CN108463680A - Metal molten device - Google Patents

Metal molten device Download PDF

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Publication number
CN108463680A
CN108463680A CN201780006757.3A CN201780006757A CN108463680A CN 108463680 A CN108463680 A CN 108463680A CN 201780006757 A CN201780006757 A CN 201780006757A CN 108463680 A CN108463680 A CN 108463680A
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CN
China
Prior art keywords
crucible
metal
molten
molten metal
cylindrical member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201780006757.3A
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Chinese (zh)
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CN108463680B (en
Inventor
犬塚史
村上浩
村上浩一
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Central Motor Wheel Co Ltd
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Central Motor Wheel Co Ltd
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Publication of CN108463680A publication Critical patent/CN108463680A/en
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Publication of CN108463680B publication Critical patent/CN108463680B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00Crucible or pot furnaces
    • F27B14/08Details peculiar to crucible or pot furnaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00Crucible or pot furnaces
    • F27B14/08Details peculiar to crucible or pot furnaces
    • F27B14/14Arrangements of heating devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D13/00Apparatus for preheating charges; Arrangements for preheating charges
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D27/00Stirring devices for molten material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Furnace Details (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The metal molten device has:In the internal crucible (20) for accumulating molten metal;The mixing part (30) that molten metal in crucible (20) is stirred;And to heating part (40) that crucible (20) is heated.Mixing part (30) includes:In the cylindrical member (32) that the central portion of crucible (20) configures along the vertical direction;The tabular component (31) for connecting with the upper end of cylindrical member (32) and configuring in the horizontal direction;The molten metal in cylindrical member (32) is set to be whirled up the convolution upper up-flow generating unit (33, M1) of upper up-flow.Annular gap (Z) is formed between the outer rim and the internal face of crucible (20) of tabular component (31).The inside of single crucible (20) can be used as firing chamber and melting chamber uses.Therefore, compared with the mode that firing chamber and melting chamber are separately provided, densification can be integrally realized as device.

Description

Metal molten device
Technical field
The present invention relates to metal molten devices.
Background technology
Conventionally, there is known melted in order to which the metal materials such as aluminium alloy to be used in the manufacture of various cast products Metal molten device (for example, referring to WO2015/050208 bulletins).The device that the document is recorded has for molten metal The firing chamber that is heated and the melting chamber (volute chamber) for carrying out dipping fusing for the metal material of input using vortex.It utilizes Circulating pump will heat up indoor molten metal and be supplied to melting chamber, the molten metal being discharged from melting chamber is made to return to firing chamber.
In the device that above-mentioned document is recorded, firing chamber is separately provided with melting chamber.Therefore, in order to which constituent apparatus is whole Body needs to be separately provided for the space of firing chamber to be arranged with for the space of melting chamber to be arranged, as a result, that there are devices is whole The problem of body enlargement.
The present invention makes to cope with the above problem, is used as device integrally being capable of densification its purpose is to provide a kind of Metal molten device.
Invention content
The metal molten device of the present invention has:Crucible, upper opening and inside accumulate it is metal material melting for making Molten metal;Mixing part is stirred and to accumulating in the molten metal of inside of the crucible in the inside of the crucible Generate the flowing of molten metal;And heating part, the crucible is heated.
Crucible is heated by heating part as a result, therefore the inside of crucible plays a role as firing chamber.In addition, accumulating in earthenware The molten metal of the inside of crucible is stirred by mixing part, therefore the inside of crucible also plays a role as melting chamber (volute chamber).That is, single The inside of one crucible can be used as firing chamber and melting chamber uses.Therefore, the above-mentioned text being separately provided with firing chamber and melting chamber The device for offering record is compared, and densification can be realized as device entirety.
In the metal molten device of the present invention, the mixing part is preferably provided with:Cylindrical member, viewed from above described The central portion of crucible when crucible configures along the vertical direction in lodging in the molten metal of inside of the crucible;And Convolution upper up-flow generating unit makes the molten metal positioned at the inside of the cylindrical member generate the convolution risen while circling round Upper up-flow.
