CN109654877A - A kind of method of the smelting in suspension mechanism and its smelting metal of metal smelting-furnace - Google Patents
A kind of method of the smelting in suspension mechanism and its smelting metal of metal smelting-furnace Download PDFInfo
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- CN109654877A CN109654877A CN201910080551.6A CN201910080551A CN109654877A CN 109654877 A CN109654877 A CN 109654877A CN 201910080551 A CN201910080551 A CN 201910080551A CN 109654877 A CN109654877 A CN 109654877A
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- smelting
- mandril
- melt
- furnace
- furnace body
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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
- F27B14/08—Details peculiar to crucible or pot 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
- 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
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety 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
- 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
-
- 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
- F27D2009/0072—Cooling of charges therein the cooling medium being a gas
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Details (AREA)
Abstract
The present invention provides a kind of methods of the smelting in suspension mechanism and its smelting metal of metal smelting-furnace, belong to apparatus for melting metal technical field.It solves the problems, such as that the smelting temperature of melt cannot be accurately controlled in existing smelting in suspension mechanism.The smelting in suspension mechanism of this metal smelting-furnace, including furnace body and pedestal, melting for furnace body intracavitary is provided with control coil and heating coil, control coil is sheathed on outside heating coil and the rwo interval cooperates, the medium position sliding of the lower end surface of furnace body is equipped with can be in the mandril for melting intracavitary oscilaltion of furnace body, the upper end of mandril is removably connected with the pallet for placing melt, it is provided with cooling duct in mandril, there is the cooling device for being connected and can be used to cool down melt in pallet with the cooling duct of pallet on pallet.Structure of the invention design rationally, simply, on pallet has cooling device and can directly be cooled down to melt by cooling device, can be accurately controlled the smelting temperature of melt.
Description
Technical field
The invention belongs to apparatus for melting metal technical fields, are related to a kind of smelting in suspension mechanism of metal smelting-furnace.
Background technique
Levitation melting techniques refer to: melt are placed in magnetic field in fusion process, electromagnetic force and gravity are offset, thus
So that melt is in suspended state, then melt is heated at high temperature, to produce required material.It suspends to melt
When melting, temperature is important Con trolling index.If smelting temperature is too low, it is unfavorable for melting and the gas, impurity of alloying element
Precipitation；If smelting temperature is excessively high, melt is easy to oxidize, and the scaling loss of alloy part metal is also more serious, will lead to alloy
Mechanical performance decline；In addition, melt melting at different temperatures, the character of obtained metal material also can be different.
Smelting in suspension mechanism is the principal organ for the equipment that melt carries out smelting in suspension, currently used smelting in suspension mechanism
In cooling system be to be cooled down for metal smelting-furnace, thus temperature when controlling melting.But which cooling is slower, no
It can be accurately controlled the smelting temperature of melt, in actual use, for biscuit metal and the metal from solid-state is molten into liquid
Time it is shorter, therefore, the slowly varying shape that will have a direct impact on metal material of temperature can not manufacture and obtain more demanding gold
Belong to material, cooling system controls the temperature of melt, inconvenient to use.
Summary of the invention
The purpose of the present invention is providing for the above-mentioned problems in the prior art, a kind of structure is simple, energy is accurate
Control the smelting in suspension mechanism of melt temperature, metal smelting-furnace easy to use.
Object of the invention can be realized by the following technical scheme: a kind of smelting in suspension mechanism of metal smelting-furnace, packet
Include its internal furnace body with molten chamber and the pedestal for being installed in bottom of furnace body, the furnace body melt it is intracavitary be provided with energization after produce
The heating coil of melt heating, the control line snare are used for after the control coil of the raw electromagnetic force for making melt suspend and energization
Outside heating coil and the rwo interval cooperates, which is characterized in that the medium position sliding of the lower end surface of the furnace body is worn
Equipped with the support for placing melt can be removably connected in the mandril for melting intracavitary oscilaltion of furnace body, the upper end of mandril
Disk is provided with cooling duct in the mandril, has on the pallet and be connected with the cooling duct of pallet and can be used for
The cooling device of melt in cooling pallet.
