CN108704571B - Powder raw material feeding mechanism for vanadium-nitrogen alloy production - Google Patents
Powder raw material feeding mechanism for vanadium-nitrogen alloy production Download PDFInfo
- Publication number
- CN108704571B CN108704571B CN201810402164.5A CN201810402164A CN108704571B CN 108704571 B CN108704571 B CN 108704571B CN 201810402164 A CN201810402164 A CN 201810402164A CN 108704571 B CN108704571 B CN 108704571B
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- CN
- China
- Prior art keywords
- feeding
- rotating shaft
- screening disc
- disc
- blades
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000843 powder Substances 0.000 title claims abstract description 32
- 239000002994 raw material Substances 0.000 title claims abstract description 28
- 229910001199 N alloy Inorganic materials 0.000 title claims abstract description 17
- SKKMWRVAJNPLFY-UHFFFAOYSA-N azanylidynevanadium Chemical compound [V]#N SKKMWRVAJNPLFY-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000012216 screening Methods 0.000 claims abstract description 49
- 238000005192 partition Methods 0.000 claims abstract description 6
- 238000007664 blowing Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 27
- 238000005452 bending Methods 0.000 claims description 3
- 239000011796 hollow space material Substances 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 abstract description 3
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- 229910000628 Ferrovanadium Inorganic materials 0.000 description 1
- 229910000742 Microalloyed steel Inorganic materials 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- PNXOJQQRXBVKEX-UHFFFAOYSA-N iron vanadium Chemical compound [V].[Fe] PNXOJQQRXBVKEX-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000004482 other powder Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7173—Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper
- B01F35/71731—Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper using a hopper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/26—Mixing ingredients for casting metals
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combined Means For Separation Of Solids (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention provides a powder raw material feeding mechanism for vanadium-nitrogen alloy production, which comprises a hollow screening disc, wherein a spiral partition strip is arranged in the screening disc, the partition strip divides an inner cavity of the screening disc into a spiral feeding channel, the starting point of the feeding channel is positioned at the outer edge of the screening disc, the end point of the feeding channel is positioned in the middle of the screening disc, a rotating shaft is arranged at the starting point of the feeding channel, a plurality of blades are arranged outside the rotating shaft, ventilation holes for blowing the blades are arranged on the screening disc, the rotating shaft is of a hollow structure, a feeding hopper positioned above the screening disc is arranged at the upper end of the rotating shaft, the feeding hopper is connected with the rotating shaft through a plane bearing, the lower end of the rotating shaft is connected with the screening disc through the plane bearing, the feeding hopper is fixedly connected with the screening disc, and a plurality of feeding grooves communicated with the feeding hopper and the feeding channel are. The invention has the advantages of preventing the powder raw materials from flowing backwards and the like.
Description
Technical Field
The invention relates to a vanadium-nitrogen alloy production device, in particular to a powder raw material feeding mechanism for vanadium-nitrogen alloy production.
Background
The vanadium-nitrogen alloy can be used as a novel steel additive to replace ferrovanadium for producing microalloyed steel, and can improve the comprehensive mechanical properties of the steel, such as strength, toughness, ductility, thermal fatigue resistance and the like, and ensure that the steel has good weldability when added to the steel; under the condition of achieving the same strength, the addition of the vanadium-nitrogen alloy can save 30-40% of vanadium compared with the addition of vanadium, thereby reducing the cost; vanadium-nitrogen alloy has been widely used by domestic and foreign steel mills, and the production process and production equipment thereof have been developed rapidly.
The vanadium-nitrogen alloy is a blank made of vanadium pentoxide, carbon powder, an active agent and the like, and is reacted at a high temperature of 1500-1800 ℃ under the protection of normal pressure and nitrogen atmosphere to generate the vanadium-nitrogen alloy.
Vanadium pentoxide, carbon powder and the like need to be ground into powder with specified particle size, so that the conversion rate is high and the quality of finished products is good in the reaction process.
