CN217809708U - Tombarthite fused salt electrolysis furnace mouth closing device - Google Patents
Tombarthite fused salt electrolysis furnace mouth closing device Download PDFInfo
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- CN217809708U CN217809708U CN202221469142.9U CN202221469142U CN217809708U CN 217809708 U CN217809708 U CN 217809708U CN 202221469142 U CN202221469142 U CN 202221469142U CN 217809708 U CN217809708 U CN 217809708U
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Abstract
The utility model relates to the technical field of rare earth production equipment, and provides a rare earth fused salt electrolysis furnace mouth sealing device, which comprises a sealing cover plate arranged at a furnace mouth of an electrolysis furnace, wherein the sealing cover plate comprises a first cover plate and a second cover plate which are positioned on the same plane and are symmetrically arranged, one end of the first cover plate is provided with a first driving piece for driving the first cover plate to rotate on the same plane, one end of the second cover plate is provided with a second driving piece for driving the second cover plate to rotate on the same plane, a binding surface is arranged between the first cover plate and the second cover plate, and a reserved through hole is arranged on the sealing cover plate; the flexible baffle is arranged at the edge of the non-binding surface of the sealing cover plate; the utility model can automatically and quickly open and close the furnace mouth of the electrolytic furnace.
Description
Technical Field
The utility model relates to a tombarthite production facility technical field particularly, relates to a tombarthite fused salt electrolysis furnace mouth closing device.
Background
The oxide-fluoride fused salt electrolysis method is a mainstream process for preparing rare earth metals and alloys, and the key equipment of the process is an open type rare earth electrolytic furnace. With the high-efficiency utilization of resources, environmental protection and the gradual promotion of the double-carbon target, the open type rare earth electrolytic furnace has the following problems which need to be solved: 1) The smoke dust recovery efficiency is low. During the molten salt electrolysis preparation process, a large amount of smoke dust can be generated and escaped from a furnace mouth along with the turning of the molten salt; 2) The energy consumption is large. The electrolysis process is a high-temperature process, the temperature of the molten salt is about 1000 ℃, and a large amount of heat escapes from a furnace mouth, so that energy waste is caused; 3) The resource utilization rate is low. The temperature of the furnace mouth is between 400 and 800 ℃ in the electrolytic reaction process, so that the oxidation process is accelerated, and the consumption speed of materials such as a cathode, an anode, a graphite tank and the like which are in contact with the air at the furnace mouth is too high; 4) The operating environment is poor. Dust and heat escaping from the opening of the electrolytic furnace can cause the dust and the environmental temperature of the operation environment to rise, thus deteriorating the operation environment and affecting the health of operators.
In order to solve the problem, the existing electrolytic furnaces are additionally sealed by adopting an integral cover plate, such as the electrolytic furnaces with the following publication numbers: chinese patent CN213977912U discloses a molten salt electrolytic furnace, which is sealed by a cover plate, as follows: the publication number is: CN213327873U, which is a chinese patent discloses an automatic cathode lifting mechanism for a rare earth electrolyzer, wherein an integral cover plate is used for sealing, and the integral cover plate is inconvenient to open and close and needs to be manually opened in a close manner, which is not preferable for an oxide-fluoride molten salt electrolysis process and has a large impact on health.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tombarthite fused salt electrolysis furnace mouth closing device, its furnace mouth that adopts automatic mode to open fast and close the electrolysis furnace.
The embodiment of the utility model discloses a realize through following technical scheme: a sealing device for a rare earth molten salt electrolysis furnace mouth comprises a sealing cover plate arranged at the furnace mouth of an electrolysis furnace, wherein the sealing cover plate comprises a first cover plate and a second cover plate which are positioned on the same plane and symmetrically arranged, one end of the first cover plate is provided with a first driving piece for driving the first cover plate to rotate on the same plane, one end of the second cover plate is provided with a second driving piece for driving the second cover plate to rotate on the same plane, an attaching surface is arranged between the first cover plate and the second cover plate, and a reserved through hole is arranged on the sealing cover plate; the flexible baffle is arranged at the edge of the non-binding face of the sealing cover plate.
Furthermore, the sealing cover plate is a metal plate, and the flexible baffle is made of insulating canvas.
