CN201592074U - Particle forming machine - Google Patents
Particle forming machine Download PDFInfo
- Publication number
- CN201592074U CN201592074U CN2009202608923U CN200920260892U CN201592074U CN 201592074 U CN201592074 U CN 201592074U CN 2009202608923 U CN2009202608923 U CN 2009202608923U CN 200920260892 U CN200920260892 U CN 200920260892U CN 201592074 U CN201592074 U CN 201592074U
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- granule
- forming machine
- dropper
- machine according
- helix tube
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Abstract
The utility model provides a particle forming machine, which comprises a vacuum system, a melting device, a dropping device, a nodulizing former and a collecting device, wherein the melting device, the dropping device, the nodulizing former and the collecting device are arranged in the vacuum system. The melting device is arranged above the dropping device, the dropping device comprises an outlet and a gas inlet disposed at the outlet or above the outlet, the nodulizing former comprises a spiral tube, one end of the spiral tube is connected with the outlet of the dropping device, and the collecting device is arranged below the other end of the spiral tube. The particle forming machine is easy to implement, and saves more equipment cost. Simultaneously, particles manufactured by the particle forming machine are fine in shape, high in sphericity, high in surface finish and yield, fine in grain-size control and uniform in grain size.
Description
Technical field
The utility model relates to a kind of granule-forming machine.
Background technology
In the existing actual production a lot of technologies with spheric granules as basic material, for example in the alloy melting, spheric granules is the basis of realizing extrusion process discontinuous formula melting link, the spheric granules of homogeneous grain diameter helps realizing not destroying ground automatic equipment continuous-feeding under the vacuum condition, improves the production efficiency of alloy cast article.
Existing grain forming technique mainly comprises technology such as spraying, centrifugal, vibration, but all can not satisfy the development of prior art.For example the yield rate of simple centrifugation technique is very low for technology, and particle generally is not easy to completely cut off simultaneously, for a lot of materials of easily oxidations such as alloy, pollution and improper.Using more widely, spray technique generally is as the granulating core preferably with the salt grain, in hyperbar, high hydraulic pressure or hyperacoustic container, atomize, the back is in the but moulding in the medium of water or oil cooling, utilize the temperature difference of boundary to quicken to shrink, but the method generally can be introduced impurity, and yield rate is lower, generally has only about 70%, and the grain diameter of preparation is less, the general particle of preparation particle diameter below 60 orders that only be fit to.The granular mass of preparation oscillation technology preferably generally is that the particle mother liquor is directly introduced dropper, by the mechanism's vibration moulding of dishing out, in protection gas, be cooled to ball, but the surface tension that the drop that oozes after the vibration because its moulding places one's entire reliance upon is conducted oneself with dignity in protection gas, range of application is narrow, the particle that generally is applicable to fusing point lower (below 300 ℃), density is less relative with surface tension low (450dyen/cm) material forms, the yield rate of this technology grain forming is not high yet simultaneously, can not satisfy the development of prior art; Particle is big or small uncontrollable simultaneously, and the grain diameter heterogeneity of moulding is unfavorable for follow-up production; And complex process, the equipment cost of this technology are higher, are unfavorable for extensive use.
Summary of the invention
The utility model is not high for the yield rate that the granule-forming machine that solves prior art prepares shaped granule, grain diameter heterogeneity and technology, shortcoming that equipment cost is high, provide a kind of grain forming yield rate height, grain diameter standard homogeneous, quality is good and lower-cost granule-forming machine, comprise vacuum system, and be arranged in melting appartus, dropper, nodularization shaped device and the gathering-device of vacuum system;
Melting appartus comprises raw materials melt to be the container of particle mother liquor and to be positioned at the heater of container periphery to container heating, and wherein, melting appartus is positioned at the dropper top;
Dropper comprises the gas access of an outlet and discrete particles mother liquor, and wherein, the gas access is positioned at the top of exit or outlet;
The nodularization former comprises helix tube, and wherein, an end of helix tube is connected with the outlet of dropper, and helix tube is positioned at the below of gas access;
Gathering-device is positioned at the other end below of helix tube, is used to collect shaped granule.
