CN114212793A - Metal silicon smelting batching system and method - Google Patents
Metal silicon smelting batching system and method Download PDFInfo
- Publication number
- CN114212793A CN114212793A CN202210009003.6A CN202210009003A CN114212793A CN 114212793 A CN114212793 A CN 114212793A CN 202210009003 A CN202210009003 A CN 202210009003A CN 114212793 A CN114212793 A CN 114212793A
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- batching
- weighing
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- belt
- coal
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000003723 Smelting Methods 0.000 title claims abstract description 29
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 23
- 239000010703 silicon Substances 0.000 title claims abstract description 23
- 239000002184 metal Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000005303 weighing Methods 0.000 claims abstract description 52
- 239000002023 wood Substances 0.000 claims abstract description 34
- 239000003245 coal Substances 0.000 claims abstract description 31
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/021—Preparation
- C01B33/023—Preparation by reduction of silica or free silica-containing material
- C01B33/025—Preparation by reduction of silica or free silica-containing material with carbon or a solid carbonaceous material, i.e. carbo-thermal process
Abstract
The invention discloses a metal silicon smelting batching system, which comprises a first batching device, a second batching device and a belt conveyor, wherein the first batching device is connected with the second batching device through a belt; the first batching device is used for weighing and batching coal or silica, the second batching device is used for weighing and batching wood chips, and the batched coal or silica and the batched wood chips are conveyed by a belt conveyor; first dosing unit includes first proportioning bins, the first belt weigher that drags formula, weighing hopper and the belt feeder that sets gradually according to material direction of delivery. The metal silicon smelting batching system has the advantages of high automation degree, high batching precision and good environmental protection performance.
Description
Technical Field
The invention relates to the technical field of metal silicon smelting, in particular to a metal silicon smelting batching system and a metal silicon smelting batching method.
Background
With increasingly intense competition of the domestic metal silicon smelting market, reduction of energy consumption, cost saving and improvement of the production automation level are very slow for enterprises. The conventional batching process for metal silicon smelting is characterized in that a vibrating feeder and a weighing hopper are arranged below a coal, silica and wood chip batching bin to feed and weigh materials, the batching precision is low, the surrounding operation environment is severe, the wood chip batching bin is easy to block, and the accuracy, the environmental protection property and the automation of metal silicon smelting batching cannot be realized.
Disclosure of Invention
In view of the above, the present invention provides a metallic silicon metallurgical batching system and method that overcomes, or at least partially solves, the above-mentioned problems.
On one hand, the invention provides a metal silicon smelting batching system, which comprises a first batching device, a second batching device and a belt conveyor; the first batching device is used for weighing batching coal or silica, the second batching device is used for weighing batching wood chips, and the batched coal or silica and the batched wood chips are conveyed by the belt conveyor; first dosing unit includes first proportioning bins, the first belt weigher that drags formula, weighing hopper and the belt feeder that sets gradually according to material direction of delivery.
Optionally, the second batching device includes second proportioning bin, ejection of compact machine and the towed belt weigher of second that sets gradually according to material direction of delivery.
Optionally, the first proportioning bin and the second proportioning bin are weighing proportioning bins, each weighing proportioning bin comprises 3-4 groups of weighing pressure heads and a steel structure bin, and the weighing pressure heads support the steel structure bins; the weighing hopper comprises 3-4 groups of weighing pressure heads and a steel structure hopper, and the weighing pressure heads support the steel structure hopper.
Optionally, the first and second pull-type belt scales are variable frequency controlled weighable belt scales.
Optionally, the discharging machine is a variable-frequency inclined rotating spiral center discharging machine and comprises a spiral shaft, a main shaft driving part, an upper bracket and a swing mechanism; the upper bracket is fixedly connected with the second batching bin, the main shaft driving part is arranged on the outer wall of the slewing mechanism, is connected with one end of the screw shaft and is used for driving the screw shaft to rotate, the screw shaft is obliquely arranged, and the other end of the screw shaft extends into the bin body of the second batching bin through the discharge hole of the second batching bin; the swing mechanism is used for driving the screw shaft to rotate in the second proportioning bin for 360 degrees.