The molten chamber of the furnace body of the smelting in suspension mechanism of this metal smelting-furnace carries out melting, which is passed through variable-frequency electric
Stream, the electromagnetic force acted on melt make melt smoothly suspend with gravitational equilibrium；In addition, heating coil is passed through work
Frequency electric current is used for melt heating；Specifically, heating coil is located in the cavity of control coil；Heating coil when due to melting
Temperature is up to 1500 DEG C to 2000 DEG C.Therefore control coil is arranged in the outside of heating coil, control coil is avoided to be dried by high temperature
It is roasting to be damaged.Cooling device is mainly arranged in the smelting in suspension mechanism of this metal smelting-furnace on pallet, and passes through cooling device
Melt is directly acted on, cooling effect is generated to melt.
In a kind of smelting in suspension mechanism of above-mentioned metal smelting-furnace, the cooling device includes several high temperature resistants
Spray head, the pallet includes its internal flat disk body with storage chamber, and the upper surface of the flat disk body is set
It is equipped with the bracket with collet, is additionally provided with several and the storage on the upper surface of the flat disk body in bracket
The mounting hole that chamber is connected, the spray head corresponds in the mounting hole described in being mounted on and the nozzle of the spray head is right against collet
Bottom, after mandril and pallet are detachably connected and the upper end of the cooling duct is connected with storage chamber, the lower end of cooling duct
For connecting cooling gas source.In actually manufacture, which is low temperature argon gas or nitrogen, and the argon gas and nitrogen are inertia
Gas, melt cooling, which can be avoided cooling gas and be reacted with melt, using inert gas causes the character of melt to become
Change.
In a kind of smelting in suspension mechanism of above-mentioned metal smelting-furnace, the spray head is cylindrical, the spray head
Outer wall on be provided with external screw thread, be provided with internal screw thread on the inner wall of the mounting hole, the spray head passes through external screw thread spiral shell
Rotation is connected on the internal screw thread of mounting hole.For temperature when melting in heating coil up to 1500 DEG C to 2000 DEG C, spray head is most
Close to heating coil, spray head is easy to be damaged under the high-temperature baking of heating coil；The purpose being arranged in this way is in order to just
In replacement spray head.
In a kind of smelting in suspension mechanism of above-mentioned metal smelting-furnace, the middle part of the lower end surface of the flat disk body
Position is installed with connector sleeve, has internal screw thread on the inner wall of the connector sleeve, is arranged on the outer wall of the upper end of the mandril
There is external screw thread, the mandril is connected on the internal screw thread of connector sleeve by the detachable spiral of external screw thread and the upper end of the mandril is stretched
It is connected in into the storage chamber of the flat disk body and with storage chamber, also there is sealing between the mandril and connector sleeve
Structure.In actual use, facilitate cooling gas to circulate in storage chamber and uniform, stabilization is cooled down by storage chamber, it also can be just
In regulation smelting temperature.
In a kind of smelting in suspension mechanism of above-mentioned metal smelting-furnace, the sealing structure includes in mandril outer wall
Portion position is installed with rubber seal ring, is provided with seal groove on the inner wall of the lower end of the connector sleeve, when mandril passes through outer spiral shell
When the detachable spiral of line is connected on the internal screw thread of connector sleeve and the rubber seal ring sealing function is in the seal groove.This
The purpose of sample setting is the sealing validity guaranteed between connector sleeve and mandril.
In a kind of smelting in suspension mechanism of above-mentioned metal smelting-furnace, the collet is arc-shaped bowl-shape, the bottom
Several through holes are distributed in support.The purpose being arranged in this way is to keep cold air gas directly cooling to melt and can cool down
It is even, melt is quickly heated up to smelting temperature, except by melt fast cooling, helping to obtain even compact, machinery after removing dross
The high metal material of performance.Therefore directly melt is heated and is cooled down, convenient for adjusting smelting temperature accurately and fast, from
And prepare more demanding metal material.
