CN201080501Y - Electrode structure possessing build-in top gas separation chamber - Google Patents
Electrode structure possessing build-in top gas separation chamber Download PDFInfo
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- CN201080501Y CN201080501Y CNU2007200131164U CN200720013116U CN201080501Y CN 201080501 Y CN201080501 Y CN 201080501Y CN U2007200131164 U CNU2007200131164 U CN U2007200131164U CN 200720013116 U CN200720013116 U CN 200720013116U CN 201080501 Y CN201080501 Y CN 201080501Y
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Abstract
Disclosed is an electrode component provided with an internal top air separating chamber and used for an electrochemical apparatus. The utility model comprises a disc-shaped trough main body; a seal edge extended outside and arranged along the periphery of the disc; an porous electrode in the same level as the edge and covering the disc surface; a conductive supporting element connected between the electrode and the back wall of the disc; an inlet and an outlet respectively connected with the disc; a liquid distribution tube arranged at the lower part of the disc and connected with the inlet; and liquid distribution holes arranged on the liquid distribution tube. The utility model has the technical key points that a gas-liquid separating chamber is formed higher than the effective surface of a film by the back wall of the disc, and a trapezoidal section taken as the edge of the upper part of the positive electrode disc and/or the negative electrode disc and composed of sequentially formed by a horizontal plane, an upwards inclined plane and a horizontal plane sequentially from the direction close to the film to the direction far from the film; gas-liquid eduction tubes are respectively arranged between the outlet of the positive electrode disc and/or the outlet of the negative electrode disc and the gas-liquid separation chamber; a protective electrode inserted inside the gas-liquid ejection tube is connected with the upper part of the positive electrode disc. The utility model has the advantages of simple structure, stable operating performance, long service life and broad range for application.
Description
Technical field
The utility model belongs to the commercial power technical field of chemistry, specifically a kind of electrode member with inner tip gas separation chamber that is used for multipole type electrolyzer or fuel cell electrochemical appliance.
Background technology
In the electrochemical field of industrial application, though multipole type or acyclic type electricity groove, all negative electrode that separates by film and anode and for electrode provides the cathode compartment of liquid electrolytic environment and anolyte compartment to form, and film adopts ion-exchange membrane usually.
In patent documentation ZL 002294633.0, a kind of natural circulation multipole type electrolyzer that the outer loop member is arranged is disclosed.It is characterized in that there is the gas-liquid separator that links to each other with groove the groove top.
Because the advantage of multipole type is progressively excavated, shortcoming progressively overcomes, and it is widely adopted in current electrolytic industry.For example in the industrial production of electrolysis alkalescence metal chloride solutions, just extensively adopt ionic membrane multipole type electrolyzer.With regard to multipole type, two kinds of sealings and assembling form are arranged: close press formula and unit slot type (also claiming moudle type).
Can electrolytic environments whether good effectively steadily separate at the tank room top with the gas-liquid product and to discharge relevantly, and whether also soak into fully with pressure-stabilisation with film top simultaneously has substantial connection.
Unit slot type electrolyzer has adopted a lot of methods for solving the problem that soaks into of upper membrane.In patent documentation ZL 00807343.0, disclosing a kind of cathode compartment of discharging collecting chamber that has above electrolysis zone has the electrolyzer that concaves into to the outer lug anolyte compartment.In open source literature CN 1708604, a kind of modular electrolyzer that inner guide groove is arranged is disclosed, soak into fully under operation or dead ship condition for making diaphragm, be provided with guide groove at the tank room internal upper part, simultaneously the separable gas-liquid product of guide groove.
But the method that prior art and document are introduced, for effective discharge of gas-liquid product with separate, though several different methods was arranged, but limitation is also arranged, and as the structure in open source literature CN 1708604, guide groove is in electrode vessel, structure is comparatively complicated, and is limited to lifting of film upper limb liquid level and separated space; In patent documentation ZL 00807343.0, structure comparatively complexity is difficult to make.