The molten metal for being located at the lower part inside crucible as a result, is directed to cylindrical member from the lower end of cylindrical member It is internal.The molten metal for being directed to the inside of cylindrical member rises in the inside of cylindrical member while circling round, via cylinder External discharge of the upper end of shape component to cylindrical member.It is discharged to the outside of cylindrical member, top inside crucible Molten metal along crucible internal face decline, return crucible inside lower part.Back to the melting of the lower part inside crucible Metal is directed to the inside of cylindrical member from the lower end of cylindrical member again.As a result, being easy to make to accumulate in crucible The entirety of internal molten metal equably recycles.
In the metal molten device of the present invention, it is preferred that the mixing part has the upper end with the cylindrical member The tabular component that portion connects and configured in the horizontal direction in the molten metal for lodging in the inside of the crucible, in the plate It is formed with gap between the outer rim of component and the internal face of the crucible.
It is continuous in the horizontal direction from the upper end of cylindrical member as a result, in the molten metal for the inside for lodging in crucible Ground is formed with the small shoal portion of the depth for the molten metal that the upper surface (horizontal plane) of tabular component is bottom surface.Therefore, from tubular The molten metal that the upper end of component is discharged while circling round is moved to shoal portion, after being moved to shoal portion and then in water Towards while circling round outer rim (therefore, the internal face of the crucible) extension of tabular component in plane.Also, reach plate structure The molten metal of the outer rim of part is by the gap that is formed between the outer rim of tabular component and the internal face of crucible, then, along The internal face of crucible declines.
The structure be preferably applied to by " for the metal powders such as aluminium cutting powder compress and solid obtained from briquetting that The reguline metal material of the undried state of sample is configured to the size of its whole untreated degree when putting into shoal portion Material " the case where being put into shoal portion.That is, when such reguline metal material is put to shoal portion, at an upper portion thereof from molten Melt metal molten metal show out in the state of, volume is melted and is gradually reduced using molten metal on one side, on one side along The flowing of the molten metal to circle round in the horizontal plane and shoal portion move.In this process, from the material of reguline metal from The part that molten metal exposes can release oil smoke and vapor from greases point such as the cutting oil for being attached to metal material.Cause This, does not have to implement to be dried before putting into reguline metal material, grease point can be safely removed from reguline metal material.
So that volume is reduced and reach the gap shortly after reguline metal material that shoal portion moves, volume reduce to It can be stayed near the gap by the size in the gap.Also, when volume is reduced to can be by between described When the size of gap, reguline metal material is by the gap, then, along the stream of the molten metal recycled in the inside of crucible It is dynamic, decline along the internal face of crucible.
In the metal molten device of the present invention, it is preferred that the metal molten device has to be stated in internal collecting post The furnace body of crucible, the heating part have:Burner is divided in the side wall and bottom wall of outer wall and the furnace body by the crucible Combustion chamber in make fuel gas and the crucible heated;And oil smoke introduction part, it will be to opening by the crucible Oil released in the upper space that the upper wall of mouth and the furnace body divides, from the oil component for including in the metal material Cigarette is guided to the combustion chamber.
The oil smoke from greases point such as the cutting oil for being attached to metal material is guided to combustion chamber as a result, can make to draw The oil smoke to combustion chamber is led in the same manner as fuel gas in burner combustion (second-time burning).Therefore, it is possible to which oil smoke is recycled As the fuel of burner, therefore energy efficiency improves.Furthermore it is possible to make oil smoke complete combustion and carry out innoxious.
In the metal molten device of the present invention, it is preferred that the metal molten device has for by the metal The throw-in part that material is put into the molten metal for the inside for lodging in the crucible, the throw-in part are configured to, and make in the throwing Enter portion it is standby in the metal material be located at and make the oil smoke from the upper space to described using the oil smoke introduction part The midway in the path of combustion chamber movement.Accordingly, for the metal material in throw-in part is standby, time point before input can be into The drying process of row preparation property.
Description of the drawings
Fig. 1 is the main section view of the outline structure for the embodiment for schematically showing the metal molten device of the present invention Figure.
Fig. 2 is sectional view corresponding with the 2-2 lines of Fig. 1.