At present, although the operation is simple and convenient for raw material powder to be filtered by a filter screen, then the required particle size is selected, and then various raw materials are mixed to be made into a spherical blank, the particle size range of the powder is large, so that the powder raw material with relatively uniform particle size cannot be obtained, and the raw material with smaller particle size cannot be obtained.
Disclosure of Invention
The invention aims to provide a powder raw material feeding mechanism for vanadium-nitrogen alloy production, aiming at solving the problems in the prior art, and the technical problem to be solved is how to prevent the powder raw material from flowing backwards.
The purpose of the invention can be realized by the following technical scheme: a powder raw material feeding mechanism for producing vanadium-nitrogen alloy, which is characterized by comprising a hollow screening disc, a spiral division bar is arranged in the screening disc, the division bar divides the inner cavity of the screening disc into spiral feeding channels, the starting point of the feeding channel is positioned at the outer edge of the screening disc, the end point of the feeding channel is positioned in the middle of the screening disc, a rotating shaft is arranged at the starting point of the feeding channel, a plurality of blades are arranged outside the rotating shaft, a ventilation hole for blowing air to the blades is arranged on the screening disc, the rotating shaft is of a hollow structure, the upper end of the rotating shaft is provided with a feeding hopper positioned above the screening disc, the feeding hopper is connected with the rotating shaft through a plane bearing, the lower end of the rotating shaft is connected with the screening disc through the plane bearing, the feeding hopper is fixedly connected with the screening disc, and the rotating shaft is provided with a plurality of feeding grooves communicated with the feeding hopper and the feeding channel.
In foretell powder raw materials pan feeding mechanism of vanadium nitrogen alloy production usefulness, the pan feeding groove is the arc, the blade is the arc, the crooked opposite direction of pan feeding groove and blade.
In the powder raw material feeding mechanism for producing the vanadium-nitrogen alloy, the number of the feeding grooves is communicated with the number of the blades, and the feeding groove is positioned between the two blades.
In the powder raw material feeding mechanism for producing the vanadium-nitrogen alloy, an inclination angle is formed between the blade and the rotating shaft, and the blade inclines towards the upper part of the rotating shaft.
Powder raw materials get into the cavity in the pivot from going into the hopper, get into by the pan feeding groove and walk the material passageway, and the air-blower blows air to the blade, and powder raw materials gets into from going into the hopper, gets into by the pan feeding groove and walks the material passageway, and the blade disperses powder raw materials, and makes the air current more even.
The bending directions of the feeding groove and the blades are opposite, and the blades incline upwards, so that the powder raw materials cannot flow backwards in the feeding groove.
Drawings
Fig. 1 is a schematic view of the overall structure of the feeding mechanism.
Fig. 2 is a schematic structural view of a blade and a rotating shaft.
Fig. 3 is a schematic view of the structure of the screening disk.
In the figure, 1, screening tray; 11. a parting strip; 12. a feeding channel; 13. a blanking hole; 14. a feeding hole; 2. a material containing tray; 21. a discharge pipe; 3. filtering with a screen; 41. a rotating shaft; 42. a blade; 43. a vent hole; 44. feeding into a hopper; 45. and (4) a feeding groove.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 3, the screening disc includes a hollow screening disc 1, a spiral partition 11 is arranged in the screening disc 1, the partition 11 divides an inner cavity of the screening disc 1 into a spiral feeding channel 12, a starting point of the feeding channel 12 is located at an outer edge of the screening disc 1, an end point of the feeding channel 12 is located in the middle of the screening disc 1, a feeding mechanism for driving raw materials into the feeding channel 12 through air flow is arranged at the starting point of the feeding channel 12, a discharging hole 13 located at an end point of the feeding channel 12 is formed in a bottom wall surface of the screening disc 1, a feeding hole 14 located at an end point of the feeding channel 12 is formed in a top wall surface of the screening disc 1, a hollow material containing disc 2 is arranged above the screening disc 1, the feeding hole 14 communicates the inner cavity of the screening disc 1 and the inner cavity of the material containing disc 2, and a filter screen 3 is arranged at the feeding hole 14.
