CN213349760U - High-efficient selection powder machine - Google Patents

Abstract

The utility model relates to a high-efficient selection powder machine, it includes the barrel of vertical setting, inside rotor and the branch charging tray of being provided with of barrel, it is located the rotor top to divide the charging tray, the barrel outside is provided with and is used for rotor and branch charging tray pivoted drive assembly simultaneously, the intercommunication has the inlet pipe on the barrel, the discharging pipe, first air-supply line and play tuber pipe, the inlet pipe discharge end is located branch charging tray top and just to dividing the charging tray setting, the discharging pipe is located the barrel bottom, first air-supply line is located the barrel lower part, it is inside to go out tuber pipe one end and deepen the barrel, it is located the inside one end cage of barrel and covers in branch charging tray top to go out the tuber pipe, the intraductal fixed crushed aggregates subassembly that is used for the material to break up that is provided. This application has and disperses better abundant to different particle diameter materials, promotes the effect of selection powder efficiency.

Description

High-efficient selection powder machine

Technical Field

The application relates to the field of powder separators, in particular to a high-efficiency powder separator.

Background

The powder concentrator is widely applied to coal mills, raw material discharge drying mills and cement mill systems in novel dry cement production lines at present. The powder concentrator is matched with different types according to different materials.

The cement powder concentrator of correlation technique rotates rotor and branch charging tray through drive arrangement, and the material drops into from dividing the charging tray top, is broken up by dividing the charging tray then, and the large granule material is direct to be sent out from the discharge gate in below, and the rotor rotates and forms strong and stable plane vortex, and the tiny particle material gets into inside the rotor, and the intercommunication has air intake and air outlet on the powder concentrator, and the tiny particle material gets into the tuber pipe along with the circulated air, accomplishes the sorting of coarse fodder and fine fodder then.

Aiming at the related technologies, the inventor thinks that the defects that the material separating disc does not sufficiently disperse materials with different grain diameters and the powder selecting efficiency is reduced exist.

SUMMERY OF THE UTILITY MODEL

In order to improve the branch charging tray and to the not enough defect of reducing the selection powder efficiency of different particle size material dispersion, this application provides a high-efficient selection powder machine.

The application provides a high-efficient selection powder machine adopts following technical scheme:

the utility model provides a high-efficient selection powder machine, barrel including vertical setting, inside rotor and the branch charging tray of being provided with of barrel, it is located the rotor top to divide the charging tray, the barrel outside is provided with and is used for rotor and branch charging tray pivoted drive assembly simultaneously, the intercommunication has the inlet pipe on the barrel, the discharging pipe, first air-supply line and play tuber pipe, the inlet pipe discharge end is located branch charging tray top and just to dividing the charging tray setting, the discharging pipe is located the barrel bottom, first air-supply line is located the barrel lower part, it goes out inside tuber pipe one end and gos out the inside one end cage of barrel and covers in branch charging tray top, the fixed crushed aggregates subassembly that is used for the material to break up that is provided with of inlet pipe, the intercommunication has the branch material subassembly that cooperates the crushed aggregates.

By adopting the technical scheme, the barrel provides a powder selecting space for material powder selection, the material is put into the feeding pipe, the material entering the feeding pipe is broken up by the crushing assembly, one part of the broken material enters the barrel through the material distributing assembly, the other part of the material enters the barrel through the first feeding pipe, and the material is primarily selected in the process; the material entering the barrel through the feeding pipe falls on the material distribution plate, the driving assembly is started to enable the rotor and the material distribution plate to rotate simultaneously, the rotation of the material distribution plate generates centrifugal force, the material falling on the material distribution plate is thrown onto the inner wall of the barrel and falls under the action of gravity, the first air inlet pipe supplies air to the interior of the barrel, the falling small particle materials are blown up and blown to the rotor, the small particle materials are thrown to the air outlet pipe under the action of strong and stable plane vortex formed by the rotation of the rotor and are finally discharged out of the barrel, and the falling large particle materials cannot be blown up and finally fall into the discharging pipe and are discharged out of the barrel; the partial materials entering the barrel body through the material distribution assembly are blown up in the barrel body and finally discharged out of the barrel body through the air outlet pipe, the material distribution plate distribution pressure is reduced by the material distribution assembly and the material distribution assembly, meanwhile, the material distribution efficiency of the materials entering the barrel body is indirectly enhanced, the materials with different particle sizes are dispersed better and fully, and the powder selection efficiency is improved.

