CN211887932U - Energy-efficient birotor selection powder machine - Google Patents
Energy-efficient birotor selection powder machine Download PDFInfo
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- CN211887932U CN211887932U CN202020273274.9U CN202020273274U CN211887932U CN 211887932 U CN211887932 U CN 211887932U CN 202020273274 U CN202020273274 U CN 202020273274U CN 211887932 U CN211887932 U CN 211887932U
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Abstract
The utility model belongs to the technical field of the selection powder machine, specifically disclose a high-efficient energy-conserving birotor selection powder machine, including the selection powder storehouse, be equipped with blanking awl and blanking section of thick bamboo in the selection powder storehouse, still be equipped with coaxial blanking inner tube between vertical transmission shaft and the blanking section of thick bamboo, the blanking inner tube with vertical transmission shaft passes through connecting plate fixed connection, the blanking inner tube is equipped with first batch pan that spills outward, first cage shape rotor of batch pan top fixedly connected with that spills, first cage shape rotor outside is equipped with vertical guide blade, the vertical transmission shaft bottom is equipped with the second and spills the batch pan, the second spills batch pan below fixedly connected with second cage shape rotor. The utility model discloses a material that more disperses is shed to the batch pan of double-deck independent feed has been realized to the selection powder effect and the work efficiency of selection powder machine have been improved.
Description
Technical Field
The utility model belongs to the technical field of the selection powder machine, concretely relates to energy-efficient birotor selection powder machine.
Background
The double-rotor powder concentrator is mechanical equipment applied to cement production, can sieve and select cement, dispels large solid granular impurities doped in the cement, and adopts the double-rotor powder concentrator to sort the cement, so that the efficiency of cement processing is improved.
The grinding material enters the inner shell of the powder concentrator from the hopper on the upper part of the powder concentrator, falls onto the combined propeller spreading disc integrated with the rotor, is spread out all around under the high-speed rotation action of the spreading disc, and is simultaneously lifted upwards under the action of updraft generated by the blades of the propeller spreading disc, but generally, the double-rotor powder concentrator only has one spreading disc or two spreading discs, but only one spreading disc is in direct contact with the grinding material, when the feeding quantity is improved, the formed spreading material curtain layer is thicker, the updraft has unsatisfactory material separation effect, and the efficiency can be lowered.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be: the existing double-rotor powder concentrator has low efficiency, and provides a high-efficiency energy-saving double-rotor powder concentrator.
The utility model is realized by the following technical proposal, the high-efficiency energy-saving double-rotor powder concentrator comprises a powder selecting bin, cyclone cylinders, a vertical transmission shaft, a first spreading disc, a second spreading disc, a coarse powder collecting cone and an inner cone, wherein a plurality of cyclone cylinders are evenly arranged outside the powder selecting bin, the air inlets of the cyclone cylinders are connected with the upper end of the powder selecting bin through a tangential pipeline, the top of the powder selecting bin is provided with a feed opening, the powder selecting bin is internally provided with a blanking cone and a blanking cylinder, a coaxial blanking inner cylinder is also arranged between the vertical transmission shaft and the blanking cylinder, the blanking inner cylinder is fixedly connected with the vertical transmission shaft through a connecting plate, the blanking inner cylinder is externally provided with a first spreading disc, a first cage-shaped rotor is fixedly connected above the first spreading disc, the outer side of the first cage-shaped rotor is provided with a vertical guide blade, the bottom end of the vertical transmission shaft is provided with a, the powder selecting device is characterized in that a second cage-shaped rotor is fixedly connected to the lower portion of the second powder scattering disc, a coarse material outlet is formed in the bottom of the powder selecting bin, and the inner cone is arranged below the second cage-shaped rotor and connected with the semi-coarse material outlet.
Further, the first material spreading disc comprises a first hub and a first blade, the first blade is welded to the first hub, and the first hub is sleeved on the blanking inner cylinder and fastened through a bolt.
Further, the second spills the charging tray and includes second wheel hub, second blade, two blade welds on the second wheel hub, be equipped with the shaft hole in the middle of the second wheel hub, vertical transmission shaft passes the shaft hole to fasten through the bolt.
Further, the inclination angle of the first blade during welding is 5-8 degrees.
Further, the inclination angle of the second blade during welding is 5-8 degrees.
Further, the bottom of the first blade is also provided with a reinforcing ring.
Furthermore, a reinforcing ring is arranged at the bottom of the second blade.
Further, the number of the first blades is at least 8.
Further, the number of the second blades is at least 8.