It is described that pedestal is provided with motor in a kind of smelting in suspension mechanism of above-mentioned metal smelting-furnace, it is described
It is fixed on the output shaft of motor to be equipped with gear, it is installed with rack gear on the lower section portion side wall of the mandril, the mandril passes through
Gear and rack gear engaged transmission drive mandril to rise to heater wire upwards when motor is rotated clockwise by gear and rack-driving
In circle, when motor rotates counterclockwise, mandril is driven to exit outside heating coil to decline by gear and rack-driving, the top
Mandril is additionally provided between bar and pedestal in the guide frame for melting intracavitary oscilaltion of furnace body.It is matched using gear and rack gear
The kind of drive, speed is uniform when moving for spray head, and smooth operation is smooth, and adjust stroke it is big, high transmission accuracy.
In a kind of smelting in suspension mechanism of above-mentioned metal smelting-furnace, the guide frame includes vertical on pedestal
It is installed with slideway, the sliding block of radially outwardly projecting, the sliding block and cunning are fixedly provided on the lower section portion side wall of the mandril
Road is slidably matched.The purpose being arranged in this way is to can guarantee that mandril is in the validity of vertical sliding on pedestal.
In a kind of smelting in suspension mechanism of above-mentioned metal smelting-furnace, use is additionally provided on the upper surface of the furnace body
In the pressure gauge of pressure in detection furnace body and the exhaust pipe being spaced apart with pressure gauge, the inner end of exhaust pipe passes through the upper end of furnace body
Face simultaneously extends that melting for furnace body is intracavitary, and the outer end of exhaust pipe is used for and gas concentration unit is tightly connected.The purpose being arranged in this way is
Convenient for detecting the intracorporal pressure of furnace, thus the flow of more precise control inert gas, also it is spaced on the side wall of the furnace body
Exhaust tube, air inlet pipe and observation window is distributed with, the inner end of the exhaust tube passes through the side wall of furnace body and extends the molten chamber of furnace body
Interior, the outer end of exhaust tube is used to be tightly connected with vacuum pump, and the inner end of the air inlet pipe passes through the side wall of furnace body and extends furnace
Melting for body is intracavitary, and the outer end of the air inlet pipe is for being tightly connected noble gas source.The purpose being arranged in this way is to make furnace
Melting intracavitary for body is vacuum environment, can protect melt, avoid the air in melting from reacting with melt, contaminated melt material
Material.
The method and step of this smelting metal is as follows:
A: observation window is opened and from the collet for placing melt tray in observation window；
B: the motor in starting regulating mechanism, the output shaft of motor rotate clockwise, and are driven and are pushed up by rack pinion
Bar rises in heating coil upwards, i.e., the collet in pallet rises to melt in heating coil；
C: starting control coil, the control coil make melt suspend by electromagnetic force；
D: being adjusted to rotation counterclockwise for the output shaft of motor, drives mandril decline to exit heating by rack pinion
Outside coil；
E: starting heating coil reaches heating coil temperature between 1500 DEG C -2000 DEG C, and melt is smelted into liquid, gold
The melting of alloying element and the precipitation of gas, impurity in belonging to；
F: starting cooling duct causes to release argon gas and nitrogen in spray head, directly cooling to melt；
G: when melt is cooled into solid-state, cooling duct is closed, starts the motor in regulating mechanism, the output shaft of motor
It rotates clockwise, drives mandril to rise in heating coil upwards by rack pinion, the collet of melt and pallet is against connecing
Touching；
H: control coil is closed, control coil loses electromagnetic force, and the melt is placed in the collet of pallet；
I: being adjusted to rotation counterclockwise for the output shaft of motor, drives mandril decline to exit heating by rack pinion
Outside coil；
J: it opens observation window and takes out melt from observation window.
