CN217569120U - Device for improving grading efficiency of high titanium slag - Google Patents
Device for improving grading efficiency of high titanium slag Download PDFInfo
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- CN217569120U CN217569120U CN202220629503.5U CN202220629503U CN217569120U CN 217569120 U CN217569120 U CN 217569120U CN 202220629503 U CN202220629503 U CN 202220629503U CN 217569120 U CN217569120 U CN 217569120U
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Abstract
The utility model belongs to the technical field of metallurgical production, concretely relates to improve device of high titanium sediment classification efficiency for improve the classification efficiency of high titanium sediment, reduced follow-up hierarchical screening load, reduce screen cloth jam or damage. The utility model comprises a gas collecting hood, a fan base, a variable frequency fan and a plurality of material collecting bins; a discharging pipe of a high titanium slag bin is arranged at the upper part of the gas collecting hood; the plurality of receiving bins are positioned at the lower part of the gas-collecting hood and are arranged along the air flowing direction; the fan base is fixedly connected with the variable frequency fan; a gas collecting hood air inlet is formed in one side, close to the variable frequency fan, of the gas collecting hood, and a gas collecting hood air outlet is formed in one side, far away from the variable frequency fan, of the gas collecting hood; the variable frequency fan is connected with the air inlet of the gas collecting hood; the air inlet of the gas-collecting hood has an upward inclined angle. The utility model discloses it is hierarchical directly with this device selection by winnowing after the high titanium sediment is broken, reduced follow-up hierarchical screening load, promoted classification efficiency.
Description
Technical Field
The utility model relates to a material screening grading plant in the metallurgical production field is particularly useful for a device that improves high titanium sediment classification efficiency who handles in grades of high titanium sediment.
Background
The high titanium slag is a titanium ore enrichment substance formed by a chemical reaction process, the titanium ore is heated and melted by an electric furnace, the titanium concentrate is smelted by the electric furnace, and titanium oxide in the titanium concentrate and a reducing agent (coke, anthracite and semi-coke) are subjected to chemical reaction to generate TiO 2 Because of different specific gravity, the slag iron is separated to obtain the titanium-rich material (titanium slag), the high titanium slag is neither waste slag nor by-product, and the high titanium slag is the raw material of titanium tetrachloride.
The high titanium slag produced by the electric furnace needs to be subjected to the working procedures of crushing, grinding, grading and the like to produce the high titanium slag with qualified grain size and the fine acid slag. In the production of the working procedures, because the feeding treatment capacity of the classifying screen is limited, the screening benefit is unstable and other factors, large materials and qualified materials can enter the grinding machine for grinding, and the grinding efficiency of the grinding machine is low due to the large materials; therefore, a device is needed to replace a swing or vibrating screen for primary screening after crushing, and the grading efficiency is improved.
If the high titanium slag particles are too large, the subsequent screen mesh is easy to be blocked or damaged, and the efficiency of the grading screen is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an improve high titanium sediment classification efficiency's device for improve the classification efficiency of high titanium sediment, reduce follow-up hierarchical screening load, reduce screen cloth jam or damaged. Through the primary selection and classification of the utility model, the large block materials can be controlled to return to the crusher for crushing; screening the medium-coarse grain size high titanium slag by a vibrating screen, then passing the medium-coarse grain size high titanium slag through a grading screen again, grinding the oversize large grain size high titanium slag in a grinding machine, and feeding the undersize qualified grain size high titanium slag into a subsequent grading process; the fine-grained high-titanium slag and the dust-collecting slag directly enter a subsequent subdivision screening process. The fine-grained and qualified-grained high-titanium slag is prevented from entering the mill for repeated grinding, the fine powder rate generated by grinding is reduced, the system throughput is increased, and the classification efficiency is improved. The utility model is not only suitable for grading high titanium slag, but also suitable for grading separation of other solid particles.
