CN213013121U - Electrochemical fluorination embedded type external circulation series electrolytic cell - Google Patents
Electrochemical fluorination embedded type external circulation series electrolytic cell Download PDFInfo
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- CN213013121U CN213013121U CN202021097671.1U CN202021097671U CN213013121U CN 213013121 U CN213013121 U CN 213013121U CN 202021097671 U CN202021097671 U CN 202021097671U CN 213013121 U CN213013121 U CN 213013121U
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Abstract
The utility model discloses an embedded external circulation series electrolytic tank for electrochemical fluorination in the technical field of electrochemical fluorination of organic matters, which comprises a clean discharge assembly, a tank body bottom plate, a liquid inlet assembly, a polar plate support body, an insulating support plate, an insulating side plate, a tank body side plate, a left cathode polar plate, a bipolar plate, a polytetrafluoroethylene anti-corrosion sleeve, a tank body lower flange, an insulating sealing gasket, a tank cover, a tank body fastener, a middle polar plate, an anode electric assembly, a liquid outlet assembly, a cathode electric assembly, a right anode electric assembly, a tank body I-steel and a right anode polar plate, wherein the liquid outlet assembly is arranged on the outer wall of the top of the tank cover, meanwhile, the risk of mutual mixing and detonation of the electrolyte and the refrigerant in the tank body is eliminated.
Description
Technical Field
The utility model relates to the technical field of electrochemical fluorination of organic matters, in particular to an electrochemical fluorination embedded type external circulation series electrolytic cell.
Background
The electrochemical fluorination of organic matters is an effective way for introducing fluorine atoms into the organic matters by utilizing electrode reaction, and is represented as follows: the electrolytic cell is composed of a cell cover, an insulating sealing gasket, a cell body, a cell bottom plate, an anode assembly, a cathode assembly, a serpentine cooler, a reflux cooler, a feeding pipe, a discharging pipe, a power supply lead plate and the like, wherein the cathode assembly and the anode assembly are alternately, crossly and vertically suspended in the electrolytic cell, an electrochemically fluorinated medium is anhydrous hydrogen fluoride with strong corrosivity, the cell body of the electrolytic cell is made of anhydrous hydrogen fluoride corrosion resistant materials, an electrolytic anode is usually made of nickel materials, an electrolytic cathode can be made of nickel or carbon steel materials, and heat generated in the electrolytic process is removed by a cooling jacket. The Simmons electrolytic cell is a unipolar electrolytic cell, each electrode assembly is connected in parallel to a low-voltage direct-current power supply through a binding post, the polarities of the two surfaces of the electrodes are the same, namely, the two surfaces of the electrodes are a cathode or an anode simultaneously, the unipolar characteristic of a polar plate of the Simmons electrolytic cell is realized, a plurality of electrolytic cells are required to be connected in parallel in large-scale production, so that the electrolytic cell supplies low voltage and large current, a power supply line and a power bus are required to be greatly input, the electric loss of the line is serious, the Simmons electrolytic cell puts heat management and the electrodes into a container, the risk of mutual series connection of electrolyte and refrigerant exists, the upper part of the electrolytic cell is provided with a cathode and an anode gas phase space, the popping phenomenon easily occurs, the series connection organic matter fluorination electrolytic cell clamped by a pull rod, a nut and a disc spring is adopted, the leakage of the cell body caused by the, the invention provides an electrochemical fluorination embedded external circulation series electrolytic cell, which is extremely harmful to people and environment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an embedded extrinsic cycle series connection electrolysis trough is fluoridized to the electrochemistry to solve the problem that proposes among the above-mentioned background art.
