CN102825249A - Magnetic powder warm granulation device and method - Google Patents
Magnetic powder warm granulation device and method Download PDFInfo
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- CN102825249A CN102825249A CN2012103329308A CN201210332930A CN102825249A CN 102825249 A CN102825249 A CN 102825249A CN 2012103329308 A CN2012103329308 A CN 2012103329308A CN 201210332930 A CN201210332930 A CN 201210332930A CN 102825249 A CN102825249 A CN 102825249A
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Abstract
The invention discloses a magnetic powder warm granulation device and method. The magnetic powder warm granulation device comprises a granulation pool (1), a water tank (2) and a control unit (3), wherein a temperature sensor (11) and an electric heater (12) are arranged in the water tank (2), and the electric heater (12) is used for heating and controlling the water temperature in the water tank (2) to be the temperature at a sintering point of a granulation adhesive; and stirring paddles are arranged in the granulation pool (1), a driven stirring paddle (14) is connected with a driving stirring paddle (13) through a transmission device, a driving rotating shaft (15) is connected with a speed reducer (17) through the transmission device, and the speed reducer (17) is connected with a driving motor (18). The granulation pool disclosed by the invention can be heated by hot water in a circulating manner so as to achieve the temperature at the softening point of the adhesive, the adhesive is softened, a self-lubrication effect is further produced, the magnetic powder granulation efficiency can be improved, and the product quality can be upgraded; and a three-dimensional stirring way is adopted, and the stirring direction and the speed are automatically controlled by a controller, thus the stirring is more uniform and sufficient.
Description
Technical field
The present invention relates to prilling granulator and method between a kind of magnetic temperature.
Background technology
Neodymium iron boron binding magnet because of its magnetic good uniformity, freedom shape is big, dimensional accuracy is high, meets the developing direction of hyundai electronics components and parts " light, thin, short, little ", is described as " pacemaker " of 21 century information industry.Along with development of science and technology, the range of application of neodymium iron boron magnetic body is more and more wider, and is also increasingly high to the performance requirement of neodymium iron boron magnetic body.Neodymium iron boron magnetic body by soft-magnetic alloy powder and bonding agent mixing granulation after compression moulding and getting, the granulation quality of magnetic directly affects the multinomial performance of neodymium iron boron magnetic body finished product.
Yet, the many employings of the rabbling mechanism of existing magnetic prilling granulator cloverleaf paddle as shown in Figure 1, the contact area of magnetic and paddle is less; And the alr mode of paddle is single; Stir fully inadequately, reduced the magnetic granulation efficiency, the granulation effect is also undesirable.In addition, present magnet stirring-granulating carries out at normal temperatures, and under normal temperature condition, bonding agent is softening, adhesive effect is poor, the granularity of magnet powder skewness, also largely limit the stirring-granulating effect of magnetic.
Summary of the invention
The objective of the invention is to solve the deficiency of prior art; Provide a kind of employing three-dimensional alr mode; Mixing direction and speed can be automatically controlled, and stirring makes whole granulating tank reach the bonding agent softening point temperature by the hot water circuit heating fully, uniformly; Bonding agent is softening and produce self-lubricating effect, can improve the magnetic granulation efficiency and improve prilling granulator and method between the magnetic temperature of product quality.
The objective of the invention is to realize: prilling granulator between a kind of magnetic temperature through following technical scheme; It comprises granulating tank, water tank and control module; The outer wall of granulating tank is provided with the vacuum reservoir bed; The hot water inlet of vacuum reservoir bed links to each other with the hot water outlet of water tank through hot-water line, and hot-water line is provided with heat-exchanger pump, and the bypass outlet of vacuum reservoir bed is back to water tank through return duct; Be provided with temperature sensor and electric heater in the water tank; Control module comprises controller, heating control circuit, temperature sensor signal treatment circuit and drive motors control circuit; Temperature sensor is connected with the temperature sensor signal treatment circuit; The temperature sensor signal treatment circuit links to each other with controller, and electric heater is connected with heating control circuit, and heating control circuit is connected with the control signal output of controller; Be provided with at least one paddle in the granulating tank, one of them paddle is the active paddle, and all the other are driven paddle; Initiatively paddle is fixedly connected with active rotating shaft, and each driven paddle is fixedly connected with driven spindle respectively, and each driven spindle links to each other with active rotating shaft through transmission device respectively; Active rotating shaft is connected with decelerator through transmission device; Decelerator is connected with drive motors, and drive motors links to each other with the drive motors control circuit, and the drive motors control circuit is connected with controller.
