CN213670491U - Novel ferroalloy powder concentrator - Google Patents
Novel ferroalloy powder concentrator Download PDFInfo
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- CN213670491U CN213670491U CN202022418097.1U CN202022418097U CN213670491U CN 213670491 U CN213670491 U CN 213670491U CN 202022418097 U CN202022418097 U CN 202022418097U CN 213670491 U CN213670491 U CN 213670491U
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Abstract
The utility model provides a novel ferroalloy powder concentrator. The utility model discloses a casing, casing the inside installation rotor, rotor upper portion is provided with spills the charging tray, the rotor with it all connects actuating mechanism through the main shaft to spill the charging tray, the casing top is provided with the tripper, casing one side is connected the air-supply line, the rotor bottom is provided with a conical body, the secondary air-supply line is connected to the conical body, the casing with the middlings discharge gate is all connected to the bottom of conical body, casing upper portion joint wind pipe, a whirlwind section of thick bamboo, every are connected respectively at the tuber pipe both ends the fine powder export is connected to the bottom of whirlwind section of thick bamboo, every the air outlet is connected out the tuber pipe through the air outlet in the upper portion. The utility model discloses set up twice and select separately, the overfire air is to the coarse grain "washing" after the selection powder once more for the farine is got off by "washing" in the coarse grain, becomes qualified finished product, has improved selection powder efficiency.
Description
The technical field is as follows:
the utility model relates to a novel ferroalloy powder concentrator belongs to mine mining ore dressing and equips mechanical field.
Background art:
with the rapid development of the economy of China, the technical progress of each industry is changed day by day. In the fields of building material industry and mine mining and mineral separation, as the requirements of equipment for large-scale equipment, automation, high efficiency, comprehensive recovery of flotation separation and the like are higher and higher, the requirements on the particle size distribution of materials are higher and tighter, and various powder separators are developed endlessly, the powder separators also experience in sequence: the technological process of the centrifugal powder concentrator → rotor powder concentrator → O-sepa powder concentrator → three separation powder concentrator. Each technological progress brings about the improvement of economic indexes of production technology, the optimization of production process, the reduction of production cost and the improvement of product quality.
However, the existing grading powder concentrator for the ferroalloy powder has certain problems, mainly including 1, poor adaptability and low powder concentration efficiency; 2. the specific area of the product is low, and the quality is poor; 3. the core components of the powder concentrator have poor wear resistance and short service life.
The invention content is as follows:
the utility model aims at the problem that above-mentioned exists provides a novel ferroalloy powder selection machine, sets up twice and selects separately, and the overfire air is to the coarse grain after the selection "wash" once more for the farine is got off by "washing" in the coarse grain, becomes qualified finished product, has improved selection powder efficiency.
The above purpose is realized by the following technical scheme:
the utility model provides a novel ferroalloy powder concentrator, includes the casing, casing the inside installation rotor, rotor upper portion is provided with spills the charging tray, the rotor with it all connects actuating mechanism through the main shaft to spill the charging tray, the casing top is provided with the tripper, an air-supply line is connected to casing one side, the rotor bottom is provided with a conical body, the secondary air-supply line is connected to the conical body, the casing with the middlings discharge gate is all connected to the bottom of conical body, casing upper portion joint wind pipe, a whirlwind section of thick bamboo, every are connected respectively at the tuber pipe both ends the fine powder export is connected to the bottom of whirlwind section of thick bamboo, every the air outlet is connected out the tuber pipe on the upper portion of.
The novel ferroalloy powder concentrator is characterized in that a cyclone is arranged at the air outlet.
The novel ferroalloy powder concentrator is characterized in that guide vanes are arranged on the side wall of the rotor, and a vortex scattering plate is arranged inside the rotor.
The novel iron alloy powder concentrator, the rotor passes through the shaft hub cover to be installed on the main shaft, wear-resisting potsherd is pasted to shaft hub cover surface, two sections of shaft hub cover are provided with dustproof sealing washer.