The electrochemical fluorination embedded type external circulation series connection electrolytic tank comprises a tank body bottom plate, and is characterized in that: four groups of tank body side plates are arranged on the top surface of the tank body bottom plate; the bottom plate of the tank body is provided with a clean discharge assembly, the lower part of the side plate of the tank body on the left side is provided with a liquid inlet assembly, two layers of supporting parts are arranged in the tank body consisting of the four groups of side plates of the tank body and above the liquid inlet assembly, and a polar plate supporting body and an insulating supporting plate are respectively arranged from bottom to top; four groups of insulation side plates are arranged at the four edges of the top surface of the insulation support plate; the top surface of the insulating support plate is provided with a plurality of polar plates, namely a left cathode polar plate, a plurality of bipolar plates and a right anode polar plate from left to right; an electrolysis cell is formed between the adjacent polar plates; a plurality of liquid inlet channels are uniformly formed in the polar plate supporting body and the insulating supporting plate, and each liquid inlet channel is communicated with one small electrolysis chamber;
the top of the left cathode plate is fixedly connected with the left cathode electrical component, the top of the right anode plate is connected with the right anode electrical component, and a middle plate in the bipolar plate is connected with the anode electrical component; the left cathode polar plate, the bipolar plate and the right anode polar plate are fixed in position by embedding the insulating side plate into the groove; the top ends of the four groups of groove body side plates are provided with groove covers, and the center of the top parts of the groove covers is provided with a liquid outlet assembly;
the liquid inlet assembly and the liquid outlet assembly are connected with an external cooling assembly and a circulating pipeline, anode gas and cathode gas wrapped with electrolyte enter the circulating pipeline through the liquid outlet assembly, and the electrolyte cooled and recycled by the cooling assembly returns to the electrolytic cell through the liquid inlet assembly.
Further, the cathode electric assembly, the right anode electric assembly and the anode electric assembly all extend to the outside of the tank body side plate on the rear side and are fixedly connected with the tank body side plate through flanges or flat shoulder threads.
Furthermore, the top ends of the left cathode polar plate, the bipolar plate and the right anode polar plate are provided with a polytetrafluoroethylene anti-corrosion sleeve, and the top ends of the left cathode polar plate, the bipolar plate and the right anode polar plate are all inserted in the inner cavity of the polytetrafluoroethylene anti-corrosion sleeve.
Furthermore, the tetrafluoro anticorrosion sleeve is made of polytetrafluoroethylene, polychlorotrifluoroethylene or ethylene-tetrafluoroethylene copolymer.
Furthermore, a tetrafluoro clapboard is arranged in a slot for fixing the polar plate in the insulating side plate.
Furthermore, the distance between the polar plates is 2-8 mm, and the current density is 5-100 mA/cm2。
Furthermore, the bottom of the bottom plate of the groove body is provided with groove body I-shaped steel in the left and right equal distance.
Further, the top of the outer wall of the side plate of the groove body is fixedly connected with the lower flange of the groove body, the bottom of the groove cover is fixedly connected with the lower flange of the groove body through a groove body fastener, and an insulating sealing gasket is arranged at the joint between the groove cover and the lower flange of the groove body.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) according to the embedded series electrolytic cell, the cooling pipe is separated from the electrode, and heat management is carried out on the external cooler through external circulation of the electrolyte, so that the whole electrolytic cell is compact in structure and efficient in electrolysis; meanwhile, the risk of mutual mixing and detonation of the electrolyte and the refrigerant in the tank body is eliminated. In addition, the polar plate is fixed by adopting a slotting mode, and the defect that the polar plate is connected with a series electrolytic tank through a pull rod or hydraulic pressure and is easy to corrode and leak is overcome.
(3) In a preferred scheme, insulating backup pad forms insulating protective sheath with insulating curb plate, prevents that the polar plate supporter from being even electrified with the cell body curb plate, increases the security that the device used.
(4) In a preferred embodiment, the insulating support plate and the plate support body are provided with a plurality of identical elongated liquid inlet channels, and each elongated liquid inlet channel corresponds to one small chamber, so that the electrolyte can be uniformly distributed to each small chamber through the elongated channels.
(5) The top ends of the cathode plate and the anode plate are provided with tetrafluoro isolating sleeves, the connecting part of the tetrafluoro isolating sleeves and the insulating side plate is also provided with tetrafluoro clapboards, and each electrode plate is isolated and insulated through tetrafluoro isolating materials.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial schematic view of FIG. 1;
FIG. 3 is a schematic view of the tetrafluoro antiseptic sleeve 10 of FIG. 1;
fig. 4 is a top view of the present invention;
fig. 5 is a left side view of the present invention.