The utility model has the advantages that:
1. the utility model discloses owing to adopt the double-deck charging tray structure that spills, after the material got into the blanking awl, blanking section of thick bamboo gave first charging tray feed that spills, and the blanking inner tube spills the charging tray feed for the second, has reduced the individual layer and has spilt the material weight on the charging tray, can make every layer of material that spills the charging tray spill ground more disperse, and the material curtain is thinner, and under the effect of updraft air, more thorough that coarse fodder and fine fodder can separate to the selection powder effect and the work efficiency of selection powder machine have been improved.
2. The utility model discloses in first spill the charging tray and throw the coarse fodder striking powder selecting storehouse in the material that spills and lose behind the kinetic energy and begin the whereabouts, fall the second and spill charging tray department, spill the material striking that the charging tray was spilled to the second, make it change the dispersion, further improvement the selection powder effect and the work efficiency of selection powder machine.
Drawings
Fig. 1 is a schematic structural view of a high-efficiency energy-saving double-rotor powder concentrator of the present invention;
fig. 2 is a partial enlarged view of the first spreading tray and the second spreading tray of the present invention;
fig. 3 is a half-sectional view of a second spreading disc of the present invention.
In the figure: 1, selecting powder; 11, a feed opening; 12, blanking cone; 13 discharging the barrel; 14, an inner blanking cylinder; 15 a coarse material outlet; 16 half coarse material outlet; 2, a cyclone cylinder; 21 tangential ducts; 3, a vertical transmission shaft; 31 connecting plates; 4 a first spreading disc; 41 a first hub; 42 a first blade; 43 bolts; 44 a reinforcing ring; 5 a second spreading disc; 51 a second hub; 52 a second blade; 53 shaft holes; 6, collecting a coarse powder cone; 7, an inner cone; 8 a first cage rotor; 9 guide vanes; 10 second cage rotor.
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.
As shown in fig. 1-3, a high-efficiency energy-saving double-rotor powder concentrator comprises a powder selecting bin 1, cyclone cylinders 2, a vertical transmission shaft 3, a first powder spreading tray 4, a second powder spreading tray 5, a coarse powder collecting cone 6 and an inner cone 7, wherein a plurality of cyclone cylinders 2 are uniformly arranged outside the powder selecting bin 1, air inlets of the cyclone cylinders 2 are connected with the upper end of the powder selecting bin 1 through a tangential pipeline 21, a blanking opening 11 is arranged at the top of the powder selecting bin 1, a blanking cone 12 and a blanking cylinder 13 are arranged in the powder selecting bin 1, a coaxial blanking inner cylinder 14 is also arranged between the vertical transmission shaft 3 and the blanking cylinder 13, the blanking inner cylinder 14 is fixedly connected with the vertical transmission shaft 3 through a connecting plate 31, the first powder spreading tray 4 is arranged outside the blanking inner cylinder 14, a first cage-shaped rotor 8 is fixedly connected above the first powder spreading tray 4, vertical guide vanes 9 are arranged outside the first cage- shaped rotor 8, 3 bottoms of vertical transmission shaft are equipped with second and spill charging tray 5, second spills charging tray 5 below fixedly connected with second cage rotor 10, powder selection 1 bottom in storehouse is equipped with coarse fodder export 15, interior cone 7 set up in second cage rotor 10 below to be connected with half coarse fodder export 16.
In practical application, the first spreading disk 4 comprises a first hub 41 and a first blade 42, the first blade 42 is welded on the first hub 41, and the first hub 41 is sleeved on the blanking inner cylinder 14 and fastened through a bolt 43.
In practical application, the second spreading disk 5 comprises a second hub 51 and a second blade 52, the second blade 52 is welded on the second hub 51, a shaft hole 53 is formed in the middle of the second hub 51, and the vertical transmission shaft 3 penetrates through the shaft hole 53 and is fastened through the bolt 43.
In practical application, the first blade 42 is welded at an angle of 5 ° to 8 °.
In practical application, the second blade 52 is welded at an inclination angle of 5 ° to 8 °.
In practical application, the bottom of the first blade 42 is further provided with a reinforcing ring 44.
In practical application, the bottom of the second blade 52 is also provided with a reinforcing ring 44.
In practical applications, the number of the first blades 42 is at least 8.
In practical applications, the number of the second blades 52 is at least 8.
The utility model discloses a theory of operation:
the ground material enters the powder selecting bin 1 from a feed inlet 11 at the upper part of the powder selecting machine, after the material enters a blanking cone 12, a blanking barrel 13 supplies the material to a first material scattering disk 4, and a blanking inner barrel 14 supplies the material to a second material scattering disk 5, so that the material scattering disks 4 are arranged; 5, the materials are scattered to the periphery under the action of high-speed rotation, and the materials are divided into two parts which are respectively scattered by the first scattering disk 4 and the second scattering disk 4; 5, rotationally throwing, so that the single-layer material scattering disc 4 is formed; 5, the thrown material component is less, and a material curtain formed by throwing is thinner, so that the material is more easily received by the first and second material throwing discs 4; 5 the upward air flow generated by the blades is lifted upwards. The fine particles in the material float upwards to be in a suspension dispersion state, the material enters the cyclone barrel 2 to be collected after being centrifugally accelerated by the first cage-shaped rotor 8, and the coarse or heavy material is collected by the first and second material spreading discs 4; 5, dispersing and falling along the cylinder wall to finish the first powder selection.
