CN102974443A - Classified powder material sieving device - Google Patents
Classified powder material sieving device Download PDFInfo
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- CN102974443A CN102974443A CN2012105522047A CN201210552204A CN102974443A CN 102974443 A CN102974443 A CN 102974443A CN 2012105522047 A CN2012105522047 A CN 2012105522047A CN 201210552204 A CN201210552204 A CN 201210552204A CN 102974443 A CN102974443 A CN 102974443A
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Abstract
The invention discloses a classified powder material sieving device. A ball mill cylinder and a sieve cylinder are arranged inside a sealed shell and are driven by a same center rotating shaft; the center rotating shaft is provided with an axial center feeding hole; a discharging channel is arranged in the center feeding hole inside the ball mill cylinder; a coarse material storage hopper connected with an inner cavity of the sieve cylinder and a finished product storage hopper connected with an outer cavity of the sieve cylinder are arranged inside the sealed shell; and a protection gas circulation system is also arranged inside the sealed shell. The classified powder material sieving device has the beneficial effects that a user can be far from an operation field; the classified powder material sieving device is safe, reliable and fully automatic, has no need of human interference, can prevent dust raising, is environment-friendly and also guarantees the personal security of staff. The classified powder material sieving device can prevent dust raising, so that the waste of products can be avoided, the product quality can be ensured, enterprise incomes can be improved by enhancing the product yield, and meanwhile, fire accidents can be avoided. Therefore, the classified powder material sieving device has a good utilization effect.
Description
Technical field
The present invention relates to a kind of classified screening device of granular material.
Background technology
At present in the production technology of granular material, the drum sieve that the polishing screening is used, swinging screen, vibratory sieve operates in air mostly, and dust from flying sticks on the building, serious environment pollution and to affect the employee healthy.Some granular material meeting the time of tide, discharges hydrogen such as aluminium silver powder, if improper ventilation, airborne hydrogen content reaches ignition point or environment temperature raises, and perhaps meets naked light and namely causes fire explosion, makes the production of granular material have danger.Because technique falls behind, cause its output and quality all to be difficult to guarantee simultaneously.
Solve dust from flying and safety problem and need carry out totally-enclosed production, secluding air can not the manpower intervention intervention.But granular material is to belong to the superfine powder category, and in the process of screening, because of Electrostatic Absorption, serious obstruction micron order sieve aperture is if not manual intervention is difficult to utilize the gravity of material to finish the screening task, and can't solves the problem of dust from flying.
Summary of the invention
In order to solve above-mentioned drawback, technical problem to be solved by this invention is, a kind of device of sizing screening of granular material is provided, and can effectively control dust from flying, need not manual intervention and can finish smoothly sizing screening.In order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of classified screening device of granular material, it is characterized in that, described screening plant comprises seal casinghousing, the in-built Place mill tube of described seal casinghousing and screen drum, screen drum is divided into inner chamber and exocoel by cover tubular screen cloth within it, and the ball grinding cylinder rear end is provided with the punishment in advance sieve aperture and is enclosed within the screen drum inner chamber; Ball grinding cylinder and screen drum are driven by same central rotating shaft, and described central rotating shaft arranges axial central well by the ball grinding cylinder end, and central well is provided with tapping channel in ball grinding cylinder; Be provided with the coarse fodder storage bin(hopper) and the finished product storage bin(hopper) that is connected the screen drum exocoel that connect the screen drum inner chamber in the seal casinghousing; Described tubular screen cloth inwall is provided with spiral helicine lifting blade; The setting of described ball grinding cylinder internal chamber wall leaves the lead-in of pulverizing with spheroid or forging.
Adopt technique scheme, solved the airborne dust problem by the closed loop hierarchy system, reduced potential safety hazard; Simultaneously, when whole moving component rotary work, because the bump that leaves of spheroid produces not self-sustained oscillation, powder will flow out from sieve aperture, fall within the finished product storage bin(hopper), overcome because of Electrostatic Absorption and stop up sieve aperture, and screen cloth can not be worked, and need the phenomenon of human intervention.
