CN211613428U - High-efficient selection powder machine - Google Patents
High-efficient selection powder machine Download PDFInfo
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- CN211613428U CN211613428U CN201821816599.6U CN201821816599U CN211613428U CN 211613428 U CN211613428 U CN 211613428U CN 201821816599 U CN201821816599 U CN 201821816599U CN 211613428 U CN211613428 U CN 211613428U
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- powder
- chamber
- selecting chamber
- powder selecting
- rotor
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- 239000000843 powder Substances 0.000 title claims abstract description 179
- 239000000463 material Substances 0.000 claims abstract description 45
- 238000003892 spreading Methods 0.000 claims description 13
- 230000007480 spreading Effects 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 9
- 230000001502 supplementing effect Effects 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 4
- 208000034189 Sclerosis Diseases 0.000 abstract description 3
- 230000008676 import Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a high-efficient selection powder machine, including last selection powder room, well selection powder room, lower selection powder room and motor. The powder feeding device comprises a powder feeding chamber, a powder feeding disc, a finished product discharging port, a powder feeding device, a powder conveying device and a powder conveying device, wherein two feeding ports are arranged at the two feeding ports, a motor spindle penetrates through the powder feeding chamber, a; the guide vanes are uniformly distributed around the rotor. The middle powder selecting chamber is communicated with the upper powder selecting chamber, the bottom of the rotor is provided with a lower cone, the lower cone is positioned in the middle powder selecting chamber, and the lower cone and the inner wall of the middle powder selecting chamber are arranged at equal intervals; the lower powder selecting chamber is arranged at the lower side of the middle powder selecting chamber, the lower side of the lower powder selecting chamber is communicated with a discharge hole, a flow deflector is arranged in the lower powder selecting chamber, and the outer part of the lower powder selecting chamber is communicated with an air inlet. The utility model discloses establish the desicator in the import, dry the material, reduce the sclerosis, the setting of two-stage selection powder can improve selection powder efficiency, reduces the power consumption.
Description
Technical Field
The utility model relates to a technical field of selection powder machine especially relates to a high-efficient selection powder machine.
Background
In the processing process of building materials, metallurgy and chemical industry, large materials are usually ground and then sorted by a powder concentrator, fine powder meeting the material standard is processed into a finished product by a process, and coarse materials not meeting the material standard are ground again and then sorted. The classification principle of the known rotor type powder concentrator is as follows: the material falls onto the material spreading plate through the middle feeding pipe of the rotor, is scattered in the powder selecting chamber along the radial direction under the action of centrifugal force, and moves to the cage-shaped rotor after being accelerated by rising airflow in the powder selecting chamber; because the cage rotor rotates at a high speed, when passing through the cage rotor along with the airflow, the material rotates at a high speed along with the rotor, so that a centrifugal force preventing the material from passing through the cage rotor is generated, and when overcoming the centrifugal force along with the airflow, the material enters the fine powder discharge port; when the material flows along with the air flow and fails to overcome the centrifugal force, the material is thrown to the inner wall of the powder selecting chamber by the cage-shaped rotor and enters the coarse powder bin. The centrifugal force changes along with the change of the rotating speed of the cage-shaped rotor, when the air quantity is constant, the rotating speed of the cage-shaped rotor is increased, the centrifugal force is increased, the cutting particle size of the cage-shaped rotor is reduced, the product becomes thin, and otherwise, the rotating speed is reduced, and the product becomes thick.
After the existing powder selecting machine is used for scattering materials through a scattering disc, the materials enter a powder selecting chamber, then coarse powder is not thoroughly separated, a large amount of fine powder and coarse powder are mixed together and enter a lower cone to return to a grinding machine for re-grinding, the fine powder and the coarse powder are mixed and enter the grinding machine for grinding, repeated work of the grinding machine is aggravated, and loss of steel balls in the grinding machine is aggravated.
