly stirring until the electrolytic copper is completely molten down, stopping stirring, heating to a certain constant temperature, adding a certain amount of a deslagging agent for deslagging, and standing;
s6: forming an aluminum bronze casting: and detecting the molten copper, casting and molding the molten copper, air-drying and solidifying the molten copper after molding, and performing cold water quenching operation in a certain period of time to finish the smelting of the aluminum bronze casting.
As a preferred technical solution, the ratio of the reagents in the step S2 is as follows: the content of the covering agent is 20-28%, the content of the refining agent is 33-45%, the content of the stabilizing agent is 15-26%, the content of the sulfuric acid solvent is 5-10%, the content of the phosphoric acid solvent is 5-10%, and the content of the deslagging agent is 2-5%.
As a preferred technical solution, the portion of the covering agent is 25%, the portion of the refining agent is 38%, the portion of the stabilizing agent is 22%, the portion of the sulfuric acid solvent is 6%, the portion of the phosphoric acid solvent is 6%, and the portion of the deslagging agent is 3%.
As a preferred technical solution, the portion of the covering agent is 26%, the portion of the refining agent is 39%, the portion of the stabilizing agent is 21%, the portion of the sulfuric acid solvent is 5%, the portion of the phosphoric acid solvent is 5%, and the portion of the deslagging agent is 4%.
As a preferable technical scheme, the temperature of the intermediate frequency furnace heated in the step S3 is 280-360 ℃.
As a preferable technical scheme, in the step S5, the intermediate frequency furnace heats and melts at a temperature which is kept constant at 1030-1100 ℃.
As a preferable technical scheme, the ratio of the components of the molten electrolytic copper and the master alloy in the step S3 is 4: 1.
As a preferable technical solution, in the step S4, the sulfuric acid solvent and the phosphoric acid solvent are mixed to form a sulfuric-phosphoric acid mixed solvent, wherein the ratio of the sulfuric acid solvent to the phosphoric acid solvent is 1: 1.
(III) advantageous effects
Compared with the prior art, the invention provides a smelting process of aluminum bronze, which has the following beneficial effects: according to the smelting process of the aluminum bronze, a refining agent, a stabilizing agent and a covering agent are added during smelting, the smelting is protected, the stabilizing effect is more excellent, the situation of damage is not easy to occur, a sulfuric acid solvent and a phosphoric acid solvent are mixed to form a sulfuric-phosphoric acid blending solvent, aluminum oxide generated inside is digested, the rejection rate is reduced, constant-temperature heating control is performed by adopting an intermediate frequency furnace, the smelting effect is more excellent, a certain amount of electrolytic copper, metallic aluminum, iron, manganese and other materials are prepared, and the materials are cleaned; preparing a certain amount of foundry returns, selecting a certain amount of intermediate alloy, preparing an intermediate frequency furnace for smelting, preparing a smelting tool, preparing a covering agent, a refining agent, a stabilizing agent, a sulfuric acid solvent, a phosphoric acid solvent and a deslagging agent, preheating the prepared smelting tool before use, putting electrolytic copper, metallic aluminum, iron, manganese and other materials and foundry returns into the intermediate frequency furnace for smelting, heating the intermediate frequency furnace to a certain temperature, adding the intermediate alloy, performing heating and melting operation, sequentially adding the refining agent, the stabilizing agent, the sulfuric acid solvent, the phosphoric acid solvent into the furnace during heating and melting to form a sulfuric acid-phosphoric acid blended solvent, digesting the internally generated aluminum oxide, slowly stirring after melting the electrolytic copper to be molten, adding the covering agent for protection, slightly stirring until the electrolytic copper is completely molten, and stopping stirring, heating temperature keeps at certain constant temperature, adds a certain amount of scummer and carries out the slagging-off operation, stews, goes to melt the copper liquid after finishing and detects, carries out the casting moulding to it, makes it air-dry solidification after the shaping, carries out cold water rapid cooling operation to certain period of time, and the aluminium bronze foundry goods is smelted and is accomplished, and whole aluminium bronze's smelting process simple structure, convenient operation, the effect of using is better for traditional mode.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following detailed description, but those skilled in the art will understand that the following described examples are some, not all, of the examples of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
the smelting process of the aluminum bronze comprises the following operation steps:
