CN101863464B - Air-flow vortex balling machine for producing spherical graphite - Google Patents
Air-flow vortex balling machine for producing spherical graphite Download PDFInfo
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- CN101863464B CN101863464B CN200910172762A CN200910172762A CN101863464B CN 101863464 B CN101863464 B CN 101863464B CN 200910172762 A CN200910172762 A CN 200910172762A CN 200910172762 A CN200910172762 A CN 200910172762A CN 101863464 B CN101863464 B CN 101863464B
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Abstract
The invention discloses an air-flow vortex balling machine for producing spherical graphite, which consists of a machine body, a balling drive device and an internal classification machine drive device, wherein an internal classification machine, a powder balling module and a cooling system are arranged in the machine body. In the invention, an internal balling module and a classification module are rationally arranged, and thus, the air-flow vortex balling machine for producing the spherical graphite is provided. The air-flow vortex balling machine can ensure that the graphite powder undergoes the physical processes of thinning, shearing, collision, friction, coiling, uniting and densification in an air-flow vortex balling room or can realize the combination of a physical balling process and a mechanical powder thinning process to prepare the spherical product. The indexes, such as sphericity, grain fineness distribution, tap density, apparent density, actual density and special surface area, of the spherical graphite powder can be controlled in the range of pre-determined values; the quality is stable; the yield can be improved by over three times; and over 50 percent of energy consumption can be reduced.
Description
Technical field
The present invention relates to a kind of air-flow vortex balling machine, specifically be exclusively used in the air-flow vortex balling machine of producing spherical graphite.
Background technology
At present, the disintegrating apparatus that is used to produce the common graphite powder is more, and its kind is also comparatively mixed and disorderly, still, is exclusively used in the equipment of producing the spherical graphite powder and does not also come out.In recent years; Discrete manufacturing enterprise is arranged for producing the spherical graphite powder, the equipment of producing the common graphite powder is transformed, but its production effect is bad; The product that makes does not reach the index request of spherical graphite far away; Particularly indexs such as sphericity, particle size distribution, tap density, loose density, true density, specific surface area can't realize the technical requirements that the user is required, on certain degree, have restricted China and in the world to the application of spherical graphite, have restricted the demand of special industry.The major cause of studying carefully its technical elements is: what adopt because of general Graphite Powder 99 (not comprising spherical graphite) is the principle of mechanical disintegration, and the technical scheme of promptly taking is that Graphite Powder 99 is pulverized with mechanical mode, makes macrobead become small-particle and gets final product.The Graphite Powder 99 that mechanical system is pulverized out, its particulate state is irregular shape, flaky, leg-of-mutton, type spheroidal being mingled in together; With regard to the distribution of granularity, because of the technical factor of equipment makes Granularity Distribution not of uniform size, also difficulty very during sub-sieve, for this reason, the product that makes can only use as general material.Can not make the concrete defective of spherical graphite from existing installation; The difficult problem of its technical puzzlement is embodied in following aspect: the one,, the crushing chamber of equipment or the design of nodularization chamber are unreasonable, and the opening for feed of general device and discharge port all are arranged on the crushing chamber;, material directly implements to pulverize after getting at crushing chamber; In very short time, discharge, only form the shattering process of machinery, lack the process of physical impacts and reunion from discharge port; The 2nd; Mill and Tool Design are unreasonable; General equipment all adopts the principle of work of " crusher " mill, cutter is arranged on the last plane of mill, when material directly falls on the last plane of mill after crusher chamber gets into; Mill can only make material above mill, carry out fragmentation or motion in rotating, and the cutter on its mill can only be implemented partial shearing; The 3rd,, general equipment adopts higher spinner velocity, and people generally believe that high more its broken effect of speed is good more, really not so in fact.The problems referred to above are in the current graphite preparation, seriously restrict technician's development key factor in present technique field, also are the key factors that hinders preparation spherical graphite technology.
