CN111286636B - Preparation method of aluminum alloy liquid - Google Patents
Preparation method of aluminum alloy liquid Download PDFInfo
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- CN111286636B CN111286636B CN202010202898.6A CN202010202898A CN111286636B CN 111286636 B CN111286636 B CN 111286636B CN 202010202898 A CN202010202898 A CN 202010202898A CN 111286636 B CN111286636 B CN 111286636B
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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
- C22C1/026—Alloys based on aluminium
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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
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
- F27D25/001—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers
- F27D25/005—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers used for cleaning the channels of induction furnaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
- F27D3/1545—Equipment for removing or retaining slag
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
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- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A preparation method of aluminum alloy liquid comprises the following steps of firstly, weighing raw materials; step two, melting the aluminum block; step three, melting the alloy; step four, mixing and refining; step five, slagging off; in the first step, according to the selection of a melting boiler, weighing silicon, copper, magnesium, titanium, chromium, manganese, a refining agent and an aluminum block according to a proportion; in the second step, the aluminum blocks weighed in the first step are placed into a melting boiler, the temperature is raised through the working of the boiler, the furnace temperature is adjusted to 720-750 ℃, and the aluminum blocks are melted into aluminum liquid; in the third step, adding the silicon, copper, magnesium, titanium, chromium and manganese blocks weighed in the first step into the molten boiler aluminum liquid in the second step; regulating the furnace temperature to 680-700 ℃, and melting to obtain alloy aluminum liquid; the addition of raw materials such as titanium, chromium, refining agent and the like in the aluminum alloy liquid improves the tensile strength and ductility of the aluminum alloy finished product in the later period, wherein the nitrogen is injected in the melting process, so that the oxidation in the preparation process of the aluminum alloy liquid is reduced.
Description
Technical Field
The invention relates to the technical field of aluminum alloy liquid preparation, in particular to a preparation method of an aluminum alloy liquid.
Background
The raw aluminum is generally called electrolytic aluminum in market supply and is a raw material for producing aluminum materials and aluminum alloy materials; the aluminum is a metal with low strength and good plasticity, except for applying partial pure aluminum, the aluminum is prepared into an alloy for improving the strength or the comprehensive performance, and the structure and the performance of the aluminum can be changed by adding an alloy element into the aluminum, so that the aluminum is suitable for being used as various processing materials or casting parts; the alloy elements which are often added comprise copper, magnesium, zinc, silicon and the like, and the aluminum alloy has small density and high strength, meanwhile, the alloy has excellent casting property, corrosion resistance, weldability and thermal expansibility, can be used for producing structural materials which have complex shapes, thin walls, high requirements on corrosion resistance and air tightness and bear medium and high static loads or impact loads, thereby becoming one of the most important structural materials in the manufacturing industry, wherein, the production process of the aluminum alloy is usually formed and cast by melting the aluminum alloy liquid, but the alloy melting process in the existing preparation process of the aluminum alloy liquid needs manual stirring, the process is labor-consuming, the full fusion of the alloy liquid cannot be ensured, slag and oxides can be contained in the preparation process of the aluminum alloy liquid, automatic slag discharge cannot be performed in the preparation process, the quality of the aluminum alloy finished product at the later stage is easily influenced, and the tensile strength and the ductility of the finished product prepared by the conventional aluminum alloy liquid are general.
