CN114350988A - Full-automatic degassing process for smelting and refining - Google Patents
Full-automatic degassing process for smelting and refining Download PDFInfo
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- CN114350988A CN114350988A CN202111410220.8A CN202111410220A CN114350988A CN 114350988 A CN114350988 A CN 114350988A CN 202111410220 A CN202111410220 A CN 202111410220A CN 114350988 A CN114350988 A CN 114350988A
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- 238000007872 degassing Methods 0.000 title claims abstract description 61
- 238000007670 refining Methods 0.000 title claims abstract description 33
- 238000003723 Smelting Methods 0.000 title claims abstract description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052751 metal Inorganic materials 0.000 claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 43
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 41
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 238000004512 die casting Methods 0.000 abstract description 10
- 239000007789 gas Substances 0.000 abstract description 9
- 239000002893 slag Substances 0.000 abstract description 7
- 238000010924 continuous production Methods 0.000 abstract description 5
- 238000005070 sampling Methods 0.000 abstract description 3
- 238000002844 melting Methods 0.000 description 11
- 230000008018 melting Effects 0.000 description 11
- 239000012535 impurity Substances 0.000 description 9
- 239000011261 inert gas Substances 0.000 description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 5
- 235000014347 soups Nutrition 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000003245 working effect Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The invention discloses a smelting refining full-automatic degassing process, which comprises the following steps: s1: preheating two groups of rotor rotating rods, introducing nitrogen, and making vortex in the heat-insulating furnace; s2: adding a refining agent and nitrogen, and after the degassing time is timed, moving the cantilever type double-rotor rotary degassing machine to a standby position; s3: manually skimming the scum on the surface of the aluminum alloy molten metal by using a titanium alloy skimming tool; s4: after skimming is finished, starting a pure degassing process, and after time is finished, rotating and moving the cantilever type double-rotor rotary degassing machine to a standby position; s5: and (3) skimming the scum on the surface of the aluminum alloy molten metal by using a titanium alloy skimming tool manually, sampling and measuring the degassed aluminum alloy molten metal, finishing the refining and degassing work of the aluminum liquid, covering a furnace cover, and waiting for the production of the converter. The invention can ensure that the molten metal is pure and has no slag, the gas content is low, the continuous production can be realized, the quality of the produced die casting is stable and reliable, and the product consistency is very good.
Description
Technical Field
The invention belongs to the technical field of smelting and refining degassing, and particularly relates to a smelting and refining full-automatic degassing process.
Background
At present, the quantitative soup feeding process on the market mainly comprises two modes of quantitative soup feeding in a furnace with degassing bricks and continuous soup feeding in a furnace with partial degassing. However, the two processes can not avoid the problems of oxidation slag inclusion and high gas content. 1. The quantitative furnace mode with the degassing bricks can continuously degas in the furnace, inert gases such as nitrogen/argon and the like can continuously float up to the surface of the aluminum alloy metal liquid from the bottom, a compact alumina oxide layer on the surface of the aluminum alloy metal liquid is damaged, and oxidation slag inclusion is continuously brought. 2. The continuous furnace with partial degassing has regions such as a soup taking port and a material pouring port which cannot be covered by rotary degassing, and the gas content of the aluminum alloy metal liquid can continuously rise along with time. The quality of the molten aluminum alloy brought by the process can not meet the actual production requirements of the ultra-large die casting machine. Therefore, a fully automatic degassing process for smelting and refining is provided to solve the problems mentioned in the background technology.