In the figure: 1. discharging the component; 2. a tank body bottom plate; 3. a liquid inlet component; 4. a pole plate support; 5. an insulating support plate; 6. an insulating side plate; 7. a tank body side plate; 8. a left cathode plate; 9. a bipolar plate; 10. a polytetrafluoroethylene anti-corrosion sleeve; 11. a groove body lower flange; 12. an insulating gasket; 13. a slot cover; 14. a slot fastener; 15. a middle polar plate; 16. an anodic electrical component; 17. a liquid outlet assembly; 18. a cathode electrical component; 19. a right anodic electrical component; 20. channel body I-steel; 21. and a right anode plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in FIGS. 1 to 5: the utility model provides an embedded extrinsic cycle series connection electrolysis trough of electrochemistry fluorination, the structure is as follows:
four groups of tank body side plates 7 are arranged around the top surface of the tank body bottom plate 2, and the tank body side plates 7 are fixedly connected with the tank body bottom plate 2. Four groups of tank body side plates 7 enclose a rectangular tank body of the electrolytic tank. For convenience of description, four groups of tank body side plates 7 are defined as a left tank body side plate, a right tank body side plate, a front tank body side plate and a rear tank body grid plate according to the position of the figure. The tank body bottom plate 2 and the tank body side plate 7 are made of iron, nickel or Monel materials, and electric equipment related in the device is electrically connected with an external power switch through a lead.
Referring to fig. 1 and 2, a discharging assembly 1 is arranged on one side of a tank body bottom plate 2 close to a left tank body side plate 7, the discharging assembly 1 is welded on the tank body bottom plate 2 and used for discharging electrolyte inside the device when cleaning a tank or maintaining the tank, a liquid inlet assembly 3 is arranged on the lower portion of the left tank body side plate 7, and the liquid inlet assembly 3 is welded on the left tank body side plate 7 and used for adding electrolyte into the device.
Referring to fig. 1, two layers of supporting members are arranged in the tank body consisting of four groups of tank body side plates 7 and above the liquid inlet assembly 3, and are respectively a pole plate supporting body 4 and an insulating supporting plate 5 from bottom to top. In this embodiment, the plate support 4 and the insulating support plate 5 are in contact with each other. The polar plate support body 4 is fixedly connected with the tank body side plate 7, and the material of the polar plate support body 4 is consistent with that of the tank body side plate 7. Four sets of insulating curb plates 6 are provided with at four borders on 5 top surfaces of insulating backup pad, and insulating backup pad 5 and insulating curb plate 6 fixed connection, insulating backup pad 5, insulating curb plate 6 material are polytetrafluoroethylene, polytrifluorochloroethylene or ethylene-tetrafluoroethylene copolymer, prevent that polar plate supporter 4 and cell body curb plate 7 from being even electric, increase the security of device use. Liquid inlet channels are uniformly formed in the pole plate supporting body 4 and the insulating supporting plate 5, and the liquid inlet component 3, the pole plate supporting body 4 and the insulating supporting plate 5 form the liquid inlet channels of electrolyte, so that the electrolyte enters the small electrolysis chamber between the pole plates of the electrolytic cell. Preferably, the insulating support plate 5 and the plate support 4 are provided with a plurality of identical elongated liquid inlet channels, each liquid inlet channel is communicated with one electrolysis cell, and the electrolyte is uniformly distributed to each electrolysis cell through the elongated channels.
Referring to fig. 1 to 5, in the electrolytic cell body, each electrode plate is arranged at equal intervals to form a plurality of electrolytic cells. In the view direction shown in fig. 1, the left-most side is a left cathode plate 8, the right-most side is a right anode plate 21, and a bipolar plate 9 is arranged between the left cathode plate 8 and the right anode plate 21. One side of the bipolar plate 9 is an anode and the other side is a cathode. The left cathode plate 8, the right anode plate 21 and the bipolar plate 9 form a plurality of electrolysis cells, each of which has a cathode on one side and an anode on the other side. The top of the left cathode plate 8 is connected to the cathode electrical assembly 18, the top of the right anode plate 21 is connected to the right anode electrical assembly 19, and the top of the middle plate 15 in the bipolar plate 9 is connected to the anode electrical assembly 16. Cathode electrical component 18, right anode electrical component 19 and anode electrical component 16 all extend outside rear side cell body side plate 7, and all are through flange and cell body side plate 7 fixed connection for fix cathode electrical component 18, right anode electrical component 19 and anode electrical component 16 on cell body side plate 7. The left cathode plate 8, the right anode plate 21 and the bipolar plate 9 are made of copper, nickel or Monel.
