CN114392921B

CN114392921B - High mica powder of stability is air purification device for production

Info

Publication number: CN114392921B
Application number: CN202111621567.7A
Authority: CN
Inventors: 吴昌梓; 吴万里; 吴万琛
Original assignee: Ruicai Technology Co ltd
Current assignee: Ruicai Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-12-09
Anticipated expiration: 2041-12-28
Also published as: CN114392921A

Abstract

The invention relates to the technical field of mica powder purification, and discloses an airflow purification device for producing high-stability mica powder. The invention can reduce the influence caused by uncertain factors such as airflow disorder and the like, has better purification effect, can also realize the matching of the deflection degree of the separating disc and the blanking rate of the mica powder, ensures the smoothness of the mica powder during purification, and in addition, the mica powder is circularly purified by the matching operation of the circulating fan and the induced draft fan, thereby further improving the separation purity of the mica powder.

Description

High mica powder of stability is air purification device for production

Technical Field

The invention relates to the technical field of mica powder purification, in particular to an airflow purification device for producing high-stability mica powder.

Background

The mica powder is a non-metallic mineral and contains a plurality of components, wherein SiO2 is mainly contained, the content is generally about 49%, and the content of Al2O3 is about 30%. The mica powder has good elasticity and toughness. The additive has the characteristics of insulativity, high temperature resistance, acid and alkali resistance, corrosion resistance, strong adhesive force and the like, and is an excellent additive. It is widely used in the industries of electric appliances, welding electrodes, rubber, plastics, paper making, paint, coating, pigment, ceramics, cosmetics, novel building materials and the like, and has extremely wide application. With the continuous development of science and technology, people open up a new application field, and the mica powder needs to be purified in the production process so as to realize the distinguished collection of particles with different diameters.

In the prior art, a mica particle winnowing system is proposed in chinese patent document CN104772280B, which has the advantages of simple structure, low production cost, good separation effect, high efficiency and no dust pollution, but in practical application, when devices such as a turbine separator are used for distinguishing and collecting particles with different sizes, a disorder phenomenon easily occurs, namely mica powder particles with different sizes influence each other, so that the finally collected mica powder is low in purification precision.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the airflow purification device for producing the mica powder, which has high stability, has the advantages of high purification precision and the like, and solves the series problems of low purification efficiency and the like of the mica powder in the prior art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an airflow purification device for producing high-stability mica powder comprises a storage hopper for continuously discharging the mica powder, wherein an induced draft fan and a separation barrel are fixedly communicated with two sides of the storage hopper respectively, and the induced draft fan is used for pushing the mica powder in the storage hopper into the separation barrel for separation and purification;

the separation cylinder is internally provided with a separation assembly, the separation assembly comprises a primary separation disc and a secondary separation disc which are corresponding in position, the separation cylinder is placed with the primary separation disc and the secondary separation disc in a deflection way, the primary separation disc and the secondary separation disc are respectively provided with a separation hole with different aperture, the primary separation disc and the secondary separation disc are used for purifying mica powder, the separation cylinder is also provided with a rotating assembly which can drive the primary separation disc and the secondary separation disc to deflect, and the rotating assembly comprises a connecting push rod which is movably connected with the primary separation disc and the secondary separation disc;

the separating drum is also communicated with a circulating component capable of circularly purifying the mica powder after separation and purification, the circulating component comprises two processing drums which are arranged in parallel, and the positions of the two processing drums are respectively consistent with the positions of the primary separating disc and the secondary separating disc.

Preferably, storage funnel's bottom mounting intercommunication has the blast pipe, just the fixed intercommunication of one end of blast pipe has the draught fan, the fixed intercommunication of the other end of blast pipe is in the input of cylinder, just still be equipped with the unloading valve rather than the looks adaptation on the storage funnel, the unloading valve is manual or electronic type valve and can control the unloading rate of mica powder in the storage funnel.

