CN117029475A - Vacuum induction smelting device with uniform cooling and use method thereof - Google Patents
Vacuum induction smelting device with uniform cooling and use method thereof Download PDFInfo
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- CN117029475A CN117029475A CN202311129366.4A CN202311129366A CN117029475A CN 117029475 A CN117029475 A CN 117029475A CN 202311129366 A CN202311129366 A CN 202311129366A CN 117029475 A CN117029475 A CN 117029475A
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- vacuum induction
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- water
- cooling
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- 230000006698 induction Effects 0.000 title claims abstract description 180
- 238000003723 Smelting Methods 0.000 title claims abstract description 81
- 238000001816 cooling Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 238000003756 stirring Methods 0.000 claims abstract description 47
- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 238000003860 storage Methods 0.000 claims abstract description 23
- 238000002844 melting Methods 0.000 claims description 59
- 230000008018 melting Effects 0.000 claims description 59
- 230000007246 mechanism Effects 0.000 claims description 41
- 238000007667 floating Methods 0.000 claims description 32
- 239000011261 inert gas Substances 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 17
- 230000009471 action Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000000956 alloy Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
- F27B14/061—Induction furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/20—Arrangement of controlling, monitoring, alarm or like devices
-
- 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
- F27D27/00—Stirring devices for molten material
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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
- F27D9/00—Cooling of furnaces or of charges therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
- F27B2014/045—Vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0837—Cooling arrangements
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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
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/007—Cooling of charges therein
- F27D2009/0081—Cooling of charges therein the cooling medium being a fluid (other than a gas in direct or indirect contact with the charge)
- F27D2009/0083—Cooling of charges therein the cooling medium being a fluid (other than a gas in direct or indirect contact with the charge) the fluid being water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses a vacuum induction smelting device with uniform cooling and a use method thereof, and relates to the technical field of vacuum induction smelting. The utility model provides a vacuum induction smelting device that cooling is even and application method thereof, provide power for the water-cooling circulation through the water pump, make cold water in the storage water tank get into the spiral pipe along first siphunculus, carry out the heat of metal melt out, then get into cooling in the refrigeration plant, and send back in the storage water tank, in addition, drive puddler and stirring leaf through servo motor and rotate, utilize the stirring leaf of pivoted to stir the metal melt in the vacuum induction smelting stove, the vacuum induction smelting device after the improvement not only reaches quick cooling purpose, improve cooling efficiency, still be favorable to inside metal melt evenly cooling, promote the cooling effect.
Description
Technical Field
The invention relates to the technical field of vacuum induction smelting, in particular to a vacuum induction smelting device with uniform cooling and a use method thereof.
Background
Vacuum induction melting refers to a metallurgical method for melting by heating furnace burden by generating eddy currents in a metal conductor by electromagnetic induction under vacuum conditions. Because the smelting is carried out in a vacuum environment, the metal in the smelting furnace is not easy to oxidize, the removal of gas impurities such as oxygen, nitrogen and the like in the smelting furnace and the volatilization removal of metal impurity elements with high vapor pressure such as copper, zinc and the like are facilitated, and the quality of the smelting alloy is better and the performance is more excellent. Therefore, vacuum induction melting is widely applied to the production of special alloy fields such as special steel, precise alloy, electrothermal alloy, high-temperature alloy, corrosion-resistant alloy and the like.
For example, patent document 202122106707.9 discloses a vacuum induction melting furnace with a temperature measuring induction device, which is convenient for fixing a fixing disc and an installation pipe by arranging an inserting hole and an inserting column, and meanwhile, the inserting column can increase the structural stability during installation; through setting up rack post and gear, when the gear rotates, through rack post and gear engagement, make rack post reciprocate to make the connecting rod drive temperature measurement inductive head body reciprocates, and then can adjust the temperature measurement point height according to actual temperature measurement condition, be convenient for vacuum induction melting furnace use. However, existing vacuum induction melting devices similar to the above documents still suffer from the following disadvantages:
firstly, when the existing vacuum induction smelting device is used for cooling operation, no matter air cooling or water cooling is carried out, a cooling structure is generally arranged outside the device, and heat is carried away by flowing air or flowing water so as to achieve the purpose of cooling, but the cooling efficiency is low, and the cooling effect is influenced by being unfavorable for uniform cooling of internal molten metal, so that the metal smelting production is influenced;
secondly, the existing vacuum induction smelting device is in a sealing state generally during smelting production, but at different temperatures, the gas molecule distance can change, so that the internal air pressure of the device is changed, the accurate control of smelting production is not facilitated, and the quality of produced metal is not facilitated to be strictly controlled.