The top ends of the four groups of tank body side plates 7 are provided with tank covers 13, the center of each tank cover 13 is provided with a liquid outlet assembly 17, the liquid outlet assemblies 17 are welded on the tank covers 13, the liquid outlet assemblies 17 and the liquid inlet assembly 3 are made of the same material, and the material is low alloy steel, stainless steel or Monel. The liquid outlet component 17 and the liquid inlet component 3 are the outlet and supply channels of the electrolytic cell. The outer wall of the bottom of the tank body bottom plate 2 is provided with the tank body I-steel 20, the tank body I-steel 2017 is welded at the bottom of the tank body bottom plate 2, the supporting effect is achieved, the contact area of the tank body bottom plate 2 and the wet ground is reduced, and the heat dissipation effect is good. The tank body bottom plate 2, the tank body side plate 7 and the tank cover 13 form a sealed container. The top of the outer wall of the side plate 7 of the tank body is fixedly connected with a lower flange 11 of the tank body, the lower flange 11 of the tank body is welded on the outer wall of the side plate 7 of the tank body, a tank cover 13 is fixedly connected with the lower flange 11 of the tank body through a tank body fastening piece 14, and an insulating sealing gasket 12 is arranged at the joint between the tank cover 13 and the lower flange 11 of the tank body.
Referring to fig. 3, the top ends of the left cathode plate 8, the right anode plate 21 and each bipolar plate 9 are provided with a tetrafluoro anticorrosion sleeve 10, the top ends of the left cathode plate 8, the right anode plate 21 and each bipolar plate 9 are inserted into the inner cavity of the tetrafluoro anticorrosion sleeve 10, each plate is isolated and insulated by the tetrafluoro anticorrosion sleeve 10, and the tetrafluoro anticorrosion sleeve 10 is made of one or more of polytetrafluoroethylene, polychlorotrifluoroethylene or ethylene-tetrafluoroethylene copolymer. And the connecting parts of the left cathode plate 8, the bipolar plate 9, the right anode plate 21 and the insulating side plate 6 are provided with slots, so that the left cathode plate 8, the bipolar plate 9 and the right anode plate 21 are fixed in the slots of the insulating side plate 6 in an embedded manner. And a tetrafluoro clapboard is arranged in the groove.
The bottom plate 2, the side plate 7, the lower flange 11 of the tank body are welded with the tank cover 13 and the insulating sealing gasket 12 to form an embedded container through tank body fasteners 14, the liquid inlet component 3 and the liquid outlet component 17 are respectively welded on the side plate 7 and the tank cover 13 of the tank body, and the material is low alloy steel, stainless steel or Monel, which is a feeding channel and a discharging channel of the electrolytic tank. The liquid outlet assembly 17 and the liquid inlet assembly 3 are arranged in the directions of taking the circulation of the electrolyte into consideration and adopting a mode of feeding in and feeding out, the inter-polar distance of the small electrolytic chambers is 2-8 mm, and the current density is 5-100 mA/cm2。
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An embedded extrinsic cycle series connection electrolysis trough of electrochemistry fluorination, includes cell body bottom plate (2), its characterized in that: four groups of tank body side plates (7) are arranged on the top surface of the tank body bottom plate (2); the tank body bottom plate (2) is provided with a clean discharge assembly (1), the lower part of the tank body side plate (7) on the left side is provided with a liquid inlet assembly (3), two layers of supporting parts are arranged in a tank body formed by four groups of tank body side plates (7) and above the liquid inlet assembly (3), and a polar plate supporting body (4) and an insulating supporting plate (5) are respectively arranged from bottom to top; four groups of insulating side plates (6) are arranged at four edges of the top surface of the insulating support plate (5); the top surface of the insulating support plate (5) is provided with a plurality of polar plates, namely a left cathode polar plate (8), a plurality of bipolar plates (9) and a right anode polar plate (21) from left to right; an electrolysis cell is formed between the adjacent polar plates; a plurality of liquid inlet channels are uniformly formed in the polar plate supporting body (4) and the insulating supporting plate (5), and each liquid inlet channel is communicated with one small electrolysis chamber;
the top of the left cathode plate (8) is fixedly connected with a left cathode electrical component (18), the top of the right anode plate (21) is connected with a right anode electrical component (19), and a middle plate (15) in the bipolar plate (9) is connected with an anode electrical component (16); the left cathode plate (8), the bipolar plate (9) and the right anode plate (21) are fixed in position by embedding the insulating side plate (6) into the groove; a groove cover (13) is arranged at the top ends of the four groups of groove body side plates (7), and a liquid outlet assembly (17) is arranged in the center of the top of the groove cover (13);
the liquid inlet component (3) and the liquid outlet component (17) are connected with an external cooling component and a circulating pipeline, anode gas and cathode gas wrapped with electrolyte enter the circulating pipeline through the liquid outlet component (17), and the electrolyte cooled and recycled by the cooling component returns to the electrolytic tank through the liquid inlet component (3).