Granule-forming machine of the present utility model is simple and easy to realize, has saved equipment cost in a large number.The utility model is realized the free-falling of liquid by helix tube and is well utilized the surface tension of liquid self to shrink shaped granule simultaneously, the grain forming of preparation is better, not only sphericity height, and particle surface fineness, the yield rate height, the grain forming rate is more than 80%.And the grain diameter control of granule-forming machine of the present utility model preparation is better, the grain diameter homogeneous, error remains on ± 5mm in, meet the high technology requirement.And grain forming function of the present utility model prevents the pollution to particle such as outside air, various media, the particle of preparation is purer, quality is higher, when preparing the alloying pellet of very easily oxidation, the alloying component quality of particle also can reach more than 95%, for the subsequent production high quality of products provides guarantee.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the granule-forming machine that provides of the utility model.
The specific embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As accompanying drawing 1, granule-forming machine of the present utility model comprises vacuum system 1, and is arranged in melting appartus 2, dropper 3, nodularization shaped device 4 and the gathering-device 5 of vacuum system 1.
Vacuum system 1 is carried out under vacuum condition for guaranteeing the whole operation process, prevent the pollution of outer bound pair granular materials, particularly to the pollution of the particle mother liquor of molten state, improve the quality of the particle of preparation, for example can realize the ventilation of system is vacuumized by the vavuum pump 11 that is connected with vacuum system 1.
Wherein, melting appartus 2 comprises raw materials melt to be the container 21 of particle mother liquor and to be positioned at the heater 22 of container periphery to container heating, melting appartus 2 is positioned at dropper 3 tops, directly over can being, directly over also can not being, mainly the particle mother liquor of melting appartus 2 can be introduced in the dropper 3 and be got final product, the mode of introducing can adopt and well known to a person skilled in the art variety of way, the utility model can adopt simple inverting container 21 directly the particle mother liquor to be poured in the dropper 3, and method is simple and easy to realize.
Grain forming generally needs not have for example reshaping after the material fusion of powder of rule, therefore generally need container 21 heating, the particle mother liquor that guarantees splendid attire in the container 21 is liquid, generally heater 22 is set in the periphery of container 21, heater 22 can adopt and well known to a person skilled in the art various heaters, for example controlled for the heating homogeneous that ensures to container 21, can adopt the induction coil that is connected with power supply 7, by linking to each other, can easily realize homogeneous and controllable heating to container 21 with control system 6.Power supply 7 can adopt intermediate frequency or power frequency supply etc. to realize temperature controlling.
Dropper 3 comprises a gas access 31 of an outlet 35 and discrete particles mother liquor, and wherein, gas access 31 is positioned at outlet 35 places or exports 35 top.Dropper 3 can be provided with according to those skilled in the art's requirement, for example can be common conduit, is provided with gas access 31 in the bottom of conduit, only needs to disperse to get final product with toppling over the melt granules mother liquor that in the container 21.Gas the utility model can adopt not with the granular materials reaction, to the gas that particle pollutes, and for example for alloy material, can adopt the inert gas of sneaking into trace oxygen, and appropriateness increases the activity of material in the control material oxidation.Can realize the size adjustment of drop by simple adjustment air pressure; by the good discrete particles mother liquor of gas, realize the even dispersion of particle mother liquor, and the particle mother liquor has also been realized protection; prevent that granular materials is contaminated, improve the quality of the particle of preparation.Realize the whereabouts of particle mother liquor simultaneously by gas, not only well protected the particle mother liquor, and particle surface is stressed better, the surface is more smooth.
Wherein, granule-forming machine also comprises tracheae 8 and the feeder 9 that is connected with an end of tracheae 8; the other end of tracheae 8 is connected with gas access 31; realization not only realizes to the protection of particle mother liquor but also as discrete particles mother liquor and the power source of realizing that the particle mother liquor falls the air feed of dropper 3.
