CN219824411U - High-temperature fused salt electrodeposition device - Google Patents
High-temperature fused salt electrodeposition device Download PDFInfo
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- CN219824411U CN219824411U CN202320326639.3U CN202320326639U CN219824411U CN 219824411 U CN219824411 U CN 219824411U CN 202320326639 U CN202320326639 U CN 202320326639U CN 219824411 U CN219824411 U CN 219824411U
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- cathode
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- baffle
- molten salt
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- 238000004070 electrodeposition Methods 0.000 title claims abstract description 41
- 150000003839 salts Chemical class 0.000 title claims abstract description 40
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 24
- 239000010439 graphite Substances 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000011159 matrix material Substances 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 abstract description 16
- 238000000576 coating method Methods 0.000 abstract description 16
- 239000003518 caustics Substances 0.000 abstract description 4
- 231100001010 corrosive Toxicity 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 abstract description 2
- 238000005868 electrolysis reaction Methods 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 239000003870 refractory metal Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002385 metal-ion deposition Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Electrolytic Production Of Metals (AREA)
Abstract
The utility model provides a high-temperature fused salt electrodeposition device, which belongs to the technical field of electrodeposition and comprises: a graphite electrolyzer for Cheng Fanggao temperature molten salt; the cathode structure comprises a cathode matrix, a cathode support rod, a cathode baffle and a cathode rod; the cathode substrate is positioned in the high-temperature molten salt, one end of the cathode supporting rod is connected with the cathode substrate, the other end of the cathode supporting rod is connected with the cathode baffle, and the cathode rod is connected with the cathode baffle; the anode structure comprises an anode source, an anode rod and an anode baffle plate; the anode source is positioned in the high-temperature molten salt and above the cathode matrix, one end of the anode rod is connected with the anode source, the other end of the anode rod is connected with the anode baffle, and the anode baffle is covered at the opening of the upper end of the graphite electrolytic tank. The utility model changes the electrodeposition surface of the cathode matrix to face upwards, eliminates the influence of gravity on the efficiency of the electrodeposited coating due to the downward surface of the original cathode, and can prevent the problem of uneven surface quality of the electrodeposited coating caused by the falling and pollution of corrosives on the surface of the electrodeposited matrix due to long-time high-temperature operation of the graphite electrolytic tank above.
Description
Technical Field
The utility model relates to the technical field of electrodeposition, in particular to a high-temperature fused salt electrodeposition device.
Background
At present, a double-electrode hanging plating mode is generally adopted for preparing the fused salt electrodeposition coating, namely, a cathode electrode and an anode electrode are vertically immersed into fused salt, and electrodeposition is carried out on an electrodeposition surface and an anode electrode which are perpendicular to a horizontal plane. However, the thickness of the deposited layer obtained by adopting the mode is different from the distance between the two electrodes due to the influence of gravity, and the deposition efficiency of different parts of the electrodes is different, so that the thickness of the coating is uneven, the binding force is poor and the electrodeposition efficiency is low, and therefore, the high-quality large-size thick coating is difficult to prepare; the anode of the plating can occupy the space of the cathode matrix, the electro-deposition size of the matrix is limited, the double-electrode horizontal plating is generally connected by metal wires, the metal wires are easy to break under the influence of high-temperature working environment, the strength of the metal wires is smaller, and the high-quality matrix cannot be loaded.
However, the electrodeposition device provided by the related technology can generate the problems that the surface quality of the electrodeposition coating is poor due to uneven surface of the electrodeposition coating caused by long-time high-temperature operation of a kettle body above the electrodeposition substrate and falling of corrosive substances to pollute the surface of the electrodeposition substrate.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a high-temperature molten salt electrodeposition device, which can solve the problems that the existing electrodeposition device can produce uneven surface quality of an electrodeposition coating and the like due to long-time high-temperature operation of a kettle body above an electrodeposition substrate and the falling of corrosive substances to pollute the surface of the electrodeposition substrate.
In order to solve the technical problems, the utility model provides the following technical scheme:
a high temperature molten salt electrodeposition apparatus, the apparatus comprising:
a graphite electrolyzer for Cheng Fanggao temperature molten salt;
the cathode structure comprises a cathode matrix, a cathode supporting rod, a cathode baffle and a cathode rod; the cathode substrate is positioned in the high-temperature molten salt, one end of the cathode support rod is connected with the cathode substrate, the other end of the cathode support rod is connected with the cathode baffle, and the cathode rod is connected with the cathode baffle;
an anode structure comprising an anode source, an anode rod, and an anode baffle; the anode source is positioned in the high-temperature molten salt and above the cathode substrate, one end of the anode rod is connected with the anode source, the other end of the anode rod is connected with the anode baffle, and the anode baffle covers the upper end opening of the graphite electrolytic tank.