Summary of the invention
The purpose of this utility model provides a kind of electrode member with inner tip gas separation chamber that is used for electrochemical appliance.
The purpose of this utility model is achieved in that it includes:
(a) plate-like electricity groove body;
(b) periphery around dish is provided with outward extending sealing the margin;
(c) porous electrode of the covering card concordant with the edge;
(d) conductive support elements between connection electrode and the dish rear wall;
(e) outlet that is connected with dish, an inlet is provided with and the liquid that enters the mouth and link to each other in the dish bottom
The body distribution piping has liquid distribution aperture on the liquid distribution piping;
It is characterized in that: as anode disc or/and the upper edge edge of cathode disc, promptly near film to away from the film direction, successively the trapezoid cross section of forming by horizontal plane, be inclined upwardly face and horizontal plane with coil rear wall and form the gas-liquid separation chamber that is higher than the film effective surface; Or/and be respectively arranged with a gas-liquid delivery line between cathode disc outlet and the gas-liquid separation chamber, be connected with a guard electrode that is inserted into the gas-liquid delivery line in anode disc outlet on anode disc top.
Element structure of the present utility model is based on that practical study achievement and experience drawn.
Above-mentioned gas-liquid separation chamber and the anode disc that is arranged on anode disc top is structure as a whole; And the gas-liquid separation chamber and the cathode disc that are arranged on cathode disc top are structure as a whole.
The gas-liquid separation chamber that the utility model has adopted the top with electrode tray one to have the broken line structure, electrode tray top near film to away from the film direction, the trapezoid cross section of being made up of horizontal plane, be inclined upwardly face and horizontal plane forms the gas-liquid separation chamber that is higher than the film effective surface with the dish rear wall successively, that can improve film like this effectively utilizes area, prolongs the life-span of film.Its advantage is that bright of first level can provide the space for compressing tongued and grooved flanges, to improve the intensity of flange; The face of face and second level of being inclined upwardly can provide the gas-liquid separation space effectively, makes gas-liquid separation chamber be higher than the effective surface of film, thereby improves the result of use of electrolyzer, the work-ing life of prolongation parts.Another advantage is that the gas-liquid delivery line can directly insert gas-liquid separation chamber, designs simplification.
As required, be provided with the gas-liquid flow deflector of curved surface between electrode plate and the electrode.Because the anode draining plate is a curved surface, be provided with cancellated broken indulging in serfing the Net between drain curved slab and the electrode plate, can effectively improve the separating effect of gas-liquid, improve the liquid specific gravity of anode draining plate liquid to the lower section, improve the impellent of internal recycling, help the stability and the gas-liquid mobile stability of internal pressure.A cancellated part as the support of electrode edge, can be built simplified construction, reduces cost.
Another characteristics of the utility model are to be provided with cancellated broken indulging in serfing the Net between anode disc upper board and the anode disc rear wall, can effectively improve the separating effect of the gas-liquid that enters into gas-liquid separation chamber, can not produce resistance simultaneously to the liquid of cyclic part, improve the speed of internal recycling, help the stability and the gas-liquid mobile stability of internal pressure.A cancellated part as the support of electrode edge, can be built simplified construction, reduces cost.
Another advantage of the present utility model is, adopted to be connected with a guard electrode that is inserted into the gas-liquid delivery line on anode disc top, can protect other metal parts and the electrode tray itself that link to each other with the gas-liquid conduit effectively.
The utility model also has simple and reasonable, and is with low cost, stable work in work, long service life, advantage such as range of application is wide.
Description of drawings
Fig. 1 is the electrode member top sectional view that the utility model has the gas-liquid separation chamber that is higher than the film effective surface;
Fig. 2 is the electrode member top sectional view that the utility model another kind has the gas-liquid separation chamber that is higher than the film effective surface;
Embodiment
The utility model is described further by embodiment below in conjunction with accompanying drawing, but following example only is the utility model example wherein the interest field of not representing the utility model and being limited.This interest field is as the criterion with claims.