s1: preparing materials: preparing a certain amount of electrolytic copper, metallic aluminum, iron, manganese and other materials, and cleaning; preparing a certain amount of scrap returns, selecting a certain amount of intermediate alloy, smelting the intermediate alloy by using an Al-Fe material in an intermediate frequency furnace, and preparing a smelting tool;
s2: preparation of reagents: preparing a covering agent, a refining agent, a stabilizing agent, a sulfuric acid solvent, a phosphoric acid solvent and a deslagging agent;
s3: charging and smelting: preheating the prepared smelting tool before use, putting electrolytic copper, metallic aluminum, iron, manganese and other materials and a return charge into an intermediate frequency furnace for smelting when the prepared smelting tool is used, heating the intermediate frequency furnace to a certain temperature, adding an intermediate alloy, and performing heating and melting operation;
s4: adding a reagent: when the mixture is heated and melted, a refining agent, a stabilizing agent, a sulfuric acid solvent and a phosphoric acid solvent are sequentially added into the mixture, and the sulfuric acid solvent and the phosphoric acid solvent are mixed to form a sulfuric-phosphoric acid mixed solvent to digest the internally generated alumina;
s5: continuously smelting: after the electrolytic copper is melted to be molten down, slowly stirring, adding a covering agent for protection, slightly stirring until the electrolytic copper is completely molten down, stopping stirring, heating to a certain constant temperature, adding a certain amount of a deslagging agent for deslagging, and standing;
s6: forming an aluminum bronze casting: and detecting the molten copper, casting and molding the molten copper, air-drying and solidifying the molten copper after molding, and performing cold water quenching operation in a certain period of time to finish the smelting of the aluminum bronze casting.
Further, the ratio of the reagents in the step S2 is as follows: the content of the covering agent is 20-28%, the content of the refining agent is 33-45%, the content of the stabilizing agent is 15-26%, the content of the sulfuric acid solvent is 5-10%, the content of the phosphoric acid solvent is 5-10%, and the content of the deslagging agent is 2-5%.
Further, the portion of the covering agent is 25%, the portion of the refining agent is 38%, the portion of the stabilizing agent is 22%, the portion of the sulfuric acid solvent is 6%, the portion of the phosphoric acid solvent is 6%, and the portion of the deslagging agent is 3%.
Further, the temperature of the intermediate frequency furnace heated in the step S3 is 280-360 ℃.
Further, in the step S5, the intermediate frequency furnace heats the smelting temperature and keeps the temperature constant at 1030-1100 ℃.
Further, the ratio of the components of the molten electrolytic copper and the master alloy in the step S3 is 4: 1.
Further, in the step S4, a sulfuric acid solvent and a phosphoric acid solvent are mixed to form a sulfuric-phosphoric acid mixed solvent, wherein the ratio of the sulfuric acid solvent to the phosphoric acid solvent is 1: 1.
Example two:
on the basis of the first embodiment, the smelting process of the aluminum bronze comprises the following operation steps:
s1: preparing materials: preparing a certain amount of electrolytic copper, metallic aluminum, iron, manganese and other materials, and cleaning; preparing a certain amount of scrap returns, selecting a certain amount of intermediate alloy, smelting the intermediate alloy by using an Al-Fe material in an intermediate frequency furnace, and preparing a smelting tool;
s2: preparation of reagents: preparing a covering agent, a refining agent, a stabilizing agent, a sulfuric acid solvent, a phosphoric acid solvent and a deslagging agent;
s3: charging and smelting: preheating the prepared smelting tool before use, putting electrolytic copper, metallic aluminum, iron, manganese and other materials and a return charge into an intermediate frequency furnace for smelting when the prepared smelting tool is used, heating the intermediate frequency furnace to a certain temperature, adding an intermediate alloy, and performing heating and melting operation;
s4: adding a reagent: when the mixture is heated and melted, a refining agent, a stabilizing agent, a sulfuric acid solvent and a phosphoric acid solvent are sequentially added into the mixture, and the sulfuric acid solvent and the phosphoric acid solvent are mixed to form a sulfuric-phosphoric acid mixed solvent to digest the internally generated alumina;
s5: continuously smelting: after the electrolytic copper is melted to be molten down, slowly stirring, adding a covering agent for protection, slightly stirring until the electrolytic copper is completely molten down, stopping stirring, heating to a certain constant temperature, adding a certain amount of a deslagging agent for deslagging, and standing;
s6: forming an aluminum bronze casting: and detecting the molten copper, casting and molding the molten copper, air-drying and solidifying the molten copper after molding, and performing cold water quenching operation in a certain period of time to finish the smelting of the aluminum bronze casting.