Specific implementation mode
Hereinafter, the embodiment (hereinafter referred to as " present embodiment ") of the metal molten device about the present invention, with reference to figure 1 and Fig. 2 is illustrated.Present embodiment is used to be enabled aluminum alloy to using molten metal etc. metal material melting.Fusing The manufacture of various cast products is used for after metal material.
(structure)
As shown in Figures 1 and 2, present embodiment has furnace body 10, the crucible 20 for the inside for being contained in furnace body 10, to crucible Mixing part 30 that molten metal in 20 is stirred, the heating part 40 that crucible 20 is heated and for making should to melt The standby throw-in part 50 of metal material.
Furnace body 10 substantially has bottom wall 11, side wall 12, upper wall 13, will be covered in the whole of the crucible 20 of inside receiving.Bottom Wall 11, side wall 12 and upper wall 13 are made of heat proof material.In this example, bottom wall 11 is integrally provided with side wall 12,13 phase of upper wall Disassembly ease is arranged to for side wall 12.Since upper wall 13 becomes disassembly ease, maintenance (including the crucible 20 of crucible 20 The replacement of its own) etc. operation be easy carry out.
It is equipped with pedestal 18 in the inner surface of bottom wall 11, crucible 20 is configured in a manner of upper opening on pedestal 18.It utilizes Outer wall, bottom wall 11 and the side wall 12 of crucible 20 divides combustion chamber S1.Moreover, being divided using the opening of crucible 20, upper wall 13 Upper space S2.
The exhaust channel 14 for being connected to combustion chamber S1 with outside is formed in a part for side wall 12 and upper wall 13.It is being vented The midway of access 14 is equipped with the access 15 for importing auxiliary air into exhaust channel 14.Exhaust channel 14 is via access 16 Also it is connected to upper space S2.Moreover, upper space S2 is connected to combustion chamber S1 via access 17.
The heatproof container for the teacup shape that crucible 20 is upper opening and (vertical direction) configures along the vertical direction, inside it Contain the molten metal of high temperature.In this example, crucible 20 is about the axle center vertically extended and in the shape of rotational symmetry Shape.
A part for the upper surface of the composition opening of crucible 20 is lower than the other part of upper surface, which is used as For the outlet 21 of molten metal.It is connected with one end of chute 22 in outlet 21.Chute 22 inclines slightly downwardly from outlet 21 Tiltedly and cross the inside of exhaust channel 14, the other termination of chute 22 is via the opening of the part setting in side wall 12 and to outside Expose.Moreover, for preventing the barrier 23 that the metal material for putting into crucible 20 is flowed out from outlet 21 immediately before melting It is fixed near outlet 21 relative to upper wall 13.
Mixing part 30 has tabular component 31, cylindrical member 32, stirring rod 33, motor M1.Tabular component 31 is overlooked Lower observation is cricoid tablet.Tabular component 31 is suspended in midair using defined suspention apparatus etc. and from upper wall 13, relative to crucible 20 It cannot fix coaxially and relatively movably.Tabular component 31 is in the position of the low specified amount of height than outlet 21 along level side To configuration.Annular gap Z is formed between the outer peripheral edge of tabular component 31 and the internal face of crucible 20.
Cylindrical member 32 is cylindrical structural member.The upper end of cylindrical member 32 spreads complete cycle with the inner peripheral of tabular component 31 Ground connection/fixation, cylindrical member 32 cannot be fixed coaxially and relatively movably relative to crucible 20.Cylindrical member 32 is from plate (vertical direction) configures the inner peripheral of component 31 along the vertical direction downward.The bottom of the lower end and crucible 20 of cylindrical member 32 The internal face in portion contacts.The lower end of cylindrical member 32 be formed with for by the molten metal of the outside of cylindrical member 32 to cylinder The introducing port 32a (being in this example, circumferentially equally spaced 4 positions) that the inside of shape component 32 imports.
Stirring rod 33 is to be equipped with the rod member of screw rod 33a in front end (lower end).Stirring rod 33 is disposed relative to Upper wall 13 cannot relatively move in an axial direction, and can be rotated in around direction, coaxially be configured relative to crucible 20.Stirring rod 33 along the vertical direction (vertical direction) configure, including substantially lower half portion is located at the inside of cylindrical member 32 for its of screw rod 33a. This, the stirring rod 33 and motor M1 for having screw rod 33a correspond to " convolution upper up-flow generating unit " of the invention.