A second cage type rotor 10 is arranged below the spreading disc, the second cage type rotor 10 rotates along with the vertical transmission shaft 3 to form a vortex, coarse and heavy materials falling along the cylinder wall are scattered again, fine powder in the coarse materials is lifted upwards and returns to circulating air again, the coarse materials are classified again, the coarse materials fall into a bottom coarse powder collecting cone 6, and middle coarse powder is discharged through an inner cone 7.
To sum up, the utility model discloses a material scattering dish of double-deck independent feed has realized that more dispersed material is shed to the selection powder effect and the work efficiency of selection powder machine have been improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.
Claims (9)
1. The utility model provides an energy-efficient birotor selection powder machine which characterized in that: comprises a powder selecting bin (1), a cyclone (2), a vertical transmission shaft (3), a first material spreading disc (4), a second material spreading disc (5), a coarse powder collecting cone (6) and an inner cone (7), wherein a plurality of cyclone (2) are uniformly arranged on the outer side of the powder selecting bin (1), the air inlet of the cyclone (2) is connected with the upper end of the powder selecting bin (1) through a tangential pipeline (21), a blanking hole (11) is arranged at the top of the powder selecting bin (1), a blanking cone (12) and a blanking barrel (13) are arranged in the powder selecting bin (1), a coaxial blanking inner barrel (14) is also arranged between the vertical transmission shaft (3) and the blanking barrel (13), the blanking inner barrel (14) is fixedly connected with the vertical transmission shaft (3) through a connecting plate (31), the first material spreading disc (4) is arranged outside the inner barrel (14), a first cage-shaped rotor (8) is fixedly connected above the first material spreading disc (4), first cage rotor (8) outside is equipped with vertical guide vane (9), vertical transmission shaft (3) bottom is equipped with the second and spills charging tray (5), second spills charging tray (5) below fixedly connected with second cage rotor (10), selection powder storehouse (1) bottom is equipped with coarse fodder export (15), interior cone (7) set up in second cage rotor (10) below to be connected with half coarse fodder export (16).
2. The high-efficiency energy-saving double-rotor powder concentrator according to claim 1, is characterized in that: the first material spreading disc (4) comprises a first hub (41) and first blades (42), the first blades (42) are welded on the first hub (41), and the first hub (41) is sleeved on the blanking inner cylinder (14) and fastened through bolts (43).
3. The high-efficiency energy-saving double-rotor powder concentrator according to claim 1, is characterized in that: the second spreading disc (5) comprises a second hub (51) and second blades (52), the second blades (52) are welded on the second hub (51), a shaft hole (53) is formed in the middle of the second hub (51), and the vertical transmission shaft (3) penetrates through the shaft hole (53) and is fastened through a bolt (43).
4. The high-efficiency energy-saving double-rotor powder concentrator according to claim 2, is characterized in that: the inclination angle of the first blade (42) is 5-8 degrees when the first blade is welded.
5. The high-efficiency energy-saving double-rotor powder concentrator according to claim 3, is characterized in that: the inclination angle of the second blade (52) is 5-8 degrees when the second blade is welded.
6. The high-efficiency energy-saving double-rotor powder concentrator according to claim 2, is characterized in that: the bottom of the first blade (42) is also provided with a reinforcing ring (44).
7. The high-efficiency energy-saving double-rotor powder concentrator according to claim 3, is characterized in that: the bottom of the second blade (52) is also provided with a reinforcing ring (44).
8. The high-efficiency energy-saving double-rotor powder concentrator according to claim 2, is characterized in that: the number of the first blades (42) is at least 8.
9. The high-efficiency energy-saving double-rotor powder concentrator according to claim 3, is characterized in that: the number of the second blades (52) is at least 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020273274.9U CN211887932U (en) | 2020-03-07 | 2020-03-07 | Energy-efficient birotor selection powder machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020273274.9U CN211887932U (en) | 2020-03-07 | 2020-03-07 | Energy-efficient birotor selection powder machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211887932U true CN211887932U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020273274.9U Active CN211887932U (en) | 2020-03-07 | 2020-03-07 | Energy-efficient birotor selection powder machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211887932U (en) |
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2020
- 2020-03-07 CN CN202020273274.9U patent/CN211887932U/en active Active
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