CN117781684A - Device for producing high-purity metal chromium by using electric arc furnace - Google Patents
Device for producing high-purity metal chromium by using electric arc furnace Download PDFInfo
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- CN117781684A CN117781684A CN202311825252.3A CN202311825252A CN117781684A CN 117781684 A CN117781684 A CN 117781684A CN 202311825252 A CN202311825252 A CN 202311825252A CN 117781684 A CN117781684 A CN 117781684A
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 51
- 239000002184 metal Substances 0.000 title claims abstract description 51
- 238000010891 electric arc Methods 0.000 title claims abstract description 41
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 11
- 239000011651 chromium Substances 0.000 title claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 55
- 238000007599 discharging Methods 0.000 claims abstract description 21
- 230000033001 locomotion Effects 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 description 11
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- 239000007789 gas Substances 0.000 description 7
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- 230000009471 action Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
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- 230000007246 mechanism Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010314 arc-melting process Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 239000003832 thermite Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention provides a device for producing high-purity metal chromium by using an electric arc furnace, which comprises a fixed seat, wherein a rotary driving part a is arranged on the fixed seat, a connecting frame is arranged at the output end of the rotary driving part a, a furnace shell is arranged on the connecting frame, a feed inlet is formed in one end of the furnace shell, a discharge outlet is formed in the other end of the furnace shell, a fixed frame is arranged beside the fixed seat, a circular ring is arranged on the fixed frame, two ends of the furnace shell are arc-shaped, two ends of the furnace shell are attached to the inner surface wall of the circular ring, an electric arc unit is arranged on the furnace shell, and a feed unit, a discharge unit and a salvaging unit are arranged on the circular ring. According to the invention, the raw materials are discharged into the furnace shell through the feeding unit, the raw materials are melted into the molten metal through the electric arc unit, the scum on the molten metal is salvaged by the salvaging unit, the molten metal in the furnace shell is discharged by the discharging unit, the operation is simple, the feeding and discharging of the furnace shell are convenient, and the furnace shell can be produced in a large scale.
Description
Technical Field
The invention relates to the technical field of metal production, in particular to a device for producing high-purity metal chromium by using an electric arc furnace.
Background
The metal chromium is an important industrial basic raw material, is widely applied to the fields of hard alloy, high-temperature alloy, aluminum alloy, special alloy, welding electrode, surface treatment, thermal spraying and the like, and the traditional metal chromium production process mainly comprises the following steps: electrolytic, thermite, and carbon reduction methods, arc furnace melting is a process of melting a raw material (molten metal) by using heat generated by an arc generated between a graphite electrode and the raw material.
The Chinese patent application number 2023204493252 discloses an electric arc furnace for smelting, which comprises a base, a vacuum electric arc furnace and a fixed plate, wherein the vacuum electric arc furnace is fixedly arranged on the upper surface of the fixed plate, a storage box is welded on the upper surface of the fixed plate, a damping structure is arranged between the base and the fixed plate, and a supporting mechanism is arranged on the side wall of the base; the damping structure comprises a mounting block and a damping shock absorber, and the supporting mechanism comprises a mounting box fixedly mounted on the side wall of the base, a telescopic cylinder fixedly mounted on the inner top wall of the mounting box and a supporting disc fixedly mounted on the output end of the telescopic cylinder.
When the electric arc furnace is used for smelting metal, raw materials are required to be poured into the electric arc furnace manually, after the raw materials are melted into molten metal, the molten metal in the electric arc furnace is difficult to discharge, so that feeding and discharging of the electric arc furnace equipment are inconvenient, and mass production is difficult.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a device for producing high-purity metal chromium by using an electric arc furnace, which is characterized in that raw materials are discharged into a furnace shell through a feeding unit, the raw materials are melted into molten metal through an electric arc unit, scum on the molten metal is salvaged by a salvaging unit, the molten metal in the furnace shell is discharged through a discharging unit, the operation is simple, the feeding and discharging of the furnace shell are convenient, and the device can be used for mass production.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the device for producing the high-purity metal chromium by using the electric arc furnace comprises a fixed seat, wherein a rotary driving piece a is arranged on the fixed seat, a connecting frame is arranged at the output end of the rotary driving piece a, a furnace shell is arranged on the connecting frame, a feed inlet is formed in one end of the furnace shell, a discharge outlet is formed in the other end of the furnace shell, a fixed frame is arranged beside the fixed seat, a circular ring is arranged on the fixed frame, two ends of the furnace shell are arc-shaped, and two ends of the furnace shell are attached to the inner surface wall of the circular ring;
further, an electric arc unit is arranged on the furnace shell, and a feeding unit, a discharging unit and a salvaging unit are arranged on the circular ring; the feeding unit discharges raw materials into the furnace shell, the electric arc unit melts the raw materials into molten metal, the salvaging unit salvages scum on the molten metal, and the discharging unit discharges the molten metal in the furnace shell.
Further, the arc unit includes: the arc-shaped annular grooves are formed in the top of the furnace shell; the flexible ring is arranged in the arc-shaped ring groove in a sliding manner; the fixed block is arranged on the flexible ring, and a sliding groove is formed in the fixed block; the sliding block is arranged in the sliding groove in a sliding manner; the driving assembly a drives the flexible ring to slide in the arc-shaped ring groove and drives the sliding block to slide in the sliding groove; and the arc assembly is arranged at the bottom of the sliding block.
