CN211921711U - Ozone electrolysis chamber structure - Google Patents
Ozone electrolysis chamber structure Download PDFInfo
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- CN211921711U CN211921711U CN202020040411.4U CN202020040411U CN211921711U CN 211921711 U CN211921711 U CN 211921711U CN 202020040411 U CN202020040411 U CN 202020040411U CN 211921711 U CN211921711 U CN 211921711U
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Abstract
The utility model relates to an ozone electrolysis room structure, including electrolysis room, positive pole and negative pole set up in the electrolysis room, are provided with the water inlet on the electrolysis room, are provided with exchange membrane between positive pole and the negative pole, and two of exchange membrane closely adhere respectively with positive pole and negative pole on the surface, and are formed with first cavity between negative pole and the positive pole, and first cavity and water inlet intercommunication are provided with the second cavity on positive pole and/or the negative pole, first cavity and second cavity intercommunication, and the second cavity overlaps the setting with exchange membrane at least in part. The water flows to the one side of positive pole/negative pole exchange membrane dorsad through the second cavity to through the second cavity with the setting of exchange membrane overlap, make the water can moisten the one side of the inseparable attached negative pole of exchange membrane, make the surface of exchange membrane high-efficient and rivers contact all the time, keep by the state that the water was soaked, increase exchange membrane receive the water area, improve the exchange efficiency of proton.
Description
Technical Field
The utility model relates to the technical field of electrochemistry, in particular to an ozone electrolysis chamber structure.
Background
Water or aqueous electrolyte is used as a raw material, and oxidized radical water with a certain concentration can be obtained by an electrolysis device (ozone generator). Ozone is considered to be an effective disinfectant because it is effective in killing pathogens and bacteria. The electrochemical method for generating ozone has low voltage and high ozone concentration, and the generated gas does not contain NO3And the like. In the prior art, an electrolytic cell has been applied to a plurality of fields of ozone water generation, medical care disinfection, household hygiene cleaning disinfection, plant and aquaculture disinfection, sewage treatment and the like.
The basic structure of the existing electrolytic cell for producing ozone or ozone water is composed of an anode and a cathode or an anode, a cathode and a membrane which is clamped between the anode and the cathode and plays a role of proton exchange, wherein the membrane which plays other roles and is clamped between the electrodes is not lacked. Wherein, the function of Proton Exchange Membrane (PEM) is as follows: providing hydrogen ion channels, i.e. H generated at the anode+Migrating through the proton exchange membrane to the cathode; and secondly, isolating products generated by the two electrodes to prevent reverse reaction. The proton exchange membrane has good proton conductivity only under the condition of containing sufficient moisture, and the conductivity of the proton exchange membrane is almost linearly related to the water content of the membrane. In some existing electrolytic cell structures provided with proton exchange membranes, water is introduced into a cathode and reacts with an anode, a cathode cavity/anode cavity formed between the anode/cathode and the side wall of an electrolytic chamber is not introduced into the water, and proton exchange is carried out through the exchange membranes between the anode and the cathode, which is problematicThe proton exchange membrane clamped between the anode and the cathode can only be wetted by water flowing through the two sides, so that the proton conduction efficiency of the proton exchange membrane is poor. How to maintain the wettability of the proton exchange membrane and enable the proton exchange membrane to maintain high-efficiency conductivity becomes a problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an ozone electrolysis chamber structure, which increases the water receiving area of an exchange membrane so as to keep a wet state and improve the exchange efficiency of protons.
An ozone electrolysis chamber structure comprises an electrolysis chamber, an anode and a cathode, wherein the anode and the cathode are arranged in the electrolysis chamber, a water inlet is formed in the electrolysis chamber, an exchange membrane is arranged between the anode and the cathode, the anode and the cathode are respectively and tightly attached to two surfaces of the exchange membrane, a first cavity is formed between the cathode and the anode, the first cavity is communicated with the water inlet, a second cavity is arranged on the anode and/or the cathode, the first cavity is communicated with the second cavity, and at least part of the second cavity is overlapped with the exchange membrane.
In one embodiment, the anode and/or the cathode has at least one through hole formed thereon to form the second chamber, the first chamber is communicated with the at least one through hole, and at least one through hole at least partially overlaps the exchange membrane.
In one embodiment, at least one groove is formed on one surface of the anode and/or the cathode, which is attached to the exchange membrane, to form the second chamber, the first chamber is communicated with the at least one groove, and at least one groove is at least partially overlapped with the exchange membrane.
In one embodiment, the anode and/or cathode is provided with an electrode gap to form the second chamber.
In one embodiment, the width of the exchange membrane is less than the width of the anode and/or cathode.
In one embodiment, the exchange membrane is provided with a membrane gap, which forms the first chamber with the anode and the cathode. In one embodiment, the exchange membrane is provided with at least one through hole, and at least one through hole is at least partially overlapped with the second cavity.
In one embodiment, the exchange membrane is a membrane group comprising at least two segmented PEM membranes arranged at intervals, and the first chambers are formed between adjacent segmented PEM membranes and between the cathode and the anode.
In one embodiment, the number of exchange membranes is at least two.
In one embodiment, a plate is disposed on a side of the anode facing away from the exchange membrane, and the plate is attached to a surface of the anode.
The utility model has the advantages that:
first cavity and second cavity through the intercommunication in the electrolysis chamber, make the water that gets into the first cavity between positive pole and the negative pole from the water inlet, can flow to the one side of positive pole/negative pole exchange membrane dorsad through the second cavity, and through the second cavity that overlaps the setting with exchange membrane, make the water can the one side of the inseparable attached negative pole of membrane of wetting, make the surface of exchange membrane high-efficient and rivers contact all the time, the state of being soaked by the water remains, increase exchange membrane's the area of receiving water, improve the exchange efficiency of proton, its efficiency will be higher than prior art's electrolytic bath structure, thereby ozone water concentration has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an ozone electrolysis chamber according to an embodiment.
FIG. 2 is a schematic structural diagram of a cathode and an exchange membrane according to an embodiment.
Fig. 3 is a schematic view of fig. 2 from another view angle.
FIG. 4 is a schematic structural diagram of a cathode and an exchange membrane according to yet another embodiment.
