US20090260980A1

US20090260980A1 - Card Insertion Type Membrane Electrolysis Device

Info

Publication number: US20090260980A1
Application number: US12/105,329
Authority: US
Inventors: Chuan-Lien Tseng
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-18
Filing date: 2008-04-18
Publication date: 2009-10-22

Abstract

A kind of a card insertion type membrane electrolysis device comprising an enclosed and hollow main body, an anode plate in the main body, at least one membrane plate installed in main body, and at least one cathode plate in the main body; the main body includes a tank with opening at the top and a removable top cover for covering the tank; inner wall of the tank has multiple insertion slots, wherein the anode plate is a removable card inserting into one of the insertion slot and between the cathode plate and the membrane plate at least one cathode chamber is formed; through the insertion card design for the anode plate and the membrane plate, the plates can be pulled out for inspection of wear off condition and maintenance, and the unnecessary replacement and wastage can be avoided.

Description

FIELD OF THE INVENTION

The present invention is regarding a kind of oxide generation device, particularly a kind of card insertion type membrane electrolysis device wherein its anode plate and membrane is of insertion type and can be pulled out any time for inspection.

BACKGROUND OF THE INVENTION

The ordinary membrane electrolysis device in general has an anode plate, a cathode plate and at least one membrane. The membrane only allows water and ions to pass through in order to separate the anode and cathode plates of the electrolysis device, forming semi-separation anode chamber and cathode chamber. The membrane electrolysis device is used in the high voltage, low PH value electrolytic salt water for the generation of strong oxide such as chlorine dioxide (ClO₂), chlorine gas (Cl₂), and ozone (O₃), etc. Using such oxide compound in processing material, the function of sterilization, deodorization, and disinfections can be achieved. Also, many kinds of free radicals with very strong oxidation ability can be generated for the use of oxidizing organic substance and eliminating organic substance harmful to human body.
The ordinary membrane electrolysis device has anode plate and membrane fixed in the electrolysis device, therefore servicing people could not easily obtain the wear-off condition of anode plate and membrane, resulting in difficulty in the inspection and maintenance of anode plate and membrane. And when the electrode plates and membrane are damaged, the removal and replacement also poses problems. The traditional machine usually takes more than two hours to replace electrodes and membrane, which costs time and manpower. Also, traditional machine is huge in size and fixed in generating gases, leading to expensive manufacturing price and operational cost.