Preferably, the crushed aggregates component comprises a first baffle and a second baffle, one end of the first baffle is fixedly connected with the inner wall of the feeding pipe, the other end of the first baffle is obliquely and downwards arranged at a position close to the center line of the feeding pipe, the second baffle is arranged right opposite to the first baffle, one end of the second baffle is fixedly connected with the inner wall of the feeding pipe, the other end of the second baffle is obliquely and downwards arranged at a position close to the center of the feeding pipe, and the first baffle and the second baffle are arranged in a vertically staggered manner; the material distributing assembly comprises a material distributing pipe and a filter screen, one end of the material distributing pipe is communicated with the middle of the feeding pipe, the communicating position is opposite to the length extending direction of the second baffle, the other end of the material distributing pipe is communicated with the barrel, the communicating position is opposite to the rotor, and the filter screen is fixedly arranged at the communicating position of the material distributing pipe and the feeding pipe and completely covers the material distributing pipe.

Through adopting above-mentioned technical scheme, the inlet pipe is sent into to the material, the material receives the influence of gravity, fall downwards, fall on first baffle, the slope trend of complying with first baffle, the material that hits to scatter then strikes on the second baffle, carry out the secondary and hit to scatter, then erode in filter screen department, the tiny particle material is sieved out by the filter screen and gets into in the feed pipe, finally get into the inside secondary separation that carries out of barrel, the material that does not pass through the filter screen complies with the inlet pipe and gets into the barrel and select separately, crushed aggregates subassembly and branch material subassembly cooperation are used and have carried out the first separation with the material in the feed pipe, reach and alleviate branch charging tray branch material pressure, indirect branch material efficiency to getting into the barrel material has been strengthened simultaneously, it is better abundant to different particle diameter material dispersions, promote the effect of selection powder.

Preferably, the inlet pipe is located the vertical lateral wall of barrel and the slope sets up, and the incline direction upwards sets up along keeping away from the slope of barrel direction, and the filter screen is located inlet pipe and is close to ground one side.

Through adopting above-mentioned technical scheme, the slope sets up at the inlet pipe, makes first baffle and second baffle carry out more abundant blockking to the material, and is more abundant when making the material erode the filter screen, has promoted the first efficiency of selecting separately the material.

Preferably, drive assembly includes the motor, speed reducer and main shaft, the motor is connected but the two all with barrel fixed connection with the speed reducer, speed reducer and main shaft fixed connection, the main shaft is vertical to run through the barrel top and goes out the tuber pipe, the branch charging tray includes ring sideboard, flabellum and interior sideboard, interior sideboard is the ring form, interior sideboard ring cover is fixed and is located the inside one end of barrel at the main shaft, ring sideboard ring cover is outside at interior sideboard circumference outer wall, and there is the distance between the two, the flabellum is provided with a plurality ofly, the flabellum is located between ring sideboard and the interior sideboard, flabellum one end and ring sideboard fixed connection, the other end and interior sideboard fixed connection, adjacent flabellum uses the main shaft to.

Through adopting above-mentioned technical scheme, the motor provides power for the rotation of main shaft, and the main shaft rotates when the speed reducer and joins in marriage the speed and provide big moment of torsion for the main shaft simultaneously, and main shaft and interior crown plate fixed connection drive the ring sideboard through the flabellum and rotate, thereby the material that falls on the ring sideboard receives the centrifugal force that the ring sideboard rotated the production and scatters inside the barrel, and the setting of flabellum has increaseed the wind-force of flow direction air outlet, promotes the sorting efficiency of material.

Preferably, the annular edge plate is fixedly provided with a filter plate, the filter plate is vertically arranged and is annular, and the filter plate is positioned at the position, close to the main shaft, of the annular edge plate.

Through adopting above-mentioned technical scheme, the setting of filter plate plays the material that falls on the ring sideboard and blocks the effect, reduces the material and does not blow the quantity that this step directly falls into the rotor through wind-force, reaches the effect of guaranteeing material sorting quality, lowers the influence to material sorting quality.

Preferably, a plurality of through holes are formed in the filter plate, and adjacent through holes are formed along the circumferential outer wall of the filter plate at equal intervals.

Through adopting above-mentioned technical scheme, the setting up of through-hole makes the filter plate produce the screening function, screens the material that strikes on the filter plate, and the material of small particle size passes in the through-hole directly gets into the rotor, reaches the effect that promotes material separation efficiency.

