CN204434734U - A kind of electrolysis fluorine anode - Google Patents
A kind of electrolysis fluorine anode Download PDFInfo
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- CN204434734U CN204434734U CN201520028227.7U CN201520028227U CN204434734U CN 204434734 U CN204434734 U CN 204434734U CN 201520028227 U CN201520028227 U CN 201520028227U CN 204434734 U CN204434734 U CN 204434734U
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- fluorine
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Abstract
The utility model discloses a kind of electrolysis fluorine anode, be made up of positive plate (1), suspension bracket (2), flexible conducting material (4) and clamping plate (3), electro-conductive material is located between carbon fibre anode plate and suspension bracket, and carbon fibre anode plate and flexible conducting material are fixed on suspension bracket by bolt (5) by clamping plate; Described flexible conducting material is silver foil, nickel or copper coating, Graphite pad one or a combination set of; Described positive plate is that carbon fibre material or carbon fiber reinforced carbonaceous material are made.The utility model, by increasing the electro-conductive material of one deck ability fluorine gas or hydrogen fluoride corrosion between suspension bracket and anode, strengthens the electroconductibility between anode and suspension bracket, reduces the resistance of contact surface, reduces thermal value, reduces the phenomenon of carbon anode burning.The Thickness Ratio carbonaceous positive plate minimizing 1/4 ~ 1/3 of the positive plate prepared with carbon fibre material is even more, thus reduces the volume taking fluorine cell, can reduce fluorine electrolysis anode and cathode voltage processed further, reduce fluorine cost processed.
Description
Technical field
The utility model relates to electrolysis fluorine anode, is specifically related to the anode that electrolysis of hydrogen fluoride prepares fluorine gas.
Background technology
At present, the anode material of middle temperature fluorine cell electrolytic preparation fluorine gas mainly with carbonaceous material as hard coal and metallurgical coke or refinery coke be raw material, coal-tar pitch is for after binding agent mixes by a certain percentage, form through shaping, roasting, also have and make through the secondary dipping of secondary or more and roasting.The shortcoming of above-mentioned anode is: easily produce the phenomenons such as anodic polarization, carbon anode fracture, partial combustion when electrolyzer runs, the life-span is short, and production efficiency is low.Be limited to carbon plate quality, cause fluorine carbon anode current density processed low, cause fluorine throughput processed to decline.
The existing manufacture method of investigator to carbon anode fluorine material is improved or carries out modification to carbon plate.Patent documentation CN101319331B provides a kind of making in material at existing carbon anode and adds copper powder, then carries out roll-forming, roasting, dipping, again roasting make carbon anode for fluorine production MATERIALS METHODS.In CN 101319330B on the basis of existing carbon anode, by dipping and the roasting of resol, modification is carried out to strengthen the performance such as intensity, electroconductibility of carbon plate to it.C is adopted in CN 100590229C
3h
6and N
2for carbon source carries out vapour deposition to carbon plate, the chemical vapor deposition pyrolytic coating prepared, improves the anti-polarization performance of carbon anode.CN201634768U provides and a kind ofly arranges the electrical conductor be connected with suspension bracket in carbon plate body interior, to reduce the site voltage difference up and down of carbon plate, makes the current density of carbon plate lower portion on the surface more balanced.
Fluorine carbon anode processed is formed by connecting by bolt presses Anode carbon block and suspension bracket by two clamping plates, this structure can not ensure contact surface close contact and validity conduction, and in suspension bracket, the reusable situation of clamping plate, contact surface is easier to be contacted closely at bolt with nut place, clamping plate will warpage away from nut compressing face, and produce spark at warpage place, cause Anode carbon block to be oxidized and fracture, produce a large amount of CF
4deng impurity.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of electrolysis fluorine anode, and this anode has life-span length, homogeneous current distribution, current density advantages of higher.
