CN217797413U

CN217797413U - Airflow classifier for silicon micropowder

Info

Publication number: CN217797413U
Application number: CN202221984819.2U
Authority: CN
Inventors: 雷迪红; 胡敏霞
Original assignee: Xixia Saidi Silicon Technology Co ltd
Current assignee: Xixia Saidi Silicon Technology Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-15
Anticipated expiration: 2032-07-29

Abstract

The utility model relates to an air classifier for silica powder, including air classifier main part and inlet pipe, the outside of inlet pipe is provided with breaks up the mechanism, it includes the feeding case of fixed connection in the inlet pipe top to break up the mechanism, the inside fixedly connected with support frame of feeding case, the inside fixedly connected with driving motor of support frame, fixedly connected with pivot on driving motor's the output shaft, the outside swing joint of pivot has the connection cover shell, the pole is broken up to the one end fixedly connected with that the pivot was kept away from to the connection cover shell, the inside fixedly connected with support cover shell of feeding case. This an air classifier for silica micropowder makes the silica micropowder granule at first shake and break up before entering air classifier main part through starting vibrating motor for dispersion and pass the board of breaing up between the tiny particle powder, can not cohere and form false large granule, and the particle diameter of the silica micropowder granule that the air classifier main part of being convenient for obtained after grading according to the particle diameter is even.

Description

Airflow classifier for silicon micropowder

Technical Field

The utility model relates to an air classifier technical field specifically is an air classifier for silica micropowder.

Background

The air classifier is an air classification device, the classifier, a cyclone separator, a dust remover and an induced draft fan form a set of classification system, materials move to a classification area at a high speed along with ascending air flow from a feeding port at the lower end of the classifier under the suction action of the induced draft fan, under the action of strong centrifugal force generated by a classification turbine rotating at a high speed, coarse and fine materials are separated, fine particles meeting the particle size requirement enter the cyclone separator or the dust remover through blade gaps of a classification wheel to be collected, and the air classifier is required for producing silicon micropowder.

At present, when the air intake is fixed in the current air classifier, the particle concentration of the silicon micropowder can be increased by increasing the feeding speed, the distance between the average silicon micropowder particles is reduced, the dispersity is reduced, the collision and agglomeration among the silicon micropowder particles are increased, more fine silicon micropowder particles can possibly agglomerate to form false large particles or adhere to the large particles and are finally collected as coarse components, the separation particle size after classification is larger, and the problem provided in the above is solved by providing the air classifier for the silicon micropowder.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an air classifier for silica powder possesses advantages such as break up the function in advance, has solved current air classifier and can make the particle concentration of silica powder rise when increasing feed rate, causes the separation particle diameter after the classification to differ great problem.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an air classifier for silica powder, includes air classifier main part and inlet pipe, the outside of inlet pipe is provided with breaks up the mechanism, break up the mechanism and include the feeding case of fixed connection in the inlet pipe top, the inside fixedly connected with support frame of feeding case, the inside fixedly connected with driving motor of support frame, fixedly connected with pivot on driving motor's the output shaft, the outside swing joint of pivot has the connection cover shell, the pole is broken up to the one end fixedly connected with that the pivot was kept away from to the connection cover shell, the inside fixedly connected with support cover shell of feeding case, the inside fixedly connected with supporting spring of support cover shell, supporting spring's top fixedly connected with bracing piece, the board is broken up to the one end fixedly connected with that supporting spring was kept away from to the bracing piece.

Further, the bottom of the scattering plate is fixedly provided with a vibrating motor, and the top of the feeding box is provided with a feeding hole.

Further, the outside fixedly connected with slider of pivot, the spout has been seted up to the inside of connecting the cover shell, slider sliding connection is in the inside of spout.

Further, the one end fixedly connected with reset spring that driving motor was kept away from to the pivot, reset spring keep away from the one end of pivot with break up pole fixed connection.

Further, the inside fixed mounting of inlet pipe has servo motor, fixedly connected with spiral leaf pole on servo motor's the output shaft.

Further, the bottom fixedly connected with input tube of air classifier main part, inlet pipe fixed connection is on the lateral wall of input tube, the bottom fixedly connected with fan of input tube.

Further, a secondary air inlet pipe is fixedly connected to the side wall of the air classifier main body, a classifying wheel is fixedly mounted inside the air classifier main body, a fine powder discharging pipe is fixedly connected to the outside of the air classifier main body, and a discharging pipe is fixedly connected to the bottom of the air classifier main body.