Motor M1 is fixed on upper wall 13, and driving stirring rod 33 is pivoted to defined first direction of rotation.Work as stirring When stick 33 is rotated to defined first direction of rotation, generated relative to the molten metal positioned at the inside of cylindrical member 32 on one side The flowing (convolution upper up-flow) that convolution rises on one side.
Heating part 40 has burner 41, fan 42 and motor M2.Burner 41 is faced with the part in side wall 12 The mode of combustion chamber S1 is arranged.Burner 41 is using through not shown fuel gas ingress pipe and air leading-in conduit and from outside The fuel gas and air of importing, make fuel gas in the S1 of combustion chamber.Using the combustion heat of the fuel gas by earthenware Crucible 20 heats.
Fan 42 is arranged in the midway for the access 17 for linking upper space S2 and combustion chamber S1.Fan 42 is by motor M2 It drives and is rotated to defined second direction of rotation.When fan 42 is rotated to defined second direction of rotation, relative to access Gas in 17 and generate the flowing moved from the sides upper space S2 to the combustion chamber sides S1.Here, fan 42, motor M2, logical Road 17 corresponds to " the oil smoke introduction part " of the present invention.
Throw-in part 50 has input sliding slot 51 and impeller 52.Input sliding slot 51 is fixed on upper wall 13.In input sliding slot 51 Inside is formed with the access for being moved for metal material using inlet portion 51a and outlet portion 51b as both ends.Impeller 52 is logical at this The half-way on road is arranged to rotate freely in a manner of occluding the access.Impeller 52 can carry out rotation driving manually, also may be used To carry out rotation driving by using the electronic of motor etc..
The metal material put into from inlet portion 51a is temporarily standby in the position of impeller 52.Also, the metal material in standby Amount corresponding with the rotation angle of impeller 52 is discharged towards outlet portion 51b.The metal material of discharge is from outlet portion 51b via crucible Molten metal input of 20 opening into crucible 20.
Impeller 52 in input sliding slot 51 also is located at will be in the access 17 of upper space S2 and combustion chamber S1 connections On the way.Therefore, in the position of impeller 52, it is standby in metal material also be located at the midway of access 17.
The computer control of above-mentioned motor M1, motor M2 and burner 41 as shown in Figure 1.That is, stirring rod 33 The firepower of rotary speed, the rotary speed of fan 42 and burner 41 is suitably adjusted/is controlled according to situation by computer.
(action)
Hereinafter, illustrating the action of present embodiment formed as described above.In the action of present embodiment, stirring rod 33 Rotary speed, the rotary speed of fan 42 and burner 41 firepower controlled by computer.
In the action of present embodiment, lodge in the molten metal of crucible 20 liquid level be usually adjusted to naturally with The height of outlet 21 is unanimous on the whole.That is, when due to input metal material fusing and molten metal volume increase to When the height of the liquid level of molten metal is more than the height of outlet 21, molten metal is arranged via chute 22 to outside from outlet 21 Go out.As a result, the height of the liquid level of molten metal will be back to the height of outlet 21 naturally.
In other words, the molten metal of amount corresponding with the amount of metal material of input can be taken out from outlet 21.It takes out Molten metal (that is, molten metal material) be used in the manufacture of various cast products.
As described above, tabular component 31 the height than outlet 21 it is low go out specified amount position at match in the horizontal direction It sets.Moreover, cylindrical member 32 configures downward from the inner peripheral of tabular component 31.Therefore, in the melting for lodging in crucible 20 In the state that the liquid level of metal and the height of outlet 21 are unanimous on the whole, tabular component 31 and cylindrical member 32 are located at molten metal Liquid level lower section (that is, in molten metal).
As a result, in lodging in the molten metal inside crucible 20, with from the upper end of cylindrical member 32 (therefore, The inner peripheral of tabular component 31) continuous mode in the horizontal direction, it is formed with the upper surface (horizontal plane) of tabular component 31 bottom of as The depth of the molten metal in face small " shoal portion ".
