CN215947427U - Baker device for fused salt rare earth electrolytic cell - Google Patents
Baker device for fused salt rare earth electrolytic cell Download PDFInfo
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- CN215947427U CN215947427U CN202122526277.6U CN202122526277U CN215947427U CN 215947427 U CN215947427 U CN 215947427U CN 202122526277 U CN202122526277 U CN 202122526277U CN 215947427 U CN215947427 U CN 215947427U
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Abstract
The utility model discloses a furnace baking device for a fused salt rare earth electrolytic cell, which comprises an electrolytic cell main body and a heating body (8); a graphite crucible (3) is arranged in the electrolytic bath main body (9), and a heating body (8) is arranged in the graphite crucible (3); the cathode (1) and the anode (2) are mutually separated, and the lower ends of the cathodes are correspondingly inserted in the middle of the heating element (8) and at the edge of the heating element (8); the upper end of the anode (2) is connected with an anode conductive plate (11), and a furnace cover (10) is tightly pressed on the upper end of the anode conductive plate (11) and covers the upper part of the graphite crucible (3); the power supply device (12) is connected with the electrolytic bath main body (9) through leads according to the anode and the cathode (2) and the anode and the cathode (1). The furnace baking device for the fused salt rare earth electrolysis bath has the advantages of simple and compact structure, direct heating and baking of the electrolysis bath main body, large heat productivity, good baking furnace body effect, high efficiency, simple operation, easy realization, power consumption reduction and higher safety.
Description
Technical Field
The utility model relates to the technical field of electrolysis, in particular to a furnace drying device for a fused salt rare earth electrolytic cell.
Background
In the rare earth electrolysis industry, a molten salt electrolytic bath with a cathode inserted in the upper part is mainly adopted as a device for producing rare earth metals and is divided into a 3000A small-sized bath, a 6000A medium-sized bath and a ten thousand ampere-level large-sized bath according to the current. The main component parts of the electrolytic cell are a graphite crucible, graphite carbon powder, refractory cement, a steel inner shell, an outer shell and the like, water is needed to be used in the building process of the electrolytic cell, a furnace body needs to be baked before opening the furnace, the water in the furnace body is removed, otherwise, high-temperature electrolyte is exploded and splashed when the furnace is opened, even the explosion happens, and danger occurs.
The traditional oven generally adopts an electric baking lamp and the like, the oven body has the advantages of more than 48 hours, long time, low efficiency, incomplete moisture removal, easy electrolytic splashing, high-temperature heating of the oven body during opening, and influence on the opening efficiency besides the increase of power consumption.
Disclosure of Invention
The utility model provides a baking oven device for a molten salt rare earth electrolytic cell, which has a simple and compact structure, directly heats and bakes an electrolytic cell main body, has large heat productivity, good baking oven body effect and high efficiency, is simple to operate, is easy to realize, reduces the power consumption and is safer.
In order to realize the purpose, the furnace baking device for the molten salt rare earth electrolysis bath comprises an electrolysis bath main body, a cathode, an anode and a heating body;
a graphite crucible is arranged in the electrolytic bath main body, and a heating body is arranged in the graphite crucible;
the cathode and the anode are mutually separated, and the lower ends of the cathodes and the anodes are correspondingly inserted in the middle of the heating element and at the edge of the heating element;
the upper end of the anode is connected with an anode current-conducting plate, and the furnace cover is tightly pressed on the upper end of the anode current-conducting plate and covers the graphite crucible;
the power supply equipment is connected with the main body of the electrolytic bath through leads according to the anode and the cathode.
Further, the heating body adopts a graphite carbon block, and the upper part of the heating body is of a coaxial trapezoidal structure;
the lower end of the anode is pressed on the trapezoidal step.
Further, the power supply equipment adopts a low-voltage direct current rectification power supply, the input voltage is 4-12V, and the current is 1500-300A.
Furthermore, the upper end of the graphite crucible is covered with a corundum gasket for insulation;
the bedplate is fixed at the upper end of the electrolytic bath main body and tightly presses the corundum gasket.
Furthermore, the anodes are in multiple groups and are uniformly arranged on the circumference of the axis of the cathode;
the anode current conducting plate is of a Z-shaped structure, the lower part of the anode current conducting plate is pressed at the upper end of the anode, and the middle part of the anode current conducting plate is attached to the corundum washer.
Further, the upper end of the cathode is mounted on a horizontally arranged cathode arm;
one end of the cathode arm is driven to vertically move by the lifting component.
Furthermore, the lifting assembly comprises a driving motor and a screw rod which is connected with the output end of the driving motor and is vertically arranged;
the screw thread of the screw rod is arranged at one end of the cathode arm, and the cathode arm is sleeved on the guide rod to move vertically.
Furthermore, the furnace cover is made of flame-retardant high-temperature-resistant heat-insulating materials.