Preferably, the diameters of the two ends of the separating cylinder are different, two rotating holes corresponding to the positions are formed in the inner wall of the top side of the separating cylinder, rotating shafts are rotatably sleeved in the two rotating holes, the top ends and the bottom ends of the two rotating shafts penetrate through the corresponding rotating holes, the bottom ends of the two rotating shafts are fixedly connected with the primary separating disc and the secondary separating disc respectively, and the primary separating disc and the secondary separating disc are arranged in a deflection mode and keep different axes with the separating cylinder;

the bottom side of the separating cylinder is further provided with two discharging holes, the positions of the two discharging holes are matched with the primary separating disc and the secondary separating disc respectively, the two discharging holes are located on one side of the corresponding primary separating disc or one side of the corresponding secondary separating disc respectively and can be adapted to the multi-angle rotation of the primary separating disc and the multi-angle rotation of the secondary separating disc respectively, and two discharging extending ends corresponding to the positions of the corresponding discharging holes are fixedly connected to the outer wall of the bottom side of the separating cylinder.

Preferably, the bottom side of the separation barrel is provided with two treatment barrels corresponding to each other in position, the two treatment barrels are different in height and are vertically and fixedly communicated with feeding enclosing barriers different in height, and the two feeding enclosing barriers are respectively sleeved on the corresponding discharging extension ends in a sliding manner.

Preferably, one end of each of the two treatment cylinders is provided with an opening and is fixedly communicated with a circulating pipe, the other end of each of the two circulating pipes is fixedly communicated with the same integrated pipe, and the top end of the integrated pipe is fixedly communicated with the thinner end of the separation cylinder.

Preferably, an arc-shaped baffle is fixedly installed on the inner wall of one end, communicated with the integrated pipe, of the separation cylinder, and the arc-shaped baffle is used for preventing the induced draft fan from blowing the mica powder in the air supply pipe into the integrated pipe;

and circulating valves matched with the corresponding circulating pipes are arranged on the two circulating pipes.

Preferably, the two treatment barrels are fixedly communicated with discharge pipes for discharging mica powder, one ends of the two discharge pipes are flat openings and communicated with the bottom sides of the corresponding treatment barrels, and the other ends of the two discharge pipes are arranged in a circular pipe shape and communicated with an external air suction fan;

and the two discharging pipes are respectively provided with a discharging valve matched with the corresponding discharging pipe.

Preferably, the other ends of the two treatment barrels are fixedly communicated with connecting pipes which are smaller than the treatment barrels in pipe diameter and are parallel, the connecting pipes are communicated with one ends of the corresponding treatment barrels in a tangent line manner, the other ends of the two connecting pipes are fixedly communicated with a same three-way pipe, and a circulating fan is fixedly communicated with the air inlet end of the three-way pipe;

and the three-way pipe is also provided with two air supply valves corresponding to the corresponding connecting pipes respectively.

Preferably, the adjacent sides of the primary separation disc and the secondary separation disc are fixedly provided with connecting rings with corresponding positions, and the two connecting rings have the same height and are rotatably sleeved with the same connecting push rod;

the outer wall fixed mounting of separator cylinder has the rotation motor, one of them the top of axis of rotation extends to the separator cylinder is outer and fixed connection in the one end of rotating motor upper output shaft.

(III) advantageous effects

Compared with the prior art, the invention provides the airflow purification device for producing the mica powder, which has high stability and the following beneficial effects:

1. this high mica powder production of stability is with air purification device, through the draught fan, make it blow to the cylinder in with the mica powder granule in the air supply pipe, under the quick of air current of pulling for the mica powder granule of different thicknesses passes through different separation discs, distinguishes the collection by thick to thin mica powder with different granules in proper order, compares in prior art vortex separator's purification mode, and this method can reduce the influence that uncertain factors such as air current disorder brought, possess better purification effect.