Further, the arc assembly includes: the rotating rod a is rotatably arranged at the bottom of the sliding block; the arc-shaped block is arranged on the rotating rod a; an arc rod a, a plurality of arc rods a are arranged on one arc-shaped block; an arc rod b, a plurality of arc rods b are installed on another arc block; and the driving component b drives the rotating rod a to rotate.
Further, the driving assembly a includes: the fixing plates a are symmetrically arranged on two sides of the furnace shell; a linear driving piece a, wherein the linear driving piece a is arranged on the fixed plate a; the moving plate a is arranged at the output end of the linear driving piece a; the linear driving piece b is arranged on the moving plate a; and the lifting plate is arranged at the output end of the linear driving part b and is connected with the top of the sliding block.
Further, the driving assembly b includes: the mounting groove is formed in the sliding block; a plurality of rotating shafts b mounted in the mounting grooves; a gear a mounted on the rotating rod a; a gear b mounted on the rotation shaft b, a plurality of the gears b being engaged, the gear a being engaged with the gear b at the bottom; a rotation driving piece b mounted above the lifting plate; and a gear c is arranged at the output end of the rotary driving piece b, and the gear c is meshed with the gear b at the top.
Further, the feeding unit includes: the square ring is arranged on the circular ring; the inclined plate is arranged on the square ring; a motion driving piece a, wherein the motion driving piece a is arranged on the sloping plate; the box body is arranged at the output end of the motion driving piece a; an L-shaped frame mounted on the sloping plate; a movement driving member b mounted on the L-shaped frame; the motion plate b is arranged at the output end of the motion driving piece b; the pressing strips are arranged at the bottom of the moving plate b; and the feeding assembly is arranged on the L-shaped frame.
Further, the discharging unit includes: the discharge pipe is arranged at the inclined bottom of the circular ring; the collecting box is arranged at the lower part of the circular ring; the sliding ring is arranged on the furnace shell and is rotationally arranged in the circular ring; the salvaging unit is the electric arc unit and further comprises an atmosphere protection unit, and the atmosphere protection unit drives the furnace shell to be filled with rare gas.
Further, the pan feeding subassembly includes: the square frame is arranged on the L-shaped frame, and a bottom groove is formed in the bottom of the square frame; the feeding pipe is arranged on the square frame; the linear driving piece j is arranged at the bottom of the feeding pipe; and the closing plate a is arranged at the output end of the linear driving piece j.
Further, the atmosphere protection unit includes: the linear driving piece d is arranged on the square ring, and a sliding groove is formed in the square ring; the sealing plate b is arranged at the output end of the linear driving piece d, and slides in the sliding groove; a rotating shaft a, wherein the two rotating shafts a are rotatably arranged on the sloping plate; a baffle plate mounted on the rotation shaft a; the rotating rods are rotatably arranged at the bottoms of the sloping plates; the gear f is arranged on the rotating rod, and the two gears f are meshed; the installation frame is installed at the bottom of the inclined plate; the rotary driving piece q is arranged on the mounting frame and drives one of the rotating rods to rotate; and the rotating shaft a is in transmission connection with the rotating rod through the belt.
Further, the box is installed below the inclined plate, the box is communicated with the square ring through a pipeline a, the box is communicated with the baffle through a pipeline b, a valve is installed on the pipeline a and the pipeline b, and rare gas is arranged in the box and the furnace shell.
The invention has the beneficial effects that:
(1) According to the invention, the raw materials are discharged into the furnace shell through the feeding unit, the raw materials are melted into the molten metal through the electric arc unit, the scum on the molten metal is salvaged through the salvaging unit, the molten metal in the furnace shell is discharged through the discharging unit, the operation is simple, the feeding and discharging of the furnace shell are convenient, and the furnace shell can be produced in a large scale.
(2) According to the invention, the plurality of press bars are arranged at intervals so as to be convenient for discharging air of raw materials when the press bars are pressed, the motion driving piece b drives the press bars to press for the first time, then drives the press bars to rotate for 90 degrees and press for the second time, then drives the press bars to rotate for 180 degrees and press for the third time, then drives the press bars to rotate for 270 degrees and press for the fourth time, and each time is one cycle, so that the raw materials in the box body can be compacted in a full area, and the air discharging effect in the raw materials is enhanced.
(3) According to the invention, the box body is driven by the motion driving piece a to move along the square ring, passes through the feeding hole and then enters the furnace shell, the motion driving piece a drives the box body to rotate downwards, raw materials in the box body fall into the furnace shell under the action of gravity, the box body can be driven by the motion driving piece a to rotate, and centrifugal force generated by rotation drives the raw materials in the box body to drop into the furnace shell.
(4) According to the invention, the gear c is driven to rotate by the rotary driving piece b, the gear a is driven to rotate by the gears b, the rotary rod a is driven to rotate, the arc-shaped block, the arc rod a and the arc rod b are driven to synchronously rotate, raw materials can be stirred, the arc melting efficiency is enhanced, and meanwhile, the arc-shaped block, the arc rod a and the arc rod b are driven by the linear driving piece a to move along the horizontal direction, so that the stirring range is enlarged.