Disclosure of Invention
The invention aims to provide a full-automatic degassing process for smelting and refining, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a full-automatic degassing process for smelting and refining comprises the following steps:
s1: preheating two groups of rotor rotating rods, introducing nitrogen for 2-4L/min, reducing the rotating speed of the rotor rotating rods to the aluminum alloy molten metal at 60rpm, lifting a baffle, simultaneously increasing the rotating speed of the rotor rotating rods to 660-760 rpm, and generating vortices in the heat-insulating furnace;
s2: adding a refining agent, wherein the nitrogen flow is 20-25L/min, the nitrogen pressure is 0.5MPa after passing through a pressure reducing valve, the rotary degassing time is 5-8 minutes, and after the degassing time is timed, the rotor rotating rod is decelerated and ascended to reach a preparation position, and then the cantilever type double-rotor rotary degassing machine moves to a standby position;
s3: manually skimming the scum on the surface of the aluminum alloy molten metal by using a titanium alloy skimming tool;
s4: after skimming is finished, starting a pure degassing process, introducing nitrogen for 2-4L/min, enabling the rotating speed of rotor rotating rods to be 200rpm, descending into the aluminum alloy molten metal, enabling the baffle plate to also descend into the aluminum alloy molten metal, enabling the rotating speeds of the two rotor rotating rods to be increased to 620rpm-720rpm, enabling the nitrogen flow to be 20L/min-25L/min, enabling the nitrogen pressure to be 0.5MPa, enabling the rotary degassing time to be 25-35 minutes, enabling the rotor rotating rods to decelerate and ascend after the time is finished, and enabling the cantilever type double-rotor rotary degassing machine to rotate and move to a standby position after the preparation position is reached;
s5: and (3) skimming the scum on the surface of the aluminum alloy molten metal by using a titanium alloy skimming tool manually, sampling and measuring the degassed aluminum alloy molten metal, finishing the refining and degassing work of the aluminum liquid, covering a furnace cover, and waiting for the production of the converter.
The purity of the nitrogen is more than or equal to 99.99%.
The type of the refining agent is Coveral1533, two refining agent adding devices are arranged, the adding amount is 1.5-3Kg each time, and the adding amount needs to be set according to a program.
The total time of the skimming procedure in the step S3 is 8-12 minutes.
The two groups of rotor rotating rods rotate in the same direction or in the opposite direction, the center distance of the two groups of rotor rotating rods is 700-800 mm, two 4KW-5KW motors and frequency converters are arranged, the rotating speed is 0-800 rpm and is adjustable, and the type of the rotor rotating rods is DSK 75/800.70.
The holding furnace is an immersion type rotary AB furnace, which comprises a base arranged in a foundation pit, a furnace base movably arranged at the upper end of the base and provided with a rotary seat and a rotary seat, a furnace A and a furnace B arranged on the furnace base, and a furnace cover connected with the side edge of the base through a rotary arm.
The furnace A and the furnace B adopt an entry heating rod heating mode, the length direction of the furnace mouth is 1400-1600mm, the width direction is 800-1000mm, 6 heating rods are arranged in the furnace A and the furnace B, the application voltage of the heating rods is 200V, and the maximum heating power of the furnace A and the furnace B is 180KW, and the adjustment is carried out according to production requirements.
The minimum total height of the furnace A and the furnace B is 2100mm, and the lifting height of the furnace body is 0-600 mm; the rotating diameter of the furnace body is 4600mm-5000mm, the furnace is required to be rotated and changed after the furnace A is used and the furnace B is prepared, and the time for changing the furnace from the furnace A to the furnace B or from the furnace B to the furnace A is less than or equal to 3 minutes.
Compared with the prior art, the invention has the beneficial effects that: the full-automatic degassing process for smelting and refining provided by the invention is completely innovated from the aspects of refining, degassing and the like, is a creative layout and customization process, and the produced aluminum alloy molten metal is pure, has low slag content and low gas content, and can meet the production requirements of an ultra-large die casting machine for integrated die casting structural parts such as a vehicle door and a vehicle body. The invention can ensure that the molten metal is pure and has no slag, the gas content is low, the continuous production can be realized, the quality of the produced die casting is stable and reliable, and the product consistency is very good.