The utility model provides an above-mentioned technical problem provide following technical scheme:
a device for improving the grading efficiency of high titanium slag comprises a gas collecting hood, a fan base, a variable frequency fan and a plurality of material collecting bins; the plurality of receiving bins are positioned at the lower part of the gas-collecting hood and are arranged along the air flowing direction; the fan base is fixedly connected with the variable frequency fan; a gas collecting hood air inlet is formed in one side, close to the variable frequency fan, of the gas collecting hood, and a gas collecting hood air outlet is formed in one side, far away from the variable frequency fan, of the gas collecting hood; the variable frequency fan is connected with an air inlet of the gas collecting hood; and a high-titanium slag bin discharging pipe is arranged on one side, close to the air inlet of the gas collecting hood, of the upper part of the gas collecting hood.
After the technical scheme is adopted, the device is simple and reliable, and has larger screening treatment capacity compared with the screen in the prior art; select for use the frequency conversion fan, can be according to the speed adjustment fan air-out size of feeding volume, require lowly for the screen cloth to feed rate, the wide range, efficiency is higher.
Preferably, the air inlet of the gas collecting hood has an inclined angle towards the blanking pipe of the high titanium slag bin.
After the technical scheme is adopted, the air inlet of the gas collecting hood has an upward inclined angle, the wind power forms an upward vertical component force and a forward horizontal component force, the vertical component force can counteract partial particle gravity, and the wind power can prolong the horizontal movement time of the particles along with the wind, so that the particles are separated more effectively.
Preferably, the blanking pipe of the high-titanium slag bin is connected with the crushed high-titanium slag bin.
Preferably, a plurality of ultraviolet lamps are arranged above the crushed high titanium slag bin.
After the preferable technical scheme is adopted, tiO is irradiated by an ultraviolet lamp 2 The particles are more uniformly dispersed due to the repulsion of like charges, and the separation of the particles is more facilitated. Under UV irradiation, tiO 2 The valence band electrons are excited to the conduction band, and the electrons and holes are directed to the TiO 2 And (3) surface migration, generating electron-hole pairs on the surface, reacting electrons with Ti, and reacting holes with surface bridge oxygen ions to respectively form positive and trivalent titanium ions and oxygen vacancies. At this time, water in the air is dissociated and adsorbed in the oxygen vacancy to become chemically adsorbed water, and the chemically adsorbed water can further adsorb moisture in the air to form a physical adsorption layer. TiO 2 2 After the particles adsorb water, the surface charges can adsorb opposite charges to form a diffusion double layer, so that the effective diameter of the particles is increased, and when the particles are close to each other, the particles repel each other due to the same charges, which is beneficial to the stability of a dispersion system. TiO 2 2 The particles are more uniformly dispersed due to the repulsion of like-charge charges, and the particle separation is more facilitated.
Preferably, the number of the collecting bins is 2 to 6.
Preferably, the number of the material receiving bins is 3; the material collecting bins are respectively a first material collecting bin, a second material collecting bin and a third material collecting bin along the air flowing direction.
Preferably, the first material receiving bin comprises a coarse material receiving bin and a coarse material bin feed opening which are sequentially connected in the vertical direction, the second material receiving bin comprises a coarse material bin feed opening and a medium coarse material receiving bin which are sequentially connected in the vertical direction, and the third material receiving bin comprises a fine material receiving bin and a fine material bin feed opening which are sequentially connected in the vertical direction.
Preferably, the diameter of the feed opening of the coarse material bin is larger than or equal to that of the feed opening of the medium coarse material bin; the diameter of the feed opening of the medium coarse material bin is larger than or equal to that of the feed opening of the fine material bin.
Preferably, the plurality of receiving bins are provided with upward convex baffles.
