CN214553117U - Ferrosilicon raw material batching device - Google Patents
Ferrosilicon raw material batching device Download PDFInfo
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- CN214553117U CN214553117U CN202023141655.0U CN202023141655U CN214553117U CN 214553117 U CN214553117 U CN 214553117U CN 202023141655 U CN202023141655 U CN 202023141655U CN 214553117 U CN214553117 U CN 214553117U
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Abstract
The utility model provides a ferrosilicon raw materials dosing unit, belongs to ferrosilicon and smelts technical field, include: the feeding device comprises a silica feeding device, a coke feeding device and a steel scrap feeding device which are arranged in parallel; the utility model discloses a material mixing device, including feed hopper, feed proportioning and mixing device, and mixing device.
Description
Technical Field
The utility model belongs to the technical field of ferrosilicon smelting equipment, concretely relates to ferrosilicon raw materials dosing unit.
Background
The raw materials that ferrosilicon was smelted are silica, coke and iron ore, smelt in-process adds the ore furnace in its predetermined proportion and smelt, the raw materials feeder hopper is poured into respectively earlier to the in-process of prior art material loading, directly fall into the batching fill after weighing the weight through weighing mechanism, after the raw materials that gets into the batching fill reaches predetermined proportion, close raw materials feeder hopper lower extreme control valve, open the batching fill control valve, will join in marriage the raw materials through conveyer and deliver to ore furnace and smelt, this in-process raw materials directly reachs in the ore furnace through a compounding, so lead to the compounding inhomogeneous, the inhomogeneous and performance inequality of each position of ferrosilicon piece that produces.
Disclosure of Invention
In view of this, it is necessary to provide a ferrosilicon raw material batching apparatus to solve the problems of uneven material mixing, uneven quality and uneven performance of each part of the produced ferrosilicon block.
A ferrosilicon raw materials dosing unit includes:
the feeding device is provided with a hopper and a discharging mechanism, and an outlet of the hopper is provided with a control valve; the hopper is provided with a weighing unit, and the feeding device comprises a silica feeding device, a coke feeding device and an iron ore feeding device which are arranged in parallel;
the material conveying device is positioned below the discharge port of the blanking mechanism, and the discharge ports of the silica feeding device, the coke feeding device and the iron ore feeding device are positioned above the material conveying device in parallel; and
batching compounding device, batching compounding device's feed inlet is located the below of material conveyor discharge end, batching compounding device's discharge gate is provided with the control valve.
Preferably, the blanking mechanism is provided with a screening device, the screening device comprises an oversize material guiding chute, an undersize material guiding chute and an undersize material collecting tank, a discharge port of the hopper is positioned above an inlet of the oversize material guiding chute, a bottom plate of the oversize material guiding chute is provided with a screen plate, and the screen plate is obliquely arranged; the inlet of the undersize guide chute is arranged below the sieve plate, and the bottom plate of the undersize guide chute is obliquely arranged; the undersize collection tank inlet is located below the undersize guide chute outlet.
Preferably, the undersize collection tank is provided with a weighing unit.
Preferably, the inlet of the oversize guide chute is flexibly connected with the outlet at the lower end of the hopper, the oversize guide chute is provided with a vibrating motor, and the outlet of the oversize guide chute is positioned above the starting end of the material conveying device.
Preferably, the angle of inclination of the screen deck to the horizontal is 25 ° ± 5 °, and the angle of inclination of the undersize guide chute floor to the horizontal is 25 ° ± 5 °.
Preferably, the sieve plate is detachably connected.
Preferably, the aperture of the sieve plate is 15 mm-80 mm.
Preferably, the batching and mixing device is provided with a vibrating motor.
Preferably, the discharge gate of batching compounding device is connected with the material conveyer belt, the material conveyer belt is used for carrying the material to the hot stove in ore deposit.
The utility model adopts the above technical scheme, its beneficial effect lies in: the method comprises the steps of adding silica, coke and iron ore with preset mass into hoppers of a silica feeding device, a coke feeding device and an iron ore feeding device respectively, opening a control valve at an outlet at the lower end of the hopper in sequence after raw materials added into the hoppers reach the preset mass, enabling the silica, the coke and the iron ore to fall on a material conveying device through a blanking device respectively, enabling the three raw materials to be subjected to preliminary mixing on the material conveying device and enter a batching and mixing device through the material conveying device, performing secondary mixing in the batching and mixing device, uniformly mixing, closing the control valve at the outlet at the lower end of the hopper after falling raw materials are weighed by a weighing unit on the hopper to reach the preset mass, opening the control valve at a discharge port of the batching and mixing device when the raw materials with the preset proportion completely fall into the batching and mixing device, and conveying the raw materials into a submerged arc furnace through the conveying device for smelting.