Therefore, the invention provides a vacuum induction melting device with uniform cooling and a use method thereof, which aims at researching and improving the existing structure and defects.
Disclosure of Invention
The invention aims to provide a vacuum induction smelting device with uniform cooling and a use method thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a vacuum induction smelting device of even cooling, includes unable adjustment base, spiral pipe and mounting bracket, unable adjustment base's top fixedly connected with mount, and the inboard block of mount is fixed with vacuum induction smelting stove, vacuum induction smelting stove's bottom fixedly connected with bleeder valve, and vacuum induction smelting stove's top fixedly connected with rabbling mechanism, spiral pipe fixed mounting is in vacuum induction smelting stove's inside, and vacuum induction smelting stove's tip fixedly connected with water-cooling circulation mechanism to water-cooling circulation mechanism is located vacuum induction smelting stove's outside, vacuum induction smelting stove's top fixedly connected with breather pipe, and the tip of breather pipe is established ties there is the solenoid valve, unable adjustment base's top fixedly connected with inert gas station, and inert gas station's outer wall fixedly mounted has the air pump, the left side of air pump link up with inert gas station's vent link up and link to each other with the one end of breather pipe, mounting bracket fixed mounting is at unable adjustment base's top, and mounting bracket's top fixedly mounted has the negative pressure air cavity to the left side outer wall fixedly connected with response control mechanism, and the outer wall fixedly connected with of negative pressure response control mechanism and vacuum induction smelting stove.
Further, rabbling mechanism is including fixed cover, servo motor, puddler and stirring leaf, and fixed cover welding is at the top of vacuum induction melting furnace to fixed cover's inside fixed mounting has servo motor, and servo motor's output shaft passes through shaft coupling fixedly connected with puddler moreover, the outer wall fixedly connected with stirring leaf of puddler, and the stirring leaf uses the axis of puddler to set up in the left and right sides of puddler as symmetry axisymmetry.
Further, the end part of the spiral tube is connected with the inner wall of the vacuum induction melting furnace in a penetrating way, the spiral tube is positioned at the right center position inside the vacuum induction melting furnace, and the vacuum induction melting furnace and the spiral tube form an integrated structure.
Further, the water cooling circulation mechanism comprises a water storage tank, a first through pipe and refrigerating equipment, the water outlet of the water storage tank is fixedly connected with the first through pipe, one end of the first through pipe is fixedly connected with one end of the spiral pipe through a flange, and the water inlet of the water storage tank is fixedly connected with the refrigerating equipment.
Further, the water cooling circulation mechanism further comprises a second through pipe, a water pump and a third through pipe, one end of the second through pipe is fixedly connected with the refrigerating equipment, the other end of the second through pipe is fixedly connected with the water pump, one side of the water pump is fixedly connected with the third through pipe, and meanwhile one end of the third through pipe is fixedly connected with the other end of the spiral pipe through a flange.
Further, the induction control mechanism comprises a U-shaped pipe, a first connecting pipe and a second connecting pipe, one end of the U-shaped pipe is fixedly connected with the first connecting pipe, one end of the first connecting pipe is communicated with the outer wall of the vacuum induction melting furnace, the other end of the U-shaped pipe is fixedly connected with the second connecting pipe, and meanwhile one end of the second connecting pipe is communicated with the outer wall of the negative pressure air cavity.
Further, the induction control mechanism further comprises a balancing liquid, a first floating ball, a low-pressure induction component, a second floating ball and an overpressure induction component, wherein the balancing liquid is arranged in the U-shaped pipe, the first floating ball is arranged in the U-shaped pipe, the low-pressure induction component is fixedly connected to the inner wall of the U-shaped pipe, the low-pressure induction component is located right above the first floating ball, the second floating ball is arranged in the U-shaped pipe, the overpressure induction component is fixedly connected to the inner wall of the U-shaped pipe, and the overpressure induction component is located right above the second floating ball.
Further, the low-voltage induction component comprises a first base, a first through groove and a first arc induction piece, the outer wall of the first base is fixedly connected with and attached to the inner wall of the U-shaped pipe, the first through groove is formed in the top of the first base, and the first arc induction piece is fixedly arranged on the inner surface of the first base.