When due to motor M1 and when stirring rod 33 (therefore, screw rod 33a) is rotated to defined first direction of rotation, as above It is described, upper up-flow is whirled up for the molten metal positioned at the inside of cylindrical member 32.
When above-mentioned convolution upper up-flow generates, it is located at the molten metal of the lower part in crucible 20 via under cylindrical member 32 The introducing port 32a of end is imported to the inside of cylindrical member 32.The molten metal of the inside of cylindrical member 32 is imported into tubular The inside of component 32 rises while circling round, and is discharged while circling round from the upper end of cylindrical member 32.
It is mobile from the molten metal that the upper end of cylindrical member 32 is discharged while circling round to " shoal portion ", it is moved to Towardsing after " shoal portion " and then while circling round the outer peripheral edge of tabular component 31 in the horizontal plane, (therefore, crucible 20 is interior Wall surface) extension.Also, the molten metal of the outer peripheral edge of tabular component 31 is reached by annular gap Z, then along crucible 20 Internal face declines, and returns to the lower part in crucible 20.Back to the lower part in crucible 20 molten metal again from cylindrical member 32 lower end is directed to the inside of cylindrical member 32.As a result, lodging in the whole of the molten metal of the inside of crucible 20 Body equably recycles.
The temperature of the molten metal recycled in crucible 20 in this way is maintained/is adjusted to by adjusting the firepower of burner 41 High temperature appropriate.Moreover, being rotated to defined second direction of rotation come driving fan 42 using motor M2.As a result, by top Gas in space S 2 is imported to the combustion chamber sides S1.
The amount for the metal material put into crucible 20 puts into the rotation angle of the impeller 52 of sliding slot 51 by control to adjust It is whole.In the present embodiment, metal material is put into via the outlet portion 51b of input sliding slot 51 to " shoal portion ".
In the present embodiment, will " for the metal powders such as aluminium cutting powder compress and solid obtained from briquetting that The reguline metal material of the undried state of sample is configured to when putting into " shoal portion " the big of its whole untreated degree Small material " is put into " shoal portion ".In other words, the difference of height of tabular component 31 and outlet 21 is to be no more than reguline metal material The mode of the initial size of material is set.It should be noted that it is because of the gold with cutting powdery to put into block-like metal material Category material, which is compared, can reduce surface area and be difficult to aoxidize.
When such reguline metal material is put into " shoal portion ", at an upper portion thereof from the molten metal face of molten metal In the state of exposing, volume is melted and is gradually reduced using molten metal on one side, it is molten along what is circled round in the horizontal plane on one side Melt the flowing of metal and is moved in " shoal portion ".In this process, from greases point such as the cutting oil for being attached to metal material Oil smoke and vapor are released from the part that the slave molten metal of reguline metal material exposes.Therefore, in input reguline metal material Do not implement to be dried before, and grease point can be safely removed from reguline metal material.
So that volume is reduced and reach annular gap Z shortly after " shoal portion " mobile reguline metal material, until body Product is reduced to can be remained near annular gap Z until the size of annular gap Z.That is, the width of annular gap Z It is set as the initial size no more than reguline metal material.Also, when volume is reduced to can be by the size of annular gap Z When, reguline metal material is by annular gap Z, then, along the flowing of the molten metal recycled in crucible 20 along earthenware The internal face of crucible 20 declines.Lower part of the reguline metal material of decline in crucible 20 is completely melt, becomes the one of molten metal The inside of cylindrical member 32 is partly directed to from the lower end of cylindrical member 32, the cycle in crucible 20.
As described above, being released from the oil smoke that reguline metal material generates to top space S 2.It is released to upper space S2's Oil smoke is directed to via access 17 in the S1 of combustion chamber by the rotation of fan 42.It imported into the oil smoke and fuel of combustion chamber S1 Gas similarly burns (second-time burning) in burner 41.Therefore, it is possible to which oil smoke to be re-used as to the fuel of burner 41, because This energy efficiency increases.