Disclosure of Invention
The invention aims to provide a preparation method of an aluminum alloy liquid, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a preparation method of aluminum alloy liquid comprises the following steps of firstly, weighing raw materials; step two, melting the aluminum block; step three, melting the alloy; step four, mixing and refining; step five, slagging off;
in the first step, according to the selection of a melting boiler, weighing silicon, copper, magnesium, titanium, chromium, manganese, a refining agent and an aluminum block according to a proportion;
in the second step, the aluminum blocks weighed in the first step are placed into a melting boiler, the temperature is raised through the working of the boiler, the furnace temperature is adjusted to 720-750 ℃, and the aluminum blocks are melted into aluminum liquid;
in the third step, adding the silicon, copper, magnesium, titanium, chromium and manganese blocks weighed in the first step into the molten boiler aluminum liquid in the second step; regulating the furnace temperature to 680-700 ℃, and melting to obtain alloy aluminum liquid;
wherein in the fourth step, a novel melting boiler groove is taken; putting the alloy aluminum liquid obtained in the third step into a melting boiler tank, and vibrating the boiler tank in a reciprocating manner to fully mix the alloy aluminum liquid, wherein the refining agent weighed in the first step is coated by an aluminum foil and pressed into the aluminum liquid, and the temperature of the boiler tank is controlled to be 680 plus 700 ℃ for refining for 15-20 minutes;
and in the fifth step, slagging off is carried out on the surface of the alloy aluminum liquid after refining in the fourth step to obtain the aluminum alloy liquid.
According to the technical scheme, the raw materials in the first step comprise the following components in percentage by weight: 3.2 to 4.8 percent of silicon, 0.15 to 0.25 percent of copper, 0.8 to 1.4 percent of magnesium, 0.19 to 0.35 percent of titanium, 0.22 to 0.28 percent of chromium, 0.8 to 1.4 percent of manganese, 1.2 to 2 percent of refining agent and the balance of aluminum.
According to the technical scheme, the raw materials in the first step comprise the following components in percentage by weight: 3.2 to 4.8 percent of silicon, 0.15 to 0.25 percent of copper, 0.8 to 1.4 percent of magnesium, 0.19 to 0.35 percent of titanium, 0.22 to 0.28 percent of chromium, 0.8 to 1.4 percent of manganese, 1.2 to 2 percent of refining agent and the balance of aluminum.
According to the technical scheme, the refining agent in the first step can be potassium chloride and potassium carbonate, and the weight ratio of the potassium chloride to the potassium carbonate is 5: 1.
According to the technical scheme, nitrogen is injected into the boiler in the melting process of the boiler in the second step and the third step.
According to the technical scheme, the novel melting boiler tank in the fourth step comprises a base, a reciprocating vibration assembly, a boiler tank, a slag raking assembly and a slag discharging guide plate, wherein the boiler tank is arranged on the outer wall of the top end of the base through the reciprocating vibration assembly;
the reciprocating vibration component 2 comprises a first sliding block, a first sliding groove, a spring, a first motor, a half gear and a rack, wherein the first sliding block is fixedly welded on the outer walls of two sides of the bottom end of the boiler groove, the first sliding groove is formed in the outer wall of the top end of the base corresponding to the first sliding block, the spring is fixedly welded on the inner wall of the first sliding groove located on one side of the first sliding block, the first motor is fixedly screwed on the outer wall of one side of the top end of the base, one end of an output shaft of the first motor is fixedly connected with the half gear, the rack is fixedly welded on the outer wall of the middle part of one side of the boiler groove and is meshed with the half gear, and the slag removing component is arranged on the outer wall of the top end of the boiler groove;
the slagging-off subassembly includes fixed block, second spout, second slider, axis of rotation, scum board, second motor and hydraulic stem, welded fastening has the fixed block on the top both sides outer wall in boiler groove, link up on the middle part inner wall of fixed block and seted up the second spout, the inside of second spout is provided with the second slider, rotate on one side middle part outer wall of second slider and install the axis of rotation, fixedly connected with scum board on the outer wall between the axis of rotation, the fixed block is located and inlays on the inner wall of second spout one side and is fixed with the hydraulic stem, and one side outer wall fixed connection of telescopic link one end of hydraulic stem and second slider.
According to the technical scheme, the slag discharging guide plate is fixedly welded on the outer wall of the top end of one side of the boiler groove.