FIG. 5 is a schematic structural diagram of a cathode and an exchange membrane according to yet another embodiment.
FIG. 6 is a schematic structural diagram of a cathode and an exchange membrane according to yet another embodiment.
FIG. 7 is a schematic structural diagram of a cathode and an exchange membrane according to yet another embodiment.
FIG. 8 is a schematic structural diagram of a cathode and an exchange membrane according to yet another embodiment.
FIG. 9 is a schematic diagram of a cathode and an exchange membrane according to yet another embodiment.
FIG. 10 is a schematic diagram of a cathode and an exchange membrane according to yet another embodiment.
FIG. 11 is a schematic structural diagram of a cathode and an exchange membrane according to yet another embodiment.
FIG. 12 is a schematic view of a cathode and an exchange membrane according to still another embodiment.
FIG. 13 is a schematic diagram of a cathode and an exchange membrane according to yet another embodiment.
FIG. 14 is a schematic structural diagram of a cathode and an exchange membrane according to yet another embodiment.
FIG. 15 is a schematic structural diagram of a cathode and an exchange membrane according to yet another embodiment.
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 efforts belong to the protection scope of the present invention.
The invention provides an ozone electrolysis chamber structure for preparing oxidized radical water containing ozone, which has the following structure: comprises an electrolytic chamber and a positive electrodeA cathode 200 and an anode 100, the cathode 100 and the anode 200 being disposed in the electrolytic chamber, wherein the anode 200 is connected to the anode 200 by a wire, the cathode 100 is connected to the cathode 100 by a wire, and the anode 200 is connected to the cathode 100 by H2O-loss of electrons to produce ozone, oxidized radicals and H+H generated at the anode 200+Migrate to the cathode 100 through the PEM 300 and get electrons at the cathode 100 changed into H2。
The electrolysis chamber is provided with a water inlet and a water outlet.
An exchange membrane 300 is arranged between the anode 200 and the cathode 100, the anode 200 and the cathode 100 are respectively closely attached to two surfaces of the exchange membrane 300, namely, the anode 200 is closely attached to one surface of the exchange membrane 300, and the cathode 100 is closely attached to the other surface of the exchange membrane 300, wherein the exchange membrane 300 is a proton exchange membrane 300. A first chamber 900 is formed between the cathode 100 and the anode 200. It is understood that the exchange membrane 300 may be disposed in the first chamber 900 formed by the anode 200 and the cathode 100, or the exchange membrane 300, the anode 200 and the cathode 100 together form the first chamber 900, or the exchange membrane 300 is disposed in the space formed between the anode 200 and the cathode 100, and the space still has a position through which water can pass, which is the first chamber 900.
The first chamber 900 is used for water to circulate, and therefore, the first chamber 900 is communicated with a water inlet, wherein the water inlet is disposed between the anode 200 and the cathode 100, that is, the water enters from the water inlet and flows into the first chamber 900 between the anode 200 and the cathode 100 to generate an electrolytic reaction.
In order to improve the wettability of the exchange membrane 300 between the anode 200 and the cathode 100, improve the conductivity, and promote the diffusion of the reaction substance, in the invention, the anode 200 and/or the cathode 100 are provided with the second chamber 800, the first chamber 900 is communicated with the second chamber 800, and the second chamber 800 is at least partially overlapped with the exchange membrane 300, that is, the second chamber 800 is at least partially arranged opposite to the exchange membrane 300. The water flows from the first chamber 900 to the second chamber 800, and is at least partially overlapped with the exchange membrane 300 through the second chamber 800, and the water infiltrates into the exchange membrane 300 through the overlapped portion and is closely attached to one surface of the anode 200 and/or the cathode 100, so that the contact area of the exchange membrane 300 and water is increased, the proton conduction rate is increased, and the output efficiency is improved.
It is to be understood, among others, that the exchange membrane of the present invention is a proton exchange membrane, i.e. an exchange membrane.
In the invention, for example, the anode is a conductive diamond electrode, for example, the anode comprises a conductive diamond electrode and an aluminum sheet base, wherein the aluminum sheet base is provided with a conductive contact pin, for example, the cathode is a stainless steel electrode. The anode and the cathode may be made of other materials, and the above-mentioned materials are only partially applicable.
Referring to fig. 1-15, embodiment 01 is provided:
the ozone electrolysis chamber structure comprises an electrolysis chamber, an anode 200 and a cathode 100, wherein the anode 200 and the cathode 100 are arranged in the electrolysis chamber, an exchange membrane 300 is arranged between the anode 200 and the cathode 100, the anode 200 is closely attached to one surface of the exchange membrane 300, the cathode 100 is closely attached to the other surface of the exchange membrane 300, the anode 200 is connected with the anode 200 through a lead, the cathode 100 is connected with the cathode 100 through a lead, a first chamber 900 is formed between the cathode 100 and the anode 200, a water inlet (not shown) and a water outlet (not shown) are arranged on the electrolysis chamber, the water inlet is arranged between the anode 200 and the cathode 100 and is communicated with the first chamber 900, a second chamber 800 is arranged on the anode 200 and/or the cathode 100, the first chamber 900 is communicated with the second chamber 800, and at least part of the second chamber 800 is overlapped with the exchange membrane 300.
The working principle of the invention is as follows:
the water body flowing direction is shown as arrows in fig. 1-15, the water body flows to the second chamber 800 formed on the anode 200/cathode 100 through the first chamber 900, and the water body can wet one surface of the exchange membrane 300 tightly attached to the anode 200/cathode 100 through the overlapping arrangement of the second chamber 800 and the exchange membrane 300, so that the surface of the exchange membrane 300 is always in high-efficiency contact with water flow, the state of being soaked by the water body is kept, the water receiving area of the exchange membrane 300 is increased, the exchange efficiency of protons is improved, the efficiency is higher than that of an electrolytic cell structure in the prior art, and the concentration of ozone water is improved.
The structure of the first chamber 900 formed between the anode 200 and the cathode 100 will be further described below, and embodiments of the present invention will be provided.