Electrolysis fluorine anode described in the utility model, is made up of positive plate, suspension bracket, flexible conducting material and clamping plate, and electro-conductive material is located between carbon fibre anode plate and suspension bracket, and carbon fibre anode plate and flexible conducting material are fixed on suspension bracket by bolt by clamping plate.Described flexible conducting material is as silver foil, nickel or copper coating, Graphite pad etc. one or a combination set of.
The carbon fibre anode plate that the preferred carbon fibre material of described positive plate or carbon fiber reinforced carbonaceous material are made; Suspension bracket can be the metallic substance such as copper, nickel; Bolt and clamping plate can be the metallic substance such as copper, nickel, also can be the carbon fiber clamping plate that are prepared into of carbon fiber and carbon fiber bolt.
For the contact surface resistance solving prior art fluorine anode is large, the conducting of contact surface big current can not be ensured, thus the fluorine anodic polarization processed caused and Anode carbon block burn and produce CF
4deng the problem of impurity, the utility model, by increasing the electro-conductive material of one deck ability fluorine gas or hydrogen fluoride corrosion between suspension bracket and carbon fibre anode, the electroconductibility between enhanced carbon fiber and suspension bracket, reduces the resistance of contact surface, reduce thermal value, reduce the phenomenon of carbon anode burning.
Electrode described in the utility model compared with prior art, has following advantage:
(1) fluorine anode processed of the present utility model increases the flexible conducting material of one deck energy fluorine-resistant or hydrogen fluoride corrosion between suspension bracket and carbon fibre anode in using, strengthen the adaptation between positive plate and suspension bracket, reduce the resistance of contact surface, improve electroconductibility, reduce thermal value, ensure that the conducting of contact surface big current, thus decrease fluorine anodic polarization processed and Anode carbon block burning and produce CF
4deng the phenomenon of impurity.
(2) carbon fibre anode plate or carbon fiber reinforced carbonaceous positive plate intensity high, higher current density can be born; Non-graphitized degree is high, the not easily polarization in fluorine cell, is not easily formed thick " passivation layer ", and without obvious " anode effect ", the life-span is long.
(3) because carbon fibre anode material or carbon fiber reinforced carbonaceous have higher intensity than conventional carbonaceous positive plate, the thickness comparable conventional carbonaceous positive plate minimizing 1/4 ~ 1/3 of the carbon anode for fluorine production plate utilizing this material to prepare is even more, thus reduce the volume taking fluorine cell, further energy reduces fluorine electrolysis anode and cathode voltage processed, reduces fluorine cost processed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model electrolysis fluorine anode.
Fig. 2 is electrolysis fluorine anode construction diagrammatic side views.
In figure: 1-positive plate 2-suspension bracket 3-clamping plate 4-flexible conducting material 5-bolt
Embodiment
Below in conjunction with embodiment, the utility model is described further.
As shown in drawings: electrolysis fluorine carbon fibre anode plate adopts carbon fibre anode material or carbon fiber reinforced carbonaceous anode material, is applied in fluorine cell.Anode construction comprises: carbon fiber board 1, copper suspension bracket 2, copper clamping plate 3, graphite pads 4, bolt 5.
Carbon fiber board is bolted on copper suspension bracket by copper clamping plate profit, flexible graphite paper or Graphite pad is provided with between copper suspension bracket and carbon fibre anode, improve the electroconductibility of contact surface, reduce due to carbon anode and copper suspension bracket junction poor electric conductivity, the problems such as the local electrical resistance caused increase, positive plate heating, carbon anode burning and carbon anode fracture.
Embodiment 1
The fluorine cell carbon fibre anode plate shown in the present embodiment is utilized to carry out electrolytic trial, carbon fibre anode board size 600mm × 300mm × 15mm, warm carbon steel electrolyzer during electrolyzer adopts, electrolysis temperature controls at 80 ~ 110 DEG C, the contact surface of carbon fiber board and copper suspension bracket uses electrically conductive graphite pad to increase electroconductibility, and electrolyzer operation result is as shown in table 1.