And under the condition that the temperature difference between day and night and the seasonal variation of the powder particles, a small amount of moisture of air can be sucked, so that the powder selection efficiency is influenced, and therefore, the materials entering the powder selecting machine need to be dried.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-efficient selection powder machine to solve the problem that above-mentioned prior art exists, make the selection powder efficiency of selection powder machine can improve, and can dry the material that gets into selection powder machine.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a high-efficiency powder concentrator, which comprises an upper powder selecting chamber, a middle powder selecting chamber, a lower powder selecting chamber and a motor;
the powder selecting device comprises an upper powder selecting chamber, a powder spraying plate, a powder distributing chamber, a powder feeding device, a powder drying device, a motor shaft, a drying device and a drying device, wherein the material feeding device is arranged at the top of the upper powder selecting chamber; the guide vanes are arranged between the top and the bottom of the upper powder feeding chamber and are uniformly distributed around the rotor;
the middle powder selecting chamber is communicated with the upper powder selecting chamber, a lower cone is arranged at the bottom of the rotor and positioned in the middle powder selecting chamber, and the lower cone and the inner wall of the middle powder selecting chamber are arranged at equal intervals;
the lower powder selecting chamber is arranged on the lower side of the middle powder selecting chamber, the lower side of the lower powder selecting chamber is communicated with a discharge hole, a flow deflector is arranged in the lower powder selecting chamber, and the outer part of the lower powder selecting chamber is communicated with an air inlet.
Preferably, the four air inlets are provided with air supply valves, and the primary air pipe is also provided with an air supply valve.
Preferably, an air chamber partition plate is arranged between the secondary air pipe and the upper powder selecting chamber.
Preferably, a plurality of blades are uniformly distributed on the periphery of the rotor and consist of two parts which form an obtuse angle.
Preferably, the upper portion of rotor periphery is provided with breaks up the device, break up the device including breaking up the strip and solid fixed ring, break up the strip and pass through gu fixed ring is fixed in on the periphery of rotor.
Preferably, the powder selecting chamber is provided with a plurality of air pressure balance pipes.
Preferably, the guide vane comprises a straight section, an inclined section and a bent section which are connected in sequence, wherein the straight section and the inclined section form an angle of 155-170 degrees, and the bent section and the inclined section are in a hook shape.
Preferably, the plurality of flow deflectors are uniformly distributed on the lower side of the lower cone body along the circumferential direction and are in a shape of an inverted round table with a large upper part and a small lower part.
Preferably, the edges of the material spreading disc are provided with uniformly distributed rectangular teeth.
The utility model discloses for prior art gain following technological effect:
the utility model discloses a set up the desicator in the import of selection powder machine, carry out the drying to the material that gets into the selection powder machine to reduce the material sclerosis, the setting of two-stage selection powder can fully improve selection powder efficiency, reduces the selection powder power consumption.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the high-efficiency powder concentrator of the present invention;
FIG. 2 is a schematic structural view of a powder selecting chamber of the high-efficiency powder selecting machine of the present invention;
FIG. 3 is a schematic structural view of a lower powder selecting chamber of the high-efficiency powder selecting machine of the present invention;
FIG. 4 is a schematic structural view of a rotor of the present invention;
fig. 5 is a schematic structural view of the spreading plate of the present invention;
fig. 6 is a schematic structural view of a guide vane of the present invention;
wherein: 1-upper powder selecting chamber, 2-finished product discharging port, 3-feeding port, 4-dryer, 5-motor, 6-material spreading disk, 7-guide vane, 8-rotor, 9-vane, 10-wind pressure balancing pipe, 11-primary wind pipe, 12-secondary wind pipe, 13-air supplementing valve, 14-scattering device, 15-middle powder selecting chamber, 16-lower cone, 17-lower powder selecting chamber, 18-air inlet, 19-guide vane and 20-discharging port.
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 efforts belong to the protection scope of the present invention.
The utility model aims at providing a high-efficient selection powder machine to solve the problem that prior art exists, make the selection powder efficiency of selection powder machine can improve, and can dry the material that gets into selection powder machine.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 6: the embodiment provides a high-efficiency powder concentrator, which comprises an upper powder selecting chamber 1, a middle powder selecting chamber 15, a lower powder selecting chamber 17 and a motor 5.
The top of the powder selecting chamber 1 is provided with a feeding hole 3 and a finished product discharging hole 2, and the powder selecting chamber 1 is provided with a plurality of air pressure balance pipes 10. In this embodiment, a plurality of air pressure balance pipes 10 with circular or rectangular cross sections are arranged around the upper powder selecting chamber 1 and the lower powder selecting chamber 17, so that the air pressure around the upper powder selecting chamber 1 and the lower powder selecting chamber 17 is balanced, and the sizes of the material particles selected by the two powder selecting chambers are kept consistent. Wherein, feed inlet 3 is two and is provided with drying apparatus 4, can dry the material, reduces the material sclerosis, improves the selection powder rate.