For example, as shown in fig. 2-6, embodiment 02 is provided:
the omitted structure is as described in example 01, specifically, the width of the exchange membrane 300 is smaller than the width of the anode 200 and/or the cathode 100, such that the exchange membrane 300 is disposed between the cathodes 100 and 200 and the first chamber 900 is formed between the cathodes 100 and 200, that is, the anode 200 and the cathode 100 are formed with the first chamber 900 on one side or both sides of the exchange membrane 300, wherein the direction of the arrow in fig. 2-6 is the flow direction of the water, and the water flow enters the first chamber 900 formed on one side or both sides of the exchange membrane 300 from the water inlet and flows into the second chamber 800 communicated with the first chamber 900.
It should be understood that the width of the membrane 300 is the length between any two opposite sides of the membrane 300, and does not refer to the length of the two specific sides of the membrane 300, so long as the length of at least one of the two opposite sides of the membrane 300 is less than the width of the corresponding anode 200 and/or cathode 100, the membrane 300 can be formed into the first chamber 900 (i.e. the membrane 300 is disposed in the space formed between the anode 200 and the cathode 100, and the space still has a position through which water flows, which is the first chamber 900).
For example, as shown in fig. 8 and 9, embodiment 03 is provided:
the omitted structure is as described in example 01, specifically, the exchange membrane 300 is provided with a membrane gap 901, and the membrane gap 901, the anode 200 and the cathode 100 form a first chamber 900, that is, the anode 200 and the cathode 100 form the first chamber 900 at the membrane gap 901 of the exchange membrane 300, wherein the membrane gap 901 communicates with a water inlet, wherein the direction of arrows in fig. 8 and 9 is the flow direction of the water body, and water flows from the water inlet into the first chamber 900 formed by the membrane gap 901 of the exchange membrane 300 and flows into the second chamber 800 communicating with the membrane gap 901.
It should be understood that if there is more than one membrane gap 901 on the exchange membrane 300, at least one membrane gap 901 communicates with the second chamber 800.
It is to be noted that the embodiments 02 and 03 are not conflicting and may be combined into practical use, that is, in one embodiment, the width of the exchange membrane 300 is smaller than the width of the anode 200 and/or the cathode 100, and the exchange membrane 300 is provided with the membrane gap 901, which is not described redundantly in this embodiment.
In another embodiment of the present invention, for example, the membrane 300 is provided with at least one through hole 301, so that the membrane 300 has a larger water receiving area. For example, the through hole 301 forms part of the first chamber 900, for example, the present embodiment is further optimized based on embodiment 02 or embodiment 03, specifically:
for example, as shown in fig. 5, 6, and 7, embodiment 04 is provided:
the omitted structure is as described in embodiment 02, specifically, the exchange membrane 300 is provided with at least one through hole 301, the anode 200 and the cathode 100 form a first chamber 900 on one side or both sides of the exchange membrane 300, the anode 200 and the cathode 100 form the first chamber 900 at the through hole 301 provided in the exchange membrane 300, at least one through hole 301 and at least one second chamber 800 are at least partially overlapped, the through hole 301 and the second chamber 800 are communicated by overlapping, water flows into the first chamber 900 formed on one side or both sides of the exchange membrane 300 from the water inlet and flows into the second chamber 800 communicated with the first chamber 900, water circulation is achieved through the through hole 301 communicated with the second chamber 800, and the water receiving area is increased again.
For example, as shown in fig. 9, 10, 11, 12, example 05 was provided:
the omitted structure is as described in embodiment 03, specifically, the exchange membrane 300 is provided with at least one through hole 301, the anode 200 and the cathode 100 form a first chamber 900 on the membrane gap 901 of the exchange membrane 300, the anode 200 and the cathode 100 form the first chamber 900 at the through hole 301 provided in the exchange membrane 300, at least one through hole 301 and at least one second chamber 800 are at least partially overlapped, the through hole 301 and the second chamber 800 are communicated by overlapping, water flows into the first chamber 900 formed by the membrane gap 901 of the exchange membrane 300 from the water inlet and flows into the second chamber 800 communicated with the membrane gap 901, water circulation is achieved by the through hole 301 communicated with the second chamber 800, and the water receiving area is increased again.
The structure of the anode 200 and/or the cathode 100 forming the second chamber 800 will be further described below, and embodiments of the present invention will be provided.
For example, as shown in fig. 2, embodiment 100 is provided:
the omitted structure is as described in embodiment 01, specifically, at least one through hole 801 is opened on the anode 200 and/or the cathode 100 to form the second chamber 800, the first chamber 900 is communicated with at least one through hole 801, that is, at least one through hole 801 is present to be communicated with the first chamber 900, so that the water in the first chamber 900 flows to the surface of the cathode/anode 200 opposite to the exchange membrane 300 through the through holes 801, and at least one through hole 801 is at least partially overlapped with the exchange membrane 300, the water flowing through the through-holes 801 to the surface of the anode 200/cathode 100 facing away from the exchange membrane 300 passes through the through-holes 801 overlapping the exchange membrane 300, so that the water body can wet one surface of the exchange membrane 300 tightly attached to the anode 200/cathode 100, thereby increasing the contact area of the exchange membrane 300 and water, improving the proton conduction rate and improving the output efficiency.
Based on embodiment 1, in order to achieve communication with the first chamber 900 through the through hole 801 (the second chamber 800) and enable the water body to infiltrate the exchange membrane 300 through the through hole 801 and tightly adhere to one surface of the anode 200/cathode 100, the present invention provides specific embodiments, specifically:
for example, as shown in fig. 3, embodiment 101 is provided:
the omitted structure is as described in embodiment 01, specifically, the anode 200 and the cathode 100 are formed with the first chamber 900, and at least one through hole 801 is opened on the anode 200 and/or the cathode 100, and the at least one through hole 801 and the exchange membrane 300 are arranged in a staggered manner, that is, at least one through hole 801 and the exchange membrane 300 are partially overlapped, and partially overlapped with the first chamber 900, so that the water body can enter the through hole 801 from the first chamber 900 and infiltrate the exchange membrane 300 and closely adhere to one surface of the anode 200/the cathode 100.
