CN211947245U - Electrolytic electrode structure for electrolyzing sodium chlorate - Google Patents
Electrolytic electrode structure for electrolyzing sodium chlorate Download PDFInfo
- Publication number
- CN211947245U CN211947245U CN202020504384.1U CN202020504384U CN211947245U CN 211947245 U CN211947245 U CN 211947245U CN 202020504384 U CN202020504384 U CN 202020504384U CN 211947245 U CN211947245 U CN 211947245U
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- Prior art keywords
- electrode
- hole
- sodium chlorate
- electrode structure
- electrolytic
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- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 30
- 238000003825 pressing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 229920001973 fluoroelastomer Polymers 0.000 claims description 3
- YADSGOSSYOOKMP-UHFFFAOYSA-N lead dioxide Inorganic materials O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- BAZAXWOYCMUHIX-UHFFFAOYSA-M sodium perchlorate Chemical compound [Na+].[O-]Cl(=O)(=O)=O BAZAXWOYCMUHIX-UHFFFAOYSA-M 0.000 description 6
- 229910001488 sodium perchlorate Inorganic materials 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- AXZAYXJCENRGIM-UHFFFAOYSA-J dipotassium;tetrabromoplatinum(2-) Chemical compound [K+].[K+].[Br-].[Br-].[Br-].[Br-].[Pt+2] AXZAYXJCENRGIM-UHFFFAOYSA-J 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910001487 potassium perchlorate Inorganic materials 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model discloses an electrolysis electrode structure for electrolytic sodium chlorate, including negative pole and positive pole, the negative pole includes electrically conductive connecting piece, clamping ring, a plurality of first electrode stick and support ring, and electrically conductive connecting piece has an annular portion and a vertical portion, and the perpendicular annular portion of vertical portion is provided with the bar hole in the vertical portion, and annular portion middle part has a round hole, is provided with a ring channel in the annular portion, and the equipartition has a plurality of through-holes in the ring channel, and first electrode stick one end is provided with the end, all installs one in each through-hole first electrode stick, and the end of first electrode stick presses on the ring channel, the clamping ring passes through the mounting screw in annular portion, and the clamping ring tightly presses the end of first electrode stick in the ring channel, be provided with the spacing hole that corresponds with the through-hole on the support ring channel. The utility model is used for electrolysis sodium chlorate solution, this electrode structure have the electrolysis efficient, and is small, installs convenient advantage, can effectual improvement electrolysis efficiency.
Description
Technical Field
The utility model relates to an electrolysis electrode structure, concretely relates to electrolysis electrode structure for electrolysis sodium chlorate.
Background
The combined production method is adopted to produce the potassium perchlorate, firstly sodium perchlorate is prepared by electrolyzing sodium chlorate, then the potassium perchlorate is produced by double decomposition reaction of the sodium perchlorate and potassium chloride, then the mother liquor of double decomposition of the potassium perchlorate is used for preparing electric water, the matched electric water is used for electrolyzing to prepare the sodium chlorate, and then the sodium chlorate is returned to electrolyze the sodium chlorate to prepare the sodium perchlorate, the whole process water is circulated in a closed circuit, and the sodium chlorate is used as an intermediate product for production.
Electrolytic sodium perchlorate workshop section: adding water (evaporating condensed water and deionized water) into a sodium dissolving tank to dissolve sodium chlorate crystals (until the sodium chlorate crystals are dissolved to about 600g/L of NaClO 3), pumping sodium liquid into a sodium liquid head tank, and then introducing into a potassium perchlorate production device for electrolysis. The electrolytic cell is electrified with direct current, the sodium chlorate solution is electrolyzed to generate sodium perchlorate solution (electric water) and hydrogen, and the hydrogen is condensed and washed by alkali to remove trace chlorine and then is discharged after reaching the standard. Each electrolytic cell generates hydrogen containing trace chlorine, the hydrogen is respectively led out of a roof platform (elevation +8m) through a pipeline, enters a roof gas collecting pipe, is sent to an alkali liquor spray tower beside an electrolytic area, and is subjected to alkali washing and then is intensively discharged through a 25m high exhaust funnel. The washing liquid is pumped into a circulating tank by a pump for recycling and periodic discharge, the main components are NaClO and water, and the waste water is reused for production.
The refined electricity water is electrolyzed to generate chlorine at the anode and then converted into sodium perchlorate by liquid phase chemical reaction, and hydrogen is generated at the cathode.