Summary of the invention
The deficiency that the object of the invention is intended to solve the problems of the technologies described above provides a kind of air-flow vortex balling machine of producing spherical graphite that is exclusively used in, this equipment can make Graphite Powder 99 in the indoor realization refinement of air-flow vortex balling, shearing, collision, friction, curl, reunion, closely knit physical process; Or realize that physics nodularization process combines with mechanical powder thinning process; To realize that the product that makes is a sphere, indexs such as the sphericity of its spherical graphite powder, size-grade distribution, tap density, loose density, true density, specific surface area all can be controlled in the scope of prior set(ting)value steady quality; Output can improve more than 3 times; Can realize full automatic control, greatly reduce production costs that the airtight performance of equipment is good; No dust leaks, and noise is little.
The present invention is for solving the problems of the technologies described above; The technical scheme that is adopted is: be used to produce the air-flow vortex balling machine of spherical graphite, be made up of body, nodularization transmission mechanism and internal classification machine transmission mechanism, be provided with opening for feed in the lower end of body; Top at body is provided with discharge port; Being provided with gear ring at body inwall middle part, is the Flow of Goods and Materials chamber between the lower surface of gear ring and the body bottom surface, is the nodularization chamber between the lower surface of gear ring and the body end face; In the Flow of Goods and Materials chamber, be provided with a sealing member; Be provided with a powder nodularization rotating disk in the upper end of sealing member; The circumferential end surfaces and the gear ring of powder nodularization rotating disk are relative; Plane one all equidistance are provided with the powder cutter on the circumference of powder nodularization rotating disk, and the quantity of powder cutter is 5-10, and 1/3rd of powder cutter length is stretched out powder nodularization rotating disk; Powder nodularization rotating disk is fixed in the rotating shaft, and rotating shaft is provided with bearing and chock, and rotating shaft, bearing and chock are arranged in the sealing member, is an airtight cavity between sealing member and chock, in cavity, is provided with mobile quench liquid capable of circulation; At indoor flow splitter and the internal classification machine of being provided with of nodularization, the internal classification machine is arranged in the flow splitter.
The present invention, described opening for feed is communicated with the nodularization chamber by the gap of Flow of Goods and Materials chamber between gear ring and powder nodularization rotating disk.
The present invention, described discharge port communicates with the nodularization chamber through flow splitter.
The present invention, described nodularization transmission mechanism is made up of motor, transmission belt and rotating shaft.
The present invention, described internal classification machine transmission mechanism is made up of the dynamo-electric machine of internal classification, transmission belt and the rotating shaft of internal classification machine.
The present invention, the outer face of said powder cutter and the gap between the gear ring are 1mm～30mm.
The present invention, described gear ring, the height of gear ring are 80-115mm, and the diameter of gear ring is 450-500mm, and the surface is gone up equidistance and vertically is provided with many convexo-concave tooth bars within it, and the tooth bar number is 60-90, the thickness of tooth bar is 1-2.5mm.
The invention has the beneficial effects as follows:
For proving absolutely beneficial effect of the present invention, under the prior art that does not have constructed field situation relatively,, make following compartment analysis with the contrast of the prior art in the present invention and the correlative technology field.
One of difference of the prior art in the present invention and the correlative technology field is; Cavity in the air-flow vortex balling machine is set to nodularization chamber and following Flow of Goods and Materials chamber; Its material inlet is arranged on the bottom of flow chamber; When material when inlet flows to the nodularization chamber, must upwards flow from the flow chamber of bottom, in process of flowing upwards; The unique path that material flowed to is the gap between nodularization rotating disk and the gear ring, has realized promptly that Graphite Powder 99 rubs, shears, collides, curls in the path that flows to the nodularization chamber, reunion, closely knit first process.
Two of the difference of the prior art in the present invention and the correlative technology field is; The outlet of product is arranged on the top of nodularization chamber; When Graphite Powder 99 flows to outlet; Must be through flow splitter and the last grading machine that is provided with in the nodularization chamber, Graphite Powder 99 under the effect of flow splitter and last grading machine, must be again through collision, the friction of nodularization chamber curl, behind the plural process of reunion, closely knit reunion; Separate the qualified particle in back with last grading machine by flow splitter again and discharge, fail that qualified particle is proceeded to rub, shears, collides, curled, reunion, closely knit process.