For example, as shown in fig. 4, embodiment 102 is provided:
the omitted structure is as described in embodiment 01, specifically, the anode 200 and the cathode 100 are formed with the first chamber 900, and at least two through holes 801 are opened on the anode 200 and/or the cathode 100, at least one through hole 801 is partially or completely overlapped with the exchange membrane 300, and at least one through hole 801 is overlapped with the first chamber 900 (that is, the through hole 801 is completely staggered with the exchange membrane 300), so that the water body reaches the surface of the anode 200/the cathode 100, which faces away from the exchange membrane 300, from the through hole 801 communicated with the first chamber 900, and the surface of the anode 200/the cathode 100, which is attached to the exchange membrane 300, is soaked in the through hole 801 overlapped with the exchange membrane 300.
To achieve the formation of the second chamber 800 on the anode 200 and/or the cathode 100, the following embodiments are also provided:
for example, as shown in fig. 6, embodiment 200 is provided:
the omitted structure is as described in embodiment 01, specifically, at least one groove 802 is formed on one side of the anode 200 and/or the cathode 100, which is attached to the exchange membrane 300, to form the second chamber 800, the first chamber 900 is communicated with the at least one groove 802, that is, there is at least one groove 802 communicated with the first chamber 900, so that the water in the first chamber 900 can flow into the groove 802, and there is at least one groove 802 at least partially overlapped with the exchange membrane 300, and the water entering the groove 802 can infiltrate into one side of the exchange membrane 300, which is closely attached to the anode 200/cathode 100, through the exchange membrane 300 overlapped with the groove 802, thereby increasing the contact area between the exchange membrane 300 and water, increasing the proton conduction rate, and increasing the output efficiency.
It should be understood that, in order to enable the water body to infiltrate into the surface of the exchange membrane 300 closely attached with the anode 200/cathode 100 through the groove 802, and the groove 802 does not penetrate through the anode 200/cathode 100, therefore, the groove 802 needs to be arranged in a staggered manner with respect to the partially overlapped portion of the exchange membrane 300, so that the portion of the groove 802 staggered with respect to the exchange membrane 300 is communicated with the first chamber 900.
For example, as shown in fig. 7, embodiment 300 is provided:
the omitted structure is as described in embodiment 01, specifically, the anode 200 and/or the cathode 100 are provided with electrode notches 803 to form the second chamber 800, the first chamber 900 is communicated with the electrode notches 803, wherein the number of the electrode notches 803 may be one, the number of the electrode notches 803 may be multiple, the first chamber 900 is communicated with at least one electrode notch 803, so that the water in the first chamber 900 can flow to the electrode notches 803, and the electrode notches 803 are at least partially overlapped with the exchange membrane 300, that is, at least one electrode notch 803 is overlapped with the exchange membrane 300, so that the water reaches the side of the anode 200/cathode 100, which faces away from the exchange membrane 300, from the electrode notch 803 communicated with the first chamber 900, and the side of the exchange membrane 300, to which the anode 200/cathode 100 is attached tightly, is soaked by the electrode notch 803 overlapped with the exchange membrane 300.
It should be noted that the embodiment 100, the embodiment 200 and the embodiment 300 are not conflicting and can be used in combination, that is, in one embodiment, the anode 200 and/or the cathode 100 can be provided with a through hole 801, and the exchange membrane 300 is provided with a membrane notch 901, which is not described redundantly in this embodiment.
It should be noted that the embodiments 02 to 05 forming the first chamber 900 and the embodiments 100 to 300 forming the second chamber 800 can be combined without contradicting each other, and the description in this embodiment is not repeated.
The cross-sectional shape of the through-hole 801 provided in the anode 200 and/or the cathode 100 is one of a rectangular shape, a square shape, a circular shape, an elliptical shape, a polygonal shape, and the like, and may be a combination of a plurality of shapes. The cross-sectional shape of the through-hole 301 formed in the exchange membrane 300 may be one of a rectangle, a square, a circle, an ellipse, a polygon, or a combination of a plurality of shapes.
The through holes 801 formed in the anode 200 and/or the cathode 100 may be arranged in parallel at intervals, or may be arranged in other manners, for example, the through holes 801 are arranged in the circumferential direction as shown in fig. 15, and the through holes 801 are, for example, randomly distributed. In this example, the description is not repeated.
In the following, a more specific embodiment is provided by using the cathode 100 as a processing electrode for implementing the working principle of the present invention, in combination with the structure of the first chamber 900 and the second chamber 800:
example (1.1)
As shown in fig. 2 and 3, the omitted structure is as in example 01, and specifically, the width of the exchange membrane 300 is smaller than that of the cathode 100, so that the exchange membrane 300 is disposed between the cathode 100 and the anode 200, and first chambers 900 are formed between the cathode 100 and the anode 200 on both sides of the exchange membrane 300.
The cathode 100 is provided with a plurality of through holes 801 to form a second chamber 800, at least one through hole 801 is staggered with the exchange membrane 300, and a part of the through hole 801 staggered with the exchange membrane 300 at least partially corresponds to two sides of the exchange membrane 300, so that the through hole 801 is communicated with the first chamber 900 and is overlapped with the exchange membrane 300.
Wherein, the arrow direction in fig. 2 and fig. 3 is the flowing direction of the water body, the water body flows to the surface of the cathode 100 opposite to the exchange membrane 300 through the through holes 801 communicated with the first chamber 900, and through the through holes 801 arranged in a staggered manner with the exchange membrane 300, so that the water body wets the surface of the exchange membrane 300 closely attached to the cathode 100, thereby increasing the contact area of the exchange membrane 300 and water, increasing the proton conduction rate, and improving the output efficiency.
Example (1.2)
As shown in fig. 4, the omitted structure is as described in example 01, specifically, the width of the exchange membrane 300 is smaller than that of the cathode 100, so that the exchange membrane 300 is disposed between the cathode 100 and the anode 200, and first chambers 900 are formed between the cathode 100 and the anode 200 on two sides of the exchange membrane 300.
The cathode 100 is provided with a plurality of through holes 801 to form a second chamber 800, the plurality of through holes 801 are communicated with the first chamber 900, at least one through hole 801 is completely overlapped with the exchange membrane 300, at least one through hole 801 is completely staggered with the exchange membrane 300 (i.e. completely overlapped with the first chamber 900), and the through hole 301 completely staggered with the exchange membrane 300 is communicated with the first chamber 900.