Optionally, the slewing mechanism includes a slewing support portion, a slewing gear motor and a slewing rack, the slewing support portion includes an outer ring and an inner ring, a transmission gear is arranged on an outer side wall of the outer ring, a gear is arranged at a shaft end of the slewing gear motor, and the gear is engaged with the transmission gear; the outer lane of gyration supporting part with upper bracket fixed connection, the inner circle that the gyration was supported with gyration frame fixed connection, gyration gear motor sets up on the outer wall of gyration frame, thereby be used for the drive thereby the gyration frame is around the axis rotation drive the screw axis is in 360 degrees rotations in the second proportioning bins.
Optionally, the upper bracket and the revolving frame are both in an inverted cone shape.
Optionally, the revolving rack further comprises a power supply device, wherein the power supply device is arranged at the bottom of the revolving rack and used for supplying electric energy to the spindle driving part and the revolving speed reduction motor.
Optionally, the first towed belt weigher is in interlocking control with the weighing hopper, and the second towed belt weigher is in interlocking control with the discharging machine.
On the other hand, the invention provides a metal silicon smelting batching method, which uses the metal silicon smelting batching system and comprises the following steps:
step S1: the coal or silica proportioned by the first proportioning bin is fed by a first towed belt scale and weighed by a weighing hopper, and then is conveyed to a belt conveyor by a belt feeder;
step S2: feeding the wood chips proportioned by the second proportioning bin by a discharging machine, weighing by a second towed belt scale, and conveying to a belt conveyor;
step S3: the belt conveyor conveys the proportioned coal or silica and wood chips.
According to the technical scheme, the metal silicon smelting batching system and the metal silicon smelting batching method provided by the invention have the following advantages:
1. coal or silica are proportioned in a mode of 'dragging type belt weigher + weighing hopper', the batching precision is higher, the pollution to the environment is less, and the automation degree is higher.
2. Through the rotatory spiral center ejection of compact machine of inverter type slope evenly delivers to the towed belt weigher with the wood chip from the proportioning bins, solved the easy problem of blockking up of wood chip feed bin to and the easy putty of traditional vibrating feeder's problem, the wood chip batching precision is higher, and degree of automation is higher.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic structural diagram of a silicon metal smelting batching system in the embodiment of the invention;
FIG. 2 is a schematic structural diagram of a variable frequency inclined rotary screw center discharging machine according to an embodiment of the invention.
Description of reference numerals: 1. a first proportioning bin; 2. a first belt scale; 3. a weighing hopper; 4. a belt feeder; 5. a belt conveyor; 6. a second proportioning bin; 7. a discharging machine; 8. a second pull-type belt scale;
7-1 of a spiral shaft; 7-2, a rotation support part; 7-3, a rotary speed reducing motor; 7-4, a main shaft driving part; 7-5, a power supply device; 7-6, an upper bracket; 7-7, and a rotating frame.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example 1
As shown in fig. 1, a metallic silicon smelting batching system of embodiment 1 of the present invention comprises a first batching device, a second batching device and a belt conveyor 5; the first batching device is used for weighing and batching coal or silica, the second batching device is used for weighing and batching wood chips, and the batched coal or silica and the batched wood chips are conveyed by the belt conveyor 5.
As shown in fig. 1, the first batching device comprises a first batching bin 1, a first dragging type belt scale 2, a weighing hopper 3 and a belt feeder 4 which are sequentially arranged according to the material conveying direction.
The feed opening of first proportioning bins 1 is connected with the one end of first formula belt weigher 2 that drags. The first belt weigher 2 is a variable frequency control weigher capable of weighing, on one hand, the first belt weigher 2 has a weighing function, so that the weight of coal or silica can be accurately controlled, on the other hand, the first belt weigher 2 can control the forward conveying speed of the coal or silica through variable frequency control, further control the weight of the coal or silica conveyed to the weighing hopper 3, and finally realize accurate feeding.