As a kind of improvement, be filled with protective gas in the described seal casinghousing.The gas that suppresses burning such as inert gas (nitrogen) or carbon dioxide etc.In the system of sealing, be filled with protective gas protected, make severe depletion of oxygen in the system, destroy burning and oxidizing condition, guarantee safety when being conducive to sieve hazardous material (fluids) (such as aluminium silver powder).
As further preferred, described classified screening device arranges the protective gas circulatory system, comprises described seal casinghousing, the central feeding mouth communication loop power-equipment of described seal casinghousing (such as blower fan, particularly negative-pressure air fan); The feed opening of the finished product storage bin(hopper) of described seal casinghousing is communicated with finished bin; The finished bin gas outlet is communicated with deduster; The gas outlet of deduster is communicated with described circulation power equipment; The source of the gas (such as protective gas storage facilities or generation, such as nitrogen making machine) that also comprises protective gas.Described connection refers to form gas passage by connecting pipe valve.Forced draft is carried the sieve aperture of finished product and dredge blockage.
As a kind of improvement, be provided with discharging opening automatic lid actuator and weighing dress packet system at the bottom of the storehouse of described finished bin, explosion-proof diaphragm and described gas outlet are equipped with in the top of finished bin.The volume of finished bin is larger, and the powder delivery air enters in the storehouse and slows down suddenly, and powder stall falls at the bottom of the storehouse of finished bin because of deadweight, and discharging opening is opened in good time automatically, seals mouth by weighing dress packet system automatic weighing dress.
Preferably, described deduster adopts sack cleaner.Described circulation power equipment adopts the negative pressure centrifugal blower, and the labyrinth sealing device is equipped with in blower fan rear end (rotating shaft is by blower fan rear wall plate place).Stop air to be scurried in the system.
Preferably, described classified screening device arranges feed system, comprises the raw material storage bin(hopper), and the discharging opening of raw material storage bin(hopper) connects the charging aperture of conveying worm, and the discharging opening of conveying worm connects described central well.Conveying worm short distance conveying is also cut piece material in the raw material, and the piece material that enters ball grinding cylinder is of moderate size.
Preferably, described raw material storage bin(hopper) arranges the normal direction feeding gate that air cylinder driven opens and closes, and the peripheral device encapsulant of feeding gate arranges protective gas and carries pipe valve in the raw material storage bin(hopper).Guarantee that sealing prevents that airborne dust from can destroy the vacuum in the storehouse simultaneously in good time, makes blanking smooth and easy.
Preferably, in the described feed system, the discharging opening place of conveying worm is provided with venturi nozzle, and venturi nozzle is connected the described protective gas circulatory system.Under the help of forced draft, so that charging is more smooth and easy.
Described classified screening device setting contains oxygen on-line monitoring instrument, arrange contain oxygen detecting probe, temp probe carries out on-line monitoring and carries out on-scene communication with computer, in case the computer that exceeds standard moves arrestment, and automatically opens the nitrogen valve deoxygenation.
The system of described classified screening device is controlled to be Automatic Control, uses PLC and man-machine interface to consist of the DCS control system, and operating distance can be more than 100-1000 rice.Friendly interface, all data set signals all are reflected on the man-machine interface, and operating personnel can control and monitor away from the scene, and can finish data record, break down and operate miss, and there is alarm at the interface, and automatic stopping.
Beneficial effect of the present invention is that safe and reliable away from operation site, full automation does not need manpower intervention, avoids airborne dust, protection of the environment, and simultaneously employee's personal safety is also ensured.Because bad-looking dust, the waste of having stopped product has guaranteed product quality, has increased the output of product and increases enterprise's income, has prevented simultaneously the generation of fire incident, and is good through result of use.
