CN102051495A - Method for stirring titanium-5 boron nitride fake alloy liquid - Google Patents
Method for stirring titanium-5 boron nitride fake alloy liquid Download PDFInfo
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- CN102051495A CN102051495A CN 201010599515 CN201010599515A CN102051495A CN 102051495 A CN102051495 A CN 102051495A CN 201010599515 CN201010599515 CN 201010599515 CN 201010599515 A CN201010599515 A CN 201010599515A CN 102051495 A CN102051495 A CN 102051495A
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Abstract
The invention discloses a method for stirring titanium-5 boron nitride fake alloy liquid, belonging to the field of study on stirring of the titanium-5 boron nitride fake alloy liquid. In the invention, a method comprising a straight blade crucible and electromagnetic stirring is adopted, under the conditions that the straight blade crucible is forwardly inclined to form an angle beta of 15-17 degrees in the straight blade direction, and upwardly inclined to form an angle gamma of 56-58 degrees in the width direction, the titanium-5 boron nitride fake alloy liquid is stirred, thereby rapidly achieving the even distribution of boron nitride particles, wherein the stirring time is shortened to 7 minutes.
Description
Technical field
The present invention relates to the stirring means of a kind of titanium-5 boron nitride false-alloy liquid.
Background technology
Publication number: CN1919433, denomination of invention: on " a kind of lightweight solid particle false-alloy liquid stirring means and device of containing ", set forth the stirring means of aluminum-7 plumbago false-alloy liquid, that is, adopting conventional rotating electromagnetic stirring to be furnished with the straight blade plumbago crucible mode that combines with inwall stirs the aluminum-7 plumbago false-alloy liquid that contains the 7wt% graphite granule.In this straight blade crucible+electromagnetic agitation method, rotating electromagnetic stirs the circumferential telescopic movement that makes the false-alloy liquid generation rule, straight blade on the crucible inwall has then changed the circumferential telescopic movement state of rule of false-alloy liquid, forward angle of inclination beta has applied outside reactive force to false-alloy liquid on the blade length direction, and false-alloy liquid has been produced from crucible inside to the additional telescopic movement of outside; And the pitch angle γ that makes progress on width has applied downward reactive force to false-alloy liquid, false-alloy liquid has been produced from crucible top to the additional telescopic movement of bottom, like this, by stir can be constantly the false-alloy liquid of inside be moved on to around, the false-alloy liquid on top is moved on to the bottom, and then stoped in the false-alloy liquid particulate come-up and central authorities are poly-partially moves.Disclosed β is that 20～30 °, γ are under 35～50 ° of conditions in patent CN1919433, and the particle in the false-alloy liquid is exactly to rely on 10～15 minutes additional telescopic movement to realize uniform distribution.
Titanium-5 boron nitride false-alloy liquid is the false-alloy liquid that contains 5wt% boron nitride particle and 95wt% titanium liquid, stirring for titanium-5 boron nitride false-alloy liquid, because especially the difference between the density is bigger than the difference of aluminium and graphite granule for the rerum natura of titanium and boron nitride particle, graphite density is 1.9～2.2g/cm
3, aluminium liquid density is 2.6～2.8g/cm
3, titanium liquid density is 4.3～4.6g/cm
3, boron nitride density is 2.1～2.3g/cm
3, therefore realize that the uniform distribution of boron nitride particle in titanium-5 boron nitride false-alloy liquid is more difficult, that is to say, be used for realizing that boron nitride particle can be longer in the equally distributed churning time of titanium-5 boron nitride false-alloy liquid.
For titanium-5 boron nitride false-alloy liquid, realizing under the equally distributed prerequisite of boron nitride particle, the time that is used to stir is short more, energy consumption is more little, cost is low more, and the pollution that titanium-5 boron nitride false-alloy liquid is subjected to is also few more, and its quality is high more, therefore can realize that the churning time of boron nitride particle equally distributed titanium-5 boron nitride false-alloy liquid is short more good more.
Summary of the invention
Technical problem to be solved by this invention is, overcome the deficiency of existing stirring means " churning time is long ", a kind of stirring means that can realize boron nitride particle equally distributed titanium-5 boron nitride false-alloy liquid fast is provided, further shortens and realize the equally distributed churning time of boron nitride particle.
The technical solution adopted for the present invention to solve the technical problems is: adopt straight blade crucible+electromagnetic agitation method, the γ that is inclined upwardly on the β that turns forward on the straight blade length direction is 15～17 °, width under 56～58 ° the condition, stirs titanium-5 boron nitride false-alloy liquid.
The invention has the beneficial effects as follows: for the particle in the false-alloy liquid, want to finish as early as possible its dispersion in false-alloy liquid, must strengthen stirring intensity.In straight blade crucible+electromagnetic agitation method, increase along with blade γ, the intensity of variation of the telescopic movement state of false-alloy liquid after flowing through blade increases gradually, when γ increases to certain value, except producing additional telescopic movement, also will produce the additional turbulent motion of false-alloy liquid, should have profound part stirring and dissemination to the particle in the false-alloy liquid by additional turbulent motion, the present invention utilizes the additional turbulent motion that produces after β and the γ optimum combination further to promote the uniform distribution of boron nitride particle in false-alloy liquid, thereby has reached the purpose that shortens churning time.Utilize the present invention, titanium-5 boron nitride false-alloy liquid is stirred, realize that the equally distributed churning time of boron nitride particle can shorten to 7 minutes, shortened 30% at least again than the shortest churning time of CN1919433 patent.
Description of drawings
Fig. 1 stirs the front view of titanium-5 boron nitride false-alloy liquid device for the inventive method.
Among the figure, electromagnetic pole is to 1, ceramic crucible 2, and straight blade 3, loam cake 4, Ar tracheae 5 stops up 6, outer cover 7, false-alloy liquid 8, underframe 9.