The exhaust gas generated due to the burning in the S1 of combustion chamber is discharged via exhaust channel 14 to outside.Moreover, via logical The auxiliary air of room temperature is imported into exhaust channel 14 by road 15.The auxiliary air of room temperature is imported into exhaust channel 14 be for Avoid the temperature chilling for making exhaust gas and the harmful substances such as the dioxin that can be generated by the burning of above-mentioned oil smoke are put to outside Go out.
As described above, the metal material in the position of impeller 52 is standby also is located at the midway of access 17.Therefore, in standby Metal material be exposed in access 17 by high temperature oil smoke under.As a result, for the metal material in standby, The drying process of preparation property can be carried out to the time point before the input of molten metal.
(effect/effect)
More than, according to the present embodiment, crucible 20 is heated by the firepower of burner 41, therefore the inside conduct of crucible 20 " firing chamber " plays a role.In addition, the molten metal for lodging in the inside of crucible 20 is stirred by the screw rod 33a of stirring rod 33, because The inside of this crucible 20 also plays a role as " melting chamber ".That is, the inside of single crucible 20 can be used as " firing chamber " and " melt Change room " it uses.Therefore, " the dress that the document that one column of background technology is recorded is recorded being separately provided with " firing chamber " and " melting chamber " Set " it compares, it can integrally realize densification as device.
In addition, according to the present embodiment, putting into the reguline metal material in shoal portion at an upper portion thereof from the molten of molten metal In the state of melting metal covering exposing, volume is melted and is gradually reduced using molten metal on one side, on one side along in the horizontal plane The flowing of the molten metal of convolution and shoal portion move.In this process, from the slave molten metal dew in the material of reguline metal The part gone out can release oil smoke and vapor from greases point such as the cutting oil for being attached to metal material.Therefore, will be blocky Do not implement to be dried before metal material input, and can be removed from reguline metal material by grease point safety.
It, can be by the oil smoke from the oil component for including in metal materials to combustion chamber in addition, according to the present embodiment S1 is guided, and the oil smoke for being directed to combustion chamber S1 is made to burn (second-time burning) in burner 41 in the same manner as fuel gas.Therefore, energy The enough fuel that oil smoke is re-used as to burner 41, therefore energy efficiency improves.Furthermore it is possible to make oil smoke complete combustion and into Row is innoxious.
In addition, according to the present embodiment, the metal material in the position of the impeller 52 of input sliding slot 51 is standby is located at height The midway for the access 17 that the oil smoke of temperature is moved from upper space S2 to combustion chamber S1.Therefore, for standby in the position of impeller 52 In metal material, can the time point before input carry out preparation property drying process.
The present invention is not limited to above-mentioned typical embodiment, is just contemplated that without departing from the purpose of the present invention each Kind application or deformation.For example, it is also possible to practice following each mode of the above embodiment.
In the above-described embodiment, as the metal material of input, nonferrous metal as the briquetting of aluminium can be used Bulk material, but the bulk material of iron as the briquetting of iron can also be used.Moreover, the metal material as input, The cutting powder material of nonferrous metal or iron can be used.In the case where using cutting powder material as the metal material put into, Can molten metal is next to make the mass-impregnation of cutting powder material in molten metal from devoting, therefore use implements dry place Cutting powder material after reason is preferred.
In addition, in the above-described embodiment, forming " shoal portion " by the way that tabular component 31 is arranged, but can not also be formed " shoal portion ".In this case, even if in the case where bulk material as using briquetting is as the metal material put into It can be from devoting after molten metal is next to make the mass-impregnation of bulk material in molten metal, therefore use implements drying process Bulk material be preferred.
In addition, in the above-described embodiment, ring is formed between the outer peripheral edge of tabular component 31 and the internal face of crucible 20 Shape gap Z, but can also be formed not be cyclic annular (that is, discontinuous in circumferential complete cycle) gap.
In addition, in the above-described embodiment, being equipped with the furnace body 10 of receiving crucible 20, but furnace body 10 can not also be set.That is, It can also be that crucible 20 is whole to outside to expose.In this case, burner, Neng Gouli are loaded near the outer wall of crucible 20 Crucible 20 is heated with burner.It is released by the exhaust gas portion of directing out that the burning of burner generates.