Further, the ratio of the reagents in the step S2 is as follows: the content of the covering agent is 20-28%, the content of the refining agent is 33-45%, the content of the stabilizing agent is 15-26%, the content of the sulfuric acid solvent is 5-10%, the content of the phosphoric acid solvent is 5-10%, and the content of the deslagging agent is 2-5%.
Further, the proportion of the covering agent is 26%, the proportion of the refining agent is 39%, the proportion of the stabilizing agent is 21%, the proportion of the sulfuric acid solvent is 5%, the proportion of the phosphoric acid solvent is 5%, and the proportion of the deslagging agent is 4%.
Further, the temperature of the intermediate frequency furnace heated in the step S3 is 280-360 ℃.
Further, in the step S5, the intermediate frequency furnace heats the smelting temperature and keeps the temperature constant at 1030-1100 ℃.
Further, the ratio of the components of the molten electrolytic copper and the master alloy in the step S3 is 4: 1.
Further, in the step S4, a sulfuric acid solvent and a phosphoric acid solvent are mixed to form a sulfuric-phosphoric acid mixed solvent, wherein the ratio of the sulfuric acid solvent to the phosphoric acid solvent is 1: 1.
The working principle is as follows: preparing a certain amount of electrolytic copper, metallic aluminum, iron, manganese and other materials, and cleaning; preparing a certain amount of foundry returns, selecting a certain amount of intermediate alloy, preparing an intermediate frequency furnace for smelting, preparing a smelting tool, preparing a covering agent, a refining agent, a stabilizing agent, a sulfuric acid solvent, a phosphoric acid solvent and a deslagging agent, preheating the prepared smelting tool before use, putting electrolytic copper, metallic aluminum, iron, manganese and other materials and foundry returns into the intermediate frequency furnace for smelting, heating the intermediate frequency furnace to a certain temperature, adding the intermediate alloy, performing heating and melting operation, sequentially adding the refining agent, the stabilizing agent, the sulfuric acid solvent, the phosphoric acid solvent into the furnace during heating and melting to form a sulfuric-phosphoric acid blended solvent, digesting the internally generated aluminum oxide, slowly stirring after melting the electrolytic copper to be molten, adding the covering agent for protection, slightly stirring until the electrolytic copper is completely molten, and stopping stirring, heating to a certain constant temperature, adding a certain amount of slag removing agent to carry out slag removing operation, standing, removing molten copper, detecting, casting, air-drying and solidifying, carrying out cold water quenching operation in a certain period of time, and finishing the smelting of the aluminum bronze casting.