Preferably, the cylinder is communicated with a second air inlet pipe, and the horizontal projections of the first air inlet pipe and the second air inlet pipe are centrosymmetric by taking the vertical central line of the cylinder as a symmetric axis.

Through adopting above-mentioned technical scheme, the setting of second air-supply line has strengthened wind-force, cooperates first air-supply line to produce the air current that circles round in the barrel simultaneously, has promoted the efficiency that blows, reaches the effect that promotes material separation efficiency.

Preferably, the first air inlet pipe and the second air inlet pipe are obliquely arranged, and the oblique direction is obliquely and downwards arranged along the direction far away from the cylinder body.

Through adopting above-mentioned technical scheme, the direction that sets up of slope makes the wind gap up, and the material of the small particle size of being convenient for wind blows up.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the material crushing assembly and the material distributing assembly are matched for use to carry out primary separation on materials in the feeding pipe, so that the material distributing pressure of the material distributing plate is relieved, the material distributing efficiency of the materials entering the barrel is indirectly enhanced, the materials with different particle sizes are better and fully dispersed, and the powder selecting efficiency is improved;

2. the second air inlet pipe enhances wind power, and meanwhile, the second air inlet pipe is matched with the first air inlet pipe to generate rotary airflow in the barrel, so that the blowing efficiency is improved, and the effect of improving the material sorting efficiency is achieved;

3. the filter plate produces the screening function to the setting of through-hole, screens the material that strikes on the filter plate, and the material of small particle size passes in the through-hole directly gets into the rotor, reaches the effect that promotes material separation efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a sectional view of the internal structure of an embodiment of the present application;

FIG. 3 is a schematic view illustrating a structure of a part of a distributing tray according to an embodiment of the present application;

fig. 4 is a top view of an embodiment of the present application.

Description of reference numerals: 1. a barrel; 11. a feed pipe; 12. a discharge pipe; 13. a first air inlet pipe; 14. a second air inlet pipe; 15. an air outlet pipe; 2. a rotor; 3. distributing disks; 31. a ring edge plate; 32. a fan blade; 33. an inner ring plate; 4. a drive assembly; 41. a motor; 42. a speed reducer; 43. a main shaft; 5. a scrap assembly; 51. a first baffle plate; 52. a second baffle; 6. a material distributing component; 61. distributing pipes; 62. a filter screen; 7. filtering the plate; 71. and a through hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a high-efficient selection powder machine.

Referring to fig. 1 and 2, a high-efficiency powder concentrator comprises a cylinder body 1, the cylinder body 1 is vertically arranged, four support legs are fixedly arranged at the bottom of the cylinder body 1, the cylinder body 1 is supported away from the ground by the support legs, a feed pipe 11, a discharge pipe 12, a first air inlet pipe 13, a second air inlet pipe 14 and an air outlet pipe 15 are communicated with the cylinder body 1, the communication position of the feed pipe 11 and the cylinder body 1 is positioned at the side wall of the cylinder body 1, the communication position of the discharge pipe 12 and the cylinder body 1 is positioned at the bottom of the cylinder body 1, the communication positions of the first air inlet pipe 13 and the second air inlet pipe 14 are both positioned at the side wall of the cylinder body 1 and below the feed pipe 11, the air outlet pipe 15 is positioned at the side wall of the cylinder body 1 close to the top, a driving assembly 4 is arranged at the top of the cylinder body 1, a material distribution disc 3 and a rotor 2 are arranged in the cylinder body 1, the material, the feeding pipe 11 is provided with a crushed material component 5, the crushed material component 5 is used for dispersing materials entering the feeding pipe 11, a material distribution component 6 is arranged between the feeding pipe 11 and the cylinder 1, the material distribution component 6 is used for matching the crushed material component 5 to separate materials with different particle sizes and convey the materials into the cylinder 1, the materials are put into the feeding pipe, the materials are scattered by the crushed material component 5, partial small particle materials enter the material distribution component 6 and finally enter the cylinder 1 to be sorted, the materials which do not enter the material distribution component 6 finally also enter the cylinder 1 to be scattered for the second time by the material distribution plate 3, the materials inside the cylinder 1 receive the blowing force of the first air inlet pipe 13 and the second air inlet pipe 14, the small materials rise upwards to enter the rotor 2, the rotor 2 is driven by the driving component 4 to rotate so as to generate strong and stable plane vortex, then the small particle materials are conveyed into the air outlet pipe 15 and finally discharged out of the cylinder 1, and material that wind-force can not blow falls into discharging pipe 12 in by the influence of gravity, discharge barrel 1 to realize the sorting of material, crushed aggregates subassembly 5 and branch material subassembly 6 cooperation are used and have been carried out the first sorting with the material in inlet pipe 11, reach and alleviate minute charging tray 3 and divide material pressure, the material is broken up once more and is selected separately in barrel 1 inside, reaches to disperse better abundant to different particle diameter material, promotes the effect of selecting powder efficiency.