2. This high mica powder production of stability is with air purification device, the air purification in-process, deflection setting through one-level separating disc and second grade separating disc, when making the mica powder in the air supply pipe blown to the separating disc on, can make the mica powder granule initiatively slide on the separating disc, avoid the straight face striking separating disc of mica powder, lead to local mica powder to pile up the problem of inconvenient scattering easily under fast-speed air current effect, furthermore, can also be through the angle of opening and shutting of unloading valve, be the unloading rate of mica powder in storage hopper, control rotation motor operation, make the second grade separating disc rotate and through the interlock effect of connecting push rod with the go-between, make other separating discs take place the synchronous deflection, thereby realize the degree of deflection of separating disc and the unloading rate phase-match of mica powder, smoothness when ensureing the mica powder purification.

3. This high mica powder production of stability is with air purification device, mica powder after the separation, according to the particle size of mica powder through the extension end of unloading that corresponds and pan feeding enclose to keep off concentrate collect in corresponding processing section of thick bamboo, and inhale the effect of fan and discharging pipe through the outside, inhale the mica powder granule after the separation to the outside, accomplish and collect, if the mica powder granule purity after discovering the purification is not up to standard, then open corresponding air supply valve, through circulating fan operation, make it discharge the inlet end to the separator through circulating pipe and collecting pipe with the mica powder in corresponding processing section of thick bamboo, thereby accomplish the circulation purification with the cooperation of draught fan, further improve the separation purity of mica powder.

Drawings

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

FIG. 2 is a perspective view of a second perspective view of the present invention;

FIG. 3 is a schematic sectional view of the separating cylinder of the present invention;

FIG. 4 is a schematic perspective view of a portion of the present invention;

FIG. 5 is a schematic view of the interior of the separation cylinder according to the present invention;

FIG. 6 is a schematic perspective view of another perspective view of the interior of the separation barrel of the present invention;

fig. 7 is a schematic perspective view of a part of the present invention.

In the figure: 1. an induced draft fan; 2. an air supply pipe; 3. a material storage hopper; 4. a blanking valve; 5. a separation cylinder; 6. a primary separation disc; 7. a secondary separation disc; 8. a discharge extension end; 9. a treatment cylinder; 10. feeding enclosing; 11. a discharge pipe; 12. a discharge valve; 13. a circulation pipe; 14. an integration pipe; 15. an arc-shaped baffle plate; 16. a circulation valve; 17. a connecting pipe; 18. a three-way pipe; 19. a circulating fan; 20. a blast valve; 21. a connecting ring; 22. connecting a push rod; 23. rotating the motor; 24. collecting the cloth bag.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As described in the background art, the prior art has disadvantages, and in order to solve the above technical problems, the present application provides an airflow purification apparatus for producing mica powder with high stability.

In a typical embodiment of the application, as shown in fig. 1 to 7, an airflow purification device for producing high-stability mica powder comprises a storage hopper 3 for continuously discharging mica powder, wherein an induced draft fan 1 and a separation cylinder 5 are respectively and fixedly communicated with two sides of the storage hopper 3, and the induced draft fan 1 is used for pushing the mica powder in the storage hopper 3 into the separation cylinder 5 for separation and purification;

a separation assembly is arranged in the separation cylinder 5, the separation assembly comprises a primary separation disc 6 and a secondary separation disc 7 which are corresponding in position, the separation cylinder 5 deflects and places the primary separation disc 6 and the secondary separation disc 7, separation holes with different apertures are formed in the primary separation disc 6 and the secondary separation disc 7, the primary separation disc 6 and the secondary separation disc 7 are used for purifying mica powder, a rotation assembly capable of driving the primary separation disc 6 and the secondary separation disc 7 to deflect is further arranged on the separation cylinder 5, and the rotation assembly comprises a connecting push rod 22 movably connected with the primary separation disc 6 and the secondary separation disc 7;

the separating cylinder 5 is also communicated with a circulating component which can circularly purify the mica powder after separation and purification, the circulating component comprises two processing cylinders 9 which are arranged in parallel, and the positions of the two processing cylinders 9 are respectively consistent with the positions of the first-stage separating disc 6 and the second-stage separating disc 7.