Furthermore, a first opening is formed in the position of the binding surface of the first cover plate, a second opening is formed in the position of the binding surface of the second cover plate, and the reserved through hole is formed in the position of the binding surface and formed by combining the first opening and the second opening.
Furthermore, an insulating base is also arranged; one end of the first cover plate is provided with a first shaft sleeve vertical to the same plane, and one end of the second cover plate is provided with a second shaft sleeve vertical to the same plane; one end of the first shaft sleeve is fixedly connected with a first gear, and one end of the second shaft sleeve is fixedly connected with a second gear; the insulating base is provided with a first fixed shaft and a second fixed shaft, the first shaft sleeve is rotatably connected to the first fixed shaft through a bearing, and the second shaft sleeve is rotatably connected to the second fixed shaft through a bearing; the first driving piece comprises a first driving motor and a first chain, and the first chain is connected with the first driving motor and the first gear; the second driving piece comprises a second driving motor and a second chain, and the second chain is connected with the second driving motor and the second gear.
Furthermore, the device is also provided with an elastic seat, the elastic seat comprises a fixed plate and an elastic plate, the elastic plate is connected to the fixed plate through an elastic piece, and the first driving motor and the second driving motor are arranged on the elastic plate; the moving direction of the elastic piece is parallel to the same plane.
Furthermore, the elastic part is a spring rod, and the included angle between the moving direction of the elastic part and the first chain is more than or equal to 45 degrees.
Further, the first driving motor and the second driving motor are remotely controlled by a PLC.
The technical scheme of the utility model following advantage and beneficial effect have at least:
1, can effectively reduce tombarthite electrolysis process dust, heat and escape, reduce the furnace mouth material simultaneously and contact the chance with the air, reduce material consumption speed, finally realize smoke and dust recycle, energy escape reduce, data utilization promotion.
2, the structure of the existing electrolytic furnace does not need to be changed, the existing operation process does not need to be changed, the operation is simple, and the industrial applicability is strong.
3, the problem of poor operating environment is solved, and the radiant heat and the ambient temperature are effectively reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.
FIG. 1 is a schematic view of the mounting structure of the rare earth molten salt electrolytic furnace mouth sealing device provided by the utility model;
FIG. 2 is a schematic view of the front axial side structure of the rare earth molten salt electrolytic furnace mouth sealing device provided by the utility model;
FIG. 3 is a schematic view of a back side shaft side structure of the rare earth molten salt electrolytic furnace mouth sealing device provided by the utility model;
an icon: 1-rare earth molten salt electrolytic furnace mouth sealing device, 2-electrolytic furnace, 11-first cover plate, 12-second cover plate, 13-flexible baffle plate, 14-reserved through hole, 15-first driving motor, 16-first chain, 17-first gear, 18-first shaft sleeve, 19-first fixed shaft, 20-PLC, 151-second driving motor, 161-second chain, 171-second gear, 181-second shaft sleeve, 191-second fixed shaft, 21-binding surface, 22-insulating base, 23-elastic plate, 24-elastic piece and 25-fixing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
As shown in fig. 1, a sealing device for a rare earth molten salt electrolysis furnace mouth is arranged above a rare earth molten salt electrolysis furnace 2, and specifically comprises a sealing cover plate and a flexible baffle 13 which are arranged at the furnace mouth of the electrolysis furnace 2, wherein the height of the flexible baffle 13 is not less than the vertical distance between the sealing cover plate and a furnace platen, and the flexible baffle has insulating and heat-insulating functions, plays a role in heat preservation of an electrolysis bath, and simultaneously prevents smoke from diffusing, and is generally made of insulating canvas; it should be noted that, here, the sealing cover plate is made of steel plate, so as to prevent the influence of the magnetic field generated by the electrolytic current on the sealing cover plate; the electrolytic furnace 2 for reaction is sealed by using the sealing cover plate and the flexible baffle 13, so that smoke dust is effectively prevented from escaping from a furnace mouth, and the smoke dust recovery efficiency is effectively improved; the heat loss in the electrolytic cell can be reduced, the temperature balance in the electrolytic cell is kept, and the consumption of electric energy is saved; the service lives of the cathode, the anode and the graphite tank are prolonged, and the resource utilization rate can be effectively improved; the smoke dust and the heat radiation are effectively controlled, and the operation environment is improved.