Compared with the prior art, this baker device for fused salt tombarthite electrolysis trough, owing to adopt the electrolysis trough main part as furnace body structure, adopt graphite carbon block as the heating member and feed through negative pole and positive pole in the furnace body bottom, through direct current power supply equipment who uses with the help of tombarthite electrolysis directly to the heating of electrolysis trough main part direct current low pressure heavy current toast, get rid of the moisture content in the electrolysis trough, calorific capacity is big, it is effectual to toast the furnace body, and is efficient, and easy operation, easily realize, solve traditional baker inefficiency, the poor problem of effect, promote the efficiency of opening a furnace greatly, be favorable to protecting the furnace body, reduce the power consumption, and adopt the low-voltage direct current energy-saving more safely.
Drawings
FIG. 1 is an overall schematic view of the present invention;
in the figure, 1, a cathode, 2, an anode, 3, a graphite crucible, 4, a bedplate, 5, a corundum gasket, 6, a cathode arm, 7, a lifting assembly, 8, a heating body, 9, an electrolytic tank body, 10, a furnace cover, 11, an anode conducting plate, 12 and power supply equipment.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in figure 1, the baking furnace device for the molten salt rare earth electrolyzer comprises an electrolyzer main body 9, a cathode 1, an anode 2 and a heating body 8;
a graphite crucible 3 is arranged in the electrolytic bath main body 9, and a heating body 8 is arranged in the graphite crucible 3;
the cathode 1 and the anode 2 are mutually separated, and the lower ends are correspondingly inserted in the middle of the heating element 8 and at the edge of the heating element 8;
the upper end of the anode 2 is connected with an anode conductive plate 11, and a furnace cover 10 is tightly pressed on the upper end of the anode conductive plate 11 and covers the graphite crucible 3;
the power supply device 12 and the electrolytic cell main body 9 are connected by wires according to the anode and the cathode 2 and the cathode 1.
Further, the heating element 8 adopts a graphite carbon block, and the upper part of the heating element is of a coaxial trapezoidal structure;
the lower end of the anode 2 is pressed on the trapezoidal step;
further, the power device 12 adopts a low-voltage dc rectification power source, the input voltage is 4V-12V, and the current is 1500-.
Further, the upper end of the graphite crucible 3 is covered with a corundum gasket 5 for insulation;
the bedplate 4 is fixed at the upper end of the electrolytic bath main body 9 and tightly presses the corundum gasket 5;
furthermore, the anodes 2 are in multiple groups and are uniformly arranged on the circumference of the axis of the cathode 1;
the anode conducting plate 11 is of a Z-shaped structure, the lower part of the anode conducting plate is tightly pressed at the upper end of the anode 2, and the middle part of the anode conducting plate is attached to the corundum washer 5;
through a plurality of positive poles 2 evenly arranged, the guarantee starts the circular telegram back at power supply unit 12, and heat-generating body 8 can evenly generate heat, avoids generating heat inhomogeneous and causes the local moisture that exists in the electrolysis trough main part 9 to influence follow-up electrolysis to the positive pole current conducting plate 11 of Z type structure not only realizes compressing tightly fixedly to positive pole 2, conveniently carries out the switch-on current moreover.
Further, the upper end of the cathode 1 is mounted on a horizontally arranged cathode arm 6;
one end of the cathode arm 6 is driven to vertically move by the lifting component 7;
preferably, such a lifting assembly 7 may include a driving motor and a screw rod connected to an output end of the driving motor and vertically disposed;
the screw thread of the screw rod is arranged at one end of the cathode arm 6, and the cathode arm 6 is sleeved on the guide rod to move vertically;
the driving motor is started, the cathode arm 6 is driven to vertically move on the guide rod through the rotation of the screw rod, so that the cathode 1 is conveniently driven to be taken out or adjusted in position, the driving motor can adopt a servo motor, and the lifting precision of the cathode 1 is higher in the mode;
as another scheme, the lifting assembly 7 can adopt a traditional telescopic rod, and the telescopic rod structure is suitable for quantitative height and is not suitable for accurate real-time height adjustment;
further, the furnace cover 10 is made of a flame-retardant high-temperature-resistant heat-insulating material.
When the furnace drying device for the molten salt rare earth electrolytic cell is used, the method specifically comprises the following steps:
assembling an electrolytic bath main body 9, installing an anode 2 made of graphite material in a graphite crucible 3 through an anode conducting plate 11, and then installing a cathode 1 in place;
a heating element 8 is arranged between an anode 2 and a cathode 1 at the bottom of the graphite crucible 3, a furnace cover 10 is covered at the upper end (furnace opening), preferably, the heating element 8 adopts a graphite carbon block, and a gap must be reserved between the anode 2 and the cathode 1, so that the gap cannot be filled, and the short circuit caused by over-small resistance is avoided;
connecting a power supply device 12 and an electrolytic bath main body 9 through leads according to a positive electrode and a positive electrode 2, a negative electrode and a negative electrode 1, switching on the power supply device 12 after checking the safety of a circuit, electrifying a heating body 8 to generate heat at the moment, baking the inside of the electrolytic bath main body 9, and removing moisture and humidity in the electrolytic bath main body;
the electrifying time is at least 6 hours, namely the oven drying time is at least 6 hours, after the baking is completed, the power supply equipment 12 is closed, the heating element 8 is taken out, and the oven drying treatment is completed.