Under the high-speed rotation of the rotor rotating rod, large bubbles of the entering inert gas are broken into very small bubbles, the bubbles are diffused into the whole aluminum alloy molten metal, the surface area of the inert gas is sharply increased, the inert gas is contacted with hydrogen and impurities in the aluminum alloy molten metal, the hydrogen or the impurities are removed from the aluminum alloy molten metal along with the rising of the bubbles, and the impurities are suspended on the surface of the aluminum alloy molten metal; in the middle of the degasification work, start the degasification work simultaneously, reach the degasification efficiency of two degasser simultaneous workings to in limited space, avoided the interference problem of two ordinary degasser simultaneous workings, brought pure no sediment, the aluminum alloy metal liquid that the gas content is low can realize continuous production, the die casting steady quality of production, and is reliable, and the product uniformity is very good.
Drawings
FIG. 1 is a schematic top view of a holding furnace, a cantilevered dual rotor rotary degasser, and a melting furnace arrangement of the present invention;
FIG. 2 is a schematic front view of the cantilevered dual rotor rotary degasser of the present invention;
FIG. 3 is a schematic top view of the cantilevered dual rotor rotary degasser of the present invention;
FIG. 4 is a schematic top view of the cantilevered dual rotor rotary degasser of the present invention for degassing a furnace B;
fig. 5 is a schematic top view of the cantilevered dual rotor rotary degasser of the present invention in a standby position outside the degasser area.
In the figure: 1. a cantilever rotating motor; 2. a cantilever rotating mechanism; 3. a cantilever lifting guide rail; 4. a cantilever; 5. a cantilever lifting motor; 6. a baffle plate lifting motor; 7. a baffle plate; 8. a motor; 9. a rotor rotating rod; 10. a lifting seat; 11. a base; 12. a triangular reinforcing plate; 13. transverse reinforcing ribs; 14. a furnace base; 15. a furnace cover; 16. a, furnace A; 17. b, furnace; 18. a rotating arm; 19. a foundation pit; 20. a holding furnace; 21. a cantilever type double-rotor rotary degasser; 22. an aluminum liquid launder; 23. a melting furnace; 24. a feeding tower of a melting furnace; 25. cleaning the platform; 26. a melting furnace holding chamber; 27. a rotating base; 28. a base.
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.
The invention provides a full-automatic degassing process for smelting and refining, which comprises the following steps of:
s1: preheating two groups of rotor rotating rods 9, introducing nitrogen for 2-4L/min, lowering the rotating speed of the rotor rotating rods 9 to the aluminum alloy molten metal at 60rpm, lifting the baffle 7, simultaneously increasing the rotating speed of the rotor rotating rods 9 to 660-760 rpm, and generating vortexes in the heat preservation furnace 20;
s2: adding a refining agent, wherein the nitrogen flow is 20-25L/min, the nitrogen pressure is 0.5MPa after passing through a pressure reducing valve, the rotary degassing time is 5-8 minutes, after the degassing time is timed, the rotor rotating rod 9 is decelerated and ascended, and after the gas reaches a preparation position, the cantilever type double-rotor rotary degassing machine 21 moves to a standby position again;
s3: manually skimming the scum on the surface of the aluminum alloy molten metal by using a titanium alloy skimming tool;
s4: after skimming is finished, starting a pure degassing process, introducing nitrogen for 2-4L/min, enabling the rotating speed of rotor rotating rods 9 to be 200rpm, descending into the aluminum alloy metal liquid, enabling the baffle 7 to also descend into the aluminum alloy metal liquid, increasing the rotating speed of the two rotor rotating rods 9 to be 620rpm-720rpm, enabling the nitrogen flow to be 20L/min-25L/min, enabling the nitrogen pressure to be 0.5MPa, enabling the rotary degassing time to be 25-35 minutes, decelerating and ascending the rotor rotating rods 9 after the time is finished, and enabling the rotor rotating rods 9 to rotate and move to a standby position after the preparation position is reached;
s5: and (3) skimming the scum on the surface of the aluminum alloy molten metal by using a titanium alloy skimming tool manually, sampling and measuring the degassed aluminum alloy molten metal, finishing the refining and degassing work of the aluminum liquid, covering a furnace cover 15, and waiting for the production of the converter.