Specifically, as shown in fig. 2 and 3, the sealing cover plate includes a first cover plate 11 and a second cover plate 12 which are located on the same plane and are symmetrically arranged, where the same plane may be a horizontal plane; a first driving piece for driving the first cover plate 11 to rotate on the same plane is arranged at one end of the first cover plate 11, a second driving piece for driving the second cover plate 12 to rotate on the same plane is arranged at one end of the second cover plate 12, a binding surface 21 is arranged between the first cover plate 11 and the second cover plate 12, and a reserved through hole 14 is arranged on the sealing cover plate; the flexible baffle 13 is arranged at the edge of the non-adhesive surface 21 of the sealing cover plate. It is emphasized that the purpose of the pre-cut through hole 14 is to add electrolyte or to put a cathode, in other embodiments, the pre-cut through hole 14 may be provided at any of the first cover plate 11 or the second cover plate 12; in this embodiment, for the convenience of the clearance in later stage and effective control pollution do not indiscriminate overflow, be convenient for simultaneously add electrolyte and place the negative pole, adopt following setting: a first opening is formed in the position of the attaching surface 21 of the first cover plate 11, a second opening is formed in the position of the attaching surface 21 of the second cover plate 12, and the reserved through hole 14 is formed in the position of the attaching surface 21 and formed by combining the first opening and the second opening; when the first cover plate 11 and the second cover plate 12 are rotated to be opened, a gap between the first gap and the second gap is enlarged, so that electrolyte can be added conveniently; when combined, at least one reserved through hole 14 can be ensured for placing the cathode, unnecessary openings are reduced, and the positions where leakage does not exist are ensured.
It should be noted that, the sealing cover plate is horizontally opened and closed at an angle of 0 to 180 °, and is adjusted in real time as required, and the driving manner is not limited, that is, the first driving member and the second driving member may be rotated manually, and certainly, the rotation process should be rotated in a scissors-like manner by means of a lever, and in this embodiment, the following arrangement is adopted, specifically, the insulating base 22 is further provided.
One end of the first cover plate 11 is provided with a first shaft sleeve 18 vertical to the horizontal plane, and one end of the second cover plate 12 is provided with a second shaft sleeve 181 vertical to the horizontal plane; one end of the first shaft sleeve 18 is fixedly connected with a first gear 17, and one end of the second shaft sleeve 181 is fixedly connected with a second gear 171; the insulating base 22 is provided with a first fixed shaft 19 and a second fixed shaft 191, the first shaft sleeve 18 is rotatably connected to the first fixed shaft 19 through a bearing, and the second shaft sleeve 181 is rotatably connected to the second fixed shaft 191 through a bearing; the first driving part comprises a first driving motor 15 and a first chain 16, and the first chain 16 is connected with the first driving motor 15 and a first gear 17; the second driving member includes a second driving motor 151 and a second chain 161, and the second chain 161 connects the second driving motor 151 and the second gear 171; here, the first driving motor 15 and the second driving motor 151 may be servo motors or other industrial motors with controllable rotation angles. The working process is as follows: the first driving motor 15 drives the first chain 16 to rotate, the first chain 16 drives the first gear 17 to rotate, the first gear 17 drives the first cover plate 11 to rotate 90 degrees around the first fixing shaft 19, and similarly, the second cover plate 12 rotates 90 degrees around the second fixing shaft 191, so that the sealing cover plate can be horizontally opened and closed by 0-180 degrees.
Further, in this embodiment, an elastic seat is further provided, which aims to reduce the influence of the driving motor and the chain on the mounting seat due to deformation or uneven stress during operation, in other embodiments, the elastic seat is satisfied by using a rubber gasket, in this embodiment, the elastic seat includes a fixed plate 25 and an elastic plate 23, the elastic plate 23 is connected to the fixed plate 25 through an elastic member 24, and the first driving motor 15 and the second driving motor 151 are both disposed on the elastic plate 23; the moving direction of the elastic piece 24 is parallel to the same plane, and the fixed plate 25 is fixedly arranged on a mounting seat, wherein the mounting seat is a frame of the whole equipment; it is further emphasized that the resilient member 24 is a spring rod and that the angle between the direction of movement of the resilient member 24 and the first chain 16 is 45 degrees or more, preferably 90 degrees.