Further, the overvoltage sensing assembly comprises a second base, a second through groove and a second arc-shaped sensing piece, the outer wall of the second base is fixedly connected with and attached to the inner wall of the U-shaped pipe, the second through groove is formed in the top of the second base, and the second arc-shaped sensing piece is fixedly mounted on the inner surface of the second base.
Further, the using method comprises the following specific steps:
step one, starting a water pump, wherein the water pump is used for providing power for water cooling circulation, so that cold water in a water storage tank can enter a spiral pipe along a first through pipe, when the cold water passes through the spiral pipe, heat of metal melt in a vacuum induction smelting furnace is carried away, then the cold water enters refrigeration equipment along a third through pipe and a second through pipe, and the water carrying the heat is cooled and recovered into cold water through the refrigeration equipment and is returned into the water storage tank;
step two, starting a servo motor, driving a stirring rod and stirring blades to rotate through the servo motor, and stirring molten metal in the vacuum induction smelting furnace, so that the molten metal can be more uniformly contacted with the outer surface of the spiral pipe to promote cooling;
step three, when the temperature changes due to heating or cooling and other operations in the vacuum induction smelting furnace, the internal air pressure also changes, if the air pressure in the vacuum induction smelting furnace is greater than the negative pressure air cavity, the balance liquid in the U-shaped pipe flows to one end connected with the second connecting pipe under the action of the air pressure difference and drives the second floating ball to float upwards to touch the overpressure sensing assembly, after the overpressure sensing assembly senses touch, the electromagnetic valve is controlled to be started by sending an electric signal, and the air pump is started to pump inert gas in the vacuum induction smelting furnace into the inert gas station so as to reduce the air pressure in the vacuum induction smelting furnace;
and step four, if the air pressure in the vacuum induction melting furnace is smaller than the negative pressure air cavity, the balance liquid in the U-shaped pipe flows towards one end connected with the first connecting pipe under the action of the air pressure difference and drives the first floating ball to float upwards to touch the low-pressure induction component, after the low-pressure induction component senses touch, the electromagnetic valve is controlled to be started by sending an electric signal, and the air pump is started to pump inert gas in the inert gas station into the vacuum induction melting furnace so as to increase the air pressure in the vacuum induction melting furnace.
The invention provides a vacuum induction smelting device with uniform cooling and a use method thereof, which have the following beneficial effects:
1. the invention is provided with a water cooling circulation mechanism, the water cooling circulation mechanism consists of a water storage tank, a first through pipe, refrigeration equipment, a second through pipe, a water pump and a third through pipe, the water pump is started to provide power for water cooling circulation, cold water in the water storage tank can enter a spiral pipe along the first through pipe and pass through the spiral pipe, heat of metal melt is brought out, then hot water enters the refrigeration equipment along the third through pipe and the second through pipe, the refrigeration equipment is cooled and restored into cold water, the cold water is returned into the water storage tank, and the stirring mechanism is provided with a fixed cover, a servo motor, a stirring rod and stirring blades, the servo motor is started, the stirring rod and the stirring blades are driven to rotate by the servo motor, the metal melt in the vacuum induction smelting furnace is stirred by the rotating stirring blades, the metal melt can be more uniformly contacted with the outer surface of the spiral pipe, the improved vacuum induction smelting device can rapidly and uniformly take away the heat of the metal melt through the matching use of the stirring mechanism and the water circulating in the spiral pipe, the purpose of rapidly cooling the cooling down efficiency is improved, the cooling effect of the metal melt is improved, the metal melt is also improved, and the metal cooling effect is promoted.
2. The invention is provided with an induction control mechanism, the induction control mechanism consists of a U-shaped pipe, a first connecting pipe, a second connecting pipe, balance liquid, a first floating ball, a low-pressure induction component, a second floating ball and an overpressure induction component, the balance liquid in the U-shaped pipe can flow to one end of low air pressure under the action of air pressure difference, thereby driving the first floating ball or the second floating ball to float upwards, further touching the low-pressure induction component or the overpressure induction component, and sending an electric signal through the arc-shaped induction piece I and the arc-shaped induction piece II to control the electromagnetic valve to start the air pump, and the air pump is matched with an inert gas station, so that the air pressure regulation and control of a vacuum induction smelting furnace can be realized.