In an alternative embodiment, the cathode support rod includes two cathode support rods, one end of each of which is connected to both ends of the cathode base.
In an alternative embodiment, the spacing of the two cathode struts is less than the inner diameter of the graphite cell.
In an alternative embodiment, two cathode struts are connected to the middle of the cathode baffle.
In an alternative embodiment, the other end of the cathode rod is used for being connected with a negative electrode of a power supply, the graphite electrolysis tank is used for being connected with a positive electrode of the power supply, and the cathode matrix and the anode source form a series circuit through the high-temperature molten salt to be connected with the power supply.
In an alternative embodiment, the cathode baffle and the anode baffle are both metal baffles.
In an alternative embodiment, the anode stem is a coated metal stem and the anode source is a coated metal.
The technical scheme of the utility model has the following beneficial effects:
the device provided by the embodiment of the utility model can realize the change of the position of the anode and the cathode on the basis of not changing the vertical structure of the graphite electrolytic tank, and the electrodeposited surface of the cathode matrix is upward after the change, so that the influence of the original cathode surface downward on the electrodeposited coating efficiency is eliminated, the anode source right above is opposite to the cathode matrix below, the anode source can prevent the problems of uneven surface quality of the electrodeposited coating and the like caused by long-time high-temperature operation of the graphite electrolytic tank and the pollution of the surface of the electrodeposited matrix by corrosives falling, and the distribution and the growth form of metal ion deposition are adapted to the practical application working conditions. The arrangement of the double cathode support rod enables the potential difference of the distributed current of the current on the electrodeposition matrix to be smaller, and the synchronous trend and assimilation of electrodeposition are well realized, so that the uniformity of the deposited refractory metal coating is further improved. The upper and lower surfaces of the anode source can be contacted with high-temperature molten salt and simultaneously participate in electrochemical reaction, so that the electrodeposition efficiency is improved. In addition, the device provided by the embodiment of the utility model has a simple structure, and the structure of the originally used high-temperature fused salt electrodeposition device is not required to be modified.
Drawings
FIG. 1 is a block diagram of a high temperature molten salt electrodeposition apparatus of the present utility model.
[ reference numerals ]
1. A graphite electrolyzer; 2. high temperature molten salt; 3. a cathode substrate; 4. a cathode strut; 5. a cathode baffle; 6. a cathode rod; 7. an anode source; 8. an anode rod; 9. an anode rod.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The guardrail with good warning effect for building construction provided by the utility model is described in detail below with reference to the accompanying drawings and specific embodiments. While the utility model has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the utility model specifically.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.
The embodiment of the utility model provides a high-temperature fused salt electrodeposition device, which comprises:
a graphite electrolyzer 1 for holding high temperature molten salt 2;
a cathode structure comprising a cathode base 3, a cathode support rod 4, a cathode baffle 5 and a cathode rod 6; the cathode matrix 3 is positioned in the high-temperature molten salt 2, one end of the cathode supporting rod 4 is connected with the cathode matrix 3, the other end is connected with the cathode baffle 5, and the cathode rod 6 is connected with the cathode baffle 5;
an anode structure comprising an anode source 7, an anode rod 8 and an anode baffle 9; the anode source 7 is positioned in the high-temperature molten salt 2 and above the cathode matrix 3, one end of the anode rod 8 is connected with the anode source 7, the other end is connected with the anode baffle 9, and the anode baffle 9 is covered at the upper end opening of the graphite electrolytic tank 1.
The apparatus provided by embodiments of the present utility model are further explained and described below by alternative embodiments.
Preferably, the cathode support rod 4 comprises two cathode support rods 4, and one ends of the two cathode support rods 4 are respectively connected with two ends of the cathode base body 3.
Preferably, the distance between the two cathode struts 4 is smaller than the inner diameter of the graphite electrolysis cell 1 and is not in contact with the inner wall of the graphite electrolysis cell 1.
Preferably, the two cathode struts 4 and the cathode rod 6 are connected to the middle of the cathode baffle 5.
Preferably, the other end of the cathode rod 6 is used for connecting with a negative electrode of a power supply, the graphite electrolysis tank 1 is used for connecting with a positive electrode of the power supply, and the cathode matrix 3 and the anode source 7 form a series circuit through the high-temperature molten salt 2 to be connected with the power supply. Further, the cathode matrix 3 and the anode refractory coating metal anode source 7 form a series circuit through the high-temperature molten salt 2, and are connected with a power supply.