The present invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is that specific embodiment of the invention system consists of schematic diagram;
Fig. 2 is specific embodiment of the invention seal casinghousing, ball grinding cylinder and screen drum structural representation, and wherein screen drum shows its outer-cavity structure;
Fig. 3 is specific embodiment of the invention seal casinghousing, ball grinding cylinder and screen drum structural representation, wherein screen drum is removed screen cloth 103 to show its inner-cavity structure on upper figure basis, although lifting blade 112 is to be attached on screen cloth 103 internal chamber walls, is kept in order to clearly demonstrate still;
Fig. 4 is the feed system structural representation.
The specific embodiment
Referring to accompanying drawing 2,3, reflect a kind of concrete structure of the present invention, the classified screening device of described granular material, comprise seal casinghousing 1, described seal casinghousing 1 in-built Place mill tube 101 and screen drum 102, screen drum 102 is divided into inner chamber 105 and exocoel 104 by cover tubular screen cloth 103 within it, and slot size becomes the items number to determine by powder.Ball grinding cylinder 101 rear ends are provided with punishment in advance sieve aperture 106 and are enclosed within the screen drum inner chamber 105.Ball grinding cylinder 101 and screen drum 102 are driven by same central rotating shaft 107, described central rotating shaft 107 arranges axial central well 108 by ball grinding cylinder 101 ends, central well 108 is provided with tapping channel 109 in ball grinding cylinder 101, three tapping channels 109 distribute along central rotating shaft 107 even circumferentials, namely arrange one every 120 degree angles of circumference.Be provided with the coarse fodder storage bin(hopper) 110 and the finished product storage bin(hopper) 111 that is connected screen drum exocoel 104 that connect screen drum inner chamber 105 in the seal casinghousing 1; Described tubular screen cloth 103 inwalls are provided with spiral helicine lifting blade 112; Described ball grinding cylinder 101 internal chamber wall settings leave the lead-in 113 of pulverizing with spheroid or forging (the known indispensable parts of ball mill do not show among the figure).
Be filled with nitrogen in the described seal casinghousing 1.Please in conjunction with Fig. 1, described classified screening device arranges the protective gas circulatory system, comprises described seal casinghousing 1, and the central feeding mouth 108 of described seal casinghousing 1 is communicated with negative pressure centrifugal blower 5; The feed opening of the finished product storage bin(hopper) 111 of described seal casinghousing 1 is communicated with finished bin 2; Finished bin 2 gas outlets are communicated with sack cleaner 3; The gas outlet of sack cleaner 3 is communicated with described negative pressure centrifugal blower 5, and the labyrinth sealing device is equipped with in blower fan rear end (rotating shaft is by blower fan rear wall plate place); Also comprise nitrogen making machine 6.Described connection refers to form gas passage by connecting pipe 10 and valve 9.Be provided with discharging opening automatic lid actuator and weighing dress packet system 8 at the bottom of the storehouse of described finished bin 2, the gas outlet of explosion-proof diaphragm and described connection negative pressure centrifugal blower 5 is equipped with on the top of finished bin 2.
Referring to Fig. 4, described classified screening device arranges feed system 7, comprises raw material storage bin(hopper) 701, and the discharging opening of raw material storage bin(hopper) 701 connects the charging aperture of conveying worm 702, and the discharging opening of conveying worm 702 connects described central well 108.Described raw material storage bin(hopper) 701 arranges the normal direction feeding gate 704 of cylinder 703 driven opening/closing, the peripheral device encapsulant of feeding gate 704, and the raw material storage bin(hopper) 701 interior nitrogen that arrange are carried pipe valve 705.The discharging opening place of conveying worm 702 is provided with venturi nozzle 706, and venturi nozzle 706 is connected the described protective gas circulatory system.
Described raw material storage bin(hopper) inner chamber is divided into some batch mixing compartments.Satisfy the mixed preparing of various materials.The setting of raw material storage bin(hopper) contains oxygen detecting probe, temp probe.