This baker device for fused salt tombarthite electrolysis trough is owing to directly adopt built electrolysis trough main part 9 as furnace body structure, adopt graphite carbon block as the heating member and communicate negative pole 1 and positive pole 2 in the furnace body bottom, adopt tombarthite electrolysis's power supply unit 12 to carry out direct current low pressure heavy current heating to electrolysis trough main part 9 and toast the furnace body, calorific capacity is big, it is effectual to toast the furnace body, high efficiency, and easy operation, easily realize, solve traditional baker inefficiency, the poor problem of effect, promote the efficiency of blowing out greatly, be favorable to protecting the furnace body, reduce the power consumption, and adopt the low-voltage direct current safe energy-saving more.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In conclusion, if the person skilled in the art were to be informed by the teachings of the present invention, it would not only be possible to inventively design a similar method to the above-mentioned solution, but also to fall within the scope of the present invention.
Claims (8)
1. The furnace baking device for the fused salt rare earth electrolytic cell comprises an electrolytic cell main body (9), a cathode (1) and an anode (2),
also comprises a heating body (8);
a graphite crucible (3) is arranged in the electrolytic bath main body (9), and a heating body (8) is arranged in the graphite crucible (3);
the cathode (1) and the anode (2) are mutually separated, and the lower ends of the cathodes are correspondingly inserted in the middle of the heating element (8) and at the edge of the heating element (8);
the upper end of the anode (2) is connected with an anode conductive plate (11), and a furnace cover (10) is tightly pressed on the upper end of the anode conductive plate (11) and covers the upper part of the graphite crucible (3);
the power supply device (12) is connected with the electrolytic bath main body (9) through leads according to the anode and the cathode (2) and the anode and the cathode (1).
2. The baking furnace device for the molten salt rare earth electrolysis bath according to claim 1, characterized in that the heating body (8) adopts a graphite carbon block, and the upper part of the heating body is of a coaxial trapezoidal structure;
the lower end of the anode (2) is pressed on the trapezoid step.
3. The baking furnace device for the molten salt rare earth electrolysis cell as claimed in claim 2, wherein the power supply equipment (12) adopts a low-voltage direct current rectification power supply, the input voltage is 4-12V, and the current is 1500-300A.
4. A molten salt rare earth electrolyzer baking furnace apparatus as claimed in any of claims 1 to 3, characterized in that the upper end of the graphite crucible (3) is covered with a corundum washer (5) for insulation;
the bedplate (4) is fixed at the upper end of the electrolytic bath main body (9) and tightly presses the corundum gasket (5).
5. The baking furnace device for the molten salt rare earth electrolysis cell according to claim 4, characterized in that the anodes (2) are in multiple groups and are uniformly arranged around the axis circumference of the cathode (1);
the anode conducting plate (11) is of a Z-shaped structure, the lower part of the anode conducting plate is tightly pressed at the upper end of the anode (2), and the middle part of the anode conducting plate is attached to the corundum washer (5).
6. A molten salt rare earth electrolyzer baker device according to claim 5, characterized in that the upper end of the cathode (1) is mounted on a horizontally arranged cathode arm (6);
one end of the cathode arm (6) is driven to vertically move by the lifting component (7).
7. The baking furnace device for the molten salt rare earth electrolysis cell according to claim 6, characterized in that the lifting assembly (7) comprises a driving motor and a screw rod which is connected with the output end of the driving motor and is vertically arranged;
the screw thread of the screw rod is arranged at one end of the cathode arm (6), and the cathode arm (6) is sleeved on the guide rod to move vertically.
8. A baking furnace device for a molten salt rare earth electrolysis cell according to claim 4, characterized in that the furnace cover (10) is made of a flame-retardant high-temperature-resistant heat-insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122526277.6U CN215947427U (en) | 2021-10-20 | 2021-10-20 | Baker device for fused salt rare earth electrolytic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122526277.6U CN215947427U (en) | 2021-10-20 | 2021-10-20 | Baker device for fused salt rare earth electrolytic cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215947427U true CN215947427U (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122526277.6U Active CN215947427U (en) | 2021-10-20 | 2021-10-20 | Baker device for fused salt rare earth electrolytic cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215947427U (en) |
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2021
- 2021-10-20 CN CN202122526277.6U patent/CN215947427U/en active Active
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