2. The electrochemical fluorination embedded external circulation series electrolytic cell of claim 1, wherein: the cathode electrical component (18), the right anode electrical component (19) and the anode electrical component (16) all extend out of the tank body side plate (7) on the rear side and are fixedly connected with the tank body side plate (7) through flanges.
3. The electrochemical fluorination embedded external circulation series electrolytic cell of claim 1, wherein: the top ends of the left cathode plate (8), the bipolar plate (9) and the right anode plate (21) are provided with a tetrafluoro anticorrosion sleeve (10), and the top ends of the left cathode plate (8), the bipolar plate (9) and the right anode plate (21) are all inserted into the inner cavity of the tetrafluoro anticorrosion sleeve (10).
4. An electrochemical fluorination embedded external circulation series electrolytic cell according to claim 3, wherein: the material of the tetrafluoro anticorrosion sleeve (10) is polytetrafluoroethylene, polychlorotrifluoroethylene or ethylene-tetrafluoroethylene copolymer.
5. The electrochemical fluorination embedded external circulation series electrolytic cell of claim 1, wherein: a tetrafluoro clapboard is arranged in a slot used for fixing the polar plate in the insulation side plate (6).
6. The electrochemical fluorination embedded external circulation series electrolytic cell of claim 1, wherein: the distance between the polar plates is 2-8 mm, and the current density is 5-100 mA/cm2。
7. The electrochemical fluorination embedded external circulation series electrolytic cell of claim 1, wherein: the left and right sides of the bottom of the tank body bottom plate (2) are equidistantly provided with tank body I-shaped steel (20).
8. The electrochemical fluorination embedded external circulation series electrolytic cell of claim 1, wherein: the groove body side plate (7) outer wall top and groove body lower flange (11) fixed connection, the bottom of the groove cover (13) is fixedly connected with the groove body lower flange (11) through a groove body fastening piece (14), and an insulating sealing gasket (12) is arranged at the joint between the groove cover (13) and the groove body lower flange (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021097671.1U CN213013121U (en) | 2020-06-15 | 2020-06-15 | Electrochemical fluorination embedded type external circulation series electrolytic cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021097671.1U CN213013121U (en) | 2020-06-15 | 2020-06-15 | Electrochemical fluorination embedded type external circulation series electrolytic cell |
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| CN213013121U true CN213013121U (en) | 2021-04-20 |
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| CN202021097671.1U Active CN213013121U (en) | 2020-06-15 | 2020-06-15 | Electrochemical fluorination embedded type external circulation series electrolytic cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU222378U1 (en) * | 2023-11-07 | 2023-12-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева" (РХТУ им. Д.И. Менделеева) | Filter-press electrolyzer for the production of peroxodisulfuric acid |
-
2020
- 2020-06-15 CN CN202021097671.1U patent/CN213013121U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU222378U1 (en) * | 2023-11-07 | 2023-12-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева" (РХТУ им. Д.И. Менделеева) | Filter-press electrolyzer for the production of peroxodisulfuric acid |
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Address after: 057550 No. five Weir Road, chemical industry gathering area, Feixiang District, Handan, Hebei, 1 Patentee after: China shipbuilding (Handan) Perry Special Gas Co.,Ltd. Address before: No.1 Weiwu Road, chemical industry gathering area, Feixiang County, Handan City, Hebei Province Patentee before: PERIC SPECIAL GASES Co.,Ltd. |
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