Degassing time is 20-35 minutes, large bubbles of the entering inert gas are broken into very small bubbles under the high-speed rotation of the rotor rotating rod 9, the bubbles are diffused into the whole aluminum alloy molten metal, the surface area of the inert gas is sharply increased, the inert gas is contacted with hydrogen and impurities in the aluminum alloy molten metal, the hydrogen or the impurities are removed from the aluminum alloy molten metal along with the rising of the bubbles, and the impurities are suspended on the surface of the aluminum alloy molten metal;
the purity of the nitrogen is more than or equal to 99.99%.
The type of the refining agent is Coveral1533, two refining agent adding devices are arranged, the adding amount is 1.5-3Kg each time, and the adding amount needs to be set according to a program.
The total time of the skimming procedure in the step S3 is 8-12 minutes.
The two groups of rotor rotating rods 9 rotate in the same direction or in opposite directions, the center distance between the two groups of rotor rotating rods 9 is 700-800 mm, two 4KW-5KW motors 8 and frequency converters are arranged, the rotating speed is 0-800 r/min and is adjustable, and the type of the rotor rotating rod 9 is DSK 75/800.70.
The holding furnace 20 is an immersion type rotary AB furnace and comprises a base 28 arranged in a foundation pit 19, a rotary seat 27 movably arranged at the upper end of the base 28, a furnace base 14 arranged on the rotary seat 27, a furnace A16 and a furnace B17 arranged on the furnace base 14 and a furnace cover 15 connected with the side edge of the base 28 through a rotary arm 18. The depth of the foundation pit 19 is 0.8-1.2 m.
The furnace A16 and the furnace B17 adopt an entry type heating rod heating mode, the length direction of the furnace mouth is 1400-1600mm, the width direction is 800-1000mm, 6 heating rods are arranged in the furnace A16 and the furnace B17, the application voltage of the heating rods is 200V, and the maximum heating power of the furnace A16 and the furnace B17 is 180KW, and the adjustment is carried out according to production requirements.
The minimum total height of the furnace A16 and the furnace B17 is 2100mm, and the lifting height of the furnace body is 0-600 mm; the rotating diameter of the furnace body is 4600mm-5000mm, the furnace is required to be rotated and changed after the furnace A16 is used and the furnace B17 is prepared, and the time for changing the furnace from the furnace A16 to the furnace B17 or from the furnace B17 to the furnace A16 is less than or equal to 3 minutes.
A melting furnace feeding tower 24 is arranged at one end of the melting furnace 23, a melting furnace holding chamber 26 is arranged in the melting furnace 23, a liquid outlet of the melting furnace 23 is connected with an aluminum liquid chute 22, and the tail end of the aluminum liquid chute 22 extends to the position right above the rotary seat 27; the melting furnace holding chamber 26 is communicated with the soup outlet, and one side of the melting furnace 23 is also provided with a cleaning platform 25.
The cantilever type double-rotor rotary degasser 21 comprises a cantilever rotary motor 1, a vertically arranged cantilever lifting guide rail 3 driven by the cantilever rotary motor 1, a cantilever 4 slidingly connected on the cantilever lifting guide rail 3, and a front group of motors and a rear group of motors 8 arranged at the top of the tail end of the cantilever 4, wherein the output ends of the motors 8 are connected with a rotor rotating rod 9;
the cantilever rotating motor 1 is driven by a cantilever rotating mechanism 2 to be provided with a vertically arranged cantilever lifting guide rail 3, a cantilever lifting motor 5 is installed at the top of the cantilever lifting guide rail 3, a lifting seat 10 is connected onto the cantilever lifting guide rail 3 in a sliding mode, the cantilever lifting motor 5 drives the lifting seat 10 to move up and down, the cantilever 4 is welded on the side edge of the lifting seat 10, a baffle lifting motor 6 is installed at the top of the tail end of the cantilever 4, and the baffle lifting motor 6 drives a baffle 7 to move up and down;
the cantilever rotating mechanism 2 comprises a fixed seat fixed at the upper end of the base 11 and a rotary table movably connected in the fixed seat through a rotating shaft, and a gear at the output end of the cantilever rotating motor 1 is meshed with teeth at the side edge of the rotary table; therefore, the cantilever rotating motor 1 can enable the rotor rotating rod 9 to be located at any required position through the cantilever rotating mechanism 2, and degassing is conveniently achieved in a limited space or the rotor rotating rod 9 is stopped at a standby position outside a degassing area.