The screening disc is conical, and the horizontal plane of the end point of the material feeding channel 12 is higher than the horizontal plane of the starting point of the material feeding channel 12.
The material containing tray 2 is in a conical shape, the material inlet hole 14 is communicated with the highest point of the material containing tray 2, and the lowest point of the material containing tray 2 is provided with a material outlet pipe 21.
Powder such as vanadium pentoxide after the grinding, carbon dust, from the starting point of walking material passageway 12, through the pan feeding mechanism, get into the mode of air-blast and walk material passageway 12, the powder is through the air current effect, move to the terminal point in spiral helicine material passageway 12 of walking, because screening dish 1 is the taper, only by the powder that the air current was bloated, and the powder that allows filter screen 3 to pass through just can get into containing tray 2, other powder is through unloading hole 13, accept the back by the material receiving container, need grind once more, it just can just to pan feeding once more, make powder raw materials do not have the condition of blockking up filter screen 3, also do not have the condition of receiving the weight and passing through filter screen 3, thereby can obtain the particle diameter littleer in containing tray 2, the more regular powder raw materials of size.
The material containing tray 2 is in a conical shape, the material discharging pipe 21 is positioned at a low point, and the situation that the powder raw materials do not flow back is ensured under the action of airflow.
As shown in fig. 1 and 2, the feeding mechanism includes a rotating shaft 41, a plurality of blades 42 are disposed outside the rotating shaft 41, a ventilation hole 43 for blowing air to the blades 42 is disposed on the screening disk 1, the rotating shaft 41 is of a hollow structure, a feeding hopper 44 disposed on the screening disk 1 is disposed at the upper end of the rotating shaft 41, the feeding hopper 44 is connected with the rotating shaft 41 through a flat bearing, the lower end of the rotating shaft 41 is connected with the screening disk 1 through a flat bearing, the feeding hopper 44 is fixedly connected with the screening disk 1, and a plurality of feeding grooves 45 communicating the feeding hopper 44 with the feeding channel 12 are disposed on the rotating shaft 41.
The feeding groove 45 is arc-shaped, the blades 42 are arc-shaped, and the bending directions of the feeding groove 45 and the blades 42 are opposite.
The number of the feeding grooves 45 is communicated with the number of the blades 42, and the feeding grooves 45 are positioned between the two blades 42.
The blade 42 has an inclination angle with the rotating shaft 41, and the blade 42 is inclined upward of the rotating shaft 41.
Powder raw materials enter a cavity in the rotating shaft 41 from the feeding hopper 44 and enter the material feeding channel 12 from the feeding groove 45, the air blower blows air to the blades 42, the powder raw materials enter from the feeding hopper 44 and enter the material feeding channel 12 from the feeding groove 45, the blades 42 disperse the powder raw materials, and air flow is more uniform; the feeding groove 45 and the blades 42 are bent in opposite directions, and the blades 42 are inclined upward so that the powder material does not flow backward in the feeding groove 45.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (2)
1. The powder raw material feeding mechanism for vanadium-nitrogen alloy production is characterized by comprising a hollow screening disc (1), wherein a spiral partition bar (11) is arranged in the screening disc (1), the partition bar (11) divides an inner cavity of the screening disc (1) into a spiral feeding channel (12), a starting point of the feeding channel (12) is positioned at the outer edge of the screening disc (1), a terminal point of the feeding channel (12) is positioned in the middle of the screening disc (1), a rotating shaft (41) is arranged at the starting point of the feeding channel (12), a plurality of blades (42) are arranged outside the rotating shaft (41), a vent hole (43) for blowing the blades (42) is arranged on the screening disc (1), the rotating shaft (41) is of a hollow structure, a feeding hopper (44) positioned above the screening disc (1) is arranged at the upper end of the rotating shaft (41), the feeding hopper (44) is connected with the rotating shaft (41) through a plane bearing, the lower end of the rotating shaft (41) is connected with the screening disc (1) through the plane bearing, the feeding hopper (44) is fixedly connected with the screening disc (1), and a plurality of feeding grooves (45) communicated with the feeding hopper (44) and the feeding channel (12) are formed in the rotating shaft (41);
