CN2892884Y - Electrochemical oxygen generator - Google Patents
Electrochemical oxygen generator Download PDFInfo
- Publication number
- CN2892884Y CN2892884Y CN 200520145528 CN200520145528U CN2892884Y CN 2892884 Y CN2892884 Y CN 2892884Y CN 200520145528 CN200520145528 CN 200520145528 CN 200520145528 U CN200520145528 U CN 200520145528U CN 2892884 Y CN2892884 Y CN 2892884Y
- Authority
- CN
- China
- Prior art keywords
- oxygen
- tank
- generating tank
- generating
- flute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a oxygen making device, in particular to an electric chemistry oxygen making device adopting electric chemistry method to make oxygen, which comprises an oxygen making flute, a sealed bin for placing the oxygen making flute, a direct current power connected with the oxygen making flute, a cooling flute connected with an air liquid outlet tube and a solvent inlet tube of the oxygen making flute, as well as a semi-conductive cooler and a humid increasing water tank connected with the cooling flute. The utility model is characterized in that: the oxygen making flute is composed of two or more oxygen making flutes in series in which each oxygen making flute is composed of an air cathode, a metal anode, a seal ring, and a functional frame; wherein the air cathode is composed of a water-proof penetrating film, a catalyzing film and a conductive net which are cold-pressed and sintered; the utility model has the advantages of simple and compact structure, convenient assembly and maintenance, low manufacturing cost, high oxygen making efficiency, and long service life.
Description
Technical field
The utility model relates to a kind of oxygen generating plant, especially relates to a kind of electro-chemistry oxygen-producing device that adopts electrochemical method system oxygen.
Background technology
The method that prepare at present oxygen has physical method: for example cryogenic air separation method, the empty point-score of molecular sieve, film sky point-score, chemical process: for example superoxide chemical decomposition method and electrochemical method etc.Electrochemical method mainly contains two classes: the first kind is the diaphragm electrolysis water law.This device is made up of metallic cathode, metal anode, electrolytic solution, barrier film and cell body.After the energising, on negative electrode, fold hydrogen (2H
++ 2e → H
2), (4OH produces oxygen on anode
-→ o
2+ 2H
2O+4e).Hydrogen and oxygen separate by barrier film.This method bath voltage is higher, and energy consumption is bigger, and a large amount of effusions of hydrogen constitute a latent danger to safety; Second class is with airborne O
2For the air electrode of reactant as negative electrode, replace the metal cathode in the brine electrolysis.This device is made up of air cathode, metal anode, electrolytic solution and cell body.After the energising, airborne O
2To obtaining the reduction reaction of electronics with the contacted air electrode Catalytic Layer of solution interface, anode surface is then separated out O from gas phase diffusion
2Oxidizing reaction.Therefore, do not have hydrogen evolution on the negative electrode, and bath voltage is lower than brine electrolysis, has overcome the drawback of diaphram eletrolytic water system oxygen, have the system oxygen quick and convenient, oxygen purity height, the advantage that noise is little, safe and reliable, cost is low have good market application prospect.
Look the difference of air electrode catalyst material, O
2On catalyst interface, can accept 2 electronics or two kinds of different reduction reactions of 4 electronics.The catalyzer that air electrode adopted of zinc-air battery is generally to O
24 electronic reduction reactions favourable.If the air electrode of zinc-air battery is directly used in oxygenerator, O mainly takes place on the air electrode catalyst interface so
24 electronic reduction reactions, product is OH-ion (O
2+ 2H
2O+4e → OH
-), then be the oxidizing reaction of 4e on the corresponding anode, (4OH produces oxygen
-→ O
2+ 2H
2O+4e).Therefore, it and brine electrolysis are basic identical aspect oxygen generation efficiency.O
2The product that generates of 2 electronic reduction reactions be HO
2 -Ion (O
2+ H
2O+2e → HO
2 -+ OH
-).Under effect of electric field, HO
2 -The migration of ion anode, the oxidized O that discharges on anode
2(HO
2 -+ OH-→ H
2O+O
2+ 2e), under identical battery condition, higher 1 times than the oxygen generation efficiency of 4 electronics and brine electrolysis in theory.So this is a kind of than the former: with 4 electron reductions is the air electrode of principal reaction, and more advanced electrochemistry does not have the hydrogen oxygenerator.But, in this device, still have following problem to be left to be desired or solve, with the work-ing life of further raising device: heating with the solution problem of temperature rise, climb alkali and etching problem and alkali lye carbonating problem.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, oxygen generation efficiency is high, the electro-chemistry oxygen-producing device of long service life, low cost of manufacture.