Compared with the prior art, the utility model provides an air classifier for silica powder possesses following beneficial effect:

this an air classifier for silica micropowder, at first shake and break up before making the silica micropowder granule enter into the air classifier main part through starting vibrating motor for dispersion and passing the board of breaing up between the tiny particle powder, can not cohere and form false large granule, the particle diameter of the silica micropowder granule of being convenient for the air classifier main part after carrying out the classification according to the particle diameter is even, it can make the particle concentration of silica micropowder rise when increasing feed rate to have solved current air classifier, cause the separation particle diameter after the classification to differ great problem.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a feeding box of the present invention;

fig. 3 is an enlarged schematic structural diagram of a shown in fig. 1 according to the present invention.

In the figure: the device comprises an airflow classifier main body 1, a feeding pipe 2, a feeding box 3, a supporting frame 4, a driving motor 5, a rotating shaft 6, a connecting casing 7, a scattering rod 8, a supporting casing 9, a supporting spring 10, a supporting rod 11, a scattering plate 12, a vibrating motor 13, a sliding block 14, a return spring 15, a servo motor 16, a spiral blade rod 17, an input pipe 18, a fan 19, a secondary air inlet pipe 20, a classifying wheel 21, a fine powder discharging pipe 22 and a fine powder discharging pipe 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an air classifier for silicon micropowder comprises an air classifier body 1 and a feeding pipe 2, wherein a scattering mechanism is arranged outside the feeding pipe 2, the scattering mechanism comprises a feeding box 3 fixedly connected to the top of the feeding pipe 2, a feeding port is formed in the top of the feeding box 3, and silicon micropowder particles enter the feeding box 3 through the feeding port.

In this embodiment, the inside fixedly connected with of feeding case 3 supports cover shell 9, support cover shell 9's inside fixedly connected with supporting spring 10, supporting spring 10's top fixedly connected with bracing piece 11, one end fixedly connected with that supporting spring 10 was kept away from to bracing piece 11 breaks up board 12, the hole of breaing up has been seted up in the inside of breaking up board 12, the bottom fixed mounting who breaks up board 12 has vibrating motor 13, the silica fume particle drops to the upper surface of breaking up board 12, it vibrates to drive breaking up board 12 through starting vibrating motor 13, make the silica fume particle enter into before air classifier main part 1 at first shake and break up, make the dispersion between the tiny particle powder and pass breaking up board 12, can not hold together and form false large granule, the particle size of the silica fume particle that air classifier main part 1 of being convenient for obtained after carrying out the classification according to the particle size is even.

It can be understood that, the inside fixedly connected with support frame 4 of feeding case 3, the inside fixedly connected with driving motor 5 of support frame 4, fixedly connected with pivot 6 on driving motor 5's the output shaft, the outside swing joint of pivot 6 has connection shell 7, the outside fixedly connected with slider 14 of pivot 6, the spout has been seted up to the inside of connection shell 7, slider 14 sliding connection is in the inside of spout, connection shell 7 carries out spacingly through slider 14 and can reciprocate, the one end fixedly connected with who keeps away from pivot 6 of connection shell 7 breaks up pole 8, the one end fixedly connected with reset spring 15 that driving motor 5 was kept away from in pivot 6, reset spring 15 keeps away from the one end of pivot 6 and breaks up pole 8 fixed connection, elastic potential energy through reset spring 15 pushes away break up pole 8, make break up pole 8 and break up board 12 laminating, drive break up pole 8 and rotate through starting driving motor 5, make break up pole 8 and break up the silica fume on board 12 of breaking up, prevent that it from blockking up and break up board 12, improve the large granule efficiency of breaking up.

In this embodiment, the inside fixed mounting of inlet pipe 2 has servo motor 16, fixedly connected with spiral leaf pole 17 on servo motor 16's the output shaft, the bottom fixedly connected with input tube 18 of air classifier main part 1, inlet pipe 2 fixed connection is on the lateral wall of input tube 18, it is rotatory through starting drive servo motor 16 drive spiral leaf pole 17 to drive through the inside that the silica powder granule of scattering in advance got into inlet pipe 2, transport the inside to input tube 18 with the silica powder granule, the bottom fixedly connected with fan 19 of input tube 18, produce through starting fan 19 and blow off the inside of blowing in air classifier main part 1 with the silica powder granule.

It can be understood that the side wall of the air classifier body 1 is fixedly connected with a secondary air inlet pipe 20, the interior of the air classifier body 1 is fixedly provided with a classifying wheel 21, the exterior of the classifying wheel 21 is provided with a driving device, the exterior of the air classifier body 1 is fixedly connected with a fine powder discharging pipe 22, the silicon micropowder particles move to a classifying area at a high speed along with the ascending air flow, under the action of a strong centrifugal force generated by the classifying wheel 21 rotating at a high speed, the coarse and fine materials are separated, and the fine particles meeting the particle size requirement enter the fine powder discharging pipe 22 through the blade gaps of the classifying wheel 21.