Further, in above-mentioned scheme, storage funnel 3's bottom mounting intercommunication has blast pipe 2, and the fixed intercommunication of one end of blast pipe 2 has draught fan 1, the fixed intercommunication of the other end of blast pipe 2 is at the input of separator 5, and still be equipped with the unloading valve 4 rather than the looks adaptation on storage funnel 3, unloading valve 4 is manual or electric type valve and can control the unloading rate of mica powder in storage funnel 3, through setting up storage funnel 3, be convenient for realize the continuous unloading of mica powder, through setting up unloading valve 4, be convenient for control the unloading rate of mica powder, thereby indirect control purification rate.

As an implementation manner in the embodiment, the diameters of the two ends of the separation cylinder 5 are different, and the inner wall of the top side of the separation cylinder 5 is provided with two rotating holes corresponding to each other, the rotating shafts are rotatably sleeved in the two rotating holes, the top ends and the bottom ends of the two rotating shafts respectively penetrate through the corresponding rotating holes, the bottom ends of the two rotating shafts are respectively and fixedly connected with a primary separation disc 6 and a secondary separation disc 7, and the primary separation disc 6 and the secondary separation disc 7 are arranged in a deflection way and keep different axes with the separation cylinder 5, by arranging the separation holes with different apertures, the primary separation disc 6 and the secondary separation disc 7 can distinguish and block mica powder particles with different thicknesses under the blowing action of the draught fan 1, through the deflection arrangement of the primary separating disk 6 and the secondary separating disk 7, compared with the prior art, the mica powder which is fed along the storage hopper 3 and blown into the separating cylinder 5 directly obliquely impacts on the separating disks, and through the action of inertia and air flow guidance, the powder is promoted to continuously move on the separating disks, thereby realizing the accurate separation of the mica powder with different diameter particles through the separating discs with corresponding apertures, avoiding the phenomenon that the powder is not easy to continuously move when vertically impacting on the separating discs to cause small-range accumulation, in order to realize multi-stage screening and purification of mica powder, a plurality of separating discs can be installed according to actual requirements, meanwhile, as can be seen from the arrangement of the attached drawings, the aperture of the separation hole on the right-side separation disc is larger than that of the separation hole on the adjacent left-side separation disc, therefore, multi-stage purification is realized, and compared with the existing cyclone separation technology, the mica powder with different diameter particles can be strictly ensured to penetrate through the corresponding separation discs by arranging the multi-stage separation discs with different apertures, so that accurate separation and purification are realized;

in this embodiment, the discharge opening of two positions respectively with one-

level separation dish

6 and 7 looks adaptations of second grade separation dish is still seted up to the bottom side of separator 5, two discharge openings are located the one side of the one-level separation dish 6 or the second grade separation dish 7 that correspond respectively and can adapt to the multi-angle rotation of one-level separation dish 6 and second grade separation dish 7 respectively, and it unloads extension end 8 with the corresponding discharge opening position respectively to go back two fixedly connected with on the bottom side outer wall of separator 5, through setting up discharge opening and extension end 8 of unloading, be convenient for distinguish the concentrated collection to the mica powder after the separation, in addition, the one end of separator 5 has still cup jointed dirt-proof collection sack 24, adopt and collect sack 24 and collect the mica powder, both conveniently filter the collection to the powder, can avoid the mica powder to cause dust pollution to the environment again.

Further, in the above scheme, the bottom side of the separation cylinder 5 is provided with two treatment cylinders 9 corresponding in position, the two treatment cylinders 9 are different in height and are vertically and fixedly communicated with feeding enclosing barriers 10 different in height, the two feeding enclosing barriers 10 are respectively slidably sleeved on the corresponding discharging extension ends 8, and the feeding enclosing barriers 10 are arranged, so that mica powder separated in the separation cylinder 5 can smoothly enter the treatment cylinders 9.