Wherein, the arrow direction in fig. 4 is the flow direction of the water, and the water flows to the surface of the cathode 100 opposite to the exchange membrane 300 through the through hole 801 communicated with the first chamber 900, and through the through hole 801 overlapped with the exchange membrane 300, so that the water wets the surface of the exchange membrane 300 closely attached to the cathode 100, thereby increasing the contact area of the exchange membrane 300 and water, improving the proton conduction rate, and improving the output efficiency.
Example (1.3)
As shown in fig. 5, specifically, through holes 301 are further formed in the exchange membrane 300, and at least one through hole 301 and at least one through hole 801 are at least partially overlapped, wherein the direction of an arrow in fig. 5 is the flow direction of the water body, so that the contact area between the exchange membrane 300 and the water is increased, the wettability is improved, the proton conduction rate is improved, and the production efficiency is improved.
Example (2)
As shown in fig. 6, the omitted structure is as described in example 01, and specifically, the width of the exchange membrane 300 is smaller than that of the cathode 100, so that the exchange membrane 300 is disposed between the cathode 100 and the anode 200, and first chambers 900 are formed between the cathode 100 and the anode 200 on two sides of the exchange membrane 300.
The cathode 100 has a plurality of grooves 802 formed on a surface thereof to which the membrane 300 is attached to form a second chamber 800, at least one of the grooves 802 is partially overlapped with the membrane 300 and partially staggered with respect to the membrane 300, and the portion of the membrane 300 staggered with respect to the groove 802 is communicated with the first chamber 900.
Wherein, the arrow direction in fig. 6 is the flow direction of the water, and the water enters through the groove 802 that communicates with the first chamber 900, and through the setting that this groove 802 and exchange membrane 300 part overlap, makes the water that gets into in the groove 802 can soak the exchange membrane 300 and closely attach the one side with negative pole 100, thereby increases the area of exchange membrane 300 and water contact, improves proton conduction's rate, improves output efficiency.
Example (2.1)
As shown in fig. 6, the omitted structure is as in example (2), specifically, the exchange membrane 300 is further provided with through holes 301, and at least one through hole 301 and at least one groove 802 are at least partially overlapped, where the arrow direction in fig. 6 is the flow direction of the water body, so as to increase the contact area between the exchange membrane 300 and the water, improve the wettability, improve the proton conduction rate, and improve the yield efficiency.
Example (3)
As shown in fig. 7, the omitted structure is as described in example 01, and specifically, the width of the exchange membrane 300 is smaller than that of the cathode 100, so that the exchange membrane 300 is disposed between the cathode 100 and the anode 200, and first chambers 900 are formed between the cathode 100 and the anode 200 on two sides of the exchange membrane 300.
The cathode 100 is opened with a plurality of electrode notches 803 to form a second chamber 800, wherein the first chamber 900 is at least connected to one electrode notch 803, that is, at least one electrode notch 803 is staggered with respect to a portion of the exchange membrane 300 that is partially overlapped.
The direction of the arrow in fig. 7 is the flowing direction of the water, the water reaches the surface of the cathode 100 opposite to the exchange membrane 300 from the electrode notch 803 communicated with the first chamber 900, and the surface of the cathode 100 closely attached to the exchange membrane 300 is soaked by the electrode notch 803 overlapped with the exchange membrane 300, so that the contact area of the exchange membrane 300 and water is increased, the proton conduction rate is increased, and the output efficiency is improved.
Example (3.1)
The omitted structure is as described in example (3), as shown in fig. 7, specifically, the exchange membrane 300 is further provided with through holes 301, at least one through hole 301 is at least partially overlapped with the electrolysis gap, wherein the arrow direction in fig. 7 is the flow direction of the water body, so that the contact area between the exchange membrane 300 and the water is increased, the wettability is improved, the proton conduction rate is improved, and the yield efficiency is improved.
Example (4.1)
The omitted structure is as described in example 01, and as shown in fig. 8 and 9, specifically, the exchange membrane 300 is provided with a plurality of membrane gaps 901, and the anode 200 and the cathode 100 are formed with the first chamber 900 at the membrane gaps 901 of the exchange membrane 300.
The cathode 100 is formed with a plurality of through holes 801 to form a second chamber 800, and at least one through hole 801 is disposed in a staggered manner with respect to the exchange membrane 300, such that the through hole 801 is partially overlapped with the membrane gap 901 and the through hole 801 is partially overlapped with the exchange membrane 300.
Wherein, the arrow direction in fig. 8 and fig. 9 is the flow direction of the water, and the water enters the first chamber 900 formed by the membrane gap 901 through the water inlet, flows to the one side of the cathode 100 opposite to the exchange membrane 300 through the through hole 801 communicated with the first chamber 900, and through the through hole 801 staggered with the exchange membrane 300, makes the water wet the exchange membrane 300 closely attached to the one side of the cathode 100, thereby increasing the area of the exchange membrane 300 in contact with water, improving the speed of proton conduction, and improving the output efficiency.
Example (4.2)
The omitted structure is as described in example 01, and as shown in fig. 10, specifically, the exchange membrane 300 is provided with a plurality of membrane gaps 901, and the anode 200 and the cathode 100 form a first chamber 900 at the membrane gaps 901 of the exchange membrane 300.
The cathode 100 is provided with a plurality of through holes 801 to form a second chamber 800, at least one through hole 801 completely overlaps with the exchange membrane 300, and at least one through hole 801 completely overlaps with the membrane gap 901 (i.e. completely deviates from the exchange membrane 300).
Wherein, the arrow direction in fig. 10 is the flow direction of the water, and the water enters the first chamber 900 formed by the membrane gap 901 through the water inlet, flows to the surface of the cathode 100 opposite to the exchange membrane 300 through the through hole 801 overlapped with the membrane gap 901, and passes through the through hole 801 overlapped with the exchange membrane 300, so that the water wets the surface of the exchange membrane 300 closely attached to the cathode 100, thereby increasing the contact area of the exchange membrane 300 and water, improving the speed of proton conduction, and improving the output efficiency.
Example (4.3)
As shown in fig. 9 and 10, specifically, the exchange membrane 300 is further provided with through holes 301, and at least one through hole 301 and at least one through hole 801 are at least partially overlapped, wherein the direction of the arrow in fig. 9 and 10 is the flowing direction of the water body, so as to increase the contact area of the exchange membrane 300 and the water, improve the degree of wetting, improve the rate of proton conduction, and improve the yield efficiency.