The novel ferroalloy powder concentrator is characterized in that an observation hole is formed outside the shell.
Has the advantages that:
1. the utility model discloses a ferroalloy powder after mill grinding is promoted by upper portion feed inlet feeding selection powder machine, gets into through the tripper and spills charging tray, buffer board intensive dispersion separation, falls into the selection powder district. The wind (primary wind) from the purified air enters the air inlet cylinder body from the air inlet at the air inlet cylinder body and enters the powder selecting area through the guide vanes. The cage-shaped rotor consisting of vertical blades and horizontal blades in the powder separator maintains a certain internal-external pressure difference and a certain air flow up and down during rotation, and repeatedly separates dispersed materials from top to bottom for multiple times; the material particles do vortex motion along with the airflow, the powder selecting distance is long, and finally the material particles fall into a cone with a cleaning structure and are cleaned and selected again by auxiliary air (secondary air); qualified fine powder is pumped out from the upper part of the air outlet pipe through the cage-shaped rotor along with airflow, and enters the cyclone cylinder to collect the fine powder into a finished product; the coarse powder is discharged from the lower part of the cone and returned to the mill to form a closed circuit grinding system. The utility model discloses a guide vane, the pertinence professional design of rotor to make the rotor can discern the cutting particle diameter accurately, improved the selection powder precision greatly, improved product (finished product) greatly) The specific area of the powder concentrator can be stably controlled to reach 450cm3More than g, 50-100cm higher than that of the common powder concentrator of the same type3(ii) in terms of/g. The inner cavity structures of the material distributor, the material spreading disc and the powder concentrator are specially designed, after the materials pass through the material spreading disc, the materials are highly dispersed, the air swirling flow and the spouting are combined, the materials are further uniformly distributed in the inner cavity, and the vortex phenomenon of the air in the rotor is eliminated; the material does not drift, and has no short circuit and other phenomena; this also ensures the improvement of the powder selecting efficiency and the specific area of the product (finished product). The secondary air is used for cleaning the coarse particles after powder selection again, so that fine powder in the coarse particles is cleaned to form a qualified finished product, and the powder selection efficiency is improved.
2. The utility model discloses a guarantee that the bearing in the shaft hub cover has enough lubrication not to leak and prevents that the grits from getting into, shaft hub cover both ends are equipped with dustproof, the lip type sealing washer of leak protection oil. Wear-resisting ceramic plates are pasted on the outer surface of the shaft hub sleeve, so that the outer surface is prevented from being worn by air flow.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
FIG. 1, a housing; 2. a rotor; 3. a material spreading disc; 4. a main shaft; 5. a drive mechanism; 6. a distributor; 7. a primary air inlet pipe; 8. a conical body; 9. a secondary air inlet pipe; 10. a coarse powder discharge hole; 11. an air duct; 12. a cyclone; 13. a fine powder outlet; 14. an air outlet pipe; 15. a guide blade; 16. a vortex breaker plate; 17. and (6) observing holes.
The specific implementation mode is as follows:
example 1:
as shown in fig. 1: the novel ferroalloy powder concentrator of this embodiment, including casing 1, casing the inside installation rotor 2, rotor upper portion is provided with spills charging tray 3, the rotor with it all connects actuating mechanism 5 through main shaft 4 to spill the charging tray, the casing top is provided with tripper 6, casing one side is connected air-supply line 7, the rotor bottom is provided with a conical body 8, secondary air-supply line 9 is connected to the conical body, the casing with middlings discharge gate 10 is all connected to the bottom of conical body, casing upper portion connecting air pipe 11, a cyclone 12, every are connected respectively at the tuber pipe both ends the fine powder export 13 is connected to the bottom of cyclone, every the upper portion of cyclone is passed through the air outlet and is connected out tuber pipe 14.