Referring to fig. 2 and 3, the diameter of the bottom of the cylinder 1 is gradually reduced, so that materials can better enter the discharge pipe 12, the driving assembly 4 comprises a motor 41, a speed reducer 42 and a main shaft 43, the motor 41 and the speed reducer 42 are both fixedly connected with the top of the cylinder 1, a rotating shaft of the motor 41 is connected with the speed reducer 42, the main shaft 43 is vertically arranged, the main shaft 43 penetrates through the top of the cylinder 1, the main shaft 43 is collinear with a vertical central line at the top of the cylinder 1, one end, exposed out of the cylinder 1, of the main shaft 43 is fixedly connected with the speed reducer 42, and one end, extending into; the material distribution disc 3 comprises an annular edge plate 31, fan blades 32 and an inner annular plate 33, the inner annular plate 33 is annular, the inner annular plate 33 is annularly sleeved on the axial outer wall of the spindle 43, the vertical central line of the inner annular plate 33 and the spindle 43 is collinear, the annular edge plate 31 is horizontally arranged, the annular edge plate 31 is annularly sleeved outside the axial outer wall of the inner annular plate 33, a gap exists between the annular edge plate 31 and the inner annular plate 33, the fan blades 32 are positioned between the inner annular plate 33 and the annular edge plate 31, one end of each fan blade 32 is fixedly connected with the outer wall of the inner annular plate 33, the other end of each fan blade 32 is fixedly connected with the inner wall of the annular edge plate 31, four fan blades 32 are arranged, the spindle 43 of the adjacent fan blades 32 is circumferentially distributed, the top of the annular edge plate 31 is fixedly provided with a filter plate 7, the filter plate 7 is vertically arranged, the filter plate 7 is annular, the filter plate 7 is positioned at the position close to the inner annular plate, the adjacent through holes 71 are distributed along the outer wall of the filter plate 7 at equal intervals, and the through holes 71 penetrate through two sides of the filter plate 7; one end of the air outlet pipe 15 is positioned in the barrel 1, the other end of the air outlet pipe 15 is positioned outside the barrel 1, one end of the air outlet pipe 15 positioned in the barrel 1 is in a flaring shape and is covered above the material distribution disc 3, wherein the main shaft 43 vertically penetrates through the air outlet pipe 15, and the rotation of the main shaft 43 is not influenced by the air outlet pipe 15; the end, communicated with the barrel body 1, of the feeding pipe 11 extends into the barrel body 1 and is located above the annular side plate 31, so that the discharging end is opposite to the top of the annular side plate 31, the feeding pipe 11 is integrally arranged in an inclined mode, the inclined direction inclines upwards along the direction far away from the barrel body 1, materials entering from the feeding pipe 11 impact on the annular side plate 31, the driving assembly 4 drives the inner annular plate 33 and the rotor 2 to rotate, the inner annular plate 33 drives the annular side plate 31 to rotate, the materials are dispersed in the barrel body 1 through centrifugal force generated by the annular side plate 31, the materials are conveniently sorted through wind power, small-particle materials are blown into the rotor 2 through the wind power and then enter the air outlet pipe 15 to be discharged, the efficiency of the small materials entering the air outlet pipe 15 is enhanced through the arrangement of the fan blades 32; on the material on the ring curb plate 31 of striking, on the filter plate 7 that has some impacts, the filter plate 7 has reduced the material that directly falls into rotor 2 inside, and the material of partial small granule directly gets into rotor 2 through-hole 71 inside, has saved the screening process, has promoted screening efficiency, finally reaches to alleviate and divides material disc 3 to divide material pressure, reaches to the better abundant of different particle diameter material dispersions, promotes the effect of selection powder efficiency.

