CN219913950U - Heating device for be used for molten tin ingot - Google Patents
Heating device for be used for molten tin ingot Download PDFInfo
- Publication number
- CN219913950U CN219913950U CN202321230298.6U CN202321230298U CN219913950U CN 219913950 U CN219913950 U CN 219913950U CN 202321230298 U CN202321230298 U CN 202321230298U CN 219913950 U CN219913950 U CN 219913950U
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- Prior art keywords
- crucible
- tin
- stirring shaft
- molten tin
- furnace body
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 238000010438 heat treatment Methods 0.000 title claims abstract description 39
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052786 argon Inorganic materials 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 67
- 229920000742 Cotton Polymers 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 8
- 239000011449 brick Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- -1 furnace body (1) Chemical compound 0.000 claims 1
- 230000008676 import Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 abstract description 15
- 230000008018 melting Effects 0.000 abstract description 15
- 230000003647 oxidation Effects 0.000 abstract description 7
- 238000007254 oxidation reaction Methods 0.000 abstract description 7
- 238000010309 melting process Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 13
- 238000002156 mixing Methods 0.000 description 12
- 238000004321 preservation Methods 0.000 description 6
- 230000006698 induction Effects 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910001361 White metal Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 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
- 239000002994 raw material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000010969 white metal Substances 0.000 description 1
Abstract
The utility model discloses a heating device for melting a tin ingot, and relates to the field of tin ingot melting. The utility model provides a heating device for be used for melting tin ingot, includes the furnace body, install the crucible in the furnace body, the crucible is used for placing the tin ingot, the crucible bottom is provided with heating structure, the furnace body top is provided with the oven, the oven is connected with the bell, the bell is connected with rabbling mechanism, the bell intercommunication has the intake pipe, the intake pipe to the input argon gas in the crucible, the bell intercommunication has the blast pipe. The utility model has the effect of reducing the oxidation of the tin ingot in the melting process.
Description
Technical Field
The utility model relates to the field of tin ingot melting, in particular to a heating device for molten tin ingot.
Background
Tin is a silvery white metal, soft, low melting point, and good ductility, and is often used as a coating material. Tin ingots are a product form of tin and are basic raw materials for deep processing of all tin. Tin extracted from ores is often formed into tin ingots for convenient transportation, and the tin is processed to obtain other practical products, and the tin ingots are first melted. The tin melting furnace is a device for melting and heating tin ingots, and is an important device for producing and processing tin products.
The existing tin melting furnace generally comprises a furnace body, wherein the furnace body is provided with a crucible, a heating element for heating the crucible is arranged in the furnace body, a furnace wall is arranged on the furnace body, and a window is formed in the side wall of the furnace wall. Tin ingots can be placed into the crucible through the window, and the heating piece heats the tin ingots in the crucible, so that the tin ingots are melted into tin liquid.
The existing tin melting furnace is set to be in an open smelting state, and the pot mouth of the crucible is open, so that tin can contact air in the process of heating a tin ingot, and the high Wen Xiaxi reacts with oxygen to generate an oxide layer, so that the purity of the tin is affected.
Disclosure of Invention
In order to reduce oxidation of a tin ingot during melting, the utility model provides a heating device for melting the tin ingot.
The utility model provides a heating device for molten tin ingots, which adopts the following technical scheme:
the utility model provides a heating device for be used for melting tin ingot, includes the furnace body, install the crucible in the furnace body, the crucible is used for placing the tin ingot, the crucible bottom is provided with heating structure, the furnace body top is provided with the oven, the oven is connected with the bell, the bell is connected with rabbling mechanism, the bell intercommunication has the intake pipe, the intake pipe to the input argon gas in the crucible, the bell intercommunication has the blast pipe.
Through adopting above-mentioned technical scheme, in the crucible was put into to the tin ingot, heating mechanism was given the crucible with heat transfer, heated the tin ingot, and rabbling mechanism stirs the tin ingot, through intake pipe output argon gas, argon gas was discharged from the blast pipe with the air in oven and the crucible as inert gas, isolated tin and oxygen's contact, reduced the oxidation of tin in the heating melting process.
Optionally, the mouth of putting is got in the oven outside has been seted up, the oven articulates has the lid to get the side door of putting the mouth, the side door is provided with the handle, the side door orientation one side of oven is provided with sealed pad.
Through adopting above-mentioned technical scheme, open the side door through the handle, conveniently put into the crucible through getting to put the mouth with tin ingot, perhaps take out tin liquid from the crucible, close the side door, strengthen the leakproofness of side door and oven through sealed pad, reduce the air and get into the oven inside.