SUMMARY OF THE INVENTION

In view of ordinary membrane electrolysis device is having fixed design for its anode plate and membrane, which is not easy for inspection and replacement, the purpose of the present invention is to propose a kind of insertion type membrane electrolysis device with insertion card design for its anode plate and membrane.
Hence it is easy to inspect and replace the anode plate and membrane, saving large amount of manpower and time.
To achieve above stated purpose, the card insertion type membrane electrolysis device of the present invention comprises:
an enclosed and hollow center main body, the main body includes a tank with opening at the top and a removable top cover for covering the opening of the tank; the inner wall of the tank is installed with multiple insertion slots;
an anode plate installed in the main body, which is a movable card inserting in one of the insertion slots; the surface of the anode plate forms a metal medium layer;
at least one membrane plate installed in the main body, wherein the membrane plate is a movable card inserting in one of the insertion slots on one side of the anode plate; a membrane is installed on the membrane plate; the membrane plate partitions an anode chamber; and
at least one cathode plate installed in the main body, wherein the cathode plate is a movable card inserting in one of the insertion slots on the outer side of the membrane plate; the surface of the anode plate forms a metal medium layer; the cathode plate and the membrane plate partitions at least one cathode chamber.
What is preferred is that the present invention is installed with two membrane plates and two cathode plates; the membrane plates are respectively placed on the two sides of the anode plate and the cathode plate are respectively place on the outer side of the two membrane plates.
What is preferred is that on the outside of one of the cathode plate a partition is installed with a partition and respectively forms a cooling chamber between the partition and the cathode plate and between the inner wall of the tank and another cathode plate.
What is preferred is that the anode chamber is installed with a gas outlet, a salt water inlet, and an overflow outlet; the gas outlet is located in the top cover on the top of anode chamber; the salt water inlet is located in the tank below the anode plate; the overflow outlet is located in the tank on the top of anode chamber.
What is preferred is that the anode chamber is installed with a gas outlet, a dilution inlet, and a dilution overflow outlet; the gas outlet is located in the top cover on the top of the cathode chamber; the dilution inlet is located in the tank at the bottom of the cathode chamber; the dilution overflow outlet is located in the tank on the top of the cathode chamber.
What is preferred is that the cooling chamber is installed with a cooling water inlet and a cooling water overflow outlet; the cooling water inlet is located in the tank at the bottom of the cooling chamber; the cooling water overflow outlet is located in the tank on top of the cooling chamber.
What is preferred is that the partition and one side of the inner wall of the tank forms a salt water chamber; the salt water chamber is installed with a salt water outlet and an overflow inlet; the salt water outlet is located in the tank at the bottom of the salt water chamber; the salt water outlet and the salt water inlet of the anode chamber is installed with linking pipe; the overflow inlet is located in the tank on the top of the salt water chamber; the overflow inlet and the overflow inlet of the anode chamber is installed with linking pipe.
What is preferred is that the inner wall of the tank is installed with insertion slot corresponding to cathode plate; the cathode plate is removable card inserted in the insertion slot.
What is preferred is that the anode plate includes a titanium net and a conductive bar installed in the titanium net; the titanium net forms a metal medium layer; the conductive bar is formed by wrapping a copper bar with a titanium pipe.
What is preferred is that the metal medium layer is metal catalyst layer of iridium or ruthenium.
What is preferred is that the membrane of the membrane plate is a compound dialysis membrane made of graphite added with high conductivity metal, styrene micro-porous cathode ion membrane, or methacrylic acid anode ion membrane.
The performance the present invention intend to achieve includes:
1. The present invention is to adopt insertion card design for the anode plate and membrane plate portion, therefore can be pulled out for inspection of wear off condition and maintenance in order to avoid unnecessary replacement and waste and reduce the possibility of damaging equipment and reducing loss of repairing cost. Replacing anode plate and membrane plate only requires several minutes and could save large amount of manpower and time.
2. As the present invention adopts card insertion design, the amount of production of oxide can be determined through the installation of insertion of membrane plates. Therefore, it is possible to install membrane plates depending on the actual needs, achieving the effect of saving energy and reducing cost.
3. The present invention is installed with a cooling chamber in order to control system at constant temperature and also using salt water chamber and electrolysis device main body as overall design, therefore it is possible to reduce the size of the equipment and make the equipment lighter. Also, the ratio between water and salt water is utilized to generate auto circulation and improve anode plate into intermediate power supplying titanium pipe wrapped with copper bar in order to achieve the full discharging effect of the titanium plate. The present invention therefore could increase the gas generation rate and stability. In addition, the cathode portion also is designed with anti-rinsing membrane dilution inlet that could reduce the automatic anti-rinsing through monitoring reduction of over current rate.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is the partial illustration of the preferred embodiment of the present invention.

FIG. 2 is another partial illustration of the preferred embodiment of the present invention.

FIG. 3 is the side view of the preferred embodiment of the present invention.

FIG. 4 is the top view of the preferred embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