The other end of the first belt scale 2 is connected with the feed inlet of the weighing hopper 3. Weighing hopper 3 includes that 3 ~ 4 groups weigh pressure head and steel construction hopper, weigh the pressure head and support the steel construction hopper. When coal or silica is input into the steel structured hopper, the weighing head can weigh the coal or silica, thereby enabling accurate weighing of the coal or silica.
First towed belt weigher 2 and 3 interlocking control of weighing hopper with the help of through the mode that first towed belt weigher 2 combines together with weighing hopper 3 to carry out the batching to coal or silica to can realize higher batching precision, it is less to environmental pollution.
The discharge opening of the weighing hopper 3 is connected to a belt feeder 4, and the coal or silica weighed by the weighing hopper 3 is conveyed to a belt conveyor 5 by the belt feeder 4, by which means the coal or silica can be uniformly fed to the belt conveyor 5.
As shown in fig. 1, the second batching device comprises a second batching bin 6, a discharging machine 7 and a second pull-type belt scale 8 which are arranged in sequence according to the material conveying direction.
The discharge hole of the second proportioning bin 6 is connected with a discharging machine 7.
As shown in FIG. 2, the discharging machine 7 is a variable frequency type inclined rotating screw center discharging machine, and comprises a screw shaft 7-1, a main shaft driving part 7-4, an upper bracket 7-6 and a slewing mechanism. The upper bracket 7-6 is fixedly connected with the second batching bin 6, and the main shaft driving part 7-4 is arranged on the outer wall of the slewing mechanism, is connected with one end of the screw shaft 7-1 and is used for driving the screw shaft 7-1 to rotate. The screw shaft 7-1 is obliquely arranged, and the other end of the screw shaft extends into the bin body of the second proportioning bin 6 through the discharge hole of the second proportioning bin 6. The spiral shaft 7-1 can be provided with spiral blades or threads, and the person skilled in the art can reasonably select the spiral blades or threads according to the needs.
When the main shaft driving part 7-4 drives the screw shaft 7-1 to rotate, the wood chips in the second proportioning bin 6 are conveyed to the second towed belt weigher 8 from the second proportioning bin 6 through the discharge hole under the action of the screw shaft 7-1, so that the discharge is more convenient and the efficiency is higher. In addition, the screw shaft 7-1 is obliquely arranged so that the falling of the wood chips is facilitated and the adhesion of the wood chips to the side wall of the second surge bin 6 can be avoided. The wood chips can be uniformly conveyed from the center of the second proportioning bin 6 to the second dragging type belt weigher 8 by means of the self-rotation of the screw shaft 7-1 which is obliquely arranged.
The swing mechanism is used for driving the screw shaft 7-1 to rotate 360 degrees in the second proportioning bin 6. As shown in fig. 2, the swing mechanism includes a swing support 7-2, a swing reduction motor 7-3, and a swing frame 7-7. The rotary supporting part 7-2 comprises an outer ring and an inner ring, transmission teeth are arranged on the outer side wall of the outer ring, a gear is arranged at the shaft end of the rotary speed reducing motor 7-3, and the gear is meshed with the transmission teeth; the outer ring of the rotary supporting part 7-2 is fixedly connected with the upper support 7-6, the inner ring of the rotary supporting part 7-2 is fixedly connected with the rotary rack 7-7, and the rotary speed reducing motor 7-3 is arranged on the outer wall of the rotary rack 7-7 and is used for rotating the rotary rack 7-7 around the axis so as to drive the screw shaft 7-1 to rotate in the second batching bin 6 for 360 degrees. By means of 360-degree rotation of the screw shaft 7-1 in the second proportioning bin 6, the screw shaft 7-1 can stir the wood chips in the second proportioning bin 6 at any angle, so that the flowability of the wood chips is increased, discharging is facilitated, and the blocking phenomenon in the second proportioning bin 6 can be prevented.
As shown in fig. 2, the upper bracket 7-6 and the revolving frame 7-7 are in the shape of an inverted cone, thereby being more beneficial to blanking.