It should be further emphasized that the first driving motor 15 and the second driving motor 151 are remotely controlled by the PLC20, so as to avoid the operator from being close to the electrolytic furnace 2.
Finally, in the embodiment, the opening sealing device for the rare earth molten salt electrolysis furnace opening is mainly disclosed, and the electrolysis furnace 2 is not limited at all, for example, the electrolysis furnace 2 is circular, and then the first cover plate 11 and the second cover plate 12 are semicircular; those skilled in the art will appreciate that other components not specifically described are well within the scope of the present invention.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a tombarthite fused salt electrolysis furnace mouth closing device which characterized in that: comprises that
The sealing cover plate is arranged at a furnace opening of the electrolytic furnace (2), and comprises a first cover plate (11) and a second cover plate (12) which are positioned on the same plane and symmetrically arranged, a first driving piece for driving the first cover plate (11) to rotate on the same plane is arranged at one end of the first cover plate (11), a second driving piece for driving the second cover plate (12) to rotate on the same plane is arranged at one end of the second cover plate (12), a binding surface (21) is arranged between the first cover plate (11) and the second cover plate (12), and a reserved through hole (14) is formed in the sealing cover plate;
the flexible baffle (13), flexible baffle (13) set up seal the apron not the edge of binding face (21).
2. The rare earth molten salt electrolysis furnace mouth sealing device of claim 1, characterized in that: the sealing cover plate is a metal plate, and the flexible baffle (13) is insulating canvas.
3. The rare earth molten salt electrolysis furnace mouth sealing device of claim 1, characterized in that: binding face (21) department of first apron (11) is equipped with first opening, binding face (21) department of second apron (12) is equipped with the second opening, it sets up in binding face (21) department and forms by first opening and the combination of second opening to reserve through-hole (14).
4. The rare earth molten salt electrolysis furnace mouth sealing device of claim 1, characterized in that: an insulating base (22) is also arranged;
one end of the first cover plate (11) is provided with a first shaft sleeve (18) vertical to the same plane, and one end of the second cover plate (12) is provided with a second shaft sleeve (181) vertical to the same plane; one end of the first shaft sleeve (18) is fixedly connected with a first gear (17), and one end of the second shaft sleeve (181) is fixedly connected with a second gear (171);
a first fixed shaft (19) and a second fixed shaft (191) are arranged on the insulating base (22), the first shaft sleeve (18) is rotatably connected to the first fixed shaft (19) through a bearing, and the second shaft sleeve (181) is rotatably connected to the second fixed shaft (191) through a bearing;
the first driving piece comprises a first driving motor (15) and a first chain (16), and the first chain (16) is connected with the first driving motor (15) and a first gear (17);
the second driving member comprises a second driving motor (151) and a second chain (161), and the second chain (161) is connected with the second driving motor (151) and the second gear (171).
5. The rare earth molten salt electrolysis furnace mouth sealing device of claim 4, characterized in that: an elastic seat is also arranged on the upper part of the frame,
the elastic seat comprises a fixed plate (25) and an elastic plate (23), the elastic plate (23) is connected to the fixed plate (25) through an elastic piece (24), and the first driving motor (15) and the second driving motor (151) are arranged on the elastic plate (23); the moving direction of the elastic piece (24) is parallel to the same plane.
6. The rare earth molten salt electrolysis furnace mouth sealing device of claim 5, characterized in that: the elastic piece (24) is a spring rod, and an included angle between the moving direction of the elastic piece (24) and the first chain (16) is more than or equal to 45 degrees.
7. The rare earth molten salt electrolysis furnace mouth sealing device of claim 6, characterized in that: the first drive motor (15) and the second drive motor (151) are remotely controlled by a PLC (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221469142.9U CN217809708U (en) | 2022-06-13 | 2022-06-13 | Tombarthite fused salt electrolysis furnace mouth closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221469142.9U CN217809708U (en) | 2022-06-13 | 2022-06-13 | Tombarthite fused salt electrolysis furnace mouth closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217809708U true CN217809708U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221469142.9U Active CN217809708U (en) | 2022-06-13 | 2022-06-13 | Tombarthite fused salt electrolysis furnace mouth closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217809708U (en) |
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2022
- 2022-06-13 CN CN202221469142.9U patent/CN217809708U/en active Active
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