When the air classifier is used, the discharge pipe 23 is fixedly connected to the bottom of the air classifier main body 1, the speed of coarse particles carried with a part of fine particles after impacting the wall disappears, the coarse particles descend to the secondary air inlet pipe 20 along the wall of the cylinder, the coarse particles and the fine particles are separated through the strong elutriation effect of secondary air, the fine particles ascend to the classification area for secondary classification, and the coarse particles descend to the discharge pipe 23 and are discharged.

The beneficial effects of the embodiment are as follows:

this an air classifier for silica fume, the silica fume granule passes the feed inlet and drops to the upper surface of breaking up board 12, drive breaking up board 12 through starting vibrating motor 13 and vibrate, make the dispersion between the tiny particle powder and pass breaking up board 12, drive breaking up pole 8 through starting driving motor 5 and rotate, make breaking up pole 8 break up the silica fume large granule on breaking up board 12, improve and break up efficiency, the silica fume granule that passes through the preliminary scattering gets into the inside of inlet pipe 2, drive spiral blade pole 17 through starting drive servo motor 16 and rotate, transport the silica fume granule to the inside of input tube 18, produce through starting fan 19 and blow out the silica fume and blow in the inside of air classifier main part 1 with the silica fume, under the powerful centrifugal force effect that grading wheel 21 produced, make the thickness material separation, the fine particle who accords with the particle size requirement gets into the inside of fine powder discharging pipe 22 through grading wheel 21 blade clearance, and the coarse particle secretly passes through the strong elutriation effect of overgrate air, make the coarse particle separate, the fine particle rises to the region and carries out secondary classification, the coarse particle is located and is fallen to 23, the advantage that classification is good.

The electrical components present in the document are all electrically connected to a main controller and a power supply, the main controller may be a conventional known device for controlling a computer, and the conventional power connection technology disclosed in the prior art is not described herein.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air classifier for silica micropowder, includes air classifier main part (1) and inlet pipe (2), its characterized in that: a scattering mechanism is arranged outside the feeding pipe (2);

break up mechanism and include feeding case (3) of fixed connection in inlet pipe (2) top, inside fixedly connected with support frame (4) of feeding case (3), inside fixedly connected with driving motor (5) of support frame (4), fixedly connected with pivot (6) on the output shaft of driving motor (5), the outside swing joint of pivot (6) has connection cover shell (7), the pole (8) are broken up to the one end fixedly connected with of pivot (6) is kept away from in connection cover shell (7), the inside fixedly connected with of feeding case (3) supports cover shell (9), the inside fixedly connected with supporting spring (10) of support cover shell (9), the top fixedly connected with bracing piece (11) of supporting spring (10), the board (12) are broken up to the one end fixedly connected with of supporting spring (10) is kept away from in bracing piece (11).

2. An air classifier for fine silica powder according to claim 1, characterized in that: the bottom of the scattering plate (12) is fixedly provided with a vibrating motor (13), and the top of the feeding box (3) is provided with a feeding hole.

3. An air classifier for fine silica powder according to claim 1, characterized in that: the outside fixedly connected with slider (14) of pivot (6), the spout has been seted up to the inside of connecting the cover shell (7), slider (14) sliding connection is in the inside of spout.

4. An air classifier for fine silica powder according to claim 1, characterized in that: one end fixedly connected with reset spring (15) of driving motor (5) is kept away from in pivot (6), reset spring (15) keep away from the one end of pivot (6) and break up pole (8) fixed connection.

5. An air classifier for fine silica powder according to claim 1, characterized in that: the inside fixed mounting of inlet pipe (2) has servo motor (16), fixedly connected with spiral leaf pole (17) on the output shaft of servo motor (16).

6. An air classifier for fine silica powder according to claim 1, characterized in that: the bottom fixedly connected with input tube (18) of air current grader main part (1), inlet pipe (2) fixed connection is on the lateral wall of input tube (18), the bottom fixedly connected with fan (19) of input tube (18).

7. An air classifier for fine silica powder according to claim 1, characterized in that: fixedly connected with overgrate air inlet pipe (20) on the lateral wall of air classifier main part (1), the inside fixed mounting of air classifier main part (1) has hierarchical wheel (21), the outside fixedly connected with farine discharging pipe (22) of air classifier main part (1), the bottom fixedly connected with discharging pipe (23) of air classifier main part (1).