The powder selecting chamber 1 comprises a material spreading disc 6, a rotor 4, guide vanes 7, a primary air pipe 11 and a secondary air pipe 12, the primary air pipe 11 and the secondary air pipe 12 are uniformly distributed outside the powder selecting chamber 1 along a tangent line of the powder selecting chamber 1 and are communicated with the powder selecting chamber 1, wherein an air supplementing valve 13 is arranged on the primary air pipe 11 in the embodiment; an air chamber partition plate is arranged between the secondary air pipe 12 and the upper powder-selecting chamber 1. In the embodiment, a partition plate structure is additionally arranged between the secondary air pipe 12 and the powder selecting chamber 1, so that rotational flow is more easily generated in the powder selecting chamber; meanwhile, the arrangement of the air supplementing valve 13 on the primary air pipe 11 can control the air inlet amount and finely adjust the air direction, and is beneficial to improving the powder selecting efficiency of the powder selecting machine.
A motor 5 is arranged on the upper side of the finished product discharge port 2, and a main shaft of the motor 5 penetrates through the powder feeding chamber 1. Powder spreading disk 6 sets up on the main shaft and is located powder spreading chamber 1 upper portion, and powder spreading chamber 1 still is equipped with the striker plate, and the striker plate is located powder spreading disk 6 border, and powder spreading disk 6 border is provided with the rectangle tooth of equipartition, and when the material removed to powder spreading disk 6 border along with centrifugal force, the rectangle tooth can be carried out a preliminary scattering to the material, is favorable to improving powder selection efficiency.
The rotor 4 is connected on the main shaft below the material spreading plate 6, and the middle part of the rotor 4 is communicated with the finished product discharge port 2. The rotor 4 of this embodiment is cage structure, and rotor 4 periphery equipartition has a plurality of blade 9, and blade 9 comprises two parts that are the obtuse angle. The blades 9 are integrally bent and formed, the angles of the blades 9 can be adjusted by replacing the rotors 4 with different specifications, the powder selection efficiency of different material particles is further adjusted, the particle size distribution of finished products is effectively controlled, and the powder selection capacity meeting the requirements of different finished product particle size grades is realized. The upper portion of rotor 4 periphery is provided with breaks up device 14, breaks up device 14 including breaking up the strip and solid fixed ring, breaks up the strip and is fixed in rotor 4's periphery through solid fixed ring on. The scattering strips of the scattering device 14 can be in the shape of a round rod, a square rod or a sheet, further scatter materials downward along with airflow, slow down the falling speed of the materials, strengthen the scattering effect of the scattered materials and improve the powder selection efficiency.
The guide vanes 7 are arranged between the top and the bottom of the powder feeding chamber 1, and the guide vanes 7 are uniformly distributed around the rotor 4 at equal intervals. The guide vane 7 in this embodiment preferably includes a straight section, an inclined section, and a bent section connected in sequence, the straight section and the inclined section form an angle of 155-170 °, and the bent section and the inclined section are hook-shaped. The windward end face is bent inwards to form an inward curved surface, so that the rigidity requirement of the guide vanes 7 is guaranteed, and the flow field of the powder feeding chamber 1 can be kept stable.
The middle powder selecting chamber 15 is communicated with the upper powder selecting chamber 1, the bottom of the rotor 4 is provided with a lower cone 16, the lower cone 16 is positioned in the middle powder selecting chamber 15, and the lower cone 16 and the inner wall of the middle powder selecting chamber 15 are arranged at equal intervals.
The lower powder selecting chamber 17 is arranged at the lower side of the middle powder selecting chamber 15, the lower side of the lower powder selecting chamber 17 is communicated with a discharge hole 20, a flow deflector 19 is arranged in the lower powder selecting chamber 17, and the outer part of the lower powder selecting chamber 17 is communicated with an air inlet 18. The flow deflectors 19 in this embodiment are preferably uniformly distributed on the lower side of the lower cone 16 along the circumferential direction, and are in a shape of an inverted circular truncated cone with a large upper part and a small lower part, so that the upward wind flow is facilitated, the powder selection is performed again, and the powder selection efficiency is improved. The four air inlets 18 are provided with the air supplementing valves 13 on the opposite air inlets 18, so that the air inlet volume can be controlled, the air direction can be finely adjusted, and the powder selecting efficiency of the powder selecting machine can be improved.