Table 1 electrolyzer operation result
| Electric current/A | Current density/A/cm 2 | Anode voltage/V | Cathode voltage/V |
| 60 | 0.019 | 5.1 | 0.5 |
| 180 | 0.056 | 5.7 | 0.7 |
| 300 | 0.093 | 6.3 | 1.1 |
| 500 | 0.154 | 6.7 | 1.5 |
| 700 | 0.216 | 6.9 | 2.9 |
| 800 | 0.247 | 7.2 | 3.2 |
| 1000 | 0.309 | 7.3 | 3.5 |
| 1200 | 0.370 | 7.6 | 3.9 |
| 1500 | 0.463 | 8.0 | 4.3 |
Prior art display current density is at 0.07A/cm
2~ 0.2A/cm
2during scope, the voltage of fluorine electricity groove processed is 8.5V ~ 13.0V; At present, the effective current density range of fluorine carbon anode plate processed is at 0.07 ~ 0.150A/cm
2, generally at 0.1A/cm
2left and right.
The present embodiment carbon fibre anode plate is applied in electrolyzer operation, and the highest current density that carbon fibre anode plate can reach is 0.463A/cm
2, the current density range of its steady running is at 0.15 ~ 0.25A/cm
2, higher than fluorine carbon anode plate processed 0.07 ~ 0.15A/cm in prior art
2current density, being close to is 2 times of existing fluorine carbon plate processed.
Existing industrial fluorine carbonaceous anode (600mm × 300mm × 70mm) current density processed is generally at 0.07 ~ 0.15A/cm
2voltage is generally at about 8.5 ~ 9.5v, compare under same current density condition than the utility model carbon fiber fluorine anode processed, voltage height about about 1 ~ 1.5v, show that graphite pads can improve the electroconductibility between carbon fiber board and copper suspension bracket, electrolysis fluorine anode prepared by carbon fibre anode material or carbon fiber reinforced carbonaceous positive plate has the superiority of low voltage.Loss of voltage decreases the phenomenon that polarization occurs electric groove, and also reduce the local electrical resistance caused due to carbon anode and the junction loose contact of copper suspension bracket increases simultaneously, solves carbon anode and burns and the problem of carbon anode rupture life reduction, effectively can also reduce CF
4etc. foreign gas content.
Claims (4)
1. an electrolysis fluorine anode, be made up of positive plate (1), suspension bracket (2), flexible conducting material (4) and clamping plate (3), electro-conductive material is located between carbon fibre anode plate and suspension bracket, and carbon fibre anode plate and flexible conducting material are fixed on suspension bracket by bolt (5) by clamping plate.
2. electrolysis fluorine anode according to claim 1, described flexible conducting material is silver foil, nickel or copper coating, Graphite pad one or a combination set of.
3. electrolysis fluorine anode according to claim 1, described positive plate is the carbon fibre anode plate that carbon fibre material or carbon fiber reinforced carbonaceous material are made.
4. electrolysis fluorine anode according to claim 1, bolt and clamping plate are copper, nickel material or carbon fibre material are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520028227.7U CN204434734U (en) | 2015-01-07 | 2015-01-07 | A kind of electrolysis fluorine anode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520028227.7U CN204434734U (en) | 2015-01-07 | 2015-01-07 | A kind of electrolysis fluorine anode |
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| CN204434734U true CN204434734U (en) | 2015-07-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532289A (en) * | 2015-01-07 | 2015-04-22 | 黎明化工研究设计院有限责任公司 | Anode for electrolysis fluorine preparation |
-
2015
- 2015-01-07 CN CN201520028227.7U patent/CN204434734U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532289A (en) * | 2015-01-07 | 2015-04-22 | 黎明化工研究设计院有限责任公司 | Anode for electrolysis fluorine preparation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210518 Address after: 471012 No.12 Daonan Road, Jili District, Luoyang City, Henan Province Patentee after: Haohua Gas Co.,Ltd. Address before: 471000 No. 69 Wangcheng Avenue, Luoyang, Henan Patentee before: LIMING Research Institute OF CHEMICAL INDUSTRY |
|
| TR01 | Transfer of patent right |