Compared with prior art, the advantages of the smelting in suspension mechanism of this metal smelting-furnace are as follows: it is reasonable in design, simple,
There is cooling device on pallet and directly melt can be cooled down by cooling device, which directly adds melt
Heat, so as to be accurately controlled the smelting temperature of melt, and using the kind of drive of rack-and-pinion cooperation adjust spray head with
The spacing of melt, speed is uniform when moving for spray head, and smooth operation is smooth, and the stroke in addition adjusted is big, high transmission accuracy.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the smelting in suspension mechanism of this metal smelting-furnace.
Fig. 2 is the schematic cross-sectional view that mandril is connected with pallet in the smelting in suspension mechanism of this metal smelting-furnace.
In figure, 1, furnace body；2, pedestal；3, control coil；4, heating coil；5, mandril；6, cooling duct；7, spray head；8,
Flat disk body；9, collet；10, bracket；11, connector sleeve；12, rubber seal ring；13, through hole；14, motor；15, gear；
16, rack gear；17, slideway；18, sliding block；19, pressure gauge；20, exhaust pipe；21, exhaust tube；22, air inlet pipe；23, observation window.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As depicted in figs. 1 and 2, the smelting in suspension mechanism of this metal smelting-furnace is mainly by its internal furnace body 1 with molten chamber
Be installed in 1 bottom of furnace body pedestal 2 form, furnace body 1 melt it is intracavitary be provided be powered after generate make melt suspend electromagnetic force
Control coil 3 and the heating coil 4 of melt heating is used for after being powered, control coil 3 be sheathed on heating coil 4 it is outer and the rwo
Interval cooperation, the medium position sliding of the lower end surface of furnace body 1, which is equipped with, to push up in the mandril 5 for melting intracavitary oscilaltion of furnace body 1
The upper end of bar 5 is removably connected with the pallet for placing melt, is provided with cooling duct 6 in mandril 5, have on pallet with
The cooling duct 6 of pallet is connected and can be used to cool down the cooling device of melt in pallet.
In actually manufacture, the specific embodiment of the cooling device are as follows: mainly it is made of three spray heads 7 resistant to high temperature,
Pallet is mainly made of its internal flat disk body 8 with storage chamber, and the upper surface of flat disk body 8 is provided with collet
9 bracket 10, also sets up that there are three the installations being connected with storage chamber on the upper surface of the flat disk body 8 in bracket 10
Hole, spray head 7 corresponds in the mounting hole described in being mounted on and the nozzle of the spray head 7 is right against the bottom of collet 9, in practical application
When, the collet 9 is arc-shaped bowl-shape, several through holes 13 are distributed in the collet 9.When mandril 5 and pallet detachably connect
It connects rear and the cooling duct 6 upper end to be connected with storage chamber, the lower end of cooling duct 6 is for connecting cooling gas source；In reality
In application, the specific connection type of the spray head 7 and mounting hole are as follows: spray head 7 is cylindrical, and outer spiral shell is provided on the outer wall of spray head 7
Line is provided with internal screw thread on the inner wall of mounting hole, and spray head 7 is connected on the internal screw thread of mounting hole by external screw thread spiral；In reality
Border is in application, the specific connection type that the pallet and mandril 5 are detachably connected are as follows: the middle position of the lower end surface of flat disk body 8
It sets and is installed with connector sleeve 11, there is internal screw thread on the inner wall of connector sleeve 11, be provided with external screw thread on the outer wall of the upper end of mandril 5,
Mandril 5 by the detachable spiral of external screw thread be connected on the internal screw thread of the connector sleeve 11 and upper end of the mandril 5 put in it is described flat
It is connected in the storage chamber of planar disc body 8 and with storage chamber, also there is sealing structure between the mandril 5 and connector sleeve 11.
In actually manufacture, the specific embodiment of the sealing structure are as follows: mainly fixed in the medium position of 5 outer wall of mandril
There is rubber seal ring 12, be provided with seal groove on the inner wall of the lower end of connector sleeve 11, when mandril 5 passes through the detachable spiral of external screw thread
When being connected on the internal screw thread of connector sleeve 11 and 12 sealing function of rubber seal ring is in the seal groove.