The utility model is realized in the following way:
A kind of electro-chemistry oxygen-producing device, comprise oxygen-generating tank, place the gas-tight silo of oxygen-generating tank, the direct supply that links to each other with oxygen-generating tank, the cooling tank that links to each other respectively with oxygen-generating tank gas liquid outlet and solution inlet port, and semiconductor cooler that links to each other with cooling tank and humidification water tank, it is characterized in that: this oxygen-generating tank is composed in series by two or more oxygen-generating tanks, and each oxygen-generating tank is made up of air cathode, metal anode, seal washer and functional framework;
Described air cathode forms by waterproof ventilated membrane, catalytic film and conductive mesh are cold-rolled sintered;
Described catalytic film adopts and helps material such as carbonaceous powder or its fiber manufacturing that oxygen carries out 2 electron reductions, and there is the positive plate upper and lower side frame of certain width crimping at adjacent oxygen-generating tank on the both sides up and down of conductive mesh;
Described several oxygen-generating tanks are combined in the mode of building blocks in sequence, join with the ventilative frame of porous between the oxygen-generating tank, by the good tandem type oxygen-generating tank unit of seal inside of fastening formation of the high-intensity stationary jaw in two ends and screw rod, card cap;
Described functional framework is provided with gas liquid outlet and fluid injection import;
Described cooling tank bottom pipe is provided with and makes solution quicken to flow, realize solution circulated refrigerative water pump between oxygen-generating tank and cooling tank; Also settled the liquid level sensor of giving the oxygen-generating tank moisturizing with the water of humidification water tank immediately simultaneously, the electromagnetic valve switch of may command humidification water tank;
Described oxygen-generating tank places in the gas-tight silo, and the corresponding both sides of gas-tight silo are provided with respectively and open and close controlled inlet and outlet and small fan.
The utility model has following effect:
1) simple compact, assembling is easy to maintenance, low cost of manufacture: the device that the utility model provides mainly comprises oxygen-generating tank, the power supply that links to each other with oxygen-generating tank, the cooling tank that links to each other respectively with oxygen-generating tank gas liquid outlet and solution inlet port, and semiconductor cooler that is connected with cooling tank and humidification water tank.Oxygen-generating tank places in the gas-tight silo, and there are switching controlled inlet and outlet and fan in the both sides of gas-tight silo correspondence.The negative electrode of oxygen-generating tank is an air electrode, and it has 2 electron reduction characteristics of oxygen.Oxygen-generating tank on period, solution are carried out the circulation cooling, and by liquid level sensor control moisturizing process, make the elevation of water surface of oxygen-generating tank keep certain.Oxygen-generating tank is a kind of cordwood combination, relies on stationary jaw, and screw rod and card cap tighten together air electrode, metal electrode, packing ring, functional framework and porous breathable framework according to certain sequence.