3. The invention is provided with the inert gas station, and the inert gas stored in the inert gas station can be freely controlled to enter and exit the vacuum induction smelting furnace through the cooperation of the electromagnetic valve and the air pump, so that the vacuum induction smelting furnace is always in a vacuum state, the air pressure in the vacuum induction smelting furnace is balanced, the improved vacuum induction smelting device has a simple structure, is convenient to operate, is convenient to overhaul and maintain, can maintain the vacuum environment in the device at the lowest cost, is convenient to supplement the inert gas in time, and brings convenience to the vacuum induction smelting of metal.
Drawings
FIG. 1 is a schematic diagram of a front view of a vacuum induction melting apparatus with uniform cooling according to the present invention;
FIG. 2 is a schematic diagram of a vacuum induction melting furnace in a vacuum induction melting device with uniform cooling in a cross-sectional structure;
FIG. 3 is a schematic diagram showing a top view structure of a vacuum induction melting furnace-water cooling circulation mechanism of a vacuum induction melting device with uniform cooling;
FIG. 4 is a schematic diagram of a U-shaped pipe cross-sectional structure of a vacuum induction melting device with uniform cooling;
FIG. 5 is an enlarged schematic view of the structure A in FIG. 4 of a vacuum induction melting apparatus with uniform cooling according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of the vacuum induction melting apparatus of FIG. 4 at B with uniform cooling according to the present invention.
In the figure: 1. a fixed base; 2. a fixing frame; 3. a vacuum induction melting furnace; 4. a discharge valve; 5. a stirring mechanism; 51. a fixed cover; 52. a servo motor; 53. a stirring rod; 54. stirring the leaves; 6. a spiral tube; 7. a water-cooling circulation mechanism; 71. a water storage tank; 72. a first through pipe; 73. a refrigeration device; 74. a second through pipe; 75. a water pump; 76. a third pipe; 8. a vent pipe; 9. an electromagnetic valve; 10. an inert gas station; 11. an air pump; 12. a mounting frame; 13. a negative pressure air cavity; 14. an induction control mechanism; 141. a U-shaped tube; 142. a first connecting pipe; 143. a second connecting pipe; 144. balancing liquid; 145. a first floating ball; 146. a low voltage sensing assembly; 1461. a first base; 1462. a first through groove; 1463. arc induction piece I; 147. a second floating ball; 148. an overpressure sensing assembly; 1481. a second base; 1482. a second through groove; 1483. arc induction piece two.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, 2 and 3, a vacuum induction smelting device with uniform cooling comprises a fixed base 1, a spiral tube 6 and a mounting frame 12, wherein the top of the fixed base 1 is fixedly connected with a fixed frame 2, the inner side of the fixed frame 2 is clamped and fixed with a vacuum induction smelting furnace 3, the bottom of the vacuum induction smelting furnace 3 is fixedly connected with a discharge valve 4, the top of the vacuum induction smelting furnace 3 is fixedly connected with a stirring mechanism 5, the stirring mechanism 5 comprises a fixed cover 51, a servo motor 52, a stirring rod 53 and stirring blades 54, the fixed cover 51 is welded at the top of the vacuum induction smelting furnace 3, the servo motor 52 is fixedly arranged in the fixed cover 51, an output shaft of the servo motor 52 is fixedly connected with the stirring rod 53 through a coupler, the outer wall of the stirring rod 53 is fixedly connected with stirring blades 54, the stirring blades 54 are symmetrically arranged at the left and right sides of the stirring rod 53 by taking the central axis of the stirring rod 53 as a symmetrical axis, spiral tube 6 fixed mounting is in the inside of vacuum induction smelting furnace 3, the tip of spiral tube 6 runs through with the inner wall of vacuum induction smelting furnace 3 and links to each other, and spiral tube 6 is located the inside positive central position of vacuum induction smelting furnace 3, and vacuum induction smelting furnace 3 and spiral tube 6 constitute integrated structure, and the tip fixedly connected with water-cooling circulation mechanism 7 of vacuum induction smelting furnace 3, and water-cooling circulation mechanism 7 is located the outside of vacuum induction smelting furnace 3, water-cooling circulation mechanism 7 is including storage tank 71, first siphunculus 72 and refrigeration plant 73, and the delivery port fixedly connected with first siphunculus 72 of storage tank 71, and the one end of first siphunculus 72 passes through flange and the one end fixed connection of spiral tube 6, moreover the water inlet fixedly connected with refrigeration plant 73 of storage tank 71, water-cooling circulation mechanism 7 is still including second siphunculus 74, the water pump 75 and the third through pipe 76, one end of the second through pipe 74 is fixedly connected with the refrigerating equipment 73, the other end of the second through pipe 74 is fixedly connected with the water pump 75, one side of the water pump 75 is fixedly connected with the third through pipe 76, and one end of the third through pipe 76 is fixedly connected with the other end of the spiral pipe 6 through a flange;