As shown in fig. 2, the discharging machine 7 further comprises a power supply device 7-5, and the power supply device 7-5 is arranged at the bottom of the rotary frame 7-7 and is used for supplying electric energy to the spindle driving part 7-4 and the rotary speed reducing motor 7-3. The power supply device 7-5 is in a hollow annular shape, besides the power supply to the main shaft driving part 7-4 and the rotary speed reducing motor 7-3, the hollow center of the power supply device 7-5 can be used as a material making opening, and wood chips can be output from the hollow center of the power supply device 7-5, so that the structure of the discharging machine 7 is more compact.
As shown in fig. 1, the discharge port of the discharging machine 7 is connected with a second dragging type belt scale 8, and the two are controlled in an interlocking manner. Second towed belt weigher 8 is the belt weigher that variable frequency control can be weighed, and on the one hand, second towed belt weigher 8 has the function of weighing, consequently can the weight of accurate control wood chip, and on the other hand, second towed belt weigher 8 can control the forward conveying speed of wood chip through variable frequency control, and then the weight of the wood chip of control transport to belt conveyor 5, finally realizes accurate feed.
Example 2
As shown in FIG. 1, the metallic silicon smelting batching method of the embodiment 2 of the invention comprises the following steps:
step S1: a weighted blend of coal or silica.
The coal or silica is conveyed to a first proportioning bin 1 for proportioning, then is fed by a first dragging type belt scale 2, is weighed by a weighing hopper 3 and is conveyed to a belt conveyor 5 by a belt feeder 4.
Step S2: weighing type batching of the wood chips.
The wood chips are conveyed to a second proportioning bin 6 for proportioning, fed by a discharging machine 7, weighed by a second dragging type belt scale 8 and conveyed to a belt conveyor 5.
The sequence of the step S1 and the step S2 is not limited, and the step S1 and the step S2 may be performed synchronously, according to the step S1 and the step S2, or according to the step S2 and the step S1, as long as the batching requirement can be met.
In actual operation, the burden of the coal or silica and the burden of the wood chips can be determined according to the required proportioning of the coal or silica and the wood chips.
Step S3: the belt conveyor conveys the proportioned coal or silica and wood chips.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The terms "inner", "outer", "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A metal silicon smelting batching system is characterized by comprising a first batching device, a second batching device and a belt conveyor; the first batching device is used for weighing batching coal or silica, the second batching device is used for weighing batching wood chips, and the batched coal or silica and the batched wood chips are conveyed by the belt conveyor; first dosing unit includes first proportioning bins, the first belt weigher that drags formula, weighing hopper and the belt feeder that sets gradually according to material direction of delivery.
2. The silicon metal smelting batching system of claim 1, wherein the second batching device comprises a second batching bin, a discharging machine and a second dragging type belt scale which are arranged in sequence according to the material conveying direction.
3. The silicon metal smelting batching system of claim 2, wherein the first batching bin and the second batching bin are weighing batching bins, each batching bin comprises 3-4 groups of weighing pressure heads and steel structure bins, and the weighing pressure heads support the steel structure bins;
the weighing hopper comprises 3-4 groups of weighing pressure heads and a steel structure hopper, and the weighing pressure heads support the steel structure hopper.
4. The silicon metal smelting batching system of claim 2, wherein the first and second pull-type belt scales are variable frequency control weighers.
5. The metallic silicon smelting batching system of claim 2, wherein the discharging machine is a variable frequency type inclined rotating screw center discharging machine comprising a screw shaft, a main shaft driving part, an upper bracket and a swing mechanism; the upper bracket is fixedly connected with the second batching bin, the main shaft driving part is arranged on the outer wall of the slewing mechanism, is connected with one end of the screw shaft and is used for driving the screw shaft to rotate, the screw shaft is obliquely arranged, and the other end of the screw shaft extends into the bin body of the second batching bin through the discharge hole of the second batching bin; the swing mechanism is used for driving the screw shaft to rotate in the second proportioning bin for 360 degrees.