FIG. 1 and FIG. 2 shows the preferred embodiment of the present invention including a main body (10), an anode plate (20) installed in the main body (10), two membrane plates (30) installed in the main body (10), two cathode plates (40) installed in the main body (10) and a partition (50) installed in the main body (10) wherein;
The main body (10) is an enclosed and hollow central rectangular cabinet including a tank (11) having an opening at the top and a removable top cover (12) for covering the opening of the tank (11), multiple insertion slots (111) installed on the inner wall of the tank (11), each insertion slot (111) contains two insertion bases facing each other installed on both sides of the tank (11). In the preferred embodiment of the present invention, the inner wall of the tank (11) is installed with three insertion slots (111). The insertion slots are formed by two parallel long insertion cards;
Please further refer to FIG. 3 and FIG. 4, wherein the anode plate (20) is a removable card inserted in one of the insertion slots (111). In the present preferred embodiment, the anode plate (20) is a removable card inserted in the center of the insertion slot (111). The anode plate (20) is covered with metallic catalyst such as iridium or ruthenium to form a metallic catalyst layer. The anode plate (20) passes through direct positive current to electrolyte saturated salt water and generate compound oxides including chlorine dioxide (ClO₂), chlorine gas (Cl₂), and ozone (O₃), etc. in the present preferred embodiment the anode plate (20) contains a titanium net (21) and a conductive bar (22) installed on titanium net (21), the surface of the titanium net (21) is formed with metallic catalyst layer, and the conductive bar (22) is consist of a copper bar (221) wrapped with a titanium pipe (222) on the outside, by supplying current through the copper bar (221) the full discharging effect of anode plate (20) can be achieved and further improve the gas generation rate;
The membrane plates (30) are removable cards inserted in the insertion slots (111) on both sides of the anode plates (20), with a membrane (31) is installed on each membrane plate (30), wherein it can be a compound dialysis membrane made of graphite added with high conductivity metal, styrene micro-porous cathode ion membrane, or methacrylic acid anode ion membrane, through the two membrane plates (30) surrounding the two sides of the anode plate (20) isolating a closed anode chamber (13), the anode chamber (13) is installed with a gas outlet (121) allowing the compound oxide to flow out, a salt water inlet (119) allowing the salt water to flow in, and an overflow outlet (112) allowing the salt water after completion of electrolysis to flow out, wherein the different ratio between water and salt water is used to generate auto circulation for the system to avoid additional power while preventing the waste and contamination due to overflow because of incomplete electrolysis while after completion of electrolysis it returns to water and overflows directly for repetitive usage in order to increase gas generation rate and reduce wastage. In the present preferred embodiment, the gas outlet (121) is located in the top cover (12) on top of the anode chamber (13), the salt water inlet (119) is located in the tank (11) at the bottom of anode plate (20), and the overflow outlet (112) is located in the tank (11) on top of the anode chamber (30);
The cathode plates (40) are installed on the outside of the two membrane plates (30), and not located on the same side of the anode plates (20), and isolate an enclosed cathode chamber (14) in the area between the membrane plate (30) and cathode plate (40), the cathode plate (40) is a corrosion tolerant metal plate, passing direct negative current through the cathode plate (40) in order to generate alkaline solution and gas in the cathode chamber (14), the cathode chamber (14) is installed with a gas outlet (122) allowing hydrogen gas to flow out, a dilution inlet (113) allowing fresh water to flow in, and a dilution overflow outlet (114) for the dilution alkaline solution to flow out, as the over current rate in the cathode chamber (14) is reduced, fresh water can be automatically entered to counter rinsing membrane (31) through instant monitoring. In the present preferred embodiment, the cathode plate (40) is a titanium plate, the gas outlet (122) is located in the top cover (12) on top of the cathode chamber (14), the dilution inlet (113) is located in the tank (11) on the bottom of cathode chamber (14), the dilution overflow inlet (114) is located in the tank (11) on the top of cathode chamber (14), the inner wall of the tank (11) also could install insertion slot (111) corresponding to cathode plate (40), for the cathode plate (40) also could be movable in the insertion slot (111);
The partition (50) is installed on the outside of a cathode plate (40), or not on the same side as the membrane plate (30), and forming a cooling chamber (15) respectively between partition (50) and cathode plate (40) and between the inner wall of tank (11) and another cathode plate (40), the cooling chamber (15) is installed with a cooling water inlet (115) for the cooling water to flow in and a cooling water overflow outlet (116) for the cooling water to flow out, the cooling water inlet (115) is located in the tank (11) at the bottom of the cooling chamber (15), the cooling water overflow outlet (116) is located in the tank (11) on the top of the cooling chamber (15), through the circulation of cooling water the system could achieve the effect of constant temperature and further to increase system stability;
The partition (50) isolates a salt water chamber (16) with the inner wall of the tank (11) on the other side, the salt water chamber (16) is filled with salt water for electrolyzing anode plate (20), the salt water chamber (16) is installed with a salt water outlet (117) allowing salt water to flow out and overflow inlet (118) allowing overflow of anode chamber (13) to flow in, the salt water outlet (117) is located in the tank (11) at the bottom of salt water chamber (16), the salt water outlet (117) and the salt water inlet (119) of anode chamber (13) is installed with linking pipe, the overflow inlet (118) is located in the tank (11) on the top of salt water chamber (16), the overflow inlet (118) and the overflow outlet (112) of the anode chamber (13) is installed with linking pipe.
The preferred embodiment of the present invention is to adopt insertion card design for the anode plate (20) and the membrane plate (30) portions. Therefore, it is possible to pull out for inspection at any time for the wear off condition and maintenance. Even when there is no apparatus installed, the inspection of condition for the anode plate (20) and membrane plate (30) can still be fully understood, avoiding unnecessary replacement and wastage. Through such design, it is possible for the servicing people to inspect the equipment easily, reducing the possibility of damaging the equipment and reducing maintenance cost. Replacement of anode plate (20) and membrane plate (30) only requires several minutes, saving large amount of manpower and time.
In addition, the existing machines mostly are installed with a set of fixed anode plate (20) and two membrane plates (30). The preferred embodiment of present invention adopts card insertion design. therefore it is possible to determine the production volume of oxide through the pulling installation for the membrane plate (30). Hence the membrane plate (30) can be pulled out or installed depending on the actual needs, achieving the effectiveness of saving energy and reducing cost.