2) improve to produce oxygen efficiency, good seal performance: the oxygen-generating tank in the utility model is made of air cathode, metal anode, seal washer and the functional framework that has solution and oxygen guiding flow passage.The corresponding two sides of framework is respectively air cathode and metal anode.Contact by sealing-ring between electrode and the functional framework.Air cathode by waterproof ventilated membrane, catalytic film, conductive mesh is cold-rolled sintered forms.Catalytic film adopts and helps O
2Carry out the material manufacturing of 2 electron reductions:, produce oxygen efficiency to improve as carbonaceous powder or its fiber.The both sides up and down of conductive mesh have certain width folding to draw the metal anode crimping with the adjacent electrode groove to be fastenedly connected, and are convenient to transmission current: be equivalent to lead-in wire.Requirement according to the unit time oxygen-supplying amount, several oxygen-generating tanks can be combined in the mode of building blocks, link to each other with the ventilative frame that ventilating pit is arranged between the oxygen-generating tank, fastening by screw rod and card cap them, the integral body that formation is connected in series by a plurality of oxygen-generating tanks, and can keep the excellent sealing of oxygen-generating tank inside.Should " combination slot " be placed in the gas-tight silo, the gas-tight silo respective sides has the window of two correspondences, and one of them window has been installed small-sized fans.When needs system oxygen, inlet and outlet and fan are opened automatically, form air flowing between oxygen-generating tank, and when stopping to make oxygen, inlet and outlet and fan are closed automatically.
3) prolonged work-ing life: the solution of the cooling tank inside in the utility model is by contacting with cooling tank and semiconductor cooler, make its heat release and cooling more favourable, cooling tank bottom micro pump on the connecting pipe bottom oxygen-generating tank makes the solution of oxygen-generating tank inside realize the acceleration cycle cooling, thereby slowed down the temperature rise rate of oxygen-generating tank inside, thereby prolonged work-ing life.
4) strengthen resistance to corrosion: the seal washer in the utility model makes oxygen-generating tank have better stopping property under nonvolatil mechanical force, thereby helps suppressing to climb the generation of alkali phenomenon; And positive and negative interpolar connects has broken traditional " lead-in wire " mode, adopts large-area conductor directly to contact, and the erosion resistance of device is improved greatly.
5) stable performance: CO in the solution absorption air does not take place when the setting of the gas-tight silo in the utility model is not worked oxygen-generating tank basically
2Reaction, therefore can slow down the speed of alkali lye carbonating, the property retention that makes the conductivity of solution and air electrode is stability preferably.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation of oxygen-generating tank in the utility model;
Fig. 3 is a functional framework structural representation in the utility model;
Fig. 4 is the utility model series combination type oxygen-generating tank structural representation;
Fig. 5 is the utility model hollow pneumoelectric electrode structure synoptic diagram.
Embodiment
A kind of electro-chemistry oxygen-producing device, comprise oxygen-generating tank 1, place the gas-tight silo 6 of oxygen-generating tank 1, the direct supply 2 that links to each other with oxygen-generating tank 1, with oxygen-generating tank 1, the cooling tank 3 that gas-liquid output channel 7 and solution flow in pipes 8 link to each other respectively, and semiconductor cooler 4 that links to each other with cooling tank 3 and humidification water tank 5, it is characterized in that: this oxygen-generating tank 1 is composed in series by two or more oxygen-generating tanks, each oxygen-generating tank is by air cathode 22, metal anode 23, seal washer 24 and functional framework 27 are formed, air cathode 22 is by waterproof ventilated membrane 30, catalytic film 31 and conductive mesh 25 cold-rolled sintered forming, catalytic film 31 adopts and helps material such as carbonaceous powder or its fiber manufacturing that oxygen carries out 2 electron reductions, there is the positive plate upper and lower side frame of certain width crimping at adjacent oxygen-generating tank on the both sides up and down of conductive mesh 25, can be according to the size of oxygen making amount, several oxygen-generating tanks 1 are combined in the mode of building blocks in sequence, join with porous breathable frame 26 between the oxygen-generating tank 1, by high-intensity stationary jaw 28 in two ends and screw rod 29, the good tandem type oxygen-generating tank group of seal inside of fastening formation of card cap, functional framework 27 is provided with gas liquid outlet 32 and fluid injection import 33, the pipeline of cooling tank 3 bottoms is provided with and makes solution quicken to flow between oxygen-generating tank 1 and cooling tank 3, realize solution circulated refrigerative water pump 9, also settled the liquid level sensor 10 of giving oxygen-generating tank 1 moisturizing with the water of humidification water tank 5 immediately simultaneously, the electromagnetic valve switch 12 of may command humidification water tank 5, oxygen-generating tank 1 places in the gas-tight silo 6, and gas-tight silo 6 corresponding both sides are provided with respectively and open and close controlled inlet and outlet 13 and small fan 14.