the water pump 75 is started, the water pump 75 is used for providing power for water cooling circulation, cold water in the water storage tank 71 can enter the spiral pipe 6 along the first through pipe 72, and because the spiral pipe 6 is arranged in the vacuum induction smelting furnace 3, when the cold water passes through the spiral pipe 6, heat of metal melt in the vacuum induction smelting furnace 3 can be brought out, then water carrying the heat enters the refrigeration equipment 73 along the third through pipe 76 and the second through pipe 74, the hot water is cooled through the refrigeration equipment 73, the hot water is restored into cold water again, the cold water is returned into the water storage tank 71, the water cooling circulation is completed, in addition, in the cooling process, the cooling is promoted through the stirring mechanism 5, the servo motor 52 is started, the stirring rod 53 and the stirring blade 54 are driven to rotate through the servo motor 52, the metal melt in the vacuum induction smelting furnace 3 is stirred through the rotating stirring blade 54, the metal melt can be more uniformly contacted with the outer surface of the spiral pipe 6, and the cooling effect is improved.
As shown in fig. 1, 4, 5 and 6, the top of the vacuum induction melting furnace 3 is fixedly connected with a vent pipe 8, and the end part of the vent pipe 8 is connected in series with a solenoid valve 9, the top of the fixed base 1 is fixedly connected with an inert gas station 10, the outer wall of the inert gas station 10 is fixedly provided with an air pump 11, the left side of the air pump 11 is communicated with a vent hole of the inert gas station 10, the right side of the air pump 11 is communicated with one end of the vent pipe 8, the mounting frame 12 is fixedly provided at the top of the fixed base 1, the top of the mounting frame 12 is fixedly provided with a negative pressure air cavity 13, the left side outer wall of the negative pressure air cavity 13 is fixedly connected with an induction control mechanism 14, the end part of the induction control mechanism 14 is fixedly connected with the outer wall of the vacuum induction melting furnace 3, the induction control mechanism 14 comprises a U-shaped pipe 141, a first connecting pipe 142 and a second connecting pipe 143, one end of the U-shaped pipe 141 is fixedly connected with a first connecting pipe 142, and one end of the first connecting pipe 142 is communicated with the outer wall of the vacuum induction melting furnace 3, the other end of the U-shaped pipe 141 is fixedly connected with the second connecting pipe 143, meanwhile, one end of the second connecting pipe 143 is communicated with the outer wall of the negative pressure air cavity 13, the induction control mechanism 14 further comprises a balance liquid 144, a first floating ball 145, a low pressure induction component 146, a second floating ball 147 and an overpressure induction component 148, the balance liquid 144 is arranged in the U-shaped pipe 141, the first floating ball 145 is arranged in the U-shaped pipe 141, the low pressure induction component 146 is fixedly connected with the inner wall of the U-shaped pipe 141, the low pressure induction component 146 is positioned right above the first floating ball 145, the second floating ball 147 is arranged in the U-shaped pipe 141, the overpressure induction component 148 is fixedly connected with the inner wall of the U-shaped pipe 141, and the overpressure induction component 148 is positioned right above the second floating ball 147, the low-voltage sensing assembly 146 comprises a first base 1461, a first through slot 1462 and a first arc-shaped sensing piece 1463, wherein the outer wall of the first base 1461 is fixedly connected and attached to the inner wall of the U-shaped pipe 141, the first through slot 1462 is formed in the top of the first base 1461, the first arc-shaped sensing piece 1463 is fixedly arranged on the inner surface of the first base 1461, the overvoltage sensing assembly 148 comprises a second base 1481, a second through slot 1482 and a second arc-shaped sensing piece 1483, the outer wall of the second base 1481 is fixedly connected and attached to the inner wall of the U-shaped pipe 141, the second through slot 1482 is formed in the top of the second base 1481, and the second arc-shaped sensing piece 1483 is fixedly arranged on the inner surface of the second base 1481;