In the novel iron alloy powder concentrator in the embodiment, the air outlet is provided with the cyclone cylinder to prevent fine powder from being discharged from the air outlet pipe.
In the novel iron alloy powder concentrator in this embodiment, the side wall of the rotor is provided with the guide vanes 15, and the inside of the rotor is provided with the vortex scattering plate 16.
In the novel iron alloy powder concentrator in the embodiment, the rotor is installed on the main shaft through the shaft hub sleeve, the outer surface of the shaft hub sleeve is pasted with the wear-resistant ceramic chip, and the two sections of the shaft hub sleeve are provided with the dustproof sealing rings.
In the novel iron alloy powder concentrator described in this embodiment, the casing is provided with an observation hole 17 outside.
The working process is as follows:
the iron alloy powder ground by the mill is lifted to be fed into the powder selecting machine through the upper feeding hole, and then enters the material scattering disc and the buffer plate through the material distributor to be fully dispersed and separated, and then falls into a powder selecting area. The wind (primary wind) from the purified air enters the air inlet cylinder body from the air inlet at the air inlet cylinder body and enters the powder selecting area through the guide vanes. The cage-shaped rotor consisting of vertical blades and horizontal blades in the powder separator maintains a certain internal-external pressure difference and a certain air flow up and down during rotation, and repeatedly separates dispersed materials from top to bottom for multiple times; the material particles do vortex motion along with the airflow, the powder selecting distance is long, and finally the material particles fall into a cone with a cleaning structure and are cleaned and selected again by auxiliary air (secondary air); qualified fine powder is pumped out from the upper part of the air outlet pipe through the cage-shaped rotor along with airflow, and enters the cyclone cylinder to collect the fine powder into a finished product; the coarse powder is discharged from the lower part of the cone and returned to the mill to form a closed circuit grinding system.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, but also comprises the technical scheme consisting of the equivalent replacement of the technical features. The present invention is not to be considered as the best thing, and belongs to the common general knowledge of the technicians in the field.
Claims (5)
1. A novel ferroalloy powder concentrator is characterized in that: the improved cyclone separator comprises a housing, the rotor is installed to the casing the inside, rotor upper portion is provided with spills the charging tray, the rotor with it all connects actuating mechanism through the main shaft to spill the charging tray, the casing top is provided with the tripper, casing one side is connected an air-supply line, the rotor bottom is provided with a conical body, the secondary air-supply line is connected to the conical body, the casing with the middlings discharge gate is all connected to the bottom of conical body, casing upper portion connecting air pipe, a cyclone is connected respectively at the tuber pipe both ends, every the fine powder export is connected to the bottom of cyclone, every the air outlet is connected out the tuber pipe on the upper portion of cyclone.
2. The novel ferroalloy powder concentrator as claimed in claim 1, wherein: and a cyclone is arranged at the air outlet.
3. The novel ferroalloy powder concentrator as claimed in claim 1, wherein: the side wall of the rotor is provided with guide blades, and a vortex plate is arranged in the rotor.
4. The novel ferroalloy powder concentrator as claimed in claim 1, wherein: the rotor is installed on the main shaft through a shaft hub sleeve, a wear-resistant ceramic chip is pasted on the outer surface of the shaft hub sleeve, and two sections of the shaft hub sleeve are provided with dustproof sealing rings.
5. The novel ferroalloy powder concentrator as claimed in claim 1, wherein: an observation hole is arranged outside the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022418097.1U CN213670491U (en) | 2020-10-27 | 2020-10-27 | Novel ferroalloy powder concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022418097.1U CN213670491U (en) | 2020-10-27 | 2020-10-27 | Novel ferroalloy powder concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213670491U true CN213670491U (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022418097.1U Active CN213670491U (en) | 2020-10-27 | 2020-10-27 | Novel ferroalloy powder concentrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213670491U (en) |
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2020
- 2020-10-27 CN CN202022418097.1U patent/CN213670491U/en active Active
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