Three of the difference of the prior art in the present invention and the correlative technology field is, the set-up mode of cutter, and promptly cutter is arranged on nodularization rotating disk end; 1/3rd of its powder cutter length is stretched out powder nodularization rotating disk, and the outer face of powder cutter and the gap between the gear ring are 1mm～30mm, and the height of described gear ring is 80-115mm; Its diameter is 450-500mm; The surface is gone up equidistance and vertically is provided with many convexo-concave tooth bars within it, and the tooth bar number is 60-90, and the thickness of tooth bar is 1-2.5mm.Through being set, above parameter effectively controlled the Graphite Powder 99 mobile speed that makes progress from the bottom; Effectively controlled Graphite Powder 99 friction, shearing, collision, curl, reunion, closely knit quality; To realize that the product that makes is a sphere; And indexs such as the sphericity of the graphite products after producing, size-grade distribution, tap density, loose density, true density, specific surface area all can be controlled in the scope of prior set(ting)value steady quality.
Four of the difference of the prior art in the present invention and the correlative technology field is; The cooling system of the rotating shaft in the air-flow vortex balling machine, bearing and chock; After being set, this cooling system can effectively reduce the intravital temperature of machine; Its effect has two, one, can reduce the temperature of internal body, guarantees that Graphite Powder 99 carries out the physics process in desired steady temperature scope; The 2nd, can reduce rotating shaft, bearing and chock temperature, reduce the failure rate of rotor, guarantee that equipment can realize long running.
Prior art contrast in the present invention and the correlative technology field can improve productive rate more than 3 times; The product that can realize making is for spherical, and indexs such as the sphericity of its spherical graphite powder, size-grade distribution, tap density, loose density, true density, specific surface area all can be controlled in the scope of prior set(ting)value, can satisfy requirements of different users; Can realize full automatic control; The airtight performance of equipment is good, and no dust leaks, and noise is little; Can realize cutting down the consumption of energy more than 50%, greatly reduce production costs; This equipment can be realized many days continuous operation, and is safe and reliable.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Mark among the figure: 1, body, 2, the nodularization transmission mechanism, 3, internal classification machine transmission mechanism, 4, opening for feed, 5, discharge port, 6, gear ring; 7, powder nodularization rotating disk, 8, rotating shaft, 9, bearing, 10, chock, 11, sealing member, 12, the powder cutter; 13, flow splitter, 14, the nodularization chamber, 15, motor, 16, the dynamo-electric machine of internal classification, 17, the rotating shaft of internal classification machine; 18, internal classification machine, 19, the Flow of Goods and Materials chamber, 20, cavity, 21, transmission belt, 22, transmission belt.
Embodiment
As shown in the figure; Be used to produce the air-flow vortex balling machine of spherical graphite, form, be provided with opening for feed 4 in the lower end of body 1 by body 1, nodularization transmission mechanism 2 and internal classification machine transmission mechanism 3; Be provided with discharge port 5 on the top of body 1; Being provided with gear ring 6 at body 1 inwall middle part, is Flow of Goods and Materials chamber 19 between the lower surface of gear ring 6 and body 1 bottom surface, is nodularization chamber 14 between the lower surface of gear ring 6 and body 1 end face; In Flow of Goods and Materials chamber 19, be provided with a sealing member 11; Be provided with a powder nodularization rotating disk 7 in the upper end of sealing member 11; The circumferential end surfaces of powder nodularization rotating disk 7 is relative with gear ring 6; Plane one all equidistance are provided with powder cutter 12 on the circumference of powder nodularization rotating disk 7, and the quantity of powder cutter is 5-10, and 1/3rd of powder cutter 12 length are stretched out powder nodularization rotating disk 7; Powder nodularization rotating disk 7 is fixed in the rotating shaft 8; Rotating shaft 8 is provided with bearing 9 and chock 10; Rotating shaft 8, bearing 9 and chock 10 are arranged in the sealing member 11, between sealing member 11 and chock 10, are an airtight cavity 20, in cavity 20, are provided with mobile quench liquid capable of circulation; In nodularization chamber 14, be provided with flow splitter 13 and internal classification machine 18, internal classification machine 18 is arranged in the flow splitter 13.