Be liquid homogeneous and the even whereabouts that guarantees the particle mother liquor, the utility model can be preferably also be connected with conical nozzle 32 between an end of the outlet 35 of dropper and helix tube, wherein, gas access 31 is positioned at conical nozzle 32 tops, and the particle mother liquor that is better than gas dispersion most just falls into conical nozzle 32.Conical nozzle 32 is an annular, and the tapering of preferred conical nozzle 32 is 1: 1.87 to 1: 0.87, a plurality of minim pipettes can be set in the inside of conical nozzle 32 further optimize the utility model, the buffering and the whereabouts of more excellent realization dispersed particles mother liquor.
Continuous for guaranteeing the particle mother liquor in the dropper 3, and stifled passage and the polluted product matched of the particle that prevents a small amount of cooling curing, reduce productive rate and yields, damage equipment, the utility model also preferably dropper 3 comprise the buffers packet 33 that is positioned at the top, and buffers packet 33 outer periphery having heaters 34, heater 34 can adopt and well known to a person skilled in the art various heaters, for example can adopt the induction coil identical with the heater 22 of container 21 peripheries, also can be different, heater 34 is connection control system 6 directly, realizes the temperature control to buffers packet 33.
Nodularization former 4 comprises helix tube, and an end of helix tube is connected with the outlet 35 of dropper, and helix tube is positioned at the below of gas access 31, realizes that dispersed particles mother liquor and gas directly enter helix tube.Helix tube the utility model can be preferably the pipeline 41 that comprises that multistage is inclined relative to horizontal, the formation bending tube that joins end to end by pipeline, constantly fall to cooling off in bending tube by the dispersed particles mother liquor, realize the particle moulding, bending tube is optimized the surface tension of particle mother liquor, make the surface of particle more even, more perfect, grain diameter evener.The utility model preferably helix tube comprises the pipeline that the 3-5 section is inclined relative to horizontal, and can optimize the time of particle moulding, optimizes the pattern of particle.The utility model can preferred pipeline and the acute angle angle of horizontal plane be 15～20 °, by the angle that tilts, optimize the path of particle mother liquor free-falling etc., not only further optimized the time of particle moulding, and optimized the drip gauge surface tension of particle mother liquor from different perspectives, further improve the quality of particle, improve the yield rate of grain forming.Material the utility model of helix tube is not particularly limited, and can adjust according to granular materials, for example for alloy material, can adopt stainless steel tube.
Gathering-device 5 is positioned at the other end below of helix tube, is used to collect shaped granule, and shape and material can adopt and well known to a person skilled in the art different shape and material.
The utility model also can comprise a control system 6, control system 6 can be controlled toppling over of container 21, the temperature of control container 21, the temperature of control buffers packet 33, the air pressure at control 31 places, gas access etc., device of the present utility model is intelligent, not only make particle moulding machine of the present utility model simple and easy to control, simultaneously also make the product of final preparation easy to control, prevent the error that human factor causes.Control system 6 can be connected with the part of actual needs control, and for example as needing control melting appartus 2 to topple over, control system 6 can be connected with melting appartus 2.
Specific embodiment below in conjunction with the preparation Amorphous Alloy Grain is done more detailed description to the utility model.
Embodiment 1
With the Zr of purity more than 99.9%, Cu, the Ni simple metal is by 53.8: 42: 4.2 proportionings of alloying component, insert in the vessels crucible 21, airtight vacuum system 1, with vavuum pump 11 it is evacuated to 100Pa, open 21 heating of 22 pairs of containers of high frequency electric source 7 usefulness heaters, the infrared monitoring that control system 6 realizes container 21, satisfying smelting temperature is 850 ℃, by control system 6 slow tilt containers 21 molten alloy is poured in the buffers packet 33, before beginning, this process opens the high pressure gas valve in the tracheae 8 about 5s, regulation and control system control gas access 31 place's gas pressures, gas is at the uniform velocity sprayed, the heater 34 that starts buffers packet 33 simultaneously is to guarantee not cool off stifled match passage after molten alloy enters buffers packet 33 rapidly.Be separated into uniform liquid group by inert gas with freely falling into the ground molten alloy at conical nozzle 32 places, liquid group's spiral in the bending tube of being made up of the pipeline 41 of three sections inclinations descends and cooling, be punctured into spheric granules by self surperficial free tension force effect, finally fall into gathering-device 5, screening, the grain forming rate is 85%, and particle surface is smooth, and particle size distribution is 15～20mm.Adopt ICP, infrared fixed keto device beta alloy composition, the alloying component quality of particle is 96%.