As an implementation manner in this embodiment, one end of each of the two processing cylinders 9 is open and is fixedly communicated with a circulating pipe 13, the other end of each of the two circulating pipes 13 is fixedly communicated with a same integrated pipe 14, the top end of the integrated pipe 14 is fixedly communicated with a thinner end of the separation cylinder 5, and by arranging the circulating pipe 13 and the integrated pipe 14, the mica powder after separation is conveniently blown into one end of the separation cylinder 5 from the processing cylinder 9, so that the purpose of circular separation and purification is achieved by matching with the operation of the induced draft fan 1.

Further, in the above scheme, an arc-shaped baffle plate 15 is fixedly installed on an inner wall of one end of the separating cylinder 5, which is communicated with the integrating pipe 14, and the arc-shaped baffle plate 15 is used for preventing the draught fan 1 from blowing the mica powder in the air supply pipe 2 into the integrating pipe 14, so that the mica powder in the circulating pipe 13 can smoothly enter the separating cylinder 5 and is prevented from being influenced by air flows in other directions, and in addition, during normal operation, the mica powder in the storage hopper 3 can be prevented from accidentally entering the integrating pipe 14 when being conveyed along the air supply pipe 2, so that the operation of the whole system is disordered;

in this embodiment, the two circulation pipes 13 are respectively provided with a circulation valve 16 adapted to the corresponding circulation pipe 13, and by providing the circulation valves 16, whether the mica powder in the corresponding channel needs to be circularly separated and purified can be judged according to the purification precision of the discharge of the different discharge pipes 11, so that the communication pipe 17 of the corresponding channel is selectively opened, and the powder in the treatment cylinder 9 which cannot reach the separation standard is conveyed to the air supply pipe 2 again through the circulation pipe 13 and the integrated pipe 14 in cooperation with the action of the circulation fan 19, thereby realizing the selective circulation purification of the multi-specification mica powder particles.

As an implementation manner in this embodiment, the two treatment cylinders 9 are fixedly communicated with discharge pipes 11 for discharging mica powder, one end of each of the two discharge pipes 11 is arranged in a flat shape and is communicated with the bottom side of the corresponding treatment cylinder 9, the other end of each of the two discharge pipes 11 is arranged in a circular tube shape and is communicated with an external air suction fan, and by adopting the flat shape of the discharge pipe 11, when the external air suction fan operates, mica powder on the inner wall of the inner bottom side of the treatment cylinder 9 can be smoothly sucked into the corresponding discharge pipe 11, so as to complete discharge collection;

in this embodiment, still all be equipped with the discharge valve 12 with the 11 looks adaptations of discharge pipe that correspond on two discharge pipes 11, through setting up discharge valve 12, cooperate circulating fan 19 operation to realize that the mica powder in the multichannel distinguishes and collects.

Further, in the above scheme, the other ends of the two treatment cylinders 9 are fixedly communicated with connecting pipes 17 which have a pipe diameter smaller than that of the treatment cylinders 9 and are parallel to each other, the connecting pipes 17 are communicated with the corresponding treatment cylinders 9 in a tangent line manner, the other ends of the two connecting pipes 17 are fixedly communicated with a same three-way pipe 18, the air inlet end of the three-way pipe 18 is fixedly communicated with a circulating fan 19, and the circulating fan 19 operates to blow mica powder in the corresponding treatment cylinder 9 into the circulating pipe 13 through the three-way pipe 18 for cyclic impurity removal and purification;

in this embodiment, the three-way pipe 18 is further provided with two air supply valves 20 respectively corresponding to the corresponding connecting pipes 17.

As an implementation manner in this embodiment, the connecting rings 21 with corresponding positions are fixedly mounted on the adjacent sides of the primary separating disk 6 and the secondary separating disk 7, the two connecting rings 21 have the same height and are rotatably sleeved with the same connecting push rod 22, and the connecting push rod 22 is arranged, so that one of the separating disks can drive the other separating disk to synchronously rotate when deflecting, thereby changing the deflection angles of the plurality of separating disks, adjusting the deflection degree of the separating disks according to the blanking rate of the mica powder, and enabling the mica powder particles to actively slide when impacting the separating disks under the guidance of air flow, so as to avoid the phenomenon of particle accumulation caused by straight impact on the separating disks;

in this embodiment, the outer wall fixed mounting of knockout drum 5 has rotation motor 23, and the top of one of them axis of rotation extends to the knockout drum 5 outside and the one end of fixed connection output shaft on rotating motor 23, can know from the drawing that when rotating motor 23 operates, indirectly makes secondary separation dish 7 rotate to drive other separation dishes and take place synchronous deflection.