Drawings
FIG. 1 is a schematic view of a preferred angle structure of the ferrosilicon raw material batching device.
FIG. 2 is a side view of the structure of a ferrosilicon feedstock batching plant.
FIG. 3 is a front view of the structure of the ferrosilicon feedstock batching device.
FIG. 4 is a cross-sectional view of a ferrosilicon feedstock batching device.
In the figure: the material feeding device 100, the material conveying device 200, the ingredient mixing device 300, the material conveyor 400, the hopper 110, the blanking mechanism 120, the screening device 130, the silica feeding device 140, the coke feeding device 150, the iron ore feeding device 160, the control valve 111, the weighing unit 112, the oversize guide chute 131, the undersize guide chute 132, the undersize collection tank 133, the weighing unit 112, the screen plate 1311, and the vibration motor 1312.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, 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 some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 4, an embodiment of the present invention provides a ferrosilicon raw material batching device, including: the feeding device 100 is provided with a hopper 110 and a blanking mechanism 120, and the outlet of the hopper 110 is provided with a control valve 111. The hopper 110 is provided with a weighing unit 112, and the feeding device 110 includes a silica feeding device 140, a coke feeding device 150, and an iron ore feeding device 160, which are arranged in parallel. The material conveying device 200 is positioned below the discharge port of the blanking mechanism 120, and the discharge ports of the silica feeding device 140, the coke feeding device 150 and the iron ore feeding device 160 are positioned above the starting end of the material conveying device 200 in parallel; the feed inlet of batching compounding device 300 is located the below of material conveyor 200 discharge end, the discharge gate of batching compounding device 300 is provided with control valve 111.
In practice, predetermined mass of silica, coke and iron ore are fed into the silica feeding device 140, the coke feeding device 150 and the iron ore feeding device 160, respectively, the material conveying device 200 is started, the outlet control valve 111 of the hopper 110 of the silica feeding device 140 is opened first, the silica falls onto the material conveying device 200 from the outlet of the blanking mechanism 120, when the initially falling silica reaches below the outlet of the coke feeding device 150 through the material conveying device 200, the outlet control valve 111 of the hopper 110 of the coke feeding device 150 is opened immediately, the coke falls onto the material conveying device 200 through the blanking mechanism 120 to be mixed with the silica, when the mixture of the silica and the coke reaches below the outlet of the iron ore feeding device 160 through the material conveying device 200, the outlet control valve 111 of the hopper 110 of the iron ore feeding device 160 is opened immediately, and the iron ore falls onto the material conveying device 200 through the blanking mechanism 120, mixing with silica and coke, enabling the three raw material mixtures to reach the batching and mixing device 300 along with the operation of the material conveying device 200, performing secondary mixing, closing the control valve 111 at the outlet at the lower end of the hopper 110 after the falling raw materials weighed by the weighing unit 112 on the hopper 110 reach the preset quality, opening the control valve 111 at the discharge port of the batching and mixing device 300 when the raw material mixtures in the preset proportion completely fall into the batching and mixing device 300, and conveying the uniformly mixed raw materials to the ore-smelting furnace for smelting by a material conveying belt.
Further, the blanking mechanism 120 is further provided with a screening device 130, the screening device 130 includes an oversize material guiding chute 131, an undersize material guiding chute 132 and an undersize material collecting tank 133, the discharge port of the hopper 110 is located above the inlet of the oversize material guiding chute 131, the bottom plate of the oversize material guiding chute 131 is provided as a screening plate 1311, and the screening plate 1311 is obliquely provided. The inlet of the undersize guide chute 132 is disposed below the screen panel 1311 and the floor of the undersize guide chute 132 is disposed at an incline. The undersize collection tank 133 inlet is located below the undersize guide chute 132 outlet, and the undersize collection tank 133 is provided with the weighing unit 112.
In one embodiment, a predetermined mass of silica is added to the hopper 110, the control valve 111 at the lower end of the hopper 110 is opened, the silica falls from the outlet at the lower end of the hopper 110 into the sieving device 130, and first passes through the oversize guide chute 131, the floor of the oversize guide chute 131 is set as the sieve plate 1311, in order to sieve the silica, the silica with mesh larger than the sieve hole is left in the oversize guide chute 131 and slides down in the oblique direction of the sieve plate 1311 to the material conveying device 200, the silica with mesh smaller than the sieve hole falls down in the undersize guide chute 132 and slides down in the oblique direction of the floor of the undersize guide chute 132 and falls into the undersize collection tank 133, and at the same time the weighing unit 112 of the hopper collection tank 110 weighs the mass of the silica falling out of the hopper, the weighing unit 112 of the undersize collection tank 133 weighs the mass of the fine material, the absolute value of the difference between the two masses being the mass of the coarse material, i.e., the mass of silica falling through the oversize guide chute 131 onto the material conveyor 200, thereby accomplishing the task of screening while simultaneously discharging material.