(5) According to the invention, the gear c is driven to rotate by the rotary driving piece b, the gear a is driven to rotate by the gears b, the rotary rod a is driven to rotate, the arc-shaped block, the arc rod a and the arc rod b are driven to rotate to an inclined state, at the moment, the arc-shaped block, the arc rod a and the arc rod b are driven to move along the arrow direction, molten metal flows out from gaps between the arc rod a and the arc rod b, and scum falls into the electric arc rods a and b, so that scum on the surface of the molten metal is salvaged, and the purity of the metal is improved.
Drawings
FIG. 1 is a schematic view of a first overall structure of the present invention;
FIG. 2 is a schematic diagram of a second overall structure of the present invention;
FIG. 3 is a schematic view of the furnace shell structure of the present invention;
FIG. 4 is a schematic view of a slip ring according to the present invention;
FIG. 5 is a schematic view of the flexible ring structure of the present invention;
FIG. 6 is a schematic diagram of an arc unit according to the present invention;
FIG. 7 is a schematic view of the structure of an arc rod a and an arc rod b according to the present invention;
FIG. 8 is an enlarged schematic view of the invention at A in FIG. 6;
FIG. 9 is a schematic view of a driving assembly b according to the present invention;
FIG. 10 is a schematic view of the structure of the feeding unit of the present invention;
FIG. 11 is a schematic view of the structure of the press bar of the present invention;
FIG. 12 is a schematic view of a feeding assembly according to the present invention;
FIG. 13 is a schematic view of part structures of an atmosphere protection unit according to the present invention;
FIG. 14 is a schematic view of a discharge unit according to the present invention;
FIG. 15 is a schematic view of the arc block, arc rod a, arc rod b configuration of the present invention;
FIG. 16 is a schematic view showing four states of the molding press of the present invention;
FIG. 17 is a schematic view of the fishing state of the present invention.
Reference numerals
100. A fixing seat; 101. a rotary driving member a; 102. a furnace housing; 103. a feed inlet; 104. a discharge port; 105. a fixing frame; 106. a circular ring; 107. arc ring groove; 108. a connecting frame; 2. an arc unit; 201. a flexible ring; 202. a fixed block; 2021. a chute; 203. a slide block; 2031. a mounting groove; 21. a driving assembly a; 211. a fixed plate a; 212. a linear driving member a; 213. a motion plate a; 214. a linear driving member b; 215. a lifting plate; 22. an arc assembly; 221. a rotating rod a; 222. an arc-shaped block; 223. an arc rod a; 224. an arc rod b; 23. a drive assembly b; 231. a rotation shaft b; 232. a gear a; 233. a gear b; 234. a rotary driving member b; 235. a gear c; 3. a feeding unit; 301. a square ring; 3011. a sliding groove; 302. a sloping plate; 303. a motion driving member a; 304. a case body; 305. an L-shaped frame; 306. a movement driving member b; 307. a moving plate b; 308. pressing strips; 31. a feeding assembly; 311. a block; 3111. a bottom groove; 312. a feeding pipe; 313. a linear driving member j; 314. a closing plate a; 4. a discharging unit; 401. a discharge pipe; 402. a collection box; 403. a slip ring; 5. a salvaging unit; 6. an atmosphere protection unit; 600. a baffle; 601. a linear driving member d; 602. a closing plate b; 603. a rotation shaft a; 604. a rotating lever; 605. a gear f; 606. a mounting frame; 607. a rotary driving member q; 608. a belt; 609. a case; 610. a pipeline a; 611. and a pipeline b.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
As shown in fig. 1-17, the embodiment provides a device for producing high-purity chromium by using an arc furnace, which comprises a fixed seat 100, wherein a rotary driving piece a101 is installed on the fixed seat 100, a connecting frame 108 is installed at the output end of the rotary driving piece a101, a furnace shell 102 is installed on the connecting frame 108, a feed inlet 103 is formed at one end of the furnace shell 102, a discharge hole 104 is formed at the other end of the furnace shell 102, a fixed frame 105 is arranged beside the fixed seat 100, a circular ring 106 is installed on the fixed frame 105, the two ends of the furnace shell 102 are arc-shaped, the two ends of the furnace shell 102 are attached to the inner surface wall of the circular ring 106, and heat insulation cotton is arranged on the furnace shell 102; this embodiment may also be referred to as: an electric arc furnace device for producing high-purity metal chromium;
an electric arc unit 2 is arranged on the furnace shell 102, and a feeding unit 3, a discharging unit 4 and a salvaging unit 5 are arranged on the circular ring 106; the feeding unit 3 discharges raw materials into the furnace shell 102, the electric arc unit 2 melts the raw materials into molten metal, the salvaging unit 5 salvages scum on the molten metal, and the discharging unit 4 discharges the molten metal in the furnace shell 102.
As shown in fig. 10 to 12, the feeding unit 3 includes: square ring 301, square ring 301 is mounted on circular ring 106; a swash plate 302, the swash plate 302 being mounted on the square ring 301; a movement driving member a303, the movement driving member a303 being mounted on the swash plate 302; the box body 304, the box body 304 is installed at the output end of the motion driving piece a 303; an L-shaped frame 305, the L-shaped frame 305 being mounted on the inclined plate 302; a movement driving member b306, the movement driving member b306 being mounted on the L-shaped frame 305; a moving plate b307, wherein the moving plate b307 is arranged at the output end of the moving driving piece b 306; a plurality of pressing bars 308, wherein the pressing bars 308 are arranged at the bottom of the moving plate b 307; the feeding assembly 31, the feeding assembly 31 is installed on the L-shaped frame 305, the moving driving piece a303 can drive the box body 304 to move linearly, the box body 304 can also be driven to rotate, the moving driving piece a303 is preferably a combination of an air cylinder and a motor, the moving driving piece b306 can drive the moving plate b307 to move downwards, the moving plate b307 can also be driven to rotate, and the moving driving piece b306 is preferably a combination of the air cylinder and the motor.