Embodiment 1:
By shown in Figure 1, an application example of the present utility model, be that chloric alkali electrolysis is used, by following realization: single anode disc 1 horizontal positioned, lay pad on trim, level is installed diaphragm 3, working fastening diaphragm outside the trim around diaphragm, the anode seal edge adopts the metal of slit and corrosion resistant or adopts the top coat of slit and corrosion resistant, cathode disc 5 is installed and is used flange 11 sealing whole unit.Integral unit vertically is installed on the electrolysis truss, connects gangway, anolyte compartment pipe and cathode compartment gangway pipe, assembles other unit grooves equally one by one and installs up to all unit grooves.At the truss two ends, be vertically installed with fixedly conducting end plates and mobile conducting end plates respectively.Compressing mobile conducting end plates compresses up to all unit grooves, be each unit groove topping up, by fixedly conducting end plates and mobile conducting end plates are led to direct current to the multipole type electrolyzer, electric current passes each unit cathodes dish 5, negative electrode conducting plates, negative electrode 4, film 3, anode 2, anode conducting plate, anode disc 1 from an end, be transmitted to the cathode disc of next unit groove again, unit groove conduction so one by one is up to another end plate of electrolyzer.Each unitary anode side, salt solution is entered by distribution pipe by inlet, produces chlorine at anode, and gas-liquid 10 is separated and is derived from delivery line 8 in separate chamber, groove top; Each unitary cathode side, weak lye is entered by distribution pipe by inlet, produces hydrogen and caustic soda at negative electrode, and gas-liquid is separated in separate chamber, groove top and is derived from delivery line.The gangway of each unit groove pipe respectively with salt supply mains, weak lye house steward, light salt brine and the total pipe coupling of chlorine house steward, alkali and hydrogen, all house stewards feed downstream unit and handle and utilize.
As anode and cathod elements, electrode plate top, from near film 3 to away from the film direction, the trapezoid cross section of being made up of horizontal plane 13, be inclined upwardly face 14 and horizontal plane 15 forms the gas-liquid separation chamber 10 that is higher than the film effective surface with dish rear wall 12 successively, and the gas-liquid separation chamber and the anode disc that are arranged on anode disc top are structure as a whole; Be provided with the gas-liquid flow deflector 6 of curved surface between anode disc 1 and the anode 2; between electrode plate 1 top and gas-liquid flow deflector 6, be provided with and improve liquid reticulated structure bubble breaking net 7 separated from the gas; be connected with a guard electrode 9 that is inserted into gas-liquid delivery line 8 on anode disc 1 top; ionic membrane 3 is between anode 2 and negative electrode 4, and negative electrode, anode member are sealed by sealing and supported flange 11.And other structure is as: plate-like electricity groove body; Periphery around dish is provided with outward extending sealing the margin; The porous electrode of the covering card concordant with the edge; Conductive support elements between connection electrode and the dish rear wall; With an outlet being connected of dish, an inlet, be provided with and the liquid distribution piping that enters the mouth and link to each other coiling the bottom, it is identical with traditional structure to have liquid distribution aperture on the liquid distribution piping.The advantage of this structure is all circulation and effusive fluids, all passes through reticulated structure bubble breaking net 7, so the round-robin fluid contains gas volume and can lower, and improves the round-robin impellent, improves circulatory condition, the raising internal circulating load.