The main reaction formula is as follows:
an electrolysis process:
and (3) anode reaction: 2Cl－→Cl2↑+2eE·＝1.36V
And (3) cathode reaction: 2H2O+2e→H2↑+2OH－
In the process of electrolyzing sodium chlorate, the electrode structure has great influence on the electrolysis process; in the prior art, the cathode and the anode are generally electrified directly to carry out electrolysis, but in the actual electrolysis process, the electrolysis surface is small, and the electrolysis process is slow. The common treatment mode is to increase the cathode and the anode to increase the electrolysis area so as to increase the electrolysis rate; in addition, the electrodes in the prior art are bulky: in order to increase the electrolytic area, the electrode plates are adopted, so that the occupied space in the electrolytic tank is large, and meanwhile, the solution flows in the electrolytic tank unsmoothly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electrolysis electrode structure for electrolytic sodium chlorate, this electrolysis electrode structure is used for electrolysis sodium chlorate solution, and this electrode structure has the electrolysis efficient, and is small, compact structure, and the convenient advantage of installation can effectual improvement electrolytic efficiency.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
an electrolytic electrode structure for electrolyzing sodium chlorate comprises a cathode and an anode, wherein the cathode comprises a conductive connecting piece, a pressing ring, a plurality of first electrode rods and a support ring, the conductive connecting piece is provided with an annular part and a vertical part, the vertical part is vertical to the annular part, a strip-shaped hole is formed in the vertical part, a round hole is formed in the middle of the annular part, an annular groove is formed in the annular part, a plurality of through holes are uniformly distributed in the annular groove, one end of each first electrode rod is provided with an end head, each through hole is internally provided with one first electrode rod, the end head of each first electrode rod is pressed on the annular groove, the pressing ring is arranged on the annular part through a screw, the end heads of the first electrode rods are tightly pressed in the annular groove through the pressing ring, a limiting hole corresponding to the through hole is formed in the support ring, and the first electrode rods; the annular part is provided with at least two positioning holes,
the positive pole includes second electrode bar, holder and insulating cylinder, the insulating cylinder upper end is provided with the turn-ups, and the insulating cylinder cover back turn-ups is pressed on the clamping ring on the second electrode bar, and the holder centre gripping is provided with first bar hole at second electrode bar tip on the holder, is provided with the extension on the holder, is provided with the insulating guide post that can correspond with the locating hole on the extension, insulating guide post can pass the locating hole.
The number of the positioning holes and the number of the insulating guide columns are two.
In the present invention, the insulating cylinder is made of a fluororubber material.
Wherein the second electrode rod comprises a hollow ceramic tube coated with PbO2And (4) coating.
Further, the first electrode rod is made of a stainless steel material or a lead material.
Preferably, the annular groove is coated with a conductive paste, and the conductive paste coats the end of the first electrode rod.
Further preferably, a conductive paste is coated between the clamping piece and the second electrode rod.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model has the advantages of small volume and compact structure, each second electrode bar corresponds to a plurality of first electrode bars, and the electrolysis area is greatly increased; and because of its compact structure, small, can mount a plurality of electrode structures in the same electrolytic cell; the first electrode bar surrounds the second electrode bar, so that the electrolysis efficiency can be effectively improved.
Meanwhile, the first electrode bar is pressed in the annular groove through the arranged pressing ring, so that the first electrode bar is in closer contact with the conductive connecting piece, the contact resistance is reduced, and the heating value can be effectively reduced; and the contact resistance is further reduced, the electrical loss is reduced, and the heating value of the contact point is reduced by coating the conductive paste.
More importantly, the utility model discloses a mode that sets up locating hole and insulating guide post makes the second electrode stick can not take place to contact with first electrode stick at the in-process that uses for first electrode stick can be fixed with the position of second electrode stick, avoids leading to first electrode stick and second electrode stick contact or close too closely when the installation after the insulating cylinder pressurized deformation, influences the normal clear of electrolysis process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in 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 for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the cathode of the present invention.
Fig. 3 is a schematic view of the cathode structure of fig. 2 with the clamping ring removed.
Fig. 4 is a schematic view of the overall structure of the anode of the present invention.
Reference numerals: 1 negative pole, 2 positive poles, 3 electrically conductive connecting piece, 301 clamping ring, 4 first electrode bar, 5 support rings, 6 annular parts, 7 vertical portions, 8 bar holes, 9 round holes, 10 bulges, 11 ends, 12 screws, 13 spacing holes, 14 locating holes, 15 second electrode bars, 16 clamping pieces, 17 insulating cylinders, 18 flanging, 19 first bar holes, 20 extending parts, 21 insulating guide posts, 22 first extending parts, 23 screw holes and 24 annular grooves.