Vacuum reservoir bed of the present invention links to each other with vavuum pump through vacuum-pumping tube.
The present invention also comprises one in order to measure and to show the pressure vacuum gauge of vacuum reservoir bed internal pressure.
Electric heater of the present invention is an electrically heated rod.
The water temperature that electric heater of the present invention adds in the thermal control water tank is a constant temperature, and this thermostat temperature is the softening point temperature of granulation bonding agent.
Prilling process between a kind of magnetic temperature, it may further comprise the steps:
S1: start vavuum pump, the vacuum reservoir bed is vacuumized processing;
S2: start electric heater through control button the water in the water tank is heated, the start-up temperature sensor in real time is gathered water temperature value;
S3: when the water temperature in the water tank reaches the softening point temperature of granulation bonding agent, regulate electric heater, with constant this temperature that is controlled at of water temperature;
S4: start heat-exchanger pump, the hot water in the water tank is imported the vacuum reservoir bed through hot-water line, and make hot water circuit center on the vacuum reservoir bed, finally be back to water tank from bypass outlet;
S5: magnetic and granulation bonding agent are respectively charged in the granulating tank, start drive motors through control button, drive initiatively paddle rotation, driven paddle is made corresponding rotation thereupon, accomplishes the action of stirring-granulating.
The present invention also comprises one through the rotation direction of control module adjusting paddle and the step of slewing rate.
The invention has the beneficial effects as follows:
(1) granulating tank reaches the bonding agent softening point temperature by the hot water circuit heating, and bonding agent is softening and produce self-lubricating effect, can improve the magnetic granulation efficiency and promote product quality;
(2) adopt three-dimensional alr mode, and mixing direction and speed controlled automatically by controller, stir more evenly, more abundant.
Description of drawings
Fig. 1 is the structural representation of traditional paddle;
Fig. 2 is prilling granulator structural representation between temperature of the present invention;
Among the figure, 1-granulating tank, 2-water tank, 3-control module, 4-vacuum reservoir bed; The 5-hot water inlet, 6-hot-water line, 7-hot water outlet, 8-heat-exchanger pump, 9-bypass outlet; The 10-return duct, the 11-temperature sensor, the 12-electric heater, 13-is paddle initiatively, the driven paddle of 14-; The 15-active rotating shaft, 16-driven spindle, 17-decelerator, 18-drive motors, 19-vavuum pump.
The specific embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 2; Prilling granulator between a kind of magnetic temperature; It comprises granulating tank 1, water tank 2 and control module 3, and the outer wall of granulating tank 1 is provided with vacuum reservoir bed 4, and the hot water inlet 5 of vacuum reservoir bed 4 links to each other with the hot water outlet 7 of water tank 2 through hot-water line 6; Hot-water line 6 is provided with heat-exchanger pump 8, and the bypass outlet 9 of vacuum reservoir bed 4 is back to water tank 2 through return duct 10.
Be provided with temperature sensor 11 and electrically heated rod 12 in the water tank 2; Control module 3 comprises controller, heating control circuit, temperature sensor signal treatment circuit and drive motors control circuit; Temperature sensor 11 is connected with the temperature sensor signal treatment circuit; The temperature sensor signal treatment circuit links to each other with controller, and electrically heated rod 12 is connected with heating control circuit, and heating control circuit is connected with the control signal output of controller; The water temperature that electrically heated rod 12 adds in the thermal control water tank 2 is a constant temperature, and this thermostat temperature is the softening point temperature of granulation bonding agent.
Be provided with at least one paddle in the granulating tank 1; One of them paddle is an active paddle 13, and all the other are driven paddle 14, and initiatively paddle 13 is fixedly connected with active rotating shaft 15; Each driven paddle is fixedly connected with driven spindle 16 respectively; Each driven spindle 16 links to each other with active rotating shaft 15 through transmission device respectively, and active rotating shaft 15 is connected with decelerator 17 through transmission device, and decelerator 17 is connected with drive motors 18; Drive motors 18 links to each other with the drive motors control circuit, and the drive motors control circuit is connected with controller.