The cantilever rotating motor 1 is fixed at the lower end of the fixing seat, and the cantilever lifting guide rail 3 is welded in the middle of the upper end of the turntable. A triangular reinforcing plate 12 is further welded at the joint of the side edge of the lifting seat 10 and the cantilever 4, and a transverse reinforcing rib 13 is further welded on the inner side of the top of the cantilever 4. Therefore, the connection strength between the side edge of the lifting seat 10 and the cantilever 4 and the structural strength of the cantilever 4 can be improved, the service life is prolonged, and the two motors 8 and the two sets of rotor rotating rods 9 can be installed and used.
Compared with the prior art, the invention comprehensively innovates in the aspects of refining, degassing and the like, has creative layout and customization process, produces pure aluminum alloy molten metal, has low slag content and low gas content, and can meet the production requirements of ultra-large die casting machines for integrated die casting structural parts such as vehicle doors and vehicle bodies. The invention can ensure that the molten metal is pure and has no slag, the gas content is low, the continuous production can be realized, the quality of the produced die casting is stable and reliable, and the product consistency is very good.
The invention reduces the size of bubbles and improves the degassing efficiency by improving the rotating speed of the rotor rotating rod 9. Two rotor motors 8 and two sets of rotor rotating rods 9, under the high-speed rotation of the rotor rotating rods 9, large bubbles of the entering inert gas are broken into very small bubbles and are diffused into the whole aluminum alloy molten metal, the surface area of the inert gas is increased rapidly and is contacted with hydrogen and impurities in the aluminum alloy molten metal, the hydrogen or the impurities are removed from the aluminum alloy molten metal along with the rising of the bubbles, and the impurities are suspended on the surface of the aluminum alloy molten metal; in the middle of the degasification work, start the degasification work simultaneously, reach the degasification efficiency of two degasser simultaneous workings to in limited space, avoided the interference problem of two ordinary degasser simultaneous workings, can ensure that the aluminum alloy molten metal is pure to have the sediment, the air content is low, can realize continuous production, the die casting stable in quality of production, and is reliable, and the product uniformity is very good.
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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. A smelting refining full-automatic degassing process is characterized in that: the method comprises the following steps:
s1: preheating two groups of rotor rotating rods (9), introducing nitrogen for 2-4L/min, reducing the rotating speed of the rotor rotating rods (9) to 60rpm when the rotating speed of the rotor rotating rods (9) is reduced to the aluminum alloy molten metal, lifting a baffle plate (7), simultaneously increasing the rotating speed of the rotor rotating rods (9) to 660-760 rpm, and generating vortexes in a heat preservation furnace (20);
s2: adding a refining agent, wherein the nitrogen flow is 20-25L/min, the nitrogen pressure is 0.5MPa after passing through a pressure reducing valve, the rotary degassing time is 5-8 minutes, after the degassing time is timed, the rotor rotating rod (9) is decelerated and ascended, and after the rotor rotating rod reaches a preparation position, the cantilever type double-rotor rotary degassing machine (21) moves to a standby position again;
s3: manually skimming the scum on the surface of the aluminum alloy molten metal by using a titanium alloy skimming tool;
s4: after skimming is finished, starting a pure degassing process, introducing nitrogen for 2-4L/min, enabling the rotating speed of the rotor rotating rods (9) to be 200rpm, descending into the aluminum alloy metal liquid, enabling the baffle plate (7) to also descend into the aluminum alloy metal liquid, increasing the rotating speed of the two rotor rotating rods (9) to be 620-720 rpm, enabling the nitrogen flow to be 20-25L/min, the nitrogen pressure to be 0.5MPa, and the rotary degassing time to be 25-35 minutes, enabling the rotor rotating rods (9) to decelerate and ascend after the time is finished, and enabling the two cantilever type rotor rotary degassing machine (21) to rotate and move to a standby position again after the time is finished;
s5: the titanium alloy slagging-off tool is used manually to skim off the scum on the surface of the aluminum alloy molten metal, the aluminum alloy molten metal after degassing is sampled and measured, and after the aluminum liquid is refined and degassed, a furnace cover (15) is covered to wait for the production of the converter.