The present invention, described opening for feed 4 is communicated with nodularization chamber 14 by the gap of Flow of Goods and Materials chamber 19 between gear ring 6 and powder nodularization rotating disk 7.
The present invention, described discharge port 5 communicates with nodularization chamber 14 through flow splitter 13.
The present invention, described nodularization transmission mechanism 2 is made up of motor 15, transmission belt 21 and rotating shaft 8.
The present invention, described internal classification machine transmission mechanism 3 is made up of the dynamo-electric machine 16 of internal classification, transmission belt 22 and internal classification machine rotating shaft 17.
The present invention, the gap between the outer face of said powder cutter 12 and the gear ring 6 is 1mm～30mm, and said powder cutter 12 can be selected high-abrasive materials such as steel alloy, pottery or cast iron for use, and powder cutter 12 shapes can be rectangular parallelepiped.
The present invention, described gear ring 6, its diameter 470mm; It highly is 100mm, and the surface is gone up equidistance and vertically is provided with many convexo-concave tooth bars within it, and the tooth bar number is 72; The thickness of tooth bar is 1.6mm, and described gear ring can be selected high-abrasive materials such as steel alloy, pottery or cast iron for use.
The present invention, it is conical that described flow splitter 13 is, and there is opening at two ends; Open upper end is greater than lower ending opening; Described flow splitter upper end is arranged on the discharge port place through support, and the upper wall of its upper surface and nodularization chamber is apart from being 20-35mm, when heavier particle is got rid of to discharge port by impeller cf-; Can get into nodularization chamber, circular treatment along the place, slit of flow splitter upper end.
The present invention adopts cutting of powder cutter and high velocity air to impact; Collide dual processing capacity in one, in powder cutter cutting process, material is in the powder cutter of powder nodularization rotating disk and friction, the collision between the gear ring; Powder nodularization rotating disk generation high velocity air rotates with powder cutter cut direction simultaneously; Material quickens in air-flow, and produces high velocity impact with fixed gear ring, makes that natural scale is implemented collision, shearing, gas current friction, curled in inferior process, reunion, action such as closely knit; Circulation impact makes material receive dual powder refinement simultaneously repeatedly, quickens the powder refinement rate of material.At first graphite granule is disperseed rapidly earlier under the rotor effect of high speed rotating, constantly receives the powerful impact of powder cutter, gear ring and high velocity air, the effects such as mutual collision, friction and shearing between the particle simultaneously.Graphite granule is by constantly circulation, and within a short period of time, the out-of-shape graphite granule was treated to spherical or subsphaeroidal particle, and the drive-motor rotating speed is 3000r/min, and the treatment time is 10 or 15min.Obvious variation has all taken place in micro crystal graphite and crystalline flake graphite coating of particles before and after handling, and particle surface has short grained adhesion.Therefore the formation mechanism of deducibility spheroidization is: it is crooked, superimposed that (1) is in the starting stage that the crystalline flake graphite micro powder granule is hit, and grinds simultaneously to make sharp-pointed corner angle fracture; (2) crystalline flake graphite micro mist balling-up gradually, but fine particle increases; (3) fine particle is adsorbed on the macrobead; (4) fine particle is fixed and is embedded continued and is hit, and the spherical graphite micro mist is closely knit gradually.Also being to be to impact thinning process the starting stage, is adhesion and the secure dense process of a small amount of fine particle on the coarse particles surface then.Small-particle is adsorbed on large particle surface and mainly occurs in the initial several minutes, and firmly absorption mainly occurs in the back several minutes of shaping, mainly adsorbs with Van der Waals force and electrostatic attraction between the particle.