Optionally, the heating mechanism includes set up in the thermal-insulated cotton of crucible lower extreme, thermal-insulated cotton is around having inductance coil outward, inductance coil circular telegram produces the magnetic field and gives the crucible heating.
Through adopting above-mentioned technical scheme, heat the crucible through the inductance coil, heating rate is fast, and heat transfer efficiency is high.
Optionally, the rabbling mechanism including set up in the cylinder of bell, the output of cylinder is connected with the fly leaf, the fly leaf wears to be equipped with the (mixing) shaft, the fly leaf with the (mixing) shaft passes through the bearing and is connected, the lower extreme of (mixing) shaft is in depth in the crucible, the lower extreme of (mixing) shaft is connected with stirring vane, the fly leaf is connected with the drive (mixing) shaft pivoted motor.
Through adopting above-mentioned technical scheme, (mixing) shaft and stirring vane stir the tin ingot, and the cylinder stretches out and draws back and drive the fly leaf and go up and down, and the (mixing) shaft goes up and down in step, when not needing to stir, and the output of cylinder stretches out and drives the (mixing) shaft and rise, and the lower extreme of (mixing) shaft and stirring vane leave the molten tin in the crucible, reduce (mixing) shaft or stirring vane and molten tin long-time high temperature contact and lead to the phenomenon of metal melting in the molten tin.
Optionally, the output of motor is connected with the action wheel, the upper end of (mixing) shaft is connected with from the driving wheel, from the driving wheel with the action wheel is jointly around being equipped with the belt.
Through adopting above-mentioned technical scheme, motor drive driving shaft rotates, drives the synchronous rotation of (mixing) shaft through the transmission of belt and follow driving wheel, realizes the stirring to the tin ingot.
Optionally, a sealing ring is arranged at the joint of the stirring shaft and the outer side of the furnace cover.
By adopting the technical scheme, the sealing ring enhances the connection tightness of the stirring shaft and the furnace cover, thereby reducing the air entering.
Optionally, a plurality of insulating bricks are filled at the bottom of the furnace body, and insulating cotton is filled at the side wall of the furnace body.
Through adopting above-mentioned technical scheme, insulating brick and heat preservation cotton make the furnace body present the heat preservation state, reduce the heat loss of furnace body, are favorable to the heat preservation of molten tin liquid.
Optionally, the one end that the intake pipe was kept away from the bell is connected with the argon gas holding vessel, be provided with the manometer in the intake pipe.
By adopting the technical scheme, the argon gas storage tank provides an argon gas source, and the pressure gauge is convenient for controlling the content of argon gas in the furnace wall.
In summary, the utility model has the following beneficial effects:
1. the tin ingot is placed in the crucible, the heating mechanism transfers heat to the crucible to heat the tin ingot, the stirring mechanism stirs the tin ingot, argon is output through the air inlet pipe, the argon is used as inert gas to discharge air in the furnace wall and the crucible from the exhaust pipe, contact between tin and oxygen is isolated, and oxidation of the tin in the heating and melting process is reduced.
2. Stirring shaft and stirring vane stir the tin ingot, and the cylinder stretches out and draws back and drives the fly leaf and go up and down, and the synchronizing lift of stirring shaft, when not needing to stir, the output of cylinder stretches out and drives the stirring shaft and rise, and the lower extreme of stirring shaft and stirring vane leave the molten tin in the crucible, reduce stirring shaft or stirring vane and molten tin long-time high temperature contact and lead to the phenomenon of metal melting in the molten tin.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment of the present utility model;
fig. 2 is a schematic cross-sectional structure of an embodiment of the present utility model.
Reference numerals illustrate: 1. a furnace body; 11. a crucible; 12. thermal insulation cotton; 13. an inductance coil; 2. a furnace wall; 21. a side door; 22. a handle; 3. a furnace cover; 31. an air inlet pipe; 32. a pressure gauge; 33. an air outlet pipe; 4. a cylinder; 41. a movable plate; 42. a bearing; 43. a stirring shaft; 44. stirring blades; 5. a motor; 51. a driving wheel; 52. a belt; 53. driven wheel; 6. a seal ring; 7. a heat preservation brick; 71. and (5) heat preservation cotton.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-2.
The embodiment of the utility model discloses a heating device for molten tin ingots. Referring to fig. 1, a heating apparatus for melting tin ingots comprises a furnace body 1, wherein a crucible 11 is arranged in the furnace body 1, the crucible 11 is used for placing the tin ingots, a furnace wall 2 is connected above the furnace body 1, and a furnace cover 3 is connected above the furnace wall 2.