Example (5)
The omitted structure is as described in example 01, and as shown in fig. 11, specifically, the exchange membrane 300 is provided with a plurality of membrane gaps 901, and the anode 200 and the cathode 100 form a first chamber 900 at the membrane gaps 901 of the exchange membrane 300.
The surface of the cathode 100 attached with the exchange membrane 300 is provided with a plurality of grooves 802 to form a second chamber 800, at least one groove 802 is partially overlapped with the exchange membrane 300 and the part of the groove 802 that is overlapped with the exchange membrane 300 is overlapped with the membrane gap 901, so that the membrane gap 901 is communicated with the groove 802.
Wherein, the arrow direction of fig. 11 and is the flow direction of the water, and the water gets into through the recess 802 with first chamber 900 intercommunication, and through the setting that this recess 802 and exchange membrane 300 part overlap for the water that gets into in the recess 802 can soak the one side that exchange membrane 300 closely attached has negative pole 100, thereby increases the area of exchange membrane 300 and water contact, improves proton conduction's rate, improves output efficiency.
Example (5.1)
The omitted structure is as described in embodiment (5), as shown in fig. 11, specifically, the exchange membrane 300 is further provided with through holes 301, at least one through hole 301 and at least one groove 802 are at least partially overlapped, where the arrow direction in fig. 11 is the flow direction of the water body, so as to increase the contact area between the exchange membrane 300 and the water, improve the wettability, improve the proton conduction rate, and improve the yield efficiency.
It should be understood that, in this view, the embodiment (4)/the embodiment (4.1) and the embodiment (5)/the embodiment (5.1) only show the sectional shape of the groove 802 or the through hole 301, and if the sectional shapes and the sizes of the groove 802 and the through hole 301 are the same, they are the same in this view, so fig. 11 can also be taken as the schematic structural diagram of the embodiment (4)/the embodiment (4.1) and can also be taken as the schematic structural diagram of the embodiment (5)/the embodiment (5.1), and thus the description is given here.
Example (6)
The omitted structure is as described in example 01, and as shown in fig. 12, specifically, the exchange membrane 300 is provided with a plurality of membrane gaps 901, and the anode 200 and the cathode 100 form a first chamber 900 at the membrane gaps 901 of the exchange membrane 300.
The cathode 100 is formed with a plurality of electrode notches 803 to form the second chamber 800, wherein at least one electrode notch 803 is staggered with one membrane notch 901, that is, the electrode notch 803 is partially overlapped with the membrane notch 901, and the electrode notch 803 is at least partially overlapped with the membrane notch 901.
Wherein, the arrow direction in fig. 12 is the flow direction of the water, and the water enters the first chamber 900 formed by the membrane gap 901 through the water inlet, flows to the surface of the cathode 100 opposite to the exchange membrane 300 through the electrode gap 803 overlapped with the membrane gap 901, and passes through the electrode gap 803 overlapped with the exchange membrane 300, so that the water wets the surface of the exchange membrane 300 closely attached with the cathode 100, thereby increasing the contact area of the exchange membrane 300 and water, improving the speed of proton conduction, and improving the output efficiency.
Example (6.1)
As shown in fig. 12, the omitted structure is as described in example (6), specifically, the exchange membrane 300 is further provided with through holes 301, and at least one through hole 301 and at least one electrode gap 803 are at least partially overlapped, where the arrow direction in fig. 12 is the flow direction of the water body, so as to increase the contact area between the exchange membrane 300 and the water, improve the wettability, improve the proton conduction rate, and improve the yield efficiency.
The above-mentioned embodiments can be combined without conflicting contradictions, and for example, embodiment (1.1)/embodiment (1.2)/embodiment (1.3) can be combined with embodiment (4.1)/embodiment (4.2)/embodiment (4.3).
For example, referring to fig. 13, embodiment (7) is provided:
the omitted structure is as described in embodiment 01, specifically, the width of the exchange membrane 300 is smaller than that of the cathode 100, so that the exchange membrane 300 is disposed between the cathode 100 and the anode 200, the exchange membrane 300 is provided with a plurality of membrane gaps 901, and the anode 200 and the cathode 100 are formed with the first chamber 900 at both sides of the exchange membrane 300 and at the membrane gaps 901.
The cathode 100 has a plurality of grooves 802 formed on a surface thereof to which the membrane 300 is attached to form a second chamber 800, at least one of the grooves 802 is partially overlapped with the membrane 300 and partially staggered with respect to the membrane 300, and the portion of the membrane 300 staggered with respect to the groove 802 is communicated with the first chamber 900.
Wherein, the arrow direction in fig. 13 is the flow direction of water, and the water gets into from the water inlet, is shunted to the both sides of exchanging film 300, through membrane breach 901 entering and first chamber 900 intercommunication recess 802, through the setting of this recess 802 and exchanging film 300 part overlapping for the water that gets into in the recess 802 can soak the one side that exchanging film 300 closely attached has negative pole 100, thereby increase the area of exchanging film 300 and water contact, improve proton conduction's speed, improve output efficiency.
The above-mentioned embodiments of the present invention can also be implemented in other combinations, and the description in this embodiment is not repeated.
It should be understood that the specific structure of the above-described embodiments of the invention functions as: the water body can be left from the first chamber 900 to the second chamber 800, and the water body can be infiltrated and attached to one surface of the anode 200/the cathode 100 through the second chamber 800, so that the water receiving area is increased.
In a preferred embodiment, based on the improvement of embodiment 01, please refer to fig. 14, which provides embodiment 06:
the ozone electrolysis chamber structure comprises an electrolysis chamber, an anode 200 and a cathode 100, wherein the anode 200 and the cathode 100 are arranged in the electrolysis chamber, an exchange membrane 300 is arranged between the anode 200 and the cathode 100, a water inlet and a water outlet are arranged on the electrolysis chamber, wherein the exchange membrane 300 is a membrane group comprising at least two segmented PEM membranes 310 arranged at intervals, each segmented PEM membrane 310 is arranged at intervals along a plane, the anode 200 and the cathode 100 are respectively and closely attached to both surfaces of each segmented PEM membrane 310, and a first chamber 900 is formed between the adjacent segmented PEM membranes 310 with the cathode 100 and the anode 200, a water inlet is provided between the anode 200 and the cathode 100, and the water inlet is communicated with the first chamber 900, wherein, the anode 200 and/or the cathode 100 are provided with a second chamber 800, the first chamber 900 formed by each segmented PEM membrane 310 is communicated with the second chamber 800, and the second chamber 800 is at least partially overlapped with the exchange membrane 300.