Described classified screening device is furnished with air compressor machine provides source of the gas for pneumatic operation.
Sack cleaner is square molding box body, is up and down square type cone.Upper lower cone and cloth bag composition sealed cavity suitable for reading, the vertex of a cone draws a pipe and causes fans entrance, and built-in 28 dust-removal cloth-bags are divided into 4 storehouses, and lower cone is than fine powder body collecting bin, and at the cone end one discharge gate is housed, and is the manual cleaning herein.Introduce high speed nitrogen by the top cone, shake off dust on the cloth bag by pulse control valve control high velocity air, guarantee filter area.Pressure switch is housed in the system, makes the nitrogen pressure that keeps 200PA in the system, automatically discharge when surpassing.
Described classified screening device setting contains oxygen on-line monitoring instrument, arrange contain oxygen detecting probe, temp probe carries out on-line monitoring and carries out on-scene communication with computer, in case the computer that exceeds standard moves arrestment, and automatically opens the nitrogen valve deoxygenation.The system of described classified screening device is controlled to be Automatic Control, uses PLC and man-machine interface to consist of the DCS control system, and operating distance can be more than 100-1000 rice.Friendly interface, all data set signals all are reflected on the man-machine interface, and operating personnel can control and monitor away from the scene, and can finish data record, break down and operate miss, and there is alarm at the interface, and automatic stopping.
The above-mentioned embodiment that the present invention describes only is for technical scheme of the present invention clearly is described, and can not be interpreted as the present invention is made any restriction.The present invention has known multiple alternative and distortion, under the prerequisite that does not break away from essential meaning of the present invention, all falls into protection scope of the present invention.
Claims (10)
1. the classified screening device of a granular material, it is characterized in that described screening plant comprises seal casinghousing, the in-built Place mill tube of described seal casinghousing and screen drum, screen drum is divided into inner chamber and exocoel by cover tubular screen cloth within it, and the ball grinding cylinder rear end is provided with the punishment in advance sieve aperture and is enclosed within the screen drum inner chamber; Ball grinding cylinder and screen drum are driven by same central rotating shaft, and described central rotating shaft arranges axial central well by the ball grinding cylinder end, and central well is provided with tapping channel in ball grinding cylinder; Be provided with the coarse fodder storage bin(hopper) and the finished product storage bin(hopper) that is connected the screen drum exocoel that connect the screen drum inner chamber in the seal casinghousing; Described tubular screen cloth inwall is provided with spiral helicine lifting blade; The setting of described ball grinding cylinder internal chamber wall leaves the lead-in of pulverizing with spheroid or forging.
2. the classified screening device of a kind of granular material as claimed in claim 1 is characterized in that, is filled with protective gas in the described seal casinghousing.
3. the classified screening device of a kind of granular material as claimed in claim 2 is characterized in that, described classified screening device arranges the protective gas circulatory system, comprises described seal casinghousing, the central feeding mouth communication loop power-equipment of described seal casinghousing; The feed opening of the finished product storage bin(hopper) of described seal casinghousing is communicated with finished bin; The finished bin gas outlet is communicated with deduster; The gas outlet of deduster is communicated with described circulation power equipment; The source of the gas that also comprises protective gas.
4. the classified screening device of a kind of granular material as claimed in claim 3 is characterized in that, is provided with discharging opening automatic lid actuator and weighing dress packet system at the bottom of the storehouse of described finished bin, and explosion-proof diaphragm and described gas outlet are equipped with in the top of finished bin.
5. the classified screening device of a kind of granular material as claimed in claim 3 is characterized in that, described deduster adopts sack cleaner; Described circulation power equipment adopts the negative pressure centrifugal blower, and the labyrinth sealing device is equipped with in blower fan rear end (rotating shaft is by blower fan rear wall plate place).