It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The smelting process of the aluminum bronze is characterized by comprising the following steps: the method comprises the following operation steps:
s1: preparing materials: preparing a certain amount of electrolytic copper, metallic aluminum, iron, manganese and other materials, and cleaning; preparing a certain amount of scrap returns, selecting a certain amount of intermediate alloy, preparing intermediate frequency furnace smelting and preparing a smelting tool, wherein the intermediate alloy is made of Al-Fe materials;
s2: preparation of reagents: preparing a covering agent, a refining agent, a stabilizing agent, a sulfuric acid solvent, a phosphoric acid solvent and a deslagging agent;
s3: charging and smelting: preheating the prepared smelting tool before use, putting electrolytic copper, metallic aluminum, iron, manganese and other materials and a return charge into an intermediate frequency furnace for smelting when the prepared smelting tool is used, heating the intermediate frequency furnace to a certain temperature, adding an intermediate alloy, and performing heating and melting operation;
s4: adding a reagent: when the mixture is heated and melted, a refining agent, a stabilizing agent, a sulfuric acid solvent and a phosphoric acid solvent are sequentially added into the mixture, and the sulfuric acid solvent and the phosphoric acid solvent are mixed to form a sulfuric-phosphoric acid mixed solvent to digest the internally generated alumina;
s5: continuously smelting: after the electrolytic copper is melted to be molten down, slowly stirring, adding a covering agent for protection, slightly stirring until the electrolytic copper is completely molten down, stopping stirring, heating to a certain constant temperature, adding a certain amount of a deslagging agent for deslagging, and standing;
s6: forming an aluminum bronze casting: and detecting the molten copper, casting and molding the molten copper, air-drying and solidifying the molten copper after molding, and performing cold water quenching operation in a certain period of time to finish the smelting of the aluminum bronze casting.
2. The melting process of aluminum bronze according to claim 1, wherein: the mixture ratio of the reagents in the step S2 is as follows: the content of the covering agent is 20-28%, the content of the refining agent is 33-45%, the content of the stabilizing agent is 15-26%, the content of the sulfuric acid solvent is 5-10%, the content of the phosphoric acid solvent is 5-10%, and the content of the deslagging agent is 2-5%.
3. The melting process of aluminum bronze according to claim 2, wherein: the proportion of the covering agent is 25%, the proportion of the refining agent is 38%, the proportion of the stabilizing agent is 22%, the proportion of the sulfuric acid solvent is 6%, the proportion of the phosphoric acid solvent is 6%, and the proportion of the deslagging agent is 3%.
4. The melting process of aluminum bronze according to claim 2, wherein: the proportion of the covering agent is 26%, the proportion of the refining agent is 39%, the proportion of the stabilizing agent is 21%, the proportion of the sulfuric acid solvent is 5%, the proportion of the phosphoric acid solvent is 5%, and the proportion of the deslagging agent is 4%.
5. The melting process of aluminum bronze according to claim 1, wherein: and the temperature of the heating intermediate frequency furnace in the step S3 is 280-360 ℃.
6. The melting process of aluminum bronze according to claim 1, wherein: and in the step S5, heating and smelting temperature in an intermediate frequency furnace and keeping the temperature constant at 1030-1100 ℃.
7. The melting process of aluminum bronze according to claim 1, wherein: the component ratio of the smelted electrolytic copper to the master alloy in the step S3 is 4: 1.
8. The melting process of aluminum bronze according to claim 1, wherein: and mixing the sulfuric acid solvent and the phosphoric acid solvent in the step S4 to form a sulfuric-phosphoric acid mixed solvent, wherein the ratio of the sulfuric acid solvent to the phosphoric acid solvent is 1: 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110770293.1A CN113481396A (en) | 2021-07-08 | 2021-07-08 | Smelting process of aluminum bronze |
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| CN202110770293.1A CN113481396A (en) | 2021-07-08 | 2021-07-08 | Smelting process of aluminum bronze |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115466862A (en) * | 2022-09-27 | 2022-12-13 | 同创普润(上海)机电高科技有限公司 | Smelting process of ultra-pure copper-aluminum alloy |
-
2021
- 2021-07-08 CN CN202110770293.1A patent/CN113481396A/en active Pending
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| Title |
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| 邓寅生等: "《煤炭固体废物利用与处置》", 31 August 2008, 中国环境科学出版社 * |
| 饶克等: "《金属材料专业实验教程》", 30 June 2018, 冶金工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115466862A (en) * | 2022-09-27 | 2022-12-13 | 同创普润(上海)机电高科技有限公司 | Smelting process of ultra-pure copper-aluminum alloy |
| CN115466862B (en) * | 2022-09-27 | 2024-02-06 | 同创普润(上海)机电高科技有限公司 | Smelting process of ultra-high purity copper-aluminum alloy |
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Application publication date: 20211008 |