As shown in fig. 10 to 12, the feeding assembly 31 includes: the frame 311, the frame 311 is installed on the L-shaped frame 305, and a bottom groove 3111 is formed at the bottom of the frame 311; a feeding pipe 312, wherein the feeding pipe 312 is arranged on the block 311; the linear driving piece j313, the linear driving piece j313 is arranged at the bottom of the feeding pipe 312; closing plate a 314. Closing plate a314 is mounted at the output of linear drive j 313.
In this embodiment, the moving driving member a303 drives the box body 304 to move to the bottom of the box 311 along the inclined plate 302, and discharges the raw material into the material pipe 312, and the raw material falls into the box body 304 after entering the box 311 along the material pipe 312;
the moving plate b307 is driven to move downwards by the moving driving piece b306 to drive the pressing strips 308 to compact the raw materials in the box body 304, and air in the raw materials is pressed out, so that the purpose of compacting is to discharge the air in the raw materials as much as possible, the air in the raw materials is prevented from entering the furnace shell 102, the oxygen content in the furnace shell 102 is reduced, and the oxidation of molten metal caused by excessive oxygen is avoided;
it should be noted that: the air of raw materials is discharged when the plurality of pressing bars 308 are arranged at intervals, after the moving driving piece b306 drives the pressing bars 308 to press for the first time, the pressing bars 308 are driven to rotate for 90 degrees and then press for the second time, then the pressing bars 308 are driven to rotate for 180 degrees and then press for the third time, then the pressing bars 308 are driven to rotate for 270 degrees and then press for the fourth time, and each time is a cycle, the raw materials in the box body 304 can be compacted in a whole area, and the air exhaust effect in the raw materials is enhanced.
As shown in fig. 10 and 13, the present embodiment further includes an atmosphere protection unit 6, the atmosphere protection unit 6 drives the furnace housing 102 to be filled with rare gas, and the atmosphere protection unit 6 includes: the linear driving piece d601, the linear driving piece d601 is arranged on the square ring 301, and a sliding groove 3011 is formed in the square ring 301; a closing plate b602, wherein the closing plate b602 is arranged at the output end of the linear driving piece d601, and the closing plate b602 slides in the sliding groove 3011; a rotation shaft a603, the two rotation shafts a603 being rotatably provided on the swash plate 302; a baffle 600, the baffle 600 being mounted on the rotation shaft a 603; a rotating rod 604, wherein the two rotating rods 604 are rotatably arranged at the bottom of the sloping plate 302; a gear f605, the gear f605 is mounted on the rotating rod 604, and the two gears f605 are meshed; the installation frame 606, the installation frame 606 is installed at the bottom of the inclined plate 302; a rotation driving member q607, the rotation driving member q607 being mounted on the mounting frame 606, the rotation driving member q607 driving one of the rotation levers 604 to rotate; a belt 608, the rotation shaft a603 is connected with the rotation rod 604 in a transmission way through the belt 608;
a box body 609 is arranged below the inclined plate 302, the box body 609 is communicated with the square ring 301 through a pipeline a610, the box body 609 is communicated with the baffle 600 through a pipeline b611, valves are arranged on the pipeline a610 and the pipeline b611, and rare gas is arranged in the box body 609 and the furnace shell 102.
It should be noted that: the two baffles 600 and the closing plate b602 can close the inside of the square ring 301 to reduce the leakage of rare gas in the furnace shell 102 during feeding, and the outside of the box 609 is connected with a rare gas source (not shown in the figure, conventional technical means are not described in detail here) to timely supplement the rare gas into the furnace shell 102.
In this embodiment, the linear driving member j313 drives the sealing plate a314 to insert into the bottom slot 3111 (for separating the raw materials inside the square frame 311), the moving driving member a303 drives the box body 304 to move into the square ring 301 to contact with the sealing plate b602, the rotating driving member q607 drives the two rotating rods 604 to rotate reversely, and the belt 608 drives the rotating shaft a603 to rotate, so as to drive the two baffles 600 to rotate inwards to seal the top port of the square ring 301; at this time, the linear driving piece d601 drives the closing plate b602 to move upwards along the sliding groove 3011, so as to open the inside of the square ring 301;
the rotary driving piece a101 drives the connecting frame 108 to rotate and drives the furnace shell 102 to rotate to an inclined state, and the feed port 103 corresponds to the square ring 301 in position;
the box body 304 is driven by the moving driving piece a303 to move along the square ring 301, passes through the feeding hole 103 and then enters the furnace shell 102, the box body 304 is driven by the moving driving piece a303 to rotate downwards, raw materials in the box body 304 fall into the furnace shell 102 under the action of gravity, the box body 304 can be driven by the moving driving piece a303 to rotate, and the raw materials in the box body 304 are driven by centrifugal force generated by rotation to fall into the furnace shell 102.