According to the technical scheme, the bearing is embedded at the rotating connection position of the second sliding block and the rotating shaft.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the tensile strength and ductility of the later-stage aluminum alloy finished product are improved by adding raw materials such as titanium, chromium, manganese, a refining agent and the like into the aluminum alloy liquid, wherein the oxidation in the preparation process of the aluminum alloy liquid is reduced by injecting nitrogen in the melting process, and the vibration mixing of the alloy liquid can be conveniently carried out by using the novel melting boiler tank, so that the problem that the traditional stirring mixing is difficult and inconvenient is solved, the automatic slag scraping can be realized, and great convenience is brought to workers.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of the steps of the preparation method of the present invention;
FIG. 2 is a perspective view of the novel melter tank of the present invention;
FIG. 3 is a perspective view of the slag raking assembly of the present invention;
FIG. 4 is an enlarged view of the structure of the area A in FIG. 2 according to the present invention;
in the figure: 1. a base; 2. a reciprocating vibration assembly; 3. a boiler tank; 4. a slag skimming component; 5. a slag discharge guide plate; 21. a first slider; 22. a first chute; 23. a spring; 24. a first motor; 25. a half gear; 26. a rack; 41. a fixed block; 42. a second chute; 43. a second slider; 44. a rotating shaft; 45. a slag discharge plate; 46. a second motor; 47. a hydraulic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-4, the present invention provides a technical solution: a preparation method of aluminum alloy liquid comprises the following steps of firstly, weighing raw materials; step two, melting the aluminum block; step three, melting the alloy; step four, mixing and refining; step five, slagging off;
in the first step, according to the selection of a melting boiler, weighing silicon, copper, magnesium, titanium, chromium, manganese, a refining agent and an aluminum block according to a proportion; the weight percentages of the raw materials in the first step are as follows: 3.2 to 4.8 percent of silicon, 0.15 to 0.25 percent of copper, 0.8 to 1.4 percent of magnesium, 0.19 to 0.35 percent of titanium, 0.22 to 0.28 percent of chromium, 0.8 to 1.4 percent of manganese, 1.2 to 2 percent of refining agent and the balance of aluminum; the refining agent in the first step can be potassium chloride and potassium carbonate, and the weight ratio of the potassium chloride to the potassium carbonate is 5: 1;
in the second step, the aluminum blocks weighed in the first step are placed into a melting boiler, the temperature is raised through the working of the boiler, the furnace temperature is adjusted to 720-750 ℃, and the aluminum blocks are melted into aluminum liquid;
in the third step, adding the silicon, copper, magnesium, titanium, chromium and manganese blocks weighed in the first step into the molten boiler aluminum liquid in the second step; regulating the furnace temperature to 680-700 ℃, and melting to obtain alloy aluminum liquid; injecting nitrogen into the boiler in the melting process of the boiler in the second step and the third step;
wherein in the fourth step, a novel melting boiler groove is taken; putting the alloy aluminum liquid obtained in the third step into a melting boiler tank, and vibrating the boiler tank in a reciprocating manner to fully mix the alloy aluminum liquid, wherein the refining agent weighed in the first step is coated by an aluminum foil and pressed into the aluminum liquid, and the temperature of the boiler tank is controlled to be 680 plus 700 ℃ for refining for 15-20 minutes; the novel melting boiler groove in the fourth step comprises a base 1, a reciprocating vibration component 2, a boiler groove 3, a slag raking component 4 and a slag discharging guide plate 5, wherein the boiler groove 3 is arranged on the outer wall of the top end of the base 1 through the reciprocating vibration component 2; the reciprocating vibration component 2 comprises a first sliding block 21, a first sliding groove 22, a spring 23, a first motor 24, a half gear 25 and a rack 26, the first sliding block 21 is fixedly welded on the outer walls of two sides of the bottom end of the boiler groove 3, the first sliding groove 22 is formed in the outer wall of the top end of the base 1 corresponding to the first sliding block 21, the spring 23 is fixedly welded on the inner wall of the first sliding groove 22 