Referring to fig. 2, the material crushing assembly 5 comprises a first baffle 51 and a second baffle 52, one end of the first baffle 51 is fixedly connected with the inner wall of the feeding pipe 11, the other end of the first baffle 51 is obliquely and downwardly arranged near the center line of the feeding pipe 11, the middle part of the second baffle 52 is opposite to the overhanging end of the first baffle 51, one end of the second baffle 52 is fixedly connected with the inner wall of the feeding pipe 11, the other end of the second baffle is obliquely and downwardly arranged near the center of the feeding pipe 11, the first baffle 51 and the second baffle 52 are vertically staggered, the first baffle 51 and the second baffle 52 are one group, and two groups are arranged in the feeding pipe 11 along the length direction of; the material distributing assembly 6 comprises material distributing pipes 61 and filter screens 62, the cross sections of the material distributing pipes 61 are rectangular, two material distributing pipes 61 are arranged, one ends of the material distributing pipes 61 are communicated with the feeding pipes 11, the communication positions of the material distributing pipes 61 are opposite to the length extending direction of the second baffle plates 52, namely, two second baffle plates 52 are arranged in the feeding pipes 11, the material distributing pipes 61 are communicated with the feeding pipes 11 and are arranged in a one-to-one correspondence mode, the other ends of the adjacent material distributing pipes 61 are mutually converged and communicated and then communicated with the barrel body 1, the communication positions of the adjacent material distributing pipes 61 and the barrel body 1 are opposite to the rotor 2, the filter screens 62 are fixedly arranged at the communication positions of the material distributing pipes 61 and the feeding pipes 11 and completely cover the material distributing pipes 61, the materials are influenced by gravity after being fed into the feeding pipes 11, fall downwards and fall on the first baffle plates 51 to continuously slide along, then towards filter screen 62, the tiny particle material passes filter screen 62 and gets into in the branch material pipe 61, finally get into inside then the direct material as early as possible of rotor 2 of getting into of barrel 1 and select separately, the material that does not pass through filter screen 62 complies with the inlet pipe 11 and falls on branch charging tray 3 and carry out follow-up material and select separately the process, crushed aggregates subassembly 5 and branch material subassembly 6 cooperation are used and have carried out the first time with the material and select separately in inlet pipe 11, it divides material pressure to reach and alleviate branch charging tray 3, the indirect branch material efficiency to getting into barrel 1 material of having strengthened simultaneously, it is better abundant to reach different particle diameter material dispersions, promote the effect of selection powder efficiency.

Referring to fig. 4, the horizontal projections of the first air inlet pipe 13 and the second air inlet pipe 14 are distributed in a central symmetry manner by taking the horizontal projection of the vertical center line of the cylinder 1 as a center line, so that the effects of stabilizing and enhancing the wind force of the wind blowing into the cylinder 1 are achieved, and the material sorting efficiency is improved.

The implementation principle of the high-efficiency powder concentrator in the embodiment of the application is as follows: materials are put into the feeding pipe 11, the rotor 2 and the material distribution disc 3 are simultaneously rotated by the driving assembly 4, the materials entering the feeding pipe 11 are scattered by the material crushing assembly 5, and partial materials enter the barrel body 1 through the material distribution assembly 6 and quickly enter the rotor 2, so that the quick sorting of the materials is completed; the other part of the materials enter the cylinder 1 through the first feeding pipe 11 and impact on the material distribution disc 3, the rotation of the material distribution disc 3 generates centrifugal force, so that the materials falling on the material distribution disc 3 are thrown on the inner wall of the cylinder 1 and fall under the action of gravity, the first air inlet pipe 13 and the second air inlet pipe 14 supply air to the inside of the cylinder 1, the falling small particle materials are blown up and blown to the rotor 2, the small particle materials are thrown to the air outlet pipe 15 under the action of strong and stable plane vortex formed by the rotation of the rotor 2 and finally discharged out of the cylinder 1, the falling large particle materials cannot be blown up and finally fall into the discharging pipe 12 and discharged out of the cylinder 1, and the material distribution pressure of the material distribution disc 3 is reduced by the crushed material component 5 and the material distribution component 6, meanwhile, the material distribution efficiency of the materials entering the barrel body 1 is indirectly enhanced, the materials with different particle sizes are dispersed more fully, and the powder selection efficiency is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A high-efficient selection powder machine which characterized in that: the device comprises a vertically arranged barrel body (1), wherein a rotor (2) and a material distribution disc (3) are arranged inside the barrel body (1), the material distribution disc (3) is positioned above the rotor (2), a driving assembly (4) used for rotating the rotor (2) and the material distribution disc (3) simultaneously is arranged outside the barrel body (1), the barrel body (1) is communicated with a feeding pipe (11), a discharging pipe (12), a first air inlet pipe (13) and an air outlet pipe (15), the discharging end of the feeding pipe (11) is positioned above the material distribution disc (3) and is right opposite to the material distribution disc (3), the discharging pipe (12) is positioned at the bottom of the barrel body (1), the first air inlet pipe (13) is positioned at the lower part of the barrel body (1), one end of the air outlet pipe (15) penetrates into the barrel body (1), one end of the air outlet pipe (15) is positioned inside the barrel body (1) and is covered above the material distribution disc (3), and a crushed, a material distributing component (6) which is matched with the material crushing component (5) to separate materials with different particle sizes is communicated between the feeding pipe (11) and the cylinder body (1).