In actually manufacture, the medium position sliding of the lower end surface of the furnace body 1 is equipped with can melting above and below intracavitary in furnace body 1
The specific embodiment of the mandril 5 of lifting are as follows: pedestal 2 is provided with motor 14, it is fixed on the output shaft of motor 14 to be equipped with gear
15, rack gear 16 is installed on the lower section portion side wall of mandril 5, mandril 5 is by 16 engaged transmission of gear 15 and rack gear, when motor 14 is suitable
Hour hands rotation drives mandril 5 to be risen in heating coil 4 upwards by gear 15 and the transmission of rack gear 16, when motor 14 revolves counterclockwise
Turn, drives mandril 5 to exit outside heating coil 4 to decline by gear 15 and the transmission of rack gear 16, also set between mandril 5 and pedestal 2
Mandril 5 is equipped in the guide frame for melting intracavitary oscilaltion of furnace body 1.
In actually manufacture, the specific embodiment of the guide frame are as follows: be installed with slideway 17 vertically on pedestal 2, push up
The sliding block 18 of radially outwardly projecting is fixedly provided on the lower section portion side wall of bar 5, the sliding block 18 and slideway 17 are slidably matched.
In actually manufacture, 19 He of pressure gauge for detecting pressure in furnace body 1 is additionally provided on the upper surface of the furnace body 1
The inner end of the exhaust pipe 20 being spaced apart with pressure gauge 19, exhaust pipe 20 passes through the upper surface of furnace body 1 and extends the molten chamber of furnace body 1
Interior, the outer end of exhaust pipe 20 is used to be tightly connected with gas concentration unit；Exhaust tube is also intervally distributed on the side wall of furnace body 1
21, air inlet pipe 22 and observation window 23, the inner end of the exhaust tube 21 passes through the side wall of furnace body 1 and to extend melting for furnace body 1 intracavitary,
The outer end of exhaust tube 21 is used to be tightly connected with vacuum pump, and the inner end of air inlet pipe 22 passes through the side wall of furnace body 1 and extends furnace body 1
Melt intracavitary, the outer end of air inlet pipe 22 is for being tightly connected noble gas source.
Smelting metal method and step is as follows:
A: observation window 23 is opened and from the collet 9 for placing melt tray in observation window 23；
B: the motor 14 in starting regulating mechanism, the output shaft of motor 14 rotate clockwise, and are passed by 15 rack gear 16 of gear
Dynamic that mandril 5 is driven to be risen in heating coil 4 upwards, i.e., the collet 9 in pallet rises to melt in heating coil 4；
C: starting control coil 3, the control coil 3 make melt suspend by electromagnetic force；
D: being adjusted to rotation counterclockwise for the output shaft of motor 14, is driven by 15 rack gear 16 of gear and mandril 5 is driven to decline
It exits outside heating coil 4；
E: starting heating coil 4 reaches 4 temperature of heating coil between 1500 DEG C -2000 DEG C, and melt is smelted into liquid,
The melting of alloying element and the precipitation of gas, impurity in metal；
F: starting cooling duct 6 causes to release argon gas and nitrogen in spray head 7, directly cooling to melt；
G: when melt is cooled into solid-state, closing cooling duct 6, start the motor 14 in regulating mechanism, motor 14
Output shaft rotates clockwise, and is driven by 15 rack gear 16 of gear and mandril 5 is driven to be risen in heating coil 4 upwards, melt and pallet
9 abutting contact of collet；
H: control coil 3 is closed, control coil 3 loses electromagnetic force, and the melt is placed in the collet 9 of pallet；
I: being adjusted to rotation counterclockwise for the output shaft of motor 14, is driven by 15 rack gear 16 of gear and mandril 5 is driven to decline
It exits outside heating coil 4；
J: it opens observation window 23 and takes out melt from observation window 23.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although furnace body 1 is used more herein；Pedestal 2；Control coil 3；Heating coil 4；Mandril 5；Cooling duct 6；
Spray head 7；Flat disk body 8；Collet 9；Bracket 10；Connector sleeve 11；Rubber seal ring 12；Through hole 13；Motor 14；Gear 15；
Rack gear 16；Slideway 17；Sliding block 18；Pressure gauge 19；Exhaust pipe 20；Exhaust tube 21；Air inlet pipe 22；The terms such as observation window 23, but simultaneously
A possibility that being not excluded for using other terms.The use of these items is only for be more convenient to describe and explain sheet of the invention
Matter；Being construed as any additional limitation is disagreed with spirit of that invention.