Referring to fig. 1 and 2, a heating mechanism is arranged at the bottom of a furnace body 1 and is used for heating a crucible 11 to enable tin ingots to be melted, the heating mechanism comprises heat insulation cotton 12 arranged at the bottom of the crucible 11, an inductance coil 13 is wound outside the heat insulation cotton 12, and the inductance coil 13 generates a magnetic field to generate heat after being electrified so as to transfer the heat to the crucible 11 and heat the tin ingots in the crucible 11. The insulating cotton 12 separates the induction coil 13 from the crucible 11, the crucible 11 presents a high temperature state, the high temperature of the crucible 11 is not transferred to the induction coil 13 through the insulating cotton 12, the phenomenon that the induction coil 13 is fused due to overhigh temperature is reduced, and the service life of the induction coil 13 is prolonged.
The insulating brick 7 is laid at the bottom of the furnace body 1, the insulating cotton 71 is arranged on the side wall of the furnace body 1, the insulating brick 7 and the insulating cotton 71 play a role in heat preservation, and the heat loss of molten tin in the crucible 11 is reduced.
The furnace wall 2 is arranged at the periphery of the crucible 11, and the opening of the crucible 11 is closed by the furnace wall 2, so that the oxidation of tin by the outside air is reduced. The furnace wall 2 is provided with a taking and placing opening, a tin ingot is conveniently placed into the crucible 11 or molten tin liquid is conveniently taken out of the crucible 11 through the taking and placing opening, the outer side of the furnace wall 2 is hinged with a side door 21, and the side door 21 is used for covering the taking and placing opening, so that the sealing of the protecting wall is maintained. The side of the side door 21 facing the furnace wall 2 is provided with a sealing gasket, and the side door 21 can be sealed and the taking and placing opening can be sealed through the sealing gasket, so that air entering is reduced. A handle 22 is provided on the side door 21 to facilitate opening or closing of the side door 21.
The furnace cover 3 is provided with a round furnace cover 3, and the furnace cover 3 is used for covering the furnace wall 2. The furnace cover 3 is connected with a stirring mechanism, the stirring mechanism comprises air cylinders 4 connected to the furnace cover 3, the number of the air cylinders 4 is two, the output ends of the two air cylinders 4 are connected with a movable plate 41 together, and accordingly the output ends of the two air cylinders 4 stretch out and draw back synchronously to drive the movable plate 41 to lift. The movable plate 41 is penetrated with a stirring shaft 43, and the stirring shaft 43 is fixedly connected with the movable plate 41 through a bearing 42, so that the movable plate 41 can drive the stirring shaft 43 to move up and down. One end of the stirring shaft 43, which is far away from the movable plate 41, penetrates through the furnace cover 3 and goes deep into the crucible 11, and the lower end of the stirring shaft 43 is connected with a stirring blade 44, and the stirring blade 44 and the stirring shaft 43 are in contact with the tin ingot and stir the tin ingot in the crucible 11. The sealing ring 6 is arranged at the joint of the stirring shaft 43 and the outer side of the furnace cover 3, so that the tightness of the connection of the stirring shaft 43 and the furnace cover 3 is enhanced. The movable plate 41 is fixedly connected with a motor 5, the output end of the motor 5 is connected with a driving wheel 51, the upper end of the stirring shaft 43 is connected with a driven wheel 53, a belt 52 is connected between the driving wheel 51 and the driven wheel 53, and two ends of the belt 52 are respectively sleeved on the driving wheel 51 and the driven wheel 53.
The motor 5 rotates to drive the driving wheel 51 to operate, the stirring shaft 43 synchronously rotates through the transmission of the belt 52 and the driven belt wheel, and the stirring shaft 43 and the stirring blades 44 stir the tin ingots, so that the tin ingots are heated uniformly and are melted rapidly. When the tin ingot is melted into tin liquid, and stirring is not needed, the output ends of the two air cylinders 4 extend out to drive the movable plate 41 and the stirring shaft 43 to rise, the lower end of the stirring shaft 43 and the stirring blade 44 are separated from the tin liquid and are not contacted with the tin liquid, high-temperature heat of the tin liquid cannot be transferred to the stirring shaft 43 and the stirring blade 44, and the phenomenon that the metal is melted in the tin liquid due to long-time contact high-temperature of the stirring shaft 43 and the stirring blade 44, so that the purity of the tin liquid is influenced is reduced.