6. The silicon metal smelting batching system of claim 5, wherein the slewing mechanism comprises a slewing support, a slewing gear motor and a slewing rack, the slewing support comprises an outer ring and an inner ring, the outer side wall of the outer ring is provided with transmission teeth, the shaft end of the slewing gear motor is provided with a gear, and the gear is meshed with the transmission teeth;
the outer lane of gyration supporting part with upper bracket fixed connection, the inner circle that the gyration was supported with gyration frame fixed connection, gyration gear motor sets up on the outer wall of gyration frame, thereby be used for the drive thereby the gyration frame is around the axis rotation drive the screw axis is in 360 degrees rotations in the second proportioning bins.
7. The silicon metal smelting batching system of claim 6, wherein said upper bracket and said rotating frame are both in the shape of an inverted cone.
8. The metallic silicon smelting batching system of claim 6 or 7, further comprising a power supply device arranged at the bottom of said rotating frame for providing electric energy to said main shaft driving part and said rotating speed reduction motor.
9. The silicon metal smelting batching system of claim 4, wherein the first pull-type belt scale is in interlocking control with the weighing hopper, and the second pull-type belt scale is in interlocking control with the discharging machine.
10. A metallic silicon smelting batching method is characterized in that the metallic silicon smelting batching system of any one of claims 1 to 9 is used, and comprises the following steps:
step S1: the coal or silica proportioned by the first proportioning bin is fed by a first towed belt scale and weighed by a weighing hopper, and then is conveyed to a belt conveyor by a belt feeder;
step S2: feeding the wood chips proportioned by the second proportioning bin by a discharging machine, weighing by a second towed belt scale, and conveying to a belt conveyor;
step S3: the belt conveyor conveys the proportioned coal or silica and wood chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210009003.6A CN114212793A (en) | 2022-01-05 | 2022-01-05 | Metal silicon smelting batching system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210009003.6A CN114212793A (en) | 2022-01-05 | 2022-01-05 | Metal silicon smelting batching system and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2387957C1 (en) * | 2008-09-01 | 2010-04-27 | ЗАКРЫТОЕ АКЦИОНЕРНОЕ ОБЩЕСТВО "Бизнес Контрол" | Belt-conveyor weigher |
| CN103966430A (en) * | 2014-05-29 | 2014-08-06 | 中冶北方（大连）工程技术有限公司 | Ferrous metallurgy pellet iron-containing raw material preprocessing and dosing system |
| CN208091213U (en) * | 2018-02-24 | 2018-11-13 | 宁夏天元锰业有限公司 | A kind of automatical feeding system of broken manganese melting |
| CN214553117U (en) * | 2020-12-23 | 2021-11-02 | 中卫市胜金北拓建材有限公司 | Ferrosilicon raw material batching device |
| CN214652127U (en) * | 2020-12-23 | 2021-11-09 | 苏州市协力环保设备有限公司 | Discharge mechanism feed bin convenient to equipment maintenance |
-
2022
- 2022-01-05 CN CN202210009003.6A patent/CN114212793A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2387957C1 (en) * | 2008-09-01 | 2010-04-27 | ЗАКРЫТОЕ АКЦИОНЕРНОЕ ОБЩЕСТВО "Бизнес Контрол" | Belt-conveyor weigher |
| CN103966430A (en) * | 2014-05-29 | 2014-08-06 | 中冶北方（大连）工程技术有限公司 | Ferrous metallurgy pellet iron-containing raw material preprocessing and dosing system |
| CN208091213U (en) * | 2018-02-24 | 2018-11-13 | 宁夏天元锰业有限公司 | A kind of automatical feeding system of broken manganese melting |
| CN214553117U (en) * | 2020-12-23 | 2021-11-02 | 中卫市胜金北拓建材有限公司 | Ferrosilicon raw material batching device |
| CN214652127U (en) * | 2020-12-23 | 2021-11-09 | 苏州市协力环保设备有限公司 | Discharge mechanism feed bin convenient to equipment maintenance |
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