The specific working process of this embodiment is as follows:
firstly, the blower at each air inlet of the motor is started. The material gets into powder room 1 on through the feed inlet 3 that is provided with drying apparatus 4, and motor 5 drives and spills charging tray 6 evenly to spill the material all around, and the material evenly spills the material all around after striking the striker plate, because rotor 4 is high-speed rotatory, and the blade 9 of rotor 4 periphery forms horizontal vortex, falls to upper portion in the powder room 1 when the material, again with break up 14 collisions of device, further breaks up, and the material gets into the vortex powder selection region that forms between rotor 4 and the guide vane 7. Then, under the action of self-weight and horizontal vortex, the material is sorted for the first time in the upper powder sorting chamber 1, the fine powder finished product after being sorted is collected through the finished product discharge port 2, the coarse material and part of the fine powder which is not sorted enter the lower powder sorting chamber 17 through the middle powder sorting chamber 15, at the moment, the coarse and fine mixed materials which are not completely separated are sorted for the second time in the lower powder sorting chamber 17, the fine material after being finally sorted is sucked out through the finished product discharge port 2, and the coarse powder is discharged out of the machine through the discharge port 20.
The embodiment effectively reduces the design cost of the whole machine, and can complete the efficient powder selection of the upper powder selecting chamber 1 and the lower powder selecting chamber 17; can reduce the power consumption of the powder concentrator and the grinder and also reduce the production cost.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. A high-efficient selection powder machine which characterized in that: comprises an upper powder selecting chamber, a middle powder selecting chamber, a lower powder selecting chamber and a motor;
the powder selecting device comprises an upper powder selecting chamber, a powder spraying plate, a powder distributing chamber, a powder feeding device, a powder drying device, a motor shaft, a drying device and a drying device, wherein the material feeding device is arranged at the top of the upper powder selecting chamber; the guide vanes are arranged between the top and the bottom of the upper powder feeding chamber and are uniformly distributed around the rotor;
the middle powder selecting chamber is communicated with the upper powder selecting chamber, a lower cone is arranged at the bottom of the rotor and positioned in the middle powder selecting chamber, and the lower cone and the inner wall of the middle powder selecting chamber are arranged at equal intervals;
the lower powder selecting chamber is arranged on the lower side of the middle powder selecting chamber, the lower side of the lower powder selecting chamber is communicated with a discharge hole, a flow deflector is arranged in the lower powder selecting chamber, and the outer part of the lower powder selecting chamber is communicated with an air inlet.
2. The high efficiency powder concentrator as claimed in claim 1, wherein: the air inlets are four and opposite air inlets which are provided with air supplementing valves, and the primary air pipe is also provided with the air supplementing valves.
3. The high efficiency powder concentrator as claimed in claim 1, wherein: an air chamber partition plate is arranged between the secondary air pipe and the upper powder selecting chamber.
4. The high efficiency powder concentrator as claimed in claim 1, wherein: the periphery of the rotor is uniformly provided with a plurality of blades, and the blades consist of two parts which form an obtuse angle.
5. The high efficiency powder concentrator as claimed in claim 1, wherein: the upper portion of rotor periphery is provided with breaks up the device, break up the device including breaking up the strip and solid fixed ring, break up the strip and pass through gu fixed ring is fixed in the periphery of rotor.
6. The high efficiency powder concentrator as claimed in claim 1, wherein: the powder selecting chamber is provided with a plurality of air pressure balance pipes.
7. The high efficiency powder concentrator as claimed in claim 1, wherein: the guide vane comprises a straight section, an inclined section and a bent section which are sequentially connected, wherein the straight section and the inclined section form an angle of 155-170 degrees, and the bent section and the inclined section are in a hook shape.
8. The high efficiency powder concentrator as claimed in claim 1, wherein: the flow deflectors are uniformly distributed on the lower side of the lower cone body along the circumferential direction and are in a shape of a reversed round table with a large upper part and a small lower part.
9. The high efficiency powder concentrator as claimed in claim 1, wherein: the edge of the material spreading disc is provided with uniformly distributed rectangular teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821816599.6U CN211613428U (en) | 2018-11-06 | 2018-11-06 | High-efficient selection powder machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821816599.6U CN211613428U (en) | 2018-11-06 | 2018-11-06 | High-efficient selection powder machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211613428U true CN211613428U (en) | 2020-10-02 |
Family
ID=72617530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821816599.6U Expired - Fee Related CN211613428U (en) | 2018-11-06 | 2018-11-06 | High-efficient selection powder machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211613428U (en) |
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2018
- 2018-11-06 CN CN201821816599.6U patent/CN211613428U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201002 |
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| CF01 | Termination of patent right due to non-payment of annual fee |