the specific operation is as follows, the air pressure in the negative pressure air cavity 13 is set to be consistent with the air pressure in the vacuum induction smelting furnace 3, if the temperature in the vacuum induction smelting furnace 3 changes, the air pressure in the vacuum induction smelting furnace 3 changes, and because one end of the U-shaped pipe 141 is communicated with the vacuum induction smelting furnace 3 through the first connecting pipe 142, the other end of the U-shaped pipe 141 is identical with the negative pressure air cavity 13 through the second connecting pipe 143, after the air pressure in the vacuum induction smelting furnace 3 changes, the air pressure in the vacuum induction smelting furnace 3 and the air pressure in the negative pressure air cavity 13 are different, if the air pressure in the vacuum induction smelting furnace 3 is greater than the air pressure in the negative pressure air cavity 13, the balance liquid 144 in the U-shaped pipe 141 flows to one end connected with the second connecting pipe 143 under the action of the air pressure difference, and drives the second floating ball 147 to float upwards to touch the overpressure sensing component 148, after the overpressure sensing component 148 senses touch, the electromagnetic valve 9 is controlled to be opened by sending an electric signal, the air pump 11 is started to pump inert gas in the vacuum induction melting furnace 3 into the inert gas station 10 so as to reduce the air pressure in the vacuum induction melting furnace 3, otherwise, if the air pressure in the vacuum induction melting furnace 3 is smaller than the negative pressure air cavity 13, the balance liquid 144 in the U-shaped pipe 141 flows towards one end connected with the first connecting pipe 142 under the action of the air pressure difference and drives the first floating ball 145 to float upwards to touch the low pressure sensing component 146, after the low pressure sensing component 146 senses touch, the electromagnetic valve 9 is controlled to be opened by sending the electric signal, and the air pump 11 is started to pump the inert gas in the inert gas station 10 into the vacuum induction melting furnace 3 so as to increase the air pressure in the vacuum induction melting furnace 3.
In summary, as shown in fig. 1 to 6, the method for using the vacuum induction melting device with uniform cooling is as follows: firstly, a water pump 75 is started, power is provided for water cooling circulation through the water pump 75, cold water in a water storage tank 71 can enter a spiral pipe 6 along a first through pipe 72, when the cold water passes through the spiral pipe 6, heat of metal melt in a vacuum induction smelting furnace 3 is carried away, the cold water enters a refrigerating device 73 along a third through pipe 76 and a second through pipe 74, the water carrying the heat is cooled and recovered into cold water through the refrigerating device 73, and the cold water is sent back into the water storage tank 71, meanwhile, a servo motor 52 is started, a stirring rod 53 and a stirring blade 54 are driven to rotate through the servo motor 52, the metal melt in the vacuum induction smelting furnace 3 is stirred, the metal melt can be more uniformly contacted with the outer surface of the spiral pipe 6 to promote cooling, in addition, the internal air pressure of a negative pressure air cavity 13 is consistent with the internal air pressure of the vacuum induction smelting furnace 3, when the temperature in the vacuum induction melting furnace 3 changes due to heating or cooling and other operations, the internal air pressure also changes, if the air pressure in the vacuum induction melting furnace 3 is greater than the negative pressure air cavity 13, the balance liquid 144 in the U-shaped pipe 141 flows to one end connected with the second connecting pipe 143 under the action of the air pressure difference and drives the second floating ball 147 to float upwards to touch the overpressure sensing component 148, after the overpressure sensing component 148 senses touch, the electromagnetic valve 9 is controlled to be started by sending an electric signal, the air pump 11 is started to pump inert gas in the vacuum induction melting furnace 3 into the inert gas station 10 so as to reduce the air pressure in the vacuum induction melting furnace 3, otherwise, if the air pressure in the vacuum induction melting furnace 3 is smaller than the negative pressure air cavity 13, the balance liquid 144 in the U-shaped pipe 141 flows to one end connected with the first connecting pipe 142 under the action of the air pressure difference and drives the first floating ball 145 to float upwards to touch the low pressure sensing component 146, after the low-pressure sensing component 146 senses touch, an electric signal is sent to control the electromagnetic valve 9 to be opened, and the air pump 11 is started to pump the inert gas in the inert gas station 10 into the vacuum induction melting furnace 3 so as to increase the air pressure in the vacuum induction melting furnace 3.