As shown in fig. 3 to 7, the arc unit 2 includes: arc ring grooves 107, two arc ring grooves 107 are arranged on the top of the furnace shell 102; the flexible ring 201, the flexible ring 201 is slidably arranged in the arc-shaped ring groove 107; the fixed block 202, the fixed block 202 is mounted on the flexible ring 201, and a chute 2021 is formed in the fixed block 202; a slider 203, wherein the slider 203 is slidably disposed in the chute 2021; the driving assembly a21, the driving assembly a21 drives the flexible ring 201 to slide in the arc-shaped ring groove 107 and the driving sliding block 203 to slide in the sliding groove 2021; the arc assembly 22, the arc assembly 22 is installed in the bottom of the slider 203, and the bottom of the flexible ring 201 is provided with heat insulation cotton.
As shown in fig. 6, the driving assembly a21 includes: the fixed plates a211, the two fixed plates a211 are symmetrically arranged at two sides of the furnace shell 102; a linear driving member a212, the linear driving member a212 being mounted on the fixing plate a 211; a moving plate a213, wherein the moving plate a213 is arranged at the output end of the linear driving piece a 212; a linear driving member b214, the linear driving member b214 being mounted on the moving plate a 213; and the lifting plate 215, wherein the lifting plate 215 is arranged at the output end of the linear driving piece b214, and the lifting plate 215 is connected with the top of the sliding block 203.
As shown in fig. 6 and 7, the arc assembly 22 includes: a rotating rod a221, wherein the rotating rod a221 is rotatably arranged at the bottom of the sliding block 203; an arc block 222, the arc block 222 being mounted on the rotating rod a 221; an arc rod a223, a plurality of arc rods a223 being mounted on one of the arc blocks 222; an arc rod b224, a plurality of arc rods b224 being mounted on another arc block 222; and the driving component b23, wherein the driving component b23 drives the rotating rod a221 to rotate.
As shown in fig. 8 and 9, the driving assembly b23 includes: the installation groove 2031, the installation groove 2031 is opened in the slider 203; a rotation shaft b231, a plurality of rotation shafts b231 being mounted in the mounting groove 2031; a gear a232, the gear a232 being mounted on the rotating rod a 221; a gear b233, the gear b233 is mounted on the rotation shaft b231, a plurality of gears b233 are engaged, and the gear a232 is engaged with the gear b233 at the bottom; a rotation driving member b234, the rotation driving member b234 being installed above the elevation plate 215; gear c235, gear c235 is mounted at the output end of rotary drive b234, gear c235 meshing with gear b233 at the top.
In this embodiment, the rotary driving member a101 drives the connecting frame 108 to rotate, so as to drive the furnace housing 102 to rotate to a horizontal state, and the linear driving member b214 drives the sliding block 203 to move downwards along the sliding groove 2021, so as to drive the arc rod a223 and the arc rod b224 to move downwards to contact with the raw materials, and the arc rod a223 and the arc rod b224 are electrified, so that an electric arc is generated between the arc rod a223 and the arc rod b224 to melt the raw materials into molten metal;
regarding the power supply of the arc rods a223, b 224: by providing an electric wire (not shown in the drawings, and not described in detail here) outside to contact the slider 203, the current reaches the arc rod a223 and the arc rod b224 from the slider 203, the rotating rod a221, and the arc block 222, and it is to be noted that: the materials of the sliding block 203, the rotating rod a221 and the arc-shaped block 222 are preferably tungsten, so that the arc-shaped block can resist high temperature, and the materials of the arc rod a223 and the arc rod b224 are preferably graphite;
in this embodiment, the gear c235 is driven to rotate by the rotary driving member b234, the gear a232 is driven to rotate by the plurality of gears b233, the rotary rod a221 is driven to rotate, the arc-shaped block 222, the arc rod a223 and the arc rod b224 are driven to synchronously rotate, raw materials can be stirred, the arc melting efficiency is enhanced, and meanwhile, the arc-shaped block 222, the arc rod a223 and the arc rod b224 are driven by the linear driving member a212 to move along the horizontal direction, so that the stirring range is enlarged;
in this embodiment, the fishing unit 5 is an arc unit 2, as shown in fig. 15, an arc rod a223 and an arc rod b224 are disposed on an arc block 222 at intervals, a gap is formed between the arc rod a223 and the arc rod b224, a gear c235 is driven to rotate by a rotation driving member b234, a gear a232 is driven to rotate by a plurality of gears b233, a rotating rod a221 is driven to rotate, the arc block 222, the arc rod a223 and the arc rod b224 are driven to rotate to an inclined state (as shown in fig. 17, the arc block 222, the arc rod a223 and the arc rod b224 are located in molten metal), at this time, the arc block 222, the arc rod a223 and the arc rod b224 are driven to move along the arrow direction, molten metal flows out from the gap between the arc rod a223 and the arc rod b224, and dross falls into the inside the arc rods a223 and the arc rod b224, and then the dross on the surface of the molten metal is driven to improve the purity of the metal.
Example two
As shown in fig. 4 and 14, wherein the same or corresponding parts as those in the first embodiment are denoted by the corresponding reference numerals as in the first embodiment, only the points of distinction from the first embodiment will be described below for the sake of brevity. The second embodiment is different from the first embodiment in that:
as shown in fig. 4 and 14, the discharging unit 4 includes: a discharge pipe 401, the discharge pipe 401 being mounted on the inclined bottom of the circular ring 106; a collection box 402, the collection box 402 being mounted to the lower portion of the ring 106; the sliding ring 403, the sliding ring 403 is installed on the furnace shell 102, the sliding ring 403 is rotatably arranged in the circular ring 106.
