The specific embodiment
Fig. 1 plane earth has represented to assemble the overall structure of the calciner system (band agitating device calciner) 100 of agitating device involved in the present invention 101.That is, calciner (calciner main body) 102 can use existing calciner.That is to say, this calciner 102 is to drop into nonferrous metal such as aluminium (Al, Cu, Zn or at least two kinds alloy wherein, the perhaps nonferrous metal of conductor (electric conductor) such as Mg alloy) blank heats by various burners (not shown) and to make its fusion.In addition, the present invention can certainly be applicable to the calciner of metal in addition except the calciner of nonferrous metal.Have liquation outlet 104 and liquation inlet 105 on one side in the sidewall on this calciner 102 4 limits.The liquation passage components 107 of the refractory material system of U font (perhaps heat proof material system) makes liquation outlet 104 and 105 circulations of liquation inlet by bending to roughly.So, the liquation 103 in the calciner 102 flows out from liquation outlet 104, is recycled to the calciner 102 from liquation inlet 105.
In the inboard of the liquation passage components 107 of above-mentioned U font, promptly between these parts 107 and the calciner 102, dispose above-mentioned agitating device 101 along the medial surface of above-mentioned passage components 107.By the action that is described in detail later of this agitating device 102, the liquation in the calciner 102 carry out continuously flowing out from liquation outlet 104, and circulation is to the action of liquation inlet 105 shown in the arrow A among the figure.
Therefore, in calciner 102, the stirring of liquation 103 is carried out along arrow B.
The detailed structure of above-mentioned agitating device 101 is shown in Fig. 2.This agitating device 101 is the magnetic line of force (magnetic field) rotation of sending from it by magnet rotation is made haply, under the effect of electromagnetic force, make in the liquation passage components 107 liquation forcibly in Fig. 1 the direction of arrow A flow.In addition, have the air cooling mechanism that is used for cooling off effectively the heat that produces this moment.
Below, agitating device 101 is elaborated.
Among Fig. 2, have loam cake 2 as the urceolus 1 of the housing of non-magnetic part systems such as stainless steel.Inner shaft at this urceolus 1 is supported with the rotary magnet body 4 that can rotate around the axle L of approximate vertical.That is to say following side bearing is arranged in the bottom surface of urceolus 1 installed inside.And, side bearing 6 is being installed on the outer surface of loam cake 2.On the other hand, by the above-mentioned rotary magnet body 4 of 5,6 supportings of these bearings have separate up and down, as the last runner plate 8 of support plate with as the following runner plate 9 of lower support plate, be fixed with betwixt four permanent magnets magnet body 11,11 ...The quantity of these magnet bodies 11 is not limited in four, also can be in addition any amount, for example six etc.From as removed last runner plate 8 figure Fig. 3 as can be known, these magnet bodies 11,11 ... be to show 90 ° arranged spaced greatly.Each magnet body 11,11 ... with each magnet body 11 is inboard and the outside is that magnetic pole, the polarity of N, S alternately disposes every 90 ° of opposite modes.So, form magnetic line of force ML as shown in Figure 3.This magnetic line of force ML passes the liquation in the liquation passage components 107 naturally under the state that is provided with of Fig. 1.In addition, on above-mentioned upper and lower runner plate 8,9, be fixed with last quill shaft 13 and following quill shaft 14 as the upper and lower rotating shaft that is used to make its rotation to run through state.That is to say the air-supply opening 2b that last quill shaft 13 passes loam cake 2.These upper and lower quill shaft 13,14 rotatable earth's axis are bearing on the above-mentioned upper and lower side bearing 6,5.
On above-mentioned loam cake 2, be fixed with the CD-ROM drive motor 15 that is used to drive 4 rotations of rotary magnet body.On the driving shaft 15a of this motor 15, driving side sprocket wheel 16 is installed, on the quill shaft 13 slave end sprocket wheel 17 is installed on above-mentioned.Between this pair of sprocket 16,17 around hanging with the chain 18 that transmission is used.Therefore, rotary magnet body 4 rotates under the driving force effect of above-mentioned CD-ROM drive motor 15.
In addition, on above-mentioned loam cake 2, air blast 19 is installed.The outlet 19a of this air blast 19 is fixed on above-mentioned going up on the quill shaft 13 via pipe joint 22 with connected state.This pipe joint 22 is bearing in connected state with the outlet 19a of the inactive state of the air blast 19 of upside among the quill shaft 13 of the rotation of downside among the figure and the figure.Therefore, from the wind of air blast 19 be horizontally through magnet body 11,11 ... between, and be arranged in air vent 9a, 9a on the following runner plate 9 ... and flow downward in the quill shaft 14 down.And then the flow direction of these wind becomes up, from be arranged in vent 2a, 2a on the loam cake 2 ... and exhaust duct 20,20 ... be discharged in the outer gas.In this process of flowing, the heat that produces on urceolus 1 because of electromagnetic force (vortex flow) is cooled.In addition, urceolus 1 also can be made of heat stable resin.In this case, though there is not a joule thermogenetic spontaneous heating, the cooling that air blast 19 carries out is used for effectively to the photothermal cooling from liquation etc.