Preferably, both the cathode barrier 5 and the anode barrier 9 are metal barriers.
Preferably, the anode rod 8 is a coated metal rod and the anode source 7 is a coated metal.
Preferably, the operating temperature of the graphite electrolysis cell 1 is not less than 1200 ℃.
The cathode structure and the anode structure are placed in a vertical graphite electrolytic tank 1, a cathode rod 6 is connected with a cathode, the graphite electrolytic tank 1 is connected with an anode, a cathode matrix 3 and an anode coating metal source form a series circuit through high-temperature molten salt 2, an electrodeposition power supply is connected, along with the progress of electrodeposition, a metal tungsten layer is continuously thickened, the electrodeposition is stopped until the total thickness reaches the requirement, the cathode structure and the anode structure are vertically lifted up to the high-temperature molten salt 2, the matrix is taken out after waiting for cooling, and the preparation of the thick tungsten coating is completed.
Anode source 7 includes, but is not limited to, refractory metals such as W, mo, zr, ti, cr. The cathode structure and the anode structure are placed in the graphite electrolytic tank 1, can work in a high-temperature environment for a long time, and meet the condition of electrodepositing refractory metal coating.
The anode substrate includes, but is not limited to W, mo, zr, ti, cr, and may be any refractory metal material suitable for electrodeposition.
Obviously, the embodiments of the present utility model are not limited to the examples in the above embodiments, and many variations are possible, such as changing the material of the electrodeposited substrate (e.g. steel, copper, molybdenum and other alloys, etc.), changing the electrodeposited other coating (e.g. W, mo, zr, ti, cr, etc.), changing the molten salt system, changing the shape and size of the substrate (e.g. plate, tube, sheet, ring, etc.), changing the parameters of the device (cathode-anode distance, atmosphere, time, temperature, etc.). All modifications which a person skilled in the art would be able to make from the disclosure or the apparatus of the present utility model, or which are conceivable, should be considered as being within the scope of the present utility model.
The foregoing is a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model and are intended to be comprehended within the scope of the present utility model.
Claims (8)
1. A high temperature molten salt electrodeposition apparatus, the apparatus comprising:
a graphite electrolyzer for Cheng Fanggao temperature molten salt;
the cathode structure comprises a cathode matrix, a cathode supporting rod, a cathode baffle and a cathode rod; the cathode substrate is positioned in the high-temperature molten salt, one end of the cathode support rod is connected with the cathode substrate, the other end of the cathode support rod is connected with the cathode baffle, and the cathode rod is connected with the cathode baffle;
an anode structure comprising an anode source, an anode rod, and an anode baffle; the anode source is positioned in the high-temperature molten salt and above the cathode substrate, one end of the anode rod is connected with the anode source, the other end of the anode rod is connected with the anode baffle, and the anode baffle covers the upper end opening of the graphite electrolytic tank.
2. The high temperature molten salt electrodeposition device as in claim 1 wherein the cathode struts comprise two cathode struts, one end of each of which is connected to each end of the cathode substrate.
3. The high temperature molten salt electrodeposition device of claim 2 wherein the spacing of the two cathode struts is less than the inner diameter of the graphite cell.
4. The high temperature molten salt electrodeposition device of claim 1 wherein two cathode struts connect the cathode rod to a middle portion of the cathode baffle.
5. The high-temperature molten salt electrodeposition device as in claim 1, wherein the other end of the cathode rod is used for connecting with a negative electrode of a power supply, the graphite electrolyzer is used for connecting with a positive electrode of the power supply, and the cathode substrate and the anode source form a series circuit through the high-temperature molten salt to be connected with the power supply.
6. The high temperature molten salt electrodeposition apparatus of claim 1 wherein the cathode baffle and the anode baffle are both metal baffles.
7. The high temperature molten salt electrodeposition device of claim 1 wherein the anode stem is an anode coated metal stem and the anode source is a coated metal source.
8. The high temperature molten salt electrodeposition apparatus of claim 1 wherein the operating temperature of the graphite electrolyzer is no less than 1200 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320326639.3U CN219824411U (en) | 2023-02-27 | 2023-02-27 | High-temperature fused salt electrodeposition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320326639.3U CN219824411U (en) | 2023-02-27 | 2023-02-27 | High-temperature fused salt electrodeposition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219824411U true CN219824411U (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320326639.3U Active CN219824411U (en) | 2023-02-27 | 2023-02-27 | High-temperature fused salt electrodeposition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219824411U (en) |
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2023
- 2023-02-27 CN CN202320326639.3U patent/CN219824411U/en active Active
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