Claims

1. A kind of a card insertion type membrane electrolysis device of comprising:

An enclosed and hollow center main body, the main body includes a tank with an opening at the top and a removable top cover for covering the tank, the inner wall of the tank is installed with multiple insertion slots;

An anode plate installed in the main body, wherein the removable insertion card is inserted in one of the insertion slots, the anode plate surface forms a metallic catalyst layer;

At least one membrane plate installed in the main body, wherein the membrane plates are individually inserted in one of the insertion slots on one side of the anode plate, a membrane is installed on the membrane plate, and the membrane plate isolates an anode chamber; and

At least one cathode plate installed in the main body, wherein the cathode plate are individually inserted on the outside of the membrane plate, which is an anti-corrosion metallic plate, between the cathode plate and the membrane plate at least an cathode chamber is isolated;

2. The card insertion type membrane electrolysis device made of as stated in claim 1, wherein two membrane plates and two cathode plates are installed, the membrane plates are individually located on both sides of the anode plate, the cathode plates are individually installed on the outer sides of the two membrane plates;

3. The card insertion type membrane electrolysis device made of as stated in claim 2, wherein the outer side of one of the cathode plate is installed with a partition, and a cooling chamber is formed respectively between the partition and cathode plate and between the inner wall of the tank and another cathode plate;

4. The card insertion type membrane electrolysis device made of as stated in claim 3, wherein the anode chamber is installed with a gas outlet, a salt water inlet, and an overflow outlet, the gas outlet is located in the top cover on the top of the anode chamber, the salt water inlet is located in the tank at the bottom of the anode plate, the overflow outlet is located in the tank on the top of the anode chamber;

5. The card insertion type membrane electrolysis device made of as stated in claim 4, wherein the cathode chamber is installed with a gas outlet, a diluting inlet, and a diluting overflow outlet, the gas outlet is located in the top cover on the top of the cathode chamber, the dilution inlet is located in the tank at the bottom of the cathode chamber, the dilution overflow outlet is located in the tank on the top of cathode chamber;

6. The card insertion type membrane electrolysis device made of as stated in claim 5, wherein the cooling chamber is installed with a cooling water inlet and a cooling water overflow outlet, the cooling water inlet is located in the tank at the bottom of the cooling chamber, the cooling water overflow outlet is located in the tank on top of the cooling chamber;

7. The card insertion type membrane electrolysis device made of as stated in claim 6, wherein the partition and the inner wall on one side of the tank isolates a salt water chamber, the salt water chamber is installed with a salt water outlet and an overflow inlet, the sale water outlet is located in the tank at the bottom of the salt water chamber, the salt water outlet and the salt water inlet of the anode chamber is installed with linking pipe, the overflow inlet is located in the tank on the top of the salt water chamber, the overflow inlet and the overflow outlet of the anode chamber is installed with a linking pipe;

8. The card insertion type membrane electrolysis device made of as stated in claim 1, wherein the inner wall of the main body is installed with the insertion slot corresponding to the cathode plate, the cathode plate is the removable card inserted in the insertion slot;

9. The card insertion type membrane electrolysis device made of as stated in claim 1, wherein the anode plate contains a titanium net and a conductive bar installed in the titanium net, the surface of the titanium net forms a metallic catalyst layer, the conductive bar is formed by a copper bar wrapped by a titanium pipe on the outside;

10. The card insertion type membrane electrolysis device made of as stated in claim 9, wherein the metallic catalyst layer is the iridium or ruthenium metallic catalyst layer;

11. The card insertion type membrane electrolysis device made of as stated in claim 1, wherein the membrane of the membrane plate is a compound dialysis membrane made of graphite added with high conductivity metal, styrene micro-porous cathode ion membrane, or methacrylic acid anode ion membrane.