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
The embodiment discloses an electrolytic electrode structure for electrolyzing sodium chlorate, which comprises a cathode 1 and an anode 2, wherein the cathode 1 comprises a conductive connecting piece 3, a press ring 301, a plurality of first electrode rods 4 and a support ring 5, the conductive connecting piece 3 is provided with an annular part 6 and a vertical part 7, the vertical part 7 is perpendicular to the annular part 6, a strip-shaped hole 8 is arranged on the vertical part 7, a round hole 9 is arranged in the middle of the annular part 6, an annular groove 24 is arranged on the annular part 6, a plurality of through holes are uniformly distributed in the annular groove 24, one end 11 is arranged at one end of each first electrode rod 4, one first electrode rod 4 is arranged in each through hole, the end 11 of each first electrode rod 4 is pressed on the annular groove 24, the press ring 301 is arranged on the annular part 6 through a screw 12, the press ring 301 tightly presses the end 11 of each first electrode rod 4 in the annular groove 24, a limit hole 13 corresponding to the through hole is arranged on the support ring, the first electrode rod 4 penetrates through a limiting hole 13 on the support ring 5; the annular portion 6 is provided with at least two positioning holes 14.
In this embodiment, the anode 2 includes the second electrode rod 15, the clamping member 16 and the insulating cylinder 17, the upper end of the insulating cylinder 17 is provided with the turned edge 18, the insulating cylinder 17 is sleeved on the second electrode rod 15, the turned edge 18 presses on the press ring 301, the clamping member 16 is clamped at the end of the second electrode rod 15, the clamping member 16 is provided with a first strip-shaped hole 19, the clamping member 16 is provided with an extending portion 20, the extending portion 20 is provided with an insulating guide post 21 capable of corresponding to the positioning hole 14, and the insulating guide post 21 can pass through the positioning hole 14.
Wherein: the insulating cylinder 17 is sleeved on the second electrode rod 15, and then the flanging 18 is pressed on the press ring 301, namely: after the second electrode rod 15 passes through the round hole 9 arranged in the middle of the annular part 6, the flanging of the insulating cylinder 17 is pressed on the press ring 301.
When in actual use, the two end parts of the pressing ring 301 are provided with first extending parts 22, the first extending parts 22 are provided with screw holes 23, the end parts of the annular parts 6, which are opposite to the vertical parts 7, are provided with protrusions 10, the protrusions 10 are also provided with the screw holes 23, and when the pressing ring 301 is pressed on the first electrode rod 4, the first extending parts 22 correspond to the protrusions 10 and are fixed through screws.
In this embodiment, the first electrode rod 4 is installed through the conductive connecting member 3, after the first electrode rod 4 passes through the circular hole 9, the end 11 contacts with the annular groove 24, then the end 11 is tightly pressed in the annular groove 24 through the pressing sheet, the first electrode rod 4 is fixed in the annular groove 24, then the suspended end of the first electrode rod 4 is fixed through the support ring 5, and the first electrode rod 4 is connected with the limit hole 13 in an interference fit manner, so that the other end of the first electrode rod 4 can be fixed, and the structure of the electrode rod is ensured to be more stable; the conductive connecting piece 3 is used for connecting with a conductive rod connected with a power supply; one end of the clamping piece 16 is used for being connected with another conducting rod connected with a power supply, the other end of the clamping piece is used for clamping and fixing the second electrode rod 15, and after the second electrode rod 15 penetrates through the round hole 9 in the middle of the annular part 6, the conducting connecting piece 3 and the second electrode rod 15 are isolated through the insulating cylinder 17, so that the second electrode rod 15 and the conducting connecting piece 3 cannot be in contact with each other, and the electrolysis is guaranteed. And the position between the clamping piece 16 and the conductive connecting piece 3 is relatively fixed through the matching of the arranged insulation guide rod and the positioning hole 14.
In this embodiment, there are two positioning holes 14 and two insulating guide posts 21.
The insulating cylinder 17 is made of a fluororubber material, so that a good insulating effect is guaranteed.
In this embodiment, the second electrode rod 15 comprises a hollow ceramic tube coated with PbO2Coating; the first electrode rod 4 is made of a stainless steel material or a lead material, and in this embodiment, the first electrode rod 4 is made of a lead material.