Further, the inlet of the oversize guide chute 131 is flexibly connected with the lower end outlet of the hopper 110, the oversize guide chute 131 is provided with a vibration motor 1312, the outlet of the oversize guide chute 131 is positioned above the starting end of the material conveying device 200, the vibration motor 1312 is arranged to accelerate the speed of blanking screening, so that screening is more sufficient and efficient, and the inlet of the oversize guide chute 131 is connected with the lower end outlet of the hopper 110 through a flexible material such as rubber or plastic to play a role in shock absorption.
Further, the inclination angle of the screen plate 1311 to the horizontal plane is 25 ° ± 5 °, the inclination angle of the bottom plate of the undersize guiding chute 132 to the horizontal plane is 25 ° ± 5 °, and the sliding speed of the undersize is moderate, so that the raw material is fully screened in the sliding process.
Furthermore, the sieve plate 1311 can be dismantled and connected, and the sieve plate 1311 can be conveniently changed at any time according to the demand.
Furthermore, the aperture of the sieve plate 1311 is 15 mm-80 mm.
Further, the batching and mixing device 300 is provided with a vibration motor 1312, and raw materials are fully and uniformly mixed in the batching and mixing device 300 under the action of the vibration motor 1312.
Further, the discharge hole of the batching and mixing device 300 is connected with a material conveying belt 400 so as to convey the uniformly mixed raw materials into the submerged arc furnace.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a ferrosilicon raw materials dosing unit which characterized in that includes:
the feeding device is provided with a hopper and a discharging mechanism, and an outlet of the hopper is provided with a control valve; the hopper is provided with a weighing unit, and the feeding device comprises a silica feeding device, a coke feeding device and an iron ore feeding device which are arranged in parallel;
the material conveying device is positioned below the discharge port of the blanking mechanism, and the discharge ports of the silica feeding device, the coke feeding device and the iron ore feeding device are positioned above the material conveying device in parallel; and
batching compounding device, batching compounding device's feed inlet is located the below of material conveyor discharge end, batching compounding device's discharge gate is provided with the control valve.
2. The ferrosilicon raw material batching device of claim 1, characterized in that: the blanking mechanism is provided with a screening device, the screening device comprises an oversize material guiding chute, an undersize material guiding chute and an undersize material collecting tank, a discharge hole of the hopper is positioned above an inlet of the oversize material guiding chute, a bottom plate of the oversize material guiding chute is provided with a screen plate, and the screen plate is obliquely arranged; the inlet of the undersize guide chute is arranged below the sieve plate, and the bottom plate of the undersize guide chute is obliquely arranged; the undersize collection tank inlet is located below the undersize guide chute outlet.
3. The ferrosilicon raw material batching device of claim 2, characterized in that: the undersize collection tank is provided with a weighing unit.
4. The ferrosilicon raw material batching device of claim 2, characterized in that: the inlet of the oversize guide chute is flexibly connected with the outlet at the lower end of the hopper, the oversize guide chute is provided with a vibrating motor, and the outlet of the oversize guide chute is positioned above the starting end of the material conveying device.
5. The ferrosilicon raw material batching device of claim 2, characterized in that: the inclination angle of the sieve plate and the horizontal plane is 25 degrees +/-5 degrees, and the inclination angle of the bottom plate of the undersize guiding chute and the horizontal plane is 25 degrees +/-5 degrees.
6. The ferrosilicon raw material batching device of claim 2, characterized in that: the sieve plate is detachably connected.
7. The ferrosilicon raw material batching device of claim 2, characterized in that: the aperture of the sieve plate is 15 mm-80 mm.
8. The ferrosilicon raw material batching device of claim 1, characterized in that: the batching and mixing device is provided with a vibrating motor.
9. The ferrosilicon raw material batching device of claim 1, characterized in that: the discharge gate of batching compounding device is connected with the material conveyer belt, the material conveyer belt is used for carrying the material to hot stove in the ore deposit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023141655.0U CN214553117U (en) | 2020-12-23 | 2020-12-23 | Ferrosilicon raw material batching device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023141655.0U CN214553117U (en) | 2020-12-23 | 2020-12-23 | Ferrosilicon raw material batching device |
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| CN214553117U true CN214553117U (en) | 2021-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212793A (en) * | 2022-01-05 | 2022-03-22 | 中冶东方工程技术有限公司 | Metal silicon smelting batching system and method |
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2020
- 2020-12-23 CN CN202023141655.0U patent/CN214553117U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212793A (en) * | 2022-01-05 | 2022-03-22 | 中冶东方工程技术有限公司 | Metal silicon smelting batching system and method |
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