located on one side of the first sliding block 21, the first motor 24 is fixedly bolted on the outer wall of one side of the top end of the base 1, the half gear 25 is fixedly connected to one end of an output shaft of the first motor 24, the rack 26 is fixedly welded on the outer wall of the middle of one side of the boiler groove 3, the rack 26 is connected with the half gear 25 in a meshed mode, and the slag removing component 4 is arranged on the outer wall of the top end of the boiler groove 3; the slag raking component 4 comprises a fixed block 41, a second sliding groove 42, a second sliding block 43, a rotating shaft 44, a slag discharging plate 45, a second motor 46 and a hydraulic rod 47, the fixed block 41 is fixedly welded on the outer walls of the two sides of the top end of the boiler groove 3, the second sliding groove 42 is formed in the middle inner wall of the fixed block 41 in a penetrating manner, the second sliding block 43 is arranged inside the second sliding groove 42, the rotating shaft 44 is rotatably arranged on the outer wall of the middle of one side of the second sliding block 43, the slag discharging plate 45 is fixedly connected to the outer wall between the rotating shafts 44, the hydraulic rod 47 is fixedly embedded on the inner wall of the fixed block 41 on one side of the second sliding groove 42, and one end of a telescopic rod of the hydraulic rod 47 is fixedly connected with the outer wall of one side of the second sliding block 43; a slag discharge guide plate 5 is welded and fixed on the outer wall of the top end of one side of the boiler groove 3; a bearing is embedded at the rotating connection position of the second sliding block 43 and the rotating shaft 44;
and in the fifth step, slagging off is carried out on the surface of the alloy aluminum liquid after refining in the fourth step to obtain the aluminum alloy liquid.
The working principle is as follows: wherein when the novel melting boiler tank is used for mixing the alloy liquid, the novel melting boiler tank can drive the half gear 25 to rotate through the work of the first motor 24, the half gear 25 and the rack 26 are in transmission process, the boiler tank is driven to move under the matching action of the first chute 22 and the first slide block 21, and the compression spring 23 is reset under the action of the spring 23 when the half gear 25 is not clamped with the rack 26, the reciprocating vibration of the boiler tank is realized through the continuous rotation of the half gear 25, the mixing of the alloy liquid is facilitated, and the problem of the traditional stirring and mixing which is laborious and inconvenient is solved, wherein in the slag discharging process, the second slide block 43 is driven to move through the work of the hydraulic rod 47, so that the slag discharging plate 45 is driven to move on the surface of the alloy liquid and move to the end part, and the second motor 46 drives the slag discharging plate 45 to turn over, thereby the miscellaneous slag is scraped onto the slag discharging guide plate 5, thereby realizing the automatic slag scraping, brings great convenience to workers.
It is noted that, herein, relational terms such as first and second, 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.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A preparation method of aluminum alloy liquid comprises the following steps of firstly, weighing raw materials; step two, melting the aluminum block; step three, melting the alloy; step four, mixing and refining; step five, slagging off; the method is characterized in that:
in the first step, according to the selection of a melting boiler, weighing silicon, copper, magnesium, titanium, chromium, manganese, a refining agent and an aluminum block according to a proportion;
in the second step, the aluminum blocks weighed in the first step are placed into a melting boiler, the temperature is raised through the working of the boiler, the furnace temperature is adjusted to 720-750 ℃, and the aluminum blocks are melted into aluminum liquid;
in the third step, adding the silicon, copper, magnesium, titanium, chromium and manganese blocks weighed in the first step into the molten boiler aluminum liquid in the second step; regulating the furnace temperature to 680-700 ℃, and melting to obtain alloy aluminum liquid;
injecting nitrogen into the boiler in the melting process of the boiler in the second step and the third step;