Vacuum reservoir bed 4 also links to each other with vavuum pump 19 through vacuum-pumping tube, before package unit work, vacuumizes with 19 pairs of vacuum reservoir beds 4 of vavuum pump earlier.It also comprises one in order to measure and to show the pressure vacuum gauge of vacuum reservoir bed 4 internal pressures, and pressure vacuum gauge is arranged on the top of granulating tank lid.
Prilling process between a kind of magnetic temperature, it may further comprise the steps:
S1: start vavuum pump 19, vacuum reservoir bed 4 is vacuumized processing;
S2: the water that starts in 12 pairs of water tanks 2 of electric heater through control button heats, and start-up temperature sensor 11 is gathered water temperature value in real time;
S3: when the water temperature in the water tank 2 reaches the softening point temperature of granulation bonding agent, regulate electric heater 12, with constant this temperature that is controlled at of water temperature;
S4: start heat-exchanger pump 8, the hot water in the water tank 2 is imported vacuum reservoir bed 4 through hot-water line 6, and make hot water circuit center on vacuum reservoir bed 4, finally be back to water tank 2 from bypass outlet 9;
S5: magnetic and granulation bonding agent are respectively charged in the granulating tank 1, start drive motors 18 through control button, drive initiatively paddle 13 rotations, driven paddle 14 is made corresponding rotation thereupon, accomplishes the action of stirring-granulating.
It also comprises one through the rotation direction of control module 3 adjusting paddles and the step of slewing rate; Can paddle be set through control module 3 and whenever substitute a mixing direction at a distance from 1 minute; Stir speed (S.S.) also can be adjusted and be provided with as required, to reach best stirring-granulating effect.
Claims (7)
1. prilling granulator between a magnetic temperature; It is characterized in that: it comprises granulating tank (1), water tank (2) and control module (3); The outer wall of granulating tank (1) is provided with vacuum reservoir bed (4); The hot water inlet (5) of vacuum reservoir bed (4) links to each other with the hot water outlet (7) of water tank (2) through hot-water line (6), and hot-water line (6) is provided with heat-exchanger pump (8), and the bypass outlet (9) of vacuum reservoir bed (4) is back to water tank (2) through return duct (10);
Be provided with temperature sensor (11) and electric heater (12) in the water tank (2); Control module (3) comprises controller, heating control circuit, temperature sensor signal treatment circuit and drive motors control circuit; Temperature sensor (11) is connected with the temperature sensor signal treatment circuit; The temperature sensor signal treatment circuit links to each other with controller, and electric heater (12) is connected with heating control circuit, and heating control circuit is connected with the control signal output of controller;
Granulating tank is provided with at least one paddle in (1); One of them paddle is an active paddle (13), and all the other are driven paddle (14), and initiatively paddle (13) is fixedly connected with active rotating shaft (15); Each driven paddle is fixedly connected with driven spindle (16) respectively; Each driven spindle (16) links to each other with active rotating shaft (15) through transmission device respectively, and active rotating shaft (15) is connected with decelerator (17) through transmission device, and decelerator (17) is connected with drive motors (18); Drive motors (18) links to each other with the drive motors control circuit, and the drive motors control circuit is connected with controller.
2. prilling granulator between a kind of magnetic temperature according to claim 1 is characterized in that: described vacuum reservoir bed (4) links to each other with vavuum pump (19) through vacuum-pumping tube.
3. prilling granulator between a kind of magnetic temperature according to claim 1 is characterized in that: it also comprises one in order to measure and to show the pressure vacuum gauge of vacuum reservoir bed (4) internal pressure.
4. prilling granulator between a kind of magnetic temperature according to claim 1 is characterized in that: described electric heater (12) is an electrically heated rod.
5. prilling granulator between a kind of magnetic temperature according to claim 1 is characterized in that: the water temperature that described electric heater (12) adds in the thermal control water tank (2) is a constant temperature, and this thermostat temperature is the softening point temperature of granulation bonding agent.