As shown in Figure 1, the electro-chemistry oxygen-producing device that the utility model provides mainly comprises combined oxygen-generating tank 1, places the gas-tight silo 6 of oxygen-generating tank 1, the direct supply (constant current source) 2 that links to each other with oxygen-generating tank 1, the cooling tank 3 that communicates with oxygen-generating tank 1, and semiconductor cooler 4 and filtration moistening tank 5.The gas liquid outlet pipeline 7 of oxygen-generating tank 1 links to each other with cooling tank 3 respectively with fluid injection pipeline 8.The oxygen-generating tank 1 inner oxygen that produces arrives cooling tank 3 back carbonated drinks through gas-liquid mouth pipeline 7 to be separated, its top has a pipeline 15 to communicate with filtration moistening tank 5, oxygen enters along its pipeline and filters moistening tank 5, and from port one 6 transport out enter filter gas cylinder 19 filter humidification once more after, by escape pipe 20 outputs for oxygen uptakes.Solution in the oxygen-generating tank enters cooling tank 3 by gas-liquid pipe outlet conduit 7 under the drive of oxygen bubble and heat, cooling tank 3 contacts with semiconductor cooler 4, and the heat that absorbs its solution makes its cooling.The solution of being lowered the temperature flows into oxygen-generating tank 1 through pipeline 8 under the promotion of water pump 9 and high geopotential energy.2 liquid level sensors 10 are installed on the bypass pipe 18 in cooling tank 3.When starting power supply system oxygen, when if the liquid level of oxygen-generating tank inside is lower than safe liquid level, transmitter 10 will provide electric signal and reach central controller 21, controller sends instruction and automatically opens magnetic valve 12 on moistening tank and the pipeline that cooling tank 3 is connected, give oxygen-generating tank 1 moisturizing, when reaching the designated water level height, 12 quilts of magnetic valve are closed automatically, and enter system oxygen program.Whole oxygen-generating tank 1 places in the gas-tight silo 6.There are 2 windows 13 and fan 14 in the both sides of gas-tight silo 6 correspondences, will be activated automatically when system oxygen and open, and are then closed automatically after system oxygen stops.
By Fig. 2 and shown in Figure 5, air cathode plate 22 is made of waterproof ventilated membrane 30 and catalytic film 31 and conductive mesh 25, and the size on conductive mesh both sides about in the of 25 is bigger than negative plate 22, and the part that goes out greatly is by the upper and lower side frame of crimping at adjacent oxygen-generating tank positive plate 23.
Fig. 3 is the functional framework 27 that constitutes oxygen-generating tank, and gas liquid outlet 32 and fluid injection inlet 33 is arranged on the functional framework 27.The plastic injection-moulded formation of functional framework 27.
According to order shown in Figure 4 oxygen-generating tank 1 with air electrode 22, packing ring 24, functional framework 27, packing ring 24, metal anode 23 formations, there is porous breathable frame 26 to join, constitute an oxygen-generating tank group with multiple-grooved, place between 2 high-intensity porous clamping plate 28, four limits of clamping plate have 18 surface insulated metal screw 29 companies of wearing at least, screw the nut at screw rod two ends, " molectron " is fastened between two clamping plate, it is good then to have formed seal inside, the combined oxygen-generating tank unit that is cascaded by a plurality of oxygen-generating tanks 1.
Claims (7)
1. electro-chemistry oxygen-producing device, comprise oxygen-generating tank (1), place the gas-tight silo (6) of oxygen-generating tank (1), the direct supply (2) that links to each other with oxygen-generating tank (1), the cooling tank (3) that links to each other respectively with oxygen-generating tank (1) gas liquid outlet and solution inlet port, and semiconductor cooler (4) that links to each other with cooling tank (3) and humidification water tank (5), it is characterized in that: this oxygen-generating tank (1) is composed in series by two or more unit grooves, and each unit groove is made up of air cathode (22), metal anode (23), seal washer (24) and functional framework (27).