Granule-forming machine of the present utility model is simple and easy to realize, has saved equipment cost in a large number.Grain forming with granule-forming machine preparation of the present utility model is better, not only sphericity height, and particle surface fineness, and the yield rate height, the grain forming rate is more than 80%.And the grain diameter control of granule-forming machine preparation of the present utility model is better, the grain diameter homogeneous, and error is less, meets the high technology requirement.Grain forming function of the present utility model prevents the pollution to particle such as outside air, various media simultaneously, the particle of preparation is purer, quality is higher, when preparing the alloying pellet of very easily oxidation, the alloying component quality of particle also can reach more than 95%, for the subsequent production high quality of products provides guarantee.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a granule-forming machine is characterized in that, comprises vacuum system, and is arranged in melting appartus, dropper, nodularization shaped device and the gathering-device of vacuum system;
Described melting appartus comprises raw materials melt to be the container of particle mother liquor and to be positioned at the heater of container periphery to container heating, and described melting appartus is positioned at the dropper top;
Described dropper comprises the gas access of an outlet and discrete particles mother liquor, and described gas access is positioned at the top of exit or outlet;
Described nodularization former comprises helix tube, and an end of described helix tube is connected with the outlet of dropper, and described helix tube is positioned at the below of gas access;
Described gathering-device is positioned at the other end below of helix tube, is used to collect shaped granule.
2. granule-forming machine according to claim 1 is characterized in that described helix tube comprises the pipeline that multistage is inclined relative to horizontal, the formation bending tube that joins end to end of described pipeline.
3. granule-forming machine according to claim 2 is characterized in that described helix tube comprises the pipeline that the 3-5 section is inclined relative to horizontal.
4. according to claim 2 or 3 described granule-forming machines, it is characterized in that the acute angle angle of described pipeline and horizontal plane is 15～20 °.
5. granule-forming machine according to claim 1 is characterized in that, also is connected with conical nozzle between the end of the outlet of described dropper and helix tube, and described gas access is positioned at the top of conical nozzle.
6. granule-forming machine according to claim 5 is characterized in that, the tapering of described conical nozzle is 1: 1.87 to 1: 0.87.
7. granule-forming machine according to claim 1 is characterized in that described dropper also comprises the buffers packet that is positioned at the top, described buffers packet outer periphery having heaters.
8. granule-forming machine according to claim 1 is characterized in that, described granule-forming machine also comprises tracheae and the feeder that is connected with an end of tracheae, and the other end of described tracheae is connected with the gas access.
9. granule-forming machine according to claim 1 is characterized in that, described granule-forming machine also comprises the control system that the control melting appartus is toppled over, and described control system is connected with melting appartus.
10. granule-forming machine according to claim 1 is characterized in that, described heater is the induction coil that is connected with power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202608923U CN201592074U (en) | 2009-11-28 | 2009-11-28 | Particle forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202608923U CN201592074U (en) | 2009-11-28 | 2009-11-28 | Particle forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201592074U true CN201592074U (en) | 2010-09-29 |
Family
ID=42774137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202608923U Expired - Fee Related CN201592074U (en) | 2009-11-28 | 2009-11-28 | Particle forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201592074U (en) |
-
2009
- 2009-11-28 CN CN2009202608923U patent/CN201592074U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20151128 |