the feeding groove (45) is arc-shaped, the blades (42) are arc-shaped, and the bending directions of the feeding groove (45) and the blades (42) are opposite; the blade (42) and the rotating shaft (41) have an inclination angle, and the blade (42) inclines towards the upper part of the rotating shaft (41); a feeding hole (14) positioned at the end point of the material feeding channel (12) is formed in the wall surface of the top of the screening disc (1), a hollow material containing disc (2) is arranged above the screening disc (1), the feeding hole (14) is communicated with the inner cavity of the screening disc (1) and the inner cavity of the material containing disc (2), and a filter screen (3) is arranged at the position of the feeding hole (14); the screening disc (1) is conical, and the horizontal plane of the end point of the feeding channel (12) is higher than the horizontal plane of the starting point of the feeding channel (12); the material containing disc (2) is conical, the material inlet hole (14) is communicated with the highest point of the material containing disc (2), and the lowest point of the material containing disc (2) is provided with a material outlet pipe (21).
2. The powder raw material feeding mechanism for producing the vanadium-nitrogen alloy as claimed in claim 1, wherein the number of the feeding grooves (45) is communicated with the number of the blades (42), and the feeding grooves (45) are positioned between the two blades (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810402164.5A CN108704571B (en) | 2018-04-28 | 2018-04-28 | Powder raw material feeding mechanism for vanadium-nitrogen alloy production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810402164.5A CN108704571B (en) | 2018-04-28 | 2018-04-28 | Powder raw material feeding mechanism for vanadium-nitrogen alloy production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108704571A CN108704571A (en) | 2018-10-26 |
| CN108704571B true CN108704571B (en) | 2020-10-02 |
Family
ID=63867490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810402164.5A Expired - Fee Related CN108704571B (en) | 2018-04-28 | 2018-04-28 | Powder raw material feeding mechanism for vanadium-nitrogen alloy production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108704571B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3617030A (en) * | 1969-07-15 | 1971-11-02 | Cpc International Inc | Mixing equipment for dry vegetables |
| SU603435A1 (en) * | 1975-06-23 | 1978-04-25 | Московская сельскохозяйственная академия им.К.А.Тимирязева | Device for pneumatic cleaning of grain-chaff mixture |
| SU757214A1 (en) * | 1978-05-29 | 1980-08-23 | Valentin M Khalanskij | Apparatus for pneumatic cleating |
| AT401741B (en) * | 1993-08-19 | 1996-11-25 | Thaler Horst Dipl Ing | WINDSIGHTER |
| DE102011055762B4 (en) * | 2011-11-28 | 2014-08-28 | Maschinenfabrik Köppern GmbH & Co KG | Device for sifting granular material and grinding plant |
| CN205236392U (en) * | 2015-12-25 | 2016-05-18 | 潍坊华潍新材料科技有限公司 | Sorting unit is used in production of degradable water-soluble film |
| CN206083119U (en) * | 2016-08-31 | 2017-04-12 | 山东省乐陵市林丰食品有限公司 | Winter jujube splitter |
-
2018
- 2018-04-28 CN CN201810402164.5A patent/CN108704571B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN108704571A (en) | 2018-10-26 |
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Effective date of registration: 20221209 Address after: 276000 Jinke Finance and Taxation Building, Yihe East Road, Zhimadun Street, Linyi Economic and Technological Development Zone, Shandong Province Patentee after: Linyi Economic Development Land Reserve Development Group Co.,Ltd. Address before: 314400 407, room 11, No. 16-1, Shi Dai Road, Haining Economic Development Zone, Haining, Jiaxing, Zhejiang Patentee before: HAINING WENSHUO TECHNOLOGY CONSULTATION Co.,Ltd. |
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Granted publication date: 20201002 |
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