Embodiment 2:
By shown in Figure 2: in Fig. 2, as anode and cathod elements, electrode plate top, from near film 3 to away from the film direction, the trapezoid cross section of being made up of horizontal plane 13, be inclined upwardly face 14 and horizontal plane 15 forms the gas-liquid separation chamber 10 that is higher than the film effective surface with dish rear wall 12 successively, and the gas-liquid separation chamber and the anode disc that are arranged on anode disc top are structure as a whole.Be provided with the gas-liquid flow deflector 6 of curved surface between anode disc 1 and the anode 2; between electrode plate 1 top and electrode plate rear wall 12, be provided with and improve liquid reticulated structure bubble breaking net 7 separated from the gas; be connected with a guard electrode 9 that is inserted into gas-liquid delivery line 8 on anode disc 1 top; ionic membrane 3 is between anode 2 and negative electrode 4, and negative electrode, anode member are sealed by sealing and supported flange 11.The advantage of this invention be effusive fluid through reticulated structure bubble breaking net 7, so round-robin fluidic resistance to flow can lower, and improves circulatory condition, improves internal circulating load.
As required, the anode disc outlet or the cathode disc outlet that are connected with the gas-liquid delivery line can be arranged on the bottom or sidewall of dish, help improving the resistance of outlet, reduce electric current and leak, and also are convenient to pipeline setting and maintenance in addition.
Claims (7)
1. electrode member with inner tip gas separation chamber, it includes:
(a) plate-like electricity groove body;
(b) periphery around dish is provided with outward extending sealing the margin;
(c) porous electrode of the covering card concordant with the edge;
(d) conductive support elements between connection electrode and the dish rear wall;
(e) outlet that is connected with dish, an inlet is provided with and the liquid distribution piping that enters the mouth and link to each other in the dish bottom, has liquid distribution aperture on the liquid distribution piping;
It is characterized in that: as anode disc or/and the upper edge edge of cathode disc, promptly near film to away from the film direction, successively the trapezoid cross section of forming by horizontal plane, be inclined upwardly face and horizontal plane with coil rear wall and form the gas-liquid separation chamber that is higher than the film effective surface; Or/and be respectively arranged with a gas-liquid delivery line between cathode disc outlet and the gas-liquid separation chamber, be connected with a guard electrode that is inserted into the gas-liquid delivery line in anode disc outlet on anode disc top.
2. electrode member according to claim 1 is characterized in that: the gas-liquid flow deflector that is provided with curved surface between electrode plate and the electrode.
3. electrode member according to claim 1 is characterized in that: be provided with between dish top and flow deflector and improve liquid reticulated structure separated from the gas.
4. electrode member according to claim 1 is characterized in that: be provided with between anode disc top and dish rear wall and improve liquid reticulated structure separated from the gas.
5. according to claim 3 or 4 described electrode members, it is characterized in that: reticulated structure is also as the reticulated structure at support electrode edge.
6. electrode member according to claim 1 is characterized in that: the gas-liquid separation chamber and the anode disc that are arranged on anode disc top are structure as a whole.
7. electrode member according to claim 1 is characterized in that: the gas-liquid separation chamber and the cathode disc that are arranged on cathode disc top are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200131164U CN201080501Y (en) | 2007-07-05 | 2007-07-05 | Electrode structure possessing build-in top gas separation chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200131164U CN201080501Y (en) | 2007-07-05 | 2007-07-05 | Electrode structure possessing build-in top gas separation chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201080501Y true CN201080501Y (en) | 2008-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200131164U Expired - Fee Related CN201080501Y (en) | 2007-07-05 | 2007-07-05 | Electrode structure possessing build-in top gas separation chamber |
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| Country | Link |
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| CN (1) | CN201080501Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016086364A1 (en) * | 2014-12-03 | 2016-06-09 | 蓝星(北京)化工机械有限公司 | Ionic membrane electrolytic bath |
-
2007
- 2007-07-05 CN CNU2007200131164U patent/CN201080501Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016086364A1 (en) * | 2014-12-03 | 2016-06-09 | 蓝星(北京)化工机械有限公司 | Ionic membrane electrolytic bath |
| US10458030B2 (en) | 2014-12-03 | 2019-10-29 | Bluestar (Beijing) Chemical Machinery Co., Ltd. | Ion exchange membrane electrolytic cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 Termination date: 20100705 |