Fig. 2 stirs the A-A partial view of titanium-5 boron nitride false-alloy liquid device for the inventive method.
Fig. 3 stirs the B-B partial view of titanium-5 boron nitride false-alloy liquid device for the inventive method.
Fig. 4 is the microtexture of the titanium-5 boron nitride false-alloy liquid of employing the inventive method stirring.
Embodiment
As follows to specifying of the inventive method stirring titanium-5 boron nitride false-alloy liquid device in conjunction with the accompanying drawings:
The whipping appts of titanium-5 boron nitride false-alloy liquid comprises: rotating electromagnetic whipping appts, ceramic crucible 2, loam cake 4, Ar tracheae 5, obstruction 6, underframe 9.
Three pairs of electromagnetic poles of rotating electromagnetic whipping appts are distributed on around the ceramic crucible 21, and the distance between the ceramic crucible outer wall is 5mm, and electromagnetic pole adds outer cover 7 to 1 outside.
The stirring means of a kind of titanium-5 boron nitride false-alloy liquid, adopting straight blade crucible+electromagnetic agitation method promptly to adopt conventional rotating electromagnetic stirring to be furnished with the straight blade crucible mode that combines with inwall stirs the titanium-5 boron nitride false-alloy liquid that contains the 5wt% boron nitride particle, utilize rotating electromagnetic to stir and make titanium-5 boron nitride false-alloy liquid produce circumferential movement, utilize the straight blade on the crucible inwall, around constantly titanium-5 boron nitride the false-alloy liquid of inside being moved on to, titanium-5 boron nitride the false-alloy liquid on top is moved on to the bottom, thereby stop the poly-partially motion of come-up and central authorities of boron nitride particle, obtain boron nitride particle equally distributed titanium-5 boron nitride false-alloy liquid, may further comprise the steps:
Embodiment one, the β that turns forward on the straight blade length direction are to be inclined upwardly γ on 17 °, width when being 56 °, realize that the equally distributed churning time of boron nitride particle is 6 minutes and 40 seconds.
Embodiment two, the β that turns forward on the straight blade length direction are to be inclined upwardly γ on 16 °, width when being 57 °, realize that the equally distributed churning time of boron nitride particle is 6 minutes and 30 seconds.
Embodiment three, the β that turns forward on the straight blade length direction are to be inclined upwardly γ on 17 °, width when being 58 °, realize that the equally distributed churning time of boron nitride particle is 7 minutes.
Embodiment four, the β that turns forward on the straight blade length direction are to be inclined upwardly γ on 15 °, width when being 58 °, realize that the equally distributed churning time of boron nitride particle is 6 minutes and 40 seconds.
Embodiment five, the β that turns forward on the straight blade length direction are to be inclined upwardly γ on 15 °, width when being 56 °, realize that the equally distributed churning time of boron nitride particle is 6 minutes and 50 seconds.
As seen, the γ that is inclined upwardly on the β that turns forward on the straight blade length direction is 15～17 °, width is under 56～58 ° of conditions, and titanium-5 boron nitride false-alloy liquid is stirred, and realizes that the equally distributed churning time of boron nitride particle can shorten to 7 minutes.
Claims (1)
1. the stirring means of titanium-5 a boron nitride false-alloy liquid, adopting straight blade crucible+electromagnetic agitation method promptly to adopt conventional rotating electromagnetic stirring to be furnished with the straight blade crucible mode that combines with inwall stirs the titanium-5 boron nitride false-alloy liquid that contains the 5wt% boron nitride particle, utilize rotating electromagnetic to stir and make titanium-5 boron nitride false-alloy liquid produce circumferential movement, utilize the straight blade on the crucible inwall, around constantly titanium-5 boron nitride the false-alloy liquid of inside being moved on to, titanium-5 boron nitride the false-alloy liquid on top is moved on to the bottom, thereby stop the poly-partially motion of come-up and central authorities of boron nitride particle, obtain boron nitride particle equally distributed titanium-5 boron nitride false-alloy liquid, may further comprise the steps:
Step 1 is poured false-alloy liquid into ceramic crucible;
Step 2 covers loam cake, connects Ar gas with anti-oxidation;
Step 3 starts the rotating electromagnetic whipping appts false-alloy liquid in the ceramic crucible is stirred;
It is characterized in that the straight blade β that turns forward in the longitudinal direction is 15～17 °, the γ that is inclined upwardly on width is 56～58 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010599515 CN102051495A (en) | 2010-12-22 | 2010-12-22 | Method for stirring titanium-5 boron nitride fake alloy liquid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010599515 CN102051495A (en) | 2010-12-22 | 2010-12-22 | Method for stirring titanium-5 boron nitride fake alloy liquid |
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| CN 201010599515 Pending CN102051495A (en) | 2010-12-22 | 2010-12-22 | Method for stirring titanium-5 boron nitride fake alloy liquid |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919433A (en) * | 2006-08-16 | 2007-02-28 | 北京交通大学 | Agitation method and apparatus for fake alloy liquid comprising lightweight solid particle |
| CN101475239A (en) * | 2009-01-12 | 2009-07-08 | 上海环境保护有限公司 | Automatic feeding apparatus preparing pool for powdered activated charcoal |
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2010
- 2010-12-22 CN CN 201010599515 patent/CN102051495A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919433A (en) * | 2006-08-16 | 2007-02-28 | 北京交通大学 | Agitation method and apparatus for fake alloy liquid comprising lightweight solid particle |
| CN101475239A (en) * | 2009-01-12 | 2009-07-08 | 上海环境保护有限公司 | Automatic feeding apparatus preparing pool for powdered activated charcoal |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20110511 |