The present invention is provided with flow splitter 13 and internal classification machine 18 at the discharge port place of nodularization chamber, one of which, steady air flow quicken the refinement of material powder, nodularization, makes material implement to be prone to be processed into sphere after the actions such as air-flow friction, reunion; Two, the classification after the preliminary nodularization of completion, grading effect is good, and flow splitter is divided into two with the nodularization chamber; Nodularization chamber and the grading room that is made up of the space that flow splitter surrounds, internal classification machine are arranged in the grading room and by variable-frequency motor and drive, and described internal classification machine comprises a rotatable impeller; Driven by motor impeller high speed rotating forms powerful cf-, under action of centrifugal force in grading room; Big or heavy particle centrifugalization power is big, thus got rid of to the flow splitter periphery, and no longer receive the influence of cf-; Perhaps indoor fixed gear ring produces high velocity impact, impact to material with being arranged on nodularization; Perhaps fall into and continue powder in the powder dish, little or light material receives centrifugal action little, suspends in the center of impeller; The negative pressure that provided by the negative pressure vacuum fan influences and is brought to eminence, moves in next assembly by classification or collection along pipeline.The material of every grade of output is found its distribution particle diameter by Quality Inspector's sampling observation, through the size that the rotating speed and the air quantity stool and urine of variable frequency adjustment internal classification machine can be adjusted cf-in the grading room, reaches the purpose of the material of tentatively telling designated size.
More than can know; This equipment can make Graphite Powder 99 in the indoor realization refinement of nodularization, shearing, collision, friction, curl, reunion, closely knit physical process; Or realize that physics nodularization process combines with the mechanical disintegration process; To realize that the product that makes is a sphere, indexs such as the sphericity of its spherical graphite powder, size-grade distribution, tap density, loose density, true density, specific surface area all can be controlled in the scope of prior set(ting)value steady quality; Productive rate can improve more than 3 times; Can realize full automatic control; The airtight performance of equipment is good, and no dust leaks, and noise is little; Can realize cutting down the consumption of energy more than 50%, greatly reduce production costs; The airtight performance of equipment is good, and no dust leaks, and noise is little; Can realize many days continuous operation, safe and reliable.
Claims (5)
1. be used to produce the air-flow vortex balling machine of spherical graphite; Form by body (1), nodularization transmission mechanism (2) and internal classification machine transmission mechanism (3); It is characterized in that: be provided with opening for feed (4) in the lower end of body (1), be provided with discharge port (5), be provided with gear ring (6) at body (1) inwall middle part on the top of body (1); Between the lower surface of gear ring (6) and body (1) bottom surface is Flow of Goods and Materials chamber (19), is nodularization chamber (14) between the lower surface of gear ring (6) and body (1) end face; In Flow of Goods and Materials chamber (19), be provided with a sealing member (11); Be provided with a powder nodularization rotating disk (7) in the upper end of sealing member (11); The circumferential end surfaces of powder nodularization rotating disk (7) and gear ring (6) are relative; Plane one all equidistance are provided with powder cutter (12) on the circumference of powder nodularization rotating disk (7), and the quantity of powder cutter (12) is 5-10, and 1/3rd of powder cutter (12) length is stretched out powder nodularization rotating disk (7); Powder nodularization rotating disk (7) is fixed in the rotating shaft (8); Rotating shaft (8) is provided with bearing (9) and chock (10); Rotating shaft (8), bearing (9) and chock (10) are arranged in the sealing member (11); Between sealing member (11) and chock (10), be an airtight cavity (20), in cavity (20), be provided with mobile quench liquid capable of circulation; In nodularization chamber (14), be provided with flow splitter (13) and internal classification machine (18), internal classification machine (18) is arranged in the flow splitter (13);
Described opening for feed (4) is communicated with nodularization chamber (14) by Flow of Goods and Materials chamber (19) gap between gear ring (6) and powder nodularization rotating disk (7);
Described discharge port (5) communicates with nodularization chamber (14) through flow splitter (13).