The working principle of the invention is as follows: when mica powder is required to be separated and purified, pouring the mica powder to be purified into a storage hopper 3, and controlling a blanking valve 4 to open a certain angle, so as to control the blanking rate of the mica powder in the storage hopper 3, and meanwhile, starting an induced draft fan 1 to blow the mica powder particles in an air supply pipe 2 into a separation cylinder 5, so that the mica powder particles with different thicknesses pass through different separation discs under the quick traction of air flow, and the mica powder particles with different particles are sequentially distinguished and collected from coarse to fine;

in the mica powder air flow purification process, the deflection arrangement of the primary separation disc 6 and the secondary separation disc 7 ensures that when the mica powder in the air supply pipe 2 is blown to the separation discs, mica powder particles can be promoted to actively slide on the separation discs, the direct impact of the mica powder on the separation discs is avoided, and the problem that local mica powder is accumulated and is inconvenient to scatter under the action of high-speed air flow is easily caused;

the mica powder separated in the separation barrel 5 is collected in the corresponding treatment barrel 9 through the corresponding discharging extension end 8 and the feeding enclosing baffle 10 according to the particle size of the mica powder, and the separated mica powder particles are sucked to the outside through the external suction fan and the discharging pipe 11, so that the collection is completed, if the purity of the purified mica powder particles is found not to reach the standard, the corresponding air supply valve 20 is opened, and the circulating fan 19 operates to discharge the mica powder in the corresponding treatment barrel 9 to the air inlet end of the separation barrel 5 through the circulating pipe 13 and the integrated pipe 14, so that the mica powder is matched with the induced draft fan 1 to complete the circulating purification, and the separation purity of the mica powder is further improved.

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 a high mica powder production air current purification device of stability which characterized in that: the mica powder continuous discharging device comprises a storage hopper (3) for continuously discharging mica powder, wherein both sides of the storage hopper (3) are respectively and fixedly communicated with an induced draft fan (1) and a separation cylinder (5), and the induced draft fan (1) is used for pushing the mica powder in the storage hopper (3) into the separation cylinder (5) for separation and purification;

a separation assembly is arranged in the separation cylinder (5), the separation assembly comprises a primary separation disc (6) and a secondary separation disc (7) which are corresponding in position, the separation cylinder (5) is placed in a deflected manner, the primary separation disc (6) and the secondary separation disc (7) are respectively provided with a separation hole with different pore diameters, the primary separation disc (6) and the secondary separation disc (7) are used for purifying mica powder, the separation cylinder (5) is also provided with a rotating assembly capable of driving the primary separation disc (6) and the secondary separation disc (7) to deflect, and the rotating assembly comprises a connecting push rod (22) movably connected with the primary separation disc (6) and the secondary separation disc (7);

the separating cylinder (5) is also communicated with a circulating component capable of circularly purifying the separated and purified mica powder, the circulating component comprises two treatment cylinders (9) which are arranged in parallel, and the positions of the two treatment cylinders (9) are respectively consistent with the positions of the primary separating disc (6) and the secondary separating disc (7);

the bottom end of the storage hopper (3) is fixedly communicated with an air supply pipe (2), one end of the air supply pipe (2) is fixedly communicated with the draught fan (1), the other end of the air supply pipe (2) is fixedly communicated with the input end of the separation barrel (5), the storage hopper (3) is further provided with a blanking valve (4) matched with the storage hopper, and the blanking valve (4) is a manual or electric valve and can control the blanking rate of mica powder in the storage hopper (3);