In this embodiment, the rotary driving member a101 drives the connecting frame 108 to rotate to drive the furnace shell 102 to rotate to an inclined state, and at this time, the discharge port 104 corresponds to the position of the discharge pipe 401, the molten metal in the furnace shell 102 is discharged through the discharge pipe 401, and the discharged molten metal is cooled to obtain a metal block;
the rotary driving piece a101 drives the connecting frame 108 to rotate to drive the furnace shell 102 to rotate to a vertical state, at the moment, the discharge hole 104 corresponds to the position of the collecting box 402, the rotary rod a221 is driven to rotate to drive the arc-shaped block 222, the arc rod a223 and the arc rod b224 to rotate downwards, under the action of gravity, the scum falling into the inside of the arc rods a223 and b224 falls into the collecting box 402, and the components of raw materials are in the prior art and are not described in detail herein.
Working procedure
Step one, feeding procedure: the moving driving piece a303 drives the box body 304 to move to the bottom of the block 311 along the inclined plate 302, raw materials are discharged into a material pipe 312, and the raw materials fall into the box body 304 after entering the block 311 along the material pipe 312;
step two, compacting procedure: the moving plate b307 is driven to move downwards by the moving driving piece b306 to drive the pressing strips 308 to compact the raw materials in the box body 304, and air in the raw materials is pressed out, so that the purpose of compacting is to discharge the air in the raw materials as much as possible, the air in the raw materials is prevented from entering the furnace shell 102, the oxygen content in the furnace shell 102 is reduced, and the oxidation of molten metal caused by excessive oxygen is avoided;
it should be noted that: the plurality of press bars 308 are arranged at intervals so as to be convenient for discharging air of raw materials when the raw materials are pressed, the motion driving piece b306 drives the press bars 308 to press for the first time, drives the press bars 308 to rotate for 90 degrees and then press for the second time, then drives the press bars 308 to rotate for 180 degrees and then press for the third time, then drives the press bars 308 to rotate for 270 degrees and press for the fourth time, and each time is a cycle, the raw materials in the box body 304 can be compacted in a whole area, and the air discharging effect in the raw materials is enhanced;
step three, feeding procedure: the linear driving piece j313 drives the sealing plate a314 to be inserted into the bottom groove 3111 (raw materials in the square ring 311 are blocked), the moving driving piece a303 drives the box body 304 to move into the square ring 301 to be in contact with the sealing plate b602, the rotating driving piece q607 drives the two rotating rods 604 to reversely rotate, the belt 608 drives the rotating shaft a603 to rotate, and the two baffles 600 are driven to inwards rotate to seal the top port of the square ring 301; at this time, the linear driving piece d601 drives the closing plate b602 to move upwards along the sliding groove 3011, so as to open the inside of the square ring 301;
the rotary driving piece a101 drives the connecting frame 108 to rotate and drives the furnace shell 102 to rotate to an inclined state, and the feed port 103 corresponds to the square ring 301 in position;
the box body 304 is driven by the moving driving piece a303 to move along the square ring 301, passes through the feeding hole 103 and then enters the furnace shell 102, the box body 304 is driven by the moving driving piece a303 to rotate downwards, raw materials in the box body 304 fall into the furnace shell 102 under the action of gravity, the box body 304 can be driven by the moving driving piece a303 to rotate, and the raw materials in the box body 304 are driven by centrifugal force generated by rotation to fall into the furnace shell 102;
step four, arc melting process: the rotary driving piece a101 drives the connecting frame 108 to rotate so as to drive the furnace shell 102 to rotate to a horizontal state, the linear driving piece b214 drives the sliding block 203 to move downwards along the sliding groove 2021 so as to drive the arc rod a223 and the arc rod b224 to move downwards to contact with the raw materials, and the arc rod a223 and the arc rod b224 are electrified so as to generate an electric arc between the arc rod a223 and the arc rod b224 to melt the raw materials into molten metal;
step five, stirring process: the gear c235 is driven to rotate by the rotary driving piece b234, the gear a232 is driven to rotate by the plurality of gears b233, the rotary rod a221 is driven to rotate, the arc-shaped block 222, the arc rod a223 and the arc rod b224 are driven to synchronously rotate, raw materials can be stirred, arc melting efficiency is enhanced, meanwhile, the arc-shaped block 222, the arc rod a223 and the arc rod b224 are driven by the linear driving piece a212 to move along the horizontal direction, and the stirring range is enlarged;
step six, salvaging: as shown in fig. 15, the arc rod a223 and the arc rod b224 are arranged on the arc block 222 at intervals, a gap is formed between the arc rod a223 and the arc rod b224, the gear c235 is driven to rotate by the rotary driving piece b234, the gear a232 is driven to rotate by the plurality of gears b233, the rotary rod a221 is driven to rotate, the arc block 222, the arc rod a223 and the arc rod b224 are driven to rotate to an inclined state (as shown in fig. 17, the arc block 222, the arc rod a223 and the arc rod b224 are positioned in molten metal), at this time, the arc block 222, the arc rod a223 and the arc rod b224 are driven to move along the arrow direction, molten metal flows out from the gap between the arc rod a223 and the arc rod b224, and scum falls into the inside the plurality of the arc rods a223 and the arc rod b224, so that scum on the surface of the molten metal is fished;
step seven, discharging procedure: the rotary driving piece a101 drives the connecting frame 108 to rotate and drives the furnace shell 102 to rotate to an inclined state, at the moment, the discharge hole 104 corresponds to the position of the discharge pipe 401, and molten metal in the furnace shell 102 is discharged through the discharge pipe 401;