2. the air-flow vortex balling machine that is used to produce spherical graphite according to claim 1 is characterized in that: described nodularization transmission mechanism (2), form by motor (15), transmission belt (21) and rotating shaft (8).
3. the air-flow vortex balling machine that is used to produce spherical graphite according to claim 1 is characterized in that: described internal classification machine transmission mechanism (3), form by the dynamo-electric machine (16) of internal classification, transmission belt (22) and internal classification machine rotating shaft (17).
4. the air-flow vortex balling machine that is used to produce spherical graphite according to claim 1 is characterized in that: the gap between the outer face of said powder cutter (12) and the gear ring (6) is 1mm～30mm.
5. the air-flow vortex balling machine that is used to produce spherical graphite according to claim 1; It is characterized in that: described gear ring (6); It highly is 80-115mm, and its diameter is 450-500mm, and the surface is gone up equidistance and vertically is provided with many convexo-concave tooth bars within it; The tooth bar number is 60-90, and the thickness of tooth bar is 1-2.5mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910172762A CN101863464B (en) | 2009-11-27 | 2009-11-27 | Air-flow vortex balling machine for producing spherical graphite |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910172762A CN101863464B (en) | 2009-11-27 | 2009-11-27 | Air-flow vortex balling machine for producing spherical graphite |
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| CN101863464A CN101863464A (en) | 2010-10-20 |
| CN101863464B true CN101863464B (en) | 2012-09-05 |
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| CN200910172762A Expired - Fee Related CN101863464B (en) | 2009-11-27 | 2009-11-27 | Air-flow vortex balling machine for producing spherical graphite |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118572107A (en) | 2014-07-07 | 2024-08-30 | 三菱化学株式会社 | Carbon material, method for producing carbon material, and nonaqueous secondary battery using carbon material |
| CN105903524A (en) * | 2016-06-30 | 2016-08-31 | 湖南万通科技股份有限公司 | Crushing equipment |
| CN106799283B (en) * | 2017-03-23 | 2018-09-04 | 吉林市亨昌炭素有限责任公司 | A kind of spherical graphite crushing material collecting device |
| CN107282192B (en) * | 2017-08-04 | 2019-01-04 | 芜湖泰庆电子科技有限公司 | A kind of automatic material-absorbing particle pulverizer mill |
| CN110681856B (en) * | 2018-07-06 | 2021-07-27 | 安泰（霸州）特种粉业有限公司 | Water atomization soft magnetic alloy powder spheroidizing method |
| RU2706623C1 (en) * | 2019-01-10 | 2019-11-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Ивановский государственный химико-технологический университет" | Method of producing particles of spherical graphite and device for its implementation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104261A (en) * | 1993-12-20 | 1995-06-28 | 天津市塘沽区铸造技术开发研究所 | Spheroidization apparatus and spheriodization process thereof |
| CN1486806A (en) * | 2003-06-02 | 2004-04-07 | 湖南省顶立新材料工程中心有限公司 | Atomizing formation apparatus for producing spherical casting WC powder |
| CN201567302U (en) * | 2009-11-27 | 2010-09-01 | 洛阳市冠奇工贸有限责任公司 | Airflow vortex spheroidizing machine for producing spherical graphite |
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2009
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104261A (en) * | 1993-12-20 | 1995-06-28 | 天津市塘沽区铸造技术开发研究所 | Spheroidization apparatus and spheriodization process thereof |
| CN1486806A (en) * | 2003-06-02 | 2004-04-07 | 湖南省顶立新材料工程中心有限公司 | Atomizing formation apparatus for producing spherical casting WC powder |
| CN201567302U (en) * | 2009-11-27 | 2010-09-01 | 洛阳市冠奇工贸有限责任公司 | Airflow vortex spheroidizing machine for producing spherical graphite |
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