After the preferable technical scheme is adopted, the large block materials can be controlled to return to the crusher for crushing through the primary selection and classification of the utility model; screening the medium-coarse grain size high titanium slag by a vibrating screen, then passing the medium-coarse grain size high titanium slag through a grading screen again, grinding the oversize large grain size high titanium slag in a grinding machine, and feeding the undersize qualified grain size high titanium slag into a subsequent grading process; directly feeding fine-grained high-titanium slag and dust-collecting slag into a subsequent subdivision screening process; the material collecting bins are provided with upward convex baffles, the heights of the baffles can be adjusted to adapt to different materials, the impurity mixing amount is reduced, and the material distributing efficiency is improved.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the device can be directly used for winnowing classification after high titanium slag is crushed, so that the screening load of subsequent classification is reduced, and the efficiency is improved.
2. The device is simple and reliable, has larger screening treatment capacity compared with the prior art, and reduces the production shutdown frequency caused by screen damage and screen blockage.
3. This device chooses the frequency conversion fan for use, can be according to the speed adjustment fan air-out size of feeding volume, requires lowly for the screen cloth to feed rate, and the scope is wide, and efficiency is higher.
4. This device has reduced the volume that the segmentation got into follow-up screening through verifying, has avoided the screen cloth betting, reduces the screen cloth and accords with, increases follow-up screening efficiency.
5. The device can reduce subsequent qualified materials, subdivide the materials to enter and return the mill for over-grinding, the work of the mill can be reduced, the subdividing is reduced, and the grinding efficiency of the mill is increased.
6. TiO irradiated by ultraviolet lamp 2 The particles are more uniformly dispersed due to the repulsion of like charges, and the separation of the particles is more facilitated.
7. The air inlet of the gas-collecting hood has an upward inclined angle, the wind power forms an upward vertical component force and a forward horizontal component force, the vertical component force can counteract partial particle gravity, and the wind power can prolong the horizontal movement time of the particles along with the wind, thereby more effectively separating the particles.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-a crushed high titanium slag bin, 2-a high titanium slag bin blanking pipe, 3-a gas collecting hood, 4-a gas collecting hood air outlet, 5-a fan base, 6-a variable frequency fan, 7-a gas collecting hood air inlet, 8-a coarse material receiving bin, 9-a coarse material bin blanking port, 10-a medium coarse material receiving bin, 11-a medium coarse material bin blanking port, 12-a fine material receiving bin, 13-a fine material bin blanking port and 14-an ultraviolet lamp.
Detailed Description
In order to make the technical means, features and functions of the present invention easier to understand, the following embodiments and drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention.
As shown in fig. 1, the utility model provides the following technical scheme:
a device for improving the grading efficiency of high titanium slag comprises a gas collecting hood 3, a fan base 5, a variable frequency fan 6 and a plurality of material receiving bins; the plurality of receiving bins are positioned at the lower part of the gas-collecting hood 3 and are arranged along the air flowing direction; the fan base 5 is fixedly connected with the variable frequency fan 6; a gas collecting hood air inlet 7 is arranged on one side, close to the variable frequency fan 6, of the gas collecting hood 3, and a gas collecting hood air outlet 4 is arranged on one side, far away from the variable frequency fan 6, of the gas collecting hood 3; the variable frequency fan 6 is connected with an air inlet 7 of the gas collecting hood; and a high titanium slag bin discharging pipe 2 is arranged on one side of the upper part of the gas collecting hood 3, which is close to the gas collecting hood air inlet 7.
In the embodiment, the device is simple and reliable, and has larger screening treatment capacity compared with the prior art; select for use the frequency conversion fan, can be according to the speed adjustment fan air-out size of feeding volume, require lowly for the screen cloth to feed rate, the wide range, efficiency is higher.
In this embodiment, the air inlet 7 of the gas collecting hood has an angle inclined toward the discharging pipe 2 of the high titanium slag bin.
In the embodiment, the air inlet of the gas collecting hood has an upward inclined angle, the wind power forms an upward vertical component force and a forward horizontal component force, the vertical component force can counteract partial particle gravity, and the wind power can prolong the horizontal movement time of the particles along with the wind, so that the particles are separated more effectively.
In the embodiment, the blanking pipe 2 of the high titanium slag bin is connected with a crushed high titanium slag bin 1.
In this embodiment, a plurality of ultraviolet lamps 14 are arranged above the crushed high titanium slag bin 1.