the diameters of two ends of the separating cylinder (5) are different, two rotating holes corresponding to the positions are formed in the inner wall of the top side of the separating cylinder (5), rotating shafts are rotatably sleeved in the two rotating holes, the top ends and the bottom ends of the two rotating shafts penetrate through the corresponding rotating holes, the bottom ends of the two rotating shafts are fixedly connected with the primary separating disc (6) and the secondary separating disc (7) respectively, and the primary separating disc (6) and the secondary separating disc (7) are arranged in a deflection mode and keep different axes with the separating cylinder (5);

the bottom side of the separating cylinder (5) is also provided with two discharge holes, the positions of the discharge holes are respectively matched with the primary separating disc (6) and the secondary separating disc (7), the two discharge holes are respectively positioned at one side of the corresponding primary separating disc (6) or the secondary separating disc (7) and can respectively adapt to the multi-angle rotation of the primary separating disc (6) and the secondary separating disc (7), and the outer wall of the bottom side of the separating cylinder (5) is also fixedly connected with two discharge extension ends (8) which respectively correspond to the positions of the corresponding discharge holes;

one side of the primary separating disc (6) adjacent to one side of the secondary separating disc (7) is fixedly provided with connecting rings (21) with corresponding positions, and the two connecting rings (21) have the same height and are rotatably sleeved with the same connecting push rod (22);

the outer wall fixed mounting of separator cylinder (5) has rotation motor (23), and one of them the top of axis of rotation extends to outside the separator cylinder (5) and fixed connection in the one end of output shaft on rotation motor (23).

2. The airflow purification device for producing mica powder with high stability according to claim 1, wherein: the bottom side of the separation barrel (5) is provided with two treatment barrels (9) corresponding to each other in position, the two treatment barrels (9) are different in height and are vertically and fixedly communicated with feeding enclosing baffles (10) different in height, and the two feeding enclosing baffles (10) are respectively sleeved on the corresponding discharging extension ends (8) in a sliding mode.

3. The airflow purification device for producing mica powder with high stability as claimed in claim 2, wherein: two the one end of handling section of thick bamboo (9) is the opening setting and equally divide the fixed intercommunication respectively to have circulating pipe (13), two the other end of circulating pipe (13) all is fixed the intercommunication has same integrated pipe (14), the fixed intercommunication in top of integrated pipe (14) is in thinner one end on separating drum (5).

4. The airflow purification device for producing mica powder with high stability as claimed in claim 3, wherein: an arc-shaped baffle plate (15) is fixedly installed on the inner wall of one end, communicated with the integrated pipe (14), of the separating cylinder (5), and the arc-shaped baffle plate (15) is used for preventing the induced draft fan (1) from blowing mica powder in the blast pipe (2) into the integrated pipe (14);

and circulating valves (16) matched with the corresponding circulating pipes (13) are arranged on the two circulating pipes (13).

5. The airflow purification device for producing mica powder with high stability as claimed in claim 3, wherein: discharge pipes (11) for discharging mica powder are fixedly communicated with the two treatment barrels (9), one ends of the two discharge pipes (11) are flat openings and are communicated with the bottom sides of the corresponding treatment barrels (9), and the other ends of the two discharge pipes (11) are round pipes and are communicated with an external air suction fan;

and the two discharging pipes (11) are also respectively provided with a discharging valve (12) matched with the corresponding discharging pipe (11).

6. The airflow purification device for producing mica powder with high stability as claimed in claim 5, wherein: the other ends of the two treatment barrels (9) are fixedly communicated with connecting pipes (17) which are smaller than the treatment barrels (9) in pipe diameter and are parallel, the connecting pipes (17) are communicated with one corresponding end of the treatment barrels (9) in a tangent line mode, the other ends of the two connecting pipes (17) are fixedly communicated with a same three-way pipe (18), and a circulating fan (19) is fixedly communicated with the air inlet end of the three-way pipe (18);

and two air supply valves (20) which respectively correspond to the corresponding connecting pipes (17) are also arranged on the three-way pipe (18).