the rotary driving piece a101 drives the connecting frame 108 to rotate to drive the furnace shell 102 to rotate to a vertical state, at the moment, the discharge hole 104 corresponds to the position of the collecting box 402, the rotary rod a221 is driven to rotate to drive the arc-shaped block 222, the arc rod a223 and the arc rod b224 to rotate downwards, and under the action of gravity, the scum falling into the plurality of arc rods a223 and the arc rod b224 falls into the collecting box 402.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The utility model provides an utilize electric arc furnace to produce high-purity metal chromium device, includes fixing base (100), its characterized in that, install rotary driving piece a (101) on fixing base (100), rotary driving piece a (101) output is installed link (108), install stove casing (102) on link (108), feed inlet (103) have been seted up to stove casing (102) one end, discharge gate (104) have been seted up to stove casing (102) other end, fixing base (100) are equipped with mount (105) by one side, install ring (106) on mount (105), stove casing (102) both ends are convex, the both ends of stove casing (102) with the laminating of ring (106) interior surface wall;
an electric arc unit (2) is arranged on the furnace shell (102), and a feeding unit (3), a discharging unit (4) and a salvaging unit (5) are arranged on the circular ring (106); the feeding unit (3) discharges raw materials into the furnace shell (102), the electric arc unit (2) melts the raw materials into molten metal, the salvaging unit (5) salvages scum on the molten metal, and the discharging unit (4) discharges the molten metal in the furnace shell (102).
2. An apparatus for producing high purity chromium metal using an electric arc furnace according to claim 1, wherein said electric arc unit (2) comprises:
arc ring grooves (107), wherein two arc ring grooves (107) are arranged at the top of the furnace shell (102);
the flexible ring (201) is arranged in the arc-shaped ring groove (107) in a sliding manner, and the flexible ring (201) is arranged in the arc-shaped ring groove (107) in a sliding manner;
the fixing block (202), the fixing block (202) is arranged on the flexible ring (201), and a sliding groove (2021) is formed in the fixing block (202);
a slider (203), wherein the slider (203) is slidably arranged in the chute (2021);
a driving assembly a (21), wherein the driving assembly a (21) drives the flexible ring (201) to slide in the arc-shaped annular groove (107) and drives the sliding block (203) to slide in the sliding groove (2021);
-an arc assembly (22), said arc assembly (22) being mounted to the bottom of said slider (203).
3. An apparatus for producing high purity chromium metal using an electric arc furnace according to claim 2 wherein said electric arc assembly (22) comprises:
a rotating rod a (221), wherein the rotating rod a (221) is rotatably arranged at the bottom of the sliding block (203);
an arc-shaped block (222), the arc-shaped block (222) being mounted on the rotating rod a (221);
an arc rod a (223), wherein a plurality of arc rods a (223) are installed on one arc block (222);
an arc rod b (224), a plurality of the arc rods b (224) being mounted on another of the arc blocks (222);
and the driving assembly b (23), wherein the driving assembly b (23) drives the rotating rod a (221) to rotate.
4. A plant for producing high purity chromium metal using an electric arc furnace according to claim 3, wherein said driving assembly a (21) comprises:
the fixing plates a (211), the two fixing plates a (211) are symmetrically arranged at two sides of the furnace shell (102);
a linear driving member a (212), the linear driving member a (212) being mounted on the fixed plate a (211);
a motion plate a (213), wherein the motion plate a (213) is arranged at the output end of the linear driving piece a (212);
a linear driving member b (214), the linear driving member b (214) being mounted on the moving plate a (213);
and the lifting plate (215), the lifting plate (215) is arranged at the output end of the linear driving piece b (214), and the lifting plate (215) is connected with the top of the sliding block (203).
5. An apparatus for producing high purity chromium metal using an electric arc furnace according to claim 4 wherein said drive assembly b (23) comprises:
a mounting groove (2031), wherein the mounting groove (2031) is arranged in the sliding block (203);
a rotation shaft b (231), wherein a plurality of the rotation shafts b (231) are mounted in the mounting groove (2031);
a gear a (232), the gear a (232) being mounted on the rotating rod a (221);
a gear b (233), the gear b (233) being mounted on the rotation shaft b (231), a plurality of the gears b (233) being engaged, the gear a (232) being engaged with the gear b (233) at the bottom;
a rotary drive b (234), the rotary drive b (234) being mounted above the lift plate (215);
and a gear c (235), wherein the gear c (235) is arranged at the output end of the rotary driving part b (234), and the gear c (235) is meshed with the gear b (233) at the top.
6. An apparatus for producing high purity chromium metal using an electric arc furnace according to claim 5 wherein said feed unit (3) comprises:
-a square ring (301), said square ring (301) being mounted on said circular ring (106);
-a swash plate (302), the swash plate (302) being mounted on the square ring (301);
a motion driving member a (303), the motion driving member a (303) being mounted on the swash plate (302);
the box body (304), the said box body (304) is installed in the said movement driver a (303) output end;
an L-shaped bracket (305), the L-shaped bracket (305) being mounted on the sloping plate (302);
a motion driver b (306), the motion driver b (306) being mounted on the L-shaped frame (305);
a moving plate b (307), wherein the moving plate b (307) is arranged at the output end of the moving driving part b (306);
a plurality of battens (308), wherein the battens (308) are arranged at the bottom of the motion plate b (307);
and the feeding assembly (31), wherein the feeding assembly (31) is arranged on the L-shaped frame (305).