Label declaration
10 ... furnace bodies, 11 ... bottom walls, 12 ... side walls, 13 ... upper walls, 20 ... crucibles, 30 ... mixing parts, 31 ... tabular components, 32 ... cylindrical members, 33 ... stirring rod, 33a ... screw rods, 40 ... heating parts, 41 ... burners, 42 ... fans, 50 ... throw-in parts, 51 ... input sliding slots, 52 ... impellers, M1, M2 ... motor.

Claims (5)

1. a kind of metal molten device, has:
Crucible, upper opening and inside accumulate for making metal material melting molten metal;
Mixing part is stirred and to accumulating in the molten metal of inside of the crucible in the generation melting of the inside of the crucible The flowing of metal;And
The crucible is heated in heating part.
2. metal molten device according to claim 1, wherein
The mixing part has:
Cylindrical member, the central portion of the crucible in the crucible viewed from above, in the inside for lodging in the crucible Molten metal in configure along the vertical direction;And
Convolution upper up-flow generating unit makes the molten metal generation positioned at the inside of the cylindrical member rise while circling round Convolution upper up-flow.
3. metal molten device according to claim 2, wherein
The mixing part, which has, to be connect with the upper end of the cylindrical member and in the melting gold for lodging in the inside of the crucible The tabular component configured in the horizontal direction in category,
It is formed with gap between the outer rim and the internal face of the crucible of the tabular component.
4. metal molten device described in any one of claim 1 to 3, wherein
The metal molten device has states the furnace body of crucible in internal collecting post,
The heating part has:
Burner makes fuel gas fire in the combustion chamber of side wall and the bottom wall division of outer wall and the furnace body by the crucible It burns and the crucible is heated;And
Oil smoke introduction part, by by the crucible opening and the furnace body upper wall divide upper space in release, Lai The oil smoke for the oil component for including in the comfortable metal material is guided to the combustion chamber.
5. metal molten device according to claim 4, wherein
The metal molten device has for throwing the metal material to the molten metal for the inside for lodging in the crucible The throw-in part entered,
The throw-in part is configured to, and so that the metal material in the throw-in part is standby is located at and utilizes the oil smoke introduction part Make the midway in the path that the oil smoke moves from the upper space to the combustion chamber.
CN201780006757.3A 2016-01-15 2017-01-11 Metal melting device Active CN108463680B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016005691A JP6659366B2 (en) 2016-01-15 2016-01-15 Metal melting equipment
JP2016-005691 2016-01-15
PCT/JP2017/000526 WO2017122647A1 (en) 2016-01-15 2017-01-11 Metal melting device

Publications (2)

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CN108463680A true CN108463680A (en) 2018-08-28
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CN110926206B (en) * 2019-12-03 2024-05-03 昆明理工大学 High flux smelting device for low-melting-point metal

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS618126A (en) * 1984-06-22 1986-01-14 Ishikawajima Harima Heavy Ind Co Ltd Stirring apparatus
WO2008038556A1 (en) * 2006-09-28 2008-04-03 Nippon Crucible Co., Ltd. Precious metal recovering apparatus
CN104390457A (en) * 2014-11-21 2015-03-04 浙江宇辰工业炉有限公司 Metal homogenizing melting furnace

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5428205A (en) * 1977-08-05 1979-03-02 Furukawa Electric Co Ltd:The Preventing device for oxidation of molten metal
JPS56146826A (en) * 1980-04-15 1981-11-14 Nippon Kokan Kk <Nkk> Production of high tensile steel sheet having low yield ratio and high ductility
JPS59147630A (en) * 1983-02-10 1984-08-24 Takeda Chem Ind Ltd Stirring device with air injection
US4605438A (en) * 1985-06-28 1986-08-12 The Dow Chemical Company Apparatus and method for forming a wear-resistant metal composition

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS618126A (en) * 1984-06-22 1986-01-14 Ishikawajima Harima Heavy Ind Co Ltd Stirring apparatus
WO2008038556A1 (en) * 2006-09-28 2008-04-03 Nippon Crucible Co., Ltd. Precious metal recovering apparatus
CN104390457A (en) * 2014-11-21 2015-03-04 浙江宇辰工业炉有限公司 Metal homogenizing melting furnace

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