So, as mentioned above, in the calciner system 100 shown in Fig. 1, under the effect of agitating device 101, aluminum melt in the liquation passage components 107 is circulation forcibly as shown by arrow A, thereby the liquation in the calciner 102 103 also circulates as shown by arrow B and is stirred.In this agitating device 101, as shown in Figure 2, will send into inside forcibly from the wind of air blast 19.So, along with magnet body 11,11 ... rotation and the Joule heat that on urceolus 1, produces by vortex flow by air cooling from above-mentioned air blast 19.
In addition, in the above-described embodiment, as rotary magnet body 4, show up and down between two runner plates 8,9 with erectility be fixed with four permanent magnets magnet body 11,11 ... example, but be not limited in this structure certainly.That is, so long as get final product as shown in Figure 3 or with its magnet structure that is benchmark produces the structure of the magnetic line of force.
Below, the experiment of carrying out in order to confirm device is illustrated.
The liquation stirring test that devices in accordance with embodiments of the present invention is carried out, making magnetic field intensity is 0.05T, the speed of agitating device 101 is more than the 1Hz, has carried out the stirring of very effective liquation.In addition, according to this experimental result, consuming 0.72kw electric power with aluminum melt per ton can stir fully.And under the situation of existing electromagnetic type agitating device, it consumes electric power is 1.6~3.75kw/ ton.Hence one can see that, and the needed consumption electric power of 1 ton of liquation of the every stirring of device of the present invention reduces significantly.The liquation mixing speed also can reach more than the 40m/min.
Below, different embodiments is illustrated.
Fig. 4,5 agitating devices of representing as embodiments of the invention 401.Can certainly adopt this agitating device 401 to replace the agitating device 101 of Fig. 1.This agitating device 401 constitutes as heat resistant type, for example in impregnated in general calciner, perhaps as from Fig. 6,7 as can be known, is arranged on the furnace wall state use down in the outside slightly of calciner.In addition, can certainly adopt the agitating device 101 of Fig. 2 to replace the agitating device 401 among Fig. 6,7 on the contrary.
This agitating device 401 from Fig. 4,5 as can be known, be with 403 folding and unfoldings of shifting magnetic field generating means in the heatproof container 402 of multiplet of heat resistant type and band cooling device.This heatproof container 402 has urceolus (tube of heat proof material system) 301 and the loam cake 302 as the housing of non-magnetic part systems such as stainless steel.In the inside of this urceolus 301, heat insulation tube 303 and stainless steel cylinder 305 are arranged with the state of core rod folding and unfolding successively.Heat insulation tube 303 and stainless steel cylinder 345 have respectively and cover 304,306.The end of inner most stainless steel cylinder 305, become upper base 309 and 310 the dual end of going to the bottom, and by upper base 309 inside of stainless steel cylinder 305 is divided into upper space 314a and lower space 314b.In addition, on this upper base 309, be equipped with connect this upper base 309, make top, airport 309a, 309a that lower space 314a, 314b are communicated with ...As described later, from air blast 19 through the rotating shaft 322 of hollows send into the lower space 314b tempering air from these airports 309a, 309a ... flow into upper space 314a, outside airport 302a, 304a, 306a flow out to the gas.And, on this upper base 309, lower bearing 312 is installed, in the installed inside of the lid 306 of this stainless steel cylinder 305 upper bearing 313 is arranged.On above-mentioned lid 302,304,306, be equipped with airport 302a, 304a, the 306a that outer gas is communicated with upper space 314a.
Folding and unfolding has rotary magnet body 320 at the shifting magnetic field generating means 403 of heatproof container 402 inside of said structure.Because this rotary magnet body 320 is the shape of general toroidal, so particularly as can be seen from Figure 5, opposed outer peripheral portion is magnetized, and becomes the N utmost point and the S utmost point.Therefore, produce magnetic line of force ML as shown in Figure 5.Even all pass liquation under the situation of this magnetic line of force ML under device 401 states that are immersed in the liquation, near device 401 arranged outside.Therefore, by the rotation of this rotary magnet body 320, magnetic line of force ML moves in the liquation of aluminium etc.Thereby make the liquation rotation.
On this rotary magnet body 320, be fixed with rotating shaft 322 with the fixing hollow of breakthrough status.322 on this rotating shaft is bearing on above-mentioned top, the lower bearing 313,312, and two ends are run through respectively and covered 302,304,306 and go to the bottom 309.So, rotary magnet body 320 can rotate around vertical axle, and outer gas is communicated with above-mentioned lower space 314b.The number of poles of rotary magnet body 320 is not limited in a pair of, also can be two pairs, any right number of poles of three equities.In addition, it is the permanent magnet that one constitutes that rotary magnet body 320 need not, and also can be the bar magnet of arranging a plurality of permanent magnets circle-shapedly, presents the different utmost points in the periphery top-cross wrongly.
As above-mentioned rotary magnet body, can also replace permanent magnet and adopt electromagnet.