Claims (10)
1. a kind of smelting in suspension mechanism of metal smelting-furnace including its internal furnace body (1) with molten chamber and is installed in furnace body (1)
The pedestal (2) of bottom, the furnace body (1) melt it is intracavitary be provided be powered after generate make melt suspend electromagnetic force control line
Enclose (3) and be powered after for melt heating heating coil (4), the control coil (3) be sheathed on heating coil (4) outside and
The rwo interval cooperation, which is characterized in that the medium position sliding of the lower end surface of the furnace body (1) is equipped with can be in furnace body
(1) the mandril (5) for melting intracavitary oscilaltion, the upper end of mandril (5) is removably connected with the pallet for placing melt, institute
It is provided with cooling duct (6) in the mandril (5) stated, there is the simultaneously energy that is connected with the cooling duct (6) of pallet on the pallet
For cooling down the cooling device of melt in pallet.
2. a kind of smelting in suspension mechanism of metal smelting-furnace according to claim 1, which is characterized in that the cooling dress
It sets including several spray heads (7) resistant to high temperature, the pallet includes its internal flat disk body (8) with storage chamber, institute
The upper surface for the flat disk body (8) stated is provided with the bracket (10) with collet (9), the flat disk in bracket (10)
Several mounting holes being connected with the storage chamber, the corresponding peace of the spray head (7) are additionally provided on the upper surface of body (8)
In the mounting hole and the nozzle of the spray head (7) is right against the bottom of collet (9), when mandril (5) and pallet are detachable
After the connection and upper end of the cooling duct (6) is connected with storage chamber, and the lower end of cooling duct (6) is for connecting cooling gas source.
3. a kind of smelting in suspension mechanism of metal smelting-furnace according to claim 2, which is characterized in that the spray head
(7) cylindrical, it is provided with external screw thread on the outer wall of the spray head (7), interior spiral shell is provided on the inner wall of the mounting hole
Line, the spray head (7) are connected on the internal screw thread of mounting hole by external screw thread spiral.
4. a kind of smelting in suspension mechanism of metal smelting-furnace according to claim 3, which is characterized in that the flat disc
The medium position of the lower end surface of shape body (8) is installed with connector sleeve (11), has internal screw thread on the inner wall of the connector sleeve (11),
External screw thread is provided on the outer wall of the upper end of the mandril (5), the mandril (5) passes through the detachable spiral connection of external screw thread
Put on the internal screw thread of connector sleeve (11) and the upper end of the mandril (5) in the storage chamber of the flat disk body (8) and with
Storage chamber is connected, and also has sealing structure between the mandril (5) and connector sleeve (11).
5. a kind of smelting in suspension mechanism of metal smelting-furnace according to claim 4, which is characterized in that the sealing knot
Structure includes that the medium position of mandril (5) outer wall is installed with rubber seal ring (12), the inner wall of the lower end of the connector sleeve (11)
On be provided with seal groove, when mandril (5) is connected on the internal screw thread of connector sleeve (11) by the detachable spiral of external screw thread and should
Rubber seal ring (12) sealing function is in the seal groove.
6. a kind of smelting in suspension mechanism of metal smelting-furnace according to claim 5, which is characterized in that the collet
(9) arc-shaped bowl-shape, several through holes (13) are distributed in the collet (9).