The furnace cover 3 is communicated with an air inlet pipe 31, the air inlet pipe 31 is communicated with an argon gas storage tank, a pressure gauge 32 is arranged on the air inlet pipe 31, one end, far away from the argon gas storage tank, of the air inlet pipe 31 penetrates through the furnace cover 3 to penetrate into the crucible 11, and the furnace cover 3 is communicated with an exhaust pipe. The argon storage tank provides argon, the argon enters the crucible 11 through the air inlet pipe 31 and discharges air in the crucible 11 through the exhaust pipe, and the argon is taken as inert gas and does not react with tin, so that oxidation of tin in the heating and melting process is reduced.
The embodiment of the utility model provides a heating device for molten tin ingots, which comprises the following implementation principles: pulling the handle 22 opens the side door 21, puts the tin ingot to be heated into the crucible 11 through the pick-and-place opening, closes the side door 21, energizes the induction coil 13 to heat the tin ingot, the stirring shaft 43 goes deep into the crucible 11, and the stirring blade 44 contacts the tin ingot. The motor 5 is started to drive the driving wheel 51 to rotate, the belt 52 and the driven wheel 53 are driven, the stirring shaft 43 rotates to stir tin ingots, argon in the argon storage tank is introduced into the crucible 11 through the air inlet pipe 31, air is discharged through the exhaust pipe, so that contact between the air and the tin ingots is isolated, oxidation of tin is reduced, after the tin ingots are melted into tin liquid, the output end of the air cylinder 4 stretches out, the movable plate 41 drives the stirring shaft 43 to ascend, the stirring shaft 43 and the stirring blades 44 are separated from the tin liquid, and stirring of the tin liquid is stopped.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (8)
1. Heating device for be used for molten tin ingot, including furnace body (1), its characterized in that: install crucible (11) in furnace body (1), crucible (11) are used for placing the tin ingot, crucible (11) bottom is provided with heating mechanism, furnace body (1) top is provided with oven (2), oven (2) are connected with bell (3), bell (3) are connected with rabbling mechanism, bell (3) intercommunication has intake pipe (31), intake pipe (31) to import argon gas in crucible (11), bell (3) intercommunication has the blast pipe.
2. A heating apparatus for molten tin ingots according to claim 1, wherein: the side door (21) is hinged with the side door (21) which covers the taking and placing opening, the side door (21) is provided with a handle (22), and a sealing gasket is arranged on one side of the side door (21) facing the side wall (2).
3. A heating apparatus for molten tin ingots according to claim 1, wherein: the heating mechanism comprises heat insulation cotton (12) arranged at the lower end of the crucible (11), an inductance coil (13) is wound outside the heat insulation cotton (12), and the inductance coil (13) is electrified to generate a magnetic field to heat the crucible (11).
4. A heating apparatus for molten tin ingots according to claim 1, wherein: the stirring mechanism comprises a cylinder (4) arranged on the furnace cover (3), a movable plate (41) is connected to the output end of the cylinder (4), a stirring shaft (43) is arranged on the movable plate (41) in a penetrating mode, the movable plate (41) is connected with the stirring shaft (43) through a bearing (42), the lower end of the stirring shaft (43) stretches into the crucible (11), stirring blades (44) are connected to the lower end of the stirring shaft (43), and a motor (5) for driving the stirring shaft (43) to rotate is connected to the movable plate (41).
5. A heating apparatus for molten tin ingots according to claim 4, wherein: the output end of the motor (5) is connected with a driving wheel (51), the upper end of the stirring shaft (43) is connected with a driven wheel (53), and the driven wheel (53) and the driving wheel (51) are wound with a belt (52) together.
6. A heating apparatus for molten tin ingots according to claim 4, wherein: and a sealing ring (6) is arranged at the joint of the stirring shaft (43) and the outer side of the furnace cover (3).
7. A heating apparatus for molten tin ingots according to claim 1, wherein: the bottom of the furnace body (1) is filled with a plurality of insulating bricks (7), and the side wall of the furnace body (1) is filled with insulating cotton (71).
8. A heating apparatus for molten tin ingots according to claim 1, wherein: one end of the air inlet pipe (31) far away from the furnace cover (3) is connected with an argon storage tank, and a pressure gauge (32) is arranged on the air inlet pipe (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321230298.6U CN219913950U (en) | 2023-05-20 | 2023-05-20 | Heating device for be used for molten tin ingot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321230298.6U CN219913950U (en) | 2023-05-20 | 2023-05-20 | Heating device for be used for molten tin ingot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219913950U true CN219913950U (en) | 2023-10-27 |
Family
ID=88421891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321230298.6U Active CN219913950U (en) | 2023-05-20 | 2023-05-20 | Heating device for be used for molten tin ingot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219913950U (en) |
-
2023
- 2023-05-20 CN CN202321230298.6U patent/CN219913950U/en active Active
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| GR01 | Patent grant |