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a vacuum induction smelting device of even cooling, includes unable adjustment base (1), spiral pipe (6) and mounting bracket (12), its characterized in that, the top fixedly connected with mount (2) of unable adjustment base (1), and the inboard block of mount (2) is fixed with vacuum induction smelting stove (3), the bottom fixedly connected with bleeder valve (4) of vacuum induction smelting stove (3), and the top fixedly connected with rabbling mechanism (5) of vacuum induction smelting stove (3), spiral pipe (6) fixed mounting is in the inside of vacuum induction smelting stove (3), and the tip fixedly connected with water-cooling circulation mechanism (7) of vacuum induction smelting stove (3) to water-cooling circulation mechanism (7) are located the outside of vacuum induction smelting stove (3), the top fixedly connected with breather pipe (8) of vacuum induction smelting stove (3), and the tip series connection of breather pipe (8) has solenoid valve (9), the top fixedly connected with inert gas station (10) of unable adjustment base (1), and the outer wall fixedly mounted of inert gas station (10) has air pump (11), the left side and the inert gas station (10) link to each other with one end of breather pipe (11) that link to each other with air pump (8), the installation frame (12) is fixedly installed at the top of the fixed base (1), the negative pressure air cavity (13) is fixedly installed at the top of the installation frame (12), the induction control mechanism (14) is fixedly connected to the left outer wall of the negative pressure air cavity (13), and the end part of the induction control mechanism (14) is fixedly connected with the outer wall of the vacuum induction smelting furnace (3).
2. The vacuum induction melting device with uniform cooling according to claim 1, wherein the stirring mechanism (5) comprises a fixed cover (51), a servo motor (52), a stirring rod (53) and stirring blades (54), the fixed cover (51) is welded at the top of the vacuum induction melting furnace (3), the servo motor (52) is fixedly arranged in the fixed cover (51), an output shaft of the servo motor (52) is fixedly connected with the stirring rod (53) through a coupling, the stirring blades (54) are fixedly connected with the outer wall of the stirring rod (53), and the stirring blades (54) are symmetrically arranged at the left side and the right side of the stirring rod (53) by taking the central axis of the stirring rod (53) as symmetrical axis.
3. The vacuum induction melting device with uniform cooling according to claim 1, wherein the end part of the spiral tube (6) is connected with the inner wall of the vacuum induction melting furnace (3) in a penetrating way, the spiral tube (6) is positioned at the right center position inside the vacuum induction melting furnace (3), and the vacuum induction melting furnace (3) and the spiral tube (6) form an integrated structure.
4. The vacuum induction melting device with uniform cooling according to claim 1, wherein the water cooling circulation mechanism (7) comprises a water storage tank (71), a first through pipe (72) and a refrigerating device (73), wherein a water outlet of the water storage tank (71) is fixedly connected with the first through pipe (72), one end of the first through pipe (72) is fixedly connected with one end of the spiral pipe (6) through a flange, and a water inlet of the water storage tank (71) is fixedly connected with the refrigerating device (73).
5. The vacuum induction melting device with uniform cooling according to claim 4, wherein the water cooling circulation mechanism (7) further comprises a second through pipe (74), a water pump (75) and a third through pipe (76), one end of the second through pipe (74) is fixedly connected with the refrigerating equipment (73), the other end of the second through pipe (74) is fixedly connected with the water pump (75), one side of the water pump (75) is fixedly connected with the third through pipe (76), and one end of the third through pipe (76) is fixedly connected with the other end of the spiral pipe (6) through a flange.
6. The vacuum induction melting device with uniform cooling according to claim 1, wherein the induction control mechanism (14) comprises a U-shaped pipe (141), a first connecting pipe (142) and a second connecting pipe (143), one end of the U-shaped pipe (141) is fixedly connected with the first connecting pipe (142), one end of the first connecting pipe (142) is communicated with the outer wall of the vacuum induction melting furnace (3), the other end of the U-shaped pipe (141) is fixedly connected with the second connecting pipe (143), and one end of the second connecting pipe (143) is communicated with the outer wall of the negative pressure air cavity (13).