On the above-mentioned loam cake 302 of outermost, be fixed with the CD-ROM drive motor 315 that is used to drive these rotary magnet body 320 rotations via erecting bed 315A.On the driving shaft 315a of this motor 315, driving side sprocket wheel 316 is installed, on above-mentioned rotating shaft 322, slave end sprocket wheel 317 is installed, between this a pair of sprocket wheel 316,317 around hanging with the chain 318 that transmission is used.So, shifting magnetic field generating means 403 (rotating shaft 322, rotary magnet body 320) rotates under the driving force effect of above-mentioned CD-ROM drive motor 315.
In addition, externally on (upper surface of perhaps above-mentioned loam cake 302) air blast 319 is installed.This air blast 319 is fixed on the above-mentioned rotating shaft 322 with connected state via pipe arrangement 324, flexible connection pipe 325, pipe joint (not shown).This pipe joint in the drawings among the rotating shaft 322 of the rotation of downside and the figure the non-rotary flexible connection pipe 325 of upside connect into connected state.Therefore, air from air blast 319 flows into lower space 314b through rotating shaft 322, process airport 309a, 309a ... arrive upper space 314a, therebetween on one side from inboard cooling heatproof container 402, on one side outside airport 302a, 304a, 306a flow out to the gas.In addition, above-mentioned stainless steel cylinder 305 also can be made of heat stable resin.In this case, though there is not a joule thermogenetic spontaneous heating, the cooling that air blast 319 carries out is used for effectively to the photothermal cooling from liquation etc.
When the agitating device 401 with said structure is immersed in the general calciner, when making 320 rotations of rotary magnet body, under the effect of the electromagnetic force that the rotation along with the magnetic line of force ML that produces on it produces, liquation is stirred.This moment is owing to the tempering air from air blast 319 also is blown in the heatproof container 402, so stainless steel cylinder 305 is cooled off effectively by this air.That is to say, in this agitating device 401, as shown in Figure 4, sent into the inside of heatproof container 402 forcibly from the air of air blast 319.Therefore, along with the rotation of rotary magnet body 320, cooled off reliably by air from above-mentioned air blast 319 from the Joule heat that on stainless steel cylinder 305, produces because of vortex flow and from the radiant heat of liquation.
Fig. 6 plane earth has represented to assemble the overall structure of the calciner of the present invention system 500 of above-mentioned agitating device 401.Be near being arranged on agitating device 401 outside the furnace wall of calciner 501 haply, by making rotary magnet body 320 rotation on this device 401 make the magnetic line of force (magnetic field) rotation that produces from it, even under the effect of electromagnetic force, make the liquation 502 of liquation in the direction of arrow A flows calciner 501 in the liquation passage components 507 flow and stir forcibly towards the direction of arrow B.
In more detail, calciner 501 can adopt and existing identical calciner.That is to say that this calciner 501 is to drop into blank such as aluminium, heat and make its fusion with various burners (not shown).Have liquation outlet 504 and liquation inlet 505 on one side in the sidewall on this calciner 501 4 limits.The liquation passage components 507 of the refractory material system of U font (perhaps heat proof material system) is communicated with liquation outlet 504 and liquation inlet 505 by bending to roughly.So, the liquation 502 in the calciner 501 flows out from liquation outlet 504, is recycled to the calciner 501 from liquation inlet 505.That is to say that liquation passage components 507 has the function as bypass.
Between the liquation passage components 507 and calciner 501 of above-mentioned U font, roughly the medial surface along above-mentioned liquation passage components 507 disposes above-mentioned agitating device 401.By this agitating device 401, along with the electromagnetic force that the rotation of aforementioned rotary magnet body 320 produces, the liquation in the calciner 501 carries out flowing out from liquation outlet 504 shown in the arrow A among the figure continuously, and circulation is to enter the mouth 505 action of liquation.So, in calciner 501, the stirring of liquation 502 is carried out along arrow B.
Fig. 7 is the example that the outside that is illustrated in liquation passage components 507 also is provided with agitating device 401.In addition identical with Fig. 6.Therefore, identical parts are given identical Reference numeral and omitted its explanation.In addition, agitating device 401 can be provided with quantity arbitrarily in place arbitrarily.
As the device of the embodiment of the invention,,, be very little so only have small-sized air blast 319 and CD-ROM drive motor 315 to consume electric power owing to adopted the permanent magnet that is used to produce magnetic field.After the device of inventive embodiments being assembled in the calciners of 15 tons of sizes below the stove that are called as small-sized stove, having obtained mixing speed is the result of 20-30m/min.Certainly, also can be to move under the state of arbitrary value according to purpose and in this mixing speed.
Under the situation of existing electromagnetic type agitating device, because the coil that a plurality of three-phase alternating currents are set as the magnetic field generating unit, increases so consume electric power, maintenance cost also increases inevitably simultaneously.And in the present invention, no matter in which kind of embodiment, all need not to adopt the coil of three-phase alternating current.Therefore, consume electric power and reduce, maintenance cost is also low simultaneously, and can be assembled in simply in the existing stove.