In this example, tiO was irradiated with ultraviolet light 2 The particles are more uniformly dispersed due to the repulsion of like charges, and the separation of the particles is more facilitated. Under UV irradiation, tiO 2 The valence band electron is excited to the conduction band and the electrons and holes are directed to the TiO 2 And (3) surface migration, generating electron-hole pairs on the surface, reacting electrons with Ti, and reacting holes with surface bridge oxygen ions to respectively form positive and trivalent titanium ions and oxygen vacancies. In this case, water in the air is dissociated and adsorbed in the oxygen vacancies to become chemically adsorbed water, and the chemically adsorbed water can further adsorb moisture in the air to form a physical adsorption layer. TiO 2 2 After the particles adsorb water, the surface charges can adsorb opposite charges to form a diffusion double layer, so that the effective diameter of the particles is increased, and when the particles are close to each other, the particles repel each other due to the same charges, which is beneficial to the stability of a dispersion system. TiO 2 2 The particles are more uniformly dispersed due to the repulsion of like charges, and the separation of the particles is more facilitated.
In this embodiment, the number of the receiving bins is 3; the material collecting bins are respectively a first material collecting bin, a second material collecting bin and a third material collecting bin along the air flowing direction.
In this embodiment, the first receiving bin includes a coarse material receiving bin 8 and a coarse material bin feed opening 9 which are sequentially connected in the vertical direction, the second receiving bin includes a medium coarse material receiving bin 10 and a medium coarse material bin feed opening 11 which are sequentially connected in the vertical direction, and the third receiving bin includes a fine material receiving bin 12 and a fine material bin feed opening 13 which are sequentially connected in the vertical direction.
In this embodiment, the diameter of the coarse material bin feed opening 9 is greater than or equal to the diameter of the medium coarse material bin feed opening 11; the diameter of the middle coarse material bin feed opening 11 is larger than or equal to the diameter of the fine material bin feed opening 13.
In this embodiment, be provided with the bellied baffle of upwards between a plurality of receipts feed bin.
In the embodiment, the large blocks can be controlled to return to the crusher for crushing through the primary selection and classification of the device; after the medium-coarse grain size high titanium slag is screened by a vibrating screen, the medium-coarse grain size high titanium slag passes through a grading screen again, large grain sizes on the screen enter a grinding machine for grinding, and qualified grain sizes under the screen enter a subsequent grading process; directly feeding fine-grained high-titanium slag and dust-collecting slag into a subsequent subdivision screening process; the baffle plates protruding upwards are arranged among the material receiving bins, the height of each baffle plate can be adjusted to adapt to different entering materials, the impurity mixing amount is reduced, and the material distribution efficiency is improved.
The following is a specific use flow of this embodiment:
the utility model relates to an improve device of high titanium sediment classification efficiency, when using, as shown in FIG. 1, according to the utility model discloses exemplary embodiment's improvement high titanium sediment classification efficiency device for realize broken back high titanium sediment coarse classification, compare in vibrating screen handling capacity bigger, the device simple, avoided on the sieve long-pending material, screen cloth to change frequently. When the high titanium slag grading device is used, the method comprises the following operation steps: high titanium slag crushed by the crusher enters a crushed high titanium slag bin 1 and is discharged through a high titanium slag bin discharging pipe 2, and the high titanium slag vertically falls down to make parabolic motion under the action of the blowing horizontal force of a fan by adjusting the wind power and the discharging speed of a variable frequency fan 6; coarse-grained high-titanium slag enters a coarse material receiving bin 8, medium-coarse-grained high-titanium slag enters a medium-coarse-grained bin 10, fine-grained high-titanium slag enters a fine-grained bin 12, and the coarse-grained high-titanium slag and the fine-grained high-titanium slag enter the next grading link through a discharging pipe respectively; the dust passes through the air outlet of the gas collecting hood to the dust collector. The primary classification of different grain sizes of the high titanium slag is realized, the subsequent screening classification pressure is reduced, the qualified grain size is reduced, the grinding is carried out in a grinding machine, and the fine powder rate is reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides an improve device of high titanium slag classification efficiency which characterized in that: comprises a gas collecting hood (3), a fan base (5), a variable frequency fan (6) and a plurality of material collecting bins; the plurality of material collecting bins are positioned at the lower part of the gas collecting hood (3) and are arranged along the air flowing direction; the fan base (5) is fixedly connected with the variable frequency fan (6); a gas-collecting hood air inlet (7) is formed in one side, close to the variable-frequency fan (6), of the gas-collecting hood (3), and a gas-collecting hood air outlet (4) is formed in one side, far away from the variable-frequency fan (6); the variable frequency fan (6) is connected with an air inlet (7) of the gas-collecting hood; and a high-titanium slag bin blanking pipe (2) is arranged on one side of the upper part of the gas collecting hood (3) close to the gas collecting hood air inlet (7).