7. The vacuum induction melting device with uniform cooling according to claim 6, wherein the induction control mechanism (14) further comprises a balancing liquid (144), a first floating ball (145), a low-pressure induction component (146), a second floating ball (147) and an overpressure induction component (148), wherein the balancing liquid (144) is arranged in the U-shaped pipe (141), the first floating ball (145) is arranged in the U-shaped pipe (141), the low-pressure induction component (146) is fixedly connected to the inner wall of the U-shaped pipe (141), the low-pressure induction component (146) is located right above the first floating ball (145), the second floating ball (147) is arranged in the U-shaped pipe (141), the overpressure induction component (148) is fixedly connected to the inner wall of the U-shaped pipe (141), and the overpressure induction component (148) is located right above the second floating ball (147).
8. The uniform cooling vacuum induction melting apparatus as set forth in claim 7 wherein the low pressure induction assembly (146) comprises a first base (1461), a first through slot (1462) and a first arc-shaped induction piece (1463), wherein the outer wall of the first base (1461) is fixedly connected and attached to the inner wall of the U-shaped tube (141), the first through slot (1462) is formed in the top of the first base (1461), and the first arc-shaped induction piece (1463) is fixedly mounted on the inner surface of the first base (1461).
9. The uniform cooling vacuum induction melting apparatus of claim 7 wherein the overpressure sensing assembly (148) comprises a second base (1481), a second through slot (1482) and a second arc-shaped sensing piece (1483), wherein the outer wall of the second base (1481) is fixedly connected and attached to the inner wall of the U-shaped tube (141), the second through slot (1482) is formed in the top of the second base (1481), and the second arc-shaped sensing piece (1483) is fixedly mounted on the inner surface of the second base (1481).
10. The method for using the vacuum induction melting device with uniform cooling according to any one of claims 1 to 9, wherein the method for using the vacuum induction melting device comprises the following specific steps:
step one, starting a water pump (75), providing power for water cooling circulation through the water pump (75), enabling cold water in a water storage tank (71) to enter a spiral pipe (6) along a first through pipe (72), carrying away heat of metal melt in a vacuum induction smelting furnace (3) when the cold water passes through the spiral pipe (6), enabling the cold water to enter a refrigerating device (73) along a third through pipe (76) and a second through pipe (74), cooling the water carrying the heat to be recovered into cold water through the refrigerating device (73), and sending the cold water back into the water storage tank (71);
step two, starting a servo motor (52), driving a stirring rod (53) and stirring blades (54) to rotate through the servo motor (52), and stirring molten metal in the vacuum induction melting furnace (3) so that the molten metal can be more uniformly contacted with the outer surface of the spiral tube (6) to promote cooling;
step three, when the temperature changes due to heating or cooling and other operations in the vacuum induction smelting furnace (3), the internal air pressure also changes, if the air pressure in the vacuum induction smelting furnace (3) is larger than that in the negative pressure air cavity (13), the balance liquid (144) in the U-shaped pipe (141) flows towards one end connected with the second connecting pipe (143) under the action of air pressure difference and drives the second floating ball (147) to float upwards to touch the overpressure sensing component (148), after the overpressure sensing component (148) senses touch, an electric signal is sent to control and start the electromagnetic valve (9), and the air pump (11) is started to pump inert gas in the vacuum induction smelting furnace (3) into the inert gas station (10) so as to reduce the air pressure in the vacuum induction smelting furnace (3);
and fourthly, if the air pressure in the vacuum induction melting furnace (3) is smaller than the negative pressure air cavity (13), the balance liquid (144) in the U-shaped pipe (141) flows towards one end connected with the first connecting pipe (142) under the action of the air pressure difference and drives the first floating ball (145) to float upwards to touch the low-pressure sensing assembly (146), after the low-pressure sensing assembly (146) senses the touch, the electromagnetic valve (9) is controlled to be started by sending an electric signal, and the air pump (11) is started to pump the inert gas in the inert gas station (10) into the vacuum induction melting furnace (3) so as to increase the air pressure in the vacuum induction melting furnace (3).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117553918A (en) * | 2024-01-12 | 2024-02-13 | 国工恒昌新材料(义乌)有限公司 | Copper alloy temperature measurement equipment with protection mechanism and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117553918A (en) * | 2024-01-12 | 2024-02-13 | 国工恒昌新材料(义乌)有限公司 | Copper alloy temperature measurement equipment with protection mechanism and method |
| CN117553918B (en) * | 2024-01-12 | 2024-03-29 | 国工恒昌新材料(义乌)有限公司 | Copper alloy temperature measurement equipment with protection mechanism and method |
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