2. electro-chemistry oxygen-producing device as claimed in claim 1 is characterized in that: described air cathode (22) is by waterproof ventilated membrane (30), catalytic film (31) and cold-rolled sintered the forming of conductive mesh (25).
3. electro-chemistry oxygen-producing device as claimed in claim 2, it is characterized in that: described catalytic film (31) adopts and helps material such as carbonaceous powder or its fiber manufacturing that oxygen carries out 2 electron reductions, and there is the positive plate upper and lower side frame of certain width crimping at adjacent oxygen-generating tank on the both sides up and down of conductive mesh (25).
4. electro-chemistry oxygen-producing device as claimed in claim 1 or 2, it is characterized in that: described several oxygen-generating tanks are combined in the mode of building blocks in sequence, join with the ventilative frame (26) of porous between the oxygen-generating tank, by high-intensity stationary jaws in two ends (28) and screw rod (29), block the good tandem type oxygen-generating tank unit of seal inside of fastening formation of cap.
5. electro-chemistry oxygen-producing device as claimed in claim 1 is characterized in that: described functional framework (27) is provided with gas liquid outlet (32) and fluid injection import (33).
6. electro-chemistry oxygen-producing device as claimed in claim 1 or 2 is characterized in that: described cooling tank (3) bottom pipe is provided with and makes solution quicken to flow, realize solution circulated refrigerative water pump (9) between oxygen-generating tank (1) and cooling tank (4); Also settled the liquid level sensor (10) of giving oxygen-generating tank (1) moisturizing with the water of humidification water tank (5) immediately simultaneously, the electromagnetic valve switch (12) of may command humidification water tank (5).
7. electro-chemistry oxygen-producing device as claimed in claim 1 or 2 is characterized in that: described oxygen-generating tank (1) places in the gas-tight silo (6), and the corresponding both sides of gas-tight silo (6) are provided with respectively and open and close controlled inlet and outlet (13) and small fan (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520145528 CN2892884Y (en) | 2005-12-01 | 2005-12-01 | Electrochemical oxygen generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520145528 CN2892884Y (en) | 2005-12-01 | 2005-12-01 | Electrochemical oxygen generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2892884Y true CN2892884Y (en) | 2007-04-25 |
Family
ID=38061051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520145528 Expired - Fee Related CN2892884Y (en) | 2005-12-01 | 2005-12-01 | Electrochemical oxygen generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2892884Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935960A (en) * | 2014-04-15 | 2014-07-23 | 东莞市方康电子科技有限公司 | Double-electrode electronic adsorption oxygenerator |
| CN107062453A (en) * | 2017-04-01 | 2017-08-18 | 合肥梦飞电器有限公司 | A kind of air purifier of dehumidification function |
| CN112941561A (en) * | 2021-01-27 | 2021-06-11 | 中国科学技术大学 | Control system of electrochemical oxygenerator |
-
2005
- 2005-12-01 CN CN 200520145528 patent/CN2892884Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935960A (en) * | 2014-04-15 | 2014-07-23 | 东莞市方康电子科技有限公司 | Double-electrode electronic adsorption oxygenerator |
| CN103935960B (en) * | 2014-04-15 | 2016-03-30 | 东莞市方康电子科技有限公司 | A kind of two electrodes electron adsorption oxygenerator |
| CN107062453A (en) * | 2017-04-01 | 2017-08-18 | 合肥梦飞电器有限公司 | A kind of air purifier of dehumidification function |
| CN112941561A (en) * | 2021-01-27 | 2021-06-11 | 中国科学技术大学 | Control system of electrochemical oxygenerator |
| WO2022160525A1 (en) * | 2021-01-27 | 2022-08-04 | 中国科学技术大学 | Electrochemical oxygen generator control system |
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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: 20070425 Termination date: 20100104 |