The beneficial effect of this embodiment does: the exchange membrane 300 is arranged in a membrane group structure with the segmented PEM membranes 310 arranged at intervals, wherein the formed first chamber 900 is communicated with a water inlet, and a flow channel structure (i.e. the first chamber 900 is in a flow channel shape) is formed between the cathode 100 and the anode 200 due to the at least two adjacent segmented PEM membranes 310. Its water flow direction is as shown by the arrow in fig. 13, rivers let in from the water inlet, flow to the one side of the inseparable negative pole 100 of negative pole 100 through the second cavity 800 with first cavity 900 intercommunication, and through the second cavity 800 that overlaps the setting with exchange membrane 300, make the water can wet each piece formula PEM membrane 310 one side of closely attached negative pole 100 of piece, make the surface of exchange membrane 300 high-efficient and rivers contact all the time, the state of being soaked by the water keeps, increase exchange membrane 300 receives the water area, the exchange efficiency of improvement proton, its efficiency will be higher than the electrolytic bath structure of prior art, thereby ozone water concentration has been improved. Moreover, the water flow is divided into a plurality of water flows by the flow channel structure formed between the segmented PEM membranes 310, the water flow in the flow channel can rapidly and completely wash the anode 200/cathode 100 and the exchange membrane 300, and when the electrolytic chamber works for a long time, a few trace ions form deposits (Ca) on the exchange membrane 300 and the cathode 100+) The membrane resistance of the cathode 100 is increased, and the working efficiency of the electrode is reduced. The water passing structure can increase vortex, and the flow velocity of water flow is greater than the adhesive force of scale under the washing of water flow, so that the dirt is not easy to accumulate, the scale is prevented from accumulating on the surfaces of the cathode 100 and the exchange membrane 300 to influence the electrolysis efficiency, and the service life of the electrolysis chamber is prolonged.
It should be noted that the structure of the second chamber 800 described in the embodiment 06 can be the same as the structure of the second chamber 800 described in the above embodiments, that is, the embodiments can be combined with the above embodiments without contradiction.
For example, referring to fig. 15, embodiment 07 is provided:
the ozone electrolysis chamber structure comprises an electrolysis chamber, an anode 200 and a cathode 100, wherein the anode 200 and the cathode 100 are arranged in the electrolysis chamber, an exchange membrane is arranged between the anode 200 and the cathode 100, a water inlet and a water outlet are arranged on the electrolysis chamber, the exchange membrane is a membrane group comprising at least two segmented PEM membranes 310 arranged at intervals, each segmented PEM membrane 310 is arranged at intervals along a plane, the anode 200 and the cathode 100 are respectively and tightly attached to two surfaces of each segmented PEM membrane 310, a first chamber 900 is formed between the adjacent segmented PEM membranes 310, the cathode 100 and the anode 200, the water inlet is arranged between the anode 200 and the cathode 100 and is communicated with the first chamber 900, and a plurality of through holes 801 are formed in the cathode 100 to form a second chamber 800. For example, at least one through hole 801 is provided to intersect with one of the segmented PEM membranes 310, and the through hole 801 communicates with the first chamber 900 by intersecting with a portion of the segmented PEM membrane 310. Alternatively, for example, at least one through-hole 801 is provided to be offset from all of the segmented PEM membranes 310, and at least one through-hole 801 is provided to partially overlap or completely overlap with at least one of the segmented PEM membranes 310. The water enters from the water inlet, by reposition of redundant personnel into multichannel rivers, the rivers of runner can wash away positive pole 200/negative pole 100 and exchange membrane fast comprehensively, and through the perforating hole 801 with first cavity 900 intercommunication flow to the one side of negative pole 100 exchange membrane dorsad, and through the perforating hole 801 that overlaps the setting with the exchange membrane, make the water can wet each one side of the inseparable attached negative pole 100 of segmental PEM membrane 310, make the surface of exchange membrane high-efficient and rivers contact all the time, keep by the state that the water soaks, increase the area of receiving of exchange membrane, the exchange efficiency of proton is improved.
Other embodiments of the combination are not described in a redundant manner.
Wherein, in the description of the invention, the exchange membrane group is equivalent to the exchange membrane.
For example, the exchange membrane includes two segmented PEM membranes arranged at intervals, for example, the exchange membrane includes three segmented PEM membranes arranged at intervals, for example, the exchange membrane includes five segmented PEM membranes arranged at intervals, and in the embodiment, the description is not repeated.
In the invention, the width of the segmented PEM membrane is not limited, but the width limitation can be easily inferred according to the specific implementation mode and the projection relation, and the specific width is set according to the actual production requirement.
In one embodiment, the number of the exchange membranes is at least two, that is, the exchange membranes may be a composite membrane, and each exchange membrane is attached to a surface of the composite membrane, for example, the number of the exchange membranes is at least two, and for example, the number of the exchange membranes is at least three. In this example, the description is not repeated.
Each exchange membrane is a membrane group including at least two segmented PEM membranes which are arranged at intervals and provided by the invention, that is, one segmented PEM membrane of one exchange membrane group corresponds to one segmented PEM membrane of the other exchange membrane group.
Based on the improvement to embodiment 01, please refer to fig. 1 again, embodiment 07 is provided:
the omitted structure is as described in example 01, wherein the plate 500 is disposed on a side of the anode 200 facing away from the exchange membrane 300, and the plate 500 is attached to the surface of the anode 200.
The plate can enable the contact surface of the diamond sheet to be smoother, and the diamond sheet is not easy to break due to high water pressure.