2. The device for improving the classification efficiency of the high titanium slag according to claim 1, wherein: and the air inlet (7) of the gas collecting hood is provided with an angle inclining towards the blanking pipe (2) of the high titanium slag bin.
3. The apparatus for improving the classification efficiency of the high titanium slag according to claim 1, wherein: the high titanium slag bin blanking pipe (2) is connected with a crushed high titanium slag bin (1).
4. The apparatus for improving the classification efficiency of the high titanium slag according to claim 3, wherein: and a plurality of ultraviolet lamps (14) are arranged above the crushed high-titanium slag bin (1).
5. The apparatus for improving the classification efficiency of the high titanium slag according to claim 1, wherein: the number of the material receiving bins is 2 to 6.
6. The device for improving the classification efficiency of the high titanium slag according to claim 5, wherein: the number of the receiving bins is 3; the material collecting bins are respectively a first material collecting bin, a second material collecting bin and a third material collecting bin along the air flowing direction.
7. The apparatus for improving the classification efficiency of the high titanium slag according to claim 6, wherein: the first material receiving bin comprises a coarse material receiving bin (8) and a coarse material bin feed opening (9) which are sequentially connected in the vertical direction, the second material receiving bin comprises a medium coarse material receiving bin (10) and a medium coarse material bin feed opening (11) which are sequentially connected in the vertical direction, and the third material receiving bin comprises a fine material receiving bin (12) and a fine material bin feed opening (13) which are sequentially connected in the vertical direction.
8. The apparatus for improving the classification efficiency of the high titanium slag according to claim 7, wherein: the diameter of the coarse material bin feed opening (9) is larger than or equal to that of the medium coarse material bin feed opening (11); the diameter of the middle coarse material bin feed opening (11) is larger than or equal to that of the fine material bin feed opening (13).
9. The apparatus for improving the classification efficiency of the high titanium slag according to claim 1, wherein: and upward convex baffles are arranged among the plurality of material receiving bins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220629503.5U CN217569120U (en) | 2022-03-22 | 2022-03-22 | Device for improving grading efficiency of high titanium slag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220629503.5U CN217569120U (en) | 2022-03-22 | 2022-03-22 | Device for improving grading efficiency of high titanium slag |
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| Publication Number | Publication Date |
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| CN217569120U true CN217569120U (en) | 2022-10-14 |
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| CN202220629503.5U Active CN217569120U (en) | 2022-03-22 | 2022-03-22 | Device for improving grading efficiency of high titanium slag |
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- 2022-03-22 CN CN202220629503.5U patent/CN217569120U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230805 Address after: 675000 Dapingzi, Shishan Town, Wuding County, Chuxiong Yi Autonomous Prefecture, Yunnan Province Patentee after: Wudingguo Titanium Metal Co.,Ltd. Address before: 651600 Dapingzi, Shishan town, Wuding County, Chuxiong Yi Autonomous Prefecture, Yunnan Province Patentee before: Longbai Wuding Titanium Industry Co.,Ltd. |
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| TR01 | Transfer of patent right |