7. a kind of smelting in suspension mechanism of metal smelting-furnace according to claim 6, which is characterized in that described in pedestal
(2) it is provided with motor (14), it is fixed on the output shaft of the motor (14) to be equipped with gear (15), under the mandril (5)
It is installed on section portion side wall rack gear (16), the mandril (5) works as motor by gear (15) and rack gear (16) engaged transmission
(14) it rotates clockwise, drives mandril (5) to be risen in heating coil (4) upwards by gear (15) and rack gear (16) transmission, when
Motor (14) rotates counterclockwise, drives mandril (5) to exit heating coil (4) to decline by gear (15) and rack gear (16) transmission
Outside, mandril (5) is additionally provided between the mandril (5) and pedestal (2) in the guiding knot for melting intracavitary oscilaltion of furnace body (1)
Structure.
8. a kind of smelting in suspension mechanism of metal smelting-furnace according to claim 7, which is characterized in that the guiding knot
Structure is included on pedestal (2) is installed with slideway (17) vertically, be fixedly provided on the lower section portion side wall of the mandril (5) it is radial to
The sliding block (18) of outer lug, the sliding block (18) and slideway (17) are slidably matched.
9. a kind of smelting in suspension mechanism of metal smelting-furnace according to claim 8, which is characterized in that the furnace body
(1) it is additionally provided with the pressure gauge (19) for detecting furnace body (1) interior pressure on upper surface and is spaced apart with pressure gauge (19)
Exhaust pipe (20), the inner end of exhaust pipe (20) passes through the upper surface of furnace body (1) and extend furnace body (1) melts intracavitary, exhaust pipe
(20) outer end is used to be tightly connected with gas concentration unit, is also intervally distributed with exhaust tube on the side wall of the furnace body (1)
(21), air inlet pipe (22) and observation window (23), the inner end of the exhaust tube (21) pass through the side wall of furnace body (1) and extend furnace body
(1) melt is intracavitary, and the outer end of exhaust tube (21) is used to be tightly connected with vacuum pump, and the inner end of the air inlet pipe (22) passes through furnace
The side wall of body (1) simultaneously extends the outer end for melting intracavitary, described air inlet pipe (22) of furnace body (1) for being tightly connected inert gas gas
Source.
10. the method for smelting in suspension mechanism and its smelting metal by metal smelting-furnace described in claim 1, feature exist
In smelting metal method and step is as follows:
A: observation window (23) are opened and from observation window (23) in the collet (9) of placement melt tray；
B: the motor (14) in starting regulating mechanism, the output shaft of motor (14) rotate clockwise, and pass through gear (15) rack gear
(16) transmission drives mandril (5) to be risen in heating coil (4) upwards, i.e., melt is risen to heater wire by the collet (9) in pallet
It encloses in (4)；
C: starting control coil (3), the control coil (3) make melt suspend by electromagnetic force；
D: being adjusted to rotation counterclockwise for the output shaft of motor (14), is driven by gear (15) rack gear (16) and drives mandril (5)
Decline exits heating coil (4) outside；
E: starting heating coil (4) reaches heating coil (4) temperature between 1500 DEG C -2000 DEG C, and melt is smelted into liquid,
The melting of alloying element and the precipitation of gas, impurity in metal；
F: starting cooling duct (6) causes to release argon gas and nitrogen in spray head (7), directly cooling to melt；
G: it when melt is cooled into solid-state, closes cooling duct (6), starts the motor (14) in regulating mechanism, motor (14)
Output shaft rotate clockwise, be driven by gear (15) rack gear (16) and mandril (5) driven to be risen in heating coil (4) upwards,
Collet (9) abutting contact of melt and pallet；
H: it closes control coil (3), control coil (3) loses electromagnetic force, and the melt is placed in the collet (9) of pallet；
I: being adjusted to rotation counterclockwise for the output shaft of motor (14), is driven by gear (15) rack gear (16) and drives mandril (5)
Decline exits heating coil (4) outside；
J: opening observation window (23) and melt is taken out from observation window (23).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877677A (en) * | 2022-04-21 | 2022-08-09 | 北京中辰至刚科技有限公司 | Suspension smelting electric heating reduction furnace |
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