In a specific embodiment, the plate 500 is an aluminum plate, the aluminum plate has a high thermal conductivity, the anode 200 continuously generates heat energy when in a working state, and the aluminum plate is attached to the anode 200, so that the flatness of the surface contact surface of the aluminum plate can be improved, and the heat dissipation efficiency is improved, so that the heat dissipation effect is better.
In the structure of the ozone electrolysis chamber created by the present invention, if the cathode 100 is a stainless steel electrode and the anode 200 is a conductive diamond electrode, the cathode 100 is more suitable as a processing electrode for implementing the above embodiment than the anode 200, because the anode 200 as a working electrode may be brittle due to the opening and may be more easily broken by water pressure, and therefore, the cathode 100 is more suitable as an opening electrode. Further, since the anode 200 serves as a working electrode, if the anode 200 is perforated, an area where oxides are effectively generated is reduced, that is, the operation efficiency of the electrolytic cell is lowered. Further, in example 08, an example in which a plate is provided on the anode 200 is described, and in this example, the positions where holes can be opened on the anode 200 sheet are limited. Therefore, the cathode 100 is preferably used as an open-cell electrode, which can be processed to have a large area, i.e., to increase the water-receiving area of the exchange membrane 300, and to increase the water content of the exchange membrane 300. In summary, the cathode 100 is preferably used as a processing electrode for implementing the above-described embodiments.
Based on a modification of example 01, with reference to fig. 1, example 08 is provided:
the omitted structure is as in example 01, wherein the side of the cathode 100 facing away from the exchange membrane 300 is provided with an elastic member, specifically, one end of the elastic member is connected to the side wall of the electrolytic chamber, and the other end is abutted against the cathode 100, and the elastic member is used for pressing the segmented PEM membrane 310 to be fixed and not moved by the rapid washing of water flow.
Here, it should be understood that, in order to avoid the movement of the exchange membrane 300/segmented PEM membrane 310 under the water flow brushing, the exchange membrane 300/segmented PEM membrane 310 is fixed on the anode 200 and/or the cathode 100, for example, the exchange membrane 300/segmented PEM membrane 310 is fixed on the anode 200 and/or the cathode 100 through a clamping groove, for example, the exchange membrane 300/segmented PEM membrane 310 is fixed on the anode 200 and/or the cathode 100 through a positioning hole, which is not described redundantly in this embodiment.
The above embodiments can be combined with each other without contradiction, thereby forming a new combination. No more redundant description will be made.
It will be appreciated that in order to enable the body of water to be discharged from the water outlet, for example, the water outlet should be in communication with the first chamber such that the body of water can be discharged through the water outlet.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An ozone electrolysis chamber structure is characterized by comprising an electrolysis chamber, an anode and a cathode, wherein the anode and the cathode are arranged in the electrolysis chamber, a water inlet is formed in the electrolysis chamber, an exchange membrane is arranged between the anode and the cathode, the anode and the cathode are respectively and tightly attached to two surfaces of the exchange membrane, a first cavity is formed between the cathode and the anode and is communicated with the water inlet, a second cavity is arranged on the anode and/or the cathode and is communicated with the first cavity, and at least part of the second cavity is overlapped with the exchange membrane.
2. The ozone electrolysis chamber structure according to claim 1, wherein at least one through hole is opened on the anode and/or the cathode to form the second chamber, the first chamber is communicated with at least one through hole, and at least one through hole is at least partially overlapped with the exchange membrane.
3. The ozone electrolysis chamber structure according to claim 1, wherein at least one groove is formed on one surface of the anode and/or the cathode, which is attached with the exchange membrane, to form the second chamber, the first chamber is communicated with the at least one groove, and at least one groove is formed, at least part of which is overlapped with the exchange membrane.
4. The ozone electrolysis chamber structure according to claim 1, wherein the anode and/or cathode is provided with an electrode gap to form the second chamber.
5. The ozone electrolysis cell structure according to claim 1, wherein the width of the exchange membrane is smaller than the width of the anode and/or cathode.
6. The ozone electrolysis chamber structure according to claim 1, wherein the exchange membrane is provided with a membrane gap, the membrane gap forming the first chamber with the anode and the cathode.
7. The ozone electrolysis chamber structure according to claim 1, 5 or 6, wherein the exchange membrane is provided with at least one through hole, and at least one through hole is at least partially overlapped with the second chamber.
8. The ozone electrolysis chamber structure according to claim 1, wherein the exchange membrane is a membrane group comprising at least two segmented PEM membranes arranged at intervals, and the first chambers are formed between adjacent segmented PEM membranes and between the cathode and the anode.
9. The ozone electrolysis chamber structure according to claim 1 or 8, wherein the number of the exchange membranes is at least two.
10. The ozone electrolysis chamber structure according to claim 1, wherein a plate is disposed on a side of the anode facing away from the exchange membrane, and the plate is attached to a surface of the anode.
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| CN202020040411.4U CN211921711U (en) | 2020-01-09 | 2020-01-09 | Ozone electrolysis chamber structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101144A (en) * | 2020-01-09 | 2020-05-05 | 广州市德百顺电气科技有限公司 | Ozone electrolysis chamber structure |
| CN112813452A (en) * | 2021-01-11 | 2021-05-18 | 广州市德百顺电气科技有限公司 | Electrolytic cell structure |
-
2020
- 2020-01-09 CN CN202020040411.4U patent/CN211921711U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101144A (en) * | 2020-01-09 | 2020-05-05 | 广州市德百顺电气科技有限公司 | Ozone electrolysis chamber structure |
| CN112813452A (en) * | 2021-01-11 | 2021-05-18 | 广州市德百顺电气科技有限公司 | Electrolytic cell structure |
| CN112813452B (en) * | 2021-01-11 | 2022-01-25 | 广州德百顺蓝钻科技有限公司 | Electrolytic cell structure |
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Address after: 510000 8th floor, building B4, No. 11, Kaiyuan Avenue, Science City, Guangzhou high tech Industrial Development Zone, Guangzhou City, Guangdong Province Patentee after: Guangzhou debaishun Blue Diamond Technology Co.,Ltd. Address before: 510000 8th floor, building B4, No. 11, Kaiyuan Avenue, Science City, Guangzhou high tech Industrial Development Zone, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU DEPOSON ELECTRIC TECHNOLOGY Co.,Ltd. |