wherein in the fourth step, a melting boiler groove is taken; putting the alloy aluminum liquid obtained in the third step into a melting boiler tank, and vibrating the boiler tank in a reciprocating manner to fully mix the alloy aluminum liquid, wherein the refining agent weighed in the first step is coated by an aluminum foil and pressed into the aluminum liquid, and the temperature of the boiler tank is controlled to be 680 plus 700 ℃ for refining for 15-20 minutes;
the melting boiler tank in the fourth step comprises a base (1), a reciprocating vibration component (2), a boiler tank (3), a slag raking component (4) and a slag discharging guide plate (5), wherein the boiler tank (3) is arranged on the outer wall of the top end of the base (1) through the reciprocating vibration component (2);
the reciprocating vibration component (2) comprises a first sliding block (21), a first sliding chute (22), a spring (23), a first motor (24), a half gear (25) and a rack (26), the outer walls of two sides of the bottom end of the boiler groove (3) are welded and fixed with first sliding blocks (21), a first sliding chute (22) is arranged on the outer wall of the top end of the base (1) corresponding to the first sliding block (21), and a spring (23) is welded and fixed on the inner wall of the first sliding chute (22) at one side of the first sliding block (21), a first motor (24) is fixed on the outer wall of one side of the top end of the base (1) through bolts, one end of an output shaft of the first motor (24) is fixedly connected with a half gear (25), a rack (26) is welded and fixed on the outer wall of the middle part of one side of the boiler groove (3), the rack (26) is meshed with the semi-gear (25), and the slag-raking component (4) is arranged on the outer wall of the top end of the boiler groove (3);
the slag-raking component (4) comprises a fixed block (41), a second chute (42), a second slide block (43), a rotating shaft (44), a slag discharge plate (45), a second motor (46) and a hydraulic rod (47), the outer walls of two sides of the top end of the boiler groove (3) are fixedly welded with fixed blocks (41), a second sliding chute (42) is arranged on the inner wall of the middle part of the fixed block (41) in a through way, a second sliding block (43) is arranged in the second sliding groove (42), a rotating shaft (44) is rotatably arranged on the outer wall of the middle part of one side of the second sliding block (43), a slag discharge plate (45) is fixedly connected on the outer wall between the rotating shafts (44), a hydraulic rod (47) is embedded and fixed on the inner wall of the fixed block (41) at one side of the second sliding chute (42), one end of a telescopic rod of the hydraulic rod (47) is fixedly connected with the outer wall of one side of the second sliding block (43);
and in the fifth step, slagging off is carried out on the surface of the alloy aluminum liquid after refining in the fourth step to obtain the aluminum alloy liquid.
2. The method for producing an aluminum alloy liquid according to claim 1, characterized in that: the weight percentages of the raw materials in the step one are as follows: 3.2 to 4.8 percent of silicon, 0.15 to 0.25 percent of copper, 0.8 to 1.4 percent of magnesium, 0.19 to 0.35 percent of titanium, 0.22 to 0.28 percent of chromium, 0.8 to 1.4 percent of manganese, 1.2 to 2 percent of refining agent and the balance of aluminum.
3. The method for producing an aluminum alloy liquid according to claim 1, characterized in that: the refining agent in the step one is potassium chloride and potassium carbonate, and the weight ratio of the potassium chloride to the potassium carbonate is 5: 1.
4. The method for producing an aluminum alloy liquid according to claim 1, characterized in that: and a slag discharge guide plate (5) is fixedly welded on the outer wall of the top end of one side of the boiler groove (3).
5. The method for producing an aluminum alloy liquid according to claim 1, characterized in that: and a bearing is embedded at the rotating connection position of the second sliding block (43) and the rotating shaft (44).
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| CN108165783A (en) * | 2017-11-20 | 2018-06-15 | 湖州亨达铝业有限公司 | A kind of preparation method of bicycle use aluminium alloy |
| CN108085521A (en) * | 2017-11-20 | 2018-05-29 | 湖州亨达铝业有限公司 | A kind of preparation method of the Automobile Plate aluminium alloy of high ductibility |
| CN209174902U (en) * | 2018-11-13 | 2019-07-30 | 甘肃佳泰商贸有限公司 | A kind of electrolytic aluminium processing prepurging device for removing slag |
| CN110484792B (en) * | 2019-09-27 | 2021-02-26 | 福建省闽发铝业股份有限公司 | Casting production process for improving compressive strength of aluminum profile |
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