Preferably, the annular groove 24 is coated with a conductive paste, and the conductive paste coats the tip 11 of the first electrode rod 4; the conductive paste is coated between the clamping piece 16 and the second electrode rod 15, gaps can be filled through the set conductive paste, contact resistance is reduced, the conductive effect is better, and heat productivity is reduced.
It should be further noted that, in this embodiment, after the first electrode rod 4 is installed on the through hole, the end 11 of the first electrode rod 4 is tightly pressed in the annular groove 24 by the pressing ring 301, so as to achieve the fixed connection between the first electrode rod 4 and the conductive connecting member 3, and the speed is faster during installation and the installation efficiency is higher; and meanwhile, the first electrode rod 4 is fixed in a pressing mode, so that the first electrode rod 4 is in closer contact with the conductive connecting piece 3, the contact resistance is reduced, the electric energy loss is reduced, and the heating is realized.
Example 2
This embodiment is substantially the same as embodiment 1, except that: the first electrode rod 4 comprises a stainless steel rod body, a lead layer is coated on the stainless steel rod body, the thickness of the lead layer is 2-3mm, and the thickness of the lead layer is 1.5mm in the embodiment.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. The above description is only exemplary of the present invention and should not be taken as limiting, and all changes, equivalents, and improvements made within the spirit and principles of the present invention should be understood as being included in the scope of the present invention.
Claims (7)
1. An electrolytic electrode structure for electrolyzing sodium chlorate, which is characterized in that: the cathode comprises a conductive connecting piece, a pressing ring, a plurality of first electrode rods and a support ring, wherein the conductive connecting piece is provided with an annular part and a vertical part, the vertical part is vertical to the annular part, a strip-shaped hole is formed in the vertical part, a round hole is formed in the middle of the annular part, an annular groove is formed in the annular part, a plurality of through holes are uniformly distributed in the annular groove, one end of each first electrode rod is provided with an end head, each through hole is internally provided with one first electrode rod, the end heads of the first electrode rods are pressed on the annular groove, the pressing ring is installed on the annular part through screws, the end heads of the first electrode rods are tightly pressed in the annular groove by the pressing ring, a limiting hole corresponding to the through hole is formed in the support ring, and the first electrode rods penetrate through the limiting hole; the annular part is provided with at least two positioning holes,
the positive pole includes second electrode bar, holder and insulating cylinder, the insulating cylinder upper end is provided with the turn-ups, and the insulating cylinder cover back turn-ups is pressed on the clamping ring on the second electrode bar, and the holder centre gripping is provided with first bar hole and extension on the holder at second electrode bar tip, be provided with the insulating guide post that can correspond with the locating hole on the extension, insulating guide post can pass the locating hole.
2. The electrolytic electrode structure for sodium chlorate electrolysis according to claim 1, wherein: the number of the positioning holes and the number of the insulating guide posts are two.
3. The electrolytic electrode structure for sodium chlorate electrolysis according to claim 1, wherein: the insulating cylinder is made of a fluororubber material.
4. The electrolytic electrode structure for sodium chlorate electrolysis according to claim 1, wherein: the second electrode rod comprises a hollow ceramic tube, and the hollow ceramic tube is coated with PbO2And (4) coating.
5. The electrolytic electrode structure for sodium chlorate electrolysis according to claim 1, wherein: the first electrode rod is made of stainless steel materials or lead materials.
6. The electrolytic electrode structure for sodium chlorate electrolysis according to claim 1, wherein: the annular groove is coated with conductive paste, and the conductive paste coats the end head of the first electrode rod.
7. The electrolytic electrode structure for sodium chlorate electrolysis according to claim 1, wherein: and a conductive paste is coated between the clamping piece and the second electrode rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020504384.1U CN211947245U (en) | 2020-04-08 | 2020-04-08 | Electrolytic electrode structure for electrolyzing sodium chlorate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020504384.1U CN211947245U (en) | 2020-04-08 | 2020-04-08 | Electrolytic electrode structure for electrolyzing sodium chlorate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211947245U true CN211947245U (en) | 2020-11-17 |
Family
ID=73160031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020504384.1U Active CN211947245U (en) | 2020-04-08 | 2020-04-08 | Electrolytic electrode structure for electrolyzing sodium chlorate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211947245U (en) |
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- 2020-04-08 CN CN202020504384.1U patent/CN211947245U/en active Active
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