2. The full-automatic degassing process for smelting and refining of claim 1, wherein: the purity of the nitrogen is more than or equal to 99.99%.
3. The full-automatic degassing process for smelting and refining of claim 1, wherein: the type of the refining agent is Coveral1533, two refining agent adding devices are arranged, the adding amount is 1.5-3Kg each time, and the adding amount needs to be set according to a program.
4. The full-automatic degassing process for smelting and refining of claim 1, wherein: the total time of the skimming procedure in the step S3 is 8-12 minutes.
5. The full-automatic degassing process for smelting and refining of claim 1, wherein: the two groups of rotor rotating rods (9) rotate in the same direction or in the opposite direction, the center distance of the two groups of rotor rotating rods (9) is 700-800 mm, two 4KW-5KW motors (8) and frequency converters are arranged, the rotating speed is 0-800 r/min and is adjustable, and the type of the rotor rotating rods (9) is DSK 75/800.70.
6. The full-automatic degassing process for smelting and refining of claim 1, wherein: the heat preservation furnace (20) is an immersion type rotary AB furnace and comprises a base (28) arranged in a foundation pit (19), a rotary seat (27) movably arranged at the upper end of the base (28), a furnace base (14) arranged on the rotary seat (27), a furnace A (16) and a furnace B (17) arranged on the furnace base (14) and a furnace cover (15) connected with the side edge of the base (28) through a rotary arm (18).
7. The full-automatic degassing process for smelting and refining of claim 6, wherein: the furnace A (16) and the furnace B (17) adopt an entry type heating rod heating mode, the length direction of the furnace mouth is 1400-1600mm, the width direction is 800-1000mm, 6 heating rods are arranged in the furnace A (16) and the furnace B (17), the using voltage of the heating rods is 200V, and the maximum heating power of the furnace A (16) and the furnace B (17) is 180KW, and the adjustment is carried out according to production requirements.
8. The full-automatic degassing process for smelting and refining of claim 6, wherein: the minimum total height of the furnace A (16) and the furnace B (17) is 2100mm, and the lifting height of a furnace body is 0-600 mm; the rotating diameter of the furnace body is 4600mm-5000mm, the furnace is required to be rotated and changed after the furnace A (16) is used and the furnace B (17) is prepared, and the time from the furnace A (16) to the furnace B (17) or from the furnace B (17) to the furnace A (16) is less than or equal to 3 minutes.
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| CN202111410220.8A CN114350988A (en) | 2021-11-25 | 2021-11-25 | Full-automatic degassing process for smelting and refining |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115090859A (en) * | 2022-07-19 | 2022-09-23 | 河南中力明新材料有限公司 | Air-permeable degassing and deslagging equipment in aluminum alloy flat ingot casting furnace |
| CN115216636A (en) * | 2022-08-17 | 2022-10-21 | 维苏威高级陶瓷(中国)有限公司 | Gear-driven non-ferrous metal liquid refining device |
-
2021
- 2021-11-25 CN CN202111410220.8A patent/CN114350988A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115090859A (en) * | 2022-07-19 | 2022-09-23 | 河南中力明新材料有限公司 | Air-permeable degassing and deslagging equipment in aluminum alloy flat ingot casting furnace |
| CN115216636A (en) * | 2022-08-17 | 2022-10-21 | 维苏威高级陶瓷(中国)有限公司 | Gear-driven non-ferrous metal liquid refining device |
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Application publication date: 20220415 |