6. prilling process between a magnetic temperature, it is characterized in that: it may further comprise the steps:
S1: start vavuum pump (19), vacuum reservoir bed (4) is vacuumized processing;
S2: start electric heater (12) through control button the water in the water tank (2) is heated, start-up temperature sensor (11) is gathered water temperature value in real time;
S3: when the water temperature in the water tank (2) reaches the softening point temperature of granulation bonding agent, regulate electric heater (12), with constant this temperature that is controlled at of water temperature;
S4: start heat-exchanger pump (8), the hot water in the water tank (2) is imported vacuum reservoir bed (4) through hot-water line (6), and make hot water circuit center on vacuum reservoir bed (4), finally be back to water tank (2) from bypass outlet (9);
S5: magnetic and granulation bonding agent are respectively charged in the granulating tank (1), start drive motors (18) through control button, drive initiatively paddle (13) rotation, driven paddle (14) is made corresponding rotation thereupon, accomplishes the action of stirring-granulating.
7. prilling process between a kind of magnetic temperature according to claim 6 is characterized in that: it also comprises one through the rotation direction of control module (3) adjusting paddle and the step of slewing rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332930.8A CN102825249B (en) | 2012-09-11 | 2012-09-11 | Magnetic powder warm granulation device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332930.8A CN102825249B (en) | 2012-09-11 | 2012-09-11 | Magnetic powder warm granulation device and method |
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| Publication Number | Publication Date |
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| CN102825249A true CN102825249A (en) | 2012-12-19 |
| CN102825249B CN102825249B (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210332930.8A Expired - Fee Related CN102825249B (en) | 2012-09-11 | 2012-09-11 | Magnetic powder warm granulation device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874788A (en) * | 2015-06-01 | 2015-09-02 | 苏州市东泰磁业有限公司 | Neodymium-iron-boron magnetic powder granulator |
| CN109758975A (en) * | 2019-01-28 | 2019-05-17 | 长沙华秦高新科技有限公司 | A kind of powder method of granulating |
| CN115248291A (en) * | 2022-09-22 | 2022-10-28 | 成都图南电子有限公司 | Magnet body defect detection device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101013327A (en) * | 2007-02-07 | 2007-08-08 | 李小卿 | Automatic temperature control apparatus of mould |
| CN101364467A (en) * | 2008-06-12 | 2009-02-11 | 青岛科技大学 | Preparation of ferrite magnetic spliced magnet having great processability |
| JP2012060139A (en) * | 2011-10-12 | 2012-03-22 | Inter Metallics Kk | Method of manufacturing ndfeb-based sintered magnet |
| CN202762396U (en) * | 2012-09-11 | 2013-03-06 | 成都图南电子有限公司 | Magnetic powder warm chamber pelleting device |
-
2012
- 2012-09-11 CN CN201210332930.8A patent/CN102825249B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101013327A (en) * | 2007-02-07 | 2007-08-08 | 李小卿 | Automatic temperature control apparatus of mould |
| CN101364467A (en) * | 2008-06-12 | 2009-02-11 | 青岛科技大学 | Preparation of ferrite magnetic spliced magnet having great processability |
| JP2012060139A (en) * | 2011-10-12 | 2012-03-22 | Inter Metallics Kk | Method of manufacturing ndfeb-based sintered magnet |
| CN202762396U (en) * | 2012-09-11 | 2013-03-06 | 成都图南电子有限公司 | Magnetic powder warm chamber pelleting device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874788A (en) * | 2015-06-01 | 2015-09-02 | 苏州市东泰磁业有限公司 | Neodymium-iron-boron magnetic powder granulator |
| CN109758975A (en) * | 2019-01-28 | 2019-05-17 | 长沙华秦高新科技有限公司 | A kind of powder method of granulating |
| CN109758975B (en) * | 2019-01-28 | 2022-02-15 | 长沙华秦高新科技有限公司 | Powder granulating method |
| CN115248291A (en) * | 2022-09-22 | 2022-10-28 | 成都图南电子有限公司 | Magnet body defect detection device and method |
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| Publication number | Publication date |
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| CN102825249B (en) | 2014-07-16 |
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Granted publication date: 20140716 Termination date: 20170911 |