6. such as the classified screening device of each described a kind of granular material of claim 1-5, it is characterized in that, described classified screening device arranges feed system, comprise the raw material storage bin(hopper), the discharging opening of raw material storage bin(hopper) connects the charging aperture of conveying worm, and the discharging opening of conveying worm connects described central well.
7. the classified screening device of a kind of granular material as claimed in claim 6 is characterized in that, described raw material storage bin(hopper) arranges the normal direction feeding gate that air cylinder driven opens and closes, and the peripheral device encapsulant of feeding gate arranges protective gas and carries pipe valve in the raw material storage bin(hopper).
8. the classified screening device of a kind of granular material as claimed in claim 7 is characterized in that, in the described feed system, the discharging opening place of conveying worm is provided with venturi nozzle, and venturi nozzle is connected the described protective gas circulatory system.
9. such as claim 1-5, the classified screening device of 7,8 each described a kind of granular materials is characterized in that, described classified screening device setting contains oxygen on-line monitoring instrument, and setting contains oxygen detecting probe, temp probe carries out on-line monitoring and carries out on-scene communication with computer.
10. such as claim 1-5, the classified screening device of 7,8 each described a kind of granular materials is characterized in that, the system of described classified screening device is controlled to be Automatic Control, uses PLC and man-machine interface to consist of the DCS control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210552204.7A CN102974443B (en) | 2012-12-18 | 2012-12-18 | Classified powder material sieving device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210552204.7A CN102974443B (en) | 2012-12-18 | 2012-12-18 | Classified powder material sieving device |
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| CN102974443A true CN102974443A (en) | 2013-03-20 |
| CN102974443B CN102974443B (en) | 2014-09-17 |
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| CN201210552204.7A Active CN102974443B (en) | 2012-12-18 | 2012-12-18 | Classified powder material sieving device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741311A (en) * | 2015-04-17 | 2015-07-01 | 西安欧中材料科技有限公司 | Ultrasonic vibration screen with inertia gas protection system |
| CN105597903A (en) * | 2015-12-29 | 2016-05-25 | 中国矿业大学 | Dust separating and gas drying and circulating system and dust separating and gas drying and circulating method of industrial ball grinding mill |
| CN111804419A (en) * | 2020-06-16 | 2020-10-23 | 马鞍山采石矶涂料有限公司 | Grinding device capable of automatically returning materials |
| CN114947034A (en) * | 2022-05-28 | 2022-08-30 | 湖北优唐健康管理有限责任公司 | Formula, process and device of plant-extracted solid beverage for improving fundus oculi lesion of diabetic patient |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741311A (en) * | 2015-04-17 | 2015-07-01 | 西安欧中材料科技有限公司 | Ultrasonic vibration screen with inertia gas protection system |
| CN105597903A (en) * | 2015-12-29 | 2016-05-25 | 中国矿业大学 | Dust separating and gas drying and circulating system and dust separating and gas drying and circulating method of industrial ball grinding mill |
| CN111804419A (en) * | 2020-06-16 | 2020-10-23 | 马鞍山采石矶涂料有限公司 | Grinding device capable of automatically returning materials |
| CN114947034A (en) * | 2022-05-28 | 2022-08-30 | 湖北优唐健康管理有限责任公司 | Formula, process and device of plant-extracted solid beverage for improving fundus oculi lesion of diabetic patient |
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| CN102974443B (en) | 2014-09-17 |
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Effective date of registration: 20200520 Address after: No. 95, Xinhai community, Nanshan village, Dayao Town, Liuyang City, Changsha City, Hunan Province Patentee after: LIUYANG YINFENG MACHINERY MANUFACTURING Co.,Ltd. Address before: 410312 Nanshan formation, Nanshan Town, Liuyang, Hunan, Changsha Patentee before: LIUYANG CITY DAYAO NANSHAN FIREWORK MACHINERY FACTORY |