2. The high-efficiency powder concentrator as claimed in claim 1, wherein: the material crushing assembly (5) comprises a first baffle (51) and a second baffle (52), one end of the first baffle (51) is fixedly connected with the inner wall of the feeding pipe (11), the other end of the first baffle is obliquely and downwards arranged at a position close to the center line of the feeding pipe (11), the second baffle (52) is arranged right opposite to the first baffle (51), one end of the second baffle (52) is fixedly connected with the inner wall of the feeding pipe (11), the other end of the second baffle is obliquely and downwards arranged at a position close to the center of the feeding pipe (11), and the first baffle (51) and the second baffle (52) are arranged in a vertically staggered mode; divide material subassembly (6) including dividing material pipe (61) and filter screen (62), divide material pipe (61) one end and inlet pipe (11) middle part intercommunication, the intercommunication department is just to second baffle (52) length extending direction, divides material pipe (61) other end and barrel (1) intercommunication, and the intercommunication department is just to rotor (2) setting, and filter screen (62) are fixed to be set up at dividing material pipe (61) and inlet pipe (11) intercommunication department, and cover branch material pipe (61) completely.

3. The high-efficiency powder concentrator as claimed in claim 2, wherein: the inlet pipe (11) are located on the vertical side wall of the barrel body (1) and are obliquely arranged, the oblique direction is obliquely upwards arranged along the direction away from the barrel body (1), and the filter screen (62) is located on one side, close to the ground, of the inlet pipe (11).

4. The high-efficiency powder concentrator as claimed in claim 1, wherein: the driving assembly (4) comprises a motor (41), a speed reducer (42) and a main shaft (43), the motor (41) is connected with the speed reducer (42) while the motor (41) and the speed reducer (42) are both fixedly connected with the barrel (1), the speed reducer (42) is fixedly connected with the main shaft (43), the main shaft (43) vertically penetrates through the top of the barrel (1) and the air outlet pipe (15), the material distribution disc (3) comprises a ring side plate (31), fan blades (32) and an inner ring plate (33), the inner ring plate (33) is in a circular ring shape, the ring sleeve of the inner ring plate (33) is fixed at one end of the main shaft (43) inside the barrel (1), the ring side plate (31) is sleeved outside the circumferential outer wall of the inner ring plate (33), a distance exists between the ring side plate and the inner ring plate (33), the fan blades (32) are located between the ring side plate (31) and the inner ring plate (33), one end of the fan blades (32) is fixedly, the adjacent fan blades (32) are circumferentially distributed by taking the main shaft (43) as a center.

5. The high-efficiency powder concentrator as claimed in claim 4, wherein: the filter plate (7) is fixedly arranged on the annular edge plate (31), the filter plate (7) is vertically arranged, the filter plate (7) is annular, and the filter plate (7) is positioned at the position, close to the main shaft (43), of the annular edge plate (31).

6. The high-efficiency powder concentrator as claimed in claim 5, wherein: a plurality of through holes (71) are formed in the filter plate (7), and adjacent through holes (71) are formed along the circumferential outer wall of the filter plate (7) at equal intervals.

7. The high-efficiency powder concentrator as claimed in claim 1, wherein: the barrel (1) is communicated with a second air inlet pipe (14), and the horizontal projection of the first air inlet pipe (13) and the second air inlet pipe (14) is centrosymmetric by taking the vertical central line of the barrel (1) as a symmetric axis.

8. The high-efficiency powder concentrator as claimed in claim 7, wherein: the first air inlet pipe (13) and the second air inlet pipe (14) are obliquely arranged, and the oblique direction is obliquely and downwards arranged along the direction far away from the barrel body (1).

Images