7. An apparatus for producing high purity chromium metal using an electric arc furnace according to claim 6 wherein said discharge unit (4) comprises:
a discharge pipe (401), wherein the discharge pipe (401) is arranged at the inclined bottom of the circular ring (106);
-a collecting box (402), said collecting box (402) being mounted to the lower part of said ring (106);
a sliding ring (403), wherein the sliding ring (403) is installed on the furnace shell (102), and the sliding ring (403) is rotationally arranged inside the circular ring (106);
the salvaging unit (5) is the electric arc unit (2) and further comprises an atmosphere protection unit (6), and the atmosphere protection unit (6) drives the furnace shell (102) to be filled with rare gas.
8. An apparatus for producing high purity chromium metal using an electric arc furnace according to claim 7 wherein said feed assembly (31) comprises:
the square frame (311), the square frame (311) is installed on the L-shaped frame (305), and a bottom groove (3111) is formed at the bottom of the square frame (311);
a feeding pipe (312), wherein the feeding pipe (312) is arranged on the square frame (311);
the linear driving piece j (313), the linear driving piece j (313) is arranged at the bottom of the feeding pipe (312);
and a closing plate a (314), wherein the closing plate a (314) is arranged at the output end of the linear driving piece j (313).
9. An apparatus for producing high purity chromium metal using an electric arc furnace according to claim 8 wherein said atmosphere protection unit (6) comprises:
the linear driving piece d (601), the linear driving piece d (601) is arranged on the square ring (301), and a sliding groove (3011) is formed in the square ring (301);
a closing plate b (602), wherein the closing plate b (602) is installed at the output end of the linear driving piece d (601), and the closing plate b (602) slides in the sliding groove (3011);
a rotation shaft a (603), wherein two rotation shafts a (603) are rotatably arranged on the inclined plate (302);
a baffle (600), the baffle (600) being mounted on the rotation shaft a (603);
a rotating rod (604), wherein two rotating rods (604) are rotatably arranged at the bottom of the sloping plate (302);
a gear f (605), wherein the gear f (605) is mounted on the rotating rod (604), and the two gears f (605) are meshed;
the installation frame (606) is installed at the bottom of the inclined plate (302);
a rotation driving member q (607), wherein the rotation driving member q (607) is mounted on the mounting frame (606), and the rotation driving member q (607) drives one of the rotation rods (604) to rotate;
and the rotating shaft a (603) is in transmission connection with the rotating rod (604) through the belt (608).
10. The device for producing high-purity chromium metal by using the electric arc furnace according to claim 9, wherein a box body (609) is arranged below the inclined plate (302), the box body (609) is communicated with the square ring (301) through a pipeline a (610), the box body (609) is communicated with the baffle (600) through a pipeline b (611), and valves are arranged on the pipeline a (610) and the pipeline b (611).
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| CN202993817U (en) * | 2012-12-04 | 2013-06-12 | 纪征礼 | Electric arc furnace |
| CN109724405A (en) * | 2019-01-11 | 2019-05-07 | 丰镇市新太新材料科技有限公司 | A kind of high carbon ferro-chrome for preparing is with energy saving and environment friendly electric furnace |
| CN214039533U (en) * | 2020-12-30 | 2021-08-24 | 锦州阿里钛时代科技有限公司 | Titanium alloy secondary smelting device with impurity isolation function |
| CN216845659U (en) * | 2022-02-26 | 2022-06-28 | 洛南环亚源铜业有限公司 | Metal melting furnace |
| CN218443402U (en) * | 2022-08-16 | 2023-02-03 | 陕西华鑫特种钢铁集团有限公司 | Electric arc furnace convenient to clean |
| CN117053558A (en) * | 2023-09-26 | 2023-11-14 | 江苏威拉里新材料科技有限公司 | Crucible cooling device in vacuum induction smelting furnace for pulverizing |
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2023
- 2023-12-28 CN CN202311825252.3A patent/CN117781684B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202993817U (en) * | 2012-12-04 | 2013-06-12 | 纪征礼 | Electric arc furnace |
| CN109724405A (en) * | 2019-01-11 | 2019-05-07 | 丰镇市新太新材料科技有限公司 | A kind of high carbon ferro-chrome for preparing is with energy saving and environment friendly electric furnace |
| CN214039533U (en) * | 2020-12-30 | 2021-08-24 | 锦州阿里钛时代科技有限公司 | Titanium alloy secondary smelting device with impurity isolation function |
| CN216845659U (en) * | 2022-02-26 | 2022-06-28 | 洛南环亚源铜业有限公司 | Metal melting furnace |
| CN218443402U (en) * | 2022-08-16 | 2023-02-03 | 陕西华鑫特种钢铁集团有限公司 | Electric arc furnace convenient to clean |
| CN117053558A (en) * | 2023-09-26 | 2023-11-14 | 江苏威拉里新材料科技有限公司 | Crucible cooling device in vacuum induction smelting